Commit | Line | Data |
---|---|---|
e9e23e23 | 1 | /* Implementation of GUI terminal on the Microsoft W32 API. |
c2cc16fa | 2 | Copyright (C) 1989, 93, 94, 95, 96, 1997, 1998, 1999, 2000, 2001 |
9ef2e2cf | 3 | Free Software Foundation, Inc. |
ee78dc32 GV |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
9ef2e2cf JR |
18 | along with GNU Emacs; see the file COPYING. If not, write to |
19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
1fb87c77 | 20 | Boston, MA 02111-1307, USA. */ |
ee78dc32 | 21 | |
ee78dc32 | 22 | #include <config.h> |
68c45bf0 | 23 | #include <signal.h> |
ee78dc32 | 24 | #include <stdio.h> |
791f420f | 25 | #include <stdlib.h> |
ee78dc32 | 26 | #include "lisp.h" |
2091aeb2 | 27 | #include "charset.h" |
ee78dc32 GV |
28 | #include "blockinput.h" |
29 | ||
e12ca9c2 | 30 | #include "w32heap.h" |
689004fa | 31 | #include "w32term.h" |
791f420f | 32 | #include "w32bdf.h" |
12857dfd | 33 | #include <shellapi.h> |
ee78dc32 GV |
34 | |
35 | #include "systty.h" | |
36 | #include "systime.h" | |
f7737f5d | 37 | #include "atimer.h" |
8feddab4 | 38 | #include "keymap.h" |
ee78dc32 GV |
39 | |
40 | #include <ctype.h> | |
41 | #include <errno.h> | |
42 | #include <setjmp.h> | |
43 | #include <sys/stat.h> | |
44 | ||
38006079 | 45 | #include "keyboard.h" |
ee78dc32 GV |
46 | #include "frame.h" |
47 | #include "dispextern.h" | |
93ff4395 | 48 | #include "fontset.h" |
ee78dc32 GV |
49 | #include "termhooks.h" |
50 | #include "termopts.h" | |
51 | #include "termchar.h" | |
52 | #include "gnu.h" | |
53 | #include "disptab.h" | |
54 | #include "buffer.h" | |
55 | #include "window.h" | |
ee78dc32 | 56 | #include "intervals.h" |
791f420f | 57 | #include "composite.h" |
ef0e360f | 58 | #include "coding.h" |
ee78dc32 | 59 | |
791f420f JR |
60 | #define abs(x) ((x) < 0 ? -(x) : (x)) |
61 | ||
62 | #define BETWEEN(X, LOWER, UPPER) ((X) >= (LOWER) && (X) < (UPPER)) | |
63 | ||
64 | \f | |
33c34bea | 65 | /* Fringe bitmaps. */ |
791f420f | 66 | |
33c34bea | 67 | enum fringe_bitmap_type |
791f420f | 68 | { |
33c34bea | 69 | NO_FRINGE_BITMAP, |
791f420f JR |
70 | LEFT_TRUNCATION_BITMAP, |
71 | RIGHT_TRUNCATION_BITMAP, | |
72 | OVERLAY_ARROW_BITMAP, | |
73 | CONTINUED_LINE_BITMAP, | |
74 | CONTINUATION_LINE_BITMAP, | |
75 | ZV_LINE_BITMAP | |
76 | }; | |
77 | ||
78 | /* Bitmaps are all unsigned short, as Windows requires bitmap data to | |
79 | be Word aligned. For some reason they are horizontally reflected | |
80 | compared to how they appear on X, so changes in xterm.c should be | |
81 | reflected here. */ | |
82 | ||
83 | /* Bitmap drawn to indicate lines not displaying text if | |
84 | `indicate-empty-lines' is non-nil. */ | |
85 | ||
86 | #define zv_width 8 | |
d33c49e8 KS |
87 | #define zv_height 72 |
88 | #define zv_period 3 | |
89 | static unsigned char zv_bits[] = { | |
90 | 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, | |
91 | 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, | |
92 | 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, | |
93 | 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, | |
94 | 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, | |
95 | 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, | |
96 | 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, | |
97 | 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x3c, 0x00}; | |
f7737f5d | 98 | static HBITMAP zv_bmp; |
791f420f JR |
99 | |
100 | /* An arrow like this: `<-'. */ | |
101 | ||
102 | #define left_width 8 | |
103 | #define left_height 8 | |
104 | static unsigned short left_bits[] = { | |
105 | 0x18, 0x30, 0x60, 0xfc, 0xfc, 0x60, 0x30, 0x18}; | |
f7737f5d | 106 | static HBITMAP left_bmp; |
791f420f JR |
107 | |
108 | /* Right truncation arrow bitmap `->'. */ | |
109 | ||
110 | #define right_width 8 | |
111 | #define right_height 8 | |
112 | static unsigned short right_bits[] = { | |
113 | 0x18, 0x0c, 0x06, 0x3f, 0x3f, 0x06, 0x0c, 0x18}; | |
f7737f5d | 114 | static HBITMAP right_bmp; |
791f420f JR |
115 | |
116 | /* Marker for continued lines. */ | |
117 | ||
118 | #define continued_width 8 | |
119 | #define continued_height 8 | |
120 | static unsigned short continued_bits[] = { | |
121 | 0x3c, 0x3e, 0x03, 0x27, 0x3f, 0x3e, 0x3c, 0x3e}; | |
f7737f5d | 122 | static HBITMAP continued_bmp; |
791f420f JR |
123 | |
124 | /* Marker for continuation lines. */ | |
125 | ||
126 | #define continuation_width 8 | |
127 | #define continuation_height 8 | |
128 | static unsigned short continuation_bits[] = { | |
129 | 0x3c, 0x7c, 0xc0, 0xe4, 0xfc, 0x7c, 0x3c, 0x7c}; | |
f7737f5d | 130 | static HBITMAP continuation_bmp; |
791f420f JR |
131 | |
132 | /* Overlay arrow bitmap. */ | |
133 | ||
134 | #if 0 | |
135 | /* A bomb. */ | |
136 | #define ov_width 8 | |
137 | #define ov_height 8 | |
138 | static unsigned short ov_bits[] = { | |
139 | 0x0c, 0x10, 0x3c, 0x7e, 0x5e, 0x5e, 0x46, 0x3c}; | |
140 | #else | |
141 | /* A triangular arrow. */ | |
142 | #define ov_width 8 | |
143 | #define ov_height 8 | |
144 | static unsigned short ov_bits[] = { | |
145 | 0xc0, 0xf0, 0xf8, 0xfc, 0xfc, 0xf8, 0xf0, 0xc0}; | |
791f420f | 146 | #endif |
f7737f5d | 147 | static HBITMAP ov_bmp; |
791f420f JR |
148 | |
149 | extern Lisp_Object Qhelp_echo; | |
150 | ||
151 | \f | |
5bf04520 | 152 | /* Non-nil means Emacs uses toolkit scroll bars. */ |
791f420f | 153 | |
5bf04520 | 154 | Lisp_Object Vx_toolkit_scroll_bars; |
791f420f JR |
155 | |
156 | /* If a string, w32_read_socket generates an event to display that string. | |
157 | (The display is done in read_char.) */ | |
158 | ||
159 | static Lisp_Object help_echo; | |
158cba56 | 160 | static Lisp_Object help_echo_window; |
ec48c3a7 JR |
161 | static Lisp_Object help_echo_object; |
162 | static int help_echo_pos; | |
791f420f JR |
163 | |
164 | /* Temporary variable for w32_read_socket. */ | |
165 | ||
166 | static Lisp_Object previous_help_echo; | |
167 | ||
168 | /* Non-zero means that a HELP_EVENT has been generated since Emacs | |
169 | start. */ | |
170 | ||
171 | static int any_help_event_p; | |
172 | ||
173 | /* Non-zero means draw block and hollow cursor as wide as the glyph | |
174 | under it. For example, if a block cursor is over a tab, it will be | |
175 | drawn as wide as that tab on the display. */ | |
176 | ||
177 | int x_stretch_cursor_p; | |
178 | ||
9f5a911b JR |
179 | /* Non-zero means make use of UNDERLINE_POSITION font properties. */ |
180 | ||
181 | int x_use_underline_position_properties; | |
182 | ||
e7efd97e GV |
183 | extern unsigned int msh_mousewheel; |
184 | ||
ee78dc32 GV |
185 | extern void free_frame_menubar (); |
186 | ||
9ef2e2cf JR |
187 | extern int w32_codepage_for_font (char *fontname); |
188 | ||
82f9d565 AI |
189 | extern glyph_metric *w32_BDF_TextMetric(bdffont *fontp, |
190 | unsigned char *text, int dim); | |
52cf03a1 GV |
191 | extern Lisp_Object Vwindow_system; |
192 | ||
ee78dc32 GV |
193 | #define x_any_window_to_frame x_window_to_frame |
194 | #define x_top_window_to_frame x_window_to_frame | |
195 | ||
196 | \f | |
fbd6baed GV |
197 | /* This is display since w32 does not support multiple ones. */ |
198 | struct w32_display_info one_w32_display_info; | |
8c3b00cb | 199 | struct w32_display_info *x_display_list; |
ee78dc32 GV |
200 | |
201 | /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE), | |
fbd6baed | 202 | one for each element of w32_display_list and in the same order. |
ee78dc32 GV |
203 | NAME is the name of the frame. |
204 | FONT-LIST-CACHE records previous values returned by x-list-fonts. */ | |
fbd6baed | 205 | Lisp_Object w32_display_name_list; |
ee78dc32 GV |
206 | |
207 | /* Frame being updated by update_frame. This is declared in term.c. | |
208 | This is set by update_begin and looked at by all the | |
fbd6baed | 209 | w32 functions. It is zero while not inside an update. |
791f420f | 210 | In that case, the w32 functions assume that `SELECTED_FRAME ()' |
ee78dc32 GV |
211 | is the frame to apply to. */ |
212 | extern struct frame *updating_frame; | |
213 | ||
214 | /* This is a frame waiting to be autoraised, within w32_read_socket. */ | |
215 | struct frame *pending_autoraise_frame; | |
216 | ||
ee78dc32 | 217 | /* Nominal cursor position -- where to draw output. |
791f420f JR |
218 | HPOS and VPOS are window relative glyph matrix coordinates. |
219 | X and Y are window relative pixel coordinates. */ | |
ee78dc32 | 220 | |
791f420f | 221 | struct cursor_pos output_cursor; |
ee78dc32 | 222 | |
abb15ebd JR |
223 | /* The handle of the frame that currently owns the system caret. */ |
224 | HWND w32_system_caret_hwnd; | |
abb15ebd JR |
225 | int w32_system_caret_height; |
226 | int w32_system_caret_x; | |
227 | int w32_system_caret_y; | |
99558ce8 | 228 | int w32_use_visible_system_caret; |
abb15ebd | 229 | |
484fa2c1 | 230 | /* Flag to enable Unicode output in case users wish to use programs |
cabb23bc GV |
231 | like Twinbridge on '95 rather than installed system level support |
232 | for Far East languages. */ | |
484fa2c1 | 233 | int w32_enable_unicode_output; |
cabb23bc | 234 | |
e9e23e23 GV |
235 | DWORD dwWindowsThreadId = 0; |
236 | HANDLE hWindowsThread = NULL; | |
ee78dc32 GV |
237 | DWORD dwMainThreadId = 0; |
238 | HANDLE hMainThread = NULL; | |
239 | ||
689004fa GV |
240 | #ifndef SIF_ALL |
241 | /* These definitions are new with Windows 95. */ | |
242 | #define SIF_RANGE 0x0001 | |
243 | #define SIF_PAGE 0x0002 | |
244 | #define SIF_POS 0x0004 | |
245 | #define SIF_DISABLENOSCROLL 0x0008 | |
246 | #define SIF_TRACKPOS 0x0010 | |
247 | #define SIF_ALL (SIF_RANGE | SIF_PAGE | SIF_POS | SIF_TRACKPOS) | |
248 | ||
249 | typedef struct tagSCROLLINFO | |
250 | { | |
251 | UINT cbSize; | |
252 | UINT fMask; | |
253 | int nMin; | |
254 | int nMax; | |
255 | UINT nPage; | |
256 | int nPos; | |
257 | int nTrackPos; | |
258 | } SCROLLINFO, FAR *LPSCROLLINFO; | |
259 | typedef SCROLLINFO CONST FAR *LPCSCROLLINFO; | |
260 | #endif /* SIF_ALL */ | |
261 | ||
262 | /* Dynamic linking to new proportional scroll bar functions. */ | |
263 | int (PASCAL *pfnSetScrollInfo) (HWND hwnd, int fnBar, LPSCROLLINFO lpsi, BOOL fRedraw); | |
264 | BOOL (PASCAL *pfnGetScrollInfo) (HWND hwnd, int fnBar, LPSCROLLINFO lpsi); | |
265 | ||
266 | int vertical_scroll_bar_min_handle; | |
267 | int vertical_scroll_bar_top_border; | |
268 | int vertical_scroll_bar_bottom_border; | |
269 | ||
270 | int last_scroll_bar_drag_pos; | |
271 | ||
ee78dc32 GV |
272 | /* Mouse movement. */ |
273 | ||
274 | /* Where the mouse was last time we reported a mouse event. */ | |
9ef2e2cf | 275 | |
791f420f | 276 | FRAME_PTR last_mouse_frame; |
ee78dc32 | 277 | static RECT last_mouse_glyph; |
791f420f | 278 | static Lisp_Object last_mouse_press_frame; |
ee78dc32 | 279 | |
fbd6baed | 280 | Lisp_Object Vw32_num_mouse_buttons; |
52cf03a1 | 281 | |
fbd6baed | 282 | Lisp_Object Vw32_swap_mouse_buttons; |
52cf03a1 | 283 | |
689004fa GV |
284 | /* Control whether x_raise_frame also sets input focus. */ |
285 | Lisp_Object Vw32_grab_focus_on_raise; | |
286 | ||
287 | /* Control whether Caps Lock affects non-ascii characters. */ | |
288 | Lisp_Object Vw32_capslock_is_shiftlock; | |
289 | ||
ef0e360f GV |
290 | /* Control whether right-alt and left-ctrl should be recognized as AltGr. */ |
291 | Lisp_Object Vw32_recognize_altgr; | |
292 | ||
ee78dc32 GV |
293 | /* The scroll bar in which the last motion event occurred. |
294 | ||
295 | If the last motion event occurred in a scroll bar, we set this | |
fbd6baed | 296 | so w32_mouse_position can know whether to report a scroll bar motion or |
ee78dc32 GV |
297 | an ordinary motion. |
298 | ||
299 | If the last motion event didn't occur in a scroll bar, we set this | |
fbd6baed | 300 | to Qnil, to tell w32_mouse_position to return an ordinary motion event. */ |
9ef2e2cf JR |
301 | static Lisp_Object last_mouse_scroll_bar; |
302 | static int last_mouse_scroll_bar_pos; | |
ee78dc32 | 303 | |
fbd6baed | 304 | /* This is a hack. We would really prefer that w32_mouse_position would |
ee78dc32 | 305 | return the time associated with the position it returns, but there |
9ef2e2cf | 306 | doesn't seem to be any way to wrest the time-stamp from the server |
ee78dc32 GV |
307 | along with the position query. So, we just keep track of the time |
308 | of the last movement we received, and return that in hopes that | |
309 | it's somewhat accurate. */ | |
ee78dc32 | 310 | |
9ef2e2cf JR |
311 | static Time last_mouse_movement_time; |
312 | ||
313 | /* Incremented by w32_read_socket whenever it really tries to read | |
314 | events. */ | |
a1b9438c | 315 | |
ee78dc32 GV |
316 | #ifdef __STDC__ |
317 | static int volatile input_signal_count; | |
318 | #else | |
319 | static int input_signal_count; | |
320 | #endif | |
321 | ||
322 | extern Lisp_Object Vcommand_line_args, Vsystem_name; | |
323 | ||
324 | extern Lisp_Object Qface, Qmouse_face; | |
325 | ||
38006079 | 326 | #ifndef USE_CRT_DLL |
ee78dc32 | 327 | extern int errno; |
38006079 | 328 | #endif |
ee78dc32 GV |
329 | |
330 | /* A mask of extra modifier bits to put into every keyboard char. */ | |
9ef2e2cf | 331 | |
ee78dc32 GV |
332 | extern int extra_keyboard_modifiers; |
333 | ||
791f420f JR |
334 | /* Enumeration for overriding/changing the face to use for drawing |
335 | glyphs in x_draw_glyphs. */ | |
336 | ||
337 | enum draw_glyphs_face | |
338 | { | |
339 | DRAW_NORMAL_TEXT, | |
340 | DRAW_INVERSE_VIDEO, | |
341 | DRAW_CURSOR, | |
342 | DRAW_MOUSE_FACE, | |
343 | DRAW_IMAGE_RAISED, | |
344 | DRAW_IMAGE_SUNKEN | |
345 | }; | |
346 | ||
38006079 | 347 | static void x_update_window_end P_ ((struct window *, int, int)); |
791f420f JR |
348 | static void frame_to_window_pixel_xy P_ ((struct window *, int *, int *)); |
349 | void w32_delete_display P_ ((struct w32_display_info *)); | |
350 | static int fast_find_position P_ ((struct window *, int, int *, int *, | |
9f5a911b JR |
351 | int *, int *, Lisp_Object)); |
352 | static int fast_find_string_pos P_ ((struct window *, int, Lisp_Object, | |
353 | int *, int *, int *, int *, int)); | |
791f420f JR |
354 | static void set_output_cursor P_ ((struct cursor_pos *)); |
355 | static struct glyph *x_y_to_hpos_vpos P_ ((struct window *, int, int, | |
9f5a911b | 356 | int *, int *, int *, int)); |
791f420f | 357 | static void note_mode_line_highlight P_ ((struct window *, int, int)); |
791f420f JR |
358 | static void note_mouse_highlight P_ ((struct frame *, int, int)); |
359 | static void note_tool_bar_highlight P_ ((struct frame *f, int, int)); | |
360 | static void w32_handle_tool_bar_click P_ ((struct frame *, | |
361 | struct input_event *)); | |
362 | static void show_mouse_face P_ ((struct w32_display_info *, | |
363 | enum draw_glyphs_face)); | |
9f5a911b JR |
364 | static int cursor_in_mouse_face_p P_ ((struct window *)); |
365 | static int clear_mouse_face P_ ((struct w32_display_info *)); | |
791f420f JR |
366 | |
367 | void x_lower_frame P_ ((struct frame *)); | |
368 | void x_scroll_bar_clear P_ ((struct frame *)); | |
369 | void x_wm_set_size_hint P_ ((struct frame *, long, int)); | |
370 | void x_raise_frame P_ ((struct frame *)); | |
371 | void x_set_window_size P_ ((struct frame *, int, int, int)); | |
372 | void x_wm_set_window_state P_ ((struct frame *, int)); | |
373 | void x_wm_set_icon_pixmap P_ ((struct frame *, int)); | |
374 | void w32_initialize P_ ((void)); | |
375 | static void x_font_min_bounds P_ ((XFontStruct *, int *, int *)); | |
376 | int x_compute_min_glyph_bounds P_ ((struct frame *)); | |
377 | static void x_draw_phys_cursor_glyph P_ ((struct window *, | |
378 | struct glyph_row *, | |
379 | enum draw_glyphs_face)); | |
380 | static void x_update_end P_ ((struct frame *)); | |
381 | static void w32_frame_up_to_date P_ ((struct frame *)); | |
791f420f JR |
382 | static void w32_set_terminal_modes P_ ((void)); |
383 | static void w32_reset_terminal_modes P_ ((void)); | |
384 | static void w32_cursor_to P_ ((int, int, int, int)); | |
385 | static void x_write_glyphs P_ ((struct glyph *, int)); | |
386 | static void x_clear_end_of_line P_ ((int)); | |
387 | static void x_clear_frame P_ ((void)); | |
388 | static void x_clear_cursor P_ ((struct window *)); | |
389 | static void frame_highlight P_ ((struct frame *)); | |
390 | static void frame_unhighlight P_ ((struct frame *)); | |
73dc743c JR |
391 | static void x_new_focus_frame P_ ((struct w32_display_info *, |
392 | struct frame *)); | |
791f420f JR |
393 | static void w32_frame_rehighlight P_ ((struct frame *)); |
394 | static void x_frame_rehighlight P_ ((struct w32_display_info *)); | |
395 | static void x_draw_hollow_cursor P_ ((struct window *, struct glyph_row *)); | |
9ef2e2cf | 396 | static void x_draw_bar_cursor P_ ((struct window *, struct glyph_row *, int)); |
791f420f | 397 | static void expose_frame P_ ((struct frame *, int, int, int, int)); |
9f5a911b JR |
398 | static int expose_window_tree P_ ((struct window *, RECT *)); |
399 | static int expose_window P_ ((struct window *, RECT *)); | |
791f420f JR |
400 | static void expose_area P_ ((struct window *, struct glyph_row *, |
401 | RECT *, enum glyph_row_area)); | |
9f5a911b JR |
402 | static int expose_line P_ ((struct window *, struct glyph_row *, |
403 | RECT *)); | |
791f420f JR |
404 | void x_update_cursor P_ ((struct frame *, int)); |
405 | static void x_update_cursor_in_window_tree P_ ((struct window *, int)); | |
406 | static void x_update_window_cursor P_ ((struct window *, int)); | |
407 | static void x_erase_phys_cursor P_ ((struct window *)); | |
408 | void x_display_cursor P_ ((struct window *w, int, int, int, int, int)); | |
409 | void x_display_and_set_cursor P_ ((struct window *, int, int, int, int, int)); | |
6637c996 JR |
410 | static void w32_draw_fringe_bitmap P_ ((struct window *, HDC hdc, |
411 | struct glyph_row *, | |
d33c49e8 | 412 | enum fringe_bitmap_type, int left_p)); |
c2cc16fa JR |
413 | static void w32_clip_to_row P_ ((struct window *, struct glyph_row *, |
414 | HDC, int)); | |
791f420f | 415 | static int x_phys_cursor_in_rect_p P_ ((struct window *, RECT *)); |
6637c996 JR |
416 | static void x_draw_row_fringe_bitmaps P_ ((struct window *, |
417 | struct glyph_row *)); | |
418 | static void notice_overwritten_cursor P_ ((struct window *, | |
419 | enum glyph_row_area, | |
420 | int, int, int, int)); | |
791f420f | 421 | |
ee78dc32 GV |
422 | static Lisp_Object Qvendor_specific_keysyms; |
423 | ||
ee78dc32 | 424 | \f |
9ef2e2cf JR |
425 | /*********************************************************************** |
426 | Debugging | |
427 | ***********************************************************************/ | |
428 | ||
ee78dc32 | 429 | #if 0 |
9ef2e2cf JR |
430 | |
431 | /* This is a function useful for recording debugging information about | |
432 | the sequence of occurrences in this file. */ | |
ee78dc32 GV |
433 | |
434 | struct record | |
435 | { | |
436 | char *locus; | |
437 | int type; | |
438 | }; | |
439 | ||
440 | struct record event_record[100]; | |
441 | ||
442 | int event_record_index; | |
443 | ||
444 | record_event (locus, type) | |
445 | char *locus; | |
446 | int type; | |
447 | { | |
448 | if (event_record_index == sizeof (event_record) / sizeof (struct record)) | |
449 | event_record_index = 0; | |
450 | ||
451 | event_record[event_record_index].locus = locus; | |
452 | event_record[event_record_index].type = type; | |
453 | event_record_index++; | |
454 | } | |
455 | ||
456 | #endif /* 0 */ | |
457 | \f | |
791f420f JR |
458 | |
459 | void XChangeGC (void * ignore, XGCValues* gc, unsigned long mask, | |
460 | XGCValues *xgcv) | |
461 | { | |
462 | if (mask & GCForeground) | |
463 | gc->foreground = xgcv->foreground; | |
464 | if (mask & GCBackground) | |
465 | gc->background = xgcv->background; | |
466 | if (mask & GCFont) | |
467 | gc->font = xgcv->font; | |
468 | } | |
469 | ||
470 | XGCValues *XCreateGC (void * ignore, Window window, unsigned long mask, | |
471 | XGCValues *xgcv) | |
472 | { | |
473 | XGCValues *gc = (XGCValues *) xmalloc (sizeof (XGCValues)); | |
474 | bzero (gc, sizeof (XGCValues)); | |
475 | ||
476 | XChangeGC (ignore, gc, mask, xgcv); | |
477 | ||
478 | return gc; | |
479 | } | |
480 | ||
481 | void XGetGCValues (void* ignore, XGCValues *gc, | |
482 | unsigned long mask, XGCValues *xgcv) | |
483 | { | |
484 | XChangeGC (ignore, xgcv, mask, gc); | |
485 | } | |
486 | ||
791f420f JR |
487 | static void |
488 | w32_set_clip_rectangle (HDC hdc, RECT *rect) | |
489 | { | |
490 | if (rect) | |
491 | { | |
492 | HRGN clip_region = CreateRectRgnIndirect (rect); | |
493 | SelectClipRgn (hdc, clip_region); | |
494 | DeleteObject (clip_region); | |
495 | } | |
496 | else | |
497 | SelectClipRgn (hdc, NULL); | |
498 | } | |
499 | ||
791f420f JR |
500 | |
501 | /* Draw a hollow rectangle at the specified position. */ | |
502 | void | |
503 | w32_draw_rectangle (HDC hdc, XGCValues *gc, int x, int y, | |
504 | int width, int height) | |
505 | { | |
506 | HBRUSH hb, oldhb; | |
507 | HPEN hp, oldhp; | |
508 | ||
509 | hb = CreateSolidBrush (gc->background); | |
510 | hp = CreatePen (PS_SOLID, 0, gc->foreground); | |
511 | oldhb = SelectObject (hdc, hb); | |
512 | oldhp = SelectObject (hdc, hp); | |
513 | ||
514 | Rectangle (hdc, x, y, x + width, y + height); | |
515 | ||
516 | SelectObject (hdc, oldhb); | |
517 | SelectObject (hdc, oldhp); | |
518 | DeleteObject (hb); | |
519 | DeleteObject (hp); | |
520 | } | |
521 | ||
522 | /* Draw a filled rectangle at the specified position. */ | |
ee78dc32 | 523 | void |
00fe468b | 524 | w32_fill_rect (f, hdc, pix, lprect) |
ee78dc32 | 525 | FRAME_PTR f; |
00fe468b | 526 | HDC hdc; |
ee78dc32 GV |
527 | COLORREF pix; |
528 | RECT * lprect; | |
529 | { | |
ee78dc32 | 530 | HBRUSH hb; |
791f420f | 531 | |
ee78dc32 | 532 | hb = CreateSolidBrush (pix); |
ee78dc32 | 533 | FillRect (hdc, lprect, hb); |
ee78dc32 | 534 | DeleteObject (hb); |
ee78dc32 GV |
535 | } |
536 | ||
537 | void | |
fbd6baed | 538 | w32_clear_window (f) |
ee78dc32 GV |
539 | FRAME_PTR f; |
540 | { | |
541 | RECT rect; | |
00fe468b | 542 | HDC hdc = get_frame_dc (f); |
52cf03a1 | 543 | |
e4a52412 JR |
544 | /* Under certain conditions, this can be called at startup with |
545 | a console frame pointer before the GUI frame is created. An HDC | |
546 | of 0 indicates this. */ | |
547 | if (hdc) | |
548 | { | |
549 | GetClientRect (FRAME_W32_WINDOW (f), &rect); | |
550 | w32_clear_rect (f, hdc, &rect); | |
551 | } | |
552 | ||
00fe468b | 553 | release_frame_dc (f, hdc); |
ee78dc32 GV |
554 | } |
555 | ||
556 | \f | |
791f420f JR |
557 | /*********************************************************************** |
558 | Starting and ending an update | |
559 | ***********************************************************************/ | |
560 | ||
561 | /* Start an update of frame F. This function is installed as a hook | |
562 | for update_begin, i.e. it is called when update_begin is called. | |
563 | This function is called prior to calls to x_update_window_begin for | |
99012074 | 564 | each window being updated. */ |
ee78dc32 | 565 | |
96214669 | 566 | static void |
791f420f | 567 | x_update_begin (f) |
ee78dc32 GV |
568 | struct frame *f; |
569 | { | |
99012074 AI |
570 | struct w32_display_info *display_info = FRAME_W32_DISPLAY_INFO (f); |
571 | ||
7e6ac5b9 AI |
572 | if (! FRAME_W32_P (f)) |
573 | return; | |
574 | ||
99012074 AI |
575 | /* Regenerate display palette before drawing if list of requested |
576 | colors has changed. */ | |
577 | if (display_info->regen_palette) | |
578 | { | |
579 | w32_regenerate_palette (f); | |
580 | display_info->regen_palette = FALSE; | |
581 | } | |
791f420f | 582 | } |
ee78dc32 | 583 | |
791f420f JR |
584 | |
585 | /* Start update of window W. Set the global variable updated_window | |
586 | to the window being updated and set output_cursor to the cursor | |
587 | position of W. */ | |
588 | ||
589 | static void | |
590 | x_update_window_begin (w) | |
591 | struct window *w; | |
592 | { | |
593 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
594 | struct w32_display_info *display_info = FRAME_W32_DISPLAY_INFO (f); | |
595 | ||
99558ce8 | 596 | /* Hide the system caret during an update. */ |
ab76d376 JR |
597 | if (w32_use_visible_system_caret) |
598 | SendMessage (w32_system_caret_hwnd, WM_EMACS_HIDE_CARET, 0, 0); | |
99558ce8 | 599 | |
791f420f JR |
600 | updated_window = w; |
601 | set_output_cursor (&w->cursor); | |
ee78dc32 GV |
602 | |
603 | BLOCK_INPUT; | |
604 | ||
791f420f | 605 | if (f == display_info->mouse_face_mouse_frame) |
ee78dc32 GV |
606 | { |
607 | /* Don't do highlighting for mouse motion during the update. */ | |
791f420f | 608 | display_info->mouse_face_defer = 1; |
ee78dc32 | 609 | |
9ef2e2cf JR |
610 | /* If F needs to be redrawn, simply forget about any prior mouse |
611 | highlighting. */ | |
ee78dc32 | 612 | if (FRAME_GARBAGED_P (f)) |
791f420f JR |
613 | display_info->mouse_face_window = Qnil; |
614 | ||
ec48c3a7 JR |
615 | #if 0 /* Rows in a current matrix containing glyphs in mouse-face have |
616 | their mouse_face_p flag set, which means that they are always | |
617 | unequal to rows in a desired matrix which never have that | |
618 | flag set. So, rows containing mouse-face glyphs are never | |
619 | scrolled, and we don't have to switch the mouse highlight off | |
620 | here to prevent it from being scrolled. */ | |
621 | ||
791f420f JR |
622 | /* Can we tell that this update does not affect the window |
623 | where the mouse highlight is? If so, no need to turn off. | |
624 | Likewise, don't do anything if the frame is garbaged; | |
625 | in that case, the frame's current matrix that we would use | |
626 | is all wrong, and we will redisplay that line anyway. */ | |
627 | if (!NILP (display_info->mouse_face_window) | |
628 | && w == XWINDOW (display_info->mouse_face_window)) | |
ee78dc32 | 629 | { |
791f420f | 630 | int i; |
ee78dc32 | 631 | |
791f420f JR |
632 | for (i = 0; i < w->desired_matrix->nrows; ++i) |
633 | if (MATRIX_ROW_ENABLED_P (w->desired_matrix, i)) | |
ee78dc32 GV |
634 | break; |
635 | ||
791f420f JR |
636 | if (i < w->desired_matrix->nrows) |
637 | clear_mouse_face (display_info); | |
ee78dc32 | 638 | } |
ec48c3a7 | 639 | #endif /* 0 */ |
ee78dc32 GV |
640 | } |
641 | ||
642 | UNBLOCK_INPUT; | |
643 | } | |
644 | ||
791f420f JR |
645 | |
646 | /* Draw a vertical window border to the right of window W if W doesn't | |
647 | have vertical scroll bars. */ | |
648 | ||
96214669 | 649 | static void |
791f420f JR |
650 | x_draw_vertical_border (w) |
651 | struct window *w; | |
ee78dc32 | 652 | { |
791f420f JR |
653 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
654 | ||
655 | /* Redraw borders between horizontally adjacent windows. Don't | |
656 | do it for frames with vertical scroll bars because either the | |
657 | right scroll bar of a window, or the left scroll bar of its | |
658 | neighbor will suffice as a border. */ | |
659 | if (!WINDOW_RIGHTMOST_P (w) | |
660 | && !FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
661 | { | |
662 | RECT r; | |
00fe468b | 663 | HDC hdc; |
ee78dc32 | 664 | |
9f5a911b JR |
665 | window_box_edges (w, -1, (int *) &r.left, (int *) &r.top, |
666 | (int *) &r.right, (int *) &r.bottom); | |
33c34bea | 667 | r.left = r.right + FRAME_X_RIGHT_FRINGE_WIDTH (f); |
791f420f JR |
668 | r.right = r.left + 1; |
669 | r.bottom -= 1; | |
ee78dc32 | 670 | |
00fe468b | 671 | hdc = get_frame_dc (f); |
e4a52412 | 672 | w32_fill_rect (f, hdc, FRAME_FOREGROUND_PIXEL (f), &r); |
00fe468b | 673 | release_frame_dc (f, hdc); |
791f420f JR |
674 | } |
675 | } | |
ee78dc32 | 676 | |
791f420f | 677 | |
ec48c3a7 JR |
678 | /* End update of window W (which is equal to updated_window). |
679 | ||
680 | Draw vertical borders between horizontally adjacent windows, and | |
681 | display W's cursor if CURSOR_ON_P is non-zero. | |
682 | ||
683 | MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing | |
684 | glyphs in mouse-face were overwritten. In that case we have to | |
685 | make sure that the mouse-highlight is properly redrawn. | |
686 | ||
687 | W may be a menu bar pseudo-window in case we don't have X toolkit | |
688 | support. Such windows don't have a cursor, so don't display it | |
689 | here. */ | |
791f420f JR |
690 | |
691 | static void | |
ec48c3a7 | 692 | x_update_window_end (w, cursor_on_p, mouse_face_overwritten_p) |
791f420f | 693 | struct window *w; |
ec48c3a7 | 694 | int cursor_on_p, mouse_face_overwritten_p; |
791f420f | 695 | { |
9f5a911b JR |
696 | struct w32_display_info *dpyinfo |
697 | = FRAME_W32_DISPLAY_INFO (XFRAME (w->frame)); | |
698 | ||
791f420f JR |
699 | if (!w->pseudo_window_p) |
700 | { | |
701 | BLOCK_INPUT; | |
ec48c3a7 | 702 | |
791f420f JR |
703 | if (cursor_on_p) |
704 | x_display_and_set_cursor (w, 1, output_cursor.hpos, | |
705 | output_cursor.vpos, | |
706 | output_cursor.x, output_cursor.y); | |
c2cc16fa | 707 | |
791f420f JR |
708 | x_draw_vertical_border (w); |
709 | UNBLOCK_INPUT; | |
710 | } | |
9f5a911b JR |
711 | |
712 | /* If a row with mouse-face was overwritten, arrange for | |
713 | XTframe_up_to_date to redisplay the mouse highlight. */ | |
714 | if (mouse_face_overwritten_p) | |
715 | { | |
716 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
717 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
718 | dpyinfo->mouse_face_window = Qnil; | |
719 | } | |
720 | ||
99558ce8 JR |
721 | /* Unhide the caret. This won't actually show the cursor, unless it |
722 | was visible before the corresponding call to HideCaret in | |
723 | x_update_window_begin. */ | |
ab76d376 JR |
724 | if (w32_use_visible_system_caret) |
725 | SendMessage (w32_system_caret_hwnd, WM_EMACS_SHOW_CARET, 0, 0); | |
99558ce8 | 726 | |
791f420f JR |
727 | updated_window = NULL; |
728 | } | |
729 | ||
9ef2e2cf JR |
730 | |
731 | /* End update of frame F. This function is installed as a hook in | |
732 | update_end. */ | |
733 | ||
791f420f JR |
734 | static void |
735 | x_update_end (f) | |
736 | struct frame *f; | |
737 | { | |
7e6ac5b9 AI |
738 | if (! FRAME_W32_P (f)) |
739 | return; | |
740 | ||
791f420f JR |
741 | /* Mouse highlight may be displayed again. */ |
742 | FRAME_W32_DISPLAY_INFO (f)->mouse_face_defer = 0; | |
ee78dc32 GV |
743 | } |
744 | ||
9ef2e2cf | 745 | |
791f420f JR |
746 | /* This function is called from various places in xdisp.c whenever a |
747 | complete update has been performed. The global variable | |
748 | updated_window is not available here. */ | |
ee78dc32 | 749 | |
96214669 | 750 | static void |
fbd6baed | 751 | w32_frame_up_to_date (f) |
791f420f | 752 | struct frame *f; |
ee78dc32 | 753 | { |
791f420f | 754 | if (FRAME_W32_P (f)) |
ee78dc32 | 755 | { |
791f420f JR |
756 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); |
757 | if (dpyinfo->mouse_face_deferred_gc | |
758 | || f == dpyinfo->mouse_face_mouse_frame) | |
759 | { | |
760 | BLOCK_INPUT; | |
761 | if (dpyinfo->mouse_face_mouse_frame) | |
762 | note_mouse_highlight (dpyinfo->mouse_face_mouse_frame, | |
763 | dpyinfo->mouse_face_mouse_x, | |
764 | dpyinfo->mouse_face_mouse_y); | |
765 | dpyinfo->mouse_face_deferred_gc = 0; | |
766 | UNBLOCK_INPUT; | |
767 | } | |
ee78dc32 GV |
768 | } |
769 | } | |
791f420f JR |
770 | |
771 | ||
772 | /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay | |
33c34bea | 773 | arrow bitmaps, or clear the fringes if no bitmaps are required |
791f420f | 774 | before DESIRED_ROW is made current. The window being updated is |
b71b8111 | 775 | found in updated_window. This function is called from |
791f420f JR |
776 | update_window_line only if it is known that there are differences |
777 | between bitmaps to be drawn between current row and DESIRED_ROW. */ | |
778 | ||
779 | static void | |
780 | x_after_update_window_line (desired_row) | |
781 | struct glyph_row *desired_row; | |
782 | { | |
783 | struct window *w = updated_window; | |
6ff3e5e3 JR |
784 | struct frame *f; |
785 | int width, height; | |
786 | ||
791f420f JR |
787 | xassert (w); |
788 | ||
789 | if (!desired_row->mode_line_p && !w->pseudo_window_p) | |
790 | { | |
791 | BLOCK_INPUT; | |
33c34bea | 792 | x_draw_row_fringe_bitmaps (w, desired_row); |
6ff3e5e3 JR |
793 | UNBLOCK_INPUT; |
794 | } | |
791f420f | 795 | |
6ff3e5e3 JR |
796 | /* When a window has disappeared, make sure that no rest of |
797 | full-width rows stays visible in the internal border. Could | |
798 | check here if updated_window is the leftmost/rightmost window, | |
799 | but I guess it's not worth doing since vertically split windows | |
800 | are almost never used, internal border is rarely set, and the | |
801 | overhead is very small. */ | |
802 | if (windows_or_buffers_changed | |
803 | && desired_row->full_width_p | |
804 | && (f = XFRAME (w->frame), | |
805 | width = FRAME_INTERNAL_BORDER_WIDTH (f), | |
806 | width != 0) | |
807 | && (height = desired_row->visible_height, | |
808 | height > 0)) | |
809 | { | |
810 | int y = WINDOW_TO_FRAME_PIXEL_Y (w, max (0, desired_row->y)); | |
811 | /* Internal border is drawn below the tool bar. */ | |
812 | if (WINDOWP (f->tool_bar_window) | |
813 | && w == XWINDOW (f->tool_bar_window)) | |
814 | y -= width; | |
815 | ||
816 | BLOCK_INPUT; | |
817 | { | |
818 | HDC hdc = get_frame_dc (f); | |
819 | w32_clear_area (f, hdc, 0, y, width, height); | |
820 | w32_clear_area (f, hdc, f->output_data.w32->pixel_width - width, | |
821 | y, width, height); | |
822 | release_frame_dc (f, hdc); | |
823 | } | |
791f420f JR |
824 | UNBLOCK_INPUT; |
825 | } | |
826 | } | |
827 | ||
828 | ||
33c34bea | 829 | /* Draw the bitmap WHICH in one of the left or right fringes of |
791f420f JR |
830 | window W. ROW is the glyph row for which to display the bitmap; it |
831 | determines the vertical position at which the bitmap has to be | |
832 | drawn. */ | |
833 | ||
834 | static void | |
d33c49e8 | 835 | w32_draw_fringe_bitmap (w, hdc, row, which, left_p) |
791f420f | 836 | struct window *w; |
00fe468b | 837 | HDC hdc; |
791f420f | 838 | struct glyph_row *row; |
33c34bea | 839 | enum fringe_bitmap_type which; |
d33c49e8 | 840 | int left_p; |
791f420f JR |
841 | { |
842 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
843 | Window window = FRAME_W32_WINDOW (f); | |
791f420f JR |
844 | HDC compat_hdc; |
845 | int x, y, wd, h, dy; | |
d33c49e8 | 846 | int b1, b2; |
791f420f | 847 | HBITMAP pixmap; |
791f420f JR |
848 | HANDLE horig_obj; |
849 | struct face *face; | |
850 | ||
851 | /* Must clip because of partially visible lines. */ | |
852 | w32_clip_to_row (w, row, hdc, 1); | |
853 | ||
d33c49e8 KS |
854 | /* Convert row to frame coordinates. */ |
855 | y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); | |
856 | ||
791f420f JR |
857 | switch (which) |
858 | { | |
d33c49e8 KS |
859 | case NO_FRINGE_BITMAP: |
860 | wd = 0; | |
861 | h = 0; | |
862 | break; | |
863 | ||
791f420f JR |
864 | case LEFT_TRUNCATION_BITMAP: |
865 | wd = left_width; | |
866 | h = left_height; | |
f7737f5d | 867 | pixmap = left_bmp; |
791f420f JR |
868 | break; |
869 | ||
870 | case OVERLAY_ARROW_BITMAP: | |
871 | wd = ov_width; | |
872 | h = ov_height; | |
f7737f5d | 873 | pixmap = ov_bmp; |
791f420f JR |
874 | break; |
875 | ||
876 | case RIGHT_TRUNCATION_BITMAP: | |
877 | wd = right_width; | |
878 | h = right_height; | |
f7737f5d | 879 | pixmap = right_bmp; |
791f420f JR |
880 | break; |
881 | ||
882 | case CONTINUED_LINE_BITMAP: | |
883 | wd = continued_width; | |
884 | h = continued_height; | |
f7737f5d | 885 | pixmap = continued_bmp; |
791f420f JR |
886 | break; |
887 | ||
888 | case CONTINUATION_LINE_BITMAP: | |
889 | wd = continuation_width; | |
890 | h = continuation_height; | |
f7737f5d | 891 | pixmap = continuation_bmp; |
791f420f JR |
892 | break; |
893 | ||
894 | case ZV_LINE_BITMAP: | |
895 | wd = zv_width; | |
d33c49e8 | 896 | h = zv_height - (y % zv_period); |
f7737f5d | 897 | pixmap = zv_bmp; |
791f420f JR |
898 | break; |
899 | ||
900 | default: | |
901 | abort (); | |
902 | } | |
903 | ||
d33c49e8 KS |
904 | /* Clip bitmap if too high. */ |
905 | if (h > row->height) | |
906 | h = row->height; | |
907 | ||
908 | /* Set dy to the offset in the row to start drawing the bitmap. */ | |
791f420f JR |
909 | dy = (row->height - h) / 2; |
910 | ||
f7737f5d | 911 | /* Draw the bitmap. */ |
33c34bea | 912 | face = FACE_FROM_ID (f, FRINGE_FACE_ID); |
d33c49e8 KS |
913 | PREPARE_FACE_FOR_DISPLAY (f, face); |
914 | ||
915 | /* Clear left fringe if no bitmap to draw or if bitmap doesn't fill | |
916 | the fringe. */ | |
917 | b1 = -1; | |
918 | if (left_p) | |
919 | { | |
920 | if (wd > FRAME_X_LEFT_FRINGE_WIDTH (f)) | |
921 | wd = FRAME_X_LEFT_FRINGE_WIDTH (f); | |
922 | x = (WINDOW_TO_FRAME_PIXEL_X (w, 0) | |
923 | - wd | |
924 | - (FRAME_X_LEFT_FRINGE_WIDTH (f) - wd) / 2); | |
925 | if (wd < FRAME_X_LEFT_FRINGE_WIDTH (f) || row->height > h) | |
926 | { | |
927 | /* If W has a vertical border to its left, don't draw over it. */ | |
928 | int border = ((XFASTINT (w->left) > 0 | |
929 | && !FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
930 | ? 1 : 0); | |
931 | b1 = (window_box_left (w, -1) | |
932 | - FRAME_X_LEFT_FRINGE_WIDTH (f) | |
933 | + border); | |
934 | b2 = (FRAME_X_LEFT_FRINGE_WIDTH (f) - border); | |
935 | } | |
936 | } | |
937 | else | |
938 | { | |
939 | if (wd > FRAME_X_RIGHT_FRINGE_WIDTH (f)) | |
940 | wd = FRAME_X_RIGHT_FRINGE_WIDTH (f); | |
941 | x = (window_box_right (w, -1) | |
942 | + (FRAME_X_RIGHT_FRINGE_WIDTH (f) - wd) / 2); | |
943 | /* Clear right fringe if no bitmap to draw of if bitmap doesn't fill | |
944 | the fringe. */ | |
945 | if (wd < FRAME_X_RIGHT_FRINGE_WIDTH (f) || row->height > h) | |
946 | { | |
947 | b1 = window_box_right (w, -1); | |
948 | b2 = FRAME_X_RIGHT_FRINGE_WIDTH (f); | |
949 | } | |
950 | } | |
951 | ||
952 | if (b1 >= 0) | |
953 | { | |
954 | int header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); | |
955 | ||
956 | w32_fill_area (f, hdc, face->background, | |
957 | b1, | |
958 | WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, | |
959 | row->y)), | |
960 | b2, | |
961 | row->visible_height); | |
962 | } | |
963 | ||
964 | if (which == NO_FRINGE_BITMAP) | |
965 | return; | |
791f420f JR |
966 | |
967 | compat_hdc = CreateCompatibleDC (hdc); | |
968 | SaveDC (hdc); | |
9436cdf9 | 969 | |
791f420f | 970 | horig_obj = SelectObject (compat_hdc, pixmap); |
9436cdf9 JR |
971 | SetTextColor (hdc, face->background); |
972 | SetBkColor (hdc, face->foreground); | |
973 | ||
d33c49e8 KS |
974 | BitBlt (hdc, x, y + dy, wd, h, compat_hdc, 0, |
975 | (which == ZV_LINE_BITMAP ? (row->y % zv_period) : 0), | |
976 | SRCCOPY); | |
9436cdf9 | 977 | |
791f420f | 978 | SelectObject (compat_hdc, horig_obj); |
791f420f JR |
979 | DeleteDC (compat_hdc); |
980 | RestoreDC (hdc, -1); | |
791f420f JR |
981 | } |
982 | ||
983 | ||
33c34bea | 984 | /* Draw fringe bitmaps for glyph row ROW on window W. Call this |
791f420f JR |
985 | function with input blocked. */ |
986 | ||
987 | static void | |
33c34bea | 988 | x_draw_row_fringe_bitmaps (w, row) |
791f420f JR |
989 | struct window *w; |
990 | struct glyph_row *row; | |
991 | { | |
992 | struct frame *f = XFRAME (w->frame); | |
33c34bea | 993 | enum fringe_bitmap_type bitmap; |
fccb8288 | 994 | HDC hdc; |
791f420f JR |
995 | |
996 | xassert (interrupt_input_blocked); | |
997 | ||
998 | /* If row is completely invisible, because of vscrolling, we | |
999 | don't have to draw anything. */ | |
1000 | if (row->visible_height <= 0) | |
1001 | return; | |
1002 | ||
fccb8288 EZ |
1003 | hdc = get_frame_dc (f); |
1004 | ||
d33c49e8 KS |
1005 | if (FRAME_X_LEFT_FRINGE_WIDTH (f) != 0) |
1006 | { | |
1007 | /* Decide which bitmap to draw in the left fringe. */ | |
1008 | if (row->overlay_arrow_p) | |
1009 | bitmap = OVERLAY_ARROW_BITMAP; | |
1010 | else if (row->truncated_on_left_p) | |
1011 | bitmap = LEFT_TRUNCATION_BITMAP; | |
1012 | else if (MATRIX_ROW_CONTINUATION_LINE_P (row)) | |
1013 | bitmap = CONTINUATION_LINE_BITMAP; | |
1014 | else if (row->indicate_empty_line_p) | |
1015 | bitmap = ZV_LINE_BITMAP; | |
1016 | else | |
1017 | bitmap = NO_FRINGE_BITMAP; | |
791f420f | 1018 | |
d33c49e8 KS |
1019 | w32_draw_fringe_bitmap (w, hdc, row, bitmap, 1); |
1020 | } | |
791f420f | 1021 | |
d33c49e8 | 1022 | if (FRAME_X_RIGHT_FRINGE_WIDTH (f) != 0) |
791f420f | 1023 | { |
d33c49e8 KS |
1024 | /* Decide which bitmap to draw in the right fringe. */ |
1025 | if (row->truncated_on_right_p) | |
1026 | bitmap = RIGHT_TRUNCATION_BITMAP; | |
1027 | else if (row->continued_p) | |
1028 | bitmap = CONTINUED_LINE_BITMAP; | |
1029 | else if (row->indicate_empty_line_p && FRAME_X_LEFT_FRINGE_WIDTH (f) == 0) | |
1030 | bitmap = ZV_LINE_BITMAP; | |
1031 | else | |
1032 | bitmap = NO_FRINGE_BITMAP; | |
791f420f | 1033 | |
d33c49e8 | 1034 | w32_draw_fringe_bitmap (w, hdc, row, bitmap, 0); |
791f420f JR |
1035 | } |
1036 | ||
791f420f JR |
1037 | release_frame_dc (f, hdc); |
1038 | } | |
1039 | ||
ee78dc32 | 1040 | \f |
9ef2e2cf JR |
1041 | /* This is called when starting Emacs and when restarting after |
1042 | suspend. When starting Emacs, no window is mapped. And nothing | |
1043 | must be done to Emacs's own window if it is suspended (though that | |
1044 | rarely happens). */ | |
ee78dc32 | 1045 | |
96214669 GV |
1046 | static void |
1047 | w32_set_terminal_modes (void) | |
ee78dc32 GV |
1048 | { |
1049 | } | |
1050 | ||
9ef2e2cf JR |
1051 | /* This is called when exiting or suspending Emacs. Exiting will make |
1052 | the W32 windows go away, and suspending requires no action. */ | |
ee78dc32 | 1053 | |
96214669 GV |
1054 | static void |
1055 | w32_reset_terminal_modes (void) | |
ee78dc32 GV |
1056 | { |
1057 | } | |
791f420f | 1058 | |
9ef2e2cf | 1059 | |
ee78dc32 | 1060 | \f |
791f420f JR |
1061 | /*********************************************************************** |
1062 | Output Cursor | |
1063 | ***********************************************************************/ | |
1064 | ||
1065 | /* Set the global variable output_cursor to CURSOR. All cursor | |
1066 | positions are relative to updated_window. */ | |
9ef2e2cf | 1067 | |
791f420f JR |
1068 | static void |
1069 | set_output_cursor (cursor) | |
1070 | struct cursor_pos *cursor; | |
1071 | { | |
1072 | output_cursor.hpos = cursor->hpos; | |
1073 | output_cursor.vpos = cursor->vpos; | |
1074 | output_cursor.x = cursor->x; | |
1075 | output_cursor.y = cursor->y; | |
1076 | } | |
1077 | ||
1078 | ||
1079 | /* Set a nominal cursor position. | |
1080 | ||
1081 | HPOS and VPOS are column/row positions in a window glyph matrix. X | |
1082 | and Y are window text area relative pixel positions. | |
1083 | ||
1084 | If this is done during an update, updated_window will contain the | |
1085 | window that is being updated and the position is the future output | |
1086 | cursor position for that window. If updated_window is null, use | |
1087 | selected_window and display the cursor at the given position. */ | |
ee78dc32 | 1088 | |
96214669 | 1089 | static void |
791f420f JR |
1090 | w32_cursor_to (vpos, hpos, y, x) |
1091 | int vpos, hpos, y, x; | |
ee78dc32 | 1092 | { |
791f420f | 1093 | struct window *w; |
ee78dc32 | 1094 | |
791f420f JR |
1095 | /* If updated_window is not set, work on selected_window. */ |
1096 | if (updated_window) | |
1097 | w = updated_window; | |
1098 | else | |
1099 | w = XWINDOW (selected_window); | |
1100 | ||
1101 | /* Set the output cursor. */ | |
1102 | output_cursor.hpos = hpos; | |
1103 | output_cursor.vpos = vpos; | |
1104 | output_cursor.x = x; | |
1105 | output_cursor.y = y; | |
ee78dc32 | 1106 | |
791f420f JR |
1107 | /* If not called as part of an update, really display the cursor. |
1108 | This will also set the cursor position of W. */ | |
1109 | if (updated_window == NULL) | |
ee78dc32 GV |
1110 | { |
1111 | BLOCK_INPUT; | |
791f420f | 1112 | x_display_cursor (w, 1, hpos, vpos, x, y); |
ee78dc32 GV |
1113 | UNBLOCK_INPUT; |
1114 | } | |
1115 | } | |
791f420f | 1116 | |
9ef2e2cf | 1117 | |
ee78dc32 | 1118 | \f |
791f420f JR |
1119 | /*********************************************************************** |
1120 | Display Iterator | |
1121 | ***********************************************************************/ | |
1122 | ||
1123 | /* Function prototypes of this page. */ | |
1124 | ||
1125 | static struct face *x_get_glyph_face_and_encoding P_ ((struct frame *, | |
1126 | struct glyph *, | |
93ff4395 JR |
1127 | wchar_t *, |
1128 | int *)); | |
791f420f JR |
1129 | static struct face *x_get_char_face_and_encoding P_ ((struct frame *, int, |
1130 | int, wchar_t *, int)); | |
82f9d565 | 1131 | static XCharStruct *w32_per_char_metric P_ ((XFontStruct *, |
9ef2e2cf JR |
1132 | wchar_t *, |
1133 | enum w32_char_font_type)); | |
1134 | static enum w32_char_font_type | |
1135 | w32_encode_char P_ ((int, wchar_t *, struct font_info *, int *)); | |
791f420f JR |
1136 | static void x_append_glyph P_ ((struct it *)); |
1137 | static void x_append_composite_glyph P_ ((struct it *)); | |
1138 | static void x_append_stretch_glyph P_ ((struct it *it, Lisp_Object, | |
1139 | int, int, double)); | |
1140 | static void x_produce_glyphs P_ ((struct it *)); | |
1141 | static void x_produce_image_glyph P_ ((struct it *it)); | |
a1b9438c | 1142 | |
a1b9438c | 1143 | |
791f420f JR |
1144 | /* Dealing with bits of wchar_t as if they were an XChar2B. */ |
1145 | #define BUILD_WCHAR_T(byte1, byte2) \ | |
1146 | ((wchar_t)((((byte1) & 0x00ff) << 8) | ((byte2) & 0x00ff))) | |
a1b9438c | 1147 | |
a1b9438c | 1148 | |
791f420f JR |
1149 | #define BYTE1(ch) \ |
1150 | (((ch) & 0xff00) >> 8) | |
a1b9438c | 1151 | |
791f420f JR |
1152 | #define BYTE2(ch) \ |
1153 | ((ch) & 0x00ff) | |
cabb23bc | 1154 | |
791f420f JR |
1155 | |
1156 | /* Get metrics of character CHAR2B in FONT. Value is always non-null. | |
1157 | If CHAR2B is not contained in FONT, the font's default character | |
9ef2e2cf | 1158 | metric is returned. */ |
791f420f | 1159 | |
82f9d565 AI |
1160 | static int |
1161 | w32_bdf_per_char_metric (font, char2b, dim, pcm) | |
9127e20e JR |
1162 | XFontStruct *font; |
1163 | wchar_t *char2b; | |
1164 | int dim; | |
82f9d565 | 1165 | XCharStruct * pcm; |
9127e20e JR |
1166 | { |
1167 | glyph_metric * bdf_metric; | |
1168 | char buf[2]; | |
9127e20e JR |
1169 | |
1170 | if (dim == 1) | |
4b99045f | 1171 | buf[0] = (char)(*char2b); |
9127e20e JR |
1172 | else |
1173 | { | |
1174 | buf[0] = BYTE1 (*char2b); | |
1175 | buf[1] = BYTE2 (*char2b); | |
1176 | } | |
1177 | ||
1178 | bdf_metric = w32_BDF_TextMetric (font->bdf, buf, dim); | |
1179 | ||
1180 | if (bdf_metric) | |
1181 | { | |
1182 | pcm->width = bdf_metric->dwidth; | |
1183 | pcm->lbearing = bdf_metric->bbox; | |
1184 | pcm->rbearing = bdf_metric->dwidth | |
1185 | - (bdf_metric->bbox + bdf_metric->bbw); | |
1186 | pcm->ascent = bdf_metric->bboy + bdf_metric->bbh; | |
00c96995 | 1187 | pcm->descent = -bdf_metric->bboy; |
82f9d565 AI |
1188 | |
1189 | return 1; | |
9127e20e | 1190 | } |
82f9d565 | 1191 | return 0; |
9127e20e JR |
1192 | } |
1193 | ||
1194 | ||
82f9d565 AI |
1195 | static int |
1196 | w32_native_per_char_metric (font, char2b, font_type, pcm) | |
791f420f JR |
1197 | XFontStruct *font; |
1198 | wchar_t *char2b; | |
9ef2e2cf | 1199 | enum w32_char_font_type font_type; |
82f9d565 | 1200 | XCharStruct * pcm; |
cabb23bc | 1201 | { |
82f9d565 AI |
1202 | HDC hdc = GetDC (NULL); |
1203 | HFONT old_font; | |
1204 | BOOL retval = FALSE; | |
cabb23bc | 1205 | |
791f420f | 1206 | xassert (font && char2b); |
82f9d565 AI |
1207 | xassert (font->hfont); |
1208 | xassert (font_type == UNICODE_FONT || font_type == ANSI_FONT); | |
cabb23bc | 1209 | |
82f9d565 | 1210 | old_font = SelectObject (hdc, font->hfont); |
791f420f | 1211 | |
dfaaaafb | 1212 | if ((font->tm.tmPitchAndFamily & TMPF_TRUETYPE) != 0) |
791f420f | 1213 | { |
dfaaaafb AI |
1214 | ABC char_widths; |
1215 | ||
1216 | if (font_type == UNICODE_FONT) | |
1217 | retval = GetCharABCWidthsW (hdc, *char2b, *char2b, &char_widths); | |
82f9d565 | 1218 | else |
dfaaaafb AI |
1219 | retval = GetCharABCWidthsA (hdc, *char2b, *char2b, &char_widths); |
1220 | ||
1221 | if (retval) | |
1222 | { | |
f6dd0c50 JR |
1223 | #if 0 |
1224 | /* Disabled until we can find a way to get the right results | |
1225 | on all versions of Windows. */ | |
1226 | ||
73dc743c JR |
1227 | /* Don't trust the ABC widths. For synthesized fonts they are |
1228 | wrong, and so is the result of GetCharWidth()! */ | |
1229 | int real_width; | |
1230 | GetCharWidth (hdc, *char2b, *char2b, &real_width); | |
f6dd0c50 | 1231 | #endif |
dfaaaafb | 1232 | pcm->width = char_widths.abcA + char_widths.abcB + char_widths.abcC; |
f6dd0c50 | 1233 | #if 0 |
73dc743c JR |
1234 | /* As far as I can tell, this is the best way to determine what |
1235 | ExtTextOut will do with the broken font. */ | |
1236 | if (pcm->width != real_width) | |
1237 | pcm->width = (pcm->width + real_width) / 2; | |
f6dd0c50 | 1238 | #endif |
dfaaaafb | 1239 | pcm->lbearing = char_widths.abcA; |
73dc743c | 1240 | pcm->rbearing = char_widths.abcA + char_widths.abcB; |
82f9d565 AI |
1241 | pcm->ascent = FONT_BASE (font); |
1242 | pcm->descent = FONT_DESCENT (font); | |
dfaaaafb | 1243 | } |
791f420f | 1244 | } |
82f9d565 AI |
1245 | |
1246 | if (!retval) | |
791f420f | 1247 | { |
82f9d565 AI |
1248 | /* Either font is not a True-type font, or GetCharABCWidthsW |
1249 | failed (it is not supported on Windows 9x for instance), so we | |
1250 | can't determine the full info we would like. All is not lost | |
1251 | though - we can call GetTextExtentPoint32 to get rbearing and | |
1252 | deduce width based on the font's per-string overhang. lbearing | |
1253 | is assumed to be zero. */ | |
01b220b6 JR |
1254 | |
1255 | /* TODO: Some Thai characters (and other composites if Windows | |
1256 | supports them) do have lbearing, and report their total width | |
1257 | as zero. Need some way of handling them when | |
1258 | GetCharABCWidthsW fails. */ | |
82f9d565 AI |
1259 | SIZE sz; |
1260 | ||
1261 | if (font_type == UNICODE_FONT) | |
1262 | retval = GetTextExtentPoint32W (hdc, char2b, 1, &sz); | |
1263 | else | |
1264 | retval = GetTextExtentPoint32A (hdc, (char*)char2b, 1, &sz); | |
791f420f JR |
1265 | |
1266 | if (retval) | |
dfaaaafb | 1267 | { |
82f9d565 AI |
1268 | pcm->width = sz.cx - font->tm.tmOverhang; |
1269 | pcm->rbearing = sz.cx; | |
dfaaaafb | 1270 | pcm->lbearing = 0; |
82f9d565 AI |
1271 | pcm->ascent = FONT_BASE (font); |
1272 | pcm->descent = FONT_DESCENT (font); | |
dfaaaafb | 1273 | } |
791f420f JR |
1274 | } |
1275 | ||
791f420f | 1276 | |
93ff4395 JR |
1277 | if (pcm->width == 0 && (pcm->rbearing - pcm->lbearing) == 0) |
1278 | { | |
82f9d565 | 1279 | retval = FALSE; |
93ff4395 JR |
1280 | } |
1281 | ||
82f9d565 AI |
1282 | SelectObject (hdc, old_font); |
1283 | ReleaseDC (NULL, hdc); | |
1284 | ||
1285 | return retval; | |
1286 | } | |
1287 | ||
1288 | ||
1289 | static XCharStruct * | |
1290 | w32_per_char_metric (font, char2b, font_type) | |
1291 | XFontStruct *font; | |
1292 | wchar_t *char2b; | |
1293 | enum w32_char_font_type font_type; | |
1294 | { | |
1295 | /* The result metric information. */ | |
1296 | XCharStruct *pcm; | |
1297 | BOOL retval; | |
1298 | ||
1299 | xassert (font && char2b); | |
1300 | xassert (font_type != UNKNOWN_FONT); | |
1301 | ||
1302 | /* Handle the common cases quickly. */ | |
4b99045f | 1303 | if (!font->bdf && font->per_char == NULL) |
82f9d565 AI |
1304 | /* TODO: determine whether char2b exists in font? */ |
1305 | return &font->max_bounds; | |
4b99045f | 1306 | else if (!font->bdf && *char2b < 128) |
82f9d565 AI |
1307 | return &font->per_char[*char2b]; |
1308 | ||
1309 | pcm = &font->scratch; | |
1310 | ||
1311 | if (font_type == BDF_1D_FONT) | |
1312 | retval = w32_bdf_per_char_metric (font, char2b, 1, pcm); | |
1313 | else if (font_type == BDF_2D_FONT) | |
1314 | retval = w32_bdf_per_char_metric (font, char2b, 2, pcm); | |
1315 | else | |
1316 | retval = w32_native_per_char_metric (font, char2b, font_type, pcm); | |
1317 | ||
1318 | if (retval) | |
1319 | return pcm; | |
1320 | ||
1321 | return NULL; | |
1322 | } | |
1323 | ||
1324 | void | |
1325 | w32_cache_char_metrics (font) | |
1326 | XFontStruct *font; | |
1327 | { | |
1328 | wchar_t char2b = L'x'; | |
1329 | ||
1330 | /* Cache char metrics for the common cases. */ | |
1331 | if (font->bdf) | |
1332 | { | |
1333 | /* TODO: determine whether font is fixed-pitch. */ | |
00c96995 JR |
1334 | if (!w32_bdf_per_char_metric (font, &char2b, 1, &font->max_bounds)) |
1335 | { | |
1336 | /* Use the font width and height as max bounds, as not all BDF | |
1337 | fonts contain the letter 'x'. */ | |
1338 | font->max_bounds.width = FONT_MAX_WIDTH (font); | |
1339 | font->max_bounds.lbearing = -font->bdf->llx; | |
1340 | font->max_bounds.rbearing = FONT_MAX_WIDTH (font) - font->bdf->urx; | |
1341 | font->max_bounds.ascent = FONT_BASE (font); | |
1342 | font->max_bounds.descent = FONT_DESCENT (font); | |
1343 | } | |
82f9d565 AI |
1344 | } |
1345 | else | |
1346 | { | |
f1eed8ff JR |
1347 | if (((font->tm.tmPitchAndFamily & TMPF_FIXED_PITCH) != 0) |
1348 | /* Some fonts (eg DBCS fonts) are marked as fixed width even | |
1349 | though they contain characters of different widths. */ | |
1350 | || (font->tm.tmMaxCharWidth != font->tm.tmAveCharWidth)) | |
82f9d565 AI |
1351 | { |
1352 | /* Font is not fixed pitch, so cache per_char info for the | |
1353 | ASCII characters. It would be much more work, and probably | |
1354 | not worth it, to cache other chars, since we may change | |
1355 | between using Unicode and ANSI text drawing functions at | |
1356 | run-time. */ | |
1357 | int i; | |
1358 | ||
1359 | font->per_char = xmalloc (128 * sizeof(XCharStruct)); | |
1360 | for (i = 0; i < 128; i++) | |
1361 | { | |
1362 | char2b = i; | |
1363 | w32_native_per_char_metric (font, &char2b, ANSI_FONT, | |
1364 | &font->per_char[i]); | |
1365 | } | |
1366 | } | |
1367 | else | |
1368 | w32_native_per_char_metric (font, &char2b, ANSI_FONT, | |
1369 | &font->max_bounds); | |
1370 | } | |
791f420f JR |
1371 | } |
1372 | ||
1373 | ||
9ef2e2cf JR |
1374 | /* Determine if a font is double byte. */ |
1375 | int w32_font_is_double_byte (XFontStruct *font) | |
