Commit | Line | Data |
---|---|---|
07bf635f RS |
1 | /* Implements a lightweight menubar widget. |
2 | Copyright (C) 1992 Lucid, Inc. | |
3 | ||
4 | This file is part of the Lucid Widget Library. | |
5 | ||
6 | The Lucid Widget Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2, or (at your option) | |
9 | any later version. | |
10 | ||
11 | The Lucid Widget Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
1fb87c77 KH |
17 | along with GNU Emacs; see the file COPYING. If not, write to the |
18 | Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
07bf635f RS |
20 | |
21 | /* Created by devin@lucid.com */ | |
22 | ||
0f0912e6 PE |
23 | #ifdef HAVE_CONFIG_H |
24 | #include <config.h> | |
25 | #endif | |
26 | ||
07bf635f RS |
27 | #include <stdio.h> |
28 | ||
29 | #include <sys/types.h> | |
30 | #include <X11/Xos.h> | |
31 | #include <X11/IntrinsicP.h> | |
2289f3f4 | 32 | #include <X11/ObjectP.h> |
07bf635f RS |
33 | #include <X11/StringDefs.h> |
34 | #include <X11/cursorfont.h> | |
35 | #include <X11/bitmaps/gray> | |
36 | #include "xlwmenuP.h" | |
fc8fefed | 37 | |
a57a1605 DL |
38 | #ifdef emacs |
39 | /* Defined in xterm.c. */ | |
40 | extern int x_alloc_nearest_color_for_widget __P ((Widget, Colormap, XColor*)); | |
41 | extern int x_catch_errors __P ((Display*)); | |
42 | extern int x_uncatch_errors __P ((Display*, int)); | |
43 | extern int x_had_errors_p __P ((Display*)); | |
44 | extern int x_clear_errors __P ((Display*)); | |
fc8fefed GM |
45 | extern unsigned long x_copy_dpy_color __P ((Display *, Colormap, |
46 | unsigned long)); | |
47 | ||
48 | /* Defined in xfaces.c. */ | |
49 | extern void x_free_dpy_colors __P ((Display *, Screen *, Colormap, | |
50 | unsigned long *pixels, int npixels)); | |
a57a1605 | 51 | #endif |
d398028f PR |
52 | |
53 | static int pointer_grabbed; | |
54 | static XEvent menu_post_event; | |
07bf635f | 55 | |
47d52240 RS |
56 | XFontStruct *xlwmenu_default_font; |
57 | ||
07bf635f RS |
58 | static char |
59 | xlwMenuTranslations [] = | |
ba624d0f RS |
60 | "<BtnDown>: start()\n\ |
61 | <Motion>: drag()\n\ | |
62 | <BtnUp>: select()\n\ | |
63 | <Key>Shift_L: nothing()\n\ | |
64 | <Key>Shift_R: nothing()\n\ | |
65 | <Key>Meta_L: nothing()\n\ | |
66 | <Key>Meta_R: nothing()\n\ | |
67 | <Key>Control_L: nothing()\n\ | |
68 | <Key>Control_R: nothing()\n\ | |
69 | <Key>Hyper_L: nothing()\n\ | |
70 | <Key>Hyper_R: nothing()\n\ | |
71 | <Key>Super_L: nothing()\n\ | |
72 | <Key>Super_R: nothing()\n\ | |
73 | <Key>Alt_L: nothing()\n\ | |
74 | <Key>Alt_R: nothing()\n\ | |
75 | <Key>Caps_Lock: nothing()\n\ | |
76 | <Key>Shift_Lock: nothing()\n\ | |
77 | <KeyUp>Shift_L: nothing()\n\ | |
78 | <KeyUp>Shift_R: nothing()\n\ | |
79 | <KeyUp>Meta_L: nothing()\n\ | |
80 | <KeyUp>Meta_R: nothing()\n\ | |
81 | <KeyUp>Control_L: nothing()\n\ | |
82 | <KeyUp>Control_R: nothing()\n\ | |
83 | <KeyUp>Hyper_L: nothing()\n\ | |
84 | <KeyUp>Hyper_R: nothing()\n\ | |
85 | <KeyUp>Super_L: nothing()\n\ | |
86 | <KeyUp>Super_R: nothing()\n\ | |
87 | <KeyUp>Alt_L: nothing()\n\ | |
88 | <KeyUp>Alt_R: nothing()\n\ | |
89 | <KeyUp>Caps_Lock: nothing()\n\ | |
90 | <KeyUp>Shift_Lock:nothing()\n\ | |
91 | <Key>: key()\n\ | |
92 | <KeyUp>: key()\n\ | |
07bf635f RS |
93 | "; |
94 | ||
95 | #define offset(field) XtOffset(XlwMenuWidget, field) | |
96 | static XtResource | |
97 | xlwMenuResources[] = | |
98 | { | |
99 | {XtNfont, XtCFont, XtRFontStruct, sizeof(XFontStruct *), | |
100 | offset(menu.font),XtRString, "XtDefaultFont"}, | |
101 | {XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel), | |
102 | offset(menu.foreground), XtRString, "XtDefaultForeground"}, | |
103 | {XtNbuttonForeground, XtCButtonForeground, XtRPixel, sizeof(Pixel), | |
104 | offset(menu.button_foreground), XtRString, "XtDefaultForeground"}, | |
105 | {XtNmargin, XtCMargin, XtRDimension, sizeof(Dimension), | |
be06a3df | 106 | offset(menu.margin), XtRImmediate, (XtPointer) 4}, |
07bf635f RS |
107 | {XtNhorizontalSpacing, XtCMargin, XtRDimension, sizeof(Dimension), |
108 | offset(menu.horizontal_spacing), XtRImmediate, (XtPointer)3}, | |
109 | {XtNverticalSpacing, XtCMargin, XtRDimension, sizeof(Dimension), | |
110 | offset(menu.vertical_spacing), XtRImmediate, (XtPointer)1}, | |
111 | {XtNarrowSpacing, XtCMargin, XtRDimension, sizeof(Dimension), | |
112 | offset(menu.arrow_spacing), XtRImmediate, (XtPointer)10}, | |
113 | ||
d398028f | 114 | {XmNshadowThickness, XmCShadowThickness, XtRDimension, |
07bf635f RS |
115 | sizeof (Dimension), offset (menu.shadow_thickness), |
116 | XtRImmediate, (XtPointer) 2}, | |
117 | {XmNtopShadowColor, XmCTopShadowColor, XtRPixel, sizeof (Pixel), | |
118 | offset (menu.top_shadow_color), XtRImmediate, (XtPointer)-1}, | |
119 | {XmNbottomShadowColor, XmCBottomShadowColor, XtRPixel, sizeof (Pixel), | |
120 | offset (menu.bottom_shadow_color), XtRImmediate, (XtPointer)-1}, | |
121 | {XmNtopShadowPixmap, XmCTopShadowPixmap, XtRPixmap, sizeof (Pixmap), | |
122 | offset (menu.top_shadow_pixmap), XtRImmediate, (XtPointer)None}, | |
123 | {XmNbottomShadowPixmap, XmCBottomShadowPixmap, XtRPixmap, sizeof (Pixmap), | |
124 | offset (menu.bottom_shadow_pixmap), XtRImmediate, (XtPointer)None}, | |
125 | ||
126 | {XtNopen, XtCCallback, XtRCallback, sizeof(XtPointer), | |
127 | offset(menu.open), XtRCallback, (XtPointer)NULL}, | |
128 | {XtNselect, XtCCallback, XtRCallback, sizeof(XtPointer), | |
129 | offset(menu.select), XtRCallback, (XtPointer)NULL}, | |
d6fd6371 GM |
130 | {XtNhighlightCallback, XtCCallback, XtRCallback, sizeof(XtPointer), |
131 | offset(menu.highlight), XtRCallback, (XtPointer)NULL}, | |
07bf635f RS |
132 | {XtNmenu, XtCMenu, XtRPointer, sizeof(XtPointer), |
133 | offset(menu.contents), XtRImmediate, (XtPointer)NULL}, | |
134 | {XtNcursor, XtCCursor, XtRCursor, sizeof(Cursor), | |
135 | offset(menu.cursor_shape), XtRString, (XtPointer)"right_ptr"}, | |
136 | {XtNhorizontal, XtCHorizontal, XtRInt, sizeof(int), | |
137 | offset(menu.horizontal), XtRImmediate, (XtPointer)True}, | |
138 | }; | |
139 | #undef offset | |
140 | ||
141 | static Boolean XlwMenuSetValues(); | |
142 | static void XlwMenuRealize(); | |
143 | static void XlwMenuRedisplay(); | |
144 | static void XlwMenuResize(); | |
145 | static void XlwMenuInitialize(); | |
146 | static void XlwMenuRedisplay(); | |
147 | static void XlwMenuDestroy(); | |
148 | static void XlwMenuClassInitialize(); | |
149 | static void Start(); | |
150 | static void Drag(); | |
151 | static void Select(); | |
ba624d0f RS |
152 | static void Key(); |
153 | static void Nothing(); | |
be06a3df | 154 | static int separator_height (); |
07bf635f RS |
155 | |
156 | static XtActionsRec | |
157 | xlwMenuActionsList [] = | |
158 | { | |
159 | {"start", Start}, | |
160 | {"drag", Drag}, | |
161 | {"select", Select}, | |
ba624d0f RS |
162 | {"key", Key}, |
163 | {"nothing", Nothing}, | |
07bf635f RS |
164 | }; |
165 | ||
166 | #define SuperClass ((CoreWidgetClass)&coreClassRec) | |
167 | ||
168 | XlwMenuClassRec xlwMenuClassRec = | |
169 | { | |
170 | { /* CoreClass fields initialization */ | |
171 | (WidgetClass) SuperClass, /* superclass */ | |
172 | "XlwMenu", /* class_name */ | |
173 | sizeof(XlwMenuRec), /* size */ | |
174 | XlwMenuClassInitialize, /* class_initialize */ | |
175 | NULL, /* class_part_initialize */ | |
176 | FALSE, /* class_inited */ | |
177 | XlwMenuInitialize, /* initialize */ | |
178 | NULL, /* initialize_hook */ | |
179 | XlwMenuRealize, /* realize */ | |
180 | xlwMenuActionsList, /* actions */ | |
181 | XtNumber(xlwMenuActionsList), /* num_actions */ | |
182 | xlwMenuResources, /* resources */ | |
183 | XtNumber(xlwMenuResources), /* resource_count */ | |
184 | NULLQUARK, /* xrm_class */ | |
185 | TRUE, /* compress_motion */ | |
186 | TRUE, /* compress_exposure */ | |
187 | TRUE, /* compress_enterleave */ | |
188 | FALSE, /* visible_interest */ | |
189 | XlwMenuDestroy, /* destroy */ | |
190 | XlwMenuResize, /* resize */ | |
191 | XlwMenuRedisplay, /* expose */ | |
192 | XlwMenuSetValues, /* set_values */ | |
193 | NULL, /* set_values_hook */ | |
194 | XtInheritSetValuesAlmost, /* set_values_almost */ | |
195 | NULL, /* get_values_hook */ | |
196 | NULL, /* accept_focus */ | |
197 | XtVersion, /* version */ | |
198 | NULL, /* callback_private */ | |
199 | xlwMenuTranslations, /* tm_table */ | |
200 | XtInheritQueryGeometry, /* query_geometry */ | |
201 | XtInheritDisplayAccelerator, /* display_accelerator */ | |
202 | NULL /* extension */ | |
203 | }, /* XlwMenuClass fields initialization */ | |
204 | { | |
205 | 0 /* dummy */ | |
206 | }, | |
207 | }; | |
208 | ||
209 | WidgetClass xlwMenuWidgetClass = (WidgetClass) &xlwMenuClassRec; | |
210 | ||
d398028f PR |
211 | int submenu_destroyed; |
212 | ||
213 | static int next_release_must_exit; | |
214 | ||
07bf635f | 215 | \f/* Utilities */ |
be06a3df GM |
216 | |
217 | ||
218 | /* Like abort, but remove grabs from widget W before. */ | |
219 | ||
220 | static void | |
221 | abort_gracefully (w) | |
222 | Widget w; | |
223 | { | |
224 | if (XtIsShell (XtParent (w))) | |
225 | XtRemoveGrab (w); | |
226 | XtUngrabPointer (w, CurrentTime); | |
227 | abort (); | |
228 | } | |
229 | ||
07bf635f | 230 | static void |
d398028f PR |
231 | push_new_stack (mw, val) |
232 | XlwMenuWidget mw; | |
233 | widget_value* val; | |
07bf635f RS |
234 | { |
235 | if (!mw->menu.new_stack) | |
236 | { | |
237 | mw->menu.new_stack_length = 10; | |
238 | mw->menu.new_stack = | |
239 | (widget_value**)XtCalloc (mw->menu.new_stack_length, | |
240 | sizeof (widget_value*)); | |
241 | } | |
242 | else if (mw->menu.new_depth == mw->menu.new_stack_length) | |
243 | { | |
244 | mw->menu.new_stack_length *= 2; | |
245 | mw->menu.new_stack = | |
246 | (widget_value**)XtRealloc ((char*)mw->menu.new_stack, | |
247 | mw->menu.new_stack_length * sizeof (widget_value*)); | |
248 | } | |
249 | mw->menu.new_stack [mw->menu.new_depth++] = val; | |
250 | } | |
251 | ||
252 | static void | |
d398028f PR |
253 | pop_new_stack_if_no_contents (mw) |
254 | XlwMenuWidget mw; | |
07bf635f RS |
255 | { |
256 | if (mw->menu.new_depth) | |
257 | { | |
258 | if (!mw->menu.new_stack [mw->menu.new_depth - 1]->contents) | |
259 | mw->menu.new_depth -= 1; | |
260 | } | |
261 | } | |
262 | ||
263 | static void | |
d398028f PR |
264 | make_old_stack_space (mw, n) |
265 | XlwMenuWidget mw; | |
266 | int n; | |
07bf635f RS |
267 | { |
268 | if (!mw->menu.old_stack) | |
269 | { | |
270 | mw->menu.old_stack_length = 10; | |
271 | mw->menu.old_stack = | |
272 | (widget_value**)XtCalloc (mw->menu.old_stack_length, | |
273 | sizeof (widget_value*)); | |
274 | } | |
275 | else if (mw->menu.old_stack_length < n) | |
276 | { | |
277 | mw->menu.old_stack_length *= 2; | |
278 | mw->menu.old_stack = | |
279 | (widget_value**)XtRealloc ((char*)mw->menu.old_stack, | |
280 | mw->menu.old_stack_length * sizeof (widget_value*)); | |
281 | } | |
282 | } | |
283 | ||
284 | \f/* Size code */ | |
d398028f PR |
285 | int |
286 | string_width (mw, s) | |
287 | XlwMenuWidget mw; | |
288 | char *s; | |
07bf635f RS |
289 | { |
290 | XCharStruct xcs; | |
291 | int drop; | |
292 | ||
293 | XTextExtents (mw->menu.font, s, strlen (s), &drop, &drop, &drop, &xcs); | |