1376 | { | |
1377 | return font->double_byte_p; | |
1378 | } | |
1379 | ||
1380 | ||
d6ff54d5 JR |
1381 | static BOOL |
1382 | w32_use_unicode_for_codepage (codepage) | |
1383 | int codepage; | |
1384 | { | |
1385 | /* If the current codepage is supported, use Unicode for output. */ | |
1386 | return (w32_enable_unicode_output | |
1387 | && codepage != CP_8BIT | |
1388 | && (codepage == CP_UNICODE || IsValidCodePage (codepage))); | |
1389 | } | |
1390 | ||
791f420f JR |
1391 | /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is |
1392 | the two-byte form of C. Encoding is returned in *CHAR2B. */ | |
1393 | ||
9ef2e2cf JR |
1394 | static INLINE enum w32_char_font_type |
1395 | w32_encode_char (c, char2b, font_info, two_byte_p) | |
791f420f JR |
1396 | int c; |
1397 | wchar_t *char2b; | |
1398 | struct font_info *font_info; | |
9ef2e2cf | 1399 | int * two_byte_p; |
791f420f JR |
1400 | { |
1401 | int charset = CHAR_CHARSET (c); | |
1402 | int codepage; | |
9ef2e2cf JR |
1403 | int unicode_p = 0; |
1404 | ||
791f420f JR |
1405 | XFontStruct *font = font_info->font; |
1406 | ||
9127e20e | 1407 | xassert (two_byte_p); |
9ef2e2cf JR |
1408 | |
1409 | *two_byte_p = w32_font_is_double_byte (font); | |
1410 | ||
791f420f JR |
1411 | /* FONT_INFO may define a scheme by which to encode byte1 and byte2. |
1412 | This may be either a program in a special encoder language or a | |
1413 | fixed encoding. */ | |
1414 | if (font_info->font_encoder) | |
1415 | { | |
1416 | /* It's a program. */ | |
1417 | struct ccl_program *ccl = font_info->font_encoder; | |
1418 | ||
1419 | if (CHARSET_DIMENSION (charset) == 1) | |
1420 | { | |
1421 | ccl->reg[0] = charset; | |
1422 | ccl->reg[1] = BYTE2 (*char2b); | |
1423 | } | |
1424 | else | |
1425 | { | |
1426 | ccl->reg[0] = charset; | |
1427 | ccl->reg[1] = BYTE1 (*char2b); | |
1428 | ccl->reg[2] = BYTE2 (*char2b); | |
1429 | } | |
1430 | ||
1431 | ccl_driver (ccl, NULL, NULL, 0, 0, NULL); | |
1432 | ||
1433 | /* We assume that MSBs are appropriately set/reset by CCL | |
1434 | program. */ | |
9ef2e2cf | 1435 | if (!*two_byte_p) /* 1-byte font */ |
791f420f | 1436 | *char2b = BUILD_WCHAR_T (0, ccl->reg[1]); |
791f420f JR |
1437 | else |
1438 | *char2b = BUILD_WCHAR_T (ccl->reg[1], ccl->reg[2]); | |
791f420f JR |
1439 | } |
1440 | else if (font_info->encoding[charset]) | |
1441 | { | |
1442 | /* Fixed encoding scheme. See fontset.h for the meaning of the | |
1443 | encoding numbers. */ | |
1444 | int enc = font_info->encoding[charset]; | |
1445 | ||
1446 | if ((enc == 1 || enc == 2) | |
1447 | && CHARSET_DIMENSION (charset) == 2) | |
1448 | *char2b = BUILD_WCHAR_T (BYTE1 (*char2b) | 0x80, BYTE2 (*char2b)); | |
1449 | ||
1450 | if (enc == 1 || enc == 3 | |
1451 | || (enc == 4 && CHARSET_DIMENSION (charset) == 1)) | |
1452 | *char2b = BUILD_WCHAR_T (BYTE1 (*char2b), BYTE2 (*char2b) | 0x80); | |
1453 | else if (enc == 4) | |
1454 | { | |
1455 | int sjis1, sjis2; | |
1456 | ||
1457 | ENCODE_SJIS (BYTE1 (*char2b), BYTE2 (*char2b), | |
1458 | sjis1, sjis2); | |
1459 | *char2b = BUILD_WCHAR_T (sjis1, sjis2); | |
1460 | } | |
1461 | } | |
0e804d38 | 1462 | codepage = font_info->codepage; |
791f420f JR |
1463 | |
1464 | /* If charset is not ASCII or Latin-1, may need to move it into | |
1465 | Unicode space. */ | |
1466 | if ( font && !font->bdf && w32_use_unicode_for_codepage (codepage) | |
49be9f70 JR |
1467 | && charset != CHARSET_ASCII && charset != charset_latin_iso8859_1 |
1468 | && charset != CHARSET_8_BIT_CONTROL && charset != CHARSET_8_BIT_GRAPHIC) | |
791f420f JR |
1469 | { |
1470 | char temp[3]; | |
1471 | temp[0] = BYTE1 (*char2b); | |
1472 | temp[1] = BYTE2 (*char2b); | |
1473 | temp[2] = '\0'; | |
02f593f3 JR |
1474 | if (codepage != CP_UNICODE) |
1475 | { | |
1476 | if (temp[0]) | |
1477 | MultiByteToWideChar (codepage, 0, temp, 2, char2b, 1); | |
1478 | else | |
1479 | MultiByteToWideChar (codepage, 0, temp+1, 1, char2b, 1); | |
1480 | } | |
9ef2e2cf JR |
1481 | unicode_p = 1; |
1482 | *two_byte_p = 1; | |
1483 | } | |
1484 | if (!font) | |
1485 | return UNKNOWN_FONT; | |
9127e20e JR |
1486 | else if (font->bdf && CHARSET_DIMENSION (charset) == 1) |
1487 | return BDF_1D_FONT; | |
9ef2e2cf | 1488 | else if (font->bdf) |
9127e20e | 1489 | return BDF_2D_FONT; |
9ef2e2cf JR |
1490 | else if (unicode_p) |
1491 | return UNICODE_FONT; | |
1492 | else | |
1493 | return ANSI_FONT; | |
791f420f JR |
1494 | } |
1495 | ||
1496 | ||
1497 | /* Get face and two-byte form of character C in face FACE_ID on frame | |
1498 | F. The encoding of C is returned in *CHAR2B. MULTIBYTE_P non-zero | |
1499 | means we want to display multibyte text. Value is a pointer to a | |
1500 | realized face that is ready for display. */ | |
1501 | ||
1502 | static INLINE struct face * | |
1503 | x_get_char_face_and_encoding (f, c, face_id, char2b, multibyte_p) | |
1504 | struct frame *f; | |
1505 | int c, face_id; | |
1506 | wchar_t *char2b; | |
1507 | int multibyte_p; | |
1508 | { | |
1509 | struct face *face = FACE_FROM_ID (f, face_id); | |
1510 | ||
1511 | if (!multibyte_p) | |
1512 | { | |
1513 | /* Unibyte case. We don't have to encode, but we have to make | |
1514 | sure to use a face suitable for unibyte. */ | |
1515 | *char2b = BUILD_WCHAR_T (0, c); | |
93ff4395 JR |
1516 | face_id = FACE_FOR_CHAR (f, face, c); |
1517 | face = FACE_FROM_ID (f, face_id); | |
791f420f JR |
1518 | } |
1519 | else if (c < 128 && face_id < BASIC_FACE_ID_SENTINEL) | |
1520 | { | |
1521 | /* Case of ASCII in a face known to fit ASCII. */ | |
1522 | *char2b = BUILD_WCHAR_T (0, c); | |
1523 | } | |
1524 | else | |
1525 | { | |
1526 | int c1, c2, charset; | |
1527 | ||
1528 | /* Split characters into bytes. If c2 is -1 afterwards, C is | |
1529 | really a one-byte character so that byte1 is zero. */ | |
1530 | SPLIT_CHAR (c, charset, c1, c2); | |
1531 | if (c2 > 0) | |
1532 | *char2b = BUILD_WCHAR_T (c1, c2); | |
1533 | else | |
1534 | *char2b = BUILD_WCHAR_T (0, c1); | |
791f420f JR |
1535 | |
1536 | /* Maybe encode the character in *CHAR2B. */ | |
93ff4395 | 1537 | if (face->font != NULL) |
791f420f JR |
1538 | { |
1539 | struct font_info *font_info | |
1540 | = FONT_INFO_FROM_ID (f, face->font_info_id); | |
1541 | if (font_info) | |
9ef2e2cf | 1542 | w32_encode_char (c, char2b, font_info, &multibyte_p); |
791f420f JR |
1543 | } |
1544 | } | |
1545 | ||
1546 | /* Make sure X resources of the face are allocated. */ | |
1547 | xassert (face != NULL); | |
1548 | PREPARE_FACE_FOR_DISPLAY (f, face); | |
1549 | ||
1550 | return face; | |
1551 | } | |
1552 | ||
1553 | ||
1554 | /* Get face and two-byte form of character glyph GLYPH on frame F. | |
1555 | The encoding of GLYPH->u.ch is returned in *CHAR2B. Value is | |
1556 | a pointer to a realized face that is ready for display. */ | |
1557 | ||
1558 | static INLINE struct face * | |
93ff4395 | 1559 | x_get_glyph_face_and_encoding (f, glyph, char2b, two_byte_p) |
791f420f JR |
1560 | struct frame *f; |
1561 | struct glyph *glyph; | |
1562 | wchar_t *char2b; | |
93ff4395 | 1563 | int *two_byte_p; |
791f420f JR |
1564 | { |
1565 | struct face *face; | |
9ef2e2cf | 1566 | int dummy = 0; |
791f420f JR |
1567 | |
1568 | xassert (glyph->type == CHAR_GLYPH); | |
1569 | face = FACE_FROM_ID (f, glyph->face_id); | |
1570 | ||
93ff4395 JR |
1571 | if (two_byte_p) |
1572 | *two_byte_p = 0; | |
9ef2e2cf JR |
1573 | else |
1574 | two_byte_p = &dummy; | |
93ff4395 | 1575 | |
791f420f JR |
1576 | if (!glyph->multibyte_p) |
1577 | { | |
1578 | /* Unibyte case. We don't have to encode, but we have to make | |
1579 | sure to use a face suitable for unibyte. */ | |
1580 | *char2b = BUILD_WCHAR_T (0, glyph->u.ch); | |
1581 | } | |
1582 | else if (glyph->u.ch < 128 | |
1583 | && glyph->face_id < BASIC_FACE_ID_SENTINEL) | |
1584 | { | |
1585 | /* Case of ASCII in a face known to fit ASCII. */ | |
1586 | *char2b = BUILD_WCHAR_T (0, glyph->u.ch); | |
1587 | } | |
1588 | else | |
1589 | { | |
1590 | int c1, c2, charset; | |
1591 | ||
1592 | /* Split characters into bytes. If c2 is -1 afterwards, C is | |
1593 | really a one-byte character so that byte1 is zero. */ | |
1594 | SPLIT_CHAR (glyph->u.ch, charset, c1, c2); | |
1595 | if (c2 > 0) | |
1596 | *char2b = BUILD_WCHAR_T (c1, c2); | |
1597 | else | |
1598 | *char2b = BUILD_WCHAR_T (0, c1); | |
1599 | ||
1600 | /* Maybe encode the character in *CHAR2B. */ | |
1601 | if (charset != CHARSET_ASCII) | |
1602 | { | |
1603 | struct font_info *font_info | |
1604 | = FONT_INFO_FROM_ID (f, face->font_info_id); | |
1605 | if (font_info) | |
1606 | { | |
9ef2e2cf JR |
1607 | glyph->w32_font_type |
1608 | = w32_encode_char (glyph->u.ch, char2b, font_info, two_byte_p); | |
791f420f JR |
1609 | } |
1610 | } | |
1611 | } | |
1612 | ||
1613 | /* Make sure X resources of the face are allocated. */ | |
1614 | xassert (face != NULL); | |
1615 | PREPARE_FACE_FOR_DISPLAY (f, face); | |
1616 | return face; | |
1617 | } | |
1618 | ||
1619 | ||
1620 | /* Store one glyph for IT->char_to_display in IT->glyph_row. | |
1621 | Called from x_produce_glyphs when IT->glyph_row is non-null. */ | |
1622 | ||
1623 | static INLINE void | |
1624 | x_append_glyph (it) | |
1625 | struct it *it; | |
1626 | { | |
1627 | struct glyph *glyph; | |
1628 | enum glyph_row_area area = it->area; | |
1629 | ||
1630 | xassert (it->glyph_row); | |
1631 | xassert (it->char_to_display != '\n' && it->char_to_display != '\t'); | |
1632 | ||
1633 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1634 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1635 | { | |
791f420f JR |
1636 | glyph->charpos = CHARPOS (it->position); |
1637 | glyph->object = it->object; | |
ec48c3a7 | 1638 | glyph->pixel_width = it->pixel_width; |
791f420f | 1639 | glyph->voffset = it->voffset; |
ec48c3a7 | 1640 | glyph->type = CHAR_GLYPH; |
791f420f | 1641 | glyph->multibyte_p = it->multibyte_p; |
ec48c3a7 JR |
1642 | glyph->left_box_line_p = it->start_of_box_run_p; |
1643 | glyph->right_box_line_p = it->end_of_box_run_p; | |
791f420f JR |
1644 | glyph->overlaps_vertically_p = (it->phys_ascent > it->ascent |
1645 | || it->phys_descent > it->descent); | |
ec48c3a7 | 1646 | glyph->padding_p = 0; |
93ff4395 | 1647 | glyph->glyph_not_available_p = it->glyph_not_available_p; |
ec48c3a7 JR |
1648 | glyph->face_id = it->face_id; |
1649 | glyph->u.ch = it->char_to_display; | |
1650 | glyph->w32_font_type = UNKNOWN_FONT; | |
791f420f JR |
1651 | ++it->glyph_row->used[area]; |
1652 | } | |
1653 | } | |
1654 | ||
1655 | /* Store one glyph for the composition IT->cmp_id in IT->glyph_row. | |
1656 | Called from x_produce_glyphs when IT->glyph_row is non-null. */ | |
1657 | ||
1658 | static INLINE void | |
1659 | x_append_composite_glyph (it) | |
1660 | struct it *it; | |
1661 | { | |
1662 | struct glyph *glyph; | |
1663 | enum glyph_row_area area = it->area; | |
1664 | ||
1665 | xassert (it->glyph_row); | |
1666 | ||
1667 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1668 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1669 | { | |
791f420f JR |
1670 | glyph->charpos = CHARPOS (it->position); |
1671 | glyph->object = it->object; | |
ec48c3a7 | 1672 | glyph->pixel_width = it->pixel_width; |
791f420f | 1673 | glyph->voffset = it->voffset; |
ec48c3a7 | 1674 | glyph->type = COMPOSITE_GLYPH; |
791f420f | 1675 | glyph->multibyte_p = it->multibyte_p; |
ec48c3a7 JR |
1676 | glyph->left_box_line_p = it->start_of_box_run_p; |
1677 | glyph->right_box_line_p = it->end_of_box_run_p; | |
791f420f JR |
1678 | glyph->overlaps_vertically_p = (it->phys_ascent > it->ascent |
1679 | || it->phys_descent > it->descent); | |
ec48c3a7 JR |
1680 | glyph->padding_p = 0; |
1681 | glyph->glyph_not_available_p = 0; | |
1682 | glyph->face_id = it->face_id; | |
1683 | glyph->u.cmp_id = it->cmp_id; | |
1684 | glyph->w32_font_type = UNKNOWN_FONT; | |
791f420f JR |
1685 | ++it->glyph_row->used[area]; |
1686 | } | |
1687 | } | |
1688 | ||
1689 | ||
1690 | /* Change IT->ascent and IT->height according to the setting of | |
1691 | IT->voffset. */ | |
1692 | ||
1693 | static INLINE void | |
1694 | take_vertical_position_into_account (it) | |
1695 | struct it *it; | |
1696 | { | |
1697 | if (it->voffset) | |
1698 | { | |
1699 | if (it->voffset < 0) | |
1700 | /* Increase the ascent so that we can display the text higher | |
1701 | in the line. */ | |
1702 | it->ascent += abs (it->voffset); | |
1703 | else | |
1704 | /* Increase the descent so that we can display the text lower | |
1705 | in the line. */ | |
1706 | it->descent += it->voffset; | |
1707 | } | |
1708 | } | |
1709 | ||
1710 | ||
1711 | /* Produce glyphs/get display metrics for the image IT is loaded with. | |
1712 | See the description of struct display_iterator in dispextern.h for | |
1713 | an overview of struct display_iterator. */ | |
1714 | ||
1715 | static void | |
1716 | x_produce_image_glyph (it) | |
1717 | struct it *it; | |
1718 | { | |
1719 | struct image *img; | |
1720 | struct face *face; | |
1721 | ||
1722 | xassert (it->what == IT_IMAGE); | |
1723 | ||
1724 | face = FACE_FROM_ID (it->f, it->face_id); | |
1725 | img = IMAGE_FROM_ID (it->f, it->image_id); | |
1726 | xassert (img); | |
1727 | ||
1728 | /* Make sure X resources of the face and image are loaded. */ | |
1729 | PREPARE_FACE_FOR_DISPLAY (it->f, face); | |
1730 | prepare_image_for_display (it->f, img); | |
1731 | ||
9ef2e2cf | 1732 | it->ascent = it->phys_ascent = image_ascent (img, face); |
d6ff54d5 JR |
1733 | it->descent = it->phys_descent = img->height + 2 * img->vmargin - it->ascent; |
1734 | it->pixel_width = img->width + 2 * img->hmargin; | |
791f420f JR |
1735 | |
1736 | it->nglyphs = 1; | |
1737 | ||
1738 | if (face->box != FACE_NO_BOX) | |
1739 | { | |
60222d69 AI |
1740 | if (face->box_line_width > 0) |
1741 | { | |
1742 | it->ascent += face->box_line_width; | |
1743 | it->descent += face->box_line_width; | |
1744 | } | |
791f420f JR |
1745 | |
1746 | if (it->start_of_box_run_p) | |
60222d69 | 1747 | it->pixel_width += abs (face->box_line_width); |
791f420f | 1748 | if (it->end_of_box_run_p) |
60222d69 | 1749 | it->pixel_width += abs (face->box_line_width); |
791f420f JR |
1750 | } |
1751 | ||
1752 | take_vertical_position_into_account (it); | |
1753 | ||
1754 | if (it->glyph_row) | |
1755 | { | |
1756 | struct glyph *glyph; | |
1757 | enum glyph_row_area area = it->area; | |
1758 | ||
1759 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1760 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1761 | { | |
791f420f JR |
1762 | glyph->charpos = CHARPOS (it->position); |
1763 | glyph->object = it->object; | |
ec48c3a7 | 1764 | glyph->pixel_width = it->pixel_width; |
791f420f | 1765 | glyph->voffset = it->voffset; |
ec48c3a7 | 1766 | glyph->type = IMAGE_GLYPH; |
791f420f | 1767 | glyph->multibyte_p = it->multibyte_p; |
ec48c3a7 JR |
1768 | glyph->left_box_line_p = it->start_of_box_run_p; |
1769 | glyph->right_box_line_p = it->end_of_box_run_p; | |
1770 | glyph->overlaps_vertically_p = 0; | |
1771 | glyph->padding_p = 0; | |
1772 | glyph->glyph_not_available_p = 0; | |
1773 | glyph->face_id = it->face_id; | |
1774 | glyph->u.img_id = img->id; | |
1775 | glyph->w32_font_type = UNKNOWN_FONT; | |
791f420f JR |
1776 | ++it->glyph_row->used[area]; |
1777 | } | |
1778 | } | |
1779 | } | |
1780 | ||
1781 | ||
1782 | /* Append a stretch glyph to IT->glyph_row. OBJECT is the source | |
1783 | of the glyph, WIDTH and HEIGHT are the width and height of the | |
1784 | stretch. ASCENT is the percentage/100 of HEIGHT to use for the | |
1785 | ascent of the glyph (0 <= ASCENT <= 1). */ | |
1786 | ||
1787 | static void | |
1788 | x_append_stretch_glyph (it, object, width, height, ascent) | |
1789 | struct it *it; | |
1790 | Lisp_Object object; | |
1791 | int width, height; | |
1792 | double ascent; | |
1793 | { | |
1794 | struct glyph *glyph; | |
1795 | enum glyph_row_area area = it->area; | |
1796 | ||
1797 | xassert (ascent >= 0 && ascent <= 1); | |
1798 | ||
1799 | glyph = it->glyph_row->glyphs[area] + it->glyph_row->used[area]; | |
1800 | if (glyph < it->glyph_row->glyphs[area + 1]) | |
1801 | { | |
791f420f JR |
1802 | glyph->charpos = CHARPOS (it->position); |
1803 | glyph->object = object; | |
ec48c3a7 | 1804 | glyph->pixel_width = width; |
791f420f | 1805 | glyph->voffset = it->voffset; |
ec48c3a7 | 1806 | glyph->type = STRETCH_GLYPH; |
791f420f | 1807 | glyph->multibyte_p = it->multibyte_p; |
ec48c3a7 JR |
1808 | glyph->left_box_line_p = it->start_of_box_run_p; |
1809 | glyph->right_box_line_p = it->end_of_box_run_p; | |
1810 | glyph->overlaps_vertically_p = 0; | |
1811 | glyph->padding_p = 0; | |
1812 | glyph->glyph_not_available_p = 0; | |
1813 | glyph->face_id = it->face_id; | |
1814 | glyph->u.stretch.ascent = height * ascent; | |
1815 | glyph->u.stretch.height = height; | |
1816 | glyph->w32_font_type = UNKNOWN_FONT; | |
791f420f JR |
1817 | ++it->glyph_row->used[area]; |
1818 | } | |
1819 | } | |
1820 | ||
1821 | ||
1822 | /* Produce a stretch glyph for iterator IT. IT->object is the value | |
1823 | of the glyph property displayed. The value must be a list | |
1824 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1825 | being recognized: | |
1826 | ||
1827 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1828 | canonical char width wide. WIDTH may be an integer or floating | |
1829 | point number. | |
1830 | ||
1831 | 2. `:relative-width FACTOR' specifies that the width of the stretch | |
1832 | should be computed from the width of the first character having the | |
1833 | `glyph' property, and should be FACTOR times that width. | |
1834 | ||
1835 | 3. `:align-to HPOS' specifies that the space should be wide enough | |
1836 | to reach HPOS, a value in canonical character units. | |
1837 | ||
1838 | Exactly one of the above pairs must be present. | |
1839 | ||
1840 | 4. `:height HEIGHT' specifies that the height of the stretch produced | |
1841 | should be HEIGHT, measured in canonical character units. | |
1842 | ||
269b7745 | 1843 | 5. `:relative-height FACTOR' specifies that the height of the |
791f420f JR |
1844 | stretch should be FACTOR times the height of the characters having |
1845 | the glyph property. | |
1846 | ||
1847 | Either none or exactly one of 4 or 5 must be present. | |
1848 | ||
1849 | 6. `:ascent ASCENT' specifies that ASCENT percent of the height | |
1850 | of the stretch should be used for the ascent of the stretch. | |
1851 | ASCENT must be in the range 0 <= ASCENT <= 100. */ | |
1852 | ||
1853 | #define NUMVAL(X) \ | |
1854 | ((INTEGERP (X) || FLOATP (X)) \ | |
1855 | ? XFLOATINT (X) \ | |
1856 | : - 1) | |
1857 | ||
1858 | ||
1859 | static void | |
1860 | x_produce_stretch_glyph (it) | |
1861 | struct it *it; | |
1862 | { | |
1863 | /* (space :width WIDTH :height HEIGHT. */ | |
c2cc16fa JR |
1864 | #if GLYPH_DEBUG |
1865 | extern Lisp_Object Qspace; | |
1866 | #endif | |
1867 | extern Lisp_Object QCwidth, QCheight, QCascent; | |
791f420f JR |
1868 | extern Lisp_Object QCrelative_width, QCrelative_height; |
1869 | extern Lisp_Object QCalign_to; | |
1870 | Lisp_Object prop, plist; | |
1871 | double width = 0, height = 0, ascent = 0; | |
1872 | struct face *face = FACE_FROM_ID (it->f, it->face_id); | |
1873 | XFontStruct *font = face->font ? face->font : FRAME_FONT (it->f); | |
1874 | ||
1875 | PREPARE_FACE_FOR_DISPLAY (it->f, face); | |
1876 | ||
1877 | /* List should start with `space'. */ | |
1878 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1879 | plist = XCDR (it->object); | |
1880 | ||
1881 | /* Compute the width of the stretch. */ | |
1882 | if (prop = Fplist_get (plist, QCwidth), | |
1883 | NUMVAL (prop) > 0) | |
1884 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1885 | width = NUMVAL (prop) * CANON_X_UNIT (it->f); | |
1886 | else if (prop = Fplist_get (plist, QCrelative_width), | |
1887 | NUMVAL (prop) > 0) | |
1888 | { | |
1889 | /* Relative width `:relative-width FACTOR' specified and valid. | |
1890 | Compute the width of the characters having the `glyph' | |
1891 | property. */ | |
1892 | struct it it2; | |
1893 | unsigned char *p = BYTE_POS_ADDR (IT_BYTEPOS (*it)); | |
1894 | ||
1895 | it2 = *it; | |
1896 | if (it->multibyte_p) | |
1897 | { | |
1898 | int maxlen = ((IT_BYTEPOS (*it) >= GPT ? ZV : GPT) | |
1899 | - IT_BYTEPOS (*it)); | |
1900 | it2.c = STRING_CHAR_AND_LENGTH (p, maxlen, it2.len); | |
1901 | } | |
1902 | else | |
1903 | it2.c = *p, it2.len = 1; | |
1904 | ||
1905 | it2.glyph_row = NULL; | |
1906 | it2.what = IT_CHARACTER; | |
1907 | x_produce_glyphs (&it2); | |
1908 | width = NUMVAL (prop) * it2.pixel_width; | |
1909 | } | |
1910 | else if (prop = Fplist_get (plist, QCalign_to), | |
1911 | NUMVAL (prop) > 0) | |
1912 | width = NUMVAL (prop) * CANON_X_UNIT (it->f) - it->current_x; | |
1913 | else | |
1914 | /* Nothing specified -> width defaults to canonical char width. */ | |
1915 | width = CANON_X_UNIT (it->f); | |
1916 | ||
1917 | /* Compute height. */ | |
1918 | if (prop = Fplist_get (plist, QCheight), | |
1919 | NUMVAL (prop) > 0) | |
1920 | height = NUMVAL (prop) * CANON_Y_UNIT (it->f); | |
1921 | else if (prop = Fplist_get (plist, QCrelative_height), | |
1922 | NUMVAL (prop) > 0) | |
1923 | height = FONT_HEIGHT (font) * NUMVAL (prop); | |
1924 | else | |
1925 | height = FONT_HEIGHT (font); | |
1926 | ||
1927 | /* Compute percentage of height used for ascent. If | |
1928 | `:ascent ASCENT' is present and valid, use that. Otherwise, | |
1929 | derive the ascent from the font in use. */ | |
1930 | if (prop = Fplist_get (plist, QCascent), | |
1931 | NUMVAL (prop) > 0 && NUMVAL (prop) <= 100) | |
1932 | ascent = NUMVAL (prop) / 100.0; | |
1933 | else | |
1934 | ascent = (double) FONT_BASE (font) / FONT_HEIGHT (font); | |
1935 | ||
1936 | if (width <= 0) | |
1937 | width = 1; | |
1938 | if (height <= 0) | |
1939 | height = 1; | |
1940 | ||
1941 | if (it->glyph_row) | |
1942 | { | |
1943 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1944 | if (!STRINGP (object)) | |
1945 | object = it->w->buffer; | |
1946 | x_append_stretch_glyph (it, object, width, height, ascent); | |
1947 | } | |
1948 | ||
1949 | it->pixel_width = width; | |
1950 | it->ascent = it->phys_ascent = height * ascent; | |
1951 | it->descent = it->phys_descent = height - it->ascent; | |
1952 | it->nglyphs = 1; | |
1953 | ||
1954 | if (face->box != FACE_NO_BOX) | |
1955 | { | |
60222d69 AI |
1956 | if (face->box_line_width > 0) |
1957 | { | |
1958 | it->ascent += face->box_line_width; | |
1959 | it->descent += face->box_line_width; | |
1960 | } | |
791f420f JR |
1961 | |
1962 | if (it->start_of_box_run_p) | |
60222d69 | 1963 | it->pixel_width += abs (face->box_line_width); |
791f420f | 1964 | if (it->end_of_box_run_p) |
60222d69 | 1965 | it->pixel_width += abs (face->box_line_width); |
791f420f JR |
1966 | } |
1967 | ||
1968 | take_vertical_position_into_account (it); | |
1969 | } | |
1970 | ||
1971 | /* Return proper value to be used as baseline offset of font that has | |
1972 | ASCENT and DESCENT to draw characters by the font at the vertical | |
1973 | center of the line of frame F. | |
1974 | ||
1975 | Here, out task is to find the value of BOFF in the following figure; | |
1976 | ||
1977 | -------------------------+-----------+- | |
1978 | -+-+---------+-+ | | | |
1979 | | | | | | | | |
1980 | | | | | F_ASCENT F_HEIGHT | |
1981 | | | | ASCENT | | | |
1982 | HEIGHT | | | | | | |
1983 | | | |-|-+------+-----------|------- baseline | |
1984 | | | | | BOFF | | | |
1985 | | |---------|-+-+ | | | |
1986 | | | | DESCENT | | | |
1987 | -+-+---------+-+ F_DESCENT | | |
1988 | -------------------------+-----------+- | |
1989 | ||
1990 | -BOFF + DESCENT + (F_HEIGHT - HEIGHT) / 2 = F_DESCENT | |
1991 | BOFF = DESCENT + (F_HEIGHT - HEIGHT) / 2 - F_DESCENT | |
1992 | DESCENT = FONT->descent | |
1993 | HEIGHT = FONT_HEIGHT (FONT) | |
1994 | F_DESCENT = (F->output_data.x->font->descent | |
1995 | - F->output_data.x->baseline_offset) | |
1996 | F_HEIGHT = FRAME_LINE_HEIGHT (F) | |
1997 | */ | |
1998 | ||
1999 | #define VCENTER_BASELINE_OFFSET(FONT, F) \ | |
458f45fa KH |
2000 | (FONT_DESCENT (FONT) \ |
2001 | + (FRAME_LINE_HEIGHT ((F)) - FONT_HEIGHT ((FONT)) \ | |
2002 | + (FRAME_LINE_HEIGHT ((F)) > FONT_HEIGHT ((FONT)))) / 2 \ | |
2003 | - (FONT_DESCENT (FRAME_FONT (F)) - FRAME_BASELINE_OFFSET (F))) | |
791f420f JR |
2004 | |
2005 | /* Produce glyphs/get display metrics for the display element IT is | |
2006 | loaded with. See the description of struct display_iterator in | |
2007 | dispextern.h for an overview of struct display_iterator. */ | |
2008 | ||
2009 | static void | |
2010 | x_produce_glyphs (it) | |
2011 | struct it *it; | |
2012 | { | |
93ff4395 JR |
2013 | it->glyph_not_available_p = 0; |
2014 | ||
791f420f JR |
2015 | if (it->what == IT_CHARACTER) |
2016 | { | |
2017 | wchar_t char2b; | |
2018 | XFontStruct *font; | |
93ff4395 | 2019 | struct face *face = FACE_FROM_ID (it->f, it->face_id); |
791f420f | 2020 | XCharStruct *pcm; |
93ff4395 | 2021 | int font_not_found_p; |
791f420f JR |
2022 | struct font_info *font_info; |
2023 | int boff; /* baseline offset */ | |
2d0c0bd7 JR |
2024 | /* We may change it->multibyte_p upon unibyte<->multibyte |
2025 | conversion. So, save the current value now and restore it | |
2026 | later. | |
2027 | ||
2028 | Note: It seems that we don't have to record multibyte_p in | |
2029 | struct glyph because the character code itself tells if or | |
2030 | not the character is multibyte. Thus, in the future, we must | |
2031 | consider eliminating the field `multibyte_p' in the struct | |
2032 | glyph. | |
2033 | */ | |
2034 | int saved_multibyte_p = it->multibyte_p; | |
791f420f | 2035 | |
93ff4395 JR |
2036 | /* Maybe translate single-byte characters to multibyte, or the |
2037 | other way. */ | |
791f420f | 2038 | it->char_to_display = it->c; |
93ff4395 JR |
2039 | if (!ASCII_BYTE_P (it->c)) |
2040 | { | |
2041 | if (unibyte_display_via_language_environment | |
2042 | && SINGLE_BYTE_CHAR_P (it->c) | |
2043 | && (it->c >= 0240 | |
2044 | || !NILP (Vnonascii_translation_table))) | |
2045 | { | |
2046 | it->char_to_display = unibyte_char_to_multibyte (it->c); | |
2d0c0bd7 | 2047 | it->multibyte_p = 1; |
93ff4395 JR |
2048 | it->face_id = FACE_FOR_CHAR (it->f, face, it->char_to_display); |
2049 | face = FACE_FROM_ID (it->f, it->face_id); | |
2050 | } | |
2051 | else if (!SINGLE_BYTE_CHAR_P (it->c) | |
2052 | && !it->multibyte_p) | |
2053 | { | |
9f5a911b | 2054 | it->multibyte_p = 1; |
93ff4395 JR |
2055 | it->face_id = FACE_FOR_CHAR (it->f, face, it->char_to_display); |
2056 | face = FACE_FROM_ID (it->f, it->face_id); | |
2057 | } | |
2058 | } | |
791f420f | 2059 | |
93ff4395 JR |
2060 | /* Get font to use. Encode IT->char_to_display. */ |
2061 | x_get_char_face_and_encoding (it->f, it->char_to_display, | |
2062 | it->face_id, &char2b, | |
2063 | it->multibyte_p); | |
791f420f JR |
2064 | font = face->font; |
2065 | ||
2066 | /* When no suitable font found, use the default font. */ | |
2067 | font_not_found_p = font == NULL; | |
2068 | if (font_not_found_p) | |
2069 | { | |
2070 | font = FRAME_FONT (it->f); | |
2071 | boff = it->f->output_data.w32->baseline_offset; | |
2072 | font_info = NULL; | |
2073 | } | |
2074 | else | |
2075 | { | |
2076 | font_info = FONT_INFO_FROM_ID (it->f, face->font_info_id); | |
2077 | boff = font_info->baseline_offset; | |
2078 | if (font_info->vertical_centering) | |
2079 | boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff; | |
2080 | } | |
2081 | ||
791f420f JR |
2082 | if (it->char_to_display >= ' ' |
2083 | && (!it->multibyte_p || it->char_to_display < 128)) | |
2084 | { | |
2085 | /* Either unibyte or ASCII. */ | |
2086 | int stretched_p; | |
2087 | ||
2088 | it->nglyphs = 1; | |
2089 | ||
82f9d565 | 2090 | pcm = w32_per_char_metric (font, &char2b, |
9127e20e | 2091 | font->bdf ? BDF_1D_FONT : ANSI_FONT); |
791f420f JR |
2092 | it->ascent = FONT_BASE (font) + boff; |
2093 | it->descent = FONT_DESCENT (font) - boff; | |
791f420f | 2094 | |
9ef2e2cf JR |
2095 | if (pcm) |
2096 | { | |
2097 | it->phys_ascent = pcm->ascent + boff; | |
2098 | it->phys_descent = pcm->descent - boff; | |
2099 | it->pixel_width = pcm->width; | |
2100 | } | |
2101 | else | |
2102 | { | |
2103 | it->glyph_not_available_p = 1; | |
9127e20e JR |
2104 | it->phys_ascent = FONT_BASE (font) + boff; |
2105 | it->phys_descent = FONT_DESCENT (font) - boff; | |
2106 | it->pixel_width = FONT_WIDTH (font); | |
9ef2e2cf JR |
2107 | } |
2108 | ||
791f420f JR |
2109 | /* If this is a space inside a region of text with |
2110 | `space-width' property, change its width. */ | |
2111 | stretched_p = it->char_to_display == ' ' && !NILP (it->space_width); | |
2112 | if (stretched_p) | |
2113 | it->pixel_width *= XFLOATINT (it->space_width); | |
2114 | ||
2115 | /* If face has a box, add the box thickness to the character | |
2116 | height. If character has a box line to the left and/or | |
2117 | right, add the box line width to the character's width. */ | |
2118 | if (face->box != FACE_NO_BOX) | |
2119 | { | |
2120 | int thick = face->box_line_width; | |
2121 | ||
60222d69 AI |
2122 | if (thick > 0) |
2123 | { | |
2124 | it->ascent += thick; | |
2125 | it->descent += thick; | |
2126 | } | |
2127 | else | |
2128 | thick = -thick; | |
791f420f JR |
2129 | |
2130 | if (it->start_of_box_run_p) | |
2131 | it->pixel_width += thick; | |
2132 | if (it->end_of_box_run_p) | |
2133 | it->pixel_width += thick; | |
2134 | } | |
2135 | ||
2136 | /* If face has an overline, add the height of the overline | |
2137 | (1 pixel) and a 1 pixel margin to the character height. */ | |
2138 | if (face->overline_p) | |
2139 | it->ascent += 2; | |
2140 | ||
2141 | take_vertical_position_into_account (it); | |
2142 | ||
2143 | /* If we have to actually produce glyphs, do it. */ | |
2144 | if (it->glyph_row) | |
2145 | { | |
2146 | if (stretched_p) | |
2147 | { | |
2148 | /* Translate a space with a `space-width' property | |
2149 | into a stretch glyph. */ | |
2150 | double ascent = (double) FONT_BASE (font) | |
2151 | / FONT_HEIGHT (font); | |
2152 | x_append_stretch_glyph (it, it->object, it->pixel_width, | |
2153 | it->ascent + it->descent, ascent); | |
2154 | } | |
2155 | else | |
2156 | x_append_glyph (it); | |
2157 | ||
2158 | /* If characters with lbearing or rbearing are displayed | |
2159 | in this line, record that fact in a flag of the | |
2160 | glyph row. This is used to optimize X output code. */ | |
9ef2e2cf | 2161 | if (pcm && (pcm->lbearing < 0 || pcm->rbearing > pcm->width)) |
791f420f JR |
2162 | it->glyph_row->contains_overlapping_glyphs_p = 1; |
2163 | } | |
2164 | } | |
2165 | else if (it->char_to_display == '\n') | |
2166 | { | |
2167 | /* A newline has no width but we need the height of the line. */ | |
2168 | it->pixel_width = 0; | |
2169 | it->nglyphs = 0; | |
2170 | it->ascent = it->phys_ascent = FONT_BASE (font) + boff; | |
2171 | it->descent = it->phys_descent = FONT_DESCENT (font) - boff; | |
2172 | ||
60222d69 AI |
2173 | if (face->box != FACE_NO_BOX |
2174 | && face->box_line_width > 0) | |
791f420f | 2175 | { |
60222d69 AI |
2176 | it->ascent += face->box_line_width; |
2177 | it->descent += face->box_line_width; | |
791f420f JR |
2178 | } |
2179 | } | |
2180 | else if (it->char_to_display == '\t') | |
2181 | { | |
2182 | int tab_width = it->tab_width * CANON_X_UNIT (it->f); | |
9ef2e2cf | 2183 | int x = it->current_x + it->continuation_lines_width; |
791f420f JR |
2184 | int next_tab_x = ((1 + x + tab_width - 1) / tab_width) * tab_width; |
2185 | ||
9127e20e JR |
2186 | /* If the distance from the current position to the next tab |
2187 | stop is less than a canonical character width, use the | |
2188 | tab stop after that. */ | |
2189 | if (next_tab_x - x < CANON_X_UNIT (it->f)) | |
2190 | next_tab_x += tab_width; | |
2191 | ||
791f420f JR |
2192 | it->pixel_width = next_tab_x - x; |
2193 | it->nglyphs = 1; | |
2194 | it->ascent = it->phys_ascent = FONT_BASE (font) + boff; | |
2195 | it->descent = it->phys_descent = FONT_DESCENT (font) - boff; | |
2196 | ||
2197 | if (it->glyph_row) | |
2198 | { | |
2199 | double ascent = (double) it->ascent / (it->ascent + it->descent); | |
2200 | x_append_stretch_glyph (it, it->object, it->pixel_width, | |
2201 | it->ascent + it->descent, ascent); | |
2202 | } | |
2203 | } | |
2204 | else | |
2205 | { | |
00fe468b JR |
2206 | /* A multi-byte character. |
2207 | If we found a font, this font should give us the right | |
791f420f JR |
2208 | metrics. If we didn't find a font, use the frame's |
2209 | default font and calculate the width of the character | |
2210 | from the charset width; this is what old redisplay code | |
2211 | did. */ | |
9127e20e JR |
2212 | enum w32_char_font_type type; |
2213 | ||
2214 | if (font->bdf && CHARSET_DIMENSION (CHAR_CHARSET (it->c)) == 1) | |
2215 | type = BDF_1D_FONT; | |
2216 | else if (font->bdf) | |
2217 | type = BDF_2D_FONT; | |
2218 | else | |
2219 | type = UNICODE_FONT; | |
2220 | ||
82f9d565 | 2221 | pcm = w32_per_char_metric (font, &char2b, type); |
00fe468b | 2222 | |
93ff4395 JR |
2223 | if (font_not_found_p || !pcm) |
2224 | { | |
2225 | int charset = CHAR_CHARSET (it->char_to_display); | |
00fe468b | 2226 | |
93ff4395 JR |
2227 | it->glyph_not_available_p = 1; |
2228 | it->pixel_width = (FONT_WIDTH (FRAME_FONT (it->f)) | |
2229 | * CHARSET_WIDTH (charset)); | |
2230 | it->phys_ascent = FONT_BASE (font) + boff; | |
2231 | it->phys_descent = FONT_DESCENT (font) - boff; | |
2232 | } | |
2233 | else | |
2234 | { | |
9ef2e2cf | 2235 | it->pixel_width = pcm->width; |
93ff4395 JR |
2236 | it->phys_ascent = pcm->ascent + boff; |
2237 | it->phys_descent = pcm->descent - boff; | |
2238 | if (it->glyph_row | |
2239 | && (pcm->lbearing < 0 | |
2240 | || pcm->rbearing > pcm->width)) | |
2241 | it->glyph_row->contains_overlapping_glyphs_p = 1; | |
00fe468b | 2242 | } |
791f420f JR |
2243 | it->nglyphs = 1; |
2244 | it->ascent = FONT_BASE (font) + boff; | |
2245 | it->descent = FONT_DESCENT (font) - boff; | |
791f420f JR |
2246 | if (face->box != FACE_NO_BOX) |
2247 | { | |
2248 | int thick = face->box_line_width; | |
60222d69 AI |
2249 | |
2250 | if (thick > 0) | |
2251 | { | |
2252 | it->ascent += thick; | |
2253 | it->descent += thick; | |
2254 | } | |
2255 | else | |
2256 | thick = - thick; | |
791f420f JR |
2257 | |
2258 | if (it->start_of_box_run_p) | |
2259 | it->pixel_width += thick; | |
2260 | if (it->end_of_box_run_p) | |
2261 | it->pixel_width += thick; | |
2262 | } | |
2263 | ||
2264 | /* If face has an overline, add the height of the overline | |
2265 | (1 pixel) and a 1 pixel margin to the character height. */ | |
2266 | if (face->overline_p) | |
2267 | it->ascent += 2; | |
2268 | ||
2269 | take_vertical_position_into_account (it); | |
2270 | ||
2271 | if (it->glyph_row) | |
2272 | x_append_glyph (it); | |
2273 | } | |
2d0c0bd7 | 2274 | it->multibyte_p = saved_multibyte_p; |
791f420f JR |
2275 | } |
2276 | else if (it->what == IT_COMPOSITION) | |
2277 | { | |
01b220b6 JR |
2278 | /* Note: A composition is represented as one glyph in the |
2279 | glyph matrix. There are no padding glyphs. */ | |
2280 | wchar_t char2b; | |
2281 | XFontStruct *font; | |
2282 | struct face *face = FACE_FROM_ID (it->f, it->face_id); | |
2283 | XCharStruct *pcm; | |
2284 | int font_not_found_p; | |
2285 | struct font_info *font_info; | |
2286 | int boff; /* baseline offset */ | |
2287 | struct composition *cmp = composition_table[it->cmp_id]; | |
2288 | ||
2289 | /* Maybe translate single-byte characters to multibyte. */ | |
2290 | it->char_to_display = it->c; | |
2291 | if (unibyte_display_via_language_environment | |
2292 | && SINGLE_BYTE_CHAR_P (it->c) | |
2293 | && (it->c >= 0240 | |
2294 | || (it->c >= 0200 | |
2295 | && !NILP (Vnonascii_translation_table)))) | |
2296 | { | |
2297 | it->char_to_display = unibyte_char_to_multibyte (it->c); | |
2298 | } | |
2299 | ||
2300 | /* Get face and font to use. Encode IT->char_to_display. */ | |
2301 | it->face_id = FACE_FOR_CHAR (it->f, face, it->char_to_display); | |
2302 | face = FACE_FROM_ID (it->f, it->face_id); | |
2303 | x_get_char_face_and_encoding (it->f, it->char_to_display, | |
2304 | it->face_id, &char2b, it->multibyte_p); | |
2305 | font = face->font; | |
2306 | ||
2307 | /* When no suitable font found, use the default font. */ | |
2308 | font_not_found_p = font == NULL; | |
2309 | if (font_not_found_p) | |
2310 | { | |
2311 | font = FRAME_FONT (it->f); | |
2312 | boff = it->f->output_data.w32->baseline_offset; | |
2313 | font_info = NULL; | |
2314 | } | |
2315 | else | |
2316 | { | |
2317 | font_info = FONT_INFO_FROM_ID (it->f, face->font_info_id); | |
2318 | boff = font_info->baseline_offset; | |
2319 | if (font_info->vertical_centering) | |
2320 | boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff; | |
2321 | } | |
2322 | ||
2323 | /* There are no padding glyphs, so there is only one glyph to | |
2324 | produce for the composition. Important is that pixel_width, | |
2325 | ascent and descent are the values of what is drawn by | |
2326 | draw_glyphs (i.e. the values of the overall glyphs composed). */ | |
2327 | it->nglyphs = 1; | |
2328 | ||
2329 | /* If we have not yet calculated pixel size data of glyphs of | |
2330 | the composition for the current face font, calculate them | |
2331 | now. Theoretically, we have to check all fonts for the | |
2332 | glyphs, but that requires much time and memory space. So, | |
2333 | here we check only the font of the first glyph. This leads | |
2334 | to incorrect display very rarely, and C-l (recenter) can | |
2335 | correct the display anyway. */ | |
2336 | if (cmp->font != (void *) font) | |
2337 | { | |
2338 | /* Ascent and descent of the font of the first character of | |
2339 | this composition (adjusted by baseline offset). Ascent | |
2340 | and descent of overall glyphs should not be less than | |
2341 | them respectively. */ | |
2342 | int font_ascent = FONT_BASE (font) + boff; | |
2343 | int font_descent = FONT_DESCENT (font) - boff; | |
2344 | /* Bounding box of the overall glyphs. */ | |
2345 | int leftmost, rightmost, lowest, highest; | |
2346 | int i, width, ascent, descent; | |
1521ce96 | 2347 | enum w32_char_font_type font_type; |
01b220b6 JR |
2348 | |
2349 | cmp->font = (void *) font; | |
2350 | ||
2351 | if (font->bdf && CHARSET_DIMENSION (CHAR_CHARSET (it->c)) == 1) | |
2352 | font_type = BDF_1D_FONT; | |
2353 | else if (font->bdf) | |
2354 | font_type = BDF_2D_FONT; | |
2355 | else | |
2356 | font_type = UNICODE_FONT; | |
2357 | ||
2358 | /* Initialize the bounding box. */ | |
f201d732 JR |
2359 | if (font_info |
2360 | && (pcm = w32_per_char_metric (font, &char2b, font_type))) | |
01b220b6 JR |
2361 | { |
2362 | width = pcm->width; | |
2363 | ascent = pcm->ascent; | |
2364 | descent = pcm->descent; | |
2365 | } | |
2366 | else | |
2367 | { | |
2368 | width = FONT_WIDTH (font); | |
2369 | ascent = FONT_BASE (font); | |
2370 | descent = FONT_DESCENT (font); | |
2371 | } | |
2372 | ||
2373 | rightmost = width; | |
2374 | lowest = - descent + boff; | |
2375 | highest = ascent + boff; | |
2376 | leftmost = 0; | |
2377 | ||
2378 | if (font_info | |
2379 | && font_info->default_ascent | |
2380 | && CHAR_TABLE_P (Vuse_default_ascent) | |
2381 | && !NILP (Faref (Vuse_default_ascent, | |
2382 | make_number (it->char_to_display)))) | |
2383 | highest = font_info->default_ascent + boff; | |
2384 | ||
2385 | /* Draw the first glyph at the normal position. It may be | |
2386 | shifted to right later if some other glyphs are drawn at | |
2387 | the left. */ | |
2388 | cmp->offsets[0] = 0; | |
2389 | cmp->offsets[1] = boff; | |
2390 | ||
2391 | /* Set cmp->offsets for the remaining glyphs. */ | |
2392 | for (i = 1; i < cmp->glyph_len; i++) | |
2393 | { | |
2394 | int left, right, btm, top; | |
2395 | int ch = COMPOSITION_GLYPH (cmp, i); | |
2396 | int face_id = FACE_FOR_CHAR (it->f, face, ch); | |
2397 | ||
2398 | face = FACE_FROM_ID (it->f, face_id); | |
2399 | x_get_char_face_and_encoding (it->f, ch, face->id, &char2b, | |
2400 | it->multibyte_p); | |
2401 | font = face->font; | |
2402 | if (font == NULL) | |
2403 | { | |
2404 | font = FRAME_FONT (it->f); | |
2405 | boff = it->f->output_data.w32->baseline_offset; | |
2406 | font_info = NULL; | |
2407 | } | |
2408 | else | |
2409 | { | |
2410 | font_info | |
2411 | = FONT_INFO_FROM_ID (it->f, face->font_info_id); | |
2412 | boff = font_info->baseline_offset; | |
2413 | if (font_info->vertical_centering) | |
2414 | boff = VCENTER_BASELINE_OFFSET (font, it->f) - boff; | |
2415 | } | |
2416 | ||
2417 | if (font->bdf && CHARSET_DIMENSION (CHAR_CHARSET (ch)) == 1) | |
2418 | font_type = BDF_1D_FONT; | |
2419 | else if (font->bdf) | |
2420 | font_type = BDF_2D_FONT; | |
2421 | else | |
2422 | font_type = UNICODE_FONT; | |
2423 | ||
f201d732 JR |
2424 | if (font_info |
2425 | && (pcm = w32_per_char_metric (font, &char2b, font_type))) | |
01b220b6 JR |
2426 | { |
2427 | width = pcm->width; | |
2428 | ascent = pcm->ascent; | |
2429 | descent = pcm->descent; | |
2430 | } | |
2431 | else | |
2432 | { | |
2433 | width = FONT_WIDTH (font); | |
f201d732 JR |
2434 | ascent = 1; |
2435 | descent = 0; | |
01b220b6 JR |
2436 | } |
2437 | ||
2438 | if (cmp->method != COMPOSITION_WITH_RULE_ALTCHARS) | |
2439 | { | |
2440 | /* Relative composition with or without | |
2441 | alternate chars. */ | |
2442 | left = (leftmost + rightmost - width) / 2; | |
2443 | btm = - descent + boff; | |
2444 | if (font_info && font_info->relative_compose | |
2445 | && (! CHAR_TABLE_P (Vignore_relative_composition) | |
2446 | || NILP (Faref (Vignore_relative_composition, | |
2447 | make_number (ch))))) | |
2448 | { | |
2449 | ||
2450 | if (- descent >= font_info->relative_compose) | |
2451 | /* One extra pixel between two glyphs. */ | |
2452 | btm = highest + 1; | |
2453 | else if (ascent <= 0) | |
2454 | /* One extra pixel between two glyphs. */ | |
2455 | btm = lowest - 1 - ascent - descent; | |
2456 | } | |
2457 | } | |
2458 | else | |
2459 | { | |
2460 | /* A composition rule is specified by an integer | |
2461 | value that encodes global and new reference | |
2462 | points (GREF and NREF). GREF and NREF are | |
2463 | specified by numbers as below: | |
2464 | ||
2465 | 0---1---2 -- ascent | |
2466 | | | | |
2467 | | | | |
2468 | | | | |
2469 | 9--10--11 -- center | |
2470 | | | | |
2471 | ---3---4---5--- baseline | |
2472 | | | | |
2473 | 6---7---8 -- descent | |
2474 | */ | |
2475 | int rule = COMPOSITION_RULE (cmp, i); | |
2476 | int gref, nref, grefx, grefy, nrefx, nrefy; | |
2477 | ||
2478 | COMPOSITION_DECODE_RULE (rule, gref, nref); | |
2479 | grefx = gref % 3, nrefx = nref % 3; | |
2480 | grefy = gref / 3, nrefy = nref / 3; | |
2481 | ||
2482 | left = (leftmost | |
2483 | + grefx * (rightmost - leftmost) / 2 | |
2484 | - nrefx * width / 2); | |
2485 | btm = ((grefy == 0 ? highest | |
2486 | : grefy == 1 ? 0 | |
2487 | : grefy == 2 ? lowest | |
2488 | : (highest + lowest) / 2) | |
2489 | - (nrefy == 0 ? ascent + descent | |
2490 | : nrefy == 1 ? descent - boff | |
2491 | : nrefy == 2 ? 0 | |
2492 | : (ascent + descent) / 2)); | |
2493 | } | |
2494 | ||
2495 | cmp->offsets[i * 2] = left; | |
2496 | cmp->offsets[i * 2 + 1] = btm + descent; | |
2497 | ||
2498 | /* Update the bounding box of the overall glyphs. */ | |
2499 | right = left + width; | |
2500 | top = btm + descent + ascent; | |
2501 | if (left < leftmost) | |
2502 | leftmost = left; | |
2503 | if (right > rightmost) | |
2504 | rightmost = right; | |
2505 | if (top > highest) | |
2506 | highest = top; | |
2507 | if (btm < lowest) | |
2508 | lowest = btm; | |
2509 | } | |
2510 | ||
2511 | /* If there are glyphs whose x-offsets are negative, | |
2512 | shift all glyphs to the right and make all x-offsets | |
2513 | non-negative. */ | |
2514 | if (leftmost < 0) | |
2515 | { | |
2516 | for (i = 0; i < cmp->glyph_len; i++) | |
2517 | cmp->offsets[i * 2] -= leftmost; | |
2518 | rightmost -= leftmost; | |
2519 | } | |
2520 | ||
2521 | cmp->pixel_width = rightmost; | |
2522 | cmp->ascent = highest; | |
2523 | cmp->descent = - lowest; | |
2524 | if (cmp->ascent < font_ascent) | |
2525 | cmp->ascent = font_ascent; | |
2526 | if (cmp->descent < font_descent) | |
2527 | cmp->descent = font_descent; | |
2528 | } | |
2529 | ||
2530 | it->pixel_width = cmp->pixel_width; | |
2531 | it->ascent = it->phys_ascent = cmp->ascent; | |
2532 | it->descent = it->phys_descent = cmp->descent; | |
2533 | ||
2534 | if (face->box != FACE_NO_BOX) | |
2535 | { | |
2536 | int thick = face->box_line_width; | |
60222d69 AI |
2537 | |
2538 | if (thick > 0) | |
2539 | { | |
2540 | it->ascent += thick; | |
2541 | it->descent += thick; | |
2542 | } | |
2543 | else | |
2544 | thick = - thick; | |
01b220b6 JR |
2545 | |
2546 | if (it->start_of_box_run_p) | |
2547 | it->pixel_width += thick; | |
2548 | if (it->end_of_box_run_p) | |
2549 | it->pixel_width += thick; | |
2550 | } | |
2551 | ||
2552 | /* If face has an overline, add the height of the overline | |
2553 | (1 pixel) and a 1 pixel margin to the character height. */ | |
2554 | if (face->overline_p) | |
2555 | it->ascent += 2; | |
2556 | ||
2557 | take_vertical_position_into_account (it); | |
2558 | ||
2559 | if (it->glyph_row) | |
2560 | x_append_composite_glyph (it); | |
791f420f JR |
2561 | } |
2562 | else if (it->what == IT_IMAGE) | |
2563 | x_produce_image_glyph (it); | |
2564 | else if (it->what == IT_STRETCH) | |
2565 | x_produce_stretch_glyph (it); | |
2566 | ||
c2cc16fa JR |
2567 | /* Accumulate dimensions. Note: can't assume that it->descent > 0 |
2568 | because this isn't true for images with `:ascent 100'. */ | |
2569 | xassert (it->ascent >= 0 && it->descent >= 0); | |
791f420f JR |
2570 | if (it->area == TEXT_AREA) |
2571 | it->current_x += it->pixel_width; | |
2572 | ||
9ef2e2cf JR |
2573 | it->descent += it->extra_line_spacing; |
2574 | ||
791f420f JR |
2575 | it->max_ascent = max (it->max_ascent, it->ascent); |
2576 | it->max_descent = max (it->max_descent, it->descent); | |
2577 | it->max_phys_ascent = max (it->max_phys_ascent, it->phys_ascent); | |
2578 | it->max_phys_descent = max (it->max_phys_descent, it->phys_descent); | |
2579 | } | |
2580 | ||
2581 | ||
2582 | /* Estimate the pixel height of the mode or top line on frame F. | |
2583 | FACE_ID specifies what line's height to estimate. */ | |
2584 | ||
2585 | int | |
2586 | x_estimate_mode_line_height (f, face_id) | |
2587 | struct frame *f; | |
2588 | enum face_id face_id; | |
2589 | { | |
250cfece | 2590 | int height = FONT_HEIGHT (FRAME_FONT (f)); |
791f420f JR |
2591 | |
2592 | /* This function is called so early when Emacs starts that the face | |
2593 | cache and mode line face are not yet initialized. */ | |
2594 | if (FRAME_FACE_CACHE (f)) | |
2595 | { | |
2596 | struct face *face = FACE_FROM_ID (f, face_id); | |
9ef2e2cf | 2597 | if (face) |
250cfece JR |
2598 | { |
2599 | if (face->font) | |
2600 | height = FONT_HEIGHT (face->font); | |
60222d69 AI |
2601 | if (face->box_line_width > 0) |
2602 | height += 2 * face->box_line_width; | |
250cfece | 2603 | } |
791f420f JR |
2604 | } |
2605 | ||
2606 | return height; | |
2607 | } | |
cabb23bc | 2608 | |
cabb23bc | 2609 | \f |
791f420f JR |
2610 | /*********************************************************************** |
2611 | Glyph display | |
2612 | ***********************************************************************/ | |
2613 | ||
2614 | /* A sequence of glyphs to be drawn in the same face. | |
2615 | ||
2616 | This data structure is not really completely X specific, so it | |
2617 | could possibly, at least partially, be useful for other systems. It | |
2618 | is currently not part of the external redisplay interface because | |
2619 | it's not clear what other systems will need. */ | |
2620 | ||
2621 | struct glyph_string | |
2622 | { | |
2623 | /* X-origin of the string. */ | |
2624 | int x; | |
2625 | ||
2626 | /* Y-origin and y-position of the base line of this string. */ | |
2627 | int y, ybase; | |
2628 | ||
2629 | /* The width of the string, not including a face extension. */ | |
2630 | int width; | |
2631 | ||
2632 | /* The width of the string, including a face extension. */ | |
2633 | int background_width; | |
2634 | ||
2635 | /* The height of this string. This is the height of the line this | |
2636 | string is drawn in, and can be different from the height of the | |
2637 | font the string is drawn in. */ | |
2638 | int height; | |
2639 | ||
2640 | /* Number of pixels this string overwrites in front of its x-origin. | |
2641 | This number is zero if the string has an lbearing >= 0; it is | |
2642 | -lbearing, if the string has an lbearing < 0. */ | |
2643 | int left_overhang; | |
2644 | ||
2645 | /* Number of pixels this string overwrites past its right-most | |
2646 | nominal x-position, i.e. x + width. Zero if the string's | |
2647 | rbearing is <= its nominal width, rbearing - width otherwise. */ | |
2648 | int right_overhang; | |
2649 | ||
2650 | /* The frame on which the glyph string is drawn. */ | |
2651 | struct frame *f; | |
2652 | ||
2653 | /* The window on which the glyph string is drawn. */ | |
2654 | struct window *w; | |
2655 | ||
2656 | /* X display and window for convenience. */ | |
2657 | Window window; | |
2658 | ||
2659 | /* The glyph row for which this string was built. It determines the | |
2660 | y-origin and height of the string. */ | |
2661 | struct glyph_row *row; | |
2662 | ||
2663 | /* The area within row. */ | |
2664 | enum glyph_row_area area; | |
2665 | ||
2666 | /* Characters to be drawn, and number of characters. */ | |
2667 | wchar_t *char2b; | |
2668 | int nchars; | |
2669 | ||
791f420f JR |
2670 | /* A face-override for drawing cursors, mouse face and similar. */ |
2671 | enum draw_glyphs_face hl; | |
2672 | ||
2673 | /* Face in which this string is to be drawn. */ | |
2674 | struct face *face; | |
2675 | ||
2676 | /* Font in which this string is to be drawn. */ | |
2677 | XFontStruct *font; | |
2678 | ||
2679 | /* Font info for this string. */ | |
2680 | struct font_info *font_info; | |
2681 | ||
2682 | /* Non-null means this string describes (part of) a composition. | |
2683 | All characters from char2b are drawn composed. */ | |
2684 | struct composition *cmp; | |
2685 | ||
2686 | /* Index of this glyph string's first character in the glyph | |
2687 | definition of CMP. If this is zero, this glyph string describes | |
2688 | the first character of a composition. */ | |
2689 | int gidx; | |
2690 | ||
2691 | /* 1 means this glyph strings face has to be drawn to the right end | |
2692 | of the window's drawing area. */ | |
2693 | unsigned extends_to_end_of_line_p : 1; | |
2694 | ||
2695 | /* 1 means the background of this string has been drawn. */ | |
2696 | unsigned background_filled_p : 1; | |
2697 | ||
2698 | /* 1 means glyph string must be drawn with 16-bit functions. */ | |
2699 | unsigned two_byte_p : 1; | |
2700 | ||
2701 | /* 1 means that the original font determined for drawing this glyph | |
2702 | string could not be loaded. The member `font' has been set to | |
2703 | the frame's default font in this case. */ | |
2704 | unsigned font_not_found_p : 1; | |
2705 | ||
2706 | /* 1 means that the face in which this glyph string is drawn has a | |
2707 | stipple pattern. */ | |
2708 | unsigned stippled_p : 1; | |
2709 | ||
2710 | /* 1 means only the foreground of this glyph string must be drawn, | |
2711 | and we should use the physical height of the line this glyph | |
2712 | string appears in as clip rect. */ | |
2713 | unsigned for_overlaps_p : 1; | |
2714 | ||
2715 | /* The GC to use for drawing this glyph string. */ | |
2716 | XGCValues *gc; | |
2717 | ||
2718 | HDC hdc; | |
2719 | ||
2720 | /* A pointer to the first glyph in the string. This glyph | |
2721 | corresponds to char2b[0]. Needed to draw rectangles if | |
2722 | font_not_found_p is 1. */ | |
2723 | struct glyph *first_glyph; | |
2724 | ||
2725 | /* Image, if any. */ | |
2726 | struct image *img; | |
2727 | ||
2728 | struct glyph_string *next, *prev; | |
2729 | }; | |
2730 | ||
2731 | ||
9ef2e2cf | 2732 | /* Encapsulate the different ways of displaying text under W32. */ |
791f420f | 2733 | |
9127e20e | 2734 | void W32_TEXTOUT (s, x, y,chars,nchars) |
791f420f JR |
2735 | struct glyph_string * s; |
2736 | int x, y; | |
2737 | wchar_t * chars; | |
2738 | int nchars; | |
2739 | { | |
9ef2e2cf | 2740 | int charset_dim = w32_font_is_double_byte (s->gc->font) ? 2 : 1; |
791f420f JR |
2741 | if (s->gc->font->bdf) |
2742 | w32_BDF_TextOut (s->gc->font->bdf, s->hdc, | |
00c96995 JR |
2743 | x, y, (char *) chars, charset_dim, |
2744 | nchars * charset_dim, 0); | |
9ef2e2cf | 2745 | else if (s->first_glyph->w32_font_type == UNICODE_FONT) |
791f420f JR |
2746 | ExtTextOutW (s->hdc, x, y, 0, NULL, chars, nchars, NULL); |
2747 | else | |
2748 | ExtTextOut (s->hdc, x, y, 0, NULL, (char *) chars, | |
9ef2e2cf | 2749 | nchars * charset_dim, NULL); |
791f420f JR |
2750 | } |
2751 | ||
9f5a911b | 2752 | #if GLYPH_DEBUG |
791f420f JR |
2753 | |
2754 | static void | |
2755 | x_dump_glyph_string (s) | |
2756 | struct glyph_string *s; | |
2757 | { | |
2758 | fprintf (stderr, "glyph string\n"); | |
2759 | fprintf (stderr, " x, y, w, h = %d, %d, %d, %d\n", | |
2760 | s->x, s->y, s->width, s->height); | |
2761 | fprintf (stderr, " ybase = %d\n", s->ybase); | |
2762 | fprintf (stderr, " hl = %d\n", s->hl); | |
2763 | fprintf (stderr, " left overhang = %d, right = %d\n", | |
2764 | s->left_overhang, s->right_overhang); | |
2765 | fprintf (stderr, " nchars = %d\n", s->nchars); | |
2766 | fprintf (stderr, " extends to end of line = %d\n", | |
2767 | s->extends_to_end_of_line_p); | |
2768 | fprintf (stderr, " font height = %d\n", FONT_HEIGHT (s->font)); | |
2769 | fprintf (stderr, " bg width = %d\n", s->background_width); | |
2770 | } | |
2771 | ||
2772 | #endif /* GLYPH_DEBUG */ | |
2773 | ||
2774 | ||
2775 | ||
2776 | static void x_append_glyph_string_lists P_ ((struct glyph_string **, | |
2777 | struct glyph_string **, | |
2778 | struct glyph_string *, | |
2779 | struct glyph_string *)); | |
2780 | static void x_prepend_glyph_string_lists P_ ((struct glyph_string **, | |
2781 | struct glyph_string **, | |
2782 | struct glyph_string *, | |