294 | return xcs.width; | |
295 | } | |
296 | ||
297 | static int | |
d398028f PR |
298 | arrow_width (mw) |
299 | XlwMenuWidget mw; | |
07bf635f | 300 | { |
be06a3df | 301 | return (mw->menu.font->ascent * 3/4) | 1; |
07bf635f RS |
302 | } |
303 | ||
be06a3df GM |
304 | /* Return the width of toggle buttons of widget MW. */ |
305 | ||
306 | static int | |
307 | toggle_button_width (mw) | |
308 | XlwMenuWidget mw; | |
309 | { | |
310 | return ((mw->menu.font->ascent + mw->menu.font->descent) * 2 / 3) | 1; | |
311 | } | |
312 | ||
313 | ||
314 | /* Return the width of radio buttons of widget MW. */ | |
315 | ||
316 | static int | |
317 | radio_button_width (mw) | |
318 | XlwMenuWidget mw; | |
319 | { | |
320 | return toggle_button_width (mw) * 1.41; | |
321 | } | |
322 | ||
323 | ||
07bf635f RS |
324 | static XtResource |
325 | nameResource[] = | |
326 | { | |
327 | {"labelString", "LabelString", XtRString, sizeof(String), | |
328 | 0, XtRImmediate, 0}, | |
329 | }; | |
330 | ||
331 | static char* | |
d398028f PR |
332 | resource_widget_value (mw, val) |
333 | XlwMenuWidget mw; | |
334 | widget_value *val; | |
07bf635f RS |
335 | { |
336 | if (!val->toolkit_data) | |
337 | { | |
338 | char* resourced_name = NULL; | |
339 | char* complete_name; | |
340 | XtGetSubresources ((Widget) mw, | |
341 | (XtPointer) &resourced_name, | |
342 | val->name, val->name, | |
343 | nameResource, 1, NULL, 0); | |
344 | if (!resourced_name) | |
345 | resourced_name = val->name; | |
346 | if (!val->value) | |
d97342f3 RS |
347 | { |
348 | complete_name = (char *) XtMalloc (strlen (resourced_name) + 1); | |
349 | strcpy (complete_name, resourced_name); | |
350 | } | |
07bf635f RS |
351 | else |
352 | { | |
353 | int complete_length = | |
354 | strlen (resourced_name) + strlen (val->value) + 2; | |
355 | complete_name = XtMalloc (complete_length); | |
356 | *complete_name = 0; | |
357 | strcat (complete_name, resourced_name); | |
358 | strcat (complete_name, " "); | |
359 | strcat (complete_name, val->value); | |
360 | } | |
361 | ||
362 | val->toolkit_data = complete_name; | |
363 | val->free_toolkit_data = True; | |
364 | } | |
365 | return (char*)val->toolkit_data; | |
366 | } | |
367 | ||
368 | /* Returns the sizes of an item */ | |
369 | static void | |
be06a3df GM |
370 | size_menu_item (mw, val, horizontal_p, label_width, rest_width, button_width, |
371 | height) | |
d398028f PR |
372 | XlwMenuWidget mw; |
373 | widget_value* val; | |
374 | int horizontal_p; | |
375 | int* label_width; | |
376 | int* rest_width; | |
be06a3df | 377 | int* button_width; |
d398028f | 378 | int* height; |
07bf635f | 379 | { |
be06a3df GM |
380 | enum menu_separator separator; |
381 | ||
382 | if (lw_separator_p (val->name, &separator, 0)) | |
07bf635f | 383 | { |
be06a3df | 384 | *height = separator_height (separator); |
07bf635f RS |
385 | *label_width = 1; |
386 | *rest_width = 0; | |
be06a3df | 387 | *button_width = 0; |
07bf635f RS |
388 | } |
389 | else | |
390 | { | |
391 | *height = | |
392 | mw->menu.font->ascent + mw->menu.font->descent | |
393 | + 2 * mw->menu.vertical_spacing + 2 * mw->menu.shadow_thickness; | |
394 | ||
395 | *label_width = | |
396 | string_width (mw, resource_widget_value (mw, val)) | |
397 | + mw->menu.horizontal_spacing + mw->menu.shadow_thickness; | |
398 | ||
399 | *rest_width = mw->menu.horizontal_spacing + mw->menu.shadow_thickness; | |
400 | if (!horizontal_p) | |
401 | { | |
402 | if (val->contents) | |
be06a3df | 403 | /* Add width of the arrow displayed for submenus. */ |
07bf635f RS |
404 | *rest_width += arrow_width (mw) + mw->menu.arrow_spacing; |
405 | else if (val->key) | |
be06a3df GM |
406 | /* Add width of key equivalent string. */ |
407 | *rest_width += (string_width (mw, val->key) | |
408 | + mw->menu.arrow_spacing); | |
409 | ||
410 | if (val->button_type == BUTTON_TYPE_TOGGLE) | |
411 | *button_width = (toggle_button_width (mw) | |
412 | + mw->menu.horizontal_spacing); | |
413 | else if (val->button_type == BUTTON_TYPE_RADIO) | |
414 | *button_width = (radio_button_width (mw) | |
415 | + mw->menu.horizontal_spacing); | |
07bf635f RS |
416 | } |
417 | } | |
418 | } | |
419 | ||
420 | static void | |
d398028f PR |
421 | size_menu (mw, level) |
422 | XlwMenuWidget mw; | |
423 | int level; | |
07bf635f | 424 | { |
ccf589a6 | 425 | unsigned int label_width = 0; |
07bf635f | 426 | int rest_width = 0; |
be06a3df | 427 | int button_width = 0; |
07bf635f | 428 | int max_rest_width = 0; |
be06a3df | 429 | int max_button_width = 0; |
ccf589a6 | 430 | unsigned int height = 0; |
07bf635f RS |
431 | int horizontal_p = mw->menu.horizontal && (level == 0); |
432 | widget_value* val; | |
433 | window_state* ws; | |
434 | ||
435 | if (level >= mw->menu.old_depth) | |
be06a3df | 436 | abort_gracefully ((Widget) mw); |
07bf635f RS |
437 | |
438 | ws = &mw->menu.windows [level]; | |
439 | ws->width = 0; | |
440 | ws->height = 0; | |
441 | ws->label_width = 0; | |
be06a3df | 442 | ws->button_width = 0; |
07bf635f RS |
443 | |
444 | for (val = mw->menu.old_stack [level]->contents; val; val = val->next) | |
445 | { | |
446 | size_menu_item (mw, val, horizontal_p, &label_width, &rest_width, | |
be06a3df | 447 | &button_width, &height); |
07bf635f RS |
448 | if (horizontal_p) |
449 | { | |
450 | ws->width += label_width + rest_width; | |
451 | if (height > ws->height) | |
452 | ws->height = height; | |
453 | } | |
454 | else | |
455 | { | |
456 | if (label_width > ws->label_width) | |
457 | ws->label_width = label_width; | |
458 | if (rest_width > max_rest_width) | |
459 | max_rest_width = rest_width; | |
be06a3df GM |
460 | if (button_width > max_button_width) |
461 | max_button_width = button_width; | |
07bf635f RS |
462 | ws->height += height; |
463 | } | |
464 | } | |
465 | ||
466 | if (horizontal_p) | |
be06a3df | 467 | ws->label_width = ws->button_width = 0; |
07bf635f | 468 | else |
be06a3df GM |
469 | { |
470 | ws->width = ws->label_width + max_rest_width + max_button_width; | |
471 | ws->button_width = max_button_width; | |
472 | } | |
07bf635f RS |
473 | |
474 | ws->width += 2 * mw->menu.shadow_thickness; | |
475 | ws->height += 2 * mw->menu.shadow_thickness; | |
be06a3df GM |
476 | |
477 | if (horizontal_p) | |
478 | { | |
479 | ws->width += 2 * mw->menu.margin; | |
480 | ws->height += 2 * mw->menu.margin; | |
481 | } | |
07bf635f RS |
482 | } |
483 | ||
484 | ||
485 | \f/* Display code */ | |
be06a3df | 486 | |
07bf635f | 487 | static void |
be06a3df | 488 | draw_arrow (mw, window, gc, x, y, width, down_p) |
d398028f PR |
489 | XlwMenuWidget mw; |
490 | Window window; | |
491 | GC gc; | |
492 | int x; | |
493 | int y; | |
494 | int width; | |
be06a3df | 495 | int down_p; |
07bf635f | 496 | { |
be06a3df GM |
497 | Display *dpy = XtDisplay (mw); |
498 | GC top_gc = mw->menu.shadow_top_gc; | |
499 | GC bottom_gc = mw->menu.shadow_bottom_gc; | |
500 | int thickness = mw->menu.shadow_thickness; | |
501 | int height = width; | |
502 | XPoint pt[10]; | |
503 | /* alpha = atan (0.5) | |
504 | factor = (1 + sin (alpha)) / cos (alpha) */ | |
505 | double factor = 1.62; | |
506 | int thickness2 = thickness * factor; | |
507 | ||
508 | y += (mw->menu.font->ascent + mw->menu.font->descent - height) / 2; | |
07bf635f | 509 | |
be06a3df GM |
510 | if (down_p) |
511 | { | |
512 | GC temp; | |
513 | temp = top_gc; | |
514 | top_gc = bottom_gc; | |
515 | bottom_gc = temp; | |
516 | } | |
517 | ||
518 | pt[0].x = x; | |
519 | pt[0].y = y + height; | |
520 | pt[1].x = x + thickness; | |
521 | pt[1].y = y + height - thickness2; | |
522 | pt[2].x = x + thickness2; | |
523 | pt[2].y = y + thickness2; | |
524 | pt[3].x = x; | |
525 | pt[3].y = y; | |
526 | XFillPolygon (dpy, window, top_gc, pt, 4, Convex, CoordModeOrigin); | |
527 | ||
528 | pt[0].x = x; | |
529 | pt[0].y = y; | |
530 | pt[1].x = x + thickness; | |
531 | pt[1].y = y + thickness2; | |
532 | pt[2].x = x + width - thickness2; | |
533 | pt[2].y = y + height / 2; | |
534 | pt[3].x = x + width; | |
535 | pt[3].y = y + height / 2; | |
536 | XFillPolygon (dpy, window, top_gc, pt, 4, Convex, CoordModeOrigin); | |
537 | ||
538 | pt[0].x = x; | |
539 | pt[0].y = y + height; | |
540 | pt[1].x = x + thickness; | |
541 | pt[1].y = y + height - thickness2; | |
542 | pt[2].x = x + width - thickness2; | |
543 | pt[2].y = y + height / 2; | |
544 | pt[3].x = x + width; | |
545 | pt[3].y = y + height / 2; | |
546 | XFillPolygon (dpy, window, bottom_gc, pt, 4, Convex, CoordModeOrigin); | |
07bf635f RS |
547 | } |
548 | ||
be06a3df GM |
549 | |
550 | ||
07bf635f | 551 | static void |
be06a3df | 552 | draw_shadow_rectangle (mw, window, x, y, width, height, erase_p, down_p) |
d398028f PR |
553 | XlwMenuWidget mw; |
554 | Window window; | |
555 | int x; | |
556 | int y; | |
557 | int width; | |
558 | int height; | |
559 | int erase_p; | |
be06a3df | 560 | int down_p; |
07bf635f RS |
561 | { |
562 | Display *dpy = XtDisplay (mw); | |
563 | GC top_gc = !erase_p ? mw->menu.shadow_top_gc : mw->menu.background_gc; | |
564 | GC bottom_gc = !erase_p ? mw->menu.shadow_bottom_gc : mw->menu.background_gc; | |
565 | int thickness = mw->menu.shadow_thickness; | |
566 | XPoint points [4]; | |
be06a3df GM |
567 | |
568 | if (!erase_p && down_p) | |
569 | { | |
570 | GC temp; | |
571 | temp = top_gc; | |
572 | top_gc = bottom_gc; | |
573 | bottom_gc = temp; | |
574 | } | |
575 | ||
07bf635f RS |
576 | points [0].x = x; |
577 | points [0].y = y; | |
578 | points [1].x = x + width; | |
579 | points [1].y = y; | |
580 | points [2].x = x + width - thickness; | |
581 | points [2].y = y + thickness; | |
582 | points [3].x = x; | |
583 | points [3].y = y + thickness; | |
584 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
585 | points [0].x = x; | |
586 | points [0].y = y + thickness; | |
587 | points [1].x = x; | |
588 | points [1].y = y + height; | |
589 | points [2].x = x + thickness; | |
590 | points [2].y = y + height - thickness; | |
591 | points [3].x = x + thickness; | |
592 | points [3].y = y + thickness; | |
593 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
594 | points [0].x = x + width; | |
595 | points [0].y = y; | |
596 | points [1].x = x + width - thickness; | |
597 | points [1].y = y + thickness; | |
598 | points [2].x = x + width - thickness; | |
599 | points [2].y = y + height - thickness; | |
600 | points [3].x = x + width; | |
601 | points [3].y = y + height - thickness; | |
602 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
603 | points [0].x = x; | |
604 | points [0].y = y + height; | |
605 | points [1].x = x + width; | |
606 | points [1].y = y + height; | |
607 | points [2].x = x + width; | |
608 | points [2].y = y + height - thickness; | |
609 | points [3].x = x + thickness; | |
610 | points [3].y = y + height - thickness; | |
611 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
612 | } | |
613 | ||
614 | ||
be06a3df GM |
615 | static void |
616 | draw_shadow_rhombus (mw, window, x, y, width, height, erase_p, down_p) | |
617 | XlwMenuWidget mw; | |
618 | Window window; | |
619 | int x; | |
620 | int y; | |
621 | int width; | |
622 | int height; | |
623 | int erase_p; | |
624 | int down_p; | |
625 | { | |
626 | Display *dpy = XtDisplay (mw); | |