2783 | struct glyph_string *)); | |
2784 | static void x_append_glyph_string P_ ((struct glyph_string **, | |
2785 | struct glyph_string **, | |
2786 | struct glyph_string *)); | |
2787 | static int x_left_overwritten P_ ((struct glyph_string *)); | |
2788 | static int x_left_overwriting P_ ((struct glyph_string *)); | |
2789 | static int x_right_overwritten P_ ((struct glyph_string *)); | |
2790 | static int x_right_overwriting P_ ((struct glyph_string *)); | |
c2cc16fa JR |
2791 | static int x_fill_glyph_string P_ ((struct glyph_string *, int, int, int, |
2792 | int)); | |
791f420f | 2793 | static void w32_init_glyph_string P_ ((struct glyph_string *, HDC hdc, |
c2cc16fa JR |
2794 | wchar_t *, struct window *, |
2795 | struct glyph_row *, | |
2796 | enum glyph_row_area, int, | |
2797 | enum draw_glyphs_face)); | |
791f420f JR |
2798 | static int x_draw_glyphs P_ ((struct window *, int , struct glyph_row *, |
2799 | enum glyph_row_area, int, int, | |
6ff3e5e3 | 2800 | enum draw_glyphs_face, int)); |
791f420f JR |
2801 | static void x_set_glyph_string_clipping P_ ((struct glyph_string *)); |
2802 | static void x_set_glyph_string_gc P_ ((struct glyph_string *)); | |
2803 | static void x_draw_glyph_string_background P_ ((struct glyph_string *, | |
2804 | int)); | |
2805 | static void x_draw_glyph_string_foreground P_ ((struct glyph_string *)); | |
2806 | static void x_draw_composite_glyph_string_foreground P_ ((struct glyph_string *)); | |
791f420f JR |
2807 | static void x_draw_glyph_string_box P_ ((struct glyph_string *)); |
2808 | static void x_draw_glyph_string P_ ((struct glyph_string *)); | |
2809 | static void x_compute_glyph_string_overhangs P_ ((struct glyph_string *)); | |
2810 | static void x_set_cursor_gc P_ ((struct glyph_string *)); | |
2811 | static void x_set_mode_line_face_gc P_ ((struct glyph_string *)); | |
2812 | static void x_set_mouse_face_gc P_ ((struct glyph_string *)); | |
2813 | static void w32_get_glyph_overhangs P_ ((HDC hdc, struct glyph *, | |
2814 | struct frame *, | |
9ef2e2cf | 2815 | int *, int *)); |
791f420f JR |
2816 | static void x_compute_overhangs_and_x P_ ((struct glyph_string *, int, int)); |
2817 | static int w32_alloc_lighter_color (struct frame *, COLORREF *, double, int); | |
2818 | static void w32_setup_relief_color P_ ((struct frame *, struct relief *, | |
2819 | double, int, COLORREF)); | |
2820 | static void x_setup_relief_colors P_ ((struct glyph_string *)); | |
2821 | static void x_draw_image_glyph_string P_ ((struct glyph_string *)); | |
2822 | static void x_draw_image_relief P_ ((struct glyph_string *)); | |
2823 | static void x_draw_image_foreground P_ ((struct glyph_string *)); | |
2824 | static void w32_draw_image_foreground_1 P_ ((struct glyph_string *, HBITMAP)); | |
2825 | static void x_fill_image_glyph_string P_ ((struct glyph_string *)); | |
2826 | static void x_clear_glyph_string_rect P_ ((struct glyph_string *, int, | |
2827 | int, int, int)); | |
2828 | static void w32_draw_relief_rect P_ ((struct frame *, int, int, int, int, | |
2829 | int, int, int, int, RECT *)); | |
2830 | static void w32_draw_box_rect P_ ((struct glyph_string *, int, int, int, int, | |
2831 | int, int, int, RECT *)); | |
2832 | static void x_fix_overlapping_area P_ ((struct window *, struct glyph_row *, | |
2833 | enum glyph_row_area)); | |
c2cc16fa JR |
2834 | static int x_fill_stretch_glyph_string P_ ((struct glyph_string *, |
2835 | struct glyph_row *, | |
2836 | enum glyph_row_area, int, int)); | |
2837 | ||
2838 | #if GLYPH_DEBUG | |
2839 | static void x_check_font P_ ((struct frame *, XFontStruct *)); | |
2840 | #endif | |
791f420f JR |
2841 | |
2842 | ||
2843 | /* Append the list of glyph strings with head H and tail T to the list | |
2844 | with head *HEAD and tail *TAIL. Set *HEAD and *TAIL to the result. */ | |
2845 | ||
2846 | static INLINE void | |
2847 | x_append_glyph_string_lists (head, tail, h, t) | |
2848 | struct glyph_string **head, **tail; | |
2849 | struct glyph_string *h, *t; | |
2850 | { | |
2851 | if (h) | |
2852 | { | |
2853 | if (*head) | |
2854 | (*tail)->next = h; | |
2855 | else | |
2856 | *head = h; | |
2857 | h->prev = *tail; | |
2858 | *tail = t; | |
2859 | } | |
2860 | } | |
2861 | ||
2862 | ||
2863 | /* Prepend the list of glyph strings with head H and tail T to the | |
2864 | list with head *HEAD and tail *TAIL. Set *HEAD and *TAIL to the | |
2865 | result. */ | |
2866 | ||
2867 | static INLINE void | |
2868 | x_prepend_glyph_string_lists (head, tail, h, t) | |
2869 | struct glyph_string **head, **tail; | |
2870 | struct glyph_string *h, *t; | |
2871 | { | |
2872 | if (h) | |
2873 | { | |
2874 | if (*head) | |
2875 | (*head)->prev = t; | |
2876 | else | |
2877 | *tail = t; | |
2878 | t->next = *head; | |
2879 | *head = h; | |
2880 | } | |
2881 | } | |
2882 | ||
2883 | ||
2884 | /* Append glyph string S to the list with head *HEAD and tail *TAIL. | |
2885 | Set *HEAD and *TAIL to the resulting list. */ | |
2886 | ||
2887 | static INLINE void | |
2888 | x_append_glyph_string (head, tail, s) | |
2889 | struct glyph_string **head, **tail; | |
2890 | struct glyph_string *s; | |
2891 | { | |
2892 | s->next = s->prev = NULL; | |
2893 | x_append_glyph_string_lists (head, tail, s, s); | |
2894 | } | |
2895 | ||
2896 | ||
2897 | /* Set S->gc to a suitable GC for drawing glyph string S in cursor | |
2898 | face. */ | |
2899 | ||
2900 | static void | |
2901 | x_set_cursor_gc (s) | |
2902 | struct glyph_string *s; | |
2903 | { | |
2904 | if (s->font == FRAME_FONT (s->f) | |
2905 | && s->face->background == FRAME_BACKGROUND_PIXEL (s->f) | |
2906 | && s->face->foreground == FRAME_FOREGROUND_PIXEL (s->f) | |
2907 | && !s->cmp) | |
2908 | s->gc = s->f->output_data.w32->cursor_gc; | |
2909 | else | |
2910 | { | |
2911 | /* Cursor on non-default face: must merge. */ | |
2912 | XGCValues xgcv; | |
2913 | unsigned long mask; | |
2914 | ||
2915 | xgcv.background = s->f->output_data.w32->cursor_pixel; | |
2916 | xgcv.foreground = s->face->background; | |
2917 | ||
2918 | /* If the glyph would be invisible, try a different foreground. */ | |
2919 | if (xgcv.foreground == xgcv.background) | |
2920 | xgcv.foreground = s->face->foreground; | |
2921 | if (xgcv.foreground == xgcv.background) | |
2922 | xgcv.foreground = s->f->output_data.w32->cursor_foreground_pixel; | |
2923 | if (xgcv.foreground == xgcv.background) | |
2924 | xgcv.foreground = s->face->foreground; | |
2925 | ||
2926 | /* Make sure the cursor is distinct from text in this face. */ | |
2927 | if (xgcv.background == s->face->background | |
2928 | && xgcv.foreground == s->face->foreground) | |
2929 | { | |
2930 | xgcv.background = s->face->foreground; | |
2931 | xgcv.foreground = s->face->background; | |
2932 | } | |
2933 | ||
2934 | IF_DEBUG (x_check_font (s->f, s->font)); | |
2935 | xgcv.font = s->font; | |
2936 | mask = GCForeground | GCBackground | GCFont; | |
2937 | ||
2938 | if (FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc) | |
2939 | XChangeGC (NULL, FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc, | |
2940 | mask, &xgcv); | |
2941 | else | |
2942 | FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc | |
2943 | = XCreateGC (NULL, s->window, mask, &xgcv); | |
2944 | ||
2945 | s->gc = FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc; | |
2946 | } | |
2947 | } | |
2948 | ||
2949 | ||
2950 | /* Set up S->gc of glyph string S for drawing text in mouse face. */ | |
2951 | ||
2952 | static void | |
2953 | x_set_mouse_face_gc (s) | |
2954 | struct glyph_string *s; | |
2955 | { | |
2956 | int face_id; | |
93ff4395 | 2957 | struct face *face; |
791f420f | 2958 | |
c2cc16fa | 2959 | /* What face has to be used last for the mouse face? */ |
791f420f | 2960 | face_id = FRAME_W32_DISPLAY_INFO (s->f)->mouse_face_face_id; |
93ff4395 | 2961 | face = FACE_FROM_ID (s->f, face_id); |
c2cc16fa JR |
2962 | if (face == NULL) |
2963 | face = FACE_FROM_ID (s->f, MOUSE_FACE_ID); | |
2964 | ||
2965 | if (s->first_glyph->type == CHAR_GLYPH) | |
2966 | face_id = FACE_FOR_CHAR (s->f, face, s->first_glyph->u.ch); | |
2967 | else | |
2968 | face_id = FACE_FOR_CHAR (s->f, face, 0); | |
791f420f JR |
2969 | s->face = FACE_FROM_ID (s->f, face_id); |
2970 | PREPARE_FACE_FOR_DISPLAY (s->f, s->face); | |
2971 | ||
2972 | /* If font in this face is same as S->font, use it. */ | |
2973 | if (s->font == s->face->font) | |
2974 | s->gc = s->face->gc; | |
2975 | else | |
2976 | { | |
2977 | /* Otherwise construct scratch_cursor_gc with values from FACE | |
2978 | but font FONT. */ | |
2979 | XGCValues xgcv; | |
2980 | unsigned long mask; | |
2981 | ||
2982 | xgcv.background = s->face->background; | |
2983 | xgcv.foreground = s->face->foreground; | |
2984 | IF_DEBUG (x_check_font (s->f, s->font)); | |
2985 | xgcv.font = s->font; | |
2986 | mask = GCForeground | GCBackground | GCFont; | |
2987 | ||
2988 | if (FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc) | |
2989 | XChangeGC (NULL, FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc, | |
2990 | mask, &xgcv); | |
2991 | else | |
2992 | FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc | |
2993 | = XCreateGC (NULL, s->window, mask, &xgcv); | |
2994 | ||
2995 | s->gc = FRAME_W32_DISPLAY_INFO (s->f)->scratch_cursor_gc; | |
2996 | } | |
2997 | ||
2998 | xassert (s->gc != 0); | |
2999 | } | |
3000 | ||
3001 | ||
3002 | /* Set S->gc of glyph string S to a GC suitable for drawing a mode line. | |
3003 | Faces to use in the mode line have already been computed when the | |
3004 | matrix was built, so there isn't much to do, here. */ | |
3005 | ||
3006 | static INLINE void | |
3007 | x_set_mode_line_face_gc (s) | |
3008 | struct glyph_string *s; | |
3009 | { | |
3010 | s->gc = s->face->gc; | |
791f420f JR |
3011 | } |
3012 | ||
3013 | ||
3014 | /* Set S->gc of glyph string S for drawing that glyph string. Set | |
3015 | S->stippled_p to a non-zero value if the face of S has a stipple | |
3016 | pattern. */ | |
3017 | ||
3018 | static INLINE void | |
3019 | x_set_glyph_string_gc (s) | |
3020 | struct glyph_string *s; | |
3021 | { | |
ec48c3a7 JR |
3022 | PREPARE_FACE_FOR_DISPLAY (s->f, s->face); |
3023 | ||
791f420f JR |
3024 | if (s->hl == DRAW_NORMAL_TEXT) |
3025 | { | |
3026 | s->gc = s->face->gc; | |
3027 | s->stippled_p = s->face->stipple != 0; | |
3028 | } | |
3029 | else if (s->hl == DRAW_INVERSE_VIDEO) | |
3030 | { | |
3031 | x_set_mode_line_face_gc (s); | |
3032 | s->stippled_p = s->face->stipple != 0; | |
3033 | } | |
3034 | else if (s->hl == DRAW_CURSOR) | |
3035 | { | |
3036 | x_set_cursor_gc (s); | |
3037 | s->stippled_p = 0; | |
3038 | } | |
3039 | else if (s->hl == DRAW_MOUSE_FACE) | |
3040 | { | |
3041 | x_set_mouse_face_gc (s); | |
3042 | s->stippled_p = s->face->stipple != 0; | |
3043 | } | |
3044 | else if (s->hl == DRAW_IMAGE_RAISED | |
3045 | || s->hl == DRAW_IMAGE_SUNKEN) | |
3046 | { | |
3047 | s->gc = s->face->gc; | |
3048 | s->stippled_p = s->face->stipple != 0; | |
3049 | } | |
3050 | else | |
3051 | { | |
3052 | s->gc = s->face->gc; | |
3053 | s->stippled_p = s->face->stipple != 0; | |
3054 | } | |
3055 | ||
3056 | /* GC must have been set. */ | |
3057 | xassert (s->gc != 0); | |
3058 | } | |
3059 | ||
3060 | ||
3061 | /* Return in *R the clipping rectangle for glyph string S. */ | |
3062 | ||
3063 | static void | |
3064 | w32_get_glyph_string_clip_rect (s, r) | |
3065 | struct glyph_string *s; | |
3066 | RECT *r; | |
3067 | { | |
3068 | int r_height, r_width; | |
3069 | ||
3070 | if (s->row->full_width_p) | |
3071 | { | |
3072 | /* Draw full-width. X coordinates are relative to S->w->left. */ | |
3073 | int canon_x = CANON_X_UNIT (s->f); | |
3074 | ||
3075 | r->left = WINDOW_LEFT_MARGIN (s->w) * canon_x; | |
3076 | r_width = XFASTINT (s->w->width) * canon_x; | |
3077 | ||
3078 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (s->f)) | |
3079 | { | |
3080 | int width = FRAME_SCROLL_BAR_WIDTH (s->f) * canon_x; | |
3081 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_LEFT (s->f)) | |
3082 | r->left -= width; | |
3083 | } | |
3084 | ||
3085 | r->left += FRAME_INTERNAL_BORDER_WIDTH (s->f); | |
3086 | ||
3087 | /* Unless displaying a mode or menu bar line, which are always | |
3088 | fully visible, clip to the visible part of the row. */ | |
3089 | if (s->w->pseudo_window_p) | |
3090 | r_height = s->row->visible_height; | |
3091 | else | |
3092 | r_height = s->height; | |
3093 | } | |
3094 | else | |
3095 | { | |
3096 | /* This is a text line that may be partially visible. */ | |
3097 | r->left = WINDOW_AREA_TO_FRAME_PIXEL_X (s->w, s->area, 0); | |
3098 | r_width = window_box_width (s->w, s->area); | |
3099 | r_height = s->row->visible_height; | |
3100 | } | |
3101 | ||
791f420f JR |
3102 | /* If S draws overlapping rows, it's sufficient to use the top and |
3103 | bottom of the window for clipping because this glyph string | |
3104 | intentionally draws over other lines. */ | |
3105 | if (s->for_overlaps_p) | |
3106 | { | |
3107 | r->top = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (s->w); | |
3108 | r_height = window_text_bottom_y (s->w) - r->top; | |
3109 | } | |
9f5a911b JR |
3110 | else |
3111 | { | |
3112 | /* Don't use S->y for clipping because it doesn't take partially | |
3113 | visible lines into account. For example, it can be negative for | |
3114 | partially visible lines at the top of a window. */ | |
3115 | if (!s->row->full_width_p | |
3116 | && MATRIX_ROW_PARTIALLY_VISIBLE_AT_TOP_P (s->w, s->row)) | |
3117 | r->top = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (s->w); | |
3118 | else | |
3119 | r->top = max (0, s->row->y); | |
3120 | ||
3121 | /* If drawing a tool-bar window, draw it over the internal border | |
3122 | at the top of the window. */ | |
3123 | if (s->w == XWINDOW (s->f->tool_bar_window)) | |
3124 | r->top -= s->f->output_data.w32->internal_border_width; | |
3125 | } | |
3126 | ||
791f420f JR |
3127 | r->top = WINDOW_TO_FRAME_PIXEL_Y (s->w, r->top); |
3128 | ||
3129 | r->bottom = r->top + r_height; | |
3130 | r->right = r->left + r_width; | |
3131 | } | |
3132 | ||
3133 | ||
3134 | /* Set clipping for output of glyph string S. S may be part of a mode | |
3135 | line or menu if we don't have X toolkit support. */ | |
3136 | ||
3137 | static INLINE void | |
3138 | x_set_glyph_string_clipping (s) | |
3139 | struct glyph_string *s; | |
3140 | { | |
3141 | RECT r; | |
3142 | w32_get_glyph_string_clip_rect (s, &r); | |
3143 | w32_set_clip_rectangle (s->hdc, &r); | |
3144 | } | |
3145 | ||
3146 | ||
3147 | /* Compute left and right overhang of glyph string S. If S is a glyph | |
3148 | string for a composition, assume overhangs don't exist. */ | |
3149 | ||
3150 | static INLINE void | |
3151 | x_compute_glyph_string_overhangs (s) | |
3152 | struct glyph_string *s; | |
3153 | { | |
01b220b6 | 3154 | /* TODO: Windows does not appear to have a method for |
158cba56 JR |
3155 | getting this info without getting the ABC widths for each |
3156 | individual character and working it out manually. */ | |
791f420f JR |
3157 | } |
3158 | ||
3159 | ||
3160 | /* Compute overhangs and x-positions for glyph string S and its | |
3161 | predecessors, or successors. X is the starting x-position for S. | |
3162 | BACKWARD_P non-zero means process predecessors. */ | |
3163 | ||
3164 | static void | |
3165 | x_compute_overhangs_and_x (s, x, backward_p) | |
3166 | struct glyph_string *s; | |
3167 | int x; | |
3168 | int backward_p; | |
3169 | { | |
3170 | if (backward_p) | |
3171 | { | |
3172 | while (s) | |
3173 | { | |
3174 | x_compute_glyph_string_overhangs (s); | |
3175 | x -= s->width; | |
3176 | s->x = x; | |
3177 | s = s->prev; | |
3178 | } | |
3179 | } | |
3180 | else | |
3181 | { | |
3182 | while (s) | |
3183 | { | |
3184 | x_compute_glyph_string_overhangs (s); | |
3185 | s->x = x; | |
3186 | x += s->width; | |
3187 | s = s->next; | |
3188 | } | |
3189 | } | |
3190 | } | |
3191 | ||
3192 | ||
3193 | /* Set *LEFT and *RIGHT to the left and right overhang of GLYPH on | |
3194 | frame F. Overhangs of glyphs other than type CHAR_GLYPH are | |
3195 | assumed to be zero. */ | |
3196 | ||
3197 | static void | |
9ef2e2cf | 3198 | w32_get_glyph_overhangs (hdc, glyph, f, left, right) |
00fe468b | 3199 | HDC hdc; |
791f420f JR |
3200 | struct glyph *glyph; |
3201 | struct frame *f; | |
9ef2e2cf | 3202 | int *left, *right; |
791f420f | 3203 | { |
791f420f JR |
3204 | *left = *right = 0; |
3205 | ||
3206 | if (glyph->type == CHAR_GLYPH) | |
3207 | { | |
3208 | XFontStruct *font; | |
3209 | struct face *face; | |
791f420f | 3210 | wchar_t char2b; |
93ff4395 JR |
3211 | XCharStruct *pcm; |
3212 | ||
3213 | face = x_get_glyph_face_and_encoding (f, glyph, &char2b, NULL); | |
791f420f | 3214 | font = face->font; |
9ef2e2cf | 3215 | |
93ff4395 | 3216 | if (font |
82f9d565 | 3217 | && (pcm = w32_per_char_metric (font, &char2b, |
9ef2e2cf | 3218 | glyph->w32_font_type))) |
791f420f | 3219 | { |
791f420f JR |
3220 | if (pcm->rbearing > pcm->width) |
3221 | *right = pcm->rbearing - pcm->width; | |
3222 | if (pcm->lbearing < 0) | |
3223 | *left = -pcm->lbearing; | |
3224 | } | |
3225 | } | |
791f420f JR |
3226 | } |
3227 | ||
3228 | ||
3229 | static void | |
3230 | x_get_glyph_overhangs (glyph, f, left, right) | |
3231 | struct glyph *glyph; | |
3232 | struct frame *f; | |
3233 | int *left, *right; | |
3234 | { | |
3235 | HDC hdc = get_frame_dc (f); | |
9ef2e2cf JR |
3236 | /* Convert to unicode! */ |
3237 | w32_get_glyph_overhangs (hdc, glyph, f, left, right); | |
791f420f JR |
3238 | release_frame_dc (f, hdc); |
3239 | } | |
3240 | ||
3241 | ||
3242 | /* Return the index of the first glyph preceding glyph string S that | |
3243 | is overwritten by S because of S's left overhang. Value is -1 | |
3244 | if no glyphs are overwritten. */ | |
3245 | ||
3246 | static int | |
3247 | x_left_overwritten (s) | |
3248 | struct glyph_string *s; | |
3249 | { | |
3250 | int k; | |
3251 | ||
3252 | if (s->left_overhang) | |
3253 | { | |
3254 | int x = 0, i; | |
3255 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
3256 | int first = s->first_glyph - glyphs; | |
3257 | ||
3258 | for (i = first - 1; i >= 0 && x > -s->left_overhang; --i) | |
3259 | x -= glyphs[i].pixel_width; | |
3260 | ||
3261 | k = i + 1; | |
3262 | } | |
3263 | else | |
3264 | k = -1; | |
3265 | ||
3266 | return k; | |
3267 | } | |
3268 | ||
3269 | ||
3270 | /* Return the index of the first glyph preceding glyph string S that | |
3271 | is overwriting S because of its right overhang. Value is -1 if no | |
3272 | glyph in front of S overwrites S. */ | |
3273 | ||
3274 | static int | |
3275 | x_left_overwriting (s) | |
3276 | struct glyph_string *s; | |
3277 | { | |
3278 | int i, k, x; | |
3279 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
3280 | int first = s->first_glyph - glyphs; | |
3281 | ||
3282 | k = -1; | |
3283 | x = 0; | |
3284 | for (i = first - 1; i >= 0; --i) | |
3285 | { | |
3286 | int left, right; | |
9ef2e2cf | 3287 | w32_get_glyph_overhangs (s->hdc, glyphs + i, s->f, &left, &right); |
791f420f JR |
3288 | if (x + right > 0) |
3289 | k = i; | |
3290 | x -= glyphs[i].pixel_width; | |
3291 | } | |
3292 | ||
3293 | return k; | |
3294 | } | |
3295 | ||
3296 | ||
3297 | /* Return the index of the last glyph following glyph string S that is | |
3298 | not overwritten by S because of S's right overhang. Value is -1 if | |
3299 | no such glyph is found. */ | |
3300 | ||
3301 | static int | |
3302 | x_right_overwritten (s) | |
3303 | struct glyph_string *s; | |
3304 | { | |
3305 | int k = -1; | |
3306 | ||
3307 | if (s->right_overhang) | |
3308 | { | |
3309 | int x = 0, i; | |
3310 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
3311 | int first = (s->first_glyph - glyphs) + (s->cmp ? 1 : s->nchars); | |
3312 | int end = s->row->used[s->area]; | |
3313 | ||
3314 | for (i = first; i < end && s->right_overhang > x; ++i) | |
3315 | x += glyphs[i].pixel_width; | |
3316 | ||
3317 | k = i; | |
3318 | } | |
3319 | ||
3320 | return k; | |
3321 | } | |
3322 | ||
3323 | ||
3324 | /* Return the index of the last glyph following glyph string S that | |
3325 | overwrites S because of its left overhang. Value is negative | |
3326 | if no such glyph is found. */ | |
3327 | ||
3328 | static int | |
3329 | x_right_overwriting (s) | |
3330 | struct glyph_string *s; | |
3331 | { | |
3332 | int i, k, x; | |
3333 | int end = s->row->used[s->area]; | |
3334 | struct glyph *glyphs = s->row->glyphs[s->area]; | |
3335 | int first = (s->first_glyph - glyphs) + (s->cmp ? 1 : s->nchars); | |
3336 | ||
3337 | k = -1; | |
3338 | x = 0; | |
3339 | for (i = first; i < end; ++i) | |
3340 | { | |
3341 | int left, right; | |
9ef2e2cf | 3342 | w32_get_glyph_overhangs (s->hdc, glyphs + i, s->f, &left, &right); |
791f420f JR |
3343 | if (x - left < 0) |
3344 | k = i; | |
3345 | x += glyphs[i].pixel_width; | |
3346 | } | |
3347 | ||
3348 | return k; | |
3349 | } | |
3350 | ||
3351 | ||
3352 | /* Fill rectangle X, Y, W, H with background color of glyph string S. */ | |
3353 | ||
3354 | static INLINE void | |
3355 | x_clear_glyph_string_rect (s, x, y, w, h) | |
3356 | struct glyph_string *s; | |
3357 | int x, y, w, h; | |
3358 | { | |
3359 | int real_x = x; | |
3360 | int real_y = y; | |
3361 | int real_w = w; | |
3362 | int real_h = h; | |
3363 | #if 0 | |
3364 | /* Take clipping into account. */ | |
3365 | if (s->gc->clip_mask == Rect) | |
3366 | { | |
3367 | real_x = max (real_x, s->gc->clip_rectangle.left); | |
3368 | real_y = max (real_y, s->gc->clip_rectangle.top); | |
3369 | real_w = min (real_w, s->gc->clip_rectangle.right | |
3370 | - s->gc->clip_rectangle.left); | |
3371 | real_h = min (real_h, s->gc->clip_rectangle.bottom | |
3372 | - s->gc->clip_rectangle.top); | |
3373 | } | |
3374 | #endif | |
3375 | w32_fill_area (s->f, s->hdc, s->gc->background, real_x, real_y, | |
3376 | real_w, real_h); | |
3377 | } | |
3378 | ||
3379 | ||
3380 | /* Draw the background of glyph_string S. If S->background_filled_p | |
3381 | is non-zero don't draw it. FORCE_P non-zero means draw the | |
3382 | background even if it wouldn't be drawn normally. This is used | |
3383 | when a string preceding S draws into the background of S, or S | |
3384 | contains the first component of a composition. */ | |
3385 | ||
3386 | static void | |
3387 | x_draw_glyph_string_background (s, force_p) | |
3388 | struct glyph_string *s; | |
3389 | int force_p; | |
3390 | { | |
3391 | /* Nothing to do if background has already been drawn or if it | |
3392 | shouldn't be drawn in the first place. */ | |
3393 | if (!s->background_filled_p) | |
3394 | { | |
60222d69 AI |
3395 | int box_line_width = max (s->face->box_line_width, 0); |
3396 | ||
01b220b6 | 3397 | #if 0 /* TODO: stipple */ |
791f420f JR |
3398 | if (s->stippled_p) |
3399 | { | |
3400 | /* Fill background with a stipple pattern. */ | |
3401 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); | |
3402 | XFillRectangle (s->display, s->window, s->gc, s->x, | |
60222d69 | 3403 | s->y + box_line_width, |
791f420f | 3404 | s->background_width, |
60222d69 | 3405 | s->height - 2 * box_line_width); |
791f420f JR |
3406 | XSetFillStyle (s->display, s->gc, FillSolid); |
3407 | s->background_filled_p = 1; | |
3408 | } | |
3409 | else | |
3410 | #endif | |
60222d69 | 3411 | if (FONT_HEIGHT (s->font) < s->height - 2 * box_line_width |
791f420f JR |
3412 | || s->font_not_found_p |
3413 | || s->extends_to_end_of_line_p | |
9127e20e | 3414 | || s->font->bdf |
791f420f JR |
3415 | || force_p) |
3416 | { | |
60222d69 | 3417 | x_clear_glyph_string_rect (s, s->x, s->y + box_line_width, |
791f420f | 3418 | s->background_width, |
60222d69 | 3419 | s->height - 2 * box_line_width); |
791f420f JR |
3420 | s->background_filled_p = 1; |
3421 | } | |
3422 | } | |
3423 | } | |
3424 | ||
3425 | ||
3426 | /* Draw the foreground of glyph string S. */ | |
3427 | ||
3428 | static void | |
3429 | x_draw_glyph_string_foreground (s) | |
3430 | struct glyph_string *s; | |
3431 | { | |
3432 | int i, x; | |
01b220b6 | 3433 | HFONT old_font; |
791f420f JR |
3434 | |
3435 | /* If first glyph of S has a left box line, start drawing the text | |
3436 | of S to the right of that box line. */ | |
3437 | if (s->face->box != FACE_NO_BOX | |
3438 | && s->first_glyph->left_box_line_p) | |
60222d69 | 3439 | x = s->x + abs (s->face->box_line_width); |
791f420f JR |
3440 | else |
3441 | x = s->x; | |
3442 | ||
3443 | if (s->for_overlaps_p || (s->background_filled_p && s->hl != DRAW_CURSOR)) | |
3444 | SetBkMode (s->hdc, TRANSPARENT); | |
3445 | else | |
3446 | SetBkMode (s->hdc, OPAQUE); | |
3447 | ||
3448 | SetTextColor (s->hdc, s->gc->foreground); | |
3449 | SetBkColor (s->hdc, s->gc->background); | |
3450 | SetTextAlign (s->hdc, TA_BASELINE | TA_LEFT); | |
3451 | ||
3452 | if (s->font && s->font->hfont) | |
01b220b6 | 3453 | old_font = SelectObject (s->hdc, s->font->hfont); |
791f420f JR |
3454 | |
3455 | /* Draw characters of S as rectangles if S's font could not be | |
3456 | loaded. */ | |
3457 | if (s->font_not_found_p) | |
3458 | { | |
3459 | for (i = 0; i < s->nchars; ++i) | |
3460 | { | |
3461 | struct glyph *g = s->first_glyph + i; | |
3462 | ||
3463 | w32_draw_rectangle (s->hdc, s->gc, x, s->y, g->pixel_width - 1, | |
3464 | s->height - 1); | |
3465 | x += g->pixel_width; | |
3466 | } | |
3467 | } | |
3468 | else | |
3469 | { | |
3470 | char *char1b = (char *) s->char2b; | |
3471 | int boff = s->font_info->baseline_offset; | |
3472 | ||
3473 | if (s->font_info->vertical_centering) | |
3474 | boff = VCENTER_BASELINE_OFFSET (s->font, s->f) - boff; | |
3475 | ||
3476 | /* If we can use 8-bit functions, condense S->char2b. */ | |
3477 | if (!s->two_byte_p) | |
3478 | for (i = 0; i < s->nchars; ++i) | |
3479 | char1b[i] = BYTE2 (s->char2b[i]); | |
3480 | ||
3481 | /* Draw text with TextOut and friends. */ | |
3482 | W32_TEXTOUT (s, x, s->ybase - boff, s->char2b, s->nchars); | |
3483 | } | |
01b220b6 JR |
3484 | if (s->font && s->font->hfont) |
3485 | SelectObject (s->hdc, old_font); | |
791f420f JR |
3486 | } |
3487 | ||
3488 | /* Draw the foreground of composite glyph string S. */ | |
3489 | ||
3490 | static void | |
3491 | x_draw_composite_glyph_string_foreground (s) | |
3492 | struct glyph_string *s; | |
3493 | { | |
3494 | int i, x; | |
01b220b6 | 3495 | HFONT old_font; |
791f420f JR |
3496 | |
3497 | /* If first glyph of S has a left box line, start drawing the text | |
3498 | of S to the right of that box line. */ | |
3499 | if (s->face->box != FACE_NO_BOX | |
3500 | && s->first_glyph->left_box_line_p) | |
60222d69 | 3501 | x = s->x + abs (s->face->box_line_width); |
791f420f JR |
3502 | else |
3503 | x = s->x; | |
3504 | ||
3505 | /* S is a glyph string for a composition. S->gidx is the index of | |
3506 | the first character drawn for glyphs of this composition. | |
3507 | S->gidx == 0 means we are drawing the very first character of | |
3508 | this composition. */ | |
3509 | ||
3510 | SetTextColor (s->hdc, s->gc->foreground); | |
3511 | SetBkColor (s->hdc, s->gc->background); | |
3512 | SetBkMode (s->hdc, TRANSPARENT); | |
3513 | SetTextAlign (s->hdc, TA_BASELINE | TA_LEFT); | |
3514 | ||
01b220b6 JR |
3515 | if (s->font && s->font->hfont) |
3516 | old_font = SelectObject (s->hdc, s->font->hfont); | |
3517 | ||
791f420f JR |
3518 | /* Draw a rectangle for the composition if the font for the very |
3519 | first character of the composition could not be loaded. */ | |
3520 | if (s->font_not_found_p) | |
3521 | { | |
3522 | if (s->gidx == 0) | |
3523 | w32_draw_rectangle (s->hdc, s->gc, x, s->y, s->width - 1, | |
3524 | s->height - 1); | |
3525 | } | |
3526 | else | |
3527 | { | |
3528 | for (i = 0; i < s->nchars; i++, ++s->gidx) | |
01b220b6 JR |
3529 | W32_TEXTOUT (s, x + s->cmp->offsets[s->gidx * 2], |
3530 | s->ybase - s->cmp->offsets[s->gidx * 2 + 1], | |
3531 | s->char2b + i, 1); | |
791f420f | 3532 | } |
01b220b6 JR |
3533 | if (s->font && s->font->hfont) |
3534 | SelectObject (s->hdc, old_font); | |
791f420f JR |
3535 | } |
3536 | ||
e5fa381b JR |
3537 | |
3538 | /* Brightness beyond which a color won't have its highlight brightness | |
3539 | boosted. | |
3540 | ||
3541 | Nominally, highlight colors for `3d' faces are calculated by | |
3542 | brightening an object's color by a constant scale factor, but this | |
3543 | doesn't yield good results for dark colors, so for colors who's | |
3544 | brightness is less than this value (on a scale of 0-255) have to | |
3545 | use an additional additive factor. | |
3546 | ||
3547 | The value here is set so that the default menu-bar/mode-line color | |
3548 | (grey75) will not have its highlights changed at all. */ | |
3549 | #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187 | |
3550 | ||
3551 | ||
791f420f JR |
3552 | /* Allocate a color which is lighter or darker than *COLOR by FACTOR |
3553 | or DELTA. Try a color with RGB values multiplied by FACTOR first. | |
3554 | If this produces the same color as COLOR, try a color where all RGB | |
3555 | values have DELTA added. Return the allocated color in *COLOR. | |
3556 | DISPLAY is the X display, CMAP is the colormap to operate on. | |
3557 | Value is non-zero if successful. */ | |
3558 | ||
3559 | static int | |
3560 | w32_alloc_lighter_color (f, color, factor, delta) | |
3561 | struct frame *f; | |
3562 | COLORREF *color; | |
3563 | double factor; | |
3564 | int delta; | |
3565 | { | |
3566 | COLORREF new; | |
e5fa381b JR |
3567 | long bright; |
3568 | ||
3569 | /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */ | |
3570 | delta /= 256; | |
791f420f JR |
3571 | |
3572 | /* Change RGB values by specified FACTOR. Avoid overflow! */ | |
3573 | xassert (factor >= 0); | |
3574 | new = PALETTERGB (min (0xff, factor * GetRValue (*color)), | |
3575 | min (0xff, factor * GetGValue (*color)), | |
3576 | min (0xff, factor * GetBValue (*color))); | |
e5fa381b JR |
3577 | |
3578 | /* Calculate brightness of COLOR. */ | |
3579 | bright = (2 * GetRValue (*color) + 3 * GetGValue (*color) | |
3580 | + GetBValue (*color)) / 6; | |
3581 | ||
3582 | /* We only boost colors that are darker than | |
3583 | HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */ | |
3584 | if (bright < HIGHLIGHT_COLOR_DARK_BOOST_LIMIT) | |
3585 | /* Make an additive adjustment to NEW, because it's dark enough so | |
3586 | that scaling by FACTOR alone isn't enough. */ | |
3587 | { | |
3588 | /* How far below the limit this color is (0 - 1, 1 being darker). */ | |
3589 | double dimness = 1 - (double)bright / HIGHLIGHT_COLOR_DARK_BOOST_LIMIT; | |
3590 | /* The additive adjustment. */ | |
3591 | int min_delta = delta * dimness * factor / 2; | |
3592 | ||
3593 | if (factor < 1) | |
3594 | new = PALETTERGB (max (0, min (0xff, min_delta - GetRValue (*color))), | |
3595 | max (0, min (0xff, min_delta - GetGValue (*color))), | |
3596 | max (0, min (0xff, min_delta - GetBValue (*color)))); | |
3597 | else | |
3598 | new = PALETTERGB (max (0, min (0xff, min_delta + GetRValue (*color))), | |
3599 | max (0, min (0xff, min_delta + GetGValue (*color))), | |
3600 | max (0, min (0xff, min_delta + GetBValue (*color)))); | |
3601 | } | |
3602 | ||
791f420f JR |
3603 | if (new == *color) |
3604 | new = PALETTERGB (max (0, min (0xff, delta + GetRValue (*color))), | |
3605 | max (0, min (0xff, delta + GetGValue (*color))), | |
3606 | max (0, min (0xff, delta + GetBValue (*color)))); | |
3607 | ||
01b220b6 JR |
3608 | /* TODO: Map to palette and retry with delta if same? */ |
3609 | /* TODO: Free colors (if using palette)? */ | |
93ff4395 | 3610 | |
791f420f JR |
3611 | if (new == *color) |
3612 | return 0; | |
3613 | ||
3614 | *color = new; | |
3615 | ||
3616 | return 1; | |
3617 | } | |
3618 | ||
3619 | ||
3620 | /* Set up the foreground color for drawing relief lines of glyph | |
3621 | string S. RELIEF is a pointer to a struct relief containing the GC | |
3622 | with which lines will be drawn. Use a color that is FACTOR or | |
3623 | DELTA lighter or darker than the relief's background which is found | |
3624 | in S->f->output_data.x->relief_background. If such a color cannot | |
3625 | be allocated, use DEFAULT_PIXEL, instead. */ | |
3626 | ||
3627 | static void | |
3628 | w32_setup_relief_color (f, relief, factor, delta, default_pixel) | |
3629 | struct frame *f; | |
3630 | struct relief *relief; | |
3631 | double factor; | |
3632 | int delta; | |
3633 | COLORREF default_pixel; | |
3634 | { | |
3635 | XGCValues xgcv; | |
3636 | struct w32_output *di = f->output_data.w32; | |
3637 | unsigned long mask = GCForeground; | |
3638 | COLORREF pixel; | |
3639 | COLORREF background = di->relief_background; | |
3640 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
3641 | ||
01b220b6 | 3642 | /* TODO: Free colors (if using palette)? */ |
93ff4395 | 3643 | |
791f420f JR |
3644 | /* Allocate new color. */ |
3645 | xgcv.foreground = default_pixel; | |
3646 | pixel = background; | |
3647 | if (w32_alloc_lighter_color (f, &pixel, factor, delta)) | |
3648 | { | |
3649 | relief->allocated_p = 1; | |
3650 | xgcv.foreground = relief->pixel = pixel; | |
3651 | } | |
3652 | ||
3653 | if (relief->gc == 0) | |
3654 | { | |
01b220b6 | 3655 | #if 0 /* TODO: stipple */ |
791f420f JR |
3656 | xgcv.stipple = dpyinfo->gray; |
3657 | mask |= GCStipple; | |
3658 | #endif | |
3659 | relief->gc = XCreateGC (NULL, FRAME_W32_WINDOW (f), mask, &xgcv); | |
3660 | } | |
3661 | else | |
3662 | XChangeGC (NULL, relief->gc, mask, &xgcv); | |
3663 | } | |
3664 | ||
3665 | ||
3666 | /* Set up colors for the relief lines around glyph string S. */ | |
3667 | ||
3668 | static void | |
3669 | x_setup_relief_colors (s) | |
3670 | struct glyph_string *s; | |
3671 | { | |
3672 | struct w32_output *di = s->f->output_data.w32; | |
3673 | COLORREF color; | |
3674 | ||
3675 | if (s->face->use_box_color_for_shadows_p) | |
3676 | color = s->face->box_color; | |
6ff3e5e3 | 3677 | else if (s->first_glyph->type == IMAGE_GLYPH |
6637c996 | 3678 | && s->img->pixmap |
6ff3e5e3 JR |
3679 | && !IMAGE_BACKGROUND_TRANSPARENT (s->img, s->f, 0)) |
3680 | color = IMAGE_BACKGROUND (s->img, s->f, 0); | |
791f420f JR |
3681 | else |
3682 | color = s->gc->background; | |
3683 | ||
3684 | if (di->white_relief.gc == 0 | |
3685 | || color != di->relief_background) | |
3686 | { | |
3687 | di->relief_background = color; | |
3688 | w32_setup_relief_color (s->f, &di->white_relief, 1.2, 0x8000, | |
3689 | WHITE_PIX_DEFAULT (s->f)); | |
3690 | w32_setup_relief_color (s->f, &di->black_relief, 0.6, 0x4000, | |
3691 | BLACK_PIX_DEFAULT (s->f)); | |
3692 | } | |
3693 | } | |
3694 | ||
3695 | ||
3696 | /* Draw a relief on frame F inside the rectangle given by LEFT_X, | |
3697 | TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief | |
3698 | to draw, it must be >= 0. RAISED_P non-zero means draw a raised | |
3699 | relief. LEFT_P non-zero means draw a relief on the left side of | |
3700 | the rectangle. RIGHT_P non-zero means draw a relief on the right | |
3701 | side of the rectangle. CLIP_RECT is the clipping rectangle to use | |
3702 | when drawing. */ | |
3703 | ||
3704 | static void | |
3705 | w32_draw_relief_rect (f, left_x, top_y, right_x, bottom_y, width, | |
3706 | raised_p, left_p, right_p, clip_rect) | |
3707 | struct frame *f; | |
3708 | int left_x, top_y, right_x, bottom_y, left_p, right_p, raised_p; | |
3709 | RECT *clip_rect; | |
3710 | { | |
3711 | int i; | |
3712 | XGCValues gc; | |
3713 | HDC hdc = get_frame_dc (f); | |
3714 | ||
3715 | if (raised_p) | |
e5fa381b | 3716 | gc.foreground = f->output_data.w32->white_relief.gc->foreground; |
791f420f | 3717 | else |
e5fa381b | 3718 | gc.foreground = f->output_data.w32->black_relief.gc->foreground; |
791f420f JR |
3719 | |
3720 | w32_set_clip_rectangle (hdc, clip_rect); | |
3721 | ||
3722 | /* Top. */ | |
3723 | for (i = 0; i < width; ++i) | |
9f5a911b JR |
3724 | w32_fill_area (f, hdc, gc.foreground, |
3725 | left_x + i * left_p, top_y + i, | |
6ff3e5e3 | 3726 | (right_x + 1 - i * right_p) - (left_x + i * left_p) + 1, 1); |
791f420f JR |
3727 | |
3728 | /* Left. */ | |
3729 | if (left_p) | |
3730 | for (i = 0; i < width; ++i) | |
9f5a911b JR |
3731 | w32_fill_area (f, hdc, gc.foreground, |
3732 | left_x + i, top_y + i, 1, | |
6ff3e5e3 | 3733 | (bottom_y - i) - (top_y + i) + 2); |
791f420f JR |
3734 | |
3735 | if (raised_p) | |
e5fa381b | 3736 | gc.foreground = f->output_data.w32->black_relief.gc->foreground; |
791f420f | 3737 | else |
e5fa381b | 3738 | gc.foreground = f->output_data.w32->white_relief.gc->foreground; |
791f420f JR |
3739 | |
3740 | /* Bottom. */ | |
3741 | for (i = 0; i < width; ++i) | |
9f5a911b JR |
3742 | w32_fill_area (f, hdc, gc.foreground, |
3743 | left_x + i * left_p, bottom_y - i, | |
6ff3e5e3 | 3744 | (right_x - i * right_p) - (left_x + i * left_p) + 2, 1); |
791f420f JR |
3745 | |
3746 | /* Right. */ | |
3747 | if (right_p) | |
3748 | for (i = 0; i < width; ++i) | |
9f5a911b JR |
3749 | w32_fill_area (f, hdc, gc.foreground, |
3750 | right_x - i, top_y + i + 1, 1, | |
6ff3e5e3 | 3751 | (bottom_y - i) - (top_y + i)); |
791f420f JR |
3752 | |
3753 | w32_set_clip_rectangle (hdc, NULL); | |
3754 | ||
3755 | release_frame_dc (f, hdc); | |
3756 | } | |
3757 | ||
3758 | ||
3759 | /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y, | |
3760 | RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to | |
3761 | draw, it must be >= 0. LEFT_P non-zero means draw a line on the | |
3762 | left side of the rectangle. RIGHT_P non-zero means draw a line | |
3763 | on the right side of the rectangle. CLIP_RECT is the clipping | |
3764 | rectangle to use when drawing. */ | |
3765 | ||
3766 | static void | |
3767 | w32_draw_box_rect (s, left_x, top_y, right_x, bottom_y, width, | |
3768 | left_p, right_p, clip_rect) | |
3769 | struct glyph_string *s; | |
3770 | int left_x, top_y, right_x, bottom_y, width, left_p, right_p; | |
3771 | RECT *clip_rect; | |
3772 | { | |
00fe468b | 3773 | w32_set_clip_rectangle (s->hdc, clip_rect); |
791f420f JR |
3774 | |
3775 | /* Top. */ | |
00fe468b | 3776 | w32_fill_area (s->f, s->hdc, s->face->box_color, |
2d0c0bd7 | 3777 | left_x, top_y, right_x - left_x + 1, width); |
791f420f JR |
3778 | |
3779 | /* Left. */ | |
3780 | if (left_p) | |
3781 | { | |
00fe468b | 3782 | w32_fill_area (s->f, s->hdc, s->face->box_color, |
2d0c0bd7 | 3783 | left_x, top_y, width, bottom_y - top_y + 1); |
791f420f JR |
3784 | } |
3785 | ||
3786 | /* Bottom. */ | |
00fe468b | 3787 | w32_fill_area (s->f, s->hdc, s->face->box_color, |
2d0c0bd7 | 3788 | left_x, bottom_y - width + 1, right_x - left_x + 1, width); |
791f420f JR |
3789 | |
3790 | /* Right. */ | |
3791 | if (right_p) | |
3792 | { | |
00fe468b | 3793 | w32_fill_area (s->f, s->hdc, s->face->box_color, |
2d0c0bd7 | 3794 | right_x - width + 1, top_y, width, bottom_y - top_y + 1); |
791f420f JR |
3795 | } |
3796 | ||
00fe468b | 3797 | w32_set_clip_rectangle (s->hdc, NULL); |
791f420f JR |
3798 | } |
3799 | ||
3800 | ||
3801 | /* Draw a box around glyph string S. */ | |
3802 | ||
3803 | static void | |
3804 | x_draw_glyph_string_box (s) | |
3805 | struct glyph_string *s; | |
3806 | { | |
3807 | int width, left_x, right_x, top_y, bottom_y, last_x, raised_p; | |
3808 | int left_p, right_p; | |
3809 | struct glyph *last_glyph; | |
3810 | RECT clip_rect; | |
3811 | ||
3812 | last_x = window_box_right (s->w, s->area); | |
3813 | if (s->row->full_width_p | |
3814 | && !s->w->pseudo_window_p) | |
3815 | { | |
33c34bea | 3816 | last_x += FRAME_X_RIGHT_FRINGE_WIDTH (s->f); |
791f420f JR |
3817 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (s->f)) |
3818 | last_x += FRAME_SCROLL_BAR_WIDTH (s->f) * CANON_X_UNIT (s->f); | |
3819 | } | |
3820 | ||
3821 | /* The glyph that may have a right box line. */ | |
3822 | last_glyph = (s->cmp || s->img | |
3823 | ? s->first_glyph | |
3824 | : s->first_glyph + s->nchars - 1); | |
3825 | ||
60222d69 | 3826 | width = abs (s->face->box_line_width); |
791f420f JR |
3827 | raised_p = s->face->box == FACE_RAISED_BOX; |
3828 | left_x = s->x; | |
9f5a911b | 3829 | right_x = ((s->row->full_width_p && s->extends_to_end_of_line_p |
791f420f JR |
3830 | ? last_x - 1 |
3831 | : min (last_x, s->x + s->background_width) - 1)); | |
3832 | top_y = s->y; | |
3833 | bottom_y = top_y + s->height - 1; | |
3834 | ||
3835 | left_p = (s->first_glyph->left_box_line_p | |
3836 | || (s->hl == DRAW_MOUSE_FACE | |
3837 | && (s->prev == NULL | |
3838 | || s->prev->hl != s->hl))); | |
3839 | right_p = (last_glyph->right_box_line_p | |
3840 | || (s->hl == DRAW_MOUSE_FACE | |
3841 | && (s->next == NULL | |
3842 | || s->next->hl != s->hl))); | |
3843 | ||
3844 | w32_get_glyph_string_clip_rect (s, &clip_rect); | |
3845 | ||
3846 | if (s->face->box == FACE_SIMPLE_BOX) | |
3847 | w32_draw_box_rect (s, left_x, top_y, right_x, bottom_y, width, | |
3848 | left_p, right_p, &clip_rect); | |
3849 | else | |
3850 | { | |
3851 | x_setup_relief_colors (s); | |
3852 | w32_draw_relief_rect (s->f, left_x, top_y, right_x, bottom_y, | |
3853 | width, raised_p, left_p, right_p, &clip_rect); | |
3854 | } | |
3855 | } | |
3856 | ||
3857 | ||
3858 | /* Draw foreground of image glyph string S. */ | |
3859 | ||
3860 | static void | |
3861 | x_draw_image_foreground (s) | |
3862 | struct glyph_string *s; | |
3863 | { | |
3864 | int x; | |
9ef2e2cf | 3865 | int y = s->ybase - image_ascent (s->img, s->face); |
791f420f JR |
3866 | |
3867 | /* If first glyph of S has a left box line, start drawing it to the | |
3868 | right of that line. */ | |
3869 | if (s->face->box != FACE_NO_BOX | |
3870 | && s->first_glyph->left_box_line_p) | |
60222d69 | 3871 | x = s->x + abs (s->face->box_line_width); |
791f420f JR |
3872 | else |
3873 | x = s->x; | |
3874 | ||
3875 | /* If there is a margin around the image, adjust x- and y-position | |
3876 | by that margin. */ | |
d6ff54d5 JR |
3877 | x += s->img->hmargin; |
3878 | y += s->img->vmargin; | |
791f420f JR |
3879 | |
3880 | SaveDC (s->hdc); | |
3881 | ||
3882 | if (s->img->pixmap) | |
3883 | { | |
01b220b6 | 3884 | #if 0 /* TODO: image mask */ |
791f420f JR |
3885 | if (s->img->mask) |
3886 | { | |
3887 | /* We can't set both a clip mask and use XSetClipRectangles | |
3888 | because the latter also sets a clip mask. We also can't | |
3889 | trust on the shape extension to be available | |
3890 | (XShapeCombineRegion). So, compute the rectangle to draw | |
3891 | manually. */ | |
3892 | unsigned long mask = (GCClipMask | GCClipXOrigin | GCClipYOrigin | |
3893 | | GCFunction); | |
3894 | XGCValues xgcv; | |
3895 | XRectangle clip_rect, image_rect, r; | |
3896 | ||
3897 | xgcv.clip_mask = s->img->mask; | |
3898 | xgcv.clip_x_origin = x; | |
3899 | xgcv.clip_y_origin = y; | |
3900 | xgcv.function = GXcopy; | |
3901 | XChangeGC (s->display, s->gc, mask, &xgcv); | |
3902 | ||
3903 | w32_get_glyph_string_clip_rect (s, &clip_rect); | |
3904 | image_rect.x = x; | |
3905 | image_rect.y = y; | |
3906 | image_rect.width = s->img->width; | |
3907 | image_rect.height = s->img->height; | |
158cba56 | 3908 | if (IntersectRect (&r, &clip_rect, &image_rect)) |
791f420f JR |
3909 | XCopyArea (s->display, s->img->pixmap, s->window, s->gc, |
3910 | r.x - x, r.y - y, r.width, r.height, r.x, r.y); | |
3911 | } | |
3912 | else | |
3913 | #endif | |
3914 | { | |
3915 | HDC compat_hdc = CreateCompatibleDC (s->hdc); | |
3916 | HBRUSH fg_brush = CreateSolidBrush (s->gc->foreground); | |
3917 | HBRUSH orig_brush = SelectObject (s->hdc, fg_brush); | |
3918 | HGDIOBJ orig_obj = SelectObject (compat_hdc, s->img->pixmap); | |
158cba56 | 3919 | x_set_glyph_string_clipping (s); |
791f420f JR |
3920 | |
3921 | SetTextColor (s->hdc, s->gc->foreground); | |
3922 | SetBkColor (s->hdc, s->gc->background); | |
3923 | #if 0 /* From w32bdf.c (which is from Meadow). */ | |
3924 | BitBlt (s->hdc, x, y, s->img->width, s->img->height, | |
3925 | compat_hdc, 0, 0, SRCCOPY); | |
791f420f JR |
3926 | BitBlt (s->hdc, x, y, s->img->width, s->img->height, |
3927 | compat_hdc, 0, 0, 0xB8074A); | |
9436cdf9 JR |
3928 | #else |
3929 | BitBlt (s->hdc, x, y, s->img->width, s->img->height, | |
3930 | compat_hdc, 0, 0, 0xE20746); | |
791f420f JR |
3931 | #endif |
3932 | SelectObject (s->hdc, orig_brush); | |
3933 | DeleteObject (fg_brush); | |
3934 | SelectObject (compat_hdc, orig_obj); | |
3935 | DeleteDC (compat_hdc); | |
3936 | ||
3937 | /* When the image has a mask, we can expect that at | |
3938 | least part of a mouse highlight or a block cursor will | |
3939 | be visible. If the image doesn't have a mask, make | |
3940 | a block cursor visible by drawing a rectangle around | |
3941 | the image. I believe it's looking better if we do | |
3942 | nothing here for mouse-face. */ | |
3943 | if (s->hl == DRAW_CURSOR) | |
3944 | w32_draw_rectangle (s->hdc, s->gc, x, y, s->img->width - 1, | |
3945 | s->img->height - 1); | |
9127e20e | 3946 | w32_set_clip_rectangle (s->hdc, NULL); |
791f420f JR |
3947 | } |
3948 | } | |
3949 | else | |
3950 | w32_draw_rectangle (s->hdc, s->gc, x, y, s->img->width -1, | |
3951 | s->img->height - 1); | |
ee78dc32 | 3952 | |
791f420f JR |
3953 | RestoreDC (s->hdc ,-1); |
3954 | } | |
ee78dc32 | 3955 | |
791f420f JR |
3956 | |
3957 | ||
3958 | /* Draw a relief around the image glyph string S. */ | |
3959 | ||
3960 | static void | |
3961 | x_draw_image_relief (s) | |
3962 | struct glyph_string *s; | |
3963 | { | |
3964 | int x0, y0, x1, y1, thick, raised_p; | |
3965 | RECT r; | |
3966 | int x; | |
9ef2e2cf JR |
3967 | int y = s->ybase - image_ascent (s->img, s->face); |
3968 | ||
791f420f JR |
3969 | /* If first glyph of S has a left box line, start drawing it to the |
3970 | right of that line. */ | |
3971 | if (s->face->box != FACE_NO_BOX | |
3972 | && s->first_glyph->left_box_line_p) | |
60222d69 | 3973 | x = s->x + abs (s->face->box_line_width); |
791f420f JR |
3974 | else |
3975 | x = s->x; | |
3976 | ||
3977 | /* If there is a margin around the image, adjust x- and y-position | |
3978 | by that margin. */ | |
d6ff54d5 JR |
3979 | x += s->img->hmargin; |
3980 | y += s->img->vmargin; | |
791f420f JR |
3981 | |
3982 | if (s->hl == DRAW_IMAGE_SUNKEN | |
3983 | || s->hl == DRAW_IMAGE_RAISED) | |
3984 | { | |
6637c996 | 3985 | thick = tool_bar_button_relief >= 0 ? tool_bar_button_relief : DEFAULT_TOOL_BAR_BUTTON_RELIEF; |
791f420f JR |
3986 | raised_p = s->hl == DRAW_IMAGE_RAISED; |
3987 | } | |
3988 | else | |
ee78dc32 | 3989 | { |
791f420f JR |
3990 | thick = abs (s->img->relief); |
3991 | raised_p = s->img->relief > 0; | |
3992 | } | |
3993 | ||
3994 | x0 = x - thick; | |
3995 | y0 = y - thick; | |
3996 | x1 = x + s->img->width + thick - 1; | |
3997 | y1 = y + s->img->height + thick - 1; | |
3998 | ||
3999 | x_setup_relief_colors (s); | |
4000 | w32_get_glyph_string_clip_rect (s, &r); | |
4001 | w32_draw_relief_rect (s->f, x0, y0, x1, y1, thick, raised_p, 1, 1, &r); | |
4002 | } | |
ee78dc32 | 4003 | |
791f420f JR |
4004 | |
4005 | /* Draw the foreground of image glyph string S to PIXMAP. */ | |
4006 | ||
4007 | static void | |
4008 | w32_draw_image_foreground_1 (s, pixmap) | |
4009 | struct glyph_string *s; | |
4010 | HBITMAP pixmap; | |
4011 | { | |
4012 | HDC hdc = CreateCompatibleDC (s->hdc); | |
4013 | HGDIOBJ orig_hdc_obj = SelectObject (hdc, pixmap); | |
4014 | int x; | |
9ef2e2cf | 4015 | int y = s->ybase - s->y - image_ascent (s->img, s->face); |
791f420f JR |
4016 | |
4017 | /* If first glyph of S has a left box line, start drawing it to the | |
4018 | right of that line. */ | |
4019 | if (s->face->box != FACE_NO_BOX | |
4020 | && s->first_glyph->left_box_line_p) | |
60222d69 | 4021 | x = abs (s->face->box_line_width); |
791f420f JR |
4022 | else |
4023 | x = 0; | |
4024 | ||
4025 | /* If there is a margin around the image, adjust x- and y-position | |
4026 | by that margin. */ | |
d6ff54d5 JR |
4027 | x += s->img->hmargin; |
4028 | y += s->img->vmargin; | |
791f420f JR |
4029 | |
4030 | if (s->img->pixmap) | |
4031 | { | |
01b220b6 | 4032 | #if 0 /* TODO: image mask */ |
791f420f JR |
4033 | if (s->img->mask) |
4034 | { | |
4035 | /* We can't set both a clip mask and use XSetClipRectangles | |
4036 | because the latter also sets a clip mask. We also can't | |
4037 | trust on the shape extension to be available | |
4038 | (XShapeCombineRegion). So, compute the rectangle to draw | |
4039 | manually. */ | |
4040 | unsigned long mask = (GCClipMask | GCClipXOrigin | GCClipYOrigin | |
4041 | | GCFunction); | |
4042 | XGCValues xgcv; | |
4043 | ||
4044 | xgcv.clip_mask = s->img->mask; | |
4045 | xgcv.clip_x_origin = x; | |
4046 | xgcv.clip_y_origin = y; | |
4047 | xgcv.function = GXcopy; | |
4048 | XChangeGC (s->display, s->gc, mask, &xgcv); | |
4049 | ||
4050 | XCopyArea (s->display, s->img->pixmap, pixmap, s->gc, | |
4051 | 0, 0, s->img->width, s->img->height, x, y); | |
4052 | XSetClipMask (s->display, s->gc, None); | |
4053 | } | |
4054 | else | |
4055 | #endif | |
ef0e360f | 4056 | { |
791f420f JR |
4057 | HDC compat_hdc = CreateCompatibleDC (hdc); |
4058 | HBRUSH fg_brush = CreateSolidBrush (s->gc->foreground); | |
4059 | HBRUSH orig_brush = SelectObject (hdc, fg_brush); | |
4060 | HGDIOBJ orig_obj = SelectObject (compat_hdc, s->img->pixmap); | |
4061 | ||
4062 | SetTextColor (hdc, s->gc->foreground); | |
4063 | SetBkColor (hdc, s->gc->background); | |
4064 | #if 0 /* From w32bdf.c (which is from Meadow). */ | |
4065 | BitBlt (hdc, x, y, s->img->width, s->img->height, | |
4066 | compat_hdc, 0, 0, SRCCOPY); | |
791f420f JR |
4067 | BitBlt (hdc, x, y, s->img->width, s->img->height, |
4068 | compat_hdc, 0, 0, 0xB8074A); | |
9436cdf9 JR |
4069 | #else |
4070 | BitBlt (hdc, x, y, s->img->width, s->img->height, | |
4071 | compat_hdc, 0, 0, 0xE20746); | |
791f420f JR |
4072 | #endif |
4073 | SelectObject (hdc, orig_brush); | |
4074 | DeleteObject (fg_brush); | |
4075 | SelectObject (compat_hdc, orig_obj); | |
4076 | DeleteDC (compat_hdc); | |
4077 | ||
4078 | /* When the image has a mask, we can expect that at | |
4079 | least part of a mouse highlight or a block cursor will | |
4080 | be visible. If the image doesn't have a mask, make | |
4081 | a block cursor visible by drawing a rectangle around | |
4082 | the image. I believe it's looking better if we do | |
4083 | nothing here for mouse-face. */ | |
4084 | if (s->hl == DRAW_CURSOR) | |
4085 | w32_draw_rectangle (hdc, s->gc, x, y, s->img->width - 1, | |
4086 | s->img->height - 1); | |
ef0e360f | 4087 | } |
791f420f JR |
4088 | } |
4089 | else | |
4090 | w32_draw_rectangle (hdc, s->gc, x, y, s->img->width - 1, | |
4091 | s->img->height - 1); | |
4092 | ||
4093 | SelectObject (hdc, orig_hdc_obj); | |
4094 | DeleteDC (hdc); | |
4095 | } | |
4096 | ||
4097 | ||
4098 | /* Draw part of the background of glyph string S. X, Y, W, and H | |
4099 | give the rectangle to draw. */ | |
4100 | ||
4101 | static void | |
4102 | x_draw_glyph_string_bg_rect (s, x, y, w, h) | |
4103 | struct glyph_string *s; | |
4104 | int x, y, w, h; | |
4105 | { | |
01b220b6 | 4106 | #if 0 /* TODO: stipple */ |
791f420f JR |
4107 | if (s->stippled_p) |
4108 | { | |
4109 | /* Fill background with a stipple pattern. */ | |
4110 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); | |
4111 | XFillRectangle (s->display, s->window, s->gc, x, y, w, h); | |
4112 | XSetFillStyle (s->display, s->gc, FillSolid); | |
4113 | } | |
4114 | else | |
4115 | #endif | |
4116 | x_clear_glyph_string_rect (s, x, y, w, h); | |
4117 | } | |
4118 | ||
4119 | ||
4120 | /* Draw image glyph string S. | |
4121 | ||
4122 | s->y | |
4123 | s->x +------------------------- | |
4124 | | s->face->box | |
4125 | | | |
4126 | | +------------------------- | |
d6ff54d5 | 4127 | | | s->img->vmargin |
791f420f JR |
4128 | | | |
4129 | | | +------------------- | |
4130 | | | | the image | |
cabb23bc | 4131 | |
791f420f JR |
4132 | */ |
4133 | ||
4134 | static void | |
4135 | x_draw_image_glyph_string (s) | |
4136 | struct glyph_string *s; | |
4137 | { | |
4138 | int x, y; | |
60222d69 AI |
4139 | int box_line_hwidth = abs (s->face->box_line_width); |
4140 | int box_line_vwidth = max (s->face->box_line_width, 0); | |
791f420f JR |
4141 | int height; |
4142 | HBITMAP pixmap = 0; | |
4143 | ||
60222d69 | 4144 | height = s->height - 2 * box_line_vwidth; |
791f420f JR |
4145 | |
4146 | /* Fill background with face under the image. Do it only if row is | |
4147 | taller than image or if image has a clip mask to reduce | |
4148 | flickering. */ | |
4149 | s->stippled_p = s->face->stipple != 0; | |
4150 | if (height > s->img->height | |
d6ff54d5 | 4151 | || s->img->hmargin |
c2cc16fa | 4152 | || s->img->vmargin |
01b220b6 | 4153 | #if 0 /* TODO: image mask */ |
791f420f JR |
4154 | || s->img->mask |
4155 | #endif | |
4156 | || s->img->pixmap == 0 | |
4157 | || s->width != s->background_width) | |
4158 | { | |
60222d69 AI |
4159 | if (box_line_hwidth && s->first_glyph->left_box_line_p) |
4160 | x = s->x + box_line_hwidth; | |
791f420f JR |
4161 | else |
4162 | x = s->x; | |
4163 | ||
60222d69 | 4164 | y = s->y + box_line_vwidth; |
01b220b6 | 4165 | #if 0 /* TODO: image mask */ |
791f420f | 4166 | if (s->img->mask) |
ee78dc32 | 4167 | { |
c2cc16fa JR |
4168 | /* Create a pixmap as large as the glyph string. Fill it |
4169 | with the background color. Copy the image to it, using | |
4170 | its mask. Copy the temporary pixmap to the display. */ | |
791f420f JR |
4171 | Screen *screen = FRAME_X_SCREEN (s->f); |
4172 | int depth = DefaultDepthOfScreen (screen); | |
4173 | ||
4174 | /* Create a pixmap as large as the glyph string. */ | |
4175 | pixmap = XCreatePixmap (s->display, s->window, | |
4176 | s->background_width, | |
4177 | s->height, depth); | |
4178 | ||
4179 | /* Don't clip in the following because we're working on the | |
4180 | pixmap. */ | |
4181 | XSetClipMask (s->display, s->gc, None); | |
ee78dc32 | 4182 | |
791f420f JR |
4183 | /* Fill the pixmap with the background color/stipple. */ |
4184 | if (s->stippled_p) | |
4185 | { | |
4186 | /* Fill background with a stipple pattern. */ | |
4187 | XSetFillStyle (s->display, s->gc, FillOpaqueStippled); | |
4188 | XFillRectangle (s->display, pixmap, s->gc, | |
4189 | 0, 0, s->background_width, s->height); | |
4190 | XSetFillStyle (s->display, s->gc, FillSolid); | |
4191 | } | |
ef0e360f | 4192 | else |
791f420f JR |
4193 | { |
4194 | XGCValues xgcv; | |