627 | GC top_gc = !erase_p ? mw->menu.shadow_top_gc : mw->menu.background_gc; | |
628 | GC bottom_gc = !erase_p ? mw->menu.shadow_bottom_gc : mw->menu.background_gc; | |
629 | int thickness = mw->menu.shadow_thickness; | |
630 | XPoint points [4]; | |
be06a3df GM |
631 | |
632 | if (!erase_p && down_p) | |
633 | { | |
634 | GC temp; | |
635 | temp = top_gc; | |
636 | top_gc = bottom_gc; | |
637 | bottom_gc = temp; | |
638 | } | |
639 | ||
640 | points [0].x = x; | |
641 | points [0].y = y + height / 2; | |
642 | points [1].x = x + thickness; | |
643 | points [1].y = y + height / 2; | |
644 | points [2].x = x + width / 2; | |
645 | points [2].y = y + thickness; | |
646 | points [3].x = x + width / 2; | |
647 | points [3].y = y; | |
648 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
649 | points [0].x = x + width / 2; | |
650 | points [0].y = y; | |
651 | points [1].x = x + width / 2; | |
652 | points [1].y = y + thickness; | |
653 | points [2].x = x + width - thickness; | |
654 | points [2].y = y + height / 2; | |
655 | points [3].x = x + width; | |
656 | points [3].y = y + height / 2; | |
657 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
658 | points [0].x = x; | |
659 | points [0].y = y + height / 2; | |
660 | points [1].x = x + thickness; | |
661 | points [1].y = y + height / 2; | |
662 | points [2].x = x + width / 2; | |
663 | points [2].y = y + height - thickness; | |
664 | points [3].x = x + width / 2; | |
665 | points [3].y = y + height; | |
666 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
667 | points [0].x = x + width / 2; | |
668 | points [0].y = y + height; | |
669 | points [1].x = x + width / 2; | |
670 | points [1].y = y + height - thickness; | |
671 | points [2].x = x + width - thickness; | |
672 | points [2].y = y + height / 2; | |
673 | points [3].x = x + width; | |
674 | points [3].y = y + height / 2; | |
675 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
676 | } | |
677 | ||
678 | ||
679 | /* Draw a toggle button on widget MW, X window WINDOW. X/Y is the | |
680 | top-left corner of the menu item. SELECTED_P non-zero means the | |
681 | toggle button is selected. */ | |
682 | ||
683 | static void | |
684 | draw_toggle (mw, window, x, y, selected_p) | |
685 | XlwMenuWidget mw; | |
686 | Window window; | |
687 | int x, y, selected_p; | |
688 | { | |
689 | int width, height; | |
690 | ||
691 | width = toggle_button_width (mw); | |
692 | height = width; | |
693 | x += mw->menu.horizontal_spacing; | |
694 | y += (mw->menu.font->ascent - height) / 2; | |
695 | draw_shadow_rectangle (mw, window, x, y, width, height, False, selected_p); | |
696 | } | |
697 | ||
698 | ||
699 | /* Draw a radio button on widget MW, X window WINDOW. X/Y is the | |
700 | top-left corner of the menu item. SELECTED_P non-zero means the | |
701 | toggle button is selected. */ | |
702 | ||
703 | static void | |
704 | draw_radio (mw, window, x, y, selected_p) | |
705 | XlwMenuWidget mw; | |
706 | Window window; | |
707 | int x, y, selected_p; | |
708 | { | |
709 | int width, height; | |
710 | ||
711 | width = radio_button_width (mw); | |
712 | height = width; | |
713 | x += mw->menu.horizontal_spacing; | |
714 | y += (mw->menu.font->ascent - height) / 2; | |
715 | draw_shadow_rhombus (mw, window, x, y, width, height, False, selected_p); | |
716 | } | |
717 | ||
718 | ||
719 | /* Draw a menu separator on widget MW, X window WINDOW. X/Y is the | |
720 | top-left corner of the menu item. WIDTH is the width of the | |
721 | separator to draw. TYPE is the separator type. */ | |
722 | ||
723 | static void | |
724 | draw_separator (mw, window, x, y, width, type) | |
725 | XlwMenuWidget mw; | |
726 | Window window; | |
727 | int x, y, width; | |
728 | enum menu_separator type; | |
729 | { | |
730 | Display *dpy = XtDisplay (mw); | |
731 | XGCValues xgcv; | |
732 | ||
733 | switch (type) | |
734 | { | |
735 | case SEPARATOR_NO_LINE: | |
736 | break; | |
737 | ||
738 | case SEPARATOR_SINGLE_LINE: | |
739 | XDrawLine (dpy, window, mw->menu.foreground_gc, | |
740 | x, y, x + width, y); | |
741 | break; | |
742 | ||
743 | case SEPARATOR_DOUBLE_LINE: | |
744 | draw_separator (mw, window, x, y, width, SEPARATOR_SINGLE_LINE); | |
745 | draw_separator (mw, window, x, y + 2, width, SEPARATOR_SINGLE_LINE); | |
746 | break; | |
747 | ||
748 | case SEPARATOR_SINGLE_DASHED_LINE: | |
749 | xgcv.line_style = LineOnOffDash; | |
750 | XChangeGC (dpy, mw->menu.foreground_gc, GCLineStyle, &xgcv); | |
751 | XDrawLine (dpy, window, mw->menu.foreground_gc, | |
752 | x, y, x + width, y); | |
753 | xgcv.line_style = LineSolid; | |
754 | XChangeGC (dpy, mw->menu.foreground_gc, GCLineStyle, &xgcv); | |
755 | break; | |
756 | ||
757 | case SEPARATOR_DOUBLE_DASHED_LINE: | |
758 | draw_separator (mw, window, x, y, width, | |
759 | SEPARATOR_SINGLE_DASHED_LINE); | |
760 | draw_separator (mw, window, x, y + 2, width, | |
761 | SEPARATOR_SINGLE_DASHED_LINE); | |
762 | break; | |
763 | ||
764 | case SEPARATOR_SHADOW_ETCHED_IN: | |
765 | XDrawLine (dpy, window, mw->menu.shadow_bottom_gc, | |
766 | x, y, x + width, y); | |
767 | XDrawLine (dpy, window, mw->menu.shadow_top_gc, | |
768 | x, y + 1, x + width, y + 1); | |
769 | break; | |
770 | ||
771 | case SEPARATOR_SHADOW_ETCHED_OUT: | |
772 | XDrawLine (dpy, window, mw->menu.shadow_top_gc, | |
773 | x, y, x + width, y); | |
774 | XDrawLine (dpy, window, mw->menu.shadow_bottom_gc, | |
775 | x, y + 1, x + width, y + 1); | |
776 | break; | |
777 | ||
778 | case SEPARATOR_SHADOW_ETCHED_IN_DASH: | |
779 | xgcv.line_style = LineOnOffDash; | |
780 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
781 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
782 | draw_separator (mw, window, x, y, SEPARATOR_SHADOW_ETCHED_IN); | |
783 | xgcv.line_style = LineSolid; | |
784 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
785 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
786 | break; | |
787 | ||
788 | case SEPARATOR_SHADOW_ETCHED_OUT_DASH: | |
789 | xgcv.line_style = LineOnOffDash; | |
790 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
791 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
792 | draw_separator (mw, window, x, y, SEPARATOR_SHADOW_ETCHED_OUT); | |
793 | xgcv.line_style = LineSolid; | |
794 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
795 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
796 | break; | |
797 | ||
798 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN: | |
799 | draw_separator (mw, window, x, y, width, SEPARATOR_SHADOW_ETCHED_IN); | |
800 | draw_separator (mw, window, x, y + 3, width, SEPARATOR_SHADOW_ETCHED_IN); | |
801 | break; | |
802 | ||
803 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT: | |
804 | draw_separator (mw, window, x, y, width, | |
805 | SEPARATOR_SHADOW_ETCHED_OUT); | |
806 | draw_separator (mw, window, x, y + 3, width, | |
807 | SEPARATOR_SHADOW_ETCHED_OUT); | |
808 | break; | |
809 | ||
810 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH: | |
811 | xgcv.line_style = LineOnOffDash; | |
812 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
813 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
814 | draw_separator (mw, window, x, y, width, | |
815 | SEPARATOR_SHADOW_DOUBLE_ETCHED_IN); | |
816 | xgcv.line_style = LineSolid; | |
817 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
818 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
819 | break; | |
820 | ||
821 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH: | |
822 | xgcv.line_style = LineOnOffDash; | |
823 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
824 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
825 | draw_separator (mw, window, x, y, width, | |
826 | SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT); | |
827 | xgcv.line_style = LineSolid; | |
828 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
829 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
830 | break; | |
831 | ||
832 | default: | |
833 | abort (); | |
834 | } | |
835 | } | |
836 | ||
837 | ||
838 | /* Return the pixel height of menu separator SEPARATOR. */ | |
839 | ||
840 | static int | |
841 | separator_height (separator) | |
842 | enum menu_separator separator; | |
843 | { | |
844 | switch (separator) | |
845 | { | |
846 | case SEPARATOR_NO_LINE: | |
847 | return 2; | |
848 | ||
849 | case SEPARATOR_SINGLE_LINE: | |
850 | case SEPARATOR_SINGLE_DASHED_LINE: | |
851 | return 1; | |
852 | ||
853 | case SEPARATOR_DOUBLE_LINE: | |
854 | case SEPARATOR_DOUBLE_DASHED_LINE: | |
855 | return 3; | |
856 | ||
857 | case SEPARATOR_SHADOW_ETCHED_IN: | |
858 | case SEPARATOR_SHADOW_ETCHED_OUT: | |
859 | case SEPARATOR_SHADOW_ETCHED_IN_DASH: | |
860 | case SEPARATOR_SHADOW_ETCHED_OUT_DASH: | |
861 | return 2; | |
862 | ||
863 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN: | |
864 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT: | |
865 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH: | |
866 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH: | |
867 | return 5; | |
868 | ||
869 | default: | |
870 | abort (); | |
871 | } | |
872 | } | |
873 | ||
874 | ||
07bf635f | 875 | /* Display the menu item and increment where.x and where.y to show how large |
be06a3df GM |
876 | the menu item was. */ |
877 | ||
07bf635f | 878 | static void |
be06a3df GM |
879 | display_menu_item (mw, val, ws, where, highlighted_p, horizontal_p, |
880 | just_compute_p) | |
d398028f PR |
881 | XlwMenuWidget mw; |
882 | widget_value* val; | |
883 | window_state* ws; | |
884 | XPoint* where; | |
885 | Boolean highlighted_p; | |
886 | Boolean horizontal_p; | |
887 | Boolean just_compute_p; | |
07bf635f RS |
888 | { |
889 | GC deco_gc; | |
890 | GC text_gc; | |
891 | int font_ascent = mw->menu.font->ascent; | |
892 | int font_descent = mw->menu.font->descent; | |
893 | int shadow = mw->menu.shadow_thickness; | |
be06a3df | 894 | int margin = mw->menu.margin; |
07bf635f RS |
895 | int h_spacing = mw->menu.horizontal_spacing; |
896 | int v_spacing = mw->menu.vertical_spacing; | |
897 | int label_width; | |
898 | int rest_width; | |
be06a3df | 899 | int button_width; |
07bf635f RS |
900 | int height; |
901 | int width; | |
be06a3df GM |
902 | enum menu_separator separator; |
903 | int separator_p = lw_separator_p (val->name, &separator, 0); | |
07bf635f RS |
904 | |
905 | /* compute the sizes of the item */ | |
be06a3df GM |
906 | size_menu_item (mw, val, horizontal_p, &label_width, &rest_width, |
907 | &button_width, &height); | |
07bf635f RS |
908 | |
909 | if (horizontal_p) | |
910 | width = label_width + rest_width; | |
911 | else | |
912 | { | |
913 | label_width = ws->label_width; | |
914 | width = ws->width - 2 * shadow; | |
915 | } | |
916 | ||
07bf635f RS |
917 | /* Only highlight an enabled item that has a callback. */ |
918 | if (highlighted_p) | |
919 | if (!val->enabled || !(val->call_data || val->contents)) | |
920 | highlighted_p = 0; | |
921 | ||
922 | /* do the drawing. */ | |
923 | if (!just_compute_p) | |
924 | { | |
925 | /* Add the shadow border of the containing menu */ | |
926 | int x = where->x + shadow; | |
927 | int y = where->y + shadow; | |
928 | ||
be06a3df GM |
929 | if (horizontal_p) |
930 | { | |
931 | x += margin; | |