4195 | XGetGCValues (s->display, s->gc, GCForeground | GCBackground, | |
4196 | &xgcv); | |
4197 | XSetForeground (s->display, s->gc, xgcv.background); | |
4198 | XFillRectangle (s->display, pixmap, s->gc, | |
4199 | 0, 0, s->background_width, s->height); | |
4200 | XSetForeground (s->display, s->gc, xgcv.foreground); | |
4201 | } | |
ee78dc32 | 4202 | } |
791f420f JR |
4203 | else |
4204 | #endif | |
791f420f JR |
4205 | x_draw_glyph_string_bg_rect (s, x, y, s->background_width, height); |
4206 | ||
4207 | s->background_filled_p = 1; | |
4208 | } | |
ee78dc32 | 4209 | |
791f420f JR |
4210 | /* Draw the foreground. */ |
4211 | if (pixmap != 0) | |
4212 | { | |
4213 | w32_draw_image_foreground_1 (s, pixmap); | |
4214 | x_set_glyph_string_clipping (s); | |
ee78dc32 | 4215 | { |
791f420f JR |
4216 | HDC compat_hdc = CreateCompatibleDC (s->hdc); |
4217 | HBRUSH fg_brush = CreateSolidBrush (s->gc->foreground); | |
4218 | HBRUSH orig_brush = SelectObject (s->hdc, fg_brush); | |
4219 | HGDIOBJ orig_obj = SelectObject (compat_hdc, pixmap); | |
4220 | ||
4221 | SetTextColor (s->hdc, s->gc->foreground); | |
4222 | SetBkColor (s->hdc, s->gc->background); | |
4223 | #if 0 /* From w32bdf.c (which is from Meadow). */ | |
4224 | BitBlt (s->hdc, s->x, s->y, s->background_width, s->height, | |
4225 | compat_hdc, 0, 0, SRCCOPY); | |
791f420f JR |
4226 | BitBlt (s->hdc, s->x, s->y, s->background_width, s->height, |
4227 | compat_hdc, 0, 0, 0xB8074A); | |
9436cdf9 JR |
4228 | #else |
4229 | BitBlt (s->hdc, s->x, s->y, s->background_width, s->height, | |
4230 | compat_hdc, 0, 0, 0xE20746); | |
791f420f JR |
4231 | #endif |
4232 | SelectObject (s->hdc, orig_brush); | |
4233 | DeleteObject (fg_brush); | |
4234 | SelectObject (compat_hdc, orig_obj); | |
4235 | DeleteDC (compat_hdc); | |
4236 | } | |
4237 | DeleteObject (pixmap); | |
4238 | pixmap = 0; | |
4239 | } | |
4240 | else | |
4241 | x_draw_image_foreground (s); | |
ee78dc32 | 4242 | |
791f420f JR |
4243 | /* If we must draw a relief around the image, do it. */ |
4244 | if (s->img->relief | |
4245 | || s->hl == DRAW_IMAGE_RAISED | |
4246 | || s->hl == DRAW_IMAGE_SUNKEN) | |
4247 | x_draw_image_relief (s); | |
4248 | } | |
ee78dc32 | 4249 | |
cabb23bc | 4250 | |
791f420f | 4251 | /* Draw stretch glyph string S. */ |
cabb23bc | 4252 | |
791f420f JR |
4253 | static void |
4254 | x_draw_stretch_glyph_string (s) | |
4255 | struct glyph_string *s; | |
4256 | { | |
4257 | xassert (s->first_glyph->type == STRETCH_GLYPH); | |
4258 | s->stippled_p = s->face->stipple != 0; | |
65c4903c | 4259 | |
791f420f JR |
4260 | if (s->hl == DRAW_CURSOR |
4261 | && !x_stretch_cursor_p) | |
4262 | { | |
4263 | /* If `x-stretch-block-cursor' is nil, don't draw a block cursor | |
4264 | as wide as the stretch glyph. */ | |
4265 | int width = min (CANON_X_UNIT (s->f), s->background_width); | |
cabb23bc | 4266 | |
791f420f JR |
4267 | /* Draw cursor. */ |
4268 | x_draw_glyph_string_bg_rect (s, s->x, s->y, width, s->height); | |
cabb23bc | 4269 | |
791f420f JR |
4270 | /* Clear rest using the GC of the original non-cursor face. */ |
4271 | if (width < s->background_width) | |
4272 | { | |
4273 | XGCValues *gc = s->face->gc; | |
4274 | int x = s->x + width, y = s->y; | |
4275 | int w = s->background_width - width, h = s->height; | |
4276 | RECT r; | |
4277 | HDC hdc = s->hdc; | |
9f5a911b JR |
4278 | |
4279 | if (s->row->mouse_face_p | |
4280 | && cursor_in_mouse_face_p (s->w)) | |
4281 | { | |
4282 | x_set_mouse_face_gc (s); | |
4283 | gc = s->gc; | |
4284 | } | |
4285 | else | |
4286 | gc = s->face->gc; | |
4287 | ||
791f420f JR |
4288 | w32_get_glyph_string_clip_rect (s, &r); |
4289 | w32_set_clip_rectangle (hdc, &r); | |
4290 | ||
01b220b6 | 4291 | #if 0 /* TODO: stipple */ |
791f420f JR |
4292 | if (s->face->stipple) |
4293 | { | |
4294 | /* Fill background with a stipple pattern. */ | |
4295 | XSetFillStyle (s->display, gc, FillOpaqueStippled); | |
4296 | XFillRectangle (s->display, s->window, gc, x, y, w, h); | |
4297 | XSetFillStyle (s->display, gc, FillSolid); | |
4298 | } | |
4299 | else | |
4300 | #endif | |
4301 | { | |
4302 | w32_fill_area (s->f, s->hdc, gc->background, x, y, w, h); | |
4303 | } | |
4304 | } | |
4305 | } | |
9f5a911b | 4306 | else if (!s->background_filled_p) |
791f420f JR |
4307 | x_draw_glyph_string_bg_rect (s, s->x, s->y, s->background_width, |
4308 | s->height); | |
4309 | ||
4310 | s->background_filled_p = 1; | |
4311 | } | |
cabb23bc | 4312 | |
cabb23bc | 4313 | |
791f420f JR |
4314 | /* Draw glyph string S. */ |
4315 | ||
4316 | static void | |
4317 | x_draw_glyph_string (s) | |
4318 | struct glyph_string *s; | |
4319 | { | |
858a55c1 AI |
4320 | int relief_drawn_p = 0; |
4321 | ||
791f420f JR |
4322 | /* If S draws into the background of its successor, draw the |
4323 | background of the successor first so that S can draw into it. | |
4324 | This makes S->next use XDrawString instead of XDrawImageString. */ | |
4325 | if (s->next && s->right_overhang && !s->for_overlaps_p) | |
4326 | { | |
4327 | xassert (s->next->img == NULL); | |
4328 | x_set_glyph_string_gc (s->next); | |
4329 | x_set_glyph_string_clipping (s->next); | |
4330 | x_draw_glyph_string_background (s->next, 1); | |
4331 | } | |
4332 | ||
4333 | /* Set up S->gc, set clipping and draw S. */ | |
4334 | x_set_glyph_string_gc (s); | |
791f420f | 4335 | |
858a55c1 AI |
4336 | /* Draw relief (if any) in advance for char/composition so that the |
4337 | glyph string can be drawn over it. */ | |
4338 | if (!s->for_overlaps_p | |
4339 | && s->face->box != FACE_NO_BOX | |
4340 | && (s->first_glyph->type == CHAR_GLYPH | |
4341 | || s->first_glyph->type == COMPOSITE_GLYPH)) | |
4342 | ||
4343 | { | |
9f5a911b | 4344 | x_set_glyph_string_clipping (s); |
858a55c1 AI |
4345 | x_draw_glyph_string_background (s, 1); |
4346 | x_draw_glyph_string_box (s); | |
9f5a911b | 4347 | x_set_glyph_string_clipping (s); |
858a55c1 AI |
4348 | relief_drawn_p = 1; |
4349 | } | |
9f5a911b JR |
4350 | else |
4351 | x_set_glyph_string_clipping (s); | |
858a55c1 | 4352 | |
791f420f JR |
4353 | switch (s->first_glyph->type) |
4354 | { | |
4355 | case IMAGE_GLYPH: | |
4356 | x_draw_image_glyph_string (s); | |
4357 | break; | |
4358 | ||
4359 | case STRETCH_GLYPH: | |
4360 | x_draw_stretch_glyph_string (s); | |
4361 | break; | |
4362 | ||
4363 | case CHAR_GLYPH: | |
4364 | if (s->for_overlaps_p) | |
4365 | s->background_filled_p = 1; | |
4366 | else | |
4367 | x_draw_glyph_string_background (s, 0); | |
4368 | x_draw_glyph_string_foreground (s); | |
4369 | break; | |
4370 | ||
4371 | case COMPOSITE_GLYPH: | |
4372 | if (s->for_overlaps_p || s->gidx > 0) | |
4373 | s->background_filled_p = 1; | |
4374 | else | |
4375 | x_draw_glyph_string_background (s, 1); | |
4376 | x_draw_composite_glyph_string_foreground (s); | |
4377 | break; | |
4378 | ||
4379 | default: | |
4380 | abort (); | |
4381 | } | |
4382 | ||
4383 | if (!s->for_overlaps_p) | |
4384 | { | |
4385 | /* Draw underline. */ | |
9ef2e2cf JR |
4386 | if (s->face->underline_p |
4387 | && (s->font->bdf || !s->font->tm.tmUnderlined)) | |
791f420f JR |
4388 | { |
4389 | unsigned long h = 1; | |
4390 | unsigned long dy = s->height - h; | |
4391 | ||
9f5a911b JR |
4392 | /* TODO: Use font information for positioning and thickness |
4393 | of underline. See OUTLINETEXTMETRIC, and xterm.c. */ | |
791f420f JR |
4394 | if (s->face->underline_defaulted_p) |
4395 | { | |
4396 | w32_fill_area (s->f, s->hdc, s->gc->foreground, s->x, | |
4397 | s->y + dy, s->width, 1); | |
4398 | } | |
4399 | else | |
4400 | { | |
4401 | w32_fill_area (s->f, s->hdc, s->face->underline_color, s->x, | |
4402 | s->y + dy, s->width, 1); | |
4403 | } | |
4404 | } | |
4405 | ||
4406 | /* Draw overline. */ | |
4407 | if (s->face->overline_p) | |
4408 | { | |
4409 | unsigned long dy = 0, h = 1; | |
4410 | ||
4411 | if (s->face->overline_color_defaulted_p) | |
4412 | { | |
4413 | w32_fill_area (s->f, s->hdc, s->gc->foreground, s->x, | |
4414 | s->y + dy, s->width, h); | |
4415 | } | |
4416 | else | |
4417 | { | |
4418 | w32_fill_area (s->f, s->hdc, s->face->underline_color, s->x, | |
4419 | s->y + dy, s->width, h); | |
4420 | } | |
4421 | } | |
4422 | ||
4423 | /* Draw strike-through. */ | |
9ef2e2cf JR |
4424 | if (s->face->strike_through_p |
4425 | && (s->font->bdf || !s->font->tm.tmStruckOut)) | |
791f420f JR |
4426 | { |
4427 | unsigned long h = 1; | |
4428 | unsigned long dy = (s->height - h) / 2; | |
4429 | ||
4430 | if (s->face->strike_through_color_defaulted_p) | |
4431 | { | |
4432 | w32_fill_area (s->f, s->hdc, s->gc->foreground, s->x, s->y + dy, | |
4433 | s->width, h); | |
4434 | } | |
4435 | else | |
4436 | { | |
4437 | w32_fill_area (s->f, s->hdc, s->face->underline_color, s->x, | |
4438 | s->y + dy, s->width, h); | |
4439 | } | |
4440 | } | |
4441 | ||
4442 | /* Draw relief. */ | |
858a55c1 | 4443 | if (!relief_drawn_p && s->face->box != FACE_NO_BOX) |
791f420f JR |
4444 | x_draw_glyph_string_box (s); |
4445 | } | |
4446 | ||
4447 | /* Reset clipping. */ | |
4448 | w32_set_clip_rectangle (s->hdc, NULL); | |
4449 | } | |
4450 | ||
4451 | ||
4452 | static int x_fill_composite_glyph_string P_ ((struct glyph_string *, | |
4453 | struct face **, int)); | |
4454 | ||
4455 | ||
c2cc16fa JR |
4456 | /* Fill glyph string S with composition components specified by S->cmp. |
4457 | ||
791f420f JR |
4458 | FACES is an array of faces for all components of this composition. |
4459 | S->gidx is the index of the first component for S. | |
4460 | OVERLAPS_P non-zero means S should draw the foreground only, and | |
c2cc16fa | 4461 | use its physical height for clipping. |
791f420f JR |
4462 | |
4463 | Value is the index of a component not in S. */ | |
4464 | ||
4465 | static int | |
4466 | x_fill_composite_glyph_string (s, faces, overlaps_p) | |
4467 | struct glyph_string *s; | |
4468 | struct face **faces; | |
4469 | int overlaps_p; | |
4470 | { | |
4471 | int i; | |
4472 | ||
4473 | xassert (s); | |
4474 | ||
4475 | s->for_overlaps_p = overlaps_p; | |
4476 | ||
4477 | s->face = faces[s->gidx]; | |
4478 | s->font = s->face->font; | |
4479 | s->font_info = FONT_INFO_FROM_ID (s->f, s->face->font_info_id); | |
4480 | ||
4481 | /* For all glyphs of this composition, starting at the offset | |
4482 | S->gidx, until we reach the end of the definition or encounter a | |
4483 | glyph that requires the different face, add it to S. */ | |
4484 | ++s->nchars; | |
4485 | for (i = s->gidx + 1; i < s->cmp->glyph_len && faces[i] == s->face; ++i) | |
4486 | ++s->nchars; | |
4487 | ||
4488 | /* All glyph strings for the same composition has the same width, | |
4489 | i.e. the width set for the first component of the composition. */ | |
4490 | ||
4491 | s->width = s->first_glyph->pixel_width; | |
4492 | ||
4493 | /* If the specified font could not be loaded, use the frame's | |
4494 | default font, but record the fact that we couldn't load it in | |
4495 | the glyph string so that we can draw rectangles for the | |
4496 | characters of the glyph string. */ | |
4497 | if (s->font == NULL) | |
4498 | { | |
4499 | s->font_not_found_p = 1; | |
4500 | s->font = FRAME_FONT (s->f); | |
4501 | } | |
4502 | ||
4503 | /* Adjust base line for subscript/superscript text. */ | |
4504 | s->ybase += s->first_glyph->voffset; | |
4505 | ||
4506 | xassert (s->face && s->face->gc); | |
4507 | ||
4508 | /* This glyph string must always be drawn with 16-bit functions. */ | |
4509 | s->two_byte_p = 1; | |
4510 | ||
4511 | return s->gidx + s->nchars; | |
4512 | } | |
4513 | ||
4514 | ||
c2cc16fa JR |
4515 | /* Fill glyph string S from a sequence of character glyphs. |
4516 | ||
791f420f JR |
4517 | FACE_ID is the face id of the string. START is the index of the |
4518 | first glyph to consider, END is the index of the last + 1. | |
4519 | OVERLAPS_P non-zero means S should draw the foreground only, and | |
c2cc16fa | 4520 | use its physical height for clipping. |
791f420f JR |
4521 | |
4522 | Value is the index of the first glyph not in S. */ | |
4523 | ||
4524 | static int | |
4525 | x_fill_glyph_string (s, face_id, start, end, overlaps_p) | |
4526 | struct glyph_string *s; | |
4527 | int face_id; | |
4528 | int start, end, overlaps_p; | |
4529 | { | |
4530 | struct glyph *glyph, *last; | |
4531 | int voffset; | |
93ff4395 | 4532 | int glyph_not_available_p; |
791f420f JR |
4533 | |
4534 | xassert (s->f == XFRAME (s->w->frame)); | |
4535 | xassert (s->nchars == 0); | |
4536 | xassert (start >= 0 && end > start); | |
4537 | ||
4538 | s->for_overlaps_p = overlaps_p; | |
791f420f JR |
4539 | glyph = s->row->glyphs[s->area] + start; |
4540 | last = s->row->glyphs[s->area] + end; | |
4541 | voffset = glyph->voffset; | |
93ff4395 JR |
4542 | |
4543 | glyph_not_available_p = glyph->glyph_not_available_p; | |
4544 | ||
791f420f JR |
4545 | while (glyph < last |
4546 | && glyph->type == CHAR_GLYPH | |
4547 | && glyph->voffset == voffset | |
93ff4395 JR |
4548 | /* Same face id implies same font, nowadays. */ |
4549 | && glyph->face_id == face_id | |
4550 | && glyph->glyph_not_available_p == glyph_not_available_p) | |
791f420f | 4551 | { |
93ff4395 JR |
4552 | int two_byte_p; |
4553 | ||
791f420f | 4554 | s->face = x_get_glyph_face_and_encoding (s->f, glyph, |
93ff4395 JR |
4555 | s->char2b + s->nchars, |
4556 | &two_byte_p); | |
4557 | s->two_byte_p = two_byte_p; | |
791f420f JR |
4558 | ++s->nchars; |
4559 | xassert (s->nchars <= end - start); | |
4560 | s->width += glyph->pixel_width; | |
4561 | ++glyph; | |
4562 | } | |
4563 | ||
4564 | s->font = s->face->font; | |
4565 | s->font_info = FONT_INFO_FROM_ID (s->f, s->face->font_info_id); | |
4566 | ||
4567 | /* If the specified font could not be loaded, use the frame's font, | |
4568 | but record the fact that we couldn't load it in | |
4569 | S->font_not_found_p so that we can draw rectangles for the | |
4570 | characters of the glyph string. */ | |
93ff4395 | 4571 | if (s->font == NULL || glyph_not_available_p) |
791f420f JR |
4572 | { |
4573 | s->font_not_found_p = 1; | |
4574 | s->font = FRAME_FONT (s->f); | |
4575 | } | |
4576 | ||
4577 | /* Adjust base line for subscript/superscript text. */ | |
4578 | s->ybase += voffset; | |
4579 | ||
4580 | xassert (s->face && s->face->gc); | |
4581 | return glyph - s->row->glyphs[s->area]; | |
4582 | } | |
4583 | ||
4584 | ||
4585 | /* Fill glyph string S from image glyph S->first_glyph. */ | |
4586 | ||
4587 | static void | |
4588 | x_fill_image_glyph_string (s) | |
4589 | struct glyph_string *s; | |
4590 | { | |
4591 | xassert (s->first_glyph->type == IMAGE_GLYPH); | |
4592 | s->img = IMAGE_FROM_ID (s->f, s->first_glyph->u.img_id); | |
4593 | xassert (s->img); | |
4594 | s->face = FACE_FROM_ID (s->f, s->first_glyph->face_id); | |
4595 | s->font = s->face->font; | |
4596 | s->width = s->first_glyph->pixel_width; | |
4597 | ||
4598 | /* Adjust base line for subscript/superscript text. */ | |
4599 | s->ybase += s->first_glyph->voffset; | |
4600 | } | |
4601 | ||
4602 | ||
ec48c3a7 | 4603 | /* Fill glyph string S from a sequence of stretch glyphs. |
791f420f | 4604 | |
ec48c3a7 JR |
4605 | ROW is the glyph row in which the glyphs are found, AREA is the |
4606 | area within the row. START is the index of the first glyph to | |
4607 | consider, END is the index of the last + 1. | |
4608 | ||
4609 | Value is the index of the first glyph not in S. */ | |
4610 | ||
4611 | static int | |
4612 | x_fill_stretch_glyph_string (s, row, area, start, end) | |
791f420f | 4613 | struct glyph_string *s; |
ec48c3a7 JR |
4614 | struct glyph_row *row; |
4615 | enum glyph_row_area area; | |
4616 | int start, end; | |
791f420f | 4617 | { |
ec48c3a7 JR |
4618 | struct glyph *glyph, *last; |
4619 | int voffset, face_id; | |
4620 | ||
791f420f | 4621 | xassert (s->first_glyph->type == STRETCH_GLYPH); |
ec48c3a7 JR |
4622 | |
4623 | glyph = s->row->glyphs[s->area] + start; | |
4624 | last = s->row->glyphs[s->area] + end; | |
4625 | face_id = glyph->face_id; | |
4626 | s->face = FACE_FROM_ID (s->f, face_id); | |
791f420f | 4627 | s->font = s->face->font; |
ec48c3a7 JR |
4628 | s->font_info = FONT_INFO_FROM_ID (s->f, s->face->font_info_id); |
4629 | s->width = glyph->pixel_width; | |
4630 | voffset = glyph->voffset; | |
4631 | ||
4632 | for (++glyph; | |
4633 | (glyph < last | |
4634 | && glyph->type == STRETCH_GLYPH | |
4635 | && glyph->voffset == voffset | |
4636 | && glyph->face_id == face_id); | |
4637 | ++glyph) | |
4638 | s->width += glyph->pixel_width; | |
791f420f JR |
4639 | |
4640 | /* Adjust base line for subscript/superscript text. */ | |
ec48c3a7 JR |
4641 | s->ybase += voffset; |
4642 | ||
9f5a911b | 4643 | xassert (s->face); |
ec48c3a7 | 4644 | return glyph - s->row->glyphs[s->area]; |
791f420f JR |
4645 | } |
4646 | ||
4647 | ||
4648 | /* Initialize glyph string S. CHAR2B is a suitably allocated vector | |
4649 | of XChar2b structures for S; it can't be allocated in | |
4650 | x_init_glyph_string because it must be allocated via `alloca'. W | |
4651 | is the window on which S is drawn. ROW and AREA are the glyph row | |
4652 | and area within the row from which S is constructed. START is the | |
4653 | index of the first glyph structure covered by S. HL is a | |
4654 | face-override for drawing S. */ | |
4655 | ||
4656 | static void | |
4657 | w32_init_glyph_string (s, hdc, char2b, w, row, area, start, hl) | |
4658 | struct glyph_string *s; | |
4659 | HDC hdc; | |
4660 | wchar_t *char2b; | |
4661 | struct window *w; | |
4662 | struct glyph_row *row; | |
4663 | enum glyph_row_area area; | |
4664 | int start; | |
4665 | enum draw_glyphs_face hl; | |
4666 | { | |
4667 | bzero (s, sizeof *s); | |
4668 | s->w = w; | |
4669 | s->f = XFRAME (w->frame); | |
4670 | s->hdc = hdc; | |
4671 | s->window = FRAME_W32_WINDOW (s->f); | |
4672 | s->char2b = char2b; | |
4673 | s->hl = hl; | |
4674 | s->row = row; | |
4675 | s->area = area; | |
4676 | s->first_glyph = row->glyphs[area] + start; | |
4677 | s->height = row->height; | |
4678 | s->y = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); | |
4679 | ||
4680 | /* Display the internal border below the tool-bar window. */ | |
4681 | if (s->w == XWINDOW (s->f->tool_bar_window)) | |
4682 | s->y -= s->f->output_data.w32->internal_border_width; | |
4683 | ||
4684 | s->ybase = s->y + row->ascent; | |
4685 | } | |
4686 | ||
4687 | ||
4688 | /* Set background width of glyph string S. START is the index of the | |
4689 | first glyph following S. LAST_X is the right-most x-position + 1 | |
4690 | in the drawing area. */ | |
4691 | ||
4692 | static INLINE void | |
4693 | x_set_glyph_string_background_width (s, start, last_x) | |
4694 | struct glyph_string *s; | |
4695 | int start; | |
4696 | int last_x; | |
4697 | { | |
4698 | /* If the face of this glyph string has to be drawn to the end of | |
4699 | the drawing area, set S->extends_to_end_of_line_p. */ | |
4700 | struct face *default_face = FACE_FROM_ID (s->f, DEFAULT_FACE_ID); | |
4701 | ||
4702 | if (start == s->row->used[s->area] | |
5b844253 | 4703 | && s->area == TEXT_AREA |
f4fccc1e EZ |
4704 | && ((s->hl == DRAW_NORMAL_TEXT |
4705 | && (s->row->fill_line_p | |
4706 | || s->face->background != default_face->background | |
4707 | || s->face->stipple != default_face->stipple | |
4708 | || s->row->mouse_face_p)) | |
6ff3e5e3 JR |
4709 | || s->hl == DRAW_MOUSE_FACE |
4710 | || ((s->hl == DRAW_IMAGE_RAISED || s->hl == DRAW_IMAGE_SUNKEN) | |
4711 | && s->row->fill_line_p))) | |
791f420f JR |
4712 | s->extends_to_end_of_line_p = 1; |
4713 | ||
4714 | /* If S extends its face to the end of the line, set its | |
4715 | background_width to the distance to the right edge of the drawing | |
4716 | area. */ | |
4717 | if (s->extends_to_end_of_line_p) | |
4718 | s->background_width = last_x - s->x + 1; | |
4719 | else | |
4720 | s->background_width = s->width; | |
4721 | } | |
4722 | ||
4723 | ||
4724 | /* Add a glyph string for a stretch glyph to the list of strings | |
4725 | between HEAD and TAIL. START is the index of the stretch glyph in | |
4726 | row area AREA of glyph row ROW. END is the index of the last glyph | |
4727 | in that glyph row area. X is the current output position assigned | |
4728 | to the new glyph string constructed. HL overrides that face of the | |
4729 | glyph; e.g. it is DRAW_CURSOR if a cursor has to be drawn. LAST_X | |
4730 | is the right-most x-position of the drawing area. */ | |
4731 | ||
4732 | #define BUILD_STRETCH_GLYPH_STRING(hdc, W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X) \ | |
4733 | do \ | |
4734 | { \ | |
4735 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
4736 | w32_init_glyph_string (s, hdc, NULL, W, ROW, AREA, START, HL); \ | |
ec48c3a7 | 4737 | START = x_fill_stretch_glyph_string (s, ROW, AREA, START, END); \ |
791f420f | 4738 | x_append_glyph_string (&HEAD, &TAIL, s); \ |
791f420f JR |
4739 | s->x = (X); \ |
4740 | } \ | |
4741 | while (0) | |
4742 | ||
4743 | ||
4744 | /* Add a glyph string for an image glyph to the list of strings | |
4745 | between HEAD and TAIL. START is the index of the image glyph in | |
4746 | row area AREA of glyph row ROW. END is the index of the last glyph | |
4747 | in that glyph row area. X is the current output position assigned | |
4748 | to the new glyph string constructed. HL overrides that face of the | |
4749 | glyph; e.g. it is DRAW_CURSOR if a cursor has to be drawn. LAST_X | |
4750 | is the right-most x-position of the drawing area. */ | |
4751 | ||
4752 | #define BUILD_IMAGE_GLYPH_STRING(hdc, W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X) \ | |
4753 | do \ | |
4754 | { \ | |
4755 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
4756 | w32_init_glyph_string (s, hdc, NULL, W, ROW, AREA, START, HL); \ | |
4757 | x_fill_image_glyph_string (s); \ | |
4758 | x_append_glyph_string (&HEAD, &TAIL, s); \ | |
4759 | ++START; \ | |
4760 | s->x = (X); \ | |
4761 | } \ | |
4762 | while (0) | |
4763 | ||
4764 | ||
4765 | /* Add a glyph string for a sequence of character glyphs to the list | |
4766 | of strings between HEAD and TAIL. START is the index of the first | |
4767 | glyph in row area AREA of glyph row ROW that is part of the new | |
4768 | glyph string. END is the index of the last glyph in that glyph row | |
4769 | area. X is the current output position assigned to the new glyph | |
4770 | string constructed. HL overrides that face of the glyph; e.g. it | |
4771 | is DRAW_CURSOR if a cursor has to be drawn. LAST_X is the | |
4772 | right-most x-position of the drawing area. */ | |
4773 | ||
4774 | #define BUILD_CHAR_GLYPH_STRINGS(hdc, W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \ | |
4775 | do \ | |
4776 | { \ | |
ec48c3a7 | 4777 | int c, face_id; \ |
791f420f JR |
4778 | wchar_t *char2b; \ |
4779 | \ | |
4780 | c = (ROW)->glyphs[AREA][START].u.ch; \ | |
791f420f | 4781 | face_id = (ROW)->glyphs[AREA][START].face_id; \ |
9ef2e2cf | 4782 | \ |
791f420f JR |
4783 | s = (struct glyph_string *) alloca (sizeof *s); \ |
4784 | char2b = (wchar_t *) alloca ((END - START) * sizeof *char2b); \ | |
4785 | w32_init_glyph_string (s, hdc, char2b, W, ROW, AREA, START, HL); \ | |
4786 | x_append_glyph_string (&HEAD, &TAIL, s); \ | |
791f420f JR |
4787 | s->x = (X); \ |
4788 | START = x_fill_glyph_string (s, face_id, START, END, \ | |
4789 | OVERLAPS_P); \ | |
4790 | } \ | |
4791 | while (0) | |
4792 | ||
4793 | ||
4794 | /* Add a glyph string for a composite sequence to the list of strings | |
4795 | between HEAD and TAIL. START is the index of the first glyph in | |
4796 | row area AREA of glyph row ROW that is part of the new glyph | |
4797 | string. END is the index of the last glyph in that glyph row area. | |
4798 | X is the current output position assigned to the new glyph string | |
4799 | constructed. HL overrides that face of the glyph; e.g. it is | |
4800 | DRAW_CURSOR if a cursor has to be drawn. LAST_X is the right-most | |
4801 | x-position of the drawing area. */ | |
4802 | ||
4803 | #define BUILD_COMPOSITE_GLYPH_STRING(hdc, W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \ | |
4804 | do { \ | |
4805 | int cmp_id = (ROW)->glyphs[AREA][START].u.cmp_id; \ | |
4806 | int face_id = (ROW)->glyphs[AREA][START].face_id; \ | |
93ff4395 | 4807 | struct face *base_face = FACE_FROM_ID (XFRAME (w->frame), face_id); \ |
791f420f JR |
4808 | struct composition *cmp = composition_table[cmp_id]; \ |
4809 | int glyph_len = cmp->glyph_len; \ | |
4810 | wchar_t *char2b; \ | |
4811 | struct face **faces; \ | |
4812 | struct glyph_string *first_s = NULL; \ | |
4813 | int n; \ | |
4814 | \ | |
93ff4395 | 4815 | base_face = base_face->ascii_face; \ |
791f420f JR |
4816 | char2b = (wchar_t *) alloca ((sizeof *char2b) * glyph_len); \ |
4817 | faces = (struct face **) alloca ((sizeof *faces) * glyph_len); \ | |
4818 | /* At first, fill in `char2b' and `faces'. */ \ | |
4819 | for (n = 0; n < glyph_len; n++) \ | |
4820 | { \ | |
4821 | int c = COMPOSITION_GLYPH (cmp, n); \ | |
93ff4395 JR |
4822 | int this_face_id = FACE_FOR_CHAR (XFRAME (w->frame), base_face, c); \ |
4823 | faces[n] = FACE_FROM_ID (XFRAME (w->frame), this_face_id); \ | |
4824 | x_get_char_face_and_encoding (XFRAME (w->frame), c, \ | |
4825 | this_face_id, char2b + n, 1); \ | |
791f420f JR |
4826 | } \ |
4827 | \ | |
4828 | /* Make glyph_strings for each glyph sequence that is drawable by \ | |
4829 | the same face, and append them to HEAD/TAIL. */ \ | |
4830 | for (n = 0; n < cmp->glyph_len;) \ | |
4831 | { \ | |
4832 | s = (struct glyph_string *) alloca (sizeof *s); \ | |
4833 | w32_init_glyph_string (s, hdc, char2b + n, W, ROW, AREA, START, HL); \ | |
4834 | x_append_glyph_string (&(HEAD), &(TAIL), s); \ | |
4835 | s->cmp = cmp; \ | |
4836 | s->gidx = n; \ | |
791f420f JR |
4837 | s->x = (X); \ |
4838 | \ | |
4839 | if (n == 0) \ | |
4840 | first_s = s; \ | |
4841 | \ | |
4842 | n = x_fill_composite_glyph_string (s, faces, OVERLAPS_P); \ | |
4843 | } \ | |
4844 | \ | |
4845 | ++START; \ | |
4846 | s = first_s; \ | |
4847 | } while (0) | |
4848 | ||
9ef2e2cf | 4849 | |
791f420f JR |
4850 | /* Build a list of glyph strings between HEAD and TAIL for the glyphs |
4851 | of AREA of glyph row ROW on window W between indices START and END. | |
4852 | HL overrides the face for drawing glyph strings, e.g. it is | |
4853 | DRAW_CURSOR to draw a cursor. X and LAST_X are start and end | |
4854 | x-positions of the drawing area. | |
4855 | ||
4856 | This is an ugly monster macro construct because we must use alloca | |
4857 | to allocate glyph strings (because x_draw_glyphs can be called | |
4858 | asynchronously). */ | |
4859 | ||
4860 | #define BUILD_GLYPH_STRINGS(hdc, W, ROW, AREA, START, END, HEAD, TAIL, HL, X, LAST_X, OVERLAPS_P) \ | |
4861 | do \ | |
4862 | { \ | |
4863 | HEAD = TAIL = NULL; \ | |
4864 | while (START < END) \ | |
4865 | { \ | |
4866 | struct glyph *first_glyph = (ROW)->glyphs[AREA] + START; \ | |
4867 | switch (first_glyph->type) \ | |
4868 | { \ | |
4869 | case CHAR_GLYPH: \ | |
4870 | BUILD_CHAR_GLYPH_STRINGS (hdc, W, ROW, AREA, START, END, \ | |
4871 | HEAD, TAIL, HL, X, LAST_X, \ | |
4872 | OVERLAPS_P); \ | |
4873 | break; \ | |
4874 | \ | |
4875 | case COMPOSITE_GLYPH: \ | |
4876 | BUILD_COMPOSITE_GLYPH_STRING (hdc, W, ROW, AREA, START, \ | |
4877 | END, HEAD, TAIL, HL, X, \ | |
4878 | LAST_X, OVERLAPS_P); \ | |
4879 | break; \ | |
4880 | \ | |
4881 | case STRETCH_GLYPH: \ | |
4882 | BUILD_STRETCH_GLYPH_STRING (hdc, W, ROW, AREA, START, END,\ | |
4883 | HEAD, TAIL, HL, X, LAST_X); \ | |
4884 | break; \ | |
4885 | \ | |
4886 | case IMAGE_GLYPH: \ | |
4887 | BUILD_IMAGE_GLYPH_STRING (hdc, W, ROW, AREA, START, END, \ | |
4888 | HEAD, TAIL, HL, X, LAST_X); \ | |
4889 | break; \ | |
4890 | \ | |
4891 | default: \ | |
4892 | abort (); \ | |
4893 | } \ | |
4894 | \ | |
4895 | x_set_glyph_string_background_width (s, START, LAST_X); \ | |
4896 | (X) += s->width; \ | |
4897 | } \ | |
4898 | } \ | |
4899 | while (0) | |
4900 | ||
4901 | ||
4902 | /* Draw glyphs between START and END in AREA of ROW on window W, | |
4903 | starting at x-position X. X is relative to AREA in W. HL is a | |
4904 | face-override with the following meaning: | |
4905 | ||
4906 | DRAW_NORMAL_TEXT draw normally | |
4907 | DRAW_CURSOR draw in cursor face | |
4908 | DRAW_MOUSE_FACE draw in mouse face. | |
4909 | DRAW_INVERSE_VIDEO draw in mode line face | |
4910 | DRAW_IMAGE_SUNKEN draw an image with a sunken relief around it | |
4911 | DRAW_IMAGE_RAISED draw an image with a raised relief around it | |
4912 | ||
791f420f JR |
4913 | If OVERLAPS_P is non-zero, draw only the foreground of characters |
4914 | and clip to the physical height of ROW. | |
4915 | ||
4916 | Value is the x-position reached, relative to AREA of W. */ | |
4917 | ||
4918 | static int | |
6ff3e5e3 | 4919 | x_draw_glyphs (w, x, row, area, start, end, hl, overlaps_p) |
791f420f JR |
4920 | struct window *w; |
4921 | int x; | |
4922 | struct glyph_row *row; | |
4923 | enum glyph_row_area area; | |
4924 | int start, end; | |
4925 | enum draw_glyphs_face hl; | |
791f420f JR |
4926 | int overlaps_p; |
4927 | { | |
4928 | struct glyph_string *head, *tail; | |
4929 | struct glyph_string *s; | |
4930 | int last_x, area_width; | |
4931 | int x_reached; | |
4932 | int i, j; | |
4933 | HDC hdc = get_frame_dc (XFRAME (WINDOW_FRAME (w))); | |
4934 | ||
4935 | /* Let's rather be paranoid than getting a SEGV. */ | |
791f420f | 4936 | end = min (end, row->used[area]); |
9127e20e JR |
4937 | start = max (0, start); |
4938 | start = min (end, start); | |
791f420f JR |
4939 | |
4940 | /* Translate X to frame coordinates. Set last_x to the right | |
4941 | end of the drawing area. */ | |
4942 | if (row->full_width_p) | |
4943 | { | |
791f420f | 4944 | /* X is relative to the left edge of W, without scroll bars |
33c34bea | 4945 | or fringes. */ |
ec48c3a7 | 4946 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
791f420f | 4947 | int window_left_x = WINDOW_LEFT_MARGIN (w) * CANON_X_UNIT (f); |
ee78dc32 | 4948 | |
791f420f JR |
4949 | x += window_left_x; |
4950 | area_width = XFASTINT (w->width) * CANON_X_UNIT (f); | |
4951 | last_x = window_left_x + area_width; | |
ee78dc32 | 4952 | |
791f420f JR |
4953 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) |
4954 | { | |
4955 | int width = FRAME_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f); | |
4956 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) | |
4957 | last_x += width; | |
4958 | else | |
4959 | x -= width; | |
4960 | } | |
ee78dc32 | 4961 | |
791f420f JR |
4962 | x += FRAME_INTERNAL_BORDER_WIDTH (f); |
4963 | last_x -= FRAME_INTERNAL_BORDER_WIDTH (f); | |
4964 | } | |
4965 | else | |
4966 | { | |
4967 | x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, area, x); | |
4968 | area_width = window_box_width (w, area); | |
4969 | last_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, area, area_width); | |
4970 | } | |
e12ca9c2 | 4971 | |
791f420f JR |
4972 | /* Build a doubly-linked list of glyph_string structures between |
4973 | head and tail from what we have to draw. Note that the macro | |
4974 | BUILD_GLYPH_STRINGS will modify its start parameter. That's | |
4975 | the reason we use a separate variable `i'. */ | |
4976 | i = start; | |
4977 | BUILD_GLYPH_STRINGS (hdc, w, row, area, i, end, head, tail, hl, x, last_x, | |
4978 | overlaps_p); | |
791f420f JR |
4979 | if (tail) |
4980 | x_reached = tail->x + tail->background_width; | |
4981 | else | |
4982 | x_reached = x; | |
e12ca9c2 | 4983 | |
791f420f JR |
4984 | /* If there are any glyphs with lbearing < 0 or rbearing > width in |
4985 | the row, redraw some glyphs in front or following the glyph | |
4986 | strings built above. */ | |
9127e20e | 4987 | if (head && !overlaps_p && row->contains_overlapping_glyphs_p) |
791f420f JR |
4988 | { |
4989 | int dummy_x = 0; | |
4990 | struct glyph_string *h, *t; | |
4991 | ||
4992 | /* Compute overhangs for all glyph strings. */ | |
4993 | for (s = head; s; s = s->next) | |
4994 | x_compute_glyph_string_overhangs (s); | |
4995 | ||
4996 | /* Prepend glyph strings for glyphs in front of the first glyph | |
4997 | string that are overwritten because of the first glyph | |
4998 | string's left overhang. The background of all strings | |
4999 | prepended must be drawn because the first glyph string | |
5000 | draws over it. */ | |
5001 | i = x_left_overwritten (head); | |
5002 | if (i >= 0) | |
5003 | { | |
5004 | j = i; | |
5005 | BUILD_GLYPH_STRINGS (hdc, w, row, area, j, start, h, t, | |
5006 | DRAW_NORMAL_TEXT, dummy_x, last_x, | |
5007 | overlaps_p); | |
5008 | start = i; | |
791f420f JR |
5009 | x_compute_overhangs_and_x (t, head->x, 1); |
5010 | x_prepend_glyph_string_lists (&head, &tail, h, t); | |
5011 | } | |
ee78dc32 | 5012 | |
791f420f JR |
5013 | /* Prepend glyph strings for glyphs in front of the first glyph |
5014 | string that overwrite that glyph string because of their | |
5015 | right overhang. For these strings, only the foreground must | |
5016 | be drawn, because it draws over the glyph string at `head'. | |
5017 | The background must not be drawn because this would overwrite | |
5018 | right overhangs of preceding glyphs for which no glyph | |
5019 | strings exist. */ | |
5020 | i = x_left_overwriting (head); | |
5021 | if (i >= 0) | |
5022 | { | |
5023 | BUILD_GLYPH_STRINGS (hdc, w, row, area, i, start, h, t, | |
5024 | DRAW_NORMAL_TEXT, dummy_x, last_x, | |
5025 | overlaps_p); | |
791f420f JR |
5026 | for (s = h; s; s = s->next) |
5027 | s->background_filled_p = 1; | |
791f420f JR |
5028 | x_compute_overhangs_and_x (t, head->x, 1); |
5029 | x_prepend_glyph_string_lists (&head, &tail, h, t); | |
5030 | } | |
cabb23bc | 5031 | |
791f420f JR |
5032 | /* Append glyphs strings for glyphs following the last glyph |
5033 | string tail that are overwritten by tail. The background of | |
5034 | these strings has to be drawn because tail's foreground draws | |
5035 | over it. */ | |
5036 | i = x_right_overwritten (tail); | |
5037 | if (i >= 0) | |
5038 | { | |
5039 | BUILD_GLYPH_STRINGS (hdc, w, row, area, end, i, h, t, | |
5040 | DRAW_NORMAL_TEXT, x, last_x, | |
5041 | overlaps_p); | |
791f420f JR |
5042 | x_compute_overhangs_and_x (h, tail->x + tail->width, 0); |
5043 | x_append_glyph_string_lists (&head, &tail, h, t); | |
791f420f | 5044 | } |
cabb23bc | 5045 | |
791f420f JR |
5046 | /* Append glyph strings for glyphs following the last glyph |
5047 | string tail that overwrite tail. The foreground of such | |
5048 | glyphs has to be drawn because it writes into the background | |
5049 | of tail. The background must not be drawn because it could | |
5050 | paint over the foreground of following glyphs. */ | |
5051 | i = x_right_overwriting (tail); | |
5052 | if (i >= 0) | |
5053 | { | |
5054 | BUILD_GLYPH_STRINGS (hdc, w, row, area, end, i, h, t, | |
5055 | DRAW_NORMAL_TEXT, x, last_x, | |
5056 | overlaps_p); | |
791f420f JR |
5057 | for (s = h; s; s = s->next) |
5058 | s->background_filled_p = 1; | |
5059 | x_compute_overhangs_and_x (h, tail->x + tail->width, 0); | |
5060 | x_append_glyph_string_lists (&head, &tail, h, t); | |
791f420f JR |
5061 | } |
5062 | } | |
cabb23bc | 5063 | |
791f420f JR |
5064 | /* Draw all strings. */ |
5065 | for (s = head; s; s = s->next) | |
5066 | x_draw_glyph_string (s); | |
cabb23bc | 5067 | |
30c6d055 JR |
5068 | if (area == TEXT_AREA |
5069 | && !row->full_width_p | |
5070 | /* When drawing overlapping rows, only the glyph strings' | |
5071 | foreground is drawn, which doesn't erase a cursor | |
5072 | completely. */ | |
5073 | && !overlaps_p) | |
6ff3e5e3 JR |
5074 | { |
5075 | int x0 = head ? head->x : x; | |
5076 | int x1 = tail ? tail->x + tail->background_width : x; | |
5077 | ||
5078 | x0 = FRAME_TO_WINDOW_PIXEL_X (w, x0); | |
5079 | x1 = FRAME_TO_WINDOW_PIXEL_X (w, x1); | |
5080 | ||
5081 | if (!row->full_width_p && XFASTINT (w->left_margin_width) != 0) | |
5082 | { | |
5083 | int left_area_width = window_box_width (w, LEFT_MARGIN_AREA); | |
5084 | x0 -= left_area_width; | |
5085 | x1 -= left_area_width; | |
5086 | } | |
5087 | ||
6637c996 JR |
5088 | notice_overwritten_cursor (w, area, x0, x1, |
5089 | row->y, MATRIX_ROW_BOTTOM_Y (row)); | |
6ff3e5e3 JR |
5090 | } |
5091 | ||
791f420f JR |
5092 | /* Value is the x-position up to which drawn, relative to AREA of W. |
5093 | This doesn't include parts drawn because of overhangs. */ | |
5094 | x_reached = FRAME_TO_WINDOW_PIXEL_X (w, x_reached); | |
5095 | if (!row->full_width_p) | |
5096 | { | |
5097 | if (area > LEFT_MARGIN_AREA) | |
5098 | x_reached -= window_box_width (w, LEFT_MARGIN_AREA); | |
5099 | if (area > TEXT_AREA) | |
5100 | x_reached -= window_box_width (w, TEXT_AREA); | |
5101 | } | |
cabb23bc | 5102 | |
791f420f | 5103 | release_frame_dc (XFRAME (WINDOW_FRAME (w)), hdc); |
65c4903c | 5104 | |
791f420f JR |
5105 | return x_reached; |
5106 | } | |
65c4903c | 5107 | |
cabb23bc | 5108 | |
791f420f JR |
5109 | /* Fix the display of area AREA of overlapping row ROW in window W. */ |
5110 | ||
5111 | static void | |
5112 | x_fix_overlapping_area (w, row, area) | |
5113 | struct window *w; | |
5114 | struct glyph_row *row; | |
5115 | enum glyph_row_area area; | |
5116 | { | |
5117 | int i, x; | |
5118 | ||
5119 | BLOCK_INPUT; | |
5120 | ||
5121 | if (area == LEFT_MARGIN_AREA) | |
5122 | x = 0; | |
5123 | else if (area == TEXT_AREA) | |
5124 | x = row->x + window_box_width (w, LEFT_MARGIN_AREA); | |
5125 | else | |
5126 | x = (window_box_width (w, LEFT_MARGIN_AREA) | |
5127 | + window_box_width (w, TEXT_AREA)); | |
b1ae662f | 5128 | |
791f420f JR |
5129 | for (i = 0; i < row->used[area];) |
5130 | { | |
5131 | if (row->glyphs[area][i].overlaps_vertically_p) | |
ee78dc32 | 5132 | { |
791f420f | 5133 | int start = i, start_x = x; |
ee78dc32 | 5134 | |
791f420f JR |
5135 | do |
5136 | { | |
5137 | x += row->glyphs[area][i].pixel_width; | |
5138 | ++i; | |
5139 | } | |
5140 | while (i < row->used[area] | |
5141 | && row->glyphs[area][i].overlaps_vertically_p); | |
cabb23bc | 5142 | |
791f420f | 5143 | x_draw_glyphs (w, start_x, row, area, start, i, |
6ff3e5e3 | 5144 | DRAW_NORMAL_TEXT, 1); |
791f420f JR |
5145 | } |
5146 | else | |
5147 | { | |
5148 | x += row->glyphs[area][i].pixel_width; | |
5149 | ++i; | |
5150 | } | |
5151 | } | |
5152 | ||
5153 | UNBLOCK_INPUT; | |
ee78dc32 GV |
5154 | } |
5155 | ||
ee78dc32 | 5156 | |
791f420f JR |
5157 | /* Output LEN glyphs starting at START at the nominal cursor position. |
5158 | Advance the nominal cursor over the text. The global variable | |
5159 | updated_window contains the window being updated, updated_row is | |
5160 | the glyph row being updated, and updated_area is the area of that | |
5161 | row being updated. */ | |
ee78dc32 | 5162 | |
96214669 | 5163 | static void |
791f420f JR |
5164 | x_write_glyphs (start, len) |
5165 | struct glyph *start; | |
ee78dc32 GV |
5166 | int len; |
5167 | { | |
6ff3e5e3 | 5168 | int x, hpos; |
ee78dc32 | 5169 | |
791f420f | 5170 | xassert (updated_window && updated_row); |
ee78dc32 | 5171 | BLOCK_INPUT; |
791f420f JR |
5172 | |
5173 | /* Write glyphs. */ | |
ee78dc32 | 5174 | |
791f420f JR |
5175 | hpos = start - updated_row->glyphs[updated_area]; |
5176 | x = x_draw_glyphs (updated_window, output_cursor.x, | |
5177 | updated_row, updated_area, | |
5178 | hpos, hpos + len, | |
6ff3e5e3 | 5179 | DRAW_NORMAL_TEXT, 0); |
791f420f JR |
5180 | |
5181 | UNBLOCK_INPUT; | |
5182 | ||
5183 | /* Advance the output cursor. */ | |
5184 | output_cursor.hpos += len; | |
5185 | output_cursor.x = x; | |
5186 | } | |
ee78dc32 | 5187 | |
ee78dc32 | 5188 | |
791f420f | 5189 | /* Insert LEN glyphs from START at the nominal cursor position. */ |
ee78dc32 | 5190 | |
791f420f JR |
5191 | static void |
5192 | x_insert_glyphs (start, len) | |
5193 | struct glyph *start; | |
5194 | register int len; | |
5195 | { | |
5196 | struct frame *f; | |
5197 | struct window *w; | |
5198 | int line_height, shift_by_width, shifted_region_width; | |
5199 | struct glyph_row *row; | |
5200 | struct glyph *glyph; | |
6ff3e5e3 | 5201 | int frame_x, frame_y, hpos; |
791f420f JR |
5202 | HDC hdc; |
5203 | ||
5204 | xassert (updated_window && updated_row); | |
5205 | BLOCK_INPUT; | |
5206 | w = updated_window; | |
5207 | f = XFRAME (WINDOW_FRAME (w)); | |
5208 | hdc = get_frame_dc (f); | |
5209 | ||
5210 | /* Get the height of the line we are in. */ | |
5211 | row = updated_row; | |
5212 | line_height = row->height; | |
5213 | ||
5214 | /* Get the width of the glyphs to insert. */ | |
5215 | shift_by_width = 0; | |
5216 | for (glyph = start; glyph < start + len; ++glyph) | |
5217 | shift_by_width += glyph->pixel_width; | |
5218 | ||
5219 | /* Get the width of the region to shift right. */ | |
5220 | shifted_region_width = (window_box_width (w, updated_area) | |
5221 | - output_cursor.x | |
5222 | - shift_by_width); | |
5223 | ||
5224 | /* Shift right. */ | |
5b844253 | 5225 | frame_x = window_box_left (w, updated_area) + output_cursor.x; |
791f420f JR |
5226 | frame_y = WINDOW_TO_FRAME_PIXEL_Y (w, output_cursor.y); |
5227 | BitBlt (hdc, frame_x + shift_by_width, frame_y, | |
5228 | shifted_region_width, line_height, | |
5229 | hdc, frame_x, frame_y, SRCCOPY); | |
5230 | ||
5231 | /* Write the glyphs. */ | |
5232 | hpos = start - row->glyphs[updated_area]; | |
5233 | x_draw_glyphs (w, output_cursor.x, row, updated_area, hpos, hpos + len, | |
6ff3e5e3 JR |
5234 | DRAW_NORMAL_TEXT, 0); |
5235 | ||
791f420f JR |
5236 | /* Advance the output cursor. */ |
5237 | output_cursor.hpos += len; | |
5238 | output_cursor.x += shift_by_width; | |
5239 | release_frame_dc (f, hdc); | |
ee78dc32 GV |
5240 | |
5241 | UNBLOCK_INPUT; | |
5242 | } | |
791f420f JR |
5243 | |
5244 | ||
5245 | /* Delete N glyphs at the nominal cursor position. Not implemented | |
5246 | for X frames. */ | |
ee78dc32 | 5247 | |
96214669 | 5248 | static void |
791f420f JR |
5249 | x_delete_glyphs (n) |
5250 | register int n; | |
ee78dc32 | 5251 | { |
7e6ac5b9 AI |
5252 | struct frame *f; |
5253 | ||
5254 | if (updating_frame) | |
5255 | f = updating_frame; | |
5256 | else | |
5257 | f = SELECTED_FRAME (); | |
5258 | ||
5259 | if (! FRAME_W32_P (f)) | |
5260 | return; | |
5261 | ||
791f420f JR |
5262 | abort (); |
5263 | } | |
ee78dc32 | 5264 | |
ee78dc32 | 5265 | |
791f420f JR |
5266 | /* Erase the current text line from the nominal cursor position |
5267 | (inclusive) to pixel column TO_X (exclusive). The idea is that | |
5268 | everything from TO_X onward is already erased. | |
ee78dc32 | 5269 | |
791f420f JR |
5270 | TO_X is a pixel position relative to updated_area of |
5271 | updated_window. TO_X == -1 means clear to the end of this area. */ | |
11606873 | 5272 | |
791f420f JR |
5273 | static void |
5274 | x_clear_end_of_line (to_x) | |
5275 | int to_x; | |
5276 | { | |
5277 | struct frame *f; | |
5278 | struct window *w = updated_window; | |
5279 | int max_x, min_y, max_y; | |
5280 | int from_x, from_y, to_y; | |
5281 | ||
5282 | xassert (updated_window && updated_row); | |
5283 | f = XFRAME (w->frame); | |
5284 | ||
5285 | if (updated_row->full_width_p) | |
5286 | { | |
5287 | max_x = XFASTINT (w->width) * CANON_X_UNIT (f); | |
5288 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f) | |
5289 | && !w->pseudo_window_p) | |
5290 | max_x += FRAME_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f); | |
5291 | } | |
5292 | else | |
5293 | max_x = window_box_width (w, updated_area); | |
5294 | max_y = window_text_bottom_y (w); | |
ee78dc32 | 5295 | |
791f420f JR |
5296 | /* TO_X == 0 means don't do anything. TO_X < 0 means clear to end |
5297 | of window. For TO_X > 0, truncate to end of drawing area. */ | |
5298 | if (to_x == 0) | |
5299 | return; | |
5300 | else if (to_x < 0) | |
5301 | to_x = max_x; | |
5302 | else | |
5303 | to_x = min (to_x, max_x); | |
ee78dc32 | 5304 | |
791f420f JR |
5305 | to_y = min (max_y, output_cursor.y + updated_row->height); |
5306 | ||
ee78dc32 | 5307 | /* Notice if the cursor will be cleared by this operation. */ |
791f420f | 5308 | if (!updated_row->full_width_p) |
6637c996 JR |
5309 | notice_overwritten_cursor (w, updated_area, |
5310 | output_cursor.x, -1, | |
5311 | updated_row->y, | |
5312 | MATRIX_ROW_BOTTOM_Y (updated_row)); | |
ee78dc32 | 5313 | |
791f420f | 5314 | from_x = output_cursor.x; |
6637c996 | 5315 | |
791f420f JR |
5316 | /* Translate to frame coordinates. */ |
5317 | if (updated_row->full_width_p) | |
5318 | { | |
5319 | from_x = WINDOW_TO_FRAME_PIXEL_X (w, from_x); | |
5320 | to_x = WINDOW_TO_FRAME_PIXEL_X (w, to_x); | |
5321 | } | |
5322 | else | |
5323 | { | |
5324 | from_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, updated_area, from_x); | |
5325 | to_x = WINDOW_AREA_TO_FRAME_PIXEL_X (w, updated_area, to_x); | |
5326 | } | |
5327 | ||
5328 | min_y = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); | |
5329 | from_y = WINDOW_TO_FRAME_PIXEL_Y (w, max (min_y, output_cursor.y)); | |
5330 | to_y = WINDOW_TO_FRAME_PIXEL_Y (w, to_y); | |
5331 | ||
5332 | /* Prevent inadvertently clearing to end of the X window. */ | |
5333 | if (to_x > from_x && to_y > from_y) | |
5334 | { | |
00fe468b | 5335 | HDC hdc; |
791f420f | 5336 | BLOCK_INPUT; |
00fe468b JR |
5337 | hdc = get_frame_dc (f); |
5338 | ||
5339 | w32_clear_area (f, hdc, from_x, from_y, to_x - from_x, to_y - from_y); | |
5340 | release_frame_dc (f, hdc); | |
791f420f JR |
5341 | UNBLOCK_INPUT; |
5342 | } | |
ee78dc32 GV |
5343 | } |
5344 | ||
791f420f JR |
5345 | |
5346 | /* Clear entire frame. If updating_frame is non-null, clear that | |
5347 | frame. Otherwise clear the selected frame. */ | |
5348 | ||
96214669 | 5349 | static void |
791f420f | 5350 | x_clear_frame () |
ee78dc32 | 5351 | { |
791f420f | 5352 | struct frame *f; |
ee78dc32 | 5353 | |
791f420f JR |
5354 | if (updating_frame) |
5355 | f = updating_frame; | |
5356 | else | |
5357 | f = SELECTED_FRAME (); | |
ee78dc32 | 5358 | |
7e6ac5b9 AI |
5359 | if (! FRAME_W32_P (f)) |
5360 | return; | |
5361 | ||
791f420f JR |
5362 | /* Clearing the frame will erase any cursor, so mark them all as no |
5363 | longer visible. */ | |
5364 | mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f))); | |
5365 | output_cursor.hpos = output_cursor.vpos = 0; | |
5366 | output_cursor.x = -1; | |
ee78dc32 | 5367 | |
791f420f JR |
5368 | /* We don't set the output cursor here because there will always |
5369 | follow an explicit cursor_to. */ | |
ee78dc32 GV |
5370 | BLOCK_INPUT; |
5371 | ||
fbd6baed | 5372 | w32_clear_window (f); |
ee78dc32 GV |
5373 | |
5374 | /* We have to clear the scroll bars, too. If we have changed | |
5375 | colors or something like that, then they should be notified. */ | |
5376 | x_scroll_bar_clear (f); | |
5377 | ||
5378 | UNBLOCK_INPUT; | |
5379 | } | |
791f420f | 5380 | |
ee78dc32 GV |
5381 | \f |
5382 | /* Make audible bell. */ | |
5383 | ||
96214669 GV |
5384 | static void |
5385 | w32_ring_bell (void) | |
ee78dc32 | 5386 | { |
7e6ac5b9 AI |
5387 | struct frame *f; |
5388 | ||
5389 | f = SELECTED_FRAME (); | |
5390 | ||
ee78dc32 GV |
5391 | BLOCK_INPUT; |
5392 | ||
0f32f023 | 5393 | if (FRAME_W32_P (f) && visible_bell) |
8331e676 GV |
5394 | { |
5395 | int i; | |
791f420f | 5396 | HWND hwnd = FRAME_W32_WINDOW (SELECTED_FRAME ()); |
8331e676 GV |
5397 | |
5398 | for (i = 0; i < 5; i++) | |
5399 | { | |
5400 | FlashWindow (hwnd, TRUE); | |
5401 | Sleep (10); | |
5402 | } | |
5403 | FlashWindow (hwnd, FALSE); | |
5404 | } | |
ee78dc32 | 5405 | else |
fbd6baed | 5406 | w32_sys_ring_bell (); |
ee78dc32 GV |
5407 | |
5408 | UNBLOCK_INPUT; | |
ee78dc32 | 5409 | } |
791f420f | 5410 | |
ee78dc32 | 5411 | \f |
791f420f JR |
5412 | /* Specify how many text lines, from the top of the window, |
5413 | should be affected by insert-lines and delete-lines operations. | |
5414 | This, and those operations, are used only within an update | |
5415 | that is bounded by calls to x_update_begin and x_update_end. */ | |
ee78dc32 | 5416 | |
96214669 | 5417 | static void |
791f420f JR |
5418 | w32_set_terminal_window (n) |
5419 | register int n; | |
ee78dc32 | 5420 | { |
791f420f | 5421 | /* This function intentionally left blank. */ |
ee78dc32 | 5422 | } |
791f420f JR |
5423 | \f |
5424 | ||
5425 | \f | |
5426 | /*********************************************************************** | |
5427 | Line Dance | |
5428 | ***********************************************************************/ | |
5429 | ||
5430 | /* Perform an insert-lines or delete-lines operation, inserting N | |
5431 | lines or deleting -N lines at vertical position VPOS. */ | |
ee78dc32 | 5432 | |
96214669 | 5433 | static void |
791f420f JR |
5434 | x_ins_del_lines (vpos, n) |
5435 | int vpos, n; | |
ee78dc32 | 5436 | { |
7e6ac5b9 AI |
5437 | struct frame *f; |
5438 | ||
5439 | if (updating_frame) | |
5440 | f = updating_frame; | |
5441 | else | |
5442 | f = SELECTED_FRAME (); | |
5443 | ||
5444 | if (! FRAME_W32_P (f)) | |
5445 | return; | |
5446 | ||
ee78dc32 GV |
5447 | abort (); |
5448 | } | |
791f420f JR |
5449 | |
5450 | ||
5451 | /* Scroll part of the display as described by RUN. */ | |
5452 | ||
5453 | static void | |
5454 | x_scroll_run (w, run) | |
5455 | struct window *w; | |
5456 | struct run *run; | |
5457 | { | |
5458 | struct frame *f = XFRAME (w->frame); | |
5459 | int x, y, width, height, from_y, to_y, bottom_y; | |
4d6e8199 JR |
5460 | HWND hwnd = FRAME_W32_WINDOW (f); |
5461 | HRGN expect_dirty; | |
791f420f JR |
5462 | |
5463 | /* Get frame-relative bounding box of the text display area of W, | |
33c34bea KS |
5464 | without mode lines. Include in this box the left and right |
5465 | fringes of W. */ | |
791f420f | 5466 | window_box (w, -1, &x, &y, &width, &height); |
33c34bea KS |
5467 | width += FRAME_X_FRINGE_WIDTH (f); |
5468 | x -= FRAME_X_LEFT_FRINGE_WIDTH (f); | |
791f420f JR |
5469 | |
5470 | from_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->current_y); | |
5471 | to_y = WINDOW_TO_FRAME_PIXEL_Y (w, run->desired_y); | |
5472 | bottom_y = y + height; | |
5473 | ||
5474 | if (to_y < from_y) | |
5475 | { | |
5476 | /* Scrolling up. Make sure we don't copy part of the mode | |
5477 | line at the bottom. */ | |
5478 | if (from_y + run->height > bottom_y) | |
5479 | height = bottom_y - from_y; | |
5480 | else | |
5481 | height = run->height; | |
4d6e8199 | 5482 | expect_dirty = CreateRectRgn (x, y + height, x + width, bottom_y); |
791f420f JR |
5483 | } |
5484 | else | |
5485 | { | |
5486 | /* Scolling down. Make sure we don't copy over the mode line. | |
5487 | at the bottom. */ | |
5488 | if (to_y + run->height > bottom_y) | |
5489 | height = bottom_y - to_y; | |
5490 | else | |
5491 | height = run->height; | |
4d6e8199 | 5492 | expect_dirty = CreateRectRgn (x, y, x + width, to_y); |
791f420f JR |
5493 | } |
5494 | ||
5495 | BLOCK_INPUT; | |
5496 | ||
5497 | /* Cursor off. Will be switched on again in x_update_window_end. */ | |
5498 | updated_window = w; | |
5499 | x_clear_cursor (w); | |
5500 | ||
4d6e8199 JR |
5501 | { |
5502 | RECT from; | |
5503 | RECT to; | |
5504 | HRGN dirty = CreateRectRgn (0, 0, 0, 0); | |
5505 | HRGN combined = CreateRectRgn (0, 0, 0, 0); | |
5506 | ||
5507 | from.left = to.left = x; | |
5508 | from.right = to.right = x + width; | |
5509 | from.top = from_y; | |
5510 | from.bottom = from_y + height; | |
5511 | to.top = y; | |
5512 | to.bottom = bottom_y; | |
5513 | ||
5514 | ScrollWindowEx (hwnd, 0, to_y - from_y, &from, &to, dirty, | |
5515 | NULL, SW_INVALIDATE); | |
5516 | ||
5517 | /* Combine this with what we expect to be dirty. This covers the | |
5518 | case where not all of the region we expect is actually dirty. */ | |
5519 | CombineRgn (combined, dirty, expect_dirty, RGN_OR); | |
5520 | ||
5521 | /* If the dirty region is not what we expected, redraw the entire frame. */ | |
5522 | if (!EqualRgn (combined, expect_dirty)) | |
5523 | SET_FRAME_GARBAGED (f); | |
5524 | } | |
5525 | ||
791f420f | 5526 | UNBLOCK_INPUT; |
791f420f JR |
5527 | } |
5528 | ||
9ef2e2cf | 5529 | |
ee78dc32 | 5530 | \f |
791f420f JR |
5531 | /*********************************************************************** |
5532 | Exposure Events | |
5533 | ***********************************************************************/ | |
5534 | ||
5535 | /* Redisplay an exposed area of frame F. X and Y are the upper-left | |
5536 | corner of the exposed rectangle. W and H are width and height of | |
5537 | the exposed area. All are pixel values. W or H zero means redraw | |
5538 | the entire frame. */ | |
ee78dc32 | 5539 | |
96214669 | 5540 | static void |
791f420f JR |
5541 | expose_frame (f, x, y, w, h) |
5542 | struct frame *f; | |
5543 | int x, y, w, h; | |
ee78dc32 | 5544 | { |
791f420f | 5545 | RECT r; |
9f5a911b | 5546 | int mouse_face_overwritten_p = 0; |
791f420f JR |
5547 | |
5548 | TRACE ((stderr, "expose_frame ")); | |
5549 | ||
5550 | /* No need to redraw if frame will be redrawn soon. */ | |
5551 | if (FRAME_GARBAGED_P (f)) | |
5552 | { | |
5553 | TRACE ((stderr, " garbaged\n")); | |
5554 | return; | |
5555 | } | |
5556 | ||
5557 | /* If basic faces haven't been realized yet, there is no point in | |
5558 | trying to redraw anything. This can happen when we get an expose | |
5559 | event while Emacs is starting, e.g. by moving another window. */ | |
5560 | if (FRAME_FACE_CACHE (f) == NULL | |
5561 | || FRAME_FACE_CACHE (f)->used < BASIC_FACE_ID_SENTINEL) | |
5562 | { | |
5563 | TRACE ((stderr, " no faces\n")); | |
5564 | return; | |
5565 | } | |
5566 | ||
5567 | if (w == 0 || h == 0) | |
5568 | { | |
5569 | r.left = r.top = 0; | |
5570 | r.right = CANON_X_UNIT (f) * f->width; | |
5571 | r.bottom = CANON_Y_UNIT (f) * f->height; | |
5572 | } | |
5573 | else | |
5574 | { | |
5575 | r.left = x; | |
5576 | r.top = y; | |
5577 | r.right = x + w; | |
5578 | r.bottom = y + h; | |
5579 | } | |
5580 | ||
5581 | TRACE ((stderr, "(%d, %d, %d, %d)\n", r.left, r.top, r.right, r.bottom)); | |
9f5a911b | 5582 | mouse_face_overwritten_p = expose_window_tree (XWINDOW (f->root_window), &r); |
791f420f JR |
5583 | |
5584 | if (WINDOWP (f->tool_bar_window)) | |
9f5a911b JR |
5585 | mouse_face_overwritten_p |
5586 | |= expose_window (XWINDOW (f->tool_bar_window), &r); | |
5587 | ||
5588 | /* Some window managers support a focus-follows-mouse style with | |