932 | y += margin; | |
933 | } | |
934 | ||
07bf635f RS |
935 | /* pick the foreground and background GC. */ |
936 | if (val->enabled) | |
be06a3df | 937 | text_gc = mw->menu.foreground_gc; |
07bf635f | 938 | else |
be06a3df | 939 | text_gc = mw->menu.inactive_gc; |
07bf635f RS |
940 | deco_gc = mw->menu.foreground_gc; |
941 | ||
942 | if (separator_p) | |
943 | { | |
be06a3df | 944 | draw_separator (mw, ws->window, x, y, width, separator); |
07bf635f RS |
945 | } |
946 | else | |
947 | { | |
84593cae | 948 | int x_offset = x + h_spacing + shadow; |
07bf635f | 949 | char* display_string = resource_widget_value (mw, val); |
be06a3df GM |
950 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, True, |
951 | False); | |
84593cae PR |
952 | |
953 | /* Deal with centering a menu title. */ | |
954 | if (!horizontal_p && !val->contents && !val->call_data) | |
955 | { | |
956 | int l = string_width (mw, display_string); | |
957 | ||
958 | if (width > l) | |
959 | x_offset = (width - l) >> 1; | |
960 | } | |
be06a3df GM |
961 | else if (!horizontal_p && ws->button_width) |
962 | x_offset += ws->button_width; | |
963 | ||
964 | ||
84593cae | 965 | XDrawString (XtDisplay (mw), ws->window, text_gc, x_offset, |
07bf635f RS |
966 | y + v_spacing + shadow + font_ascent, |
967 | display_string, strlen (display_string)); | |
968 | ||
969 | if (!horizontal_p) | |
970 | { | |
be06a3df GM |
971 | if (val->button_type == BUTTON_TYPE_TOGGLE) |
972 | draw_toggle (mw, ws->window, x, y + v_spacing + shadow, | |
973 | val->selected); | |
974 | else if (val->button_type == BUTTON_TYPE_RADIO) | |
975 | draw_radio (mw, ws->window, x, y + v_spacing + shadow, | |
976 | val->selected); | |
977 | ||
07bf635f RS |
978 | if (val->contents) |
979 | { | |
980 | int a_w = arrow_width (mw); | |
981 | draw_arrow (mw, ws->window, deco_gc, | |
be06a3df | 982 | x + width - a_w |
d398028f PR |
983 | - mw->menu.horizontal_spacing |
984 | - mw->menu.shadow_thickness, | |
be06a3df GM |
985 | y + v_spacing + shadow, a_w, |
986 | highlighted_p); | |
07bf635f RS |
987 | } |
988 | else if (val->key) | |
989 | { | |
990 | XDrawString (XtDisplay (mw), ws->window, text_gc, | |
991 | x + label_width + mw->menu.arrow_spacing, | |
992 | y + v_spacing + shadow + font_ascent, | |
993 | val->key, strlen (val->key)); | |
994 | } | |
995 | } | |
d398028f PR |
996 | else |
997 | { | |
998 | XDrawRectangle (XtDisplay (mw), ws->window, | |
999 | mw->menu.background_gc, | |
1000 | x + shadow, y + shadow, | |
1001 | label_width + h_spacing - 1, | |
1002 | font_ascent + font_descent + 2 * v_spacing - 1); | |
1003 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, | |
be06a3df | 1004 | True, False); |
d398028f | 1005 | } |
07bf635f RS |
1006 | |
1007 | if (highlighted_p) | |
be06a3df GM |
1008 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, False, |
1009 | False); | |
07bf635f RS |
1010 | } |
1011 | } | |
1012 | ||
1013 | where->x += width; | |
1014 | where->y += height; | |
1015 | } | |
1016 | ||
1017 | static void | |
d398028f PR |
1018 | display_menu (mw, level, just_compute_p, highlighted_pos, hit, hit_return, |
1019 | this, that) | |
1020 | XlwMenuWidget mw; | |
1021 | int level; | |
1022 | Boolean just_compute_p; | |
1023 | XPoint* highlighted_pos; | |
1024 | XPoint* hit; | |
1025 | widget_value** hit_return; | |
1026 | widget_value* this; | |
1027 | widget_value* that; | |
07bf635f RS |
1028 | { |
1029 | widget_value* val; | |
1030 | widget_value* following_item; | |
1031 | window_state* ws; | |
1032 | XPoint where; | |
1033 | int horizontal_p = mw->menu.horizontal && (level == 0); | |
1034 | int highlighted_p; | |
1035 | int just_compute_this_one_p; | |
ccc1cac0 RS |
1036 | /* This is set nonzero if the element containing HIGHLIGHTED_POS |
1037 | is disabled, so that we do not return any subsequent element either. */ | |
1038 | int no_return = 0; | |
be06a3df | 1039 | enum menu_separator separator; |
07bf635f RS |
1040 | |
1041 | if (level >= mw->menu.old_depth) | |
be06a3df | 1042 | abort_gracefully ((Widget) mw); |
07bf635f RS |
1043 | |
1044 | if (level < mw->menu.old_depth - 1) | |
1045 | following_item = mw->menu.old_stack [level + 1]; | |
1046 | else | |
1047 | following_item = NULL; | |
1048 | ||
1049 | if (hit) | |
1050 | *hit_return = NULL; | |
1051 | ||
1052 | where.x = 0; | |
1053 | where.y = 0; | |
1054 | ||
1055 | ws = &mw->menu.windows [level]; | |
1056 | for (val = mw->menu.old_stack [level]->contents; val; val = val->next) | |
1057 | { | |
1058 | highlighted_p = val == following_item; | |
1059 | if (highlighted_p && highlighted_pos) | |
1060 | { | |
1061 | if (horizontal_p) | |
1062 | highlighted_pos->x = where.x; | |
1063 | else | |
1064 | highlighted_pos->y = where.y; | |
1065 | } | |
1066 | ||
1067 | just_compute_this_one_p = | |
1068 | just_compute_p || ((this || that) && val != this && val != that); | |
1069 | ||
1070 | display_menu_item (mw, val, ws, &where, highlighted_p, horizontal_p, | |
1071 | just_compute_this_one_p); | |
1072 | ||
1073 | if (highlighted_p && highlighted_pos) | |
1074 | { | |
1075 | if (horizontal_p) | |
1076 | highlighted_pos->y = where.y; | |
1077 | else | |
1078 | highlighted_pos->x = where.x; | |
1079 | } | |
1080 | ||
1081 | if (hit | |
1082 | && !*hit_return | |
1083 | && (horizontal_p ? hit->x < where.x : hit->y < where.y) | |
be06a3df | 1084 | && !lw_separator_p (val->name, &separator, 0) |
ccc1cac0 RS |
1085 | && !no_return) |
1086 | { | |
1087 | if (val->enabled) | |
1088 | *hit_return = val; | |
1089 | else | |
1090 | no_return = 1; | |
1091 | } | |
07bf635f RS |
1092 | |
1093 | if (horizontal_p) | |