5589 | delayed raising of frames. Imagine a partially obscured frame, | |
5590 | and moving the mouse into partially obscured mouse-face on that | |
5591 | frame. The visible part of the mouse-face will be highlighted, | |
5592 | then the WM raises the obscured frame. With at least one WM, KDE | |
5593 | 2.1, Emacs is not getting any event for the raising of the frame | |
5594 | (even tried with SubstructureRedirectMask), only Expose events. | |
5595 | These expose events will draw text normally, i.e. not | |
5596 | highlighted. Which means we must redo the highlight here. | |
5597 | Subsume it under ``we love X''. --gerd 2001-08-15 */ | |
5598 | /* Included in Windows version because Windows most likely does not | |
5599 | do the right thing if any third party tool offers | |
5600 | focus-follows-mouse with delayed raise. --jason 2001-10-12 */ | |
5601 | if (mouse_face_overwritten_p && !FRAME_GARBAGED_P (f)) | |
791f420f | 5602 | { |
9f5a911b JR |
5603 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); |
5604 | if (f == dpyinfo->mouse_face_mouse_frame) | |
5605 | { | |
5606 | int x = dpyinfo->mouse_face_mouse_x; | |
5607 | int y = dpyinfo->mouse_face_mouse_y; | |
5608 | clear_mouse_face (dpyinfo); | |
5609 | note_mouse_highlight (f, x, y); | |
5610 | } | |
791f420f JR |
5611 | } |
5612 | } | |
5613 | ||
5614 | ||
5615 | /* Redraw (parts) of all windows in the window tree rooted at W that | |
5616 | intersect R. R contains frame pixel coordinates. */ | |
5617 | ||
9f5a911b | 5618 | static int |
791f420f JR |
5619 | expose_window_tree (w, r) |
5620 | struct window *w; | |
5621 | RECT *r; | |
5622 | { | |
9f5a911b JR |
5623 | struct frame *f = XFRAME (w->frame); |
5624 | int mouse_face_overwritten_p = 0; | |
5625 | ||
5626 | while (w && !FRAME_GARBAGED_P (f)) | |
791f420f JR |
5627 | { |
5628 | if (!NILP (w->hchild)) | |
9f5a911b JR |
5629 | mouse_face_overwritten_p |
5630 | |= expose_window_tree (XWINDOW (w->hchild), r); | |
791f420f | 5631 | else if (!NILP (w->vchild)) |
9f5a911b JR |
5632 | mouse_face_overwritten_p |
5633 | |= expose_window_tree (XWINDOW (w->vchild), r); | |
791f420f | 5634 | else |
9f5a911b | 5635 | mouse_face_overwritten_p |= expose_window (w, r); |
791f420f | 5636 | |
9f5a911b | 5637 | w = NILP (w->next) ? NULL : XWINDOW (w->next); |
791f420f | 5638 | } |
9f5a911b JR |
5639 | |
5640 | return mouse_face_overwritten_p; | |
791f420f JR |
5641 | } |
5642 | ||
5643 | ||
5644 | /* Redraw the part of glyph row area AREA of glyph row ROW on window W | |
5645 | which intersects rectangle R. R is in window-relative coordinates. */ | |
5646 | ||
5647 | static void | |
5648 | expose_area (w, row, r, area) | |
5649 | struct window *w; | |
5650 | struct glyph_row *row; | |
5651 | RECT *r; | |
5652 | enum glyph_row_area area; | |
5653 | { | |
791f420f JR |
5654 | struct glyph *first = row->glyphs[area]; |
5655 | struct glyph *end = row->glyphs[area] + row->used[area]; | |
5656 | struct glyph *last; | |
2df85294 | 5657 | int first_x, start_x, x; |
791f420f | 5658 | |
791f420f JR |
5659 | if (area == TEXT_AREA && row->fill_line_p) |
5660 | /* If row extends face to end of line write the whole line. */ | |
c2cc16fa | 5661 | x_draw_glyphs (w, 0, row, area, |
791f420f | 5662 | 0, row->used[area], |
6ff3e5e3 | 5663 | DRAW_NORMAL_TEXT, 0); |
791f420f JR |
5664 | else |
5665 | { | |
2df85294 JR |
5666 | /* Set START_X to the window-relative start position for drawing glyphs of |
5667 | AREA. The first glyph of the text area can be partially visible. | |
5668 | The first glyphs of other areas cannot. */ | |
5669 | if (area == LEFT_MARGIN_AREA) | |
5670 | start_x = 0; | |
5671 | else if (area == TEXT_AREA) | |
5672 | start_x = row->x + window_box_width (w, LEFT_MARGIN_AREA); | |
5673 | else | |
5674 | start_x = (window_box_width (w, LEFT_MARGIN_AREA) | |
5675 | + window_box_width (w, TEXT_AREA)); | |
5676 | x = start_x; | |
5677 | ||
791f420f JR |
5678 | /* Find the first glyph that must be redrawn. */ |
5679 | while (first < end | |
5680 | && x + first->pixel_width < r->left) | |
5681 | { | |
5682 | x += first->pixel_width; | |
5683 | ++first; | |
5684 | } | |
5685 | ||
5686 | /* Find the last one. */ | |
5687 | last = first; | |
5688 | first_x = x; | |
5689 | while (last < end | |
5690 | && x < r->right) | |
5691 | { | |
5692 | x += last->pixel_width; | |
5693 | ++last; | |
5694 | } | |
2df85294 | 5695 | |
791f420f JR |
5696 | /* Repaint. */ |
5697 | if (last > first) | |
f201d732 | 5698 | x_draw_glyphs (w, first_x - start_x, row, area, |
791f420f JR |
5699 | first - row->glyphs[area], |
5700 | last - row->glyphs[area], | |
6ff3e5e3 | 5701 | DRAW_NORMAL_TEXT, 0); |
791f420f JR |
5702 | } |
5703 | } | |
5704 | ||
5705 | ||
5706 | /* Redraw the parts of the glyph row ROW on window W intersecting | |
9f5a911b JR |
5707 | rectangle R. R is in window-relative coordinates. Value is |
5708 | non-zero if mouse face was overwritten. */ | |
ee78dc32 | 5709 | |
9f5a911b | 5710 | static int |
791f420f JR |
5711 | expose_line (w, row, r) |
5712 | struct window *w; | |
5713 | struct glyph_row *row; | |
5714 | RECT *r; | |
5715 | { | |
5716 | xassert (row->enabled_p); | |
5717 | ||
5718 | if (row->mode_line_p || w->pseudo_window_p) | |
5719 | x_draw_glyphs (w, 0, row, TEXT_AREA, 0, row->used[TEXT_AREA], | |
6ff3e5e3 | 5720 | DRAW_NORMAL_TEXT, 0); |
ee78dc32 | 5721 | else |
791f420f JR |
5722 | { |
5723 | if (row->used[LEFT_MARGIN_AREA]) | |
5724 | expose_area (w, row, r, LEFT_MARGIN_AREA); | |
5725 | if (row->used[TEXT_AREA]) | |
5726 | expose_area (w, row, r, TEXT_AREA); | |
5727 | if (row->used[RIGHT_MARGIN_AREA]) | |
5728 | expose_area (w, row, r, RIGHT_MARGIN_AREA); | |
33c34bea | 5729 | x_draw_row_fringe_bitmaps (w, row); |
791f420f | 5730 | } |
9f5a911b JR |
5731 | |
5732 | return row->mouse_face_p; | |
ee78dc32 | 5733 | } |
ee78dc32 | 5734 | |
ee78dc32 | 5735 | |
791f420f | 5736 | /* Return non-zero if W's cursor intersects rectangle R. */ |
96214669 | 5737 | |
791f420f JR |
5738 | static int |
5739 | x_phys_cursor_in_rect_p (w, r) | |
5740 | struct window *w; | |
5741 | RECT *r; | |
ee78dc32 | 5742 | { |
791f420f JR |
5743 | RECT cr, result; |
5744 | struct glyph *cursor_glyph; | |
ee78dc32 | 5745 | |
791f420f JR |
5746 | cursor_glyph = get_phys_cursor_glyph (w); |
5747 | if (cursor_glyph) | |
ee78dc32 | 5748 | { |
791f420f JR |
5749 | cr.left = w->phys_cursor.x; |
5750 | cr.top = w->phys_cursor.y; | |
5751 | cr.right = cr.left + cursor_glyph->pixel_width; | |
5752 | cr.bottom = cr.top + w->phys_cursor_height; | |
158cba56 | 5753 | return IntersectRect (&result, &cr, r); |
ee78dc32 GV |
5754 | } |
5755 | else | |
791f420f | 5756 | return 0; |
ee78dc32 GV |
5757 | } |
5758 | ||
791f420f | 5759 | |
9f5a911b JR |
5760 | /* Redraw the part of window W intersection rectagle FR. Pixel |
5761 | coordinates in FR are frame relative. Call this function with | |
5762 | input blocked. Value is non-zero if the exposure overwrites | |
5763 | mouse-face. */ | |
791f420f | 5764 | |
9f5a911b JR |
5765 | static int |
5766 | expose_window (w, fr) | |
791f420f | 5767 | struct window *w; |
9f5a911b | 5768 | RECT *fr; |
ee78dc32 | 5769 | { |
9f5a911b JR |
5770 | struct frame *f = XFRAME (w->frame); |
5771 | RECT wr, r; | |
5772 | int mouse_face_overwritten_p = 0; | |
791f420f JR |
5773 | |
5774 | /* If window is not yet fully initialized, do nothing. This can | |
5775 | happen when toolkit scroll bars are used and a window is split. | |
5776 | Reconfiguring the scroll bar will generate an expose for a newly | |
5777 | created window. */ | |
9f5a911b JR |
5778 | if (w->current_matrix == NULL) |
5779 | return 0; | |
ee78dc32 | 5780 | |
9f5a911b JR |
5781 | /* When we're currently updating the window, display and current |
5782 | matrix usually don't agree. Arrange for a thorough display | |
5783 | later. */ | |
5784 | if (w == updated_window) | |
791f420f | 5785 | { |
9f5a911b JR |
5786 | SET_FRAME_GARBAGED (f); |
5787 | return 0; | |
791f420f | 5788 | } |
791f420f | 5789 | |
9f5a911b JR |
5790 | /* Frame-relative pixel rectangle of W. */ |
5791 | wr.left = XFASTINT (w->left) * CANON_X_UNIT (f); | |
5792 | wr.top = XFASTINT (w->top) * CANON_Y_UNIT (f); | |
5793 | wr.right = wr.left + XFASTINT (w->width) * CANON_X_UNIT (f); | |
5794 | wr.bottom = wr.top + XFASTINT (w->height) * CANON_Y_UNIT (f); | |
5795 | ||
5796 | if (IntersectRect(&r, fr, &wr)) | |
791f420f | 5797 | { |
9f5a911b JR |
5798 | int yb = window_text_bottom_y (w); |
5799 | struct glyph_row *row; | |
5800 | int cursor_cleared_p; | |
ee78dc32 | 5801 | |
9f5a911b JR |
5802 | TRACE ((stderr, "expose_window (%d, %d, %d, %d)\n", |
5803 | r.left, r.top, r.right, r.bottom)); | |
689004fa | 5804 | |
9f5a911b JR |
5805 | /* Convert to window coordinates. */ |
5806 | r.left = FRAME_TO_WINDOW_PIXEL_X (w, r.left); | |
5807 | r.right = FRAME_TO_WINDOW_PIXEL_X (w, r.right); | |
5808 | r.top = FRAME_TO_WINDOW_PIXEL_Y (w, r.top); | |
5809 | r.bottom = FRAME_TO_WINDOW_PIXEL_Y (w, r.bottom); | |
5810 | ||
5811 | /* Turn off the cursor. */ | |
5812 | if (!w->pseudo_window_p | |
5813 | && x_phys_cursor_in_rect_p (w, &r)) | |
5814 | { | |
5815 | x_clear_cursor (w); | |
5816 | cursor_cleared_p = 1; | |
5817 | } | |
5818 | else | |
5819 | cursor_cleared_p = 0; | |
5820 | ||
5821 | /* Find the first row intersecting the rectangle R. */ | |
5822 | for (row = w->current_matrix->rows; | |
5823 | row->enabled_p; | |
5824 | ++row) | |
5825 | { | |
5826 | int y0 = row->y; | |
5827 | int y1 = MATRIX_ROW_BOTTOM_Y (row); | |
5828 | ||
5829 | if ((y0 >= r.top && y0 < r.bottom) | |
5830 | || (y1 > r.top && y1 < r.bottom) | |
5831 | || (r.top >= y0 && r.top < y1) | |
5832 | || (r.bottom > y0 && r.bottom < y1)) | |
5833 | { | |
5834 | if (expose_line (w, row, &r)) | |
5835 | mouse_face_overwritten_p = 1; | |
5836 | } | |
5837 | ||
5838 | if (y1 >= yb) | |
5839 | break; | |
5840 | } | |
5841 | ||
5842 | /* Display the mode line if there is one. */ | |
5843 | if (WINDOW_WANTS_MODELINE_P (w) | |
5844 | && (row = MATRIX_MODE_LINE_ROW (w->current_matrix), | |
5845 | row->enabled_p) | |
5846 | && row->y < r.bottom) | |
5847 | { | |
5848 | if (expose_line (w, row, &r)) | |
5849 | mouse_face_overwritten_p = 1; | |
5850 | } | |
5851 | ||
5852 | if (!w->pseudo_window_p) | |
5853 | { | |
5854 | /* Draw border between windows. */ | |
5855 | x_draw_vertical_border (w); | |
5856 | ||
5857 | /* Turn the cursor on again. */ | |
5858 | if (cursor_cleared_p) | |
5859 | x_update_window_cursor (w, 1); | |
5860 | } | |
791f420f | 5861 | } |
9f5a911b JR |
5862 | |
5863 | return mouse_face_overwritten_p; | |
ee78dc32 | 5864 | } |
ee78dc32 | 5865 | |
ee78dc32 GV |
5866 | \f |
5867 | static void | |
5868 | frame_highlight (f) | |
5869 | struct frame *f; | |
5870 | { | |
791f420f | 5871 | x_update_cursor (f, 1); |
ee78dc32 GV |
5872 | } |
5873 | ||
5874 | static void | |
5875 | frame_unhighlight (f) | |
5876 | struct frame *f; | |
5877 | { | |
791f420f | 5878 | x_update_cursor (f, 1); |
ee78dc32 GV |
5879 | } |
5880 | ||
ee78dc32 GV |
5881 | /* The focus has changed. Update the frames as necessary to reflect |
5882 | the new situation. Note that we can't change the selected frame | |
5883 | here, because the Lisp code we are interrupting might become confused. | |
5884 | Each event gets marked with the frame in which it occurred, so the | |
5885 | Lisp code can tell when the switch took place by examining the events. */ | |
5886 | ||
9ef2e2cf | 5887 | static void |
ee78dc32 | 5888 | x_new_focus_frame (dpyinfo, frame) |
fbd6baed | 5889 | struct w32_display_info *dpyinfo; |
ee78dc32 GV |
5890 | struct frame *frame; |
5891 | { | |
fbd6baed | 5892 | struct frame *old_focus = dpyinfo->w32_focus_frame; |
ee78dc32 | 5893 | |
fbd6baed | 5894 | if (frame != dpyinfo->w32_focus_frame) |
ee78dc32 GV |
5895 | { |
5896 | /* Set this before calling other routines, so that they see | |
fbd6baed GV |
5897 | the correct value of w32_focus_frame. */ |
5898 | dpyinfo->w32_focus_frame = frame; | |
ee78dc32 GV |
5899 | |
5900 | if (old_focus && old_focus->auto_lower) | |
5901 | x_lower_frame (old_focus); | |
5902 | ||
fbd6baed GV |
5903 | if (dpyinfo->w32_focus_frame && dpyinfo->w32_focus_frame->auto_raise) |
5904 | pending_autoraise_frame = dpyinfo->w32_focus_frame; | |
ee78dc32 GV |
5905 | else |
5906 | pending_autoraise_frame = 0; | |
5907 | } | |
5908 | ||
5909 | x_frame_rehighlight (dpyinfo); | |
5910 | } | |
5911 | ||
5912 | /* Handle an event saying the mouse has moved out of an Emacs frame. */ | |
5913 | ||
5914 | void | |
5915 | x_mouse_leave (dpyinfo) | |
fbd6baed | 5916 | struct w32_display_info *dpyinfo; |
ee78dc32 | 5917 | { |
fbd6baed | 5918 | x_new_focus_frame (dpyinfo, dpyinfo->w32_focus_event_frame); |
ee78dc32 GV |
5919 | } |
5920 | ||
5921 | /* The focus has changed, or we have redirected a frame's focus to | |
5922 | another frame (this happens when a frame uses a surrogate | |
9ef2e2cf | 5923 | mini-buffer frame). Shift the highlight as appropriate. |
ee78dc32 GV |
5924 | |
5925 | The FRAME argument doesn't necessarily have anything to do with which | |
9ef2e2cf JR |
5926 | frame is being highlighted or un-highlighted; we only use it to find |
5927 | the appropriate X display info. */ | |
5928 | ||
ee78dc32 | 5929 | static void |
fbd6baed | 5930 | w32_frame_rehighlight (frame) |
ee78dc32 GV |
5931 | struct frame *frame; |
5932 | { | |
7e6ac5b9 AI |
5933 | if (! FRAME_W32_P (frame)) |
5934 | return; | |
fbd6baed | 5935 | x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame)); |
ee78dc32 GV |
5936 | } |
5937 | ||
5938 | static void | |
5939 | x_frame_rehighlight (dpyinfo) | |
fbd6baed | 5940 | struct w32_display_info *dpyinfo; |
ee78dc32 | 5941 | { |
fbd6baed | 5942 | struct frame *old_highlight = dpyinfo->w32_highlight_frame; |
ee78dc32 | 5943 | |
fbd6baed | 5944 | if (dpyinfo->w32_focus_frame) |
ee78dc32 | 5945 | { |
fbd6baed GV |
5946 | dpyinfo->w32_highlight_frame |
5947 | = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo->w32_focus_frame))) | |
5948 | ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo->w32_focus_frame)) | |
5949 | : dpyinfo->w32_focus_frame); | |
5950 | if (! FRAME_LIVE_P (dpyinfo->w32_highlight_frame)) | |
ee78dc32 | 5951 | { |
fbd6baed GV |
5952 | FRAME_FOCUS_FRAME (dpyinfo->w32_focus_frame) = Qnil; |
5953 | dpyinfo->w32_highlight_frame = dpyinfo->w32_focus_frame; | |
ee78dc32 GV |
5954 | } |
5955 | } | |
5956 | else | |
fbd6baed | 5957 | dpyinfo->w32_highlight_frame = 0; |
ee78dc32 | 5958 | |
fbd6baed | 5959 | if (dpyinfo->w32_highlight_frame != old_highlight) |
ee78dc32 GV |
5960 | { |
5961 | if (old_highlight) | |
5962 | frame_unhighlight (old_highlight); | |
fbd6baed GV |
5963 | if (dpyinfo->w32_highlight_frame) |
5964 | frame_highlight (dpyinfo->w32_highlight_frame); | |
ee78dc32 GV |
5965 | } |
5966 | } | |
5967 | \f | |
5968 | /* Keyboard processing - modifier keys, etc. */ | |
5969 | ||
5970 | /* Convert a keysym to its name. */ | |
5971 | ||
5972 | char * | |
5973 | x_get_keysym_name (keysym) | |
5974 | int keysym; | |
5975 | { | |
5976 | /* Make static so we can always return it */ | |
5977 | static char value[100]; | |
5978 | ||
5979 | BLOCK_INPUT; | |
9127e20e | 5980 | GetKeyNameText (keysym, value, 100); |
ee78dc32 GV |
5981 | UNBLOCK_INPUT; |
5982 | ||
5983 | return value; | |
5984 | } | |
9ef2e2cf JR |
5985 | |
5986 | ||
ee78dc32 GV |
5987 | \f |
5988 | /* Mouse clicks and mouse movement. Rah. */ | |
5989 | ||
9ef2e2cf JR |
5990 | /* Given a pixel position (PIX_X, PIX_Y) on frame F, return glyph |
5991 | co-ordinates in (*X, *Y). Set *BOUNDS to the rectangle that the | |
5992 | glyph at X, Y occupies, if BOUNDS != 0. If NOCLIP is non-zero, do | |
5993 | not force the value into range. */ | |
ee78dc32 GV |
5994 | |
5995 | void | |
5996 | pixel_to_glyph_coords (f, pix_x, pix_y, x, y, bounds, noclip) | |
5997 | FRAME_PTR f; | |
5998 | register int pix_x, pix_y; | |
5999 | register int *x, *y; | |
6000 | RECT *bounds; | |
6001 | int noclip; | |
6002 | { | |
52cf03a1 GV |
6003 | /* Support tty mode: if Vwindow_system is nil, behave correctly. */ |
6004 | if (NILP (Vwindow_system)) | |
6005 | { | |
6006 | *x = pix_x; | |
6007 | *y = pix_y; | |
6008 | return; | |
6009 | } | |
6010 | ||
ee78dc32 GV |
6011 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to round down |
6012 | even for negative values. */ | |
6013 | if (pix_x < 0) | |
9127e20e | 6014 | pix_x -= FONT_WIDTH (FRAME_FONT (f)) - 1; |
ee78dc32 | 6015 | if (pix_y < 0) |
fbd6baed | 6016 | pix_y -= (f)->output_data.w32->line_height - 1; |
ee78dc32 GV |
6017 | |
6018 | pix_x = PIXEL_TO_CHAR_COL (f, pix_x); | |
6019 | pix_y = PIXEL_TO_CHAR_ROW (f, pix_y); | |
6020 | ||
6021 | if (bounds) | |
6022 | { | |
6023 | bounds->left = CHAR_TO_PIXEL_COL (f, pix_x); | |
6024 | bounds->top = CHAR_TO_PIXEL_ROW (f, pix_y); | |
9127e20e | 6025 | bounds->right = bounds->left + FONT_WIDTH (FRAME_FONT (f)) - 1; |
fbd6baed | 6026 | bounds->bottom = bounds->top + f->output_data.w32->line_height - 1; |
ee78dc32 GV |
6027 | } |
6028 | ||
6029 | if (!noclip) | |
6030 | { | |
6031 | if (pix_x < 0) | |
6032 | pix_x = 0; | |
ec48c3a7 JR |
6033 | else if (pix_x > FRAME_WINDOW_WIDTH (f)) |
6034 | pix_x = FRAME_WINDOW_WIDTH (f); | |
ee78dc32 GV |
6035 | |
6036 | if (pix_y < 0) | |
6037 | pix_y = 0; | |
6038 | else if (pix_y > f->height) | |
6039 | pix_y = f->height; | |
6040 | } | |
6041 | ||
6042 | *x = pix_x; | |
6043 | *y = pix_y; | |
6044 | } | |
6045 | ||
791f420f JR |
6046 | |
6047 | /* Given HPOS/VPOS in the current matrix of W, return corresponding | |
6048 | frame-relative pixel positions in *FRAME_X and *FRAME_Y. If we | |
6049 | can't tell the positions because W's display is not up to date, | |
6050 | return 0. */ | |
6051 | ||
6052 | int | |
6053 | glyph_to_pixel_coords (w, hpos, vpos, frame_x, frame_y) | |
6054 | struct window *w; | |
6055 | int hpos, vpos; | |
6056 | int *frame_x, *frame_y; | |
ee78dc32 | 6057 | { |
791f420f JR |
6058 | int success_p; |
6059 | ||
6060 | xassert (hpos >= 0 && hpos < w->current_matrix->matrix_w); | |
6061 | xassert (vpos >= 0 && vpos < w->current_matrix->matrix_h); | |
6062 | ||
6063 | if (display_completed) | |
52cf03a1 | 6064 | { |
791f420f JR |
6065 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, vpos); |
6066 | struct glyph *glyph = row->glyphs[TEXT_AREA]; | |
6067 | struct glyph *end = glyph + min (hpos, row->used[TEXT_AREA]); | |
6068 | ||
6069 | *frame_y = row->y; | |
6070 | *frame_x = row->x; | |
6071 | while (glyph < end) | |
6072 | { | |
6073 | *frame_x += glyph->pixel_width; | |
6074 | ++glyph; | |
6075 | } | |
6076 | ||
6077 | success_p = 1; | |
6078 | } | |
6079 | else | |
6080 | { | |
6081 | *frame_y = *frame_x = 0; | |
6082 | success_p = 0; | |
52cf03a1 GV |
6083 | } |
6084 | ||
791f420f JR |
6085 | *frame_y = WINDOW_TO_FRAME_PIXEL_Y (w, *frame_y); |
6086 | *frame_x = WINDOW_TO_FRAME_PIXEL_X (w, *frame_x); | |
6087 | return success_p; | |
ee78dc32 GV |
6088 | } |
6089 | ||
53823ab9 JR |
6090 | /* Parse a button MESSAGE. The button index is returned in PBUTTON, and |
6091 | the state in PUP. XBUTTON provides extra information for extended mouse | |
6092 | button messages. Returns FALSE if unable to parse the message. */ | |
ee78dc32 | 6093 | BOOL |
53823ab9 | 6094 | parse_button (message, xbutton, pbutton, pup) |
ee78dc32 | 6095 | int message; |
53823ab9 | 6096 | int xbutton; |
ee78dc32 GV |
6097 | int * pbutton; |
6098 | int * pup; | |
6099 | { | |
6100 | int button = 0; | |
6101 | int up = 0; | |
6102 | ||
6103 | switch (message) | |
6104 | { | |
6105 | case WM_LBUTTONDOWN: | |
6106 | button = 0; | |
6107 | up = 0; | |
6108 | break; | |
6109 | case WM_LBUTTONUP: | |
6110 | button = 0; | |
6111 | up = 1; | |
6112 | break; | |
6113 | case WM_MBUTTONDOWN: | |
fbd6baed | 6114 | if (NILP (Vw32_swap_mouse_buttons)) |
52cf03a1 GV |
6115 | button = 1; |
6116 | else | |
6117 | button = 2; | |
ee78dc32 GV |
6118 | up = 0; |
6119 | break; | |
6120 | case WM_MBUTTONUP: | |
fbd6baed | 6121 | if (NILP (Vw32_swap_mouse_buttons)) |
52cf03a1 GV |
6122 | button = 1; |
6123 | else | |
6124 | button = 2; | |
ee78dc32 GV |
6125 | up = 1; |
6126 | break; | |
6127 | case WM_RBUTTONDOWN: | |
fbd6baed | 6128 | if (NILP (Vw32_swap_mouse_buttons)) |
52cf03a1 GV |
6129 | button = 2; |
6130 | else | |
6131 | button = 1; | |
ee78dc32 GV |
6132 | up = 0; |
6133 | break; | |
6134 | case WM_RBUTTONUP: | |
fbd6baed | 6135 | if (NILP (Vw32_swap_mouse_buttons)) |
52cf03a1 GV |
6136 | button = 2; |
6137 | else | |
6138 | button = 1; | |
ee78dc32 GV |
6139 | up = 1; |
6140 | break; | |
53823ab9 JR |
6141 | case WM_XBUTTONDOWN: |
6142 | button = xbutton + 2; | |
6143 | up = 0; | |
6144 | break; | |
6145 | case WM_XBUTTONUP: | |
6146 | button = xbutton + 2; | |
6147 | up = 1; | |
6148 | break; | |
ee78dc32 GV |
6149 | default: |
6150 | return (FALSE); | |
6151 | } | |
6152 | ||
6153 | if (pup) *pup = up; | |
6154 | if (pbutton) *pbutton = button; | |
6155 | ||
6156 | return (TRUE); | |
6157 | } | |
6158 | ||
6159 | ||
6160 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
6161 | ||
6162 | If the event is a button press, then note that we have grabbed | |
6163 | the mouse. */ | |
6164 | ||
ec48c3a7 | 6165 | static Lisp_Object |
ee78dc32 GV |
6166 | construct_mouse_click (result, msg, f) |
6167 | struct input_event *result; | |
fbd6baed | 6168 | W32Msg *msg; |
ee78dc32 GV |
6169 | struct frame *f; |
6170 | { | |
6171 | int button; | |
6172 | int up; | |
6173 | ||
53823ab9 JR |
6174 | parse_button (msg->msg.message, HIWORD (msg->msg.wParam), |
6175 | &button, &up); | |
ee78dc32 GV |
6176 | |
6177 | /* Make the event type no_event; we'll change that when we decide | |
6178 | otherwise. */ | |
6179 | result->kind = mouse_click; | |
6180 | result->code = button; | |
6181 | result->timestamp = msg->msg.time; | |
6182 | result->modifiers = (msg->dwModifiers | |
6183 | | (up | |
6184 | ? up_modifier | |
6185 | : down_modifier)); | |
6186 | ||
ec48c3a7 JR |
6187 | XSETINT (result->x, LOWORD (msg->msg.lParam)); |
6188 | XSETINT (result->y, HIWORD (msg->msg.lParam)); | |
6189 | XSETFRAME (result->frame_or_window, f); | |
6190 | result->arg = Qnil; | |
6191 | return Qnil; | |
ee78dc32 GV |
6192 | } |
6193 | ||
ec48c3a7 | 6194 | static Lisp_Object |
689004fa GV |
6195 | construct_mouse_wheel (result, msg, f) |
6196 | struct input_event *result; | |
6197 | W32Msg *msg; | |
6198 | struct frame *f; | |
6199 | { | |
6200 | POINT p; | |
6201 | result->kind = mouse_wheel; | |
6202 | result->code = (short) HIWORD (msg->msg.wParam); | |
6203 | result->timestamp = msg->msg.time; | |
6204 | result->modifiers = msg->dwModifiers; | |
6205 | p.x = LOWORD (msg->msg.lParam); | |
6206 | p.y = HIWORD (msg->msg.lParam); | |
9127e20e | 6207 | ScreenToClient (msg->msg.hwnd, &p); |
689004fa GV |
6208 | XSETINT (result->x, p.x); |
6209 | XSETINT (result->y, p.y); | |
6210 | XSETFRAME (result->frame_or_window, f); | |
7e889510 | 6211 | result->arg = Qnil; |
ec48c3a7 | 6212 | return Qnil; |
689004fa GV |
6213 | } |
6214 | ||
ec48c3a7 | 6215 | static Lisp_Object |
12857dfd RS |
6216 | construct_drag_n_drop (result, msg, f) |
6217 | struct input_event *result; | |
6218 | W32Msg *msg; | |
6219 | struct frame *f; | |
6220 | { | |
6221 | Lisp_Object files; | |
6222 | Lisp_Object frame; | |
6223 | HDROP hdrop; | |
6224 | POINT p; | |
6225 | WORD num_files; | |
6226 | char *name; | |
6227 | int i, len; | |
6228 | ||
6229 | result->kind = drag_n_drop; | |
6230 | result->code = 0; | |
6231 | result->timestamp = msg->msg.time; | |
6232 | result->modifiers = msg->dwModifiers; | |
6233 | ||
fb9cc9cc AI |
6234 | hdrop = (HDROP) msg->msg.wParam; |
6235 | DragQueryPoint (hdrop, &p); | |
6236 | ||
e12ca9c2 | 6237 | #if 0 |
12857dfd RS |
6238 | p.x = LOWORD (msg->msg.lParam); |
6239 | p.y = HIWORD (msg->msg.lParam); | |
6240 | ScreenToClient (msg->msg.hwnd, &p); | |
e12ca9c2 AI |
6241 | #endif |
6242 | ||
12857dfd RS |
6243 | XSETINT (result->x, p.x); |
6244 | XSETINT (result->y, p.y); | |
6245 | ||
12857dfd RS |
6246 | num_files = DragQueryFile (hdrop, 0xFFFFFFFF, NULL, 0); |
6247 | files = Qnil; | |
6248 | ||
6249 | for (i = 0; i < num_files; i++) | |
6250 | { | |
6251 | len = DragQueryFile (hdrop, i, NULL, 0); | |
6252 | if (len <= 0) | |
6253 | continue; | |
6254 | name = alloca (len + 1); | |
6255 | DragQueryFile (hdrop, i, name, len + 1); | |
6256 | files = Fcons (build_string (name), files); | |
6257 | } | |
6258 | ||
6259 | DragFinish (hdrop); | |
6260 | ||
6261 | XSETFRAME (frame, f); | |
6262 | result->frame_or_window = Fcons (frame, files); | |
7e889510 | 6263 | result->arg = Qnil; |
ec48c3a7 | 6264 | return Qnil; |
12857dfd RS |
6265 | } |
6266 | ||
ee78dc32 GV |
6267 | \f |
6268 | /* Function to report a mouse movement to the mainstream Emacs code. | |
6269 | The input handler calls this. | |
6270 | ||
6271 | We have received a mouse movement event, which is given in *event. | |
6272 | If the mouse is over a different glyph than it was last time, tell | |
6273 | the mainstream emacs code by setting mouse_moved. If not, ask for | |
6274 | another motion event, so we can check again the next time it moves. */ | |
6275 | ||
791f420f JR |
6276 | static MSG last_mouse_motion_event; |
6277 | static Lisp_Object last_mouse_motion_frame; | |
6278 | ||
9f5a911b JR |
6279 | static void remember_mouse_glyph P_ ((struct frame *, int, int)); |
6280 | ||
ee78dc32 GV |
6281 | static void |
6282 | note_mouse_movement (frame, msg) | |
6283 | FRAME_PTR frame; | |
6284 | MSG *msg; | |
6285 | { | |
9f5a911b JR |
6286 | int mouse_x = LOWORD (msg->lParam); |
6287 | int mouse_y = HIWORD (msg->lParam); | |
6288 | ||
ee78dc32 | 6289 | last_mouse_movement_time = msg->time; |
791f420f JR |
6290 | memcpy (&last_mouse_motion_event, msg, sizeof (last_mouse_motion_event)); |
6291 | XSETFRAME (last_mouse_motion_frame, frame); | |
ee78dc32 | 6292 | |
fbd6baed | 6293 | if (msg->hwnd != FRAME_W32_WINDOW (frame)) |
ee78dc32 GV |
6294 | { |
6295 | frame->mouse_moved = 1; | |
6296 | last_mouse_scroll_bar = Qnil; | |
ee78dc32 GV |
6297 | note_mouse_highlight (frame, -1, -1); |
6298 | } | |
6299 | ||
6300 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
9f5a911b JR |
6301 | else if (mouse_x < last_mouse_glyph.left |
6302 | || mouse_x > last_mouse_glyph.right | |
6303 | || mouse_y < last_mouse_glyph.top | |
6304 | || mouse_y > last_mouse_glyph.bottom) | |
ee78dc32 GV |
6305 | { |
6306 | frame->mouse_moved = 1; | |
6307 | last_mouse_scroll_bar = Qnil; | |
9f5a911b JR |
6308 | note_mouse_highlight (frame, mouse_x, mouse_y); |
6309 | /* Remember the mouse position here, as w32_mouse_position only | |
6310 | gets called when mouse tracking is enabled but we also need | |
6311 | to keep track of the mouse for help_echo and highlighting at | |
6312 | other times. */ | |
6313 | remember_mouse_glyph (frame, mouse_x, mouse_y); | |
ee78dc32 GV |
6314 | } |
6315 | } | |
6316 | ||
791f420f JR |
6317 | \f |
6318 | /************************************************************************ | |
6319 | Mouse Face | |
6320 | ************************************************************************/ | |
6321 | ||
6322 | /* Find the glyph under window-relative coordinates X/Y in window W. | |
6323 | Consider only glyphs from buffer text, i.e. no glyphs from overlay | |
6324 | strings. Return in *HPOS and *VPOS the row and column number of | |
6325 | the glyph found. Return in *AREA the glyph area containing X. | |
6326 | Value is a pointer to the glyph found or null if X/Y is not on | |
6327 | text, or we can't tell because W's current matrix is not up to | |
6328 | date. */ | |
6329 | ||
6330 | static struct glyph * | |
9f5a911b | 6331 | x_y_to_hpos_vpos (w, x, y, hpos, vpos, area, buffer_only_p) |
791f420f JR |
6332 | struct window *w; |
6333 | int x, y; | |
6334 | int *hpos, *vpos, *area; | |
9f5a911b | 6335 | int buffer_only_p; |
791f420f JR |
6336 | { |
6337 | struct glyph *glyph, *end; | |
ec48c3a7 | 6338 | struct glyph_row *row = NULL; |
791f420f JR |
6339 | int x0, i, left_area_width; |
6340 | ||
6341 | /* Find row containing Y. Give up if some row is not enabled. */ | |
6342 | for (i = 0; i < w->current_matrix->nrows; ++i) | |
6343 | { | |
6344 | row = MATRIX_ROW (w->current_matrix, i); | |
6345 | if (!row->enabled_p) | |
6346 | return NULL; | |
6347 | if (y >= row->y && y < MATRIX_ROW_BOTTOM_Y (row)) | |
6348 | break; | |
6349 | } | |
6350 | ||
6351 | *vpos = i; | |
6352 | *hpos = 0; | |
6353 | ||
6354 | /* Give up if Y is not in the window. */ | |
6355 | if (i == w->current_matrix->nrows) | |
6356 | return NULL; | |
6357 | ||
6358 | /* Get the glyph area containing X. */ | |
6359 | if (w->pseudo_window_p) | |
6360 | { | |
6361 | *area = TEXT_AREA; | |
6362 | x0 = 0; | |
6363 | } | |
6364 | else | |
6365 | { | |
6366 | left_area_width = window_box_width (w, LEFT_MARGIN_AREA); | |
6367 | if (x < left_area_width) | |
6368 | { | |
6369 | *area = LEFT_MARGIN_AREA; | |
6370 | x0 = 0; | |
6371 | } | |
6372 | else if (x < left_area_width + window_box_width (w, TEXT_AREA)) | |
6373 | { | |
6374 | *area = TEXT_AREA; | |
6375 | x0 = row->x + left_area_width; | |
6376 | } | |
6377 | else | |
6378 | { | |
6379 | *area = RIGHT_MARGIN_AREA; | |
6380 | x0 = left_area_width + window_box_width (w, TEXT_AREA); | |
6381 | } | |
6382 | } | |
6383 | ||
6384 | /* Find glyph containing X. */ | |
6385 | glyph = row->glyphs[*area]; | |
6386 | end = glyph + row->used[*area]; | |
6387 | while (glyph < end) | |
6388 | { | |
6389 | if (x < x0 + glyph->pixel_width) | |
6390 | { | |
6391 | if (w->pseudo_window_p) | |
6392 | break; | |
9f5a911b | 6393 | else if (!buffer_only_p || BUFFERP (glyph->object)) |
791f420f JR |
6394 | break; |
6395 | } | |
6396 | ||
6397 | x0 += glyph->pixel_width; | |
6398 | ++glyph; | |
6399 | } | |
6400 | ||
6401 | if (glyph == end) | |
6402 | return NULL; | |
6403 | ||
6404 | *hpos = glyph - row->glyphs[*area]; | |
6405 | return glyph; | |
6406 | } | |
6407 | ||
6408 | ||
6409 | /* Convert frame-relative x/y to coordinates relative to window W. | |
6410 | Takes pseudo-windows into account. */ | |
6411 | ||
6412 | static void | |
6413 | frame_to_window_pixel_xy (w, x, y) | |
6414 | struct window *w; | |
6415 | int *x, *y; | |
6416 | { | |
6417 | if (w->pseudo_window_p) | |
6418 | { | |
6419 | /* A pseudo-window is always full-width, and starts at the | |
6420 | left edge of the frame, plus a frame border. */ | |
6421 | struct frame *f = XFRAME (w->frame); | |
6422 | *x -= FRAME_INTERNAL_BORDER_WIDTH_SAFE (f); | |
6423 | *y = FRAME_TO_WINDOW_PIXEL_Y (w, *y); | |
6424 | } | |
6425 | else | |
6426 | { | |
6427 | *x = FRAME_TO_WINDOW_PIXEL_X (w, *x); | |
6428 | *y = FRAME_TO_WINDOW_PIXEL_Y (w, *y); | |
6429 | } | |
6430 | } | |
6431 | ||
6432 | ||
c2cc16fa | 6433 | /* Take proper action when mouse has moved to the mode or header line of |
791f420f JR |
6434 | window W, x-position X. MODE_LINE_P non-zero means mouse is on the |
6435 | mode line. X is relative to the start of the text display area of | |
33c34bea | 6436 | W, so the width of fringes and scroll bars must be subtracted |
791f420f JR |
6437 | to get a position relative to the start of the mode line. */ |
6438 | ||
6439 | static void | |
6440 | note_mode_line_highlight (w, x, mode_line_p) | |
6441 | struct window *w; | |
6442 | int x, mode_line_p; | |
6443 | { | |
6444 | struct frame *f = XFRAME (w->frame); | |
6445 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
6446 | Cursor cursor = dpyinfo->vertical_scroll_bar_cursor; | |
6447 | struct glyph_row *row; | |
6448 | ||
6449 | if (mode_line_p) | |
6450 | row = MATRIX_MODE_LINE_ROW (w->current_matrix); | |
6451 | else | |
6452 | row = MATRIX_HEADER_LINE_ROW (w->current_matrix); | |
6453 | ||
6454 | if (row->enabled_p) | |
6455 | { | |
6456 | struct glyph *glyph, *end; | |
6457 | Lisp_Object help, map; | |
6458 | int x0; | |
6459 | ||
6460 | /* Find the glyph under X. */ | |
6461 | glyph = row->glyphs[TEXT_AREA]; | |
6462 | end = glyph + row->used[TEXT_AREA]; | |
6463 | x0 = - (FRAME_LEFT_SCROLL_BAR_WIDTH (f) * CANON_X_UNIT (f) | |
33c34bea | 6464 | + FRAME_X_LEFT_FRINGE_WIDTH (f)); |
c2cc16fa | 6465 | |
791f420f JR |
6466 | while (glyph < end |
6467 | && x >= x0 + glyph->pixel_width) | |
6468 | { | |
6469 | x0 += glyph->pixel_width; | |
6470 | ++glyph; | |
6471 | } | |
6472 | ||
6473 | if (glyph < end | |
6474 | && STRINGP (glyph->object) | |
6475 | && XSTRING (glyph->object)->intervals | |
6476 | && glyph->charpos >= 0 | |
6477 | && glyph->charpos < XSTRING (glyph->object)->size) | |
6478 | { | |
6479 | /* If we're on a string with `help-echo' text property, | |
6480 | arrange for the help to be displayed. This is done by | |
6481 | setting the global variable help_echo to the help string. */ | |
6482 | help = Fget_text_property (make_number (glyph->charpos), | |
6483 | Qhelp_echo, glyph->object); | |
b7e80413 | 6484 | if (!NILP (help)) |
ec48c3a7 JR |
6485 | { |
6486 | help_echo = help; | |
158cba56 | 6487 | XSETWINDOW (help_echo_window, w); |
ec48c3a7 JR |
6488 | help_echo_object = glyph->object; |
6489 | help_echo_pos = glyph->charpos; | |
6490 | } | |
791f420f JR |
6491 | |
6492 | /* Change the mouse pointer according to what is under X/Y. */ | |
6493 | map = Fget_text_property (make_number (glyph->charpos), | |
6494 | Qlocal_map, glyph->object); | |
02067692 | 6495 | if (KEYMAPP (map)) |
791f420f | 6496 | cursor = f->output_data.w32->nontext_cursor; |
c2cc16fa JR |
6497 | else |
6498 | { | |
6499 | map = Fget_text_property (make_number (glyph->charpos), | |
6500 | Qkeymap, glyph->object); | |
6501 | if (KEYMAPP (map)) | |
6502 | cursor = f->output_data.w32->nontext_cursor; | |
6503 | } | |
791f420f JR |
6504 | } |
6505 | } | |
9ef2e2cf | 6506 | |
01b220b6 | 6507 | #if 0 /* TODO: mouse cursor */ |
791f420f JR |
6508 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), cursor); |
6509 | #endif | |
6510 | } | |
ee78dc32 | 6511 | |
9ef2e2cf JR |
6512 | |
6513 | /* Take proper action when the mouse has moved to position X, Y on | |
6514 | frame F as regards highlighting characters that have mouse-face | |
6515 | properties. Also de-highlighting chars where the mouse was before. | |
ee78dc32 GV |
6516 | X and Y can be negative or out of range. */ |
6517 | ||
6518 | static void | |
6519 | note_mouse_highlight (f, x, y) | |
9ef2e2cf | 6520 | struct frame *f; |
ee78dc32 GV |
6521 | int x, y; |
6522 | { | |
791f420f JR |
6523 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); |
6524 | int portion; | |
ee78dc32 GV |
6525 | Lisp_Object window; |
6526 | struct window *w; | |
9f5a911b | 6527 | struct buffer *b; |
ee78dc32 | 6528 | |
791f420f JR |
6529 | /* When a menu is active, don't highlight because this looks odd. */ |
6530 | if (popup_activated ()) | |
6531 | return; | |
6532 | ||
3d26a7c2 | 6533 | if (NILP (Vmouse_highlight) |
9ef2e2cf | 6534 | || !f->glyphs_initialized_p) |
ee78dc32 GV |
6535 | return; |
6536 | ||
791f420f JR |
6537 | dpyinfo->mouse_face_mouse_x = x; |
6538 | dpyinfo->mouse_face_mouse_y = y; | |
6539 | dpyinfo->mouse_face_mouse_frame = f; | |
ee78dc32 | 6540 | |
791f420f | 6541 | if (dpyinfo->mouse_face_defer) |
ee78dc32 GV |
6542 | return; |
6543 | ||
6544 | if (gc_in_progress) | |
6545 | { | |
791f420f | 6546 | dpyinfo->mouse_face_deferred_gc = 1; |
ee78dc32 GV |
6547 | return; |
6548 | } | |
6549 | ||
ee78dc32 | 6550 | /* Which window is that in? */ |
791f420f | 6551 | window = window_from_coordinates (f, x, y, &portion, 1); |
ee78dc32 GV |
6552 | |
6553 | /* If we were displaying active text in another window, clear that. */ | |
791f420f JR |
6554 | if (! EQ (window, dpyinfo->mouse_face_window)) |
6555 | clear_mouse_face (dpyinfo); | |
6556 | ||
6557 | /* Not on a window -> return. */ | |
6558 | if (!WINDOWP (window)) | |
6559 | return; | |
6560 | ||
abb15ebd JR |
6561 | /* Reset help_echo. It will get recomputed below. */ |
6562 | help_echo = Qnil; | |
6563 | ||
791f420f JR |
6564 | /* Convert to window-relative pixel coordinates. */ |
6565 | w = XWINDOW (window); | |
6566 | frame_to_window_pixel_xy (w, &x, &y); | |
6567 | ||
6568 | /* Handle tool-bar window differently since it doesn't display a | |
6569 | buffer. */ | |
6570 | if (EQ (window, f->tool_bar_window)) | |
6571 | { | |
6572 | note_tool_bar_highlight (f, x, y); | |
6573 | return; | |
6574 | } | |
6575 | ||
9f5a911b | 6576 | /* Mouse is on the mode or header line? */ |
791f420f JR |
6577 | if (portion == 1 || portion == 3) |
6578 | { | |
791f420f JR |
6579 | note_mode_line_highlight (w, x, portion == 1); |
6580 | return; | |
6581 | } | |
01b220b6 | 6582 | #if 0 /* TODO: mouse cursor */ |
9f5a911b JR |
6583 | if (portion == 2) |
6584 | cursor = f->output_data.x->horizontal_drag_cursor; | |
791f420f | 6585 | else |
9f5a911b | 6586 | cursor = f->output_data.x->text_cursor; |
791f420f | 6587 | #endif |
ee78dc32 GV |
6588 | /* Are we in a window whose display is up to date? |
6589 | And verify the buffer's text has not changed. */ | |
9f5a911b | 6590 | b = XBUFFER (w->buffer); |
9ef2e2cf | 6591 | if (/* Within text portion of the window. */ |
791f420f | 6592 | portion == 0 |
ee78dc32 | 6593 | && EQ (w->window_end_valid, w->buffer) |
9f5a911b JR |
6594 | && XFASTINT (w->last_modified) == BUF_MODIFF (b) |
6595 | && XFASTINT (w->last_overlay_modified) == BUF_OVERLAY_MODIFF (b)) | |
ee78dc32 | 6596 | { |
791f420f JR |
6597 | int hpos, vpos, pos, i, area; |
6598 | struct glyph *glyph; | |
9f5a911b JR |
6599 | Lisp_Object object; |
6600 | Lisp_Object mouse_face = Qnil, overlay = Qnil, position; | |
6601 | Lisp_Object *overlay_vec = NULL; | |
6602 | int len, noverlays; | |
6603 | struct buffer *obuf; | |
6604 | int obegv, ozv, same_region; | |
791f420f JR |
6605 | |
6606 | /* Find the glyph under X/Y. */ | |
9f5a911b | 6607 | glyph = x_y_to_hpos_vpos (w, x, y, &hpos, &vpos, &area, 0); |
791f420f JR |
6608 | |
6609 | /* Clear mouse face if X/Y not over text. */ | |
6610 | if (glyph == NULL | |
6611 | || area != TEXT_AREA | |
6612 | || !MATRIX_ROW (w->current_matrix, vpos)->displays_text_p) | |
6613 | { | |
6614 | clear_mouse_face (dpyinfo); | |
9f5a911b JR |
6615 | /* TODO: mouse cursor */ |
6616 | goto set_cursor; | |
791f420f JR |
6617 | } |
6618 | ||
6619 | pos = glyph->charpos; | |
9f5a911b JR |
6620 | object = glyph->object; |
6621 | if (!STRINGP (object) && !BUFFERP (object)) | |
6622 | goto set_cursor; | |
6623 | ||
6624 | /* If we get an out-of-range value, return now; avoid an error. */ | |
6625 | if (BUFFERP (object) && pos > BUF_Z (b)) | |
6626 | goto set_cursor; | |
6627 | ||
6628 | /* Make the window's buffer temporarily current for | |
6629 | overlays_at and compute_char_face. */ | |
6630 | obuf = current_buffer; | |
6631 | current_buffer = b; | |
6632 | obegv = BEGV; | |
6633 | ozv = ZV; | |
6634 | BEGV = BEG; | |
6635 | ZV = Z; | |
6636 | ||
6637 | /* Is this char mouse-active or does it have help-echo? */ | |
6638 | position = make_number (pos); | |
6639 | ||
6640 | if (BUFFERP (object)) | |
6641 | { | |
6642 | /* Put all the overlays we want in a vector in overlay_vec. | |
6643 | Store the length in len. If there are more than 10, make | |
6644 | enough space for all, and try again. */ | |
6645 | len = 10; | |
6646 | overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object)); | |
6647 | noverlays = overlays_at (pos, 0, &overlay_vec, &len, NULL, NULL, 0); | |
6648 | if (noverlays > len) | |
6649 | { | |
6650 | len = noverlays; | |
6651 | overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object)); | |
6652 | noverlays = overlays_at (pos, 0, &overlay_vec, &len, NULL, NULL,0); | |
6653 | } | |
6654 | ||
6655 | /* Sort overlays into increasing priority order. */ | |
6656 | noverlays = sort_overlays (overlay_vec, noverlays, w); | |
6657 | } | |
6658 | else | |
6659 | noverlays = 0; | |
6660 | ||
6661 | same_region = (EQ (window, dpyinfo->mouse_face_window) | |
6662 | && vpos >= dpyinfo->mouse_face_beg_row | |
6663 | && vpos <= dpyinfo->mouse_face_end_row | |
6664 | && (vpos > dpyinfo->mouse_face_beg_row | |
6665 | || hpos >= dpyinfo->mouse_face_beg_col) | |
6666 | && (vpos < dpyinfo->mouse_face_end_row | |
6667 | || hpos < dpyinfo->mouse_face_end_col | |
6668 | || dpyinfo->mouse_face_past_end)); | |
6669 | ||
6670 | /* TODO: if (same_region) | |
6671 | mouse cursor */ | |
6672 | ||
6673 | /* Check mouse-face highlighting. */ | |
6674 | if (! same_region | |
6675 | /* If there exists an overlay with mouse-face overlapping | |
6676 | the one we are currently highlighting, we have to | |
6677 | check if we enter the overlapping overlay, and then | |
6678 | highlight that. */ | |
6679 | || (OVERLAYP (dpyinfo->mouse_face_overlay) | |
6680 | && mouse_face_overlay_overlaps (dpyinfo->mouse_face_overlay))) | |
6681 | { | |
6682 | /* Find the highest priority overlay that has a mouse-face | |
6683 | property. */ | |
6684 | overlay = Qnil; | |
6685 | for (i = noverlays - 1; i >= 0 && NILP (overlay); --i) | |
6686 | { | |
6687 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
6688 | if (!NILP (mouse_face)) | |
6689 | overlay = overlay_vec[i]; | |
6690 | } | |
791f420f | 6691 | |
9f5a911b JR |
6692 | /* If we're actually highlighting the same overlay as |
6693 | before, there's no need to do that again. */ | |
6694 | if (!NILP (overlay) | |
6695 | && EQ (overlay, dpyinfo->mouse_face_overlay)) | |
6696 | goto check_help_echo; | |
6697 | ||
6698 | dpyinfo->mouse_face_overlay = overlay; | |
6699 | ||
6700 | /* Clear the display of the old active region, if any. */ | |
6701 | clear_mouse_face (dpyinfo); | |
6702 | /* TODO: mouse cursor changes. */ | |
6703 | ||
6704 | /* If no overlay applies, get a text property. */ | |
6705 | if (NILP (overlay)) | |
6706 | mouse_face = Fget_text_property (position, Qmouse_face, object); | |
6707 | ||
6708 | /* Handle the overlay case. */ | |
6709 | if (!NILP (overlay)) | |
6710 | { | |
6711 | /* Find the range of text around this char that | |
6712 | should be active. */ | |
6713 | Lisp_Object before, after; | |
6714 | int ignore; | |
6715 | ||
6716 | before = Foverlay_start (overlay); | |
6717 | after = Foverlay_end (overlay); | |
6718 | /* Record this as the current active region. */ | |
6719 | fast_find_position (w, XFASTINT (before), | |
6720 | &dpyinfo->mouse_face_beg_col, | |
6721 | &dpyinfo->mouse_face_beg_row, | |
6722 | &dpyinfo->mouse_face_beg_x, | |
6723 | &dpyinfo->mouse_face_beg_y, Qnil); | |
6724 | ||
6725 | dpyinfo->mouse_face_past_end | |
6726 | = !fast_find_position (w, XFASTINT (after), | |
6727 | &dpyinfo->mouse_face_end_col, | |
6728 | &dpyinfo->mouse_face_end_row, | |
6729 | &dpyinfo->mouse_face_end_x, | |
6730 | &dpyinfo->mouse_face_end_y, Qnil); | |
6731 | dpyinfo->mouse_face_window = window; | |
6732 | ||
6733 | dpyinfo->mouse_face_face_id | |
6734 | = face_at_buffer_position (w, pos, 0, 0, | |
6735 | &ignore, pos + 1, 1); | |
6736 | ||
6737 | /* Display it as active. */ | |
6738 | show_mouse_face (dpyinfo, DRAW_MOUSE_FACE); | |
6739 | /* TODO: mouse cursor changes. */ | |
6740 | } | |
6741 | /* Handle the text property case. */ | |
6742 | else if (! NILP (mouse_face) && BUFFERP (object)) | |
6743 | { | |
6744 | /* Find the range of text around this char that | |
6745 | should be active. */ | |
6746 | Lisp_Object before, after, beginning, end; | |
6747 | int ignore; | |
6748 | ||
6749 | beginning = Fmarker_position (w->start); | |
6750 | end = make_number (BUF_Z (XBUFFER (object)) | |
6751 | - XFASTINT (w->window_end_pos)); | |
6752 | before | |
6753 | = Fprevious_single_property_change (make_number (pos + 1), | |
6754 | Qmouse_face, | |
6755 | object, beginning); | |
6756 | after | |
6757 | = Fnext_single_property_change (position, Qmouse_face, | |
6758 | object, end); | |
6759 | ||
6760 | /* Record this as the current active region. */ | |
6761 | fast_find_position (w, XFASTINT (before), | |
6762 | &dpyinfo->mouse_face_beg_col, | |
6763 | &dpyinfo->mouse_face_beg_row, | |
6764 | &dpyinfo->mouse_face_beg_x, | |
6765 | &dpyinfo->mouse_face_beg_y, Qnil); | |
6766 | dpyinfo->mouse_face_past_end | |
6767 | = !fast_find_position (w, XFASTINT (after), | |
6768 | &dpyinfo->mouse_face_end_col, | |
6769 | &dpyinfo->mouse_face_end_row, | |
6770 | &dpyinfo->mouse_face_end_x, | |
6771 | &dpyinfo->mouse_face_end_y, Qnil); | |
6772 | dpyinfo->mouse_face_window = window; | |
6773 | ||
6774 | if (BUFFERP (object)) | |
6775 | dpyinfo->mouse_face_face_id | |
6776 | = face_at_buffer_position (w, pos, 0, 0, | |
6777 | &ignore, pos + 1, 1); | |
6778 | ||
6779 | /* Display it as active. */ | |
6780 | show_mouse_face (dpyinfo, DRAW_MOUSE_FACE); | |
6781 | /* TODO: mouse cursor changes. */ | |
6782 | } | |
6783 | else if (!NILP (mouse_face) && STRINGP (object)) | |
6784 | { | |
6785 | Lisp_Object b, e; | |
6786 | int ignore; | |
6787 | ||
6788 | b = Fprevious_single_property_change (make_number (pos + 1), | |
6789 | Qmouse_face, | |
6790 | object, Qnil); | |
6791 | e = Fnext_single_property_change (position, Qmouse_face, | |
6792 | object, Qnil); | |
6793 | if (NILP (b)) | |
6794 | b = make_number (0); | |
6795 | if (NILP (e)) | |
6796 | e = make_number (XSTRING (object)->size - 1); | |
6797 | fast_find_string_pos (w, XINT (b), object, | |
6798 | &dpyinfo->mouse_face_beg_col, | |
6799 | &dpyinfo->mouse_face_beg_row, | |
6800 | &dpyinfo->mouse_face_beg_x, | |
6801 | &dpyinfo->mouse_face_beg_y, 0); | |
6802 | fast_find_string_pos (w, XINT (e), object, | |
6803 | &dpyinfo->mouse_face_end_col, | |
6804 | &dpyinfo->mouse_face_end_row, | |
6805 | &dpyinfo->mouse_face_end_x, | |
6806 | &dpyinfo->mouse_face_end_y, 1); | |
6807 | dpyinfo->mouse_face_past_end = 0; | |
6808 | dpyinfo->mouse_face_window = window; | |
6809 | dpyinfo->mouse_face_face_id | |
6810 | = face_at_string_position (w, object, pos, 0, 0, 0, &ignore, | |
6811 | glyph->face_id, 1); | |
6812 | show_mouse_face (dpyinfo, DRAW_MOUSE_FACE); | |
6813 | /* TODO: mouse cursor changes. */ | |
6814 | } | |
6815 | else if (STRINGP (object) && NILP (mouse_face)) | |
6816 | { | |
6817 | /* A string which doesn't have mouse-face, but | |
6818 | the text ``under'' it might have. */ | |
6819 | struct glyph_row *r = MATRIX_ROW (w->current_matrix, vpos); | |
6820 | int start = MATRIX_ROW_START_CHARPOS (r); | |
6821 | ||
6822 | pos = string_buffer_position (w, object, start); | |
6823 | if (pos > 0) | |
6824 | mouse_face = get_char_property_and_overlay (make_number (pos), | |
6825 | Qmouse_face, | |
6826 | w->buffer, | |
6827 | &overlay); | |
6828 | if (!NILP (mouse_face) && !NILP (overlay)) | |
6829 | { | |
6830 | Lisp_Object before = Foverlay_start (overlay); | |
6831 | Lisp_Object after = Foverlay_end (overlay); | |
6ff3e5e3 | 6832 | int ignore; |
9f5a911b JR |
6833 | |
6834 | /* Note that we might not be able to find position | |
6835 | BEFORE in the glyph matrix if the overlay is | |
6836 | entirely covered by a `display' property. In | |
6837 | this case, we overshoot. So let's stop in | |
6838 | the glyph matrix before glyphs for OBJECT. */ | |
6839 | fast_find_position (w, XFASTINT (before), | |
6840 | &dpyinfo->mouse_face_beg_col, | |
6841 | &dpyinfo->mouse_face_beg_row, | |
6842 | &dpyinfo->mouse_face_beg_x, | |
6843 | &dpyinfo->mouse_face_beg_y, | |
6844 | object); | |
6845 | ||
6846 | dpyinfo->mouse_face_past_end | |
6847 | = !fast_find_position (w, XFASTINT (after), | |
6848 | &dpyinfo->mouse_face_end_col, | |
6849 | &dpyinfo->mouse_face_end_row, | |
6850 | &dpyinfo->mouse_face_end_x, | |
6851 | &dpyinfo->mouse_face_end_y, | |
6852 | Qnil); | |
6853 | dpyinfo->mouse_face_window = window; | |
6854 | dpyinfo->mouse_face_face_id | |
6855 | = face_at_buffer_position (w, pos, 0, 0, | |
6856 | &ignore, pos + 1, 1); | |
6857 | ||
6858 | /* Display it as active. */ | |
6859 | show_mouse_face (dpyinfo, DRAW_MOUSE_FACE); | |
6860 | /* TODO: mouse cursor changes. */ | |
6861 | } | |
6862 | } | |
6863 | } | |
6864 | ||
6865 | check_help_echo: | |
6866 | ||
6867 | /* Look for a `help-echo' property. */ | |
791f420f | 6868 | { |
9f5a911b JR |
6869 | Lisp_Object help, overlay; |
6870 | ||
6871 | /* Check overlays first. */ | |
6872 | help = overlay = Qnil; | |
6873 | for (i = noverlays - 1; i >= 0 && NILP (help); --i) | |
791f420f | 6874 | { |
9f5a911b JR |
6875 | overlay = overlay_vec[i]; |
6876 | help = Foverlay_get (overlay, Qhelp_echo); | |
791f420f JR |
6877 | } |
6878 | ||
9f5a911b | 6879 | if (!NILP (help)) |
791f420f | 6880 | { |
9f5a911b JR |
6881 | help_echo = help; |
6882 | help_echo_window = window; | |
6883 | help_echo_object = overlay; | |
6884 | help_echo_pos = pos; | |
6885 | } | |
6886 | else | |
6887 | { | |
6888 | Lisp_Object object = glyph->object; | |
6889 | int charpos = glyph->charpos; | |
ec48c3a7 | 6890 | |
9f5a911b JR |
6891 | /* Try text properties. */ |
6892 | if (STRINGP (object) | |
6893 | && charpos >= 0 | |
6894 | && charpos < XSTRING (object)->size) | |
6895 | { | |
6896 | help = Fget_text_property (make_number (charpos), | |
6897 | Qhelp_echo, object); | |
6898 | if (NILP (help)) | |
6899 | { | |
6900 | /* If the string itself doesn't specify a help-echo, | |
6901 | see if the buffer text ``under'' it does. */ | |
6902 | struct glyph_row *r | |
6903 | = MATRIX_ROW (w->current_matrix, vpos); | |
6904 | int start = MATRIX_ROW_START_CHARPOS (r); | |
6905 | int pos = string_buffer_position (w, object, start); | |
6906 | if (pos > 0) | |
6907 | { | |
6908 | help = Fget_char_property (make_number (pos), | |
6909 | Qhelp_echo, w->buffer); | |
6910 | if (!NILP (help)) | |
6911 | { | |
6912 | charpos = pos; | |
6913 | object = w->buffer; | |
6914 | } | |
6915 | } | |
6916 | } | |
6917 | } | |
6918 | else if (BUFFERP (object) | |
6919 | && charpos >= BEGV | |
6920 | && charpos < ZV) | |
6921 | help = Fget_text_property (make_number (charpos), Qhelp_echo, | |
6922 | object); | |
791f420f | 6923 | |
9f5a911b JR |
6924 | if (!NILP (help)) |
6925 | { | |
6926 | help_echo = help; | |
6927 | help_echo_window = window; | |
6928 | help_echo_object = object; | |
6929 | help_echo_pos = charpos; | |
6930 | } | |
6931 | } | |
791f420f | 6932 | } |
9f5a911b JR |
6933 | |
6934 | BEGV = obegv; | |
6935 | ZV = ozv; | |
6936 | current_buffer = obuf; | |
791f420f | 6937 | } |
9f5a911b JR |
6938 | |
6939 | set_cursor: | |
6940 | /* TODO: mouse cursor changes. */ | |
6941 | ; | |
791f420f JR |
6942 | } |
6943 | ||
791f420f JR |
6944 | static void |
6945 | redo_mouse_highlight () | |
6946 | { | |
6947 | if (!NILP (last_mouse_motion_frame) | |
6948 | && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame))) | |
6949 | note_mouse_highlight (XFRAME (last_mouse_motion_frame), | |
6950 | LOWORD (last_mouse_motion_event.lParam), | |
6951 | HIWORD (last_mouse_motion_event.lParam)); | |
6952 | } | |
6953 | ||
6954 | ||
6955 | \f | |
6956 | /*********************************************************************** | |
6957 | Tool-bars | |
6958 | ***********************************************************************/ | |
6959 | ||
6960 | static int x_tool_bar_item P_ ((struct frame *, int, int, | |
6961 | struct glyph **, int *, int *, int *)); | |
6962 | ||
6963 | /* Tool-bar item index of the item on which a mouse button was pressed | |
6964 | or -1. */ | |
6965 | ||
6966 | static int last_tool_bar_item; | |
6967 | ||
6968 | ||
6969 | /* Get information about the tool-bar item at position X/Y on frame F. | |
6970 | Return in *GLYPH a pointer to the glyph of the tool-bar item in | |
6971 | the current matrix of the tool-bar window of F, or NULL if not | |
6972 | on a tool-bar item. Return in *PROP_IDX the index of the tool-bar | |
d417b5e0 | 6973 | item in F->tool_bar_items. Value is |
791f420f JR |
6974 | |
6975 | -1 if X/Y is not on a tool-bar item | |
6976 | 0 if X/Y is on the same item that was highlighted before. | |
6977 | 1 otherwise. */ | |
6978 | ||
6979 | static int | |
6980 | x_tool_bar_item (f, x, y, glyph, hpos, vpos, prop_idx) | |
6981 | struct frame *f; | |
6982 | int x, y; | |
6983 | struct glyph **glyph; | |
6984 | int *hpos, *vpos, *prop_idx; | |
6985 | { | |
6986 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
6987 | struct window *w = XWINDOW (f->tool_bar_window); | |
6988 | int area; | |
6989 | ||
6990 | /* Find the glyph under X/Y. */ | |
9f5a911b | 6991 | *glyph = x_y_to_hpos_vpos (w, x, y, hpos, vpos, &area, 0); |
791f420f JR |
6992 | if (*glyph == NULL) |
6993 | return -1; | |
6994 | ||
6995 | /* Get the start of this tool-bar item's properties in | |
d417b5e0 | 6996 | f->tool_bar_items. */ |
791f420f JR |
6997 | if (!tool_bar_item_info (f, *glyph, prop_idx)) |
6998 | return -1; | |
6999 | ||
7000 | /* Is mouse on the highlighted item? */ | |
7001 | if (EQ (f->tool_bar_window, dpyinfo->mouse_face_window) | |
7002 | && *vpos >= dpyinfo->mouse_face_beg_row | |
7003 | && *vpos <= dpyinfo->mouse_face_end_row | |
7004 | && (*vpos > dpyinfo->mouse_face_beg_row | |
7005 | || *hpos >= dpyinfo->mouse_face_beg_col) | |
7006 | && (*vpos < dpyinfo->mouse_face_end_row | |
7007 | || *hpos < dpyinfo->mouse_face_end_col | |
7008 | || dpyinfo->mouse_face_past_end)) | |
7009 | return 0; | |
7010 | ||
7011 | return 1; | |
7012 | } | |
7013 | ||
7014 | ||
9ef2e2cf | 7015 | /* Handle mouse button event on the tool-bar of frame F, at |
791f420f JR |
7016 | frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress |
7017 | or ButtonRelase. */ | |
7018 | ||
7019 | static void | |
7020 | w32_handle_tool_bar_click (f, button_event) | |
7021 | struct frame *f; | |
7022 | struct input_event *button_event; | |
7023 | { | |
7024 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
7025 | struct window *w = XWINDOW (f->tool_bar_window); | |
7026 | int hpos, vpos, prop_idx; | |
7027 | struct glyph *glyph; | |
7028 | Lisp_Object enabled_p; | |
7029 | int x = XFASTINT (button_event->x); | |
7030 | int y = XFASTINT (button_event->y); | |
7031 | ||
7032 | /* If not on the highlighted tool-bar item, return. */ | |
7033 | frame_to_window_pixel_xy (w, &x, &y); | |
7034 | if (x_tool_bar_item (f, x, y, &glyph, &hpos, &vpos, &prop_idx) != 0) | |
7035 | return; | |
7036 | ||
7037 | /* If item is disabled, do nothing. */ | |
d417b5e0 | 7038 | enabled_p = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_ENABLED_P); |
791f420f JR |
7039 | if (NILP (enabled_p)) |
7040 | return; | |
7041 | ||
7042 | if (button_event->kind == mouse_click) | |
7043 | { | |
7044 | /* Show item in pressed state. */ | |
7045 | show_mouse_face (dpyinfo, DRAW_IMAGE_SUNKEN); | |
7046 | dpyinfo->mouse_face_image_state = DRAW_IMAGE_SUNKEN; | |
7047 | last_tool_bar_item = prop_idx; | |
7048 | } | |
7049 | else | |
7050 | { | |
7051 | Lisp_Object key, frame; | |
7052 | struct input_event event; | |
7053 | ||
7054 | /* Show item in released state. */ | |
7055 | show_mouse_face (dpyinfo, DRAW_IMAGE_RAISED); | |
7056 | dpyinfo->mouse_face_image_state = DRAW_IMAGE_RAISED; | |
7057 | ||
d417b5e0 | 7058 | key = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_KEY); |
791f420f JR |
7059 | |
7060 | XSETFRAME (frame, f); | |
7061 | event.kind = TOOL_BAR_EVENT; | |
c8b33aa6 GM |
7062 | event.frame_or_window = frame; |
7063 | event.arg = frame; | |
791f420f JR |
7064 | kbd_buffer_store_event (&event); |
7065 | ||
7066 | event.kind = TOOL_BAR_EVENT; | |
c8b33aa6 GM |
7067 | event.frame_or_window = frame; |
7068 | event.arg = key; | |
791f420f JR |
7069 | event.modifiers = button_event->modifiers; |
7070 | kbd_buffer_store_event (&event); | |
7071 | last_tool_bar_item = -1; | |
7072 | } | |
7073 | } | |
7074 | ||
7075 | ||
9ef2e2cf | 7076 | /* Possibly highlight a tool-bar item on frame F when mouse moves to |
791f420f JR |
7077 | tool-bar window-relative coordinates X/Y. Called from |
7078 | note_mouse_highlight. */ | |
7079 | ||
7080 | static void | |
7081 | note_tool_bar_highlight (f, x, y) | |
7082 | struct frame *f; | |
7083 | int x, y; | |
7084 | { | |
7085 | Lisp_Object window = f->tool_bar_window; | |
7086 | struct window *w = XWINDOW (window); | |
7087 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
7088 | int hpos, vpos; | |
7089 | struct glyph *glyph; | |
7090 | struct glyph_row *row; | |
7091 | int i; | |
7092 | Lisp_Object enabled_p; | |
7093 | int prop_idx; | |
7094 | enum draw_glyphs_face draw = DRAW_IMAGE_RAISED; | |
7095 | int mouse_down_p, rc; | |
7096 | ||
7097 | /* Function note_mouse_highlight is called with negative x(y | |
7098 | values when mouse moves outside of the frame. */ | |
7099 | if (x <= 0 || y <= 0) | |
7100 | { | |
7101 | clear_mouse_face (dpyinfo); | |
7102 | return; | |
7103 | } | |
7104 | ||
7105 | rc = x_tool_bar_item (f, x, y, &glyph, &hpos, &vpos, &prop_idx); | |
7106 | if (rc < 0) | |
7107 | { | |
7108 | /* Not on tool-bar item. */ | |
7109 | clear_mouse_face (dpyinfo); | |
7110 | return; | |
7111 | } | |
7112 | else if (rc == 0) | |
7113 | /* On same tool-bar item as before. */ | |
7114 | goto set_help_echo; | |
ee78dc32 | 7115 | |
791f420f JR |
7116 | clear_mouse_face (dpyinfo); |
7117 | ||
7118 | /* Mouse is down, but on different tool-bar item? */ | |
7119 | mouse_down_p = (dpyinfo->grabbed | |
7120 | && f == last_mouse_frame | |
7121 | && FRAME_LIVE_P (f)); | |
7122 | if (mouse_down_p | |
7123 | && last_tool_bar_item != prop_idx) | |
7124 | return; | |
ee78dc32 | 7125 | |
791f420f JR |
7126 | dpyinfo->mouse_face_image_state = DRAW_NORMAL_TEXT; |
7127 | draw = mouse_down_p ? DRAW_IMAGE_SUNKEN : DRAW_IMAGE_RAISED; | |
7128 | ||
7129 | /* If tool-bar item is not enabled, don't highlight it. */ | |
d417b5e0 | 7130 | enabled_p = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_ENABLED_P); |
791f420f JR |
7131 | if (!NILP (enabled_p)) |
7132 | { | |
7133 | /* Compute the x-position of the glyph. In front and past the | |
7134 | image is a space. We include this is the highlighted area. */ | |
7135 | row = MATRIX_ROW (w->current_matrix, vpos); | |
7136 | for (i = x = 0; i < hpos; ++i) | |
7137 | x += row->glyphs[TEXT_AREA][i].pixel_width; | |
7138 | ||
7139 | /* Record this as the current active region. */ | |
7140 | dpyinfo->mouse_face_beg_col = hpos; | |
7141 | dpyinfo->mouse_face_beg_row = vpos; | |
7142 | dpyinfo->mouse_face_beg_x = x; | |
7143 | dpyinfo->mouse_face_beg_y = row->y; | |
7144 | dpyinfo->mouse_face_past_end = 0; | |
7145 | ||
7146 | dpyinfo->mouse_face_end_col = hpos + 1; | |
7147 | dpyinfo->mouse_face_end_row = vpos; | |
7148 | dpyinfo->mouse_face_end_x = x + glyph->pixel_width; | |
7149 | dpyinfo->mouse_face_end_y = row->y; | |
7150 | dpyinfo->mouse_face_window = window; | |
7151 | dpyinfo->mouse_face_face_id = TOOL_BAR_FACE_ID; | |
7152 | ||
7153 | /* Display it as active. */ | |
7154 | show_mouse_face (dpyinfo, draw); | |
7155 | dpyinfo->mouse_face_image_state = draw; | |
ee78dc32 | 7156 | } |
791f420f JR |
7157 | |
7158 | set_help_echo: | |
7159 | ||
7160 | /* Set help_echo to a help string.to display for this tool-bar item. | |
7161 | w32_read_socket does the rest. */ | |
158cba56 | 7162 | help_echo_object = help_echo_window = Qnil; |
ec48c3a7 | 7163 | help_echo_pos = -1; |
d417b5e0 | 7164 | help_echo = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_HELP); |
b7e80413 | 7165 | if (NILP (help_echo)) |
d417b5e0 | 7166 | help_echo = AREF (f->tool_bar_items, prop_idx + TOOL_BAR_ITEM_CAPTION); |
ee78dc32 | 7167 | } |
ee78dc32 | 7168 | |
9ef2e2cf | 7169 | |
791f420f | 7170 | \f |
9f5a911b JR |
7171 | /* Find the glyph matrix position of buffer position CHARPOS in window |
7172 | *W. HPOS, *VPOS, *X, and *Y are set to the positions found. W's | |
7173 | current glyphs must be up to date. If CHARPOS is above window | |
7174 | start return (0, 0, 0, 0). If CHARPOS is after end of W, return end | |
7175 | of last line in W. In the row containing CHARPOS, stop before glyphs | |
7176 | having STOP as object. */ | |
7177 | ||
7178 | #if 0 /* This is a version of fast_find_position that's more correct | |
7179 | in the presence of hscrolling, for example. I didn't install | |
7180 | it right away because the problem fixed is minor, it failed | |
7181 | in 20.x as well, and I think it's too risky to install | |
7182 | so near the release of 21.1. 2001-09-25 gerd. */ | |
ee78dc32 GV |
7183 | |
7184 | static int | |
9f5a911b JR |
7185 | fast_find_position (w, charpos, hpos, vpos, x, y, stop) |
7186 | struct window *w; | |
7187 | int charpos; | |
7188 | int *hpos, *vpos, *x, *y; | |
7189 | Lisp_Object stop; | |
7190 | { | |
7191 | struct glyph_row *row, *first; | |
7192 | struct glyph *glyph, *end; | |
7193 | int i, past_end = 0; | |
7194 | ||
7195 | first = MATRIX_FIRST_TEXT_ROW (w->current_matrix); | |
62e33982 | 7196 | row = row_containing_pos (w, charpos, first, NULL, 0); |
9f5a911b JR |
7197 | if (row == NULL) |
7198 | { | |
7199 | if (charpos < MATRIX_ROW_START_CHARPOS (first)) | |
7200 | { | |
7201 | *x = *y = *hpos = *vpos = 0; | |
7202 | return 0; | |
7203 | } | |
7204 | else | |
7205 | { | |
7206 | row = MATRIX_ROW (w->current_matrix, XFASTINT (w->window_end_vpos)); | |
7207 | past_end = 1; | |
7208 | } | |
7209 | } | |
7210 | ||
7211 | *x = row->x; | |
7212 | *y = row->y; | |
7213 | *vpos = MATRIX_ROW_VPOS (row, w->current_matrix); | |
7214 | ||
7215 | glyph = row->glyphs[TEXT_AREA]; | |
7216 | end = glyph + row->used[TEXT_AREA]; | |
7217 | ||
7218 | /* Skip over glyphs not having an object at the start of the row. | |
7219 | These are special glyphs like truncation marks on terminal | |
7220 | frames. */ | |
7221 | if (row->displays_text_p) | |
7222 | while (glyph < end | |
7223 | && INTEGERP (glyph->object) | |
7224 | && !EQ (stop, glyph->object) | |
7225 | && glyph->charpos < 0) | |
7226 | { | |
7227 | *x += glyph->pixel_width; | |
7228 | ++glyph; | |
7229 | } | |
7230 | ||
7231 | while (glyph < end | |
7232 | && !INTEGERP (glyph->object) | |
7233 | && !EQ (stop, glyph->object) | |
7234 | && (!BUFFERP (glyph->object) | |
7235 | || glyph->charpos < charpos)) | |
7236 | { | |
7237 | *x += glyph->pixel_width; | |
7238 | ++glyph; | |
7239 | } | |
7240 | ||
7241 | *hpos = glyph - row->glyphs[TEXT_AREA]; | |
7242 | return past_end; | |
7243 | } | |
7244 | ||
7245 | #else /* not 0 */ | |
7246 | ||
7247 | static int | |
7248 | fast_find_position (w, pos, hpos, vpos, x, y, stop) | |
791f420f | 7249 | struct window *w; |
ee78dc32 | 7250 | int pos; |
791f420f | 7251 | int *hpos, *vpos, *x, *y; |
9f5a911b | 7252 | Lisp_Object stop; |
ee78dc32 | 7253 | { |
ee78dc32 | 7254 | int i; |
ee78dc32 | 7255 | int lastcol; |
791f420f JR |
7256 | int maybe_next_line_p = 0; |
7257 | int line_start_position; | |
7258 | int yb = window_text_bottom_y (w); | |
9f5a911b JR |
7259 | struct glyph_row *row, *best_row; |
7260 | int row_vpos, best_row_vpos; | |
791f420f JR |
7261 | int current_x; |
7262 | ||
9f5a911b JR |
7263 | row = best_row = MATRIX_FIRST_TEXT_ROW (w->current_matrix); |
7264 | row_vpos = best_row_vpos = MATRIX_ROW_VPOS (row, w->current_matrix); | |
7265 | ||
791f420f | 7266 | while (row->y < yb) |
ee78dc32 | 7267 | { |
791f420f JR |
7268 | if (row->used[TEXT_AREA]) |
7269 | line_start_position = row->glyphs[TEXT_AREA]->charpos; | |
7270 | else | |
7271 | line_start_position = 0; | |
7272 | ||
7273 | if (line_start_position > pos) | |
ee78dc32 GV |
7274 | break; |
7275 | /* If the position sought is the end of the buffer, | |
7276 | don't include the blank lines at the bottom of the window. */ | |
791f420f JR |
7277 | else if (line_start_position == pos |
7278 | && pos == BUF_ZV (XBUFFER (w->buffer))) | |
ee78dc32 | 7279 | { |
791f420f | 7280 | maybe_next_line_p = 1; |
ee78dc32 GV |
7281 | break; |
7282 | } | |
791f420f JR |
7283 | else if (line_start_position > 0) |
7284 | { | |
7285 | best_row = row; | |
7286 | best_row_vpos = row_vpos; | |
7287 | } | |
7288 | ||
9ef2e2cf JR |
7289 | if (row->y + row->height >= yb) |
7290 | break; | |
7291 | ||
791f420f JR |
7292 | ++row; |
7293 | ++row_vpos; | |
ee78dc32 GV |
7294 | } |
7295 | ||
791f420f JR |
7296 | /* Find the right column within BEST_ROW. */ |
7297 | lastcol = 0; | |
7298 | current_x = best_row->x; | |
7299 | for (i = 0; i < best_row->used[TEXT_AREA]; i++) | |
ee78dc32 | 7300 | { |
791f420f | 7301 | struct glyph *glyph = best_row->glyphs[TEXT_AREA] + i; |
9f5a911b | 7302 | int charpos = glyph->charpos; |
791f420f | 7303 | |
9f5a911b | 7304 | if (BUFFERP (glyph->object)) |
ee78dc32 | 7305 | { |
9f5a911b JR |
7306 | if (charpos == pos) |
7307 | { | |
7308 | *hpos = i; | |
7309 | *vpos = best_row_vpos; | |
7310 | *x = current_x; | |
7311 | *y = best_row->y; | |
7312 | return 1; | |
7313 | } | |
7314 | else if (charpos > pos) | |
7315 | break; | |
ee78dc32 | 7316 | } |
9f5a911b | 7317 | else if (EQ (glyph->object, stop)) |
ee78dc32 | 7318 | break; |
791f420f | 7319 | |
9f5a911b JR |
7320 | if (charpos > 0) |
7321 | lastcol = i; | |
791f420f | 7322 | current_x += glyph->pixel_width; |
ee78dc32 GV |
7323 | } |
7324 | ||
7325 | /* If we're looking for the end of the buffer, | |
7326 | and we didn't find it in the line we scanned, | |
7327 | use the start of the following line. */ | |
791f420f | 7328 | if (maybe_next_line_p) |
ee78dc32 | 7329 | { |
791f420f JR |
7330 | ++best_row; |
7331 | ++best_row_vpos; | |
7332 | lastcol = 0; | |
7333 | current_x = best_row->x; | |
ee78dc32 GV |
7334 | } |
7335 | ||
791f420f JR |
7336 | *vpos = best_row_vpos; |
7337 | *hpos = lastcol + 1; | |
7338 | *x = current_x; | |
7339 | *y = best_row->y; | |
ee78dc32 GV |
7340 | return 0; |
7341 | } | |
7342 | ||
9f5a911b JR |
7343 | #endif /* not 0 */ |
7344 | ||
7345 | ||
269b7745 | 7346 | /* Find the position of the glyph for position POS in OBJECT in |
9f5a911b JR |
7347 | window W's current matrix, and return in *X/*Y the pixel |
7348 | coordinates, and return in *HPOS/*VPOS the column/row of the glyph. | |
7349 | ||
7350 | RIGHT_P non-zero means return the position of the right edge of the | |
7351 | glyph, RIGHT_P zero means return the left edge position. | |
7352 | ||
7353 | If no glyph for POS exists in the matrix, return the position of | |
7354 | the glyph with the next smaller position that is in the matrix, if | |
7355 | RIGHT_P is zero. If RIGHT_P is non-zero, and no glyph for POS | |
7356 | exists in the matrix, return the position of the glyph with the | |
7357 | next larger position in OBJECT. | |
7358 | ||
7359 | Value is non-zero if a glyph was found. */ | |
7360 | ||
7361 | static int | |
7362 | fast_find_string_pos (w, pos, object, hpos, vpos, x, y, right_p) | |
7363 | struct window *w; | |
7364 | int pos; | |
7365 | Lisp_Object object; | |
7366 | int *hpos, *vpos, *x, *y; | |
7367 | int right_p; | |
7368 | { | |
7369 | int yb = window_text_bottom_y (w); | |
7370 | struct glyph_row *r; | |
7371 | struct glyph *best_glyph = NULL; | |
7372 | struct glyph_row *best_row = NULL; | |
7373 | int best_x = 0; | |
7374 | ||
7375 | for (r = MATRIX_FIRST_TEXT_ROW (w->current_matrix); | |
7376 | r->enabled_p && r->y < yb; | |
7377 | ++r) | |
7378 | { | |
7379 | struct glyph *g = r->glyphs[TEXT_AREA]; | |
7380 | struct glyph *e = g + r->used[TEXT_AREA]; | |
7381 | int gx; | |
7382 | ||
7383 | for (gx = r->x; g < e; gx += g->pixel_width, ++g) | |
7384 | if (EQ (g->object, object)) | |
7385 | { | |
7386 | if (g->charpos == pos) | |
7387 | { | |
7388 | best_glyph = g; | |
7389 | best_x = gx; | |
7390 | best_row = r; | |
7391 | goto found; | |
7392 | } | |
7393 | else if (best_glyph == NULL | |
7394 | || ((abs (g->charpos - pos) | |
7395 | < abs (best_glyph->charpos - pos)) | |
7396 | && (right_p | |
7397 | ? g->charpos < pos | |
7398 | : g->charpos > pos))) | |
7399 | { | |
7400 | best_glyph = g; | |
7401 | best_x = gx; | |
7402 | best_row = r; | |
7403 | } | |
7404 | } | |
7405 | } | |
7406 | ||
7407 | found: | |
7408 | ||
7409 | if (best_glyph) | |
7410 | { | |
7411 | *x = best_x; | |
7412 | *hpos = best_glyph - best_row->glyphs[TEXT_AREA]; | |
7413 | ||
7414 | if (right_p) | |
7415 | { | |
7416 | *x += best_glyph->pixel_width; | |
7417 | ++*hpos; | |
7418 | } | |
7419 | ||
7420 | *y = best_row->y; | |
7421 | *vpos = best_row - w->current_matrix->rows; | |
7422 | } | |
7423 | ||
7424 | return best_glyph != NULL; | |
7425 | } | |
7426 | ||
791f420f | 7427 | |
ee78dc32 GV |
7428 | /* Display the active region described by mouse_face_* |
7429 | in its mouse-face if HL > 0, in its normal face if HL = 0. */ | |
7430 | ||
7431 | static void | |
791f420f | 7432 | show_mouse_face (dpyinfo, draw) |
fbd6baed | 7433 | struct w32_display_info *dpyinfo; |
791f420f | 7434 | enum draw_glyphs_face draw; |
ee78dc32 GV |
7435 | { |
7436 | struct window *w = XWINDOW (dpyinfo->mouse_face_window); | |
791f420f | 7437 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
791f420f | 7438 | |
6ff3e5e3 JR |
7439 | if (/* If window is in the process of being destroyed, don't bother |
7440 | to do anything. */ | |
7441 | w->current_matrix != NULL | |
3d26a7c2 KS |
7442 | /* Don't update mouse highlight if hidden */ |
7443 | && (draw != DRAW_MOUSE_FACE || !dpyinfo->mouse_face_hidden) | |
6ff3e5e3 JR |
7444 | /* Recognize when we are called to operate on rows that don't exist |
7445 | anymore. This can happen when a window is split. */ | |
7446 | && dpyinfo->mouse_face_end_row < w->current_matrix->nrows) | |
7447 | { | |
7448 | int phys_cursor_on_p = w->phys_cursor_on_p; | |
7449 | struct glyph_row *row, *first, *last; | |
7450 | ||
7451 | first = MATRIX_ROW (w->current_matrix, dpyinfo->mouse_face_beg_row); | |
7452 | last = MATRIX_ROW (w->current_matrix, dpyinfo->mouse_face_end_row); | |
7453 | ||
7454 | for (row = first; row <= last && row->enabled_p; ++row) | |
7455 | { | |
7456 | int start_hpos, end_hpos, start_x; | |
791f420f | 7457 | |
6ff3e5e3 JR |
7458 | /* For all but the first row, the highlight starts at column 0. */ |
7459 | if (row == first) | |
7460 | { | |
7461 | start_hpos = dpyinfo->mouse_face_beg_col; | |
7462 | start_x = dpyinfo->mouse_face_beg_x; | |
7463 | } | |
7464 | else | |
7465 | { | |
7466 | start_hpos = 0; | |
7467 | start_x = 0; | |
7468 | } | |
791f420f | 7469 | |
6ff3e5e3 JR |
7470 | if (row == last) |
7471 | end_hpos = dpyinfo->mouse_face_end_col; | |
7472 | else | |
7473 | end_hpos = row->used[TEXT_AREA]; | |
791f420f | 7474 | |
6ff3e5e3 JR |
7475 | if (end_hpos > start_hpos) |
7476 | { | |
7477 | x_draw_glyphs (w, start_x, row, TEXT_AREA, | |
7478 | start_hpos, end_hpos, draw, 0); | |
791f420f | 7479 | |
6637c996 JR |
7480 | row->mouse_face_p |
7481 | = draw == DRAW_MOUSE_FACE || draw == DRAW_IMAGE_RAISED; | |
6ff3e5e3 | 7482 | } |
ee78dc32 GV |
7483 | } |
7484 | ||
6ff3e5e3 JR |
7485 | /* When we've written over the cursor, arrange for it to |
7486 | be displayed again. */ | |
7487 | if (phys_cursor_on_p && !w->phys_cursor_on_p) | |
7488 | x_display_cursor (w, 1, | |
7489 | w->phys_cursor.hpos, w->phys_cursor.vpos, | |
7490 | w->phys_cursor.x, w->phys_cursor.y); | |
ee78dc32 GV |
7491 | } |
7492 | ||
01b220b6 | 7493 | #if 0 /* TODO: mouse cursor */ |
791f420f JR |
7494 | /* Change the mouse cursor. */ |
7495 | if (draw == DRAW_NORMAL_TEXT) | |
7496 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
7497 | f->output_data.x->text_cursor); | |
7498 | else if (draw == DRAW_MOUSE_FACE) | |
7499 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), | |
7500 | f->output_data.x->cross_cursor); | |
ee78dc32 | 7501 | else |
791f420f JR |
7502 | XDefineCursor (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), |
7503 | f->output_data.x->nontext_cursor); | |
7504 | #endif | |
ee78dc32 GV |
7505 | } |
7506 | ||
7507 | /* Clear out the mouse-highlighted active region. | |
9ef2e2cf | 7508 | Redraw it un-highlighted first. */ |
ee78dc32 | 7509 | |
9f5a911b | 7510 | static int |
ee78dc32 | 7511 | clear_mouse_face (dpyinfo) |
fbd6baed | 7512 | struct w32_display_info *dpyinfo; |
ee78dc32 | 7513 | { |
9f5a911b | 7514 | int cleared = 0; |
791f420f | 7515 | |
ee78dc32 | 7516 | if (! NILP (dpyinfo->mouse_face_window)) |
9f5a911b JR |
7517 | { |
7518 | show_mouse_face (dpyinfo, DRAW_NORMAL_TEXT); | |
7519 | cleared = 1; | |
7520 | } | |
ee78dc32 GV |
7521 | |
7522 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
7523 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
7524 | dpyinfo->mouse_face_window = Qnil; | |
9f5a911b JR |
7525 | dpyinfo->mouse_face_overlay = Qnil; |
7526 | return cleared; | |
ee78dc32 | 7527 | } |
31d4844a | 7528 | |
ec48c3a7 JR |
7529 | |
7530 | /* Clear any mouse-face on window W. This function is part of the | |
7531 | redisplay interface, and is called from try_window_id and similar | |
7532 | functions to ensure the mouse-highlight is off. */ | |
7533 | ||
7534 | static void | |
7535 | x_clear_mouse_face (w) | |
7536 | struct window *w; | |
7537 | { | |
7538 | struct w32_display_info *dpyinfo | |
7539 | = FRAME_W32_DISPLAY_INFO (XFRAME (w->frame)); | |
7540 | Lisp_Object window; | |
7541 | ||
9127e20e | 7542 | BLOCK_INPUT; |
ec48c3a7 JR |
7543 | XSETWINDOW (window, w); |
7544 | if (EQ (window, dpyinfo->mouse_face_window)) | |
7545 | clear_mouse_face (dpyinfo); | |
9127e20e | 7546 | UNBLOCK_INPUT; |
ec48c3a7 JR |
7547 | } |
7548 | ||
7549 | ||
31d4844a KH |
7550 | /* Just discard the mouse face information for frame F, if any. |
7551 | This is used when the size of F is changed. */ | |
7552 | ||
7553 | void | |
7554 | cancel_mouse_face (f) | |
7555 | FRAME_PTR f; | |
7556 | { | |
7557 | Lisp_Object window; | |
7558 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
7559 | ||
7560 | window = dpyinfo->mouse_face_window; | |
7561 | if (! NILP (window) && XFRAME (XWINDOW (window)->frame) == f) | |
7562 | { | |
7563 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
7564 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
7565 | dpyinfo->mouse_face_window = Qnil; | |
7566 | } | |
7567 | } | |
ee78dc32 | 7568 | \f |
9ef2e2cf | 7569 | static struct scroll_bar *x_window_to_scroll_bar (); |
ee78dc32 | 7570 | static void x_scroll_bar_report_motion (); |
9f5a911b JR |
7571 | static int glyph_rect P_ ((struct frame *f, int, int, RECT *)); |
7572 | ||
7573 | ||
7574 | /* Try to determine frame pixel position and size of the glyph under | |
7575 | frame pixel coordinates X/Y on frame F . Return the position and | |
7576 | size in *RECT. Value is non-zero if we could compute these | |
7577 | values. */ | |
7578 | ||
7579 | static int | |
7580 | glyph_rect (f, x, y, rect) | |
7581 | struct frame *f; | |
7582 | int x, y; | |
7583 | RECT *rect; | |
7584 | { | |
7585 | Lisp_Object window; | |
7586 | int part, found = 0; | |
7587 | ||
7588 | window = window_from_coordinates (f, x, y, &part, 0); | |
7589 | if (!NILP (window)) | |
7590 | { | |
7591 | struct window *w = XWINDOW (window); | |
7592 | struct glyph_row *r = MATRIX_FIRST_TEXT_ROW (w->current_matrix); | |
7593 | struct glyph_row *end = r + w->current_matrix->nrows - 1; | |
9f5a911b JR |
7594 | |
7595 | frame_to_window_pixel_xy (w, &x, &y); | |
7596 | ||
7597 | for (; !found && r < end && r->enabled_p; ++r) | |
7598 | if (r->y + r->height >= y) | |
7599 | { | |
7600 | struct glyph *g = r->glyphs[TEXT_AREA]; | |
7601 | struct glyph *end = g + r->used[TEXT_AREA]; | |
7602 | int gx; | |
7603 | ||
7604 | for (gx = r->x; !found && g < end; gx += g->pixel_width, ++g) | |
7605 | if (gx + g->pixel_width >= x) | |
7606 | { | |
7607 | rect->left = WINDOW_TO_FRAME_PIXEL_X (w, gx); | |
7608 | rect->top = WINDOW_TO_FRAME_PIXEL_Y (w, r->y); | |
7609 | rect->right = rect->left + g->pixel_width; | |
7610 | rect->bottom = rect->top + r->height; | |
7611 | found = 1; | |
7612 | } | |
7613 | } | |
7614 | } | |
7615 | ||
7616 | return found; | |
7617 | } | |
7618 | ||
7619 | /* Record the position of the mouse in last_mouse_glyph. */ | |
565153ff JR |
7620 | static void |
7621 | remember_mouse_glyph (f1, gx, gy) | |
9f5a911b JR |
7622 | struct frame * f1; |
7623 | int gx, gy; | |
7624 | { | |
7625 | if (!glyph_rect (f1, gx, gy, &last_mouse_glyph)) | |
7626 | { | |
7627 | int width = FRAME_SMALLEST_CHAR_WIDTH (f1); | |
7628 | int height = FRAME_SMALLEST_FONT_HEIGHT (f1); | |
7629 | ||
7630 | /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to | |
7631 | round down even for negative values. */ | |
7632 | if (gx < 0) | |
7633 | gx -= width - 1; | |
7634 | if (gy < 0) | |
7635 | gy -= height - 1; | |
7636 | #if 0 | |
7637 | /* This was the original code from XTmouse_position, but it seems | |
7638 | to give the position of the glyph diagonally next to the one | |
7639 | the mouse is over. */ | |
7640 | gx = (gx + width - 1) / width * width; | |
7641 | gy = (gy + height - 1) / height * height; | |
7642 | #else | |
7643 | gx = gx / width * width; | |
7644 | gy = gy / height * height; | |
7645 | #endif | |
7646 | ||
7647 | last_mouse_glyph.left = gx; | |
7648 | last_mouse_glyph.top = gy; | |
7649 | last_mouse_glyph.right = gx + width; | |
7650 | last_mouse_glyph.bottom = gy + height; | |
7651 | } | |
7652 | } | |
ee78dc32 GV |
7653 | |
7654 | /* Return the current position of the mouse. | |
7655 | *fp should be a frame which indicates which display to ask about. | |
7656 | ||
7657 | If the mouse movement started in a scroll bar, set *fp, *bar_window, | |
7658 | and *part to the frame, window, and scroll bar part that the mouse | |
7659 | is over. Set *x and *y to the portion and whole of the mouse's | |
7660 | position on the scroll bar. | |
7661 | ||
7662 | If the mouse movement started elsewhere, set *fp to the frame the | |
7663 | mouse is on, *bar_window to nil, and *x and *y to the character cell | |
7664 | the mouse is over. | |
7665 | ||
9ef2e2cf | 7666 | Set *time to the server time-stamp for the time at which the mouse |
ee78dc32 GV |
7667 | was at this position. |
7668 | ||
7669 | Don't store anything if we don't have a valid set of values to report. | |
7670 | ||
7671 | This clears the mouse_moved flag, so we can wait for the next mouse | |
9ef2e2cf | 7672 | movement. */ |
ee78dc32 GV |
7673 | |
7674 | static void | |
fbd6baed | 7675 | w32_mouse_position (fp, insist, bar_window, part, x, y, time) |
ee78dc32 GV |
7676 | FRAME_PTR *fp; |
7677 | int insist; | |
7678 | Lisp_Object *bar_window; | |
7679 | enum scroll_bar_part *part; | |
7680 | Lisp_Object *x, *y; | |
7681 | unsigned long *time; | |
7682 | { | |
7683 | FRAME_PTR f1; | |
7684 | ||
7685 | BLOCK_INPUT; | |
7686 | ||
95fa970d | 7687 | if (! NILP (last_mouse_scroll_bar) && insist == 0) |
ee78dc32 GV |
7688 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time); |
7689 | else | |
7690 | { | |
7691 | POINT pt; | |
7692 | ||
7693 | Lisp_Object frame, tail; | |
7694 | ||
7695 | /* Clear the mouse-moved flag for every frame on this display. */ | |
7696 | FOR_EACH_FRAME (tail, frame) | |
7697 | XFRAME (frame)->mouse_moved = 0; | |
7698 | ||
7699 | last_mouse_scroll_bar = Qnil; | |
7700 | ||
7701 | GetCursorPos (&pt); | |
7702 | ||
7703 | /* Now we have a position on the root; find the innermost window | |
7704 | containing the pointer. */ | |
7705 | { | |
fbd6baed | 7706 | if (FRAME_W32_DISPLAY_INFO (*fp)->grabbed && last_mouse_frame |
ee78dc32 GV |
7707 | && FRAME_LIVE_P (last_mouse_frame)) |
7708 | { | |
08712a41 AI |
7709 | /* If mouse was grabbed on a frame, give coords for that frame |
7710 | even if the mouse is now outside it. */ | |
ee78dc32 GV |
7711 | f1 = last_mouse_frame; |
7712 | } | |
7713 | else | |
7714 | { | |
08712a41 | 7715 | /* Is window under mouse one of our frames? */ |
9f5a911b | 7716 | f1 = x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp), |
9127e20e | 7717 | WindowFromPoint (pt)); |
ee78dc32 GV |
7718 | } |
7719 | ||
7720 | /* If not, is it one of our scroll bars? */ | |
7721 | if (! f1) | |
7722 | { | |
9127e20e JR |
7723 | struct scroll_bar *bar |
7724 | = x_window_to_scroll_bar (WindowFromPoint (pt)); | |
ee78dc32 GV |
7725 | |
7726 | if (bar) | |
7727 | { | |
7728 | f1 = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
7729 | } | |
7730 | } | |
7731 | ||
95fa970d | 7732 | if (f1 == 0 && insist > 0) |
791f420f | 7733 | f1 = SELECTED_FRAME (); |
ee78dc32 GV |
7734 | |
7735 | if (f1) | |
7736 | { | |
791f420f JR |
7737 | /* Ok, we found a frame. Store all the values. |
7738 | last_mouse_glyph is a rectangle used to reduce the | |
7739 | generation of mouse events. To not miss any motion | |
7740 | events, we must divide the frame into rectangles of the | |
7741 | size of the smallest character that could be displayed | |
7742 | on it, i.e. into the same rectangles that matrices on | |
7743 | the frame are divided into. */ | |
7744 | ||
7745 | #if OLD_REDISPLAY_CODE | |
ee78dc32 GV |
7746 | int ignore1, ignore2; |
7747 | ||
fbd6baed | 7748 | ScreenToClient (FRAME_W32_WINDOW (f1), &pt); |
ee78dc32 | 7749 | |
ee78dc32 GV |
7750 | pixel_to_glyph_coords (f1, pt.x, pt.y, &ignore1, &ignore2, |
7751 | &last_mouse_glyph, | |
fbd6baed | 7752 | FRAME_W32_DISPLAY_INFO (f1)->grabbed |
ee78dc32 | 7753 | || insist); |
791f420f JR |
7754 | #else |
7755 | ScreenToClient (FRAME_W32_WINDOW (f1), &pt); | |
9f5a911b | 7756 | remember_mouse_glyph (f1, pt.x, pt.y); |
791f420f | 7757 | #endif |
ee78dc32 GV |
7758 | |
7759 | *bar_window = Qnil; | |
7760 | *part = 0; | |
7761 | *fp = f1; | |
7762 | XSETINT (*x, pt.x); | |
7763 | XSETINT (*y, pt.y); | |
7764 | *time = last_mouse_movement_time; | |
7765 | } | |
7766 | } | |
7767 | } | |
7768 | ||
7769 | UNBLOCK_INPUT; | |
7770 | } | |
791f420f | 7771 | |
ee78dc32 GV |
7772 | \f |
7773 | /* Scroll bar support. */ | |
7774 | ||
ec48c3a7 | 7775 | /* Given a window ID, find the struct scroll_bar which manages it. |
ee78dc32 GV |
7776 | This can be called in GC, so we have to make sure to strip off mark |
7777 | bits. */ | |
9ef2e2cf JR |
7778 | |
7779 | static struct scroll_bar * | |
ee78dc32 GV |
7780 | x_window_to_scroll_bar (window_id) |
7781 | Window window_id; | |
7782 | { | |
791f420f | 7783 | Lisp_Object tail; |
ee78dc32 GV |
7784 | |
7785 | for (tail = Vframe_list; | |
7786 | XGCTYPE (tail) == Lisp_Cons; | |
8e713be6 | 7787 | tail = XCDR (tail)) |
ee78dc32 GV |
7788 | { |
7789 | Lisp_Object frame, bar, condemned; | |
7790 | ||
8e713be6 | 7791 | frame = XCAR (tail); |
ee78dc32 GV |
7792 | /* All elements of Vframe_list should be frames. */ |
7793 | if (! GC_FRAMEP (frame)) | |
7794 | abort (); | |
7795 | ||
7796 | /* Scan this frame's scroll bar list for a scroll bar with the | |
7797 | right window ID. */ | |
7798 | condemned = FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame)); | |
7799 | for (bar = FRAME_SCROLL_BARS (XFRAME (frame)); | |
7800 | /* This trick allows us to search both the ordinary and | |
7801 | condemned scroll bar lists with one loop. */ | |
7802 | ! GC_NILP (bar) || (bar = condemned, | |
7803 | condemned = Qnil, | |
7804 | ! GC_NILP (bar)); | |
7805 | bar = XSCROLL_BAR (bar)->next) | |
fbd6baed | 7806 | if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar)) == window_id) |
ee78dc32 GV |
7807 | return XSCROLL_BAR (bar); |
7808 | } | |
7809 | ||
7810 | return 0; | |
7811 | } | |
7812 | ||
791f420f JR |
7813 | |
7814 | \f | |
7815 | /* Set the thumb size and position of scroll bar BAR. We are currently | |
7816 | displaying PORTION out of a whole WHOLE, and our position POSITION. */ | |
7817 | ||
7818 | static void | |
7819 | w32_set_scroll_bar_thumb (bar, portion, position, whole) | |
7820 | struct scroll_bar *bar; | |
7821 | int portion, position, whole; | |
7822 | { | |
7823 | Window w = SCROLL_BAR_W32_WINDOW (bar); | |
d8e675f5 | 7824 | double range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)); |
791f420f JR |
7825 | int sb_page, sb_pos; |
7826 | BOOL draggingp = !NILP (bar->dragging) ? TRUE : FALSE; | |
7827 | ||
7828 | if (whole) | |
7829 | { | |
7830 | /* Position scroll bar at rock bottom if the bottom of the | |
7831 | buffer is visible. This avoids shinking the thumb away | |
7832 | to nothing if it is held at the bottom of the buffer. */ | |
7833 | if (position + portion >= whole) | |
7834 | { | |
7835 | sb_page = range * (whole - position) / whole | |
7836 | + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
7837 | sb_pos = range; | |
7838 | } | |
7839 | ||
7840 | sb_page = portion * range / whole + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
7841 | sb_pos = position * range / whole; | |
7842 | } | |
7843 | else | |
7844 | { | |
7845 | sb_page = range; | |
7846 | sb_pos = 0; | |
7847 | } | |
7848 | ||
7849 | BLOCK_INPUT; | |
7850 | ||
7851 | if (pfnSetScrollInfo) | |
7852 | { | |
7853 | SCROLLINFO si; | |
7854 | ||
7855 | si.cbSize = sizeof (si); | |
7856 | /* Only update page size if currently dragging, to reduce | |
7857 | flicker effects. */ | |
7858 | if (draggingp) | |
7859 | si.fMask = SIF_PAGE; | |
7860 | else | |
7861 | si.fMask = SIF_PAGE | SIF_POS; | |
7862 | si.nPage = sb_page; | |
7863 | si.nPos = sb_pos; | |
7864 | ||
7865 | pfnSetScrollInfo (w, SB_CTL, &si, !draggingp); | |
7866 | } | |
7867 | else | |
7868 | SetScrollPos (w, SB_CTL, sb_pos, !draggingp); | |
7869 | ||
7870 | UNBLOCK_INPUT; | |
7871 | } | |
7872 | ||
7873 | \f | |
7874 | /************************************************************************ | |
7875 | Scroll bars, general | |
7876 | ************************************************************************/ | |
7877 | ||
ee78dc32 GV |
7878 | HWND |
7879 | my_create_scrollbar (f, bar) | |
7880 | struct frame * f; | |
7881 | struct scroll_bar * bar; | |
7882 | { | |
689004fa GV |
7883 | return (HWND) SendMessage (FRAME_W32_WINDOW (f), |
7884 | WM_EMACS_CREATESCROLLBAR, (WPARAM) f, | |
7885 | (LPARAM) bar); | |
ee78dc32 GV |
7886 | } |
7887 | ||
ab76d376 | 7888 | /*#define ATTACH_THREADS*/ |
52cf03a1 | 7889 | |
689004fa GV |
7890 | BOOL |
7891 | my_show_window (FRAME_PTR f, HWND hwnd, int how) | |
52cf03a1 GV |
7892 | { |
7893 | #ifndef ATTACH_THREADS | |
689004fa GV |
7894 | return SendMessage (FRAME_W32_WINDOW (f), WM_EMACS_SHOWWINDOW, |
7895 | (WPARAM) hwnd, (LPARAM) how); | |
52cf03a1 | 7896 | #else |
689004fa | 7897 | return ShowWindow (hwnd, how); |
52cf03a1 GV |
7898 | #endif |
7899 | } | |
7900 | ||
7901 | void | |
7902 | my_set_window_pos (HWND hwnd, HWND hwndAfter, | |
689004fa | 7903 | int x, int y, int cx, int cy, UINT flags) |
52cf03a1 GV |
7904 | { |
7905 | #ifndef ATTACH_THREADS | |
689004fa GV |
7906 | WINDOWPOS pos; |
7907 | pos.hwndInsertAfter = hwndAfter; | |
52cf03a1 GV |
7908 | pos.x = x; |
7909 | pos.y = y; | |
7910 | pos.cx = cx; | |
7911 | pos.cy = cy; | |
7912 | pos.flags = flags; | |
7913 | SendMessage (hwnd, WM_EMACS_SETWINDOWPOS, (WPARAM) &pos, 0); | |
7914 | #else | |
7915 | SetWindowPos (hwnd, hwndAfter, x, y, cx, cy, flags); | |
7916 | #endif | |
7917 | } | |
7918 | ||
ec48c3a7 | 7919 | void |
689004fa GV |
7920 | my_set_focus (f, hwnd) |
7921 | struct frame * f; | |
7922 | HWND hwnd; | |
7923 | { | |
7924 | SendMessage (FRAME_W32_WINDOW (f), WM_EMACS_SETFOCUS, | |
7925 | (WPARAM) hwnd, 0); | |
7926 | } | |
7927 | ||
ec48c3a7 | 7928 | void |
ef0e360f GV |
7929 | my_set_foreground_window (hwnd) |
7930 | HWND hwnd; | |
7931 | { | |
7932 | SendMessage (hwnd, WM_EMACS_SETFOREGROUND, (WPARAM) hwnd, 0); | |
7933 | } | |
7934 | ||
ee78dc32 GV |
7935 | void |
7936 | my_destroy_window (f, hwnd) | |
7937 | struct frame * f; | |
7938 | HWND hwnd; | |
7939 | { | |
fbd6baed | 7940 | SendMessage (FRAME_W32_WINDOW (f), WM_EMACS_DESTROYWINDOW, |
ee78dc32 GV |
7941 | (WPARAM) hwnd, 0); |
7942 | } | |
7943 | ||
791f420f JR |
7944 | /* Create a scroll bar and return the scroll bar vector for it. W is |
7945 | the Emacs window on which to create the scroll bar. TOP, LEFT, | |
7946 | WIDTH and HEIGHT are.the pixel coordinates and dimensions of the | |
7947 | scroll bar. */ | |
7948 | ||
ee78dc32 | 7949 | static struct scroll_bar * |
791f420f JR |
7950 | x_scroll_bar_create (w, top, left, width, height) |
7951 | struct window *w; | |
ee78dc32 GV |
7952 | int top, left, width, height; |
7953 | { | |
791f420f JR |
7954 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
7955 | HWND hwnd; | |
ee78dc32 GV |
7956 | struct scroll_bar *bar |
7957 | = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE), Qnil)); | |
ee78dc32 GV |
7958 | |
7959 | BLOCK_INPUT; | |
7960 | ||
791f420f | 7961 | XSETWINDOW (bar->window, w); |
ee78dc32 GV |
7962 | XSETINT (bar->top, top); |
7963 | XSETINT (bar->left, left); | |
7964 | XSETINT (bar->width, width); | |
7965 | XSETINT (bar->height, height); | |
7966 | XSETINT (bar->start, 0); | |
7967 | XSETINT (bar->end, 0); | |
7968 | bar->dragging = Qnil; | |
7969 | ||
7970 | /* Requires geometry to be set before call to create the real window */ | |
7971 | ||
7972 | hwnd = my_create_scrollbar (f, bar); | |
7973 | ||
689004fa GV |
7974 | if (pfnSetScrollInfo) |
7975 | { | |
7976 | SCROLLINFO si; | |
7977 | ||
7978 | si.cbSize = sizeof (si); | |
7979 | si.fMask = SIF_ALL; | |
7980 | si.nMin = 0; | |
791f420f JR |
7981 | si.nMax = VERTICAL_SCROLL_BAR_TOP_RANGE (f, height) |
7982 | + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
689004fa GV |
7983 | si.nPage = si.nMax; |
7984 | si.nPos = 0; | |
7985 | ||
7986 | pfnSetScrollInfo (hwnd, SB_CTL, &si, FALSE); | |
7987 | } | |
7988 | else | |
7989 | { | |
791f420f JR |
7990 | SetScrollRange (hwnd, SB_CTL, 0, |
7991 | VERTICAL_SCROLL_BAR_TOP_RANGE (f, height), FALSE); | |
689004fa GV |
7992 | SetScrollPos (hwnd, SB_CTL, 0, FALSE); |
7993 | } | |
ee78dc32 | 7994 | |
fbd6baed | 7995 | SET_SCROLL_BAR_W32_WINDOW (bar, hwnd); |
ee78dc32 GV |
7996 | |
7997 | /* Add bar to its frame's list of scroll bars. */ | |
7998 | bar->next = FRAME_SCROLL_BARS (f); | |
7999 | bar->prev = Qnil; | |
8000 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); | |
8001 | if (! NILP (bar->next)) | |
8002 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); | |
8003 | ||
8004 | UNBLOCK_INPUT; | |
8005 | ||
8006 | return bar; | |
8007 | } | |
8008 | ||
ee78dc32 | 8009 | |
791f420f JR |
8010 | /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to |
8011 | nil. */ | |
ee78dc32 | 8012 | |
ee78dc32 GV |
8013 | static void |
8014 | x_scroll_bar_remove (bar) | |
8015 | struct scroll_bar *bar; | |
8016 | { | |
8017 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); | |
8018 | ||
8019 | BLOCK_INPUT; | |
8020 | ||
8021 | /* Destroy the window. */ | |
fbd6baed | 8022 | my_destroy_window (f, SCROLL_BAR_W32_WINDOW (bar)); |
ee78dc32 GV |
8023 | |
8024 | /* Disassociate this scroll bar from its window. */ | |
8025 | XWINDOW (bar->window)->vertical_scroll_bar = Qnil; | |
8026 | ||
8027 | UNBLOCK_INPUT; | |
8028 | } | |
8029 | ||
8030 | /* Set the handle of the vertical scroll bar for WINDOW to indicate | |
8031 | that we are displaying PORTION characters out of a total of WHOLE | |
8032 | characters, starting at POSITION. If WINDOW has no scroll bar, | |
8033 | create one. */ | |
8034 | static void | |
791f420f JR |
8035 | w32_set_vertical_scroll_bar (w, portion, whole, position) |
8036 | struct window *w; | |
ee78dc32 GV |
8037 | int portion, whole, position; |
8038 | { | |
791f420f | 8039 | struct frame *f = XFRAME (w->frame); |
ee78dc32 | 8040 | struct scroll_bar *bar; |
9ef2e2cf | 8041 | int top, height, left, sb_left, width, sb_width; |
791f420f JR |
8042 | int window_x, window_y, window_width, window_height; |
8043 | ||
8044 | /* Get window dimensions. */ | |
8045 | window_box (w, -1, &window_x, &window_y, &window_width, &window_height); | |
8046 | top = window_y; | |
8047 | width = FRAME_SCROLL_BAR_COLS (f) * CANON_X_UNIT (f); | |
8048 | height = window_height; | |
8049 | ||
8050 | /* Compute the left edge of the scroll bar area. */ | |
8051 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) | |
8052 | left = XINT (w->left) + XINT (w->width) - FRAME_SCROLL_BAR_COLS (f); | |
8053 | else | |
8054 | left = XFASTINT (w->left); | |
8055 | left *= CANON_X_UNIT (f); | |
8056 | left += FRAME_INTERNAL_BORDER_WIDTH (f); | |
8057 | ||
8058 | /* Compute the width of the scroll bar which might be less than | |
8059 | the width of the area reserved for the scroll bar. */ | |
8060 | if (FRAME_SCROLL_BAR_PIXEL_WIDTH (f) > 0) | |
8061 | sb_width = FRAME_SCROLL_BAR_PIXEL_WIDTH (f); | |
8062 | else | |
8063 | sb_width = width; | |
ee78dc32 | 8064 | |
791f420f JR |
8065 | /* Compute the left edge of the scroll bar. */ |
8066 | if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f)) | |
8067 | sb_left = left + width - sb_width - (width - sb_width) / 2; | |
ee78dc32 | 8068 | else |
791f420f JR |
8069 | sb_left = left + (width - sb_width) / 2; |
8070 | ||
8071 | /* Does the scroll bar exist yet? */ | |
8072 | if (NILP (w->vertical_scroll_bar)) | |
ee78dc32 | 8073 | { |
00fe468b | 8074 | HDC hdc; |
791f420f | 8075 | BLOCK_INPUT; |
6ff3e5e3 | 8076 | if (width > 0 && height > 0) |
9f5a911b JR |
8077 | { |
8078 | hdc = get_frame_dc (f); | |
8079 | w32_clear_area (f, hdc, left, top, width, height); | |
8080 | release_frame_dc (f, hdc); | |
8081 | } | |
791f420f | 8082 | UNBLOCK_INPUT; |
00fe468b | 8083 | |
791f420f | 8084 | bar = x_scroll_bar_create (w, top, sb_left, sb_width, height); |
ee78dc32 | 8085 | } |
791f420f JR |
8086 | else |
8087 | { | |
8088 | /* It may just need to be moved and resized. */ | |
8089 | HWND hwnd; | |
8090 | ||
8091 | bar = XSCROLL_BAR (w->vertical_scroll_bar); | |
8092 | hwnd = SCROLL_BAR_W32_WINDOW (bar); | |
8093 | ||
8094 | /* If already correctly positioned, do nothing. */ | |
8095 | if ( XINT (bar->left) == sb_left | |
8096 | && XINT (bar->top) == top | |
8097 | && XINT (bar->width) == sb_width | |
8098 | && XINT (bar->height) == height ) | |
8099 | { | |
8100 | /* Redraw after clear_frame. */ | |
8101 | if (!my_show_window (f, hwnd, SW_NORMAL)) | |
8102 | InvalidateRect (hwnd, NULL, FALSE); | |
8103 | } | |
8104 | else | |
8105 | { | |
00fe468b | 8106 | HDC hdc; |
791f420f | 8107 | BLOCK_INPUT; |
9f5a911b JR |
8108 | if (width && height) |
8109 | { | |
8110 | hdc = get_frame_dc (f); | |
8111 | /* Since Windows scroll bars are smaller than the space reserved | |
8112 | for them on the frame, we have to clear "under" them. */ | |
8113 | w32_clear_area (f, hdc, | |
8114 | left, | |
8115 | top, | |
8116 | width, | |
8117 | height); | |
8118 | release_frame_dc (f, hdc); | |
8119 | } | |
791f420f JR |
8120 | /* Make sure scroll bar is "visible" before moving, to ensure the |
8121 | area of the parent window now exposed will be refreshed. */ | |
8122 | my_show_window (f, hwnd, SW_HIDE); | |
9f5a911b JR |
8123 | MoveWindow (hwnd, sb_left + VERTICAL_SCROLL_BAR_WIDTH_TRIM, |
8124 | top, sb_width - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2, | |
8125 | max (height, 1), TRUE); | |
791f420f JR |
8126 | if (pfnSetScrollInfo) |
8127 | { | |
8128 | SCROLLINFO si; | |
ee78dc32 | 8129 | |
791f420f JR |
8130 | si.cbSize = sizeof (si); |
8131 | si.fMask = SIF_RANGE; | |
8132 | si.nMin = 0; | |
8133 | si.nMax = VERTICAL_SCROLL_BAR_TOP_RANGE (f, height) | |
8134 | + VERTICAL_SCROLL_BAR_MIN_HANDLE; | |
ee78dc32 | 8135 | |
00fe468b | 8136 | pfnSetScrollInfo (hwnd, SB_CTL, &si, FALSE); |
791f420f JR |
8137 | } |
8138 | else | |
00fe468b | 8139 | SetScrollRange (hwnd, SB_CTL, 0, |
791f420f JR |
8140 | VERTICAL_SCROLL_BAR_TOP_RANGE (f, height), FALSE); |
8141 | my_show_window (f, hwnd, SW_NORMAL); | |
ab76d376 | 8142 | /* InvalidateRect (w, NULL, FALSE); */ |
791f420f JR |
8143 | |
8144 | /* Remember new settings. */ | |
8145 | XSETINT (bar->left, sb_left); | |
8146 | XSETINT (bar->top, top); | |
8147 | XSETINT (bar->width, sb_width); | |
8148 | XSETINT (bar->height, height); | |
8149 | ||
8150 | UNBLOCK_INPUT; | |
8151 | } | |
8152 | } | |
8153 | w32_set_scroll_bar_thumb (bar, portion, position, whole); | |
ee78dc32 | 8154 | |
791f420f | 8155 | XSETVECTOR (w->vertical_scroll_bar, bar); |
ee78dc32 GV |
8156 | } |
8157 | ||
8158 | ||
8159 | /* The following three hooks are used when we're doing a thorough | |
8160 | redisplay of the frame. We don't explicitly know which scroll bars | |
8161 | are going to be deleted, because keeping track of when windows go | |
8162 | away is a real pain - "Can you say set-window-configuration, boys | |
8163 | and girls?" Instead, we just assert at the beginning of redisplay | |
8164 | that *all* scroll bars are to be removed, and then save a scroll bar | |
8165 | from the fiery pit when we actually redisplay its window. */ | |
8166 | ||
8167 | /* Arrange for all scroll bars on FRAME to be removed at the next call | |
8168 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
9ef2e2cf JR |
8169 | `*redeem_scroll_bar_hook' is applied to its window before the judgment. */ |
8170 | ||
ee78dc32 | 8171 | static void |
fbd6baed | 8172 | w32_condemn_scroll_bars (frame) |
ee78dc32 GV |
8173 | FRAME_PTR frame; |
8174 | { | |
ef0e360f GV |
8175 | /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */ |
8176 | while (! NILP (FRAME_SCROLL_BARS (frame))) | |
8177 | { | |
8178 | Lisp_Object bar; | |
8179 | bar = FRAME_SCROLL_BARS (frame); | |
8180 | FRAME_SCROLL_BARS (frame) = XSCROLL_BAR (bar)->next; | |
8181 | XSCROLL_BAR (bar)->next = FRAME_CONDEMNED_SCROLL_BARS (frame); | |
8182 | XSCROLL_BAR (bar)->prev = Qnil; | |
8183 | if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame))) | |
8184 | XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame))->prev = bar; | |
8185 | FRAME_CONDEMNED_SCROLL_BARS (frame) = bar; | |
8186 | } | |
ee78dc32 GV |
8187 | } |
8188 | ||
c2cc16fa | 8189 | |
9ef2e2cf | 8190 | /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle. |
ee78dc32 | 8191 | Note that WINDOW isn't necessarily condemned at all. */ |
c2cc16fa | 8192 | |
ee78dc32 | 8193 | static void |
fbd6baed | 8194 | w32_redeem_scroll_bar (window) |
ee78dc32 GV |
8195 | struct window *window; |
8196 | { | |
8197 | struct scroll_bar *bar; | |
c2cc16fa | 8198 | struct frame *f; |
ee78dc32 GV |
8199 | |
8200 | /* We can't redeem this window's scroll bar if it doesn't have one. */ | |
8201 | if (NILP (window->vertical_scroll_bar)) | |
8202 | abort (); | |
8203 | ||
8204 | bar = XSCROLL_BAR (window->vertical_scroll_bar); | |
8205 | ||
ef0e360f | 8206 | /* Unlink it from the condemned list. */ |
c2cc16fa JR |
8207 | f = XFRAME (WINDOW_FRAME (window)); |
8208 | if (NILP (bar->prev)) | |
8209 | { | |
8210 | /* If the prev pointer is nil, it must be the first in one of | |
8211 | the lists. */ | |
8212 | if (EQ (FRAME_SCROLL_BARS (f), window->vertical_scroll_bar)) | |
8213 | /* It's not condemned. Everything's fine. */ | |
8214 | return; | |
8215 | else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f), | |
8216 | window->vertical_scroll_bar)) | |
8217 | FRAME_CONDEMNED_SCROLL_BARS (f) = bar->next; | |
8218 | else | |
8219 | /* If its prev pointer is nil, it must be at the front of | |
8220 | one or the other! */ | |
8221 | abort (); | |
8222 | } | |
8223 | else | |
8224 | XSCROLL_BAR (bar->prev)->next = bar->next; | |
ef0e360f | 8225 | |
c2cc16fa JR |
8226 | if (! NILP (bar->next)) |
8227 | XSCROLL_BAR (bar->next)->prev = bar->prev; | |
ef0e360f | 8228 | |
c2cc16fa JR |
8229 | bar->next = FRAME_SCROLL_BARS (f); |
8230 | bar->prev = Qnil; | |
8231 | XSETVECTOR (FRAME_SCROLL_BARS (f), bar); | |
8232 | if (! NILP (bar->next)) | |
8233 | XSETVECTOR (XSCROLL_BAR (bar->next)->prev, bar); | |
ee78dc32 GV |
8234 | } |
8235 | ||
8236 | /* Remove all scroll bars on FRAME that haven't been saved since the | |
8237 | last call to `*condemn_scroll_bars_hook'. */ | |
9ef2e2cf | 8238 | |
ee78dc32 | 8239 | static void |
fbd6baed | 8240 | w32_judge_scroll_bars (f) |
ee78dc32 GV |
8241 | FRAME_PTR f; |
8242 | { | |
8243 | Lisp_Object bar, next; | |
8244 | ||
8245 | bar = FRAME_CONDEMNED_SCROLL_BARS (f); | |
8246 | ||
8247 | /* Clear out the condemned list now so we won't try to process any | |
8248 | more events on the hapless scroll bars. */ | |
8249 | FRAME_CONDEMNED_SCROLL_BARS (f) = Qnil; | |
8250 | ||
8251 | for (; ! NILP (bar); bar = next) | |
8252 | { | |
8253 | struct scroll_bar *b = XSCROLL_BAR (bar); | |
8254 | ||
8255 | x_scroll_bar_remove (b); | |
8256 | ||
8257 | next = b->next; | |
8258 | b->next = b->prev = Qnil; | |
8259 | } | |
8260 | ||
8261 | /* Now there should be no references to the condemned scroll bars, | |
8262 | and they should get garbage-collected. */ | |
8263 | } | |
8264 | ||
8265 | /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind | |
8266 | is set to something other than no_event, it is enqueued. | |
8267 | ||
8268 | This may be called from a signal handler, so we have to ignore GC | |
8269 | mark bits. */ | |
2c28562d | 8270 | |
52cf03a1 | 8271 | static int |
c2cc16fa | 8272 | w32_scroll_bar_handle_click (bar, msg, emacs_event) |
ee78dc32 | 8273 | struct scroll_bar *bar; |
fbd6baed | 8274 | W32Msg *msg; |
ee78dc32 GV |
8275 | struct input_event *emacs_event; |
8276 | { | |
8277 | if (! GC_WINDOWP (bar->window)) | |
8278 | abort (); | |
8279 | ||
fbd6baed | 8280 | emacs_event->kind = w32_scroll_bar_click; |
ee78dc32 | 8281 | emacs_event->code = 0; |
52cf03a1 GV |
8282 | /* not really meaningful to distinguish up/down */ |
8283 | emacs_event->modifiers = msg->dwModifiers; | |
ee78dc32 | 8284 | emacs_event->frame_or_window = bar->window; |
7e889510 | 8285 | emacs_event->arg = Qnil; |
ee78dc32 GV |
8286 | emacs_event->timestamp = msg->msg.time; |
8287 | ||
8288 | { | |
791f420f | 8289 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)); |
689004fa GV |
8290 | int y; |
8291 | int dragging = !NILP (bar->dragging); | |
8292 | ||
8293 | if (pfnGetScrollInfo) | |
8294 | { | |
8295 | SCROLLINFO si; | |
8296 | ||
8297 | si.cbSize = sizeof (si); | |
8298 | si.fMask = SIF_POS; | |
8299 | ||
8300 | pfnGetScrollInfo ((HWND) msg->msg.lParam, SB_CTL, &si); | |
8301 | y = si.nPos; | |
8302 | } | |
8303 | else | |
8304 | y = GetScrollPos ((HWND) msg->msg.lParam, SB_CTL); | |
8305 | ||
8306 | bar->dragging = Qnil; | |
ee78dc32 | 8307 | |
9ef2e2cf JR |
8308 | |
8309 | last_mouse_scroll_bar_pos = msg->msg.wParam; | |
8310 | ||
ee78dc32 | 8311 | switch (LOWORD (msg->msg.wParam)) |
2c28562d | 8312 | { |
2c28562d | 8313 | case SB_LINEDOWN: |
52cf03a1 | 8314 | emacs_event->part = scroll_bar_down_arrow; |
ee78dc32 | 8315 | break; |
2c28562d | 8316 | case SB_LINEUP: |
52cf03a1 | 8317 | emacs_event->part = scroll_bar_up_arrow; |
ee78dc32 | 8318 | break; |
2c28562d | 8319 | case SB_PAGEUP: |
ee78dc32 GV |
8320 | emacs_event->part = scroll_bar_above_handle; |
8321 | break; | |
2c28562d | 8322 | case SB_PAGEDOWN: |
ee78dc32 GV |
8323 | emacs_event->part = scroll_bar_below_handle; |
8324 | break; | |
2c28562d | 8325 | case SB_TOP: |
ee78dc32 GV |
8326 | emacs_event->part = scroll_bar_handle; |
8327 | y = 0; | |
8328 | break; | |
2c28562d | 8329 | case SB_BOTTOM: |
ee78dc32 GV |
8330 | emacs_event->part = scroll_bar_handle; |
8331 | y = top_range; | |
8332 | break; | |
689004fa | 8333 | case SB_THUMBTRACK: |
2c28562d | 8334 | case SB_THUMBPOSITION: |
791f420f JR |
8335 | if (VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)) <= 0xffff) |
8336 | y = HIWORD (msg->msg.wParam); | |
689004fa | 8337 | bar->dragging = Qt; |
ee78dc32 | 8338 | emacs_event->part = scroll_bar_handle; |
689004fa GV |
8339 | |
8340 | /* "Silently" update current position. */ | |
8341 | if (pfnSetScrollInfo) | |
8342 | { | |
8343 | SCROLLINFO si; | |
8344 | ||
8345 | si.cbSize = sizeof (si); | |
8346 | si.fMask = SIF_POS; | |
689004fa GV |
8347 | si.nPos = y; |
8348 | /* Remember apparent position (we actually lag behind the real | |
8349 | position, so don't set that directly. */ | |
8350 | last_scroll_bar_drag_pos = y; | |
8351 | ||
8352 | pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, &si, FALSE); | |
8353 | } | |
8354 | else | |
8355 | SetScrollPos (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, y, FALSE); | |
ee78dc32 | 8356 | break; |
2c28562d | 8357 | case SB_ENDSCROLL: |
689004fa GV |
8358 | /* If this is the end of a drag sequence, then reset the scroll |
8359 | handle size to normal and do a final redraw. Otherwise do | |
8360 | nothing. */ | |
8361 | if (dragging) | |
8362 | { | |
8363 | if (pfnSetScrollInfo) | |
8364 | { | |
8365 | SCROLLINFO si; | |
8366 | int start = XINT (bar->start); | |
8367 | int end = XINT (bar->end); | |
8368 | ||
8369 | si.cbSize = sizeof (si); | |
8370 | si.fMask = SIF_PAGE | SIF_POS; | |
791f420f | 8371 | si.nPage = end - start + VERTICAL_SCROLL_BAR_MIN_HANDLE; |
689004fa | 8372 | si.nPos = last_scroll_bar_drag_pos; |
689004fa GV |
8373 | pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, &si, TRUE); |
8374 | } | |
8375 | else | |
8376 | SetScrollPos (SCROLL_BAR_W32_WINDOW (bar), SB_CTL, y, TRUE); | |
8377 | } | |
8378 | /* fall through */ | |
2c28562d | 8379 | default: |
689004fa | 8380 | emacs_event->kind = no_event; |
52cf03a1 | 8381 | return FALSE; |
2c28562d | 8382 | } |
52cf03a1 | 8383 | |
ee78dc32 GV |
8384 | XSETINT (emacs_event->x, y); |
8385 | XSETINT (emacs_event->y, top_range); | |
52cf03a1 GV |
8386 | |
8387 | return TRUE; | |
ee78dc32 GV |
8388 | } |
8389 | } | |
8390 | ||
8391 | /* Return information to the user about the current position of the mouse | |
8392 | on the scroll bar. */ | |
9ef2e2cf | 8393 | |
ee78dc32 GV |
8394 | static void |
8395 | x_scroll_bar_report_motion (fp, bar_window, part, x, y, time) | |
8396 | FRAME_PTR *fp; | |
8397 | Lisp_Object *bar_window; | |
8398 | enum scroll_bar_part *part; | |
8399 | Lisp_Object *x, *y; | |
8400 | unsigned long *time; | |
8401 | { | |
8402 | struct scroll_bar *bar = XSCROLL_BAR (last_mouse_scroll_bar); | |
fbd6baed | 8403 | Window w = SCROLL_BAR_W32_WINDOW (bar); |
ee78dc32 GV |
8404 | FRAME_PTR f = XFRAME (WINDOW_FRAME (XWINDOW (bar->window))); |
8405 | int pos; | |
791f420f | 8406 | int top_range = VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)); |
ee78dc32 GV |
8407 | |
8408 | BLOCK_INPUT; | |
8409 | ||
8410 | *fp = f; | |
8411 | *bar_window = bar->window; | |
8412 | ||
689004fa GV |
8413 | if (pfnGetScrollInfo) |
8414 | { | |
8415 | SCROLLINFO si; | |
8416 | ||
8417 | si.cbSize = sizeof (si); | |
8418 | si.fMask = SIF_POS | SIF_PAGE | SIF_RANGE; | |
8419 | ||
8420 | pfnGetScrollInfo (w, SB_CTL, &si); | |
8421 | pos = si.nPos; | |
8422 | top_range = si.nMax - si.nPage + 1; | |
8423 | } | |
8424 | else | |
8425 | pos = GetScrollPos (w, SB_CTL); | |
ee78dc32 GV |
8426 | |
8427 | switch (LOWORD (last_mouse_scroll_bar_pos)) | |
8428 | { | |
8429 | case SB_THUMBPOSITION: | |
8430 | case SB_THUMBTRACK: | |
8431 | *part = scroll_bar_handle; | |
791f420f | 8432 | if (VERTICAL_SCROLL_BAR_TOP_RANGE (f, XINT (bar->height)) <= 0xffff) |
ee78dc32 GV |
8433 | pos = HIWORD (last_mouse_scroll_bar_pos); |
8434 | break; | |
8435 | case SB_LINEDOWN: | |
8436 | *part = scroll_bar_handle; | |
8437 | pos++; | |
8438 | break; | |
8439 | default: | |
8440 | *part = scroll_bar_handle; | |
8441 | break; | |
8442 | } | |
8443 | ||
9127e20e JR |
8444 | XSETINT (*x, pos); |
8445 | XSETINT (*y, top_range); | |
ee78dc32 GV |
8446 | |
8447 | f->mouse_moved = 0; | |
8448 | last_mouse_scroll_bar = Qnil; | |
8449 | ||
8450 | *time = last_mouse_movement_time; | |
8451 | ||
8452 | UNBLOCK_INPUT; | |
8453 | } | |
8454 | ||
9ef2e2cf | 8455 | |
ee78dc32 GV |
8456 | /* The screen has been cleared so we may have changed foreground or |
8457 | background colors, and the scroll bars may need to be redrawn. | |
8458 | Clear out the scroll bars, and ask for expose events, so we can | |
8459 | redraw them. */ | |
9ef2e2cf | 8460 | |
791f420f | 8461 | void |
ee78dc32 | 8462 | x_scroll_bar_clear (f) |
9ef2e2cf | 8463 | FRAME_PTR f; |
ee78dc32 | 8464 | { |
ee78dc32 GV |
8465 | Lisp_Object bar; |
8466 | ||
9ef2e2cf JR |
8467 | /* We can have scroll bars even if this is 0, |
8468 | if we just turned off scroll bar mode. | |
8469 | But in that case we should not clear them. */ | |
8470 | if (FRAME_HAS_VERTICAL_SCROLL_BARS (f)) | |
8471 | for (bar = FRAME_SCROLL_BARS (f); VECTORP (bar); | |
8472 | bar = XSCROLL_BAR (bar)->next) | |
8473 | { | |
8474 | HWND window = SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar)); | |
8475 | HDC hdc = GetDC (window); | |
8476 | RECT rect; | |
52cf03a1 | 8477 | |
9ef2e2cf JR |
8478 | /* Hide scroll bar until ready to repaint. x_scroll_bar_move |
8479 | arranges to refresh the scroll bar if hidden. */ | |
8480 | my_show_window (f, window, SW_HIDE); | |
689004fa | 8481 | |
9ef2e2cf JR |
8482 | GetClientRect (window, &rect); |
8483 | select_palette (f, hdc); | |
8484 | w32_clear_rect (f, hdc, &rect); | |
8485 | deselect_palette (f, hdc); | |
689004fa | 8486 | |
9ef2e2cf JR |
8487 | ReleaseDC (window, hdc); |
8488 | } | |
52cf03a1 GV |
8489 | } |
8490 | ||
ee78dc32 | 8491 | \f |
fbd6baed | 8492 | /* The main W32 event-reading loop - w32_read_socket. */ |
ee78dc32 | 8493 | |
9ef2e2cf | 8494 | /* Time stamp of enter window event. This is only used by w32_read_socket, |
ee78dc32 GV |
8495 | but we have to put it out here, since static variables within functions |
8496 | sometimes don't work. */ | |
9ef2e2cf | 8497 | |
ee78dc32 GV |
8498 | static Time enter_timestamp; |
8499 | ||
8500 | /* Record the last 100 characters stored | |
8501 | to help debug the loss-of-chars-during-GC problem. */ | |
9ef2e2cf JR |
8502 | |
8503 | static int temp_index; | |
8504 | static short temp_buffer[100]; | |
ee78dc32 | 8505 | |
afd153f0 | 8506 | |
fbd6baed | 8507 | /* Read events coming from the W32 shell. |
ee78dc32 GV |
8508 | This routine is called by the SIGIO handler. |
8509 | We return as soon as there are no more events to be read. | |
8510 | ||
8511 | Events representing keys are stored in buffer BUFP, | |
8512 | which can hold up to NUMCHARS characters. | |
8513 | We return the number of characters stored into the buffer, | |
8514 | thus pretending to be `read'. | |
8515 | ||
ee78dc32 GV |
8516 | EXPECTED is nonzero if the caller knows input is available. |
8517 | ||
8518 | Some of these messages are reposted back to the message queue since the | |
e9e23e23 GV |
8519 | system calls the windows proc directly in a context where we cannot return |
8520 | the data nor can we guarantee the state we are in. So if we dispatch them | |
ee78dc32 GV |
8521 | we will get into an infinite loop. To prevent this from ever happening we |
8522 | will set a variable to indicate we are in the read_socket call and indicate | |
e9e23e23 GV |
8523 | which message we are processing since the windows proc gets called |
8524 | recursively with different messages by the system. | |
ee78dc32 GV |
8525 | */ |
8526 | ||
8527 | int | |
3aad7613 | 8528 | w32_read_socket (sd, bufp, numchars, expected) |
ee78dc32 | 8529 | register int sd; |
9ef2e2cf JR |
8530 | /* register */ struct input_event *bufp; |
8531 | /* register */ int numchars; | |
ee78dc32 GV |
8532 | int expected; |
8533 | { | |
8534 | int count = 0; | |
689004fa | 8535 | int check_visibility = 0; |
fbd6baed | 8536 | W32Msg msg; |
ee78dc32 | 8537 | struct frame *f; |
fbd6baed | 8538 | struct w32_display_info *dpyinfo = &one_w32_display_info; |
ee78dc32 GV |
8539 | |
8540 | if (interrupt_input_blocked) | |
8541 | { | |
8542 | interrupt_input_pending = 1; | |
8543 | return -1; | |
8544 | } | |
8545 | ||
8546 | interrupt_input_pending = 0; | |
8547 | BLOCK_INPUT; | |
8548 | ||
8549 | /* So people can tell when we have read the available input. */ | |
8550 | input_signal_count++; | |
8551 | ||
8552 | if (numchars <= 0) | |
8553 | abort (); /* Don't think this happens. */ | |
8554 | ||
b71b8111 | 8555 | /* TODO: tool-bars, ghostscript integration, mouse |
791f420f | 8556 | cursors. */ |
52cf03a1 | 8557 | while (get_next_msg (&msg, FALSE)) |
ee78dc32 GV |
8558 | { |
8559 | switch (msg.msg.message) | |
8560 | { | |
ee78dc32 | 8561 | case WM_PAINT: |
9f5a911b | 8562 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); |
ee78dc32 | 8563 | |
9f5a911b JR |
8564 | if (f) |
8565 | { | |
8566 | if (msg.rect.right == msg.rect.left || | |
8567 | msg.rect.bottom == msg.rect.top) | |
8568 | { | |
8569 | /* We may get paint messages even though the client | |
8570 | area is clipped - these are not expose events. */ | |
8571 | DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f, | |
8572 | XSTRING (f->name)->data)); | |
8573 | } | |
8574 | else if (f->async_visible != 1) | |
8575 | { | |
8576 | /* Definitely not obscured, so mark as visible. */ | |
8577 | f->async_visible = 1; | |
8578 | f->async_iconified = 0; | |
8579 | SET_FRAME_GARBAGED (f); | |
8580 | DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f, | |
8581 | XSTRING (f->name)->data)); | |
8582 | ||
8583 | /* WM_PAINT serves as MapNotify as well, so report | |
8584 | visibility changes properly. */ | |
8585 | if (f->iconified) | |
8586 | { | |
8587 | bufp->kind = deiconify_event; | |
8588 | XSETFRAME (bufp->frame_or_window, f); | |
8589 | bufp->arg = Qnil; | |
8590 | bufp++; | |
8591 | count++; | |
8592 | numchars--; | |
8593 | } | |
8594 | else if (! NILP (Vframe_list) | |
8595 | && ! NILP (XCDR (Vframe_list))) | |
8596 | /* Force a redisplay sooner or later to update the | |
8597 | frame titles in case this is the second frame. */ | |
8598 | record_asynch_buffer_change (); | |
8599 | } | |
8600 | else | |
8601 | { | |
8602 | HDC hdc = get_frame_dc (f); | |
8603 | ||
8604 | /* Erase background again for safety. */ | |
8605 | w32_clear_rect (f, hdc, &msg.rect); | |
8606 | release_frame_dc (f, hdc); | |
8607 | expose_frame (f, | |
8608 | msg.rect.left, | |
8609 | msg.rect.top, | |
8610 | msg.rect.right - msg.rect.left, | |
8611 | msg.rect.bottom - msg.rect.top); | |
8612 | } | |
8613 | } | |
52cf03a1 | 8614 | break; |
689004fa | 8615 | |
f98169a0 GV |
8616 | case WM_INPUTLANGCHANGE: |
8617 | /* Generate a language change event. */ | |
8618 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
8619 | ||
8620 | if (f) | |
8621 | { | |
8622 | if (numchars == 0) | |
8623 | abort (); | |
8624 | ||
8625 | bufp->kind = language_change_event; | |
8626 | XSETFRAME (bufp->frame_or_window, f); | |
7e889510 | 8627 | bufp->arg = Qnil; |
f98169a0 GV |
8628 | bufp->code = msg.msg.wParam; |
8629 | bufp->modifiers = msg.msg.lParam & 0xffff; | |
8630 | bufp++; | |
8631 | count++; | |
8632 | numchars--; | |
8633 | } | |
8634 | break; | |
8635 | ||
ee78dc32 GV |
8636 | case WM_KEYDOWN: |
8637 | case WM_SYSKEYDOWN: | |
8638 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
8639 | ||
8640 | if (f && !f->iconified) | |
8641 | { | |
3d26a7c2 KS |
8642 | if (!dpyinfo->mouse_face_hidden && INTEGERP (Vmouse_highlight)) |
8643 | { | |
8644 | dpyinfo->mouse_face_hidden = 1; | |
8645 | clear_mouse_face (dpyinfo); | |
8646 | } | |
8647 | ||
ee78dc32 GV |
8648 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
8649 | temp_index = 0; | |
8650 | temp_buffer[temp_index++] = msg.msg.wParam; | |
8651 | bufp->kind = non_ascii_keystroke; | |
8652 | bufp->code = msg.msg.wParam; | |
f98169a0 | 8653 | bufp->modifiers = msg.dwModifiers; |
ee78dc32 | 8654 | XSETFRAME (bufp->frame_or_window, f); |
7e889510 | 8655 | bufp->arg = Qnil; |
ee78dc32 GV |
8656 | bufp->timestamp = msg.msg.time; |
8657 | bufp++; | |
8658 | numchars--; | |
8659 | count++; | |
8660 | } | |
8661 | break; | |
689004fa | 8662 | |
ee78dc32 GV |
8663 | case WM_SYSCHAR: |
8664 | case WM_CHAR: | |
8665 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
8666 | ||
8667 | if (f && !f->iconified) | |
8668 | { | |
3d26a7c2 KS |
8669 | if (!dpyinfo->mouse_face_hidden && INTEGERP (Vmouse_highlight)) |
8670 | { | |
8671 | dpyinfo->mouse_face_hidden = 1; | |
8672 | clear_mouse_face (dpyinfo); | |
8673 | } | |
8674 | ||
f98169a0 GV |
8675 | if (temp_index == sizeof temp_buffer / sizeof (short)) |
8676 | temp_index = 0; | |
8677 | temp_buffer[temp_index++] = msg.msg.wParam; | |
8678 | bufp->kind = ascii_keystroke; | |
8679 | bufp->code = msg.msg.wParam; | |
8680 | bufp->modifiers = msg.dwModifiers; | |
8681 | XSETFRAME (bufp->frame_or_window, f); | |
7e889510 | 8682 | bufp->arg = Qnil; |
f98169a0 GV |
8683 | bufp->timestamp = msg.msg.time; |
8684 | bufp++; | |
8685 | numchars--; | |
8686 | count++; | |
ee78dc32 GV |
8687 | } |
8688 | break; | |
689004fa | 8689 | |
ee78dc32 | 8690 | case WM_MOUSEMOVE: |
791f420f | 8691 | previous_help_echo = help_echo; |
9f5a911b | 8692 | help_echo_object = help_echo_window = Qnil; |
158cba56 | 8693 | help_echo_pos = -1; |
791f420f | 8694 | |
ee78dc32 GV |
8695 | if (dpyinfo->grabbed && last_mouse_frame |
8696 | && FRAME_LIVE_P (last_mouse_frame)) | |
8697 | f = last_mouse_frame; | |
8698 | else | |
8699 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
8700 | ||
3d26a7c2 KS |
8701 | if (dpyinfo->mouse_face_hidden) |
8702 | { | |
8703 | dpyinfo->mouse_face_hidden = 0; | |
8704 | clear_mouse_face (dpyinfo); | |
8705 | } | |
8706 | ||
ee78dc32 GV |
8707 | if (f) |
8708 | note_mouse_movement (f, &msg.msg); | |
8709 | else | |
791f420f JR |
8710 | { |
8711 | /* If we move outside the frame, then we're | |
8712 | certainly no longer on any text in the frame. */ | |
5b844253 | 8713 | clear_mouse_face (dpyinfo); |
791f420f JR |
8714 | } |
8715 | ||
8716 | /* If the contents of the global variable help_echo | |
8717 | has changed, generate a HELP_EVENT. */ | |
9f5a911b | 8718 | if (help_echo != previous_help_echo) |
791f420f JR |
8719 | { |
8720 | Lisp_Object frame; | |
ec48c3a7 | 8721 | int n; |
791f420f JR |
8722 | |
8723 | if (f) | |
8724 | XSETFRAME (frame, f); | |
8725 | else | |
8726 | frame = Qnil; | |
8727 | ||
8728 | any_help_event_p = 1; | |
b4165314 GM |
8729 | n = gen_help_event (bufp, numchars, help_echo, frame, |
8730 | help_echo_window, help_echo_object, | |
8731 | help_echo_pos); | |
ec48c3a7 | 8732 | bufp += n, count += n, numchars -= n; |
791f420f JR |
8733 | } |
8734 | break; | |
689004fa | 8735 | |
ee78dc32 GV |
8736 | case WM_LBUTTONDOWN: |
8737 | case WM_LBUTTONUP: | |
8738 | case WM_MBUTTONDOWN: | |
8739 | case WM_MBUTTONUP: | |
8740 | case WM_RBUTTONDOWN: | |
8741 | case WM_RBUTTONUP: | |
53823ab9 JR |
8742 | case WM_XBUTTONDOWN: |
8743 | case WM_XBUTTONUP: | |
ee78dc32 | 8744 | { |
791f420f JR |
8745 | /* If we decide we want to generate an event to be seen |
8746 | by the rest of Emacs, we put it here. */ | |
8747 | struct input_event emacs_event; | |
8748 | int tool_bar_p = 0; | |
ee78dc32 GV |
8749 | int button; |
8750 | int up; | |
791f420f JR |
8751 | |
8752 | emacs_event.kind = no_event; | |
ee78dc32 GV |
8753 | |
8754 | if (dpyinfo->grabbed && last_mouse_frame | |
8755 | && FRAME_LIVE_P (last_mouse_frame)) | |
8756 | f = last_mouse_frame; | |
8757 | else | |
8758 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
8759 | ||
8760 | if (f) | |
8761 | { | |
791f420f JR |
8762 | construct_mouse_click (&emacs_event, &msg, f); |
8763 | ||
8764 | /* Is this in the tool-bar? */ | |
8765 | if (WINDOWP (f->tool_bar_window) | |
8766 | && XFASTINT (XWINDOW (f->tool_bar_window)->height)) | |
8767 | { | |
8768 | Lisp_Object window; | |
d6ff54d5 | 8769 | int p; |
791f420f JR |
8770 | |
8771 | /* Set x and y. */ | |
8772 | window = window_from_coordinates (f, | |
8773 | emacs_event.x, | |
8774 | emacs_event.y, | |
8775 | &p, 1); | |
8776 | if (EQ (window, f->tool_bar_window)) | |
8777 | { | |
8778 | w32_handle_tool_bar_click (f, &emacs_event); | |
8779 | tool_bar_p = 1; | |
8780 | } | |
8781 | } | |
8782 | ||
8783 | if (!tool_bar_p) | |
8784 | if (!dpyinfo->w32_focus_frame | |
8785 | || f == dpyinfo->w32_focus_frame | |
8786 | && (numchars >= 1)) | |
8787 | { | |
8788 | construct_mouse_click (bufp, &msg, f); | |
8789 | bufp++; | |
8790 | count++; | |
8791 | numchars--; | |
8792 | } | |
ee78dc32 GV |
8793 | } |
8794 | ||
53823ab9 JR |
8795 | parse_button (msg.msg.message, HIWORD (msg.msg.wParam), |
8796 | &button, &up); | |
8797 | ||
ee78dc32 GV |
8798 | if (up) |
8799 | { | |
8800 | dpyinfo->grabbed &= ~ (1 << button); | |
8801 | } | |
8802 | else | |
8803 | { | |
8804 | dpyinfo->grabbed |= (1 << button); | |
8805 | last_mouse_frame = f; | |
791f420f JR |
8806 | /* Ignore any mouse motion that happened |
8807 | before this event; any subsequent mouse-movement | |
8808 | Emacs events should reflect only motion after | |
8809 | the ButtonPress. */ | |
8810 | if (f != 0) | |
8811 | f->mouse_moved = 0; | |
8812 | ||
8813 | if (!tool_bar_p) | |
8814 | last_tool_bar_item = -1; | |
ee78dc32 | 8815 | } |
689004fa | 8816 | break; |
ee78dc32 GV |
8817 | } |
8818 | ||
689004fa GV |
8819 | case WM_MOUSEWHEEL: |
8820 | if (dpyinfo->grabbed && last_mouse_frame | |
8821 | && FRAME_LIVE_P (last_mouse_frame)) | |
8822 | f = last_mouse_frame; | |
8823 | else | |
8824 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
8825 | ||
8826 | if (f) | |
8827 | { | |
8828 | if ((!dpyinfo->w32_focus_frame | |
8829 | || f == dpyinfo->w32_focus_frame) | |
8830 | && (numchars >= 1)) | |
8831 | { | |
8832 | construct_mouse_wheel (bufp, &msg, f); | |
8833 | bufp++; | |
8834 | count++; | |
8835 | numchars--; | |
8836 | } | |
8837 | } | |
ee78dc32 | 8838 | break; |
689004fa | 8839 | |
12857dfd RS |
8840 | case WM_DROPFILES: |
8841 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
8842 | ||
8843 | if (f) | |
8844 | { | |
8845 | construct_drag_n_drop (bufp, &msg, f); | |
8846 | bufp++; | |
8847 | count++; | |
8848 | numchars--; | |
8849 | } | |
8850 | break; | |
8851 | ||
ee78dc32 GV |
8852 | case WM_VSCROLL: |
8853 | { | |
689004fa GV |
8854 | struct scroll_bar *bar = |
8855 | x_window_to_scroll_bar ((HWND)msg.msg.lParam); | |
ee78dc32 GV |
8856 | |
8857 | if (bar && numchars >= 1) | |
8858 | { | |
c2cc16fa | 8859 | if (w32_scroll_bar_handle_click (bar, &msg, bufp)) |
52cf03a1 GV |
8860 | { |
8861 | bufp++; | |
8862 | count++; | |
8863 | numchars--; | |
8864 | } | |
ee78dc32 | 8865 | } |
689004fa | 8866 | break; |
ee78dc32 GV |
8867 | } |
8868 | ||
689004fa GV |
8869 | case WM_WINDOWPOSCHANGED: |
8870 | case WM_ACTIVATE: | |
8871 | case WM_ACTIVATEAPP: | |
8872 | check_visibility = 1; | |
ee78dc32 | 8873 | break; |
689004fa | 8874 | |
ee78dc32 GV |
8875 | case WM_MOVE: |
8876 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
8877 | ||
8878 | if (f && !f->async_iconified) | |
8879 | { | |
689004fa GV |
8880 | int x, y; |
8881 | ||
8882 | x_real_positions (f, &x, &y); | |
8883 | f->output_data.w32->left_pos = x; | |
8884 | f->output_data.w32->top_pos = y; | |
ee78dc32 | 8885 | } |
689004fa GV |
8886 | |
8887 | check_visibility = 1; | |
8888 | break; | |
8889 | ||
8890 | case WM_SHOWWINDOW: | |
b71b8111 JR |
8891 | /* wParam non-zero means Window is about to be shown, 0 means |
8892 | about to be hidden. */ | |
8893 | /* Redo the mouse-highlight after the tooltip has gone. */ | |
8894 | if (!msg.msg.wParam && msg.msg.hwnd == tip_window) | |
8895 | { | |
8896 | tip_window = NULL; | |
8897 | redo_mouse_highlight (); | |
8898 | } | |
8899 | ||
689004fa GV |
8900 | /* If window has been obscured or exposed by another window |
8901 | being maximised or minimised/restored, then recheck | |
8902 | visibility of all frames. Direct changes to our own | |
8903 | windows get handled by WM_SIZE. */ | |
8904 | #if 0 | |
8905 | if (msg.msg.lParam != 0) | |
8906 | check_visibility = 1; | |
8907 | else | |
8908 | { | |
8909 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
8910 | f->async_visible = msg.msg.wParam; | |
8911 | } | |
8912 | #endif | |
8913 | ||
8914 | check_visibility = 1; | |
ee78dc32 | 8915 | break; |
689004fa | 8916 | |
ee78dc32 GV |
8917 | case WM_SIZE: |
8918 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
8919 | ||
689004fa GV |
8920 | /* Inform lisp of whether frame has been iconified etc. */ |
8921 | if (f) | |
ee78dc32 | 8922 | { |
689004fa | 8923 | switch (msg.msg.wParam) |
ee78dc32 | 8924 | { |
689004fa GV |
8925 | case SIZE_MINIMIZED: |
8926 | f->async_visible = 0; | |
ee78dc32 GV |
8927 | f->async_iconified = 1; |
8928 | ||
8929 | bufp->kind = iconify_event; | |
8930 | XSETFRAME (bufp->frame_or_window, f); | |
7e889510 | 8931 | bufp->arg = Qnil; |
ee78dc32 GV |
8932 | bufp++; |
8933 | count++; | |
8934 | numchars--; | |
689004fa GV |
8935 | break; |
8936 | ||
8937 | case SIZE_MAXIMIZED: | |
8938 | case SIZE_RESTORED: | |
ee78dc32 GV |
8939 | f->async_visible = 1; |
8940 | f->async_iconified = 0; | |
8941 | ||
8942 | /* wait_reading_process_input will notice this and update | |
8943 | the frame's display structures. */ | |
8944 | SET_FRAME_GARBAGED (f); | |
8945 | ||
8946 | if (f->iconified) | |
8947 | { | |
31d4844a KH |
8948 | int x, y; |
8949 | ||
8950 | /* Reset top and left positions of the Window | |
8951 | here since Windows sends a WM_MOVE message | |
8952 | BEFORE telling us the Window is minimized | |
8953 | when the Window is iconified, with 3000,3000 | |
8954 | as the co-ords. */ | |
8955 | x_real_positions (f, &x, &y); | |
8956 | f->output_data.w32->left_pos = x; | |
8957 | f->output_data.w32->top_pos = y; | |
8958 | ||
ee78dc32 GV |
8959 | bufp->kind = deiconify_event; |
8960 | XSETFRAME (bufp->frame_or_window, f); | |
7e889510 | 8961 | bufp->arg = Qnil; |
ee78dc32 GV |
8962 | bufp++; |
8963 | count++; | |
8964 | numchars--; | |
8965 | } | |
9ef2e2cf JR |
8966 | else if (! NILP (Vframe_list) |
8967 | && ! NILP (XCDR (Vframe_list))) | |
ee78dc32 GV |
8968 | /* Force a redisplay sooner or later |
8969 | to update the frame titles | |
8970 | in case this is the second frame. */ | |
8971 | record_asynch_buffer_change (); | |
689004fa | 8972 | break; |
ee78dc32 | 8973 | } |
ee78dc32 | 8974 | } |
689004fa | 8975 | |
ef0e360f GV |
8976 | if (f && !f->async_iconified && msg.msg.wParam != SIZE_MINIMIZED) |
8977 | { | |
8978 | RECT rect; | |
8979 | int rows; | |
8980 | int columns; | |
8981 | int width; | |
8982 | int height; | |
8983 | ||
9127e20e | 8984 | GetClientRect (msg.msg.hwnd, &rect); |
ef0e360f GV |
8985 | |
8986 | height = rect.bottom - rect.top; | |
8987 | width = rect.right - rect.left; | |
8988 | ||
8989 | rows = PIXEL_TO_CHAR_HEIGHT (f, height); | |
8990 | columns = PIXEL_TO_CHAR_WIDTH (f, width); | |
8991 | ||
8992 | /* TODO: Clip size to the screen dimensions. */ | |
8993 | ||
8994 | /* Even if the number of character rows and columns has | |
8995 | not changed, the font size may have changed, so we need | |
8996 | to check the pixel dimensions as well. */ | |
8997 | ||
8998 | if (columns != f->width | |
8999 | || rows != f->height | |
9000 | || width != f->output_data.w32->pixel_width | |
9001 | || height != f->output_data.w32->pixel_height) | |
9002 | { | |
791f420f | 9003 | change_frame_size (f, rows, columns, 0, 1, 0); |
ef0e360f | 9004 | SET_FRAME_GARBAGED (f); |
31d4844a | 9005 | cancel_mouse_face (f); |
ef0e360f GV |
9006 | f->output_data.w32->pixel_width = width; |
9007 | f->output_data.w32->pixel_height = height; | |
9008 | f->output_data.w32->win_gravity = NorthWestGravity; | |
9009 | } | |
9010 | } | |
9011 | ||
689004fa GV |
9012 | check_visibility = 1; |
9013 | break; | |
9014 | ||
1576fbfa JR |
9015 | case WM_MOUSELEAVE: |
9016 | f = x_any_window_to_frame (dpyinfo, msg.msg.hwnd); | |
9017 | if (f) | |
9018 | { | |
9019 | if (f == dpyinfo->mouse_face_mouse_frame) | |
9020 | { | |
9021 | /* If we move outside the frame, then we're | |
9022 | certainly no longer on any text in the frame. */ | |
9023 | clear_mouse_face (dpyinfo); | |
9024 | dpyinfo->mouse_face_mouse_frame = 0; | |
9025 | } | |
9026 | ||
9027 | /* Generate a nil HELP_EVENT to cancel a help-echo. | |
9028 | Do it only if there's something to cancel. | |
9029 | Otherwise, the startup message is cleared when | |
9030 | the mouse leaves the frame. */ | |
9031 | if (any_help_event_p) | |
9032 | { | |
9033 | Lisp_Object frame; | |
9034 | int n; | |
9035 | ||
9036 | XSETFRAME (frame, f); | |
9037 | help_echo = Qnil; | |
9038 | n = gen_help_event (bufp, numchars, | |
9039 | Qnil, frame, Qnil, Qnil, 0); | |
9040 | bufp += n, count += n, numchars -= n; | |
9041 | } | |
9042 | } | |
9043 | break; | |
9044 | ||
689004fa | 9045 | case WM_SETFOCUS: |
791f420f JR |
9046 | f = x_any_window_to_frame (dpyinfo, msg.msg.hwnd); |
9047 | ||
9048 | dpyinfo->w32_focus_event_frame = f; | |
9049 | ||
9050 | if (f) | |
9051 | x_new_focus_frame (dpyinfo, f); | |
9052 | ||
9053 | ||
9054 | dpyinfo->grabbed = 0; | |
9055 | check_visibility = 1; | |
9056 | break; | |
9057 | ||
689004fa | 9058 | case WM_KILLFOCUS: |
01b220b6 | 9059 | /* TODO: some of this belongs in MOUSE_LEAVE */ |
791f420f | 9060 | f = x_top_window_to_frame (dpyinfo, msg.msg.hwnd); |
08712a41 | 9061 | |
791f420f JR |
9062 | if (f) |
9063 | { | |
791f420f JR |
9064 | if (f == dpyinfo->w32_focus_event_frame) |
9065 | dpyinfo->w32_focus_event_frame = 0; | |
9066 | ||
9067 | if (f == dpyinfo->w32_focus_frame) | |
9068 | x_new_focus_frame (dpyinfo, 0); | |
9069 | ||
9070 | if (f == dpyinfo->mouse_face_mouse_frame) | |
9071 | { | |
9072 | /* If we move outside the frame, then we're | |
9073 | certainly no longer on any text in the frame. */ | |
9074 | clear_mouse_face (dpyinfo); | |
9075 | dpyinfo->mouse_face_mouse_frame = 0; | |
9076 | } | |
9ef2e2cf | 9077 | |
791f420f JR |
9078 | /* Generate a nil HELP_EVENT to cancel a help-echo. |
9079 | Do it only if there's something to cancel. | |
9080 | Otherwise, the startup message is cleared when | |
9081 | the mouse leaves the frame. */ | |
9082 | if (any_help_event_p) | |
9083 | { | |
c2cc16fa | 9084 | Lisp_Object frame; |
ec48c3a7 JR |
9085 | int n; |
9086 | ||
791f420f | 9087 | XSETFRAME (frame, f); |
c2cc16fa JR |
9088 | help_echo = Qnil; |
9089 | n = gen_help_event (bufp, numchars, | |
9090 | Qnil, frame, Qnil, Qnil, 0); | |
ec48c3a7 | 9091 | bufp += n, count += n, numchars -=n; |
791f420f JR |
9092 | } |
9093 | } | |
689004fa | 9094 | |
08712a41 | 9095 | dpyinfo->grabbed = 0; |
689004fa | 9096 | check_visibility = 1; |
ee78dc32 | 9097 | break; |
689004fa | 9098 | |
ee78dc32 GV |
9099 | case WM_CLOSE: |
9100 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
9101 | ||
9102 | if (f) | |
9103 | { | |
9104 | if (numchars == 0) | |
9105 | abort (); | |
9106 | ||
9107 | bufp->kind = delete_window_event; | |
9108 | XSETFRAME (bufp->frame_or_window, f); | |
7e889510 | 9109 | bufp->arg = Qnil; |
ee78dc32 GV |
9110 | bufp++; |
9111 | count++; | |
9112 | numchars--; | |
9113 | } | |
689004fa GV |
9114 | break; |
9115 | ||
9116 | case WM_INITMENU: | |
9117 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
9118 | ||
9119 | if (f) | |
9120 | { | |
9121 | if (numchars == 0) | |
9122 | abort (); | |
ee78dc32 | 9123 | |
689004fa GV |
9124 | bufp->kind = menu_bar_activate_event; |
9125 | XSETFRAME (bufp->frame_or_window, f); | |
7e889510 | 9126 | bufp->arg = Qnil; |
689004fa GV |
9127 | bufp++; |
9128 | count++; | |
9129 | numchars--; | |
9130 | } | |
ee78dc32 | 9131 | break; |
689004fa | 9132 | |
ee78dc32 GV |
9133 | case WM_COMMAND: |
9134 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
014b6ea1 | 9135 | |
ee78dc32 GV |
9136 | if (f) |
9137 | { | |
f98169a0 GV |
9138 | extern void menubar_selection_callback |
9139 | (FRAME_PTR f, void * client_data); | |
014b6ea1 | 9140 | menubar_selection_callback (f, (void *)msg.msg.wParam); |
ee78dc32 | 9141 | } |
689004fa GV |
9142 | |
9143 | check_visibility = 1; | |
9144 | break; | |
9145 | ||
9146 | case WM_DISPLAYCHANGE: | |
9147 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
9148 | ||
9149 | if (f) | |
9150 | { | |
9151 | dpyinfo->width = (short) LOWORD (msg.msg.lParam); | |
9152 | dpyinfo->height = (short) HIWORD (msg.msg.lParam); | |
9153 | dpyinfo->n_cbits = msg.msg.wParam; | |
9154 | DebPrint (("display change: %d %d\n", dpyinfo->width, | |
9155 | dpyinfo->height)); | |
9156 | } | |
9157 | ||
9158 | check_visibility = 1; | |
ee78dc32 | 9159 | break; |
e7efd97e GV |
9160 | |
9161 | default: | |
9162 | /* Check for messages registered at runtime. */ | |
9163 | if (msg.msg.message == msh_mousewheel) | |
9164 | { | |
9165 | if (dpyinfo->grabbed && last_mouse_frame | |
9166 | && FRAME_LIVE_P (last_mouse_frame)) | |
9167 | f = last_mouse_frame; | |
9168 | else | |
9169 | f = x_window_to_frame (dpyinfo, msg.msg.hwnd); | |
9170 | ||
9171 | if (f) | |
9172 | { | |
9173 | if ((!dpyinfo->w32_focus_frame | |
9174 | || f == dpyinfo->w32_focus_frame) | |
9175 | && (numchars >= 1)) | |
9176 | { | |
9177 | construct_mouse_wheel (bufp, &msg, f); | |
9178 | bufp++; | |
9179 | count++; | |
9180 | numchars--; | |
9181 | } | |
9182 | } | |
9183 | } | |
9184 | break; | |
ee78dc32 GV |
9185 | } |
9186 | } | |
9187 | ||
9188 | /* If the focus was just given to an autoraising frame, | |
9189 | raise it now. */ | |
9190 | /* ??? This ought to be able to handle more than one such frame. */ | |
9191 | if (pending_autoraise_frame) | |
9192 | { | |
9193 | x_raise_frame (pending_autoraise_frame); | |
9194 | pending_autoraise_frame = 0; | |
9195 | } | |
9196 | ||
689004fa GV |
9197 | /* Check which frames are still visisble, if we have enqueued any user |
9198 | events or been notified of events that may affect visibility. We | |
9199 | do this here because there doesn't seem to be any direct | |
9200 | notification from Windows that the visibility of a window has | |
9201 | changed (at least, not in all cases). */ | |
9202 | if (count > 0 || check_visibility) | |
9203 | { | |
9204 | Lisp_Object tail, frame; | |
9205 | ||
9206 | FOR_EACH_FRAME (tail, frame) | |
9207 | { | |
9208 | FRAME_PTR f = XFRAME (frame); | |
b71b8111 JR |
9209 | /* The tooltip has been drawn already. Avoid the |
9210 | SET_FRAME_GARBAGED below. */ | |
eb77a5f4 | 9211 | if (EQ (frame, tip_frame)) |
b71b8111 JR |
9212 | continue; |
9213 | ||
689004fa GV |
9214 | /* Check "visible" frames and mark each as obscured or not. |
9215 | Note that async_visible is nonzero for unobscured and | |
9216 | obscured frames, but zero for hidden and iconified frames. */ | |
9217 | if (FRAME_W32_P (f) && f->async_visible) | |
9218 | { | |
9219 | RECT clipbox; | |
66e5868a AI |
9220 | HDC hdc; |
9221 | ||
9222 | enter_crit (); | |
9223 | /* Query clipping rectangle for the entire window area | |
9224 | (GetWindowDC), not just the client portion (GetDC). | |
9225 | Otherwise, the scrollbars and menubar aren't counted as | |
9226 | part of the visible area of the frame, and we may think | |
9227 | the frame is obscured when really a scrollbar is still | |
9228 | visible and gets WM_PAINT messages above. */ | |
9229 | hdc = GetWindowDC (FRAME_W32_WINDOW (f)); | |
689004fa | 9230 | GetClipBox (hdc, &clipbox); |
66e5868a AI |
9231 | ReleaseDC (FRAME_W32_WINDOW (f), hdc); |
9232 | leave_crit (); | |
689004fa GV |
9233 | |
9234 | if (clipbox.right == clipbox.left | |
9235 | || clipbox.bottom == clipbox.top) | |
9236 | { | |
9237 | /* Frame has become completely obscured so mark as | |
9238 | such (we do this by setting async_visible to 2 so | |
9239 | that FRAME_VISIBLE_P is still true, but redisplay | |
9240 | will skip it). */ | |
9241 | f->async_visible = 2; | |
9242 | ||
9243 | if (!FRAME_OBSCURED_P (f)) | |
9244 | { | |
8f860180 | 9245 | DebPrint (("frame %p (%s) obscured\n", f, |
689004fa GV |
9246 | XSTRING (f->name)->data)); |
9247 | } | |
9248 | } | |
9249 | else | |
9250 | { | |
9251 | /* Frame is not obscured, so mark it as such. */ | |
9252 | f->async_visible = 1; | |
9253 | ||
9254 | if (FRAME_OBSCURED_P (f)) | |
9255 | { | |
9256 | SET_FRAME_GARBAGED (f); | |
8f860180 | 9257 | DebPrint (("obscured frame %p (%s) found to be visible\n", f, |
689004fa GV |
9258 | XSTRING (f->name)->data)); |
9259 | ||
9260 | /* Force a redisplay sooner or later. */ | |
9261 | record_asynch_buffer_change (); | |
9262 | } | |
9263 | } | |
9264 | } | |
9265 | } | |
9266 | } | |
9267 | ||
ee78dc32 GV |
9268 | UNBLOCK_INPUT; |
9269 | return count; | |
9270 | } | |
791f420f | 9271 | |
9ef2e2cf JR |
9272 | |
9273 | ||
ee78dc32 | 9274 | \f |
791f420f JR |
9275 | /*********************************************************************** |
9276 | Text Cursor | |
9277 | ***********************************************************************/ | |
9278 | ||
6ff3e5e3 JR |
9279 | /* Notice if the text cursor of window W has been overwritten by a |
9280 | drawing operation that outputs glyphs starting at START_X and | |
9281 | ending at END_X in the line given by output_cursor.vpos. | |
9282 | Coordinates are area-relative. END_X < 0 means all the rest | |
9283 | of the line after START_X has been written. */ | |
791f420f JR |
9284 | |
9285 | static void | |
6637c996 | 9286 | notice_overwritten_cursor (w, area, x0, x1, y0, y1) |
791f420f | 9287 | struct window *w; |
6637c996 JR |
9288 | enum glyph_row_area area; |
9289 | int x0, x1, y0, y1; | |
791f420f | 9290 | { |
6637c996 | 9291 | if (area == TEXT_AREA |
6ff3e5e3 | 9292 | && w->phys_cursor_on_p |
6637c996 JR |
9293 | && y0 <= w->phys_cursor.y |
9294 | && y1 >= w->phys_cursor.y + w->phys_cursor_height | |
9295 | && x0 <= w->phys_cursor.x | |
9296 | && (x1 < 0 || x1 > w->phys_cursor.x)) | |
791f420f JR |
9297 | w->phys_cursor_on_p = 0; |
9298 | } | |
9299 | ||
ee78dc32 | 9300 | |
791f420f JR |
9301 | /* Set clipping for output in glyph row ROW. W is the window in which |
9302 | we operate. GC is the graphics context to set clipping in. | |
9303 | WHOLE_LINE_P non-zero means include the areas used for truncation | |
9304 | mark display and alike in the clipping rectangle. | |
ee78dc32 | 9305 | |
791f420f JR |
9306 | ROW may be a text row or, e.g., a mode line. Text rows must be |
9307 | clipped to the interior of the window dedicated to text display, | |
9308 | mode lines must be clipped to the whole window. */ | |
ee78dc32 GV |
9309 | |
9310 | static void | |
791f420f JR |
9311 | w32_clip_to_row (w, row, hdc, whole_line_p) |
9312 | struct window *w; | |
9313 | struct glyph_row *row; | |
9314 | HDC hdc; | |
9315 | int whole_line_p; | |
ee78dc32 | 9316 | { |
791f420f JR |
9317 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
9318 | RECT clip_rect; | |
9319 | int window_x, window_y, window_width, window_height; | |
52cf03a1 | 9320 | |
791f420f | 9321 | window_box (w, -1, &window_x, &window_y, &window_width, &window_height); |
52cf03a1 | 9322 | |
791f420f JR |
9323 | clip_rect.left = WINDOW_TO_FRAME_PIXEL_X (w, 0); |
9324 | clip_rect.top = WINDOW_TO_FRAME_PIXEL_Y (w, row->y); | |
9325 | clip_rect.top = max (clip_rect.top, window_y); | |
9326 | clip_rect.right = clip_rect.left + window_width; | |
9327 | clip_rect.bottom = clip_rect.top + row->visible_height; | |
9328 | ||
9329 | /* If clipping to the whole line, including trunc marks, extend | |
9ef2e2cf | 9330 | the rectangle to the left and increase its width. */ |
791f420f JR |
9331 | if (whole_line_p) |
9332 | { | |
33c34bea KS |
9333 | clip_rect.left -= FRAME_X_LEFT_FRINGE_WIDTH (f); |
9334 | clip_rect.right += FRAME_X_FRINGE_WIDTH (f); | |
791f420f JR |
9335 | } |
9336 | ||
9337 | w32_set_clip_rectangle (hdc, &clip_rect); | |
ee78dc32 GV |
9338 | } |
9339 | ||
791f420f JR |
9340 | |
9341 | /* Draw a hollow box cursor on window W in glyph row ROW. */ | |
ee78dc32 GV |
9342 | |
9343 | static void | |
791f420f JR |
9344 | x_draw_hollow_cursor (w, row) |
9345 | struct window *w; | |
9346 | struct glyph_row *row; | |
ee78dc32 | 9347 | { |
791f420f | 9348 | struct frame *f = XFRAME (WINDOW_FRAME (w)); |
988646fc | 9349 | HDC hdc; |
791f420f JR |
9350 | RECT rect; |
9351 | int wd; | |
9352 | struct glyph *cursor_glyph; | |
9353 | HBRUSH hb = CreateSolidBrush (f->output_data.w32->cursor_pixel); | |
9354 | ||
9355 | /* Compute frame-relative coordinates from window-relative | |
9356 | coordinates. */ | |
9357 | rect.left = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x); | |
9358 | rect.top = (WINDOW_TO_FRAME_PIXEL_Y (w, w->phys_cursor.y) | |
9359 | + row->ascent - w->phys_cursor_ascent); | |
9360 | rect.bottom = rect.top + row->height - 1; | |
9361 | ||
9362 | /* Get the glyph the cursor is on. If we can't tell because | |
9363 | the current matrix is invalid or such, give up. */ | |
9364 | cursor_glyph = get_phys_cursor_glyph (w); | |
9365 | if (cursor_glyph == NULL) | |
ee78dc32 GV |
9366 | return; |
9367 | ||
791f420f JR |
9368 | /* Compute the width of the rectangle to draw. If on a stretch |
9369 | glyph, and `x-stretch-block-cursor' is nil, don't draw a | |
9370 | rectangle as wide as the glyph, but use a canonical character | |
9371 | width instead. */ | |
9372 | wd = cursor_glyph->pixel_width - 1; | |
9373 | if (cursor_glyph->type == STRETCH_GLYPH | |
9374 | && !x_stretch_cursor_p) | |
9375 | wd = min (CANON_X_UNIT (f), wd); | |
9376 | ||
9377 | rect.right = rect.left + wd; | |
988646fc | 9378 | hdc = get_frame_dc (f); |
791f420f JR |
9379 | FrameRect (hdc, &rect, hb); |
9380 | DeleteObject (hb); | |
9381 | ||
9382 | release_frame_dc (f, hdc); | |
ee78dc32 GV |
9383 | } |
9384 | ||
791f420f JR |
9385 | |
9386 | /* Draw a bar cursor on window W in glyph row ROW. | |
9387 | ||
9388 | Implementation note: One would like to draw a bar cursor with an | |
9389 | angle equal to the one given by the font property XA_ITALIC_ANGLE. | |
9390 | Unfortunately, I didn't find a font yet that has this property set. | |
9391 | --gerd. */ | |
ee78dc32 GV |
9392 | |
9393 | static void | |
9ef2e2cf | 9394 | x_draw_bar_cursor (w, row, width) |
791f420f JR |
9395 | struct window *w; |
9396 | struct glyph_row *row; | |
9ef2e2cf | 9397 | int width; |
ee78dc32 | 9398 | { |
c2cc16fa JR |
9399 | struct frame *f = XFRAME (w->frame); |
9400 | struct glyph *cursor_glyph; | |
9401 | int x; | |
9402 | HDC hdc; | |
791f420f | 9403 | |
c2cc16fa JR |
9404 | /* If cursor is out of bounds, don't draw garbage. This can happen |
9405 | in mini-buffer windows when switching between echo area glyphs | |
9406 | and mini-buffer. */ | |
9407 | cursor_glyph = get_phys_cursor_glyph (w); | |
9408 | if (cursor_glyph == NULL) | |
9409 | return; | |
9ef2e2cf | 9410 | |
c2cc16fa JR |
9411 | /* If on an image, draw like a normal cursor. That's usually better |
9412 | visible than drawing a bar, esp. if the image is large so that | |
9413 | the bar might not be in the window. */ | |
9414 | if (cursor_glyph->type == IMAGE_GLYPH) | |
9415 | { | |
9416 | struct glyph_row *row; | |
9417 | row = MATRIX_ROW (w->current_matrix, w->phys_cursor.vpos); | |
9418 | x_draw_phys_cursor_glyph (w, row, DRAW_CURSOR); | |
9419 | } | |
9420 | else | |
9421 | { | |
6ff3e5e3 JR |
9422 | COLORREF cursor_color = f->output_data.w32->cursor_pixel; |
9423 | struct face *face = FACE_FROM_ID (f, cursor_glyph->face_id); | |
9424 | ||
c2cc16fa JR |
9425 | if (width < 0) |
9426 | width = f->output_data.w32->cursor_width; | |
158cba56 | 9427 | |
6ff3e5e3 JR |
9428 | /* If the glyph's background equals the color we normally draw |
9429 | the bar cursor in, the bar cursor in its normal color is | |
9430 | invisible. Use the glyph's foreground color instead in this | |
9431 | case, on the assumption that the glyph's colors are chosen so | |
9432 | that the glyph is legible. */ | |
9433 | if (face->background == cursor_color) | |
9434 | cursor_color = face->foreground; | |
9435 | ||
c2cc16fa JR |
9436 | x = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x); |
9437 | hdc = get_frame_dc (f); | |
9438 | w32_clip_to_row (w, row, hdc, 0); | |
6ff3e5e3 | 9439 | w32_fill_area (f, hdc, cursor_color, x, |
c2cc16fa JR |
9440 | WINDOW_TO_FRAME_PIXEL_Y (w, w->phys_cursor.y), |
9441 | min (cursor_glyph->pixel_width, width), | |
9442 | row->height); | |
9443 | release_frame_dc (f, hdc); | |
791f420f | 9444 | } |
ee78dc32 GV |
9445 | } |
9446 | ||
791f420f JR |
9447 | |
9448 | /* Clear the cursor of window W to background color, and mark the | |
9449 | cursor as not shown. This is used when the text where the cursor | |
9450 | is is about to be rewritten. */ | |
9451 | ||
ee78dc32 | 9452 | static void |
791f420f JR |
9453 | x_clear_cursor (w) |
9454 | struct window *w; | |
ee78dc32 | 9455 | { |
791f420f JR |
9456 | if (FRAME_VISIBLE_P (XFRAME (w->frame)) && w->phys_cursor_on_p) |
9457 | x_update_window_cursor (w, 0); | |
9458 | } | |
ee78dc32 | 9459 | |
ee78dc32 | 9460 | |
791f420f JR |
9461 | /* Draw the cursor glyph of window W in glyph row ROW. See the |
9462 | comment of x_draw_glyphs for the meaning of HL. */ | |
ee78dc32 | 9463 | |
791f420f JR |
9464 | static void |
9465 | x_draw_phys_cursor_glyph (w, row, hl) | |
9466 | struct window *w; | |
9467 | struct glyph_row *row; | |
9468 | enum draw_glyphs_face hl; | |
9469 | { | |
9470 | /* If cursor hpos is out of bounds, don't draw garbage. This can | |
9471 | happen in mini-buffer windows when switching between echo area | |
9472 | glyphs and mini-buffer. */ | |
9473 | if (w->phys_cursor.hpos < row->used[TEXT_AREA]) | |
ee78dc32 | 9474 | { |
6ff3e5e3 | 9475 | int on_p = w->phys_cursor_on_p; |
791f420f JR |
9476 | x_draw_glyphs (w, w->phys_cursor.x, row, TEXT_AREA, |
9477 | w->phys_cursor.hpos, w->phys_cursor.hpos + 1, | |
6ff3e5e3 JR |
9478 | hl, 0); |
9479 | w->phys_cursor_on_p = on_p; | |
791f420f JR |
9480 | |
9481 | /* When we erase the cursor, and ROW is overlapped by other | |
9482 | rows, make sure that these overlapping parts of other rows | |
9483 | are redrawn. */ | |
9484 | if (hl == DRAW_NORMAL_TEXT && row->overlapped_p) | |
9485 | { | |
9486 | if (row > w->current_matrix->rows | |
9487 | && MATRIX_ROW_OVERLAPS_SUCC_P (row - 1)) | |
9488 | x_fix_overlapping_area (w, row - 1, TEXT_AREA); | |
9489 | ||
9490 | if (MATRIX_ROW_BOTTOM_Y (row) < window_text_bottom_y (w) | |
9491 | && MATRIX_ROW_OVERLAPS_PRED_P (row + 1)) | |
9492 | x_fix_overlapping_area (w, row + 1, TEXT_AREA); | |
9493 | } | |
ee78dc32 | 9494 | } |
791f420f | 9495 | } |
ee78dc32 | 9496 | |
791f420f JR |
9497 | |
9498 | /* Erase the image of a cursor of window W from the screen. */ | |
9499 | ||
9500 | static void | |
9501 | x_erase_phys_cursor (w) | |
9502 | struct window *w; | |
9503 | { | |
9504 | struct frame *f = XFRAME (w->frame); | |
9505 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
9506 | int hpos = w->phys_cursor.hpos; | |
9507 | int vpos = w->phys_cursor.vpos; | |
9508 | int mouse_face_here_p = 0; | |
9509 | struct glyph_matrix *active_glyphs = w->current_matrix; | |
9510 | struct glyph_row *cursor_row; | |
9511 | struct glyph *cursor_glyph; | |
9512 | enum draw_glyphs_face hl; | |
9513 | ||
9514 | /* No cursor displayed or row invalidated => nothing to do on the | |
9515 | screen. */ | |
9516 | if (w->phys_cursor_type == NO_CURSOR) | |
9517 | goto mark_cursor_off; | |
9518 | ||
9519 | /* VPOS >= active_glyphs->nrows means that window has been resized. | |
9520 | Don't bother to erase the cursor. */ | |
9521 | if (vpos >= active_glyphs->nrows) | |
9522 | goto mark_cursor_off; | |
9523 | ||
9524 | /* If row containing cursor is marked invalid, there is nothing we | |
9525 | can do. */ | |
9526 | cursor_row = MATRIX_ROW (active_glyphs, vpos); | |
9527 | if (!cursor_row->enabled_p) | |
9528 | goto mark_cursor_off; | |
9529 | ||
a2c6de8e KS |
9530 | /* If row is completely invisible, don't attempt to delete a cursor which |
9531 | isn't there. This may happen if cursor is at top of window, and | |
9532 | we switch to a buffer with a header line in that window. */ | |
9533 | if (cursor_row->visible_height <= 0) | |
9534 | goto mark_cursor_off; | |
9535 | ||
791f420f JR |
9536 | /* This can happen when the new row is shorter than the old one. |
9537 | In this case, either x_draw_glyphs or clear_end_of_line | |
9538 | should have cleared the cursor. Note that we wouldn't be | |
9539 | able to erase the cursor in this case because we don't have a | |
9540 | cursor glyph at hand. */ | |
9541 | if (w->phys_cursor.hpos >= cursor_row->used[TEXT_AREA]) | |
9542 | goto mark_cursor_off; | |
9543 | ||
9544 | /* If the cursor is in the mouse face area, redisplay that when | |
9545 | we clear the cursor. */ | |
c2cc16fa JR |
9546 | if (! NILP (dpyinfo->mouse_face_window) |
9547 | && w == XWINDOW (dpyinfo->mouse_face_window) | |
791f420f JR |
9548 | && (vpos > dpyinfo->mouse_face_beg_row |
9549 | || (vpos == dpyinfo->mouse_face_beg_row | |
9550 | && hpos >= dpyinfo->mouse_face_beg_col)) | |
9551 | && (vpos < dpyinfo->mouse_face_end_row | |
9552 | || (vpos == dpyinfo->mouse_face_end_row | |
9553 | && hpos < dpyinfo->mouse_face_end_col)) | |
9554 | /* Don't redraw the cursor's spot in mouse face if it is at the | |
9555 | end of a line (on a newline). The cursor appears there, but | |
9556 | mouse highlighting does not. */ | |
9557 | && cursor_row->used[TEXT_AREA] > hpos) | |
9558 | mouse_face_here_p = 1; | |
9559 | ||
9560 | /* Maybe clear the display under the cursor. */ | |
9561 | if (w->phys_cursor_type == HOLLOW_BOX_CURSOR) | |
ee78dc32 | 9562 | { |
791f420f JR |
9563 | int x; |
9564 | int header_line_height = WINDOW_DISPLAY_HEADER_LINE_HEIGHT (w); | |
00fe468b | 9565 | HDC hdc; |
ee78dc32 | 9566 | |
791f420f JR |
9567 | cursor_glyph = get_phys_cursor_glyph (w); |
9568 | if (cursor_glyph == NULL) | |
9569 | goto mark_cursor_off; | |
ee78dc32 | 9570 | |
791f420f | 9571 | x = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x); |
00fe468b JR |
9572 | |
9573 | hdc = get_frame_dc (f); | |
9574 | w32_clear_area (f, hdc, x, | |
791f420f JR |
9575 | WINDOW_TO_FRAME_PIXEL_Y (w, max (header_line_height, |
9576 | cursor_row->y)), | |
9577 | cursor_glyph->pixel_width, | |
9578 | cursor_row->visible_height); | |
00fe468b | 9579 | release_frame_dc (f, hdc); |
ee78dc32 | 9580 | } |
791f420f JR |
9581 | |
9582 | /* Erase the cursor by redrawing the character underneath it. */ | |
9583 | if (mouse_face_here_p) | |
9584 | hl = DRAW_MOUSE_FACE; | |
791f420f JR |
9585 | else |
9586 | hl = DRAW_NORMAL_TEXT; | |
9587 | x_draw_phys_cursor_glyph (w, cursor_row, hl); | |
9588 | ||
9589 | mark_cursor_off: | |
9590 | w->phys_cursor_on_p = 0; | |
9591 | w->phys_cursor_type = NO_CURSOR; | |
ee78dc32 GV |
9592 | } |
9593 | ||
9594 | ||
9f5a911b JR |
9595 | /* Non-zero if physical cursor of window W is within mouse face. */ |
9596 | ||
9597 | static int | |
9598 | cursor_in_mouse_face_p (w) | |
9599 | struct window *w; | |
9600 | { | |
9601 | struct w32_display_info *dpyinfo | |
9602 | = FRAME_W32_DISPLAY_INFO (XFRAME (w->frame)); | |
9603 | int in_mouse_face = 0; | |
9604 | ||
9605 | if (WINDOWP (dpyinfo->mouse_face_window) | |
9606 | && XWINDOW (dpyinfo->mouse_face_window) == w) | |
9607 | { | |
9608 | int hpos = w->phys_cursor.hpos; | |
9609 | int vpos = w->phys_cursor.vpos; | |
9610 | ||
9611 | if (vpos >= dpyinfo->mouse_face_beg_row | |
9612 | && vpos <= dpyinfo->mouse_face_end_row | |
9613 | && (vpos > dpyinfo->mouse_face_beg_row | |
9614 | || hpos >= dpyinfo->mouse_face_beg_col) | |
9615 | && (vpos < dpyinfo->mouse_face_end_row | |
9616 | || hpos < dpyinfo->mouse_face_end_col | |
9617 | || dpyinfo->mouse_face_past_end)) | |
9618 | in_mouse_face = 1; | |
9619 | } | |
9620 | ||
9621 | return in_mouse_face; | |
9622 | } | |
9623 | ||
9624 | ||
791f420f JR |
9625 | /* Display or clear cursor of window W. If ON is zero, clear the |
9626 | cursor. If it is non-zero, display the cursor. If ON is nonzero, | |
9627 | where to put the cursor is specified by HPOS, VPOS, X and Y. */ | |
ee78dc32 | 9628 | |
791f420f JR |
9629 | void |
9630 | x_display_and_set_cursor (w, on, hpos, vpos, x, y) | |
9631 | struct window *w; | |
9632 | int on, hpos, vpos, x, y; | |
ee78dc32 | 9633 | { |
791f420f JR |
9634 | struct frame *f = XFRAME (w->frame); |
9635 | int new_cursor_type; | |
9ef2e2cf | 9636 | int new_cursor_width; |
791f420f JR |
9637 | struct glyph_matrix *current_glyphs; |
9638 | struct glyph_row *glyph_row; | |
9639 | struct glyph *glyph; | |
34368a22 | 9640 | int cursor_non_selected; |
abb15ebd | 9641 | int active_cursor = 1; |
ee78dc32 GV |
9642 | |
9643 | /* This is pointless on invisible frames, and dangerous on garbaged | |
791f420f JR |
9644 | windows and frames; in the latter case, the frame or window may |
9645 | be in the midst of changing its size, and x and y may be off the | |
9646 | window. */ | |
9647 | if (! FRAME_VISIBLE_P (f) | |
9648 | || FRAME_GARBAGED_P (f) | |
9649 | || vpos >= w->current_matrix->nrows | |
9650 | || hpos >= w->current_matrix->matrix_w) | |
ee78dc32 GV |
9651 | return; |
9652 | ||
9653 | /* If cursor is off and we want it off, return quickly. */ | |
791f420f | 9654 | if (!on && !w->phys_cursor_on_p) |
ee78dc32 GV |
9655 | return; |
9656 | ||
791f420f JR |
9657 | current_glyphs = w->current_matrix; |
9658 | glyph_row = MATRIX_ROW (current_glyphs, vpos); | |
9659 | glyph = glyph_row->glyphs[TEXT_AREA] + hpos; | |
9660 | ||
9661 | /* If cursor row is not enabled, we don't really know where to | |
9662 | display the cursor. */ | |
9663 | if (!glyph_row->enabled_p) | |
9664 | { | |
9665 | w->phys_cursor_on_p = 0; | |
9666 | return; | |
9667 | } | |
9668 | ||
9669 | xassert (interrupt_input_blocked); | |
9670 | ||
9671 | /* Set new_cursor_type to the cursor we want to be displayed. In a | |
9672 | mini-buffer window, we want the cursor only to appear if we are | |
9673 | reading input from this window. For the selected window, we want | |
9674 | the cursor type given by the frame parameter. If explicitly | |
9675 | marked off, draw no cursor. In all other cases, we want a hollow | |
9676 | box cursor. */ | |
34368a22 | 9677 | cursor_non_selected |
b116830b | 9678 | = !NILP (Fbuffer_local_value (Qcursor_in_non_selected_windows, |
34368a22 | 9679 | w->buffer)); |
9ef2e2cf | 9680 | new_cursor_width = -1; |
791f420f JR |
9681 | if (cursor_in_echo_area |
9682 | && FRAME_HAS_MINIBUF_P (f) | |
9683 | && EQ (FRAME_MINIBUF_WINDOW (f), echo_area_window)) | |
9684 | { | |
9685 | if (w == XWINDOW (echo_area_window)) | |
9686 | new_cursor_type = FRAME_DESIRED_CURSOR (f); | |
9687 | else | |
abb15ebd | 9688 | { |
6ff3e5e3 JR |
9689 | if (cursor_non_selected) |
9690 | new_cursor_type = HOLLOW_BOX_CURSOR; | |
9691 | else | |
9692 | new_cursor_type = NO_CURSOR; | |
abb15ebd JR |
9693 | active_cursor = 0; |
9694 | } | |
791f420f JR |
9695 | } |
9696 | else | |
9697 | { | |
49be9f70 JR |
9698 | if (f != FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame |
9699 | || w != XWINDOW (f->selected_window)) | |
791f420f | 9700 | { |
abb15ebd | 9701 | active_cursor = 0; |
a2bc11d4 | 9702 | |
9127e20e | 9703 | if (MINI_WINDOW_P (w) |
34368a22 | 9704 | || !cursor_non_selected |
9127e20e | 9705 | || NILP (XBUFFER (w->buffer)->cursor_type)) |
791f420f JR |
9706 | new_cursor_type = NO_CURSOR; |
9707 | else | |
9708 | new_cursor_type = HOLLOW_BOX_CURSOR; | |
9709 | } | |
9710 | else if (w->cursor_off_p) | |
9711 | new_cursor_type = NO_CURSOR; | |
9712 | else | |
9ef2e2cf JR |
9713 | { |
9714 | struct buffer *b = XBUFFER (w->buffer); | |
9715 | ||
9716 | if (EQ (b->cursor_type, Qt)) | |
9717 | new_cursor_type = FRAME_DESIRED_CURSOR (f); | |
9718 | else | |
9719 | new_cursor_type = x_specified_cursor_type (b->cursor_type, | |
9720 | &new_cursor_width); | |
9721 | } | |
791f420f JR |
9722 | } |
9723 | ||
9724 | /* If cursor is currently being shown and we don't want it to be or | |
9725 | it is in the wrong place, or the cursor type is not what we want, | |
ee78dc32 | 9726 | erase it. */ |
791f420f | 9727 | if (w->phys_cursor_on_p |
ee78dc32 | 9728 | && (!on |
791f420f JR |
9729 | || w->phys_cursor.x != x |
9730 | || w->phys_cursor.y != y | |
9731 | || new_cursor_type != w->phys_cursor_type)) | |
9732 | x_erase_phys_cursor (w); | |
9733 | ||
9734 | /* If the cursor is now invisible and we want it to be visible, | |
9735 | display it. */ | |
9736 | if (on && !w->phys_cursor_on_p) | |
9737 | { | |
9738 | w->phys_cursor_ascent = glyph_row->ascent; | |
9739 | w->phys_cursor_height = glyph_row->height; | |
9740 | ||
9741 | /* Set phys_cursor_.* before x_draw_.* is called because some | |
9742 | of them may need the information. */ | |
9743 | w->phys_cursor.x = x; | |
9744 | w->phys_cursor.y = glyph_row->y; | |
9745 | w->phys_cursor.hpos = hpos; | |
9746 | w->phys_cursor.vpos = vpos; | |
99558ce8 JR |
9747 | |
9748 | /* If the user wants to use the system caret, make sure our own | |
9749 | cursor remains invisible. */ | |
9750 | if (w32_use_visible_system_caret) | |
9751 | { | |
9752 | if (w->phys_cursor_type != NO_CURSOR) | |
9753 | x_erase_phys_cursor (w); | |
9754 | ||
9755 | new_cursor_type = w->phys_cursor_type = NO_CURSOR; | |
9756 | } | |
9757 | else | |
9758 | w->phys_cursor_type = new_cursor_type; | |
9759 | ||
791f420f JR |
9760 | w->phys_cursor_on_p = 1; |
9761 | ||
abb15ebd JR |
9762 | /* If this is the active cursor, we need to track it with the |
9763 | system caret, so third party software like screen magnifiers | |
9764 | and speech synthesizers can follow the cursor. */ | |
9765 | if (active_cursor) | |
9766 | { | |
99558ce8 | 9767 | HWND hwnd = FRAME_W32_WINDOW (f); |
abb15ebd | 9768 | |
99558ce8 JR |
9769 | w32_system_caret_x |
9770 | = WINDOW_TEXT_TO_FRAME_PIXEL_X (w, w->phys_cursor.x); | |
9771 | w32_system_caret_y | |
9772 | = (WINDOW_TO_FRAME_PIXEL_Y (w, w->phys_cursor.y) | |
9773 | + glyph_row->ascent - w->phys_cursor_ascent); | |
9774 | ||
9775 | /* If the size of the active cursor changed, destroy the old | |
9776 | system caret. */ | |
9777 | if (w32_system_caret_hwnd | |
9778 | && (w32_system_caret_height != w->phys_cursor_height)) | |
9779 | PostMessage (hwnd, WM_EMACS_DESTROY_CARET, 0, 0); | |
9780 | ||
9781 | w32_system_caret_height = w->phys_cursor_height; | |
9782 | ||
9783 | /* Move the system caret. */ | |
9784 | PostMessage (hwnd, WM_EMACS_TRACK_CARET, 0, 0); | |
abb15ebd JR |
9785 | } |
9786 | ||
791f420f | 9787 | switch (new_cursor_type) |
ee78dc32 | 9788 | { |
791f420f JR |
9789 | case HOLLOW_BOX_CURSOR: |
9790 | x_draw_hollow_cursor (w, glyph_row); | |
9791 | break; | |
9792 | ||
9793 | case FILLED_BOX_CURSOR: | |
9794 | x_draw_phys_cursor_glyph (w, glyph_row, DRAW_CURSOR); | |
9795 | break; | |
9796 | ||
9797 | case BAR_CURSOR: | |
9ef2e2cf | 9798 | x_draw_bar_cursor (w, glyph_row, new_cursor_width); |
791f420f | 9799 | break; |
ee78dc32 | 9800 | |
791f420f JR |
9801 | case NO_CURSOR: |
9802 | break; | |
9803 | ||
9804 | default: | |
9805 | abort (); | |
9806 | } | |
ee78dc32 GV |
9807 | } |
9808 | } | |
9809 | ||
689004fa | 9810 | |
791f420f JR |
9811 | /* Display the cursor on window W, or clear it. X and Y are window |
9812 | relative pixel coordinates. HPOS and VPOS are glyph matrix | |
9813 | positions. If W is not the selected window, display a hollow | |
9814 | cursor. ON non-zero means display the cursor at X, Y which | |
9815 | correspond to HPOS, VPOS, otherwise it is cleared. */ | |
9816 | ||
9817 | void | |
9818 | x_display_cursor (w, on, hpos, vpos, x, y) | |
9819 | struct window *w; | |
9820 | int on, hpos, vpos, x, y; | |
ee78dc32 GV |
9821 | { |
9822 | BLOCK_INPUT; | |
791f420f JR |
9823 | x_display_and_set_cursor (w, on, hpos, vpos, x, y); |
9824 | UNBLOCK_INPUT; | |
9825 | } | |
9826 | ||
9827 | ||
9828 | /* Display the cursor on window W, or clear it, according to ON_P. | |
9829 | Don't change the cursor's position. */ | |
9830 | ||
9831 | void | |
9832 | x_update_cursor (f, on_p) | |
9833 | struct frame *f; | |
9834 | int on_p; | |
9835 | { | |
9836 | x_update_cursor_in_window_tree (XWINDOW (f->root_window), on_p); | |
9837 | } | |
9838 | ||
9839 | ||
9840 | /* Call x_update_window_cursor with parameter ON_P on all leaf windows | |
9841 | in the window tree rooted at W. */ | |
ee78dc32 | 9842 | |
791f420f JR |
9843 | static void |
9844 | x_update_cursor_in_window_tree (w, on_p) | |
9845 | struct window *w; | |
9846 | int on_p; | |
9847 | { | |
9848 | while (w) | |
689004fa | 9849 | { |
791f420f JR |
9850 | if (!NILP (w->hchild)) |
9851 | x_update_cursor_in_window_tree (XWINDOW (w->hchild), on_p); | |
9852 | else if (!NILP (w->vchild)) | |
9853 | x_update_cursor_in_window_tree (XWINDOW (w->vchild), on_p); | |
9854 | else | |
9855 | x_update_window_cursor (w, on_p); | |
9856 | ||
9857 | w = NILP (w->next) ? 0 : XWINDOW (w->next); | |
689004fa | 9858 | } |
791f420f | 9859 | } |
689004fa | 9860 | |
ee78dc32 | 9861 | |
791f420f JR |
9862 | /* Switch the display of W's cursor on or off, according to the value |
9863 | of ON. */ | |
9864 | ||
9865 | static void | |
9866 | x_update_window_cursor (w, on) | |
9867 | struct window *w; | |
9868 | int on; | |
9869 | { | |
9ef2e2cf JR |
9870 | /* Don't update cursor in windows whose frame is in the process |
9871 | of being deleted. */ | |
9872 | if (w->current_matrix) | |
9873 | { | |
9874 | BLOCK_INPUT; | |
9875 | x_display_and_set_cursor (w, on, w->phys_cursor.hpos, | |
9876 | w->phys_cursor.vpos, w->phys_cursor.x, | |
9877 | w->phys_cursor.y); | |
9878 | UNBLOCK_INPUT; | |
9879 | } | |
ee78dc32 | 9880 | } |
791f420f JR |
9881 | |
9882 | ||
9ef2e2cf | 9883 | |
ee78dc32 | 9884 | \f |
7f5d1df8 GV |
9885 | /* Icons. */ |
9886 | ||
9887 | int | |
9888 | x_bitmap_icon (f, icon) | |
9889 | struct frame *f; | |
9890 | Lisp_Object icon; | |
9891 | { | |
7f5d1df8 GV |
9892 | HANDLE hicon; |
9893 | ||
9894 | if (FRAME_W32_WINDOW (f) == 0) | |
9895 | return 1; | |
9896 | ||
9897 | if (NILP (icon)) | |
9898 | hicon = LoadIcon (hinst, EMACS_CLASS); | |
9899 | else if (STRINGP (icon)) | |
9900 | hicon = LoadImage (NULL, (LPCTSTR) XSTRING (icon)->data, IMAGE_ICON, 0, 0, | |
9901 | LR_DEFAULTSIZE | LR_LOADFROMFILE); | |
9902 | else if (SYMBOLP (icon)) | |
9903 | { | |
9904 | LPCTSTR name; | |
9905 | ||
9906 | if (EQ (icon, intern ("application"))) | |
9907 | name = (LPCTSTR) IDI_APPLICATION; | |
9908 | else if (EQ (icon, intern ("hand"))) | |
9909 | name = (LPCTSTR) IDI_HAND; | |
9910 | else if (EQ (icon, intern ("question"))) | |
9911 | name = (LPCTSTR) IDI_QUESTION; | |
9912 | else if (EQ (icon, intern ("exclamation"))) | |
9913 | name = (LPCTSTR) IDI_EXCLAMATION; | |
9914 | else if (EQ (icon, intern ("asterisk"))) | |
9915 | name = (LPCTSTR) IDI_ASTERISK; | |
9916 | else if (EQ (icon, intern ("winlogo"))) | |
9917 | name = (LPCTSTR) IDI_WINLOGO; | |
9918 | else | |
9919 | return 1; | |
9920 | ||
9921 | hicon = LoadIcon (NULL, name); | |
9922 | } | |
9923 | else | |
9924 | return 1; | |
9925 | ||
9926 | if (hicon == NULL) | |
9927 | return 1; | |
9928 | ||
791f420f JR |
9929 | PostMessage (FRAME_W32_WINDOW (f), WM_SETICON, (WPARAM) ICON_BIG, |
9930 | (LPARAM) hicon); | |
7f5d1df8 GV |
9931 | |
9932 | return 0; | |
9933 | } | |
9934 | ||
9935 | \f | |
c2cc16fa JR |
9936 | /************************************************************************ |
9937 | Handling X errors | |
9938 | ************************************************************************/ | |
9939 | ||
9940 | /* Display Error Handling functions not used on W32. Listing them here | |
9941 | helps diff stay in step when comparing w32term.c with xterm.c. | |
9942 | ||
9943 | x_error_catcher (display, error) | |
9944 | x_catch_errors (dpy) | |
9945 | x_catch_errors_unwind (old_val) | |
9946 | x_check_errors (dpy, format) | |
9947 | x_had_errors_p (dpy) | |
9948 | x_clear_errors (dpy) | |
9949 | x_uncatch_errors (dpy, count) | |
9950 | x_trace_wire () | |
9951 | x_connection_signal (signalnum) | |
9952 | x_connection_closed (dpy, error_message) | |
9953 | x_error_quitter (display, error) | |
9954 | x_error_handler (display, error) | |
9955 | x_io_error_quitter (display) | |
9956 | ||
9957 | */ | |
9958 | ||
9959 | \f | |
ee78dc32 GV |
9960 | /* Changing the font of the frame. */ |
9961 | ||
9962 | /* Give frame F the font named FONTNAME as its default font, and | |
9963 | return the full name of that font. FONTNAME may be a wildcard | |
9964 | pattern; in that case, we choose some font that fits the pattern. | |
9965 | The return value shows which font we chose. */ | |
9966 | ||
9967 | Lisp_Object | |
9968 | x_new_font (f, fontname) | |
9969 | struct frame *f; | |
9970 | register char *fontname; | |
9971 | { | |
cabb23bc | 9972 | struct font_info *fontp |
93ff4395 | 9973 | = FS_LOAD_FONT (f, 0, fontname, -1); |
ee78dc32 | 9974 | |
cabb23bc | 9975 | if (!fontp) |
791f420f | 9976 | return Qnil; |
ee78dc32 | 9977 | |
cabb23bc | 9978 | FRAME_FONT (f) = (XFontStruct *) (fontp->font); |
791f420f | 9979 | FRAME_BASELINE_OFFSET (f) = fontp->baseline_offset; |
cabb23bc | 9980 | FRAME_FONTSET (f) = -1; |
ee78dc32 GV |
9981 | |
9982 | /* Compute the scroll bar width in character columns. */ | |
9983 | if (f->scroll_bar_pixel_width > 0) | |
9984 | { | |
ec48c3a7 | 9985 | int wid = FONT_WIDTH (FRAME_FONT (f)); |
ee78dc32 GV |
9986 | f->scroll_bar_cols = (f->scroll_bar_pixel_width + wid-1) / wid; |
9987 | } | |
9988 | else | |
ec48c3a7 JR |
9989 | { |
9990 | int wid = FONT_WIDTH (FRAME_FONT (f)); | |
9991 | f->scroll_bar_cols = (14 + wid - 1) / wid; | |
9992 | } | |
ee78dc32 GV |
9993 | |
9994 | /* Now make the frame display the given font. */ | |
fbd6baed | 9995 | if (FRAME_W32_WINDOW (f) != 0) |
ee78dc32 GV |
9996 | { |
9997 | frame_update_line_height (f); | |
49be9f70 JR |
9998 | if (NILP (tip_frame) || XFRAME (tip_frame) != f) |
9999 | x_set_window_size (f, 0, f->width, f->height); | |
ee78dc32 GV |
10000 | } |
10001 | else | |
10002 | /* If we are setting a new frame's font for the first time, | |
10003 | there are no faces yet, so this font's height is the line height. */ | |
ec48c3a7 | 10004 | f->output_data.w32->line_height = FONT_HEIGHT (FRAME_FONT (f)); |
ee78dc32 | 10005 | |
791f420f | 10006 | return build_string (fontp->full_name); |
ee78dc32 GV |
10007 | } |
10008 | \f | |
cabb23bc GV |
10009 | /* Give frame F the fontset named FONTSETNAME as its default font, and |
10010 | return the full name of that fontset. FONTSETNAME may be a wildcard | |
10011 | pattern; in that case, we choose some fontset that fits the pattern. | |
10012 | The return value shows which fontset we chose. */ | |
10013 | ||
10014 | Lisp_Object | |
10015 | x_new_fontset (f, fontsetname) | |
10016 | struct frame *f; | |
10017 | char *fontsetname; | |
10018 | { | |
93ff4395 | 10019 | int fontset = fs_query_fontset (build_string (fontsetname), 0); |
cabb23bc GV |
10020 | Lisp_Object result; |
10021 | ||
10022 | if (fontset < 0) | |
10023 | return Qnil; | |
10024 | ||
10025 | if (FRAME_FONTSET (f) == fontset) | |
10026 | /* This fontset is already set in frame F. There's nothing more | |
10027 | to do. */ | |
93ff4395 | 10028 | return fontset_name (fontset); |
cabb23bc | 10029 | |
93ff4395 | 10030 | result = x_new_font (f, (XSTRING (fontset_ascii (fontset))->data)); |
cabb23bc GV |
10031 | |
10032 | if (!STRINGP (result)) | |
10033 | /* Can't load ASCII font. */ | |
10034 | return Qnil; | |
10035 | ||
10036 | /* Since x_new_font doesn't update any fontset information, do it now. */ | |
10037 | FRAME_FONTSET(f) = fontset; | |
cabb23bc GV |
10038 | |
10039 | return build_string (fontsetname); | |
10040 | } | |
791f420f | 10041 | |
d33c49e8 KS |
10042 | /* Compute actual fringe widths */ |
10043 | ||
10044 | void | |
10045 | x_compute_fringe_widths (f, redraw) | |
10046 | struct frame *f; | |
10047 | int redraw; | |
10048 | { | |
10049 | int o_left = f->output_data.w32->left_fringe_width; | |
10050 | int o_right = f->output_data.w32->right_fringe_width; | |
10051 | int o_cols = f->output_data.w32->fringe_cols; | |
10052 | ||
10053 | Lisp_Object left_fringe = Fassq (Qleft_fringe, f->param_alist); | |
10054 | Lisp_Object right_fringe = Fassq (Qright_fringe, f->param_alist); | |
10055 | int left_fringe_width, right_fringe_width; | |
10056 | ||
10057 | if (!NILP (left_fringe)) | |
10058 | left_fringe = Fcdr (left_fringe); | |
10059 | if (!NILP (right_fringe)) | |
10060 | right_fringe = Fcdr (right_fringe); | |
10061 | ||
10062 | left_fringe_width = ((NILP (left_fringe) || !INTEGERP (left_fringe)) ? 8 : | |
10063 | XINT (left_fringe)); | |
10064 | right_fringe_width = ((NILP (right_fringe) || !INTEGERP (right_fringe)) ? 8 : | |
10065 | XINT (right_fringe)); | |
10066 | ||
10067 | if (left_fringe_width || right_fringe_width) | |
10068 | { | |
10069 | int left_wid = left_fringe_width >= 0 ? left_fringe_width : -left_fringe_width; | |
10070 | int right_wid = right_fringe_width >= 0 ? right_fringe_width : -right_fringe_width; | |
10071 | int conf_wid = left_wid + right_wid; | |
10072 | int font_wid = FONT_WIDTH (f->output_data.w32->font); | |
10073 | int cols = (left_wid + right_wid + font_wid-1) / font_wid; | |
10074 | int real_wid = cols * font_wid; | |
10075 | if (left_wid && right_wid) | |
10076 | { | |
10077 | if (left_fringe_width < 0) | |
10078 | { | |
10079 | /* Left fringe width is fixed, adjust right fringe if necessary */ | |
10080 | f->output_data.w32->left_fringe_width = left_wid; | |
10081 | f->output_data.w32->right_fringe_width = real_wid - left_wid; | |
10082 | } | |
10083 | else if (right_fringe_width < 0) | |
10084 | { | |
10085 | /* Right fringe width is fixed, adjust left fringe if necessary */ | |
10086 | f->output_data.w32->left_fringe_width = real_wid - right_wid; | |
10087 | f->output_data.w32->right_fringe_width = right_wid; | |
10088 | } | |
10089 | else | |
10090 | { | |
10091 | /* Adjust both fringes with an equal amount. | |
10092 | Note that we are doing integer arithmetic here, so don't | |
10093 | lose a pixel if the total width is an odd number. */ | |
10094 | int fill = real_wid - conf_wid; | |
10095 | f->output_data.w32->left_fringe_width = left_wid + fill/2; | |
10096 | f->output_data.w32->right_fringe_width = right_wid + fill - fill/2; | |
10097 | } | |
10098 | } | |
10099 | else if (left_fringe_width) | |
10100 | { | |
10101 | f->output_data.w32->left_fringe_width = real_wid; | |
10102 | f->output_data.w32->right_fringe_width = 0; | |
10103 | } | |
10104 | else | |
10105 | { | |
10106 | f->output_data.w32->left_fringe_width = 0; | |
10107 | f->output_data.w32->right_fringe_width = real_wid; | |
10108 | } | |
10109 | f->output_data.w32->fringe_cols = cols; | |
10110 | f->output_data.w32->fringes_extra = real_wid; | |
10111 | } | |
10112 | else | |
10113 | { | |
10114 | f->output_data.w32->left_fringe_width = 0; | |
10115 | f->output_data.w32->right_fringe_width = 0; | |
10116 | f->output_data.w32->fringe_cols = 0; | |
10117 | f->output_data.w32->fringes_extra = 0; | |
10118 | } | |
10119 | ||
10120 | if (redraw && FRAME_VISIBLE_P (f)) | |
10121 | if (o_left != f->output_data.w32->left_fringe_width || | |
10122 | o_right != f->output_data.w32->right_fringe_width || | |
10123 | o_cols != f->output_data.w32->fringe_cols) | |
10124 | redraw_frame (f); | |
10125 | } | |
c2cc16fa JR |
10126 | \f |
10127 | /*********************************************************************** | |
10128 | TODO: W32 Input Methods | |
10129 | ***********************************************************************/ | |
10130 | /* Listing missing functions from xterm.c helps diff stay in step. | |
791f420f | 10131 | |
c2cc16fa JR |
10132 | xim_destroy_callback (xim, client_data, call_data) |
10133 | xim_open_dpy (dpyinfo, resource_name) | |
10134 | struct xim_inst_t | |
10135 | xim_instantiate_callback (display, client_data, call_data) | |
10136 | xim_initialize (dpyinfo, resource_name) | |
10137 | xim_close_dpy (dpyinfo) | |
791f420f | 10138 | |
c2cc16fa | 10139 | */ |
791f420f | 10140 | |
cabb23bc | 10141 | \f |
689004fa GV |
10142 | /* Calculate the absolute position in frame F |
10143 | from its current recorded position values and gravity. */ | |
10144 | ||
9ef2e2cf | 10145 | void |
ee78dc32 GV |
10146 | x_calc_absolute_position (f) |
10147 | struct frame *f; | |
10148 | { | |
ee78dc32 | 10149 | POINT pt; |
fbd6baed | 10150 | int flags = f->output_data.w32->size_hint_flags; |
ee78dc32 GV |
10151 | |
10152 | pt.x = pt.y = 0; | |
10153 | ||
10154 | /* Find the position of the outside upper-left corner of | |
c2cc16fa JR |
10155 | the inner window, with respect to the outer window. |
10156 | But do this only if we will need the results. */ | |
fbd6baed | 10157 | if (f->output_data.w32->parent_desc != FRAME_W32_DISPLAY_INFO (f)->root_window) |
ee78dc32 GV |
10158 | { |
10159 | BLOCK_INPUT; | |
fbd6baed GV |
10160 | MapWindowPoints (FRAME_W32_WINDOW (f), |
10161 | f->output_data.w32->parent_desc, | |
ee78dc32 GV |
10162 | &pt, 1); |
10163 | UNBLOCK_INPUT; | |
10164 | } | |
10165 | ||
10166 | { | |
10167 | RECT rt; | |
10168 | rt.left = rt.right = rt.top = rt.bottom = 0; | |
10169 | ||
10170 | BLOCK_INPUT; | |
fbd6baed | 10171 | AdjustWindowRect(&rt, f->output_data.w32->dwStyle, |
97c23857 | 10172 | FRAME_EXTERNAL_MENU_BAR (f)); |
ee78dc32 GV |
10173 | UNBLOCK_INPUT; |
10174 | ||
10175 | pt.x += (rt.right - rt.left); | |
10176 | pt.y += (rt.bottom - rt.top); | |
10177 | } | |
10178 | ||
10179 | /* Treat negative positions as relative to the leftmost bottommost | |
10180 | position that fits on the screen. */ | |
10181 | if (flags & XNegative) | |
fbd6baed GV |
10182 | f->output_data.w32->left_pos = (FRAME_W32_DISPLAY_INFO (f)->width |
10183 | - 2 * f->output_data.w32->border_width - pt.x | |
ee78dc32 | 10184 | - PIXEL_WIDTH (f) |
fbd6baed | 10185 | + f->output_data.w32->left_pos); |
158cba56 | 10186 | |
ee78dc32 | 10187 | if (flags & YNegative) |
fbd6baed GV |
10188 | f->output_data.w32->top_pos = (FRAME_W32_DISPLAY_INFO (f)->height |
10189 | - 2 * f->output_data.w32->border_width - pt.y | |
ee78dc32 | 10190 | - PIXEL_HEIGHT (f) |
fbd6baed | 10191 | + f->output_data.w32->top_pos); |
ee78dc32 GV |
10192 | /* The left_pos and top_pos |
10193 | are now relative to the top and left screen edges, | |
10194 | so the flags should correspond. */ | |
fbd6baed | 10195 | f->output_data.w32->size_hint_flags &= ~ (XNegative | YNegative); |
ee78dc32 GV |
10196 | } |
10197 | ||
10198 | /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position, | |
10199 | to really change the position, and 0 when calling from | |
10200 | x_make_frame_visible (in that case, XOFF and YOFF are the current | |
10201 | position values). It is -1 when calling from x_set_frame_parameters, | |
10202 | which means, do adjust for borders but don't change the gravity. */ | |
10203 | ||
9ef2e2cf | 10204 | void |
ee78dc32 GV |
10205 | x_set_offset (f, xoff, yoff, change_gravity) |
10206 | struct frame *f; | |
10207 | register int xoff, yoff; | |
10208 | int change_gravity; | |
10209 | { | |
10210 | int modified_top, modified_left; | |
10211 | ||
10212 | if (change_gravity > 0) | |
10213 | { | |
fbd6baed GV |
10214 | f->output_data.w32->top_pos = yoff; |
10215 | f->output_data.w32->left_pos = xoff; | |
10216 | f->output_data.w32->size_hint_flags &= ~ (XNegative | YNegative); | |
ee78dc32 | 10217 | if (xoff < 0) |
fbd6baed | 10218 | f->output_data.w32->size_hint_flags |= XNegative; |
ee78dc32 | 10219 | if (yoff < 0) |
fbd6baed GV |
10220 | f->output_data.w32->size_hint_flags |= YNegative; |
10221 | f->output_data.w32->win_gravity = NorthWestGravity; | |
ee78dc32 GV |
10222 | } |
10223 | x_calc_absolute_position (f); | |
10224 | ||
10225 | BLOCK_INPUT; | |
10226 | x_wm_set_size_hint (f, (long) 0, 0); | |
10227 | ||
fbd6baed GV |
10228 | modified_left = f->output_data.w32->left_pos; |
10229 | modified_top = f->output_data.w32->top_pos; | |
ee78dc32 | 10230 | |
fbd6baed | 10231 | my_set_window_pos (FRAME_W32_WINDOW (f), |
52cf03a1 GV |
10232 | NULL, |
10233 | modified_left, modified_top, | |
cabb23bc | 10234 | 0, 0, |
689004fa | 10235 | SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE); |
ee78dc32 GV |
10236 | UNBLOCK_INPUT; |
10237 | } | |
10238 | ||
10239 | /* Call this to change the size of frame F's x-window. | |
10240 | If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity | |
10241 | for this size change and subsequent size changes. | |
10242 | Otherwise we leave the window gravity unchanged. */ | |
c2cc16fa | 10243 | |
791f420f | 10244 | void |
ee78dc32 GV |
10245 | x_set_window_size (f, change_gravity, cols, rows) |
10246 | struct frame *f; | |
10247 | int change_gravity; | |
10248 | int cols, rows; | |
10249 | { | |
10250 | int pixelwidth, pixelheight; | |
10251 | ||
10252 | BLOCK_INPUT; | |
10253 | ||
10254 | check_frame_size (f, &rows, &cols); | |
fbd6baed | 10255 | f->output_data.w32->vertical_scroll_bar_extra |
ee78dc32 GV |
10256 | = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f) |
10257 | ? 0 | |
fbd6baed | 10258 | : (FRAME_SCROLL_BAR_COLS (f) * FONT_WIDTH (f->output_data.w32->font))); |
d33c49e8 KS |
10259 | |
10260 | x_compute_fringe_widths (f, 0); | |
10261 | ||
ee78dc32 GV |
10262 | pixelwidth = CHAR_TO_PIXEL_WIDTH (f, cols); |
10263 | pixelheight = CHAR_TO_PIXEL_HEIGHT (f, rows); | |
10264 | ||
fbd6baed | 10265 | f->output_data.w32->win_gravity = NorthWestGravity; |
ee78dc32 GV |
10266 | x_wm_set_size_hint (f, (long) 0, 0); |
10267 | ||
10268 | { | |
10269 | RECT rect; | |
10270 | ||
10271 | rect.left = rect.top = 0; | |
10272 | rect.right = pixelwidth; | |
10273 | rect.bottom = pixelheight; | |
10274 | ||
fbd6baed | 10275 | AdjustWindowRect(&rect, f->output_data.w32->dwStyle, |
97c23857 | 10276 | FRAME_EXTERNAL_MENU_BAR (f)); |
ee78dc32 | 10277 | |
fbd6baed | 10278 | my_set_window_pos (FRAME_W32_WINDOW (f), |
52cf03a1 GV |
10279 | NULL, |
10280 | 0, 0, | |
689004fa GV |
10281 | rect.right - rect.left, |
10282 | rect.bottom - rect.top, | |
10283 | SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE); | |
ee78dc32 GV |
10284 | } |
10285 | ||
10286 | /* Now, strictly speaking, we can't be sure that this is accurate, | |
10287 | but the window manager will get around to dealing with the size | |
10288 | change request eventually, and we'll hear how it went when the | |
10289 | ConfigureNotify event gets here. | |
10290 | ||
10291 | We could just not bother storing any of this information here, | |
10292 | and let the ConfigureNotify event set everything up, but that | |
ec48c3a7 | 10293 | might be kind of confusing to the Lisp code, since size changes |
ee78dc32 | 10294 | wouldn't be reported in the frame parameters until some random |
791f420f JR |
10295 | point in the future when the ConfigureNotify event arrives. |
10296 | ||
10297 | We pass 1 for DELAY since we can't run Lisp code inside of | |
10298 | a BLOCK_INPUT. */ | |
10299 | change_frame_size (f, rows, cols, 0, 1, 0); | |
ee78dc32 GV |
10300 | PIXEL_WIDTH (f) = pixelwidth; |
10301 | PIXEL_HEIGHT (f) = pixelheight; | |
10302 | ||
689004fa GV |
10303 | /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to |
10304 | receive in the ConfigureNotify event; if we get what we asked | |
10305 | for, then the event won't cause the screen to become garbaged, so | |
10306 | we have to make sure to do it here. */ | |
10307 | SET_FRAME_GARBAGED (f); | |
10308 | ||
ee78dc32 | 10309 | /* If cursor was outside the new size, mark it as off. */ |
791f420f | 10310 | mark_window_cursors_off (XWINDOW (f->root_window)); |
ee78dc32 | 10311 | |
689004fa GV |
10312 | /* Clear out any recollection of where the mouse highlighting was, |
10313 | since it might be in a place that's outside the new frame size. | |
10314 | Actually checking whether it is outside is a pain in the neck, | |
10315 | so don't try--just let the highlighting be done afresh with new size. */ | |
31d4844a KH |
10316 | cancel_mouse_face (f); |
10317 | ||
ee78dc32 GV |
10318 | UNBLOCK_INPUT; |
10319 | } | |
10320 | \f | |
10321 | /* Mouse warping. */ | |
10322 | ||
ec48c3a7 JR |
10323 | void x_set_mouse_pixel_position (struct frame *f, int pix_x, int pix_y); |
10324 | ||
10325 | void | |
10326 | x_set_mouse_position (f, x, y) | |
10327 | struct frame *f; | |
10328 | int x, y; | |
10329 | { | |
10330 | int pix_x, pix_y; | |
10331 | ||
10332 | pix_x = CHAR_TO_PIXEL_COL (f, x) + FONT_WIDTH (f->output_data.w32->font) / 2; | |
10333 | pix_y = CHAR_TO_PIXEL_ROW (f, y) + f->output_data.w32->line_height / 2; | |
10334 | ||
10335 | if (pix_x < 0) pix_x = 0; | |
10336 | if (pix_x > PIXEL_WIDTH (f)) pix_x = PIXEL_WIDTH (f); | |
10337 | ||
10338 | if (pix_y < 0) pix_y = 0; | |
10339 | if (pix_y > PIXEL_HEIGHT (f)) pix_y = PIXEL_HEIGHT (f); | |
10340 | ||
10341 | x_set_mouse_pixel_position (f, pix_x, pix_y); | |
10342 | } | |
10343 | ||
1bcd16f2 MB |
10344 | void |
10345 | x_set_mouse_pixel_position (f, pix_x, pix_y) | |
10346 | struct frame *f; | |
10347 | int pix_x, pix_y; | |
10348 | { | |
689004fa GV |
10349 | RECT rect; |
10350 | POINT pt; | |
10351 | ||
1bcd16f2 MB |
10352 | BLOCK_INPUT; |
10353 | ||
689004fa GV |
10354 | GetClientRect (FRAME_W32_WINDOW (f), &rect); |
10355 | pt.x = rect.left + pix_x; | |
10356 | pt.y = rect.top + pix_y; | |
10357 | ClientToScreen (FRAME_W32_WINDOW (f), &pt); | |
1bcd16f2 | 10358 | |
689004fa | 10359 | SetCursorPos (pt.x, pt.y); |
1bcd16f2 MB |
10360 | |
10361 | UNBLOCK_INPUT; | |
10362 | } | |
10363 | ||
ee78dc32 GV |
10364 | \f |
10365 | /* focus shifting, raising and lowering. */ | |
10366 | ||
ec48c3a7 | 10367 | void |
ee78dc32 GV |
10368 | x_focus_on_frame (f) |
10369 | struct frame *f; | |
10370 | { | |
689004fa GV |
10371 | struct w32_display_info *dpyinfo = &one_w32_display_info; |
10372 | ||
10373 | /* Give input focus to frame. */ | |
10374 | BLOCK_INPUT; | |
10375 | #if 0 | |
10376 | /* Try not to change its Z-order if possible. */ | |
10377 | if (x_window_to_frame (dpyinfo, GetForegroundWindow ())) | |
10378 | my_set_focus (f, FRAME_W32_WINDOW (f)); | |
10379 | else | |
10380 | #endif | |
ef0e360f | 10381 | my_set_foreground_window (FRAME_W32_WINDOW (f)); |
689004fa | 10382 | UNBLOCK_INPUT; |
ee78dc32 GV |
10383 | } |
10384 | ||
ec48c3a7 | 10385 | void |
ee78dc32 GV |
10386 | x_unfocus_frame (f) |
10387 | struct frame *f; | |
10388 | { | |
10389 | } | |
10390 | ||
10391 | /* Raise frame F. */ | |
791f420f | 10392 | void |
ee78dc32 GV |
10393 | x_raise_frame (f) |
10394 | struct frame *f; | |
10395 | { | |
689004fa GV |
10396 | BLOCK_INPUT; |
10397 | ||
10398 | /* Strictly speaking, raise-frame should only change the frame's Z | |
10399 | order, leaving input focus unchanged. This is reasonable behaviour | |
10400 | on X where the usual policy is point-to-focus. However, this | |
10401 | behaviour would be very odd on Windows where the usual policy is | |
10402 | click-to-focus. | |
10403 | ||
10404 | On X, if the mouse happens to be over the raised frame, it gets | |
10405 | input focus anyway (so the window with focus will never be | |
10406 | completely obscured) - if not, then just moving the mouse over it | |
10407 | is sufficient to give it focus. On Windows, the user must actually | |
10408 | click on the frame (preferrably the title bar so as not to move | |
10409 | point), which is more awkward. Also, no other Windows program | |
10410 | raises a window to the top but leaves another window (possibly now | |
10411 | completely obscured) with input focus. | |
10412 | ||
10413 | Because there is a system setting on Windows that allows the user | |
10414 | to choose the point to focus policy, we make the strict semantics | |
10415 | optional, but by default we grab focus when raising. */ | |
10416 | ||
10417 | if (NILP (Vw32_grab_focus_on_raise)) | |
ee78dc32 | 10418 | { |
689004fa GV |
10419 | /* The obvious call to my_set_window_pos doesn't work if Emacs is |
10420 | not already the foreground application: the frame is raised | |
10421 | above all other frames belonging to us, but not above the | |
10422 | current top window. To achieve that, we have to resort to this | |
10423 | more cumbersome method. */ | |
10424 | ||
10425 | HDWP handle = BeginDeferWindowPos (2); | |
10426 | if (handle) | |
10427 | { | |
10428 | DeferWindowPos (handle, | |
10429 | FRAME_W32_WINDOW (f), | |
10430 | HWND_TOP, | |
10431 | 0, 0, 0, 0, | |
10432 | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); | |
10433 | ||
10434 | DeferWindowPos (handle, | |
10435 | GetForegroundWindow (), | |
10436 | FRAME_W32_WINDOW (f), | |
10437 | 0, 0, 0, 0, | |
10438 | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); | |
10439 | ||
10440 | EndDeferWindowPos (handle); | |
10441 | } | |
ee78dc32 | 10442 | } |
689004fa GV |
10443 | else |
10444 | { | |
ef0e360f | 10445 | my_set_foreground_window (FRAME_W32_WINDOW (f)); |
689004fa GV |
10446 | } |
10447 | ||
10448 | UNBLOCK_INPUT; | |
ee78dc32 GV |
10449 | } |
10450 | ||
10451 | /* Lower frame F. */ | |
791f420f | 10452 | void |
ee78dc32 GV |
10453 | x_lower_frame (f) |
10454 | struct frame *f; | |
10455 | { | |
689004fa GV |
10456 | BLOCK_INPUT; |
10457 | my_set_window_pos (FRAME_W32_WINDOW (f), | |
10458 | HWND_BOTTOM, | |
10459 | 0, 0, 0, 0, | |
10460 | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE); | |
10461 | UNBLOCK_INPUT; | |
ee78dc32 GV |
10462 | } |
10463 | ||
10464 | static void | |
ec48c3a7 | 10465 | w32_frame_raise_lower (f, raise_flag) |
ee78dc32 | 10466 | FRAME_PTR f; |
ec48c3a7 | 10467 | int raise_flag; |
ee78dc32 | 10468 | { |
7e6ac5b9 AI |
10469 | if (! FRAME_W32_P (f)) |
10470 | return; | |
10471 | ||
ec48c3a7 | 10472 | if (raise_flag) |
ee78dc32 GV |
10473 | x_raise_frame (f); |
10474 | else | |
10475 | x_lower_frame (f); | |
10476 | } | |
10477 | \f | |
10478 | /* Change of visibility. */ | |
10479 | ||
10480 | /* This tries to wait until the frame is really visible. | |
10481 | However, if the window manager asks the user where to position | |
10482 | the frame, this will return before the user finishes doing that. | |
10483 | The frame will not actually be visible at that time, | |
10484 | but it will become visible later when the window manager | |
10485 | finishes with it. */ | |
10486 | ||
ec48c3a7 | 10487 | void |
ee78dc32 GV |
10488 | x_make_frame_visible (f) |
10489 | struct frame *f; | |
10490 | { | |
7f5d1df8 GV |
10491 | Lisp_Object type; |
10492 | ||
ee78dc32 GV |
10493 | BLOCK_INPUT; |
10494 | ||
7f5d1df8 GV |
10495 | type = x_icon_type (f); |
10496 | if (!NILP (type)) | |
10497 | x_bitmap_icon (f, type); | |
10498 | ||
ee78dc32 GV |
10499 | if (! FRAME_VISIBLE_P (f)) |
10500 | { | |
10501 | /* We test FRAME_GARBAGED_P here to make sure we don't | |
10502 | call x_set_offset a second time | |
10503 | if we get to x_make_frame_visible a second time | |
10504 | before the window gets really visible. */ | |
10505 | if (! FRAME_ICONIFIED_P (f) | |
fbd6baed | 10506 | && ! f->output_data.w32->asked_for_visible) |
fbd6baed | 10507 | x_set_offset (f, f->output_data.w32->left_pos, f->output_data.w32->top_pos, 0); |
ee78dc32 | 10508 | |
fbd6baed | 10509 | f->output_data.w32->asked_for_visible = 1; |
52cf03a1 | 10510 | |
4d6e8199 | 10511 | /* my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); */ |
689004fa | 10512 | my_show_window (f, FRAME_W32_WINDOW (f), SW_SHOWNORMAL); |
ee78dc32 GV |
10513 | } |
10514 | ||
10515 | /* Synchronize to ensure Emacs knows the frame is visible | |
10516 | before we do anything else. We do this loop with input not blocked | |
10517 | so that incoming events are handled. */ | |
10518 | { | |
10519 | Lisp_Object frame; | |
791f420f | 10520 | int count; |
ee78dc32 GV |
10521 | |
10522 | /* This must come after we set COUNT. */ | |
10523 | UNBLOCK_INPUT; | |
10524 | ||
10525 | XSETFRAME (frame, f); | |
10526 | ||
791f420f JR |
10527 | /* Wait until the frame is visible. Process X events until a |
10528 | MapNotify event has been seen, or until we think we won't get a | |
10529 | MapNotify at all.. */ | |
10530 | for (count = input_signal_count + 10; | |
10531 | input_signal_count < count && !FRAME_VISIBLE_P (f);) | |
ee78dc32 | 10532 | { |
791f420f | 10533 | /* Force processing of queued events. */ |
01b220b6 | 10534 | /* TODO: x_sync equivalent? */ |
791f420f | 10535 | |
ee78dc32 GV |
10536 | /* Machines that do polling rather than SIGIO have been observed |
10537 | to go into a busy-wait here. So we'll fake an alarm signal | |
10538 | to let the handler know that there's something to be read. | |
10539 | We used to raise a real alarm, but it seems that the handler | |
10540 | isn't always enabled here. This is probably a bug. */ | |
10541 | if (input_polling_used ()) | |
10542 | { | |
10543 | /* It could be confusing if a real alarm arrives while processing | |
10544 | the fake one. Turn it off and let the handler reset it. */ | |
a9b4e0ec AI |
10545 | int old_poll_suppress_count = poll_suppress_count; |
10546 | poll_suppress_count = 1; | |
10547 | poll_for_input_1 (); | |
10548 | poll_suppress_count = old_poll_suppress_count; | |
ee78dc32 | 10549 | } |
ee78dc32 GV |
10550 | } |
10551 | FRAME_SAMPLE_VISIBILITY (f); | |
10552 | } | |
10553 | } | |
10554 | ||
10555 | /* Change from mapped state to withdrawn state. */ | |
10556 | ||
10557 | /* Make the frame visible (mapped and not iconified). */ | |
10558 | ||
10559 | x_make_frame_invisible (f) | |
10560 | struct frame *f; | |
10561 | { | |
ee78dc32 | 10562 | /* Don't keep the highlight on an invisible frame. */ |
fbd6baed GV |
10563 | if (FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame == f) |
10564 | FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame = 0; | |
ee78dc32 GV |
10565 | |
10566 | BLOCK_INPUT; | |
10567 | ||
689004fa | 10568 | my_show_window (f, FRAME_W32_WINDOW (f), SW_HIDE); |
ee78dc32 GV |
10569 | |
10570 | /* We can't distinguish this from iconification | |
10571 | just by the event that we get from the server. | |
10572 | So we can't win using the usual strategy of letting | |
10573 | FRAME_SAMPLE_VISIBILITY set this. So do it by hand, | |
10574 | and synchronize with the server to make sure we agree. */ | |
10575 | f->visible = 0; | |
10576 | FRAME_ICONIFIED_P (f) = 0; | |
10577 | f->async_visible = 0; | |
10578 | f->async_iconified = 0; | |
10579 | ||
10580 | UNBLOCK_INPUT; | |
10581 | } | |
10582 | ||
10583 | /* Change window state from mapped to iconified. */ | |
10584 | ||
52cf03a1 GV |
10585 | void |
10586 | x_iconify_frame (f) | |
ee78dc32 GV |
10587 | struct frame *f; |
10588 | { | |
7f5d1df8 | 10589 | Lisp_Object type; |
ee78dc32 GV |
10590 | |
10591 | /* Don't keep the highlight on an invisible frame. */ | |
fbd6baed GV |
10592 | if (FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame == f) |
10593 | FRAME_W32_DISPLAY_INFO (f)->w32_highlight_frame = 0; | |
ee78dc32 GV |
10594 | |
10595 | if (f->async_iconified) | |
10596 | return; | |
10597 | ||
10598 | BLOCK_INPUT; | |
10599 | ||
7f5d1df8 GV |
10600 | type = x_icon_type (f); |
10601 | if (!NILP (type)) | |
10602 | x_bitmap_icon (f, type); | |
10603 | ||
689004fa | 10604 | /* Simulate the user minimizing the frame. */ |
4934bcdd | 10605 | SendMessage (FRAME_W32_WINDOW (f), WM_SYSCOMMAND, SC_MINIMIZE, 0); |
ee78dc32 GV |
10606 | |
10607 | UNBLOCK_INPUT; | |
10608 | } | |
c2cc16fa | 10609 | |
ee78dc32 | 10610 | \f |
25badd7a | 10611 | /* Free X resources of frame F. */ |
ee78dc32 | 10612 | |
25badd7a AI |
10613 | void |
10614 | x_free_frame_resources (f) | |
ee78dc32 GV |
10615 | struct frame *f; |
10616 | { | |
fbd6baed | 10617 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); |
ee78dc32 GV |
10618 | |
10619 | BLOCK_INPUT; | |
10620 | ||
25badd7a AI |
10621 | if (FRAME_W32_WINDOW (f)) |
10622 | my_destroy_window (f, FRAME_W32_WINDOW (f)); | |
10623 | ||
ee78dc32 | 10624 | free_frame_menubar (f); |
ee78dc32 | 10625 | |
25badd7a AI |
10626 | unload_color (f, f->output_data.x->foreground_pixel); |
10627 | unload_color (f, f->output_data.x->background_pixel); | |
10628 | unload_color (f, f->output_data.w32->cursor_pixel); | |
10629 | unload_color (f, f->output_data.w32->cursor_foreground_pixel); | |
10630 | unload_color (f, f->output_data.w32->border_pixel); | |
10631 | unload_color (f, f->output_data.w32->mouse_pixel); | |
c2cc16fa JR |
10632 | if (f->output_data.w32->white_relief.allocated_p) |
10633 | unload_color (f, f->output_data.w32->white_relief.pixel); | |
10634 | if (f->output_data.w32->black_relief.allocated_p) | |
10635 | unload_color (f, f->output_data.w32->black_relief.pixel); | |
10636 | ||
25badd7a AI |
10637 | if (FRAME_FACE_CACHE (f)) |
10638 | free_frame_faces (f); | |
10639 | ||
fbd6baed | 10640 | xfree (f->output_data.w32); |
25badd7a AI |
10641 | f->output_data.w32 = NULL; |
10642 | ||
fbd6baed GV |
10643 | if (f == dpyinfo->w32_focus_frame) |
10644 | dpyinfo->w32_focus_frame = 0; | |
10645 | if (f == dpyinfo->w32_focus_event_frame) | |
10646 | dpyinfo->w32_focus_event_frame = 0; | |
10647 | if (f == dpyinfo->w32_highlight_frame) | |
10648 | dpyinfo->w32_highlight_frame = 0; | |
ee78dc32 | 10649 | |
ee78dc32 GV |
10650 | if (f == dpyinfo->mouse_face_mouse_frame) |
10651 | { | |
10652 | dpyinfo->mouse_face_beg_row | |
10653 | = dpyinfo->mouse_face_beg_col = -1; | |
10654 | dpyinfo->mouse_face_end_row | |
10655 | = dpyinfo->mouse_face_end_col = -1; | |
10656 | dpyinfo->mouse_face_window = Qnil; | |
25badd7a AI |
10657 | dpyinfo->mouse_face_deferred_gc = 0; |
10658 | dpyinfo->mouse_face_mouse_frame = 0; | |
ee78dc32 GV |
10659 | } |
10660 | ||
10661 | UNBLOCK_INPUT; | |
10662 | } | |
25badd7a AI |
10663 | |
10664 | ||
10665 | /* Destroy the window of frame F. */ | |
10666 | ||
10667 | x_destroy_window (f) | |
10668 | struct frame *f; | |
10669 | { | |
10670 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
10671 | ||
10672 | x_free_frame_resources (f); | |
10673 | ||
10674 | dpyinfo->reference_count--; | |
10675 | } | |
c2cc16fa | 10676 | |
ee78dc32 GV |
10677 | \f |
10678 | /* Setting window manager hints. */ | |
10679 | ||
10680 | /* Set the normal size hints for the window manager, for frame F. | |
10681 | FLAGS is the flags word to use--or 0 meaning preserve the flags | |
10682 | that the window now has. | |
10683 | If USER_POSITION is nonzero, we set the USPosition | |
10684 | flag (this is useful when FLAGS is 0). */ | |
791f420f | 10685 | void |
ee78dc32 GV |
10686 | x_wm_set_size_hint (f, flags, user_position) |
10687 | struct frame *f; | |
10688 | long flags; | |
10689 | int user_position; | |
10690 | { | |
fbd6baed | 10691 | Window window = FRAME_W32_WINDOW (f); |
ee78dc32 | 10692 | |
97c23857 | 10693 | enter_crit (); |
ee78dc32 | 10694 | |
689004fa GV |
10695 | SetWindowLong (window, WND_FONTWIDTH_INDEX, FONT_WIDTH (f->output_data.w32->font)); |
10696 | SetWindowLong (window, WND_LINEHEIGHT_INDEX, f->output_data.w32->line_height); | |
10697 | SetWindowLong (window, WND_BORDER_INDEX, f->output_data.w32->internal_border_width); | |
10698 | SetWindowLong (window, WND_SCROLLBAR_INDEX, f->output_data.w32->vertical_scroll_bar_extra); | |
ee78dc32 | 10699 | |
97c23857 | 10700 | leave_crit (); |
ee78dc32 GV |
10701 | } |
10702 | ||
10703 | /* Window manager things */ | |
10704 | x_wm_set_icon_position (f, icon_x, icon_y) | |
10705 | struct frame *f; | |
10706 | int icon_x, icon_y; | |
10707 | { | |
10708 | #if 0 | |
fbd6baed | 10709 | Window window = FRAME_W32_WINDOW (f); |
ee78dc32 GV |
10710 | |
10711 | f->display.x->wm_hints.flags |= IconPositionHint; | |
10712 | f->display.x->wm_hints.icon_x = icon_x; | |
10713 | f->display.x->wm_hints.icon_y = icon_y; | |
10714 | ||
10715 | XSetWMHints (FRAME_X_DISPLAY (f), window, &f->display.x->wm_hints); | |
10716 | #endif | |
10717 | } | |
10718 | ||
c2cc16fa JR |
10719 | \f |
10720 | /*********************************************************************** | |
10721 | Fonts | |
10722 | ***********************************************************************/ | |
10723 | ||
10724 | /* The following functions are listed here to help diff stay in step | |
10725 | with xterm.c. See w32fns.c for definitions. | |
10726 | ||
10727 | x_get_font_info (f, font_idx) | |
10728 | x_list_fonts (f, pattern, size, maxnames) | |
10729 | ||
10730 | */ | |
10731 | ||
10732 | #if GLYPH_DEBUG | |
10733 | ||
10734 | /* Check that FONT is valid on frame F. It is if it can be found in F's | |
10735 | font table. */ | |
10736 | ||
10737 | static void | |
10738 | x_check_font (f, font) | |
10739 | struct frame *f; | |
10740 | XFontStruct *font; | |
10741 | { | |
10742 | int i; | |
10743 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
10744 | ||
10745 | xassert (font != NULL); | |
9ef2e2cf | 10746 | |
c2cc16fa JR |
10747 | for (i = 0; i < dpyinfo->n_fonts; i++) |
10748 | if (dpyinfo->font_table[i].name | |
10749 | && font == dpyinfo->font_table[i].font) | |
10750 | break; | |
10751 | ||
10752 | xassert (i < dpyinfo->n_fonts); | |
10753 | } | |
10754 | ||
10755 | #endif /* GLYPH_DEBUG != 0 */ | |
10756 | ||
10757 | /* Set *W to the minimum width, *H to the minimum font height of FONT. | |
10758 | Note: There are (broken) X fonts out there with invalid XFontStruct | |
10759 | min_bounds contents. For example, handa@etl.go.jp reports that | |
10760 | "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts | |
10761 | have font->min_bounds.width == 0. */ | |
10762 | ||
10763 | static INLINE void | |
10764 | x_font_min_bounds (font, w, h) | |
10765 | XFontStruct *font; | |
10766 | int *w, *h; | |
10767 | { | |
10768 | /* | |
10769 | * TODO: Windows does not appear to offer min bound, only | |
10770 | * average and maximum width, and maximum height. | |
10771 | */ | |
10772 | *h = FONT_HEIGHT (font); | |
10773 | *w = FONT_WIDTH (font); | |
10774 | } | |
10775 | ||
10776 | ||
10777 | /* Compute the smallest character width and smallest font height over | |
10778 | all fonts available on frame F. Set the members smallest_char_width | |
10779 | and smallest_font_height in F's x_display_info structure to | |
10780 | the values computed. Value is non-zero if smallest_font_height or | |
10781 | smallest_char_width become smaller than they were before. */ | |
10782 | ||
10783 | int | |
10784 | x_compute_min_glyph_bounds (f) | |
10785 | struct frame *f; | |
10786 | { | |
10787 | int i; | |
10788 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
10789 | XFontStruct *font; | |
10790 | int old_width = dpyinfo->smallest_char_width; | |
10791 | int old_height = dpyinfo->smallest_font_height; | |
10792 | ||
10793 | dpyinfo->smallest_font_height = 100000; | |
10794 | dpyinfo->smallest_char_width = 100000; | |
10795 | ||
10796 | for (i = 0; i < dpyinfo->n_fonts; ++i) | |
10797 | if (dpyinfo->font_table[i].name) | |
10798 | { | |
10799 | struct font_info *fontp = dpyinfo->font_table + i; | |
10800 | int w, h; | |
10801 | ||
10802 | font = (XFontStruct *) fontp->font; | |
10803 | xassert (font != (XFontStruct *) ~0); | |
10804 | x_font_min_bounds (font, &w, &h); | |
10805 | ||
10806 | dpyinfo->smallest_font_height = min (dpyinfo->smallest_font_height, h); | |
10807 | dpyinfo->smallest_char_width = min (dpyinfo->smallest_char_width, w); | |
10808 | } | |
10809 | ||
10810 | xassert (dpyinfo->smallest_char_width > 0 | |
10811 | && dpyinfo->smallest_font_height > 0); | |
10812 | ||
10813 | return (dpyinfo->n_fonts == 1 | |
10814 | || dpyinfo->smallest_char_width < old_width | |
10815 | || dpyinfo->smallest_font_height < old_height); | |
10816 | } | |
10817 | ||
10818 | /* The following functions are listed here to help diff stay in step | |
10819 | with xterm.c. See w32fns.c for definitions. | |
10820 | ||
10821 | x_load_font (f, fontname, size) | |
10822 | x_query_font (f, fontname) | |
10823 | x_find_ccl_program (fontp) | |
10824 | ||
10825 | */ | |
ee78dc32 | 10826 | \f |
791f420f JR |
10827 | /*********************************************************************** |
10828 | Initialization | |
10829 | ***********************************************************************/ | |
ee78dc32 | 10830 | |
fbd6baed | 10831 | static int w32_initialized = 0; |
ee78dc32 | 10832 | |
f7737f5d JR |
10833 | void |
10834 | w32_initialize_display_info (display_name) | |
10835 | Lisp_Object display_name; | |
10836 | { | |
10837 | struct w32_display_info *dpyinfo = &one_w32_display_info; | |
10838 | ||
10839 | bzero (dpyinfo, sizeof (*dpyinfo)); | |
10840 | ||
10841 | /* Put it on w32_display_name_list. */ | |
10842 | w32_display_name_list = Fcons (Fcons (display_name, Qnil), | |
10843 | w32_display_name_list); | |
10844 | dpyinfo->name_list_element = XCAR (w32_display_name_list); | |
10845 | ||
10846 | dpyinfo->w32_id_name | |
10847 | = (char *) xmalloc (XSTRING (Vinvocation_name)->size | |
10848 | + XSTRING (Vsystem_name)->size | |
10849 | + 2); | |
10850 | sprintf (dpyinfo->w32_id_name, "%s@%s", | |
10851 | XSTRING (Vinvocation_name)->data, XSTRING (Vsystem_name)->data); | |
10852 | ||
10853 | /* Default Console mode values - overridden when running in GUI mode | |
10854 | with values obtained from system metrics. */ | |
10855 | dpyinfo->resx = 1; | |
10856 | dpyinfo->resy = 1; | |
10857 | dpyinfo->height_in = 1; | |
10858 | dpyinfo->width_in = 1; | |
10859 | dpyinfo->n_planes = 1; | |
10860 | dpyinfo->n_cbits = 4; | |
10861 | dpyinfo->n_fonts = 0; | |
10862 | dpyinfo->smallest_font_height = 1; | |
10863 | dpyinfo->smallest_char_width = 1; | |
10864 | ||
10865 | dpyinfo->mouse_face_beg_row = dpyinfo->mouse_face_beg_col = -1; | |
10866 | dpyinfo->mouse_face_end_row = dpyinfo->mouse_face_end_col = -1; | |
10867 | dpyinfo->mouse_face_face_id = DEFAULT_FACE_ID; | |
10868 | dpyinfo->mouse_face_window = Qnil; | |
9f5a911b | 10869 | dpyinfo->mouse_face_overlay = Qnil; |
3d26a7c2 | 10870 | dpyinfo->mouse_face_hidden = 0; |
01b220b6 | 10871 | /* TODO: dpyinfo->gray */ |
f7737f5d JR |
10872 | |
10873 | } | |
10874 | ||
fbd6baed GV |
10875 | struct w32_display_info * |
10876 | w32_term_init (display_name, xrm_option, resource_name) | |
ee78dc32 GV |
10877 | Lisp_Object display_name; |
10878 | char *xrm_option; | |
10879 | char *resource_name; | |
10880 | { | |
fbd6baed | 10881 | struct w32_display_info *dpyinfo; |
ee78dc32 | 10882 | HDC hdc; |
97c23857 | 10883 | |
ee78dc32 GV |
10884 | BLOCK_INPUT; |
10885 | ||
fbd6baed | 10886 | if (!w32_initialized) |
ee78dc32 | 10887 | { |
fbd6baed GV |
10888 | w32_initialize (); |
10889 | w32_initialized = 1; | |
ee78dc32 GV |
10890 | } |
10891 | ||
10892 | { | |
10893 | int argc = 0; | |
10894 | char *argv[3]; | |
10895 | ||
10896 | argv[0] = ""; | |
10897 | argc = 1; | |
10898 | if (xrm_option) | |
10899 | { | |
10900 | argv[argc++] = "-xrm"; | |
10901 | argv[argc++] = xrm_option; | |
10902 | } | |
10903 | } | |
10904 | ||
f7737f5d | 10905 | w32_initialize_display_info (display_name); |
ee78dc32 | 10906 | |
f7737f5d | 10907 | dpyinfo = &one_w32_display_info; |
8c3b00cb AI |
10908 | |
10909 | /* Put this display on the chain. */ | |
10910 | dpyinfo->next = x_display_list; | |
10911 | x_display_list = dpyinfo; | |
ee78dc32 | 10912 | |
52cf03a1 | 10913 | hdc = GetDC (GetDesktopWindow ()); |
791f420f | 10914 | |
ee78dc32 GV |
10915 | dpyinfo->height = GetDeviceCaps (hdc, VERTRES); |
10916 | dpyinfo->width = GetDeviceCaps (hdc, HORZRES); | |
10917 | dpyinfo->root_window = GetDesktopWindow (); | |
10918 | dpyinfo->n_planes = GetDeviceCaps (hdc, PLANES); | |
10919 | dpyinfo->n_cbits = GetDeviceCaps (hdc, BITSPIXEL); | |
55689ab1 JR |
10920 | dpyinfo->resx = GetDeviceCaps (hdc, LOGPIXELSX); |
10921 | dpyinfo->resy = GetDeviceCaps (hdc, LOGPIXELSY); | |
52cf03a1 | 10922 | dpyinfo->has_palette = GetDeviceCaps (hdc, RASTERCAPS) & RC_PALETTE; |
791f420f | 10923 | dpyinfo->image_cache = make_image_cache (); |
55689ab1 JR |
10924 | dpyinfo->height_in = dpyinfo->height / dpyinfo->resx; |
10925 | dpyinfo->width_in = dpyinfo->width / dpyinfo->resy; | |
ee78dc32 | 10926 | ReleaseDC (GetDesktopWindow (), hdc); |
52cf03a1 GV |
10927 | |
10928 | /* initialise palette with white and black */ | |
10929 | { | |
10930 | COLORREF color; | |
55689ab1 JR |
10931 | w32_defined_color (0, "white", &color, 1); |
10932 | w32_defined_color (0, "black", &color, 1); | |
52cf03a1 GV |
10933 | } |
10934 | ||
f7737f5d JR |
10935 | /* Create Row Bitmaps and store them for later use. */ |
10936 | left_bmp = CreateBitmap (left_width, left_height, 1, 1, left_bits); | |
10937 | ov_bmp = CreateBitmap (ov_width, ov_height, 1, 1, ov_bits); | |
10938 | right_bmp = CreateBitmap (right_width, right_height, 1, 1, right_bits); | |
10939 | continued_bmp = CreateBitmap (continued_width, continued_height, 1, | |
10940 | 1, continued_bits); | |
10941 | continuation_bmp = CreateBitmap (continuation_width, continuation_height, | |
10942 | 1, 1, continuation_bits); | |
10943 | zv_bmp = CreateBitmap (zv_width, zv_height, 1, 1, zv_bits); | |
10944 | ||
ee78dc32 GV |
10945 | #ifndef F_SETOWN_BUG |
10946 | #ifdef F_SETOWN | |
10947 | #ifdef F_SETOWN_SOCK_NEG | |
10948 | /* stdin is a socket here */ | |
10949 | fcntl (connection, F_SETOWN, -getpid ()); | |
10950 | #else /* ! defined (F_SETOWN_SOCK_NEG) */ | |
10951 | fcntl (connection, F_SETOWN, getpid ()); | |
10952 | #endif /* ! defined (F_SETOWN_SOCK_NEG) */ | |
10953 | #endif /* ! defined (F_SETOWN) */ | |
10954 | #endif /* F_SETOWN_BUG */ | |
10955 | ||
10956 | #ifdef SIGIO | |
10957 | if (interrupt_input) | |
10958 | init_sigio (connection); | |
10959 | #endif /* ! defined (SIGIO) */ | |
10960 | ||
10961 | UNBLOCK_INPUT; | |
10962 | ||
10963 | return dpyinfo; | |
10964 | } | |
10965 | \f | |
10966 | /* Get rid of display DPYINFO, assuming all frames are already gone. */ | |
10967 | ||
10968 | void | |
10969 | x_delete_display (dpyinfo) | |
fbd6baed | 10970 | struct w32_display_info *dpyinfo; |
ee78dc32 | 10971 | { |
fbd6baed | 10972 | /* Discard this display from w32_display_name_list and w32_display_list. |
ee78dc32 | 10973 | We can't use Fdelq because that can quit. */ |
fbd6baed | 10974 | if (! NILP (w32_display_name_list) |
8e713be6 KR |
10975 | && EQ (XCAR (w32_display_name_list), dpyinfo->name_list_element)) |
10976 | w32_display_name_list = XCDR (w32_display_name_list); | |
ee78dc32 GV |
10977 | else |
10978 | { | |
10979 | Lisp_Object tail; | |
10980 | ||
fbd6baed | 10981 | tail = w32_display_name_list; |
8e713be6 | 10982 | while (CONSP (tail) && CONSP (XCDR (tail))) |
ee78dc32 | 10983 | { |
f7737f5d | 10984 | if (EQ (XCAR (XCDR (tail)), dpyinfo->name_list_element)) |
ee78dc32 | 10985 | { |
f3fbd155 | 10986 | XSETCDR (tail, XCDR (XCDR (tail))); |
ee78dc32 GV |
10987 | break; |
10988 | } | |
8e713be6 | 10989 | tail = XCDR (tail); |
ee78dc32 GV |
10990 | } |
10991 | } | |
10992 | ||
52cf03a1 GV |
10993 | /* free palette table */ |
10994 | { | |
fbd6baed | 10995 | struct w32_palette_entry * plist; |
52cf03a1 GV |
10996 | |
10997 | plist = dpyinfo->color_list; | |
10998 | while (plist) | |
10999 | { | |
fbd6baed | 11000 | struct w32_palette_entry * pentry = plist; |
52cf03a1 | 11001 | plist = plist->next; |
9127e20e | 11002 | xfree (pentry); |
52cf03a1 GV |
11003 | } |
11004 | dpyinfo->color_list = NULL; | |
11005 | if (dpyinfo->palette) | |
11006 | DeleteObject(dpyinfo->palette); | |
11007 | } | |
ee78dc32 | 11008 | xfree (dpyinfo->font_table); |
fbd6baed | 11009 | xfree (dpyinfo->w32_id_name); |
f7737f5d JR |
11010 | |
11011 | /* Destroy row bitmaps. */ | |
11012 | DeleteObject (left_bmp); | |
11013 | DeleteObject (ov_bmp); | |
11014 | DeleteObject (right_bmp); | |
11015 | DeleteObject (continued_bmp); | |
11016 | DeleteObject (continuation_bmp); | |
11017 | DeleteObject (zv_bmp); | |
ee78dc32 GV |
11018 | } |
11019 | \f | |
fbd6baed | 11020 | /* Set up use of W32. */ |
ee78dc32 | 11021 | |
689004fa | 11022 | DWORD w32_msg_worker (); |
ee78dc32 | 11023 | |
791f420f JR |
11024 | void |
11025 | x_flush (struct frame * f) | |
11026 | { /* Nothing to do */ } | |
11027 | ||
11028 | static struct redisplay_interface w32_redisplay_interface = | |
11029 | { | |
11030 | x_produce_glyphs, | |
11031 | x_write_glyphs, | |
11032 | x_insert_glyphs, | |
11033 | x_clear_end_of_line, | |
11034 | x_scroll_run, | |
11035 | x_after_update_window_line, | |
11036 | x_update_window_begin, | |
11037 | x_update_window_end, | |
11038 | w32_cursor_to, | |
11039 | x_flush, | |
ec48c3a7 | 11040 | x_clear_mouse_face, |
791f420f JR |
11041 | x_get_glyph_overhangs, |
11042 | x_fix_overlapping_area | |
11043 | }; | |
11044 | ||
11045 | void | |
fbd6baed GV |
11046 | w32_initialize () |
11047 | { | |
791f420f JR |
11048 | rif = &w32_redisplay_interface; |
11049 | ||
96214669 GV |
11050 | /* MSVC does not type K&R functions with no arguments correctly, and |
11051 | so we must explicitly cast them. */ | |
791f420f | 11052 | clear_frame_hook = (void (*)(void)) x_clear_frame; |
96214669 | 11053 | ring_bell_hook = (void (*)(void)) w32_ring_bell; |
791f420f JR |
11054 | update_begin_hook = x_update_begin; |
11055 | update_end_hook = x_update_end; | |
0f32f023 | 11056 | |
ee78dc32 | 11057 | read_socket_hook = w32_read_socket; |
0f32f023 | 11058 | |
fbd6baed | 11059 | frame_up_to_date_hook = w32_frame_up_to_date; |
0f32f023 | 11060 | |
fbd6baed GV |
11061 | mouse_position_hook = w32_mouse_position; |
11062 | frame_rehighlight_hook = w32_frame_rehighlight; | |
11063 | frame_raise_lower_hook = w32_frame_raise_lower; | |
11064 | set_vertical_scroll_bar_hook = w32_set_vertical_scroll_bar; | |
11065 | condemn_scroll_bars_hook = w32_condemn_scroll_bars; | |
11066 | redeem_scroll_bar_hook = w32_redeem_scroll_bar; | |
11067 | judge_scroll_bars_hook = w32_judge_scroll_bars; | |
791f420f | 11068 | estimate_mode_line_height_hook = x_estimate_mode_line_height; |
ee78dc32 GV |
11069 | |
11070 | scroll_region_ok = 1; /* we'll scroll partial frames */ | |
49be9f70 | 11071 | char_ins_del_ok = 1; |
ee78dc32 GV |
11072 | line_ins_del_ok = 1; /* we'll just blt 'em */ |
11073 | fast_clear_end_of_line = 1; /* X does this well */ | |
11074 | memory_below_frame = 0; /* we don't remember what scrolls | |
11075 | off the bottom */ | |
11076 | baud_rate = 19200; | |
11077 | ||
abb15ebd JR |
11078 | w32_system_caret_hwnd = NULL; |
11079 | w32_system_caret_height = 0; | |
abb15ebd JR |
11080 | w32_system_caret_x = 0; |
11081 | w32_system_caret_y = 0; | |
11082 | ||
791f420f JR |
11083 | last_tool_bar_item = -1; |
11084 | any_help_event_p = 0; | |
11085 | ||
689004fa GV |
11086 | /* Initialize input mode: interrupt_input off, no flow control, allow |
11087 | 8 bit character input, standard quit char. */ | |
11088 | Fset_input_mode (Qnil, Qnil, make_number (2), Qnil); | |
ee78dc32 GV |
11089 | |
11090 | /* Create the window thread - it will terminate itself or when the app terminates */ | |
11091 | ||
11092 | init_crit (); | |
11093 | ||
11094 | dwMainThreadId = GetCurrentThreadId (); | |
11095 | DuplicateHandle (GetCurrentProcess (), GetCurrentThread (), | |
11096 | GetCurrentProcess (), &hMainThread, 0, TRUE, DUPLICATE_SAME_ACCESS); | |
11097 | ||
11098 | /* Wait for thread to start */ | |
11099 | ||
11100 | { | |
11101 | MSG msg; | |
11102 | ||
11103 | PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE); | |
11104 | ||
e9e23e23 | 11105 | hWindowsThread = CreateThread (NULL, 0, |
689004fa | 11106 | (LPTHREAD_START_ROUTINE) w32_msg_worker, |
e9e23e23 | 11107 | 0, 0, &dwWindowsThreadId); |
ee78dc32 GV |
11108 | |
11109 | GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE); | |
11110 | } | |
11111 | ||
52cf03a1 | 11112 | /* It is desirable that mainThread should have the same notion of |
e9e23e23 | 11113 | focus window and active window as windowsThread. Unfortunately, the |
52cf03a1 GV |
11114 | following call to AttachThreadInput, which should do precisely what |
11115 | we need, causes major problems when Emacs is linked as a console | |
11116 | program. Unfortunately, we have good reasons for doing that, so | |
e9e23e23 | 11117 | instead we need to send messages to windowsThread to make some API |
52cf03a1 GV |
11118 | calls for us (ones that affect, or depend on, the active/focus |
11119 | window state. */ | |
11120 | #ifdef ATTACH_THREADS | |
e9e23e23 | 11121 | AttachThreadInput (dwMainThreadId, dwWindowsThreadId, TRUE); |
52cf03a1 | 11122 | #endif |
689004fa GV |
11123 | |
11124 | /* Dynamically link to optional system components. */ | |
11125 | { | |
11126 | HANDLE user_lib = LoadLibrary ("user32.dll"); | |
11127 | ||
11128 | #define LOAD_PROC(fn) pfn##fn = (void *) GetProcAddress (user_lib, #fn) | |
11129 | ||
11130 | /* New proportional scroll bar functions. */ | |
9127e20e JR |
11131 | LOAD_PROC (SetScrollInfo); |
11132 | LOAD_PROC (GetScrollInfo); | |
689004fa GV |
11133 | |
11134 | #undef LOAD_PROC | |
11135 | ||
11136 | FreeLibrary (user_lib); | |
11137 | ||
11138 | /* If using proportional scroll bars, ensure handle is at least 5 pixels; | |
11139 | otherwise use the fixed height. */ | |
11140 | vertical_scroll_bar_min_handle = (pfnSetScrollInfo != NULL) ? 5 : | |
11141 | GetSystemMetrics (SM_CYVTHUMB); | |
11142 | ||
11143 | /* For either kind of scroll bar, take account of the arrows; these | |
11144 | effectively form the border of the main scroll bar range. */ | |
11145 | vertical_scroll_bar_top_border = vertical_scroll_bar_bottom_border | |
11146 | = GetSystemMetrics (SM_CYVSCROLL); | |
11147 | } | |
ee78dc32 GV |
11148 | } |
11149 | ||
11150 | void | |
fbd6baed | 11151 | syms_of_w32term () |
ee78dc32 | 11152 | { |
fbd6baed GV |
11153 | staticpro (&w32_display_name_list); |
11154 | w32_display_name_list = Qnil; | |
ee78dc32 GV |
11155 | |
11156 | staticpro (&last_mouse_scroll_bar); | |
11157 | last_mouse_scroll_bar = Qnil; | |
11158 | ||
11159 | staticpro (&Qvendor_specific_keysyms); | |
11160 | Qvendor_specific_keysyms = intern ("vendor-specific-keysyms"); | |
52cf03a1 | 11161 | |
fbd6baed GV |
11162 | DEFVAR_INT ("w32-num-mouse-buttons", |
11163 | &Vw32_num_mouse_buttons, | |
33f09670 | 11164 | doc: /* Number of physical mouse buttons. */); |
fbd6baed | 11165 | Vw32_num_mouse_buttons = Qnil; |
52cf03a1 | 11166 | |
fbd6baed GV |
11167 | DEFVAR_LISP ("w32-swap-mouse-buttons", |
11168 | &Vw32_swap_mouse_buttons, | |
33f09670 JR |
11169 | doc: /* Swap the mapping of middle and right mouse buttons. |
11170 | When nil, middle button is mouse-2 and right button is mouse-3. */); | |
fbd6baed | 11171 | Vw32_swap_mouse_buttons = Qnil; |
689004fa GV |
11172 | |
11173 | DEFVAR_LISP ("w32-grab-focus-on-raise", | |
11174 | &Vw32_grab_focus_on_raise, | |
33f09670 JR |
11175 | doc: /* Raised frame grabs input focus. |
11176 | When t, `raise-frame' grabs input focus as well. This fits well | |
11177 | with the normal Windows click-to-focus policy, but might not be | |
11178 | desirable when using a point-to-focus policy. */); | |
689004fa GV |
11179 | Vw32_grab_focus_on_raise = Qt; |
11180 | ||
11181 | DEFVAR_LISP ("w32-capslock-is-shiftlock", | |
11182 | &Vw32_capslock_is_shiftlock, | |
33f09670 JR |
11183 | doc: /* Apply CapsLock state to non character input keys. |
11184 | When nil, CapsLock only affects normal character input keys. */); | |
689004fa | 11185 | Vw32_capslock_is_shiftlock = Qnil; |
ef0e360f GV |
11186 | |
11187 | DEFVAR_LISP ("w32-recognize-altgr", | |
11188 | &Vw32_recognize_altgr, | |
33f09670 JR |
11189 | doc: /* Recognize right-alt and left-ctrl as AltGr. |
11190 | When nil, the right-alt and left-ctrl key combination is | |
11191 | interpreted normally. */); | |
ef0e360f | 11192 | Vw32_recognize_altgr = Qt; |
bc6af935 | 11193 | |
484fa2c1 GV |
11194 | DEFVAR_BOOL ("w32-enable-unicode-output", |
11195 | &w32_enable_unicode_output, | |
33f09670 JR |
11196 | doc: /* Enable the use of Unicode for text output if non-nil. |
11197 | Unicode output may prevent some third party applications for displaying | |
11198 | Far-East Languages on Windows 95/98 from working properly. | |
11199 | NT uses Unicode internally anyway, so this flag will probably have no | |
11200 | affect on NT machines. */); | |
484fa2c1 | 11201 | w32_enable_unicode_output = 1; |
a1b9438c | 11202 | |
791f420f | 11203 | help_echo = Qnil; |
ec48c3a7 JR |
11204 | staticpro (&help_echo); |
11205 | help_echo_object = Qnil; | |
11206 | staticpro (&help_echo_object); | |
158cba56 JR |
11207 | help_echo_window = Qnil; |
11208 | staticpro (&help_echo_window); | |
791f420f | 11209 | previous_help_echo = Qnil; |
ec48c3a7 | 11210 | staticpro (&previous_help_echo); |
158cba56 | 11211 | help_echo_pos = -1; |
791f420f | 11212 | |
99558ce8 JR |
11213 | DEFVAR_BOOL ("w32-use-visible-system-caret", |
11214 | &w32_use_visible_system_caret, | |
11215 | doc: /* Flag to make the system caret visible. | |
11216 | When this is non-nil, Emacs will indicate the position of point by | |
11217 | using the system caret instead of drawing its own cursor. Some screen | |
11218 | reader software does not track the system cursor properly when it is | |
11219 | invisible, and gets confused by Emacs drawing its own cursor, so this | |
11220 | variable is initialized to t when Emacs detects that screen reader | |
11221 | software is running as it starts up. | |
11222 | ||
11223 | When this variable is set, other variables affecting the appearance of | |
11224 | the cursor have no effect. */); | |
11225 | ||
11226 | /* Initialize w32_use_visible_system_caret based on whether a screen | |
11227 | reader is in use. */ | |
ab76d376 JR |
11228 | if (!SystemParametersInfo (SPI_GETSCREENREADER, 0, |
11229 | &w32_use_visible_system_caret, 0)) | |
11230 | w32_use_visible_system_caret = 0; | |
99558ce8 | 11231 | |
791f420f | 11232 | DEFVAR_BOOL ("x-stretch-cursor", &x_stretch_cursor_p, |
33f09670 JR |
11233 | doc: /* *Non-nil means draw block cursor as wide as the glyph under it. |
11234 | For example, if a block cursor is over a tab, it will be drawn as | |
11235 | wide as that tab on the display. */); | |
791f420f JR |
11236 | x_stretch_cursor_p = 0; |
11237 | ||
9f5a911b JR |
11238 | #if 0 /* TODO: Setting underline position from font properties. */ |
11239 | DEFVAR_BOOL ("x-use-underline-position-properties", | |
11240 | &x_use_underline_position_properties, | |
33f09670 | 11241 | doc: /* *Non-nil means make use of UNDERLINE_POSITION font properties. |
f0529b5b | 11242 | nil means ignore them. If you encounter fonts with bogus |
33f09670 JR |
11243 | UNDERLINE_POSITION font properties, for example 7x13 on XFree prior |
11244 | to 4.1, set this to nil. */); | |
9f5a911b JR |
11245 | x_use_underline_position_properties = 1; |
11246 | #endif | |
11247 | ||
5bf04520 | 11248 | DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars, |
33f09670 | 11249 | doc: /* If not nil, Emacs uses toolkit scroll bars. */); |
5bf04520 | 11250 | Vx_toolkit_scroll_bars = Qt; |
791f420f JR |
11251 | |
11252 | staticpro (&last_mouse_motion_frame); | |
11253 | last_mouse_motion_frame = Qnil; | |
ee78dc32 | 11254 | } |