1094 | where.y = 0; | |
1095 | else | |
1096 | where.x = 0; | |
1097 | } | |
1098 | ||
1099 | if (!just_compute_p) | |
be06a3df GM |
1100 | draw_shadow_rectangle (mw, ws->window, 0, 0, ws->width, ws->height, |
1101 | False, False); | |
07bf635f RS |
1102 | } |
1103 | ||
1104 | \f/* Motion code */ | |
1105 | static void | |
d398028f PR |
1106 | set_new_state (mw, val, level) |
1107 | XlwMenuWidget mw; | |
1108 | widget_value* val; | |
1109 | int level; | |
07bf635f RS |
1110 | { |
1111 | int i; | |
1112 | ||
1113 | mw->menu.new_depth = 0; | |
1114 | for (i = 0; i < level; i++) | |
1115 | push_new_stack (mw, mw->menu.old_stack [i]); | |
1116 | push_new_stack (mw, val); | |
1117 | } | |
1118 | ||
1119 | static void | |
d398028f PR |
1120 | make_windows_if_needed (mw, n) |
1121 | XlwMenuWidget mw; | |
1122 | int n; | |
07bf635f RS |
1123 | { |
1124 | int i; | |
1125 | int start_at; | |
1126 | XSetWindowAttributes xswa; | |
1127 | int mask; | |
1128 | Window root = RootWindowOfScreen (DefaultScreenOfDisplay (XtDisplay (mw))); | |
1129 | window_state* windows; | |
1130 | ||
1131 | if (mw->menu.windows_length >= n) | |
1132 | return; | |
1133 | ||
1134 | xswa.save_under = True; | |
1135 | xswa.override_redirect = True; | |
1136 | xswa.background_pixel = mw->core.background_pixel; | |
1137 | xswa.border_pixel = mw->core.border_pixel; | |
1138 | xswa.event_mask = | |
d398028f | 1139 | ExposureMask | PointerMotionMask | PointerMotionHintMask |
07bf635f RS |
1140 | | ButtonReleaseMask | ButtonPressMask; |
1141 | xswa.cursor = mw->menu.cursor_shape; | |
1142 | mask = CWSaveUnder | CWOverrideRedirect | CWBackPixel | CWBorderPixel | |
1143 | | CWEventMask | CWCursor; | |
1144 | ||
1145 | if (!mw->menu.windows) | |
1146 | { | |
1147 | mw->menu.windows = | |
1148 | (window_state*)XtMalloc (n * sizeof (window_state)); | |
1149 | start_at = 0; | |
1150 | } | |
1151 | else | |
1152 | { | |
1153 | mw->menu.windows = | |
1154 | (window_state*)XtRealloc ((char*)mw->menu.windows, | |
1155 | n * sizeof (window_state)); | |
1156 | start_at = mw->menu.windows_length; | |
1157 | } | |
1158 | mw->menu.windows_length = n; | |
1159 | ||
1160 | windows = mw->menu.windows; | |
1161 | ||
1162 | for (i = start_at; i < n; i++) | |
1163 | { | |
1164 | windows [i].x = 0; | |
1165 | windows [i].y = 0; | |
1166 | windows [i].width = 1; | |
1167 | windows [i].height = 1; | |
1168 | windows [i].window = | |
1169 | XCreateWindow (XtDisplay (mw), root, 0, 0, 1, 1, | |
1170 | 0, 0, CopyFromParent, CopyFromParent, mask, &xswa); | |
1171 | } | |
1172 | } | |
1173 | ||
1174 | /* Make the window fit in the screen */ | |
1175 | static void | |
d398028f PR |
1176 | fit_to_screen (mw, ws, previous_ws, horizontal_p) |
1177 | XlwMenuWidget mw; | |
1178 | window_state* ws; | |
1179 | window_state* previous_ws; | |
1180 | Boolean horizontal_p; | |
07bf635f | 1181 | { |
ccf589a6 RS |
1182 | unsigned int screen_width = WidthOfScreen (XtScreen (mw)); |
1183 | unsigned int screen_height = HeightOfScreen (XtScreen (mw)); | |
1ba46f7d RS |
1184 | /* 1 if we are unable to avoid an overlap between |
1185 | this menu and the parent menu in the X dimension. */ | |
1186 | int horizontal_overlap = 0; | |
07bf635f RS |
1187 | |
1188 | if (ws->x < 0) | |
1189 | ws->x = 0; | |
1190 | else if (ws->x + ws->width > screen_width) | |
1191 | { | |
1192 | if (!horizontal_p) | |
1193 | ws->x = previous_ws->x - ws->width; | |
1194 | else | |
1195 | ws->x = screen_width - ws->width; | |
525b8232 | 1196 | if (ws->x < 0) |
1ba46f7d RS |
1197 | { |
1198 | ws->x = 0; | |
1199 | horizontal_overlap = 1; | |
1200 | } | |
1201 | } | |
1202 | /* If we overlap in X, try to avoid overlap in Y. */ | |
1203 | if (horizontal_overlap | |
1204 | && ws->y < previous_ws->y + previous_ws->height | |
1205 | && previous_ws->y < ws->y + ws->height) | |
1206 | { | |
1207 | /* Put this menu right below or right above PREVIOUS_WS | |
1208 | if there's room. */ | |
1209 | if (previous_ws->y + previous_ws->height + ws->height < screen_height) | |
1210 | ws->y = previous_ws->y + previous_ws->height; | |
1211 | else if (previous_ws->y - ws->height > 0) | |
1212 | ws->y = previous_ws->y - ws->height; | |
07bf635f | 1213 | } |
1ba46f7d | 1214 | |
07bf635f RS |
1215 | if (ws->y < 0) |
1216 | ws->y = 0; | |
1217 | else if (ws->y + ws->height > screen_height) | |
1218 | { | |
1219 | if (horizontal_p) | |
1220 | ws->y = previous_ws->y - ws->height; | |
1221 | else | |
1222 | ws->y = screen_height - ws->height; | |
525b8232 RS |
1223 | if (ws->y < 0) |
1224 | ws->y = 0; | |
07bf635f RS |
1225 | } |
1226 | } | |
1227 | ||
1228 | /* Updates old_stack from new_stack and redisplays. */ | |
1229 | static void | |
d398028f PR |
1230 | remap_menubar (mw) |
1231 | XlwMenuWidget mw; | |
07bf635f RS |
1232 | { |
1233 | int i; | |
1234 | int last_same; | |
1235 | XPoint selection_position; | |
1236 | int old_depth = mw->menu.old_depth; | |
1237 | int new_depth = mw->menu.new_depth; | |
1238 | widget_value** old_stack; | |
1239 | widget_value** new_stack; | |
1240 | window_state* windows; | |
1241 | widget_value* old_selection; | |
1242 | widget_value* new_selection; | |
1243 | ||
1244 | /* Check that enough windows and old_stack are ready. */ | |
1245 | make_windows_if_needed (mw, new_depth); | |
1246 | make_old_stack_space (mw, new_depth); | |
1247 | windows = mw->menu.windows; | |
1248 | old_stack = mw->menu.old_stack; | |
1249 | new_stack = mw->menu.new_stack; | |
1250 | ||
1251 | /* compute the last identical different entry */ | |
1252 | for (i = 1; i < old_depth && i < new_depth; i++) | |
1253 | if (old_stack [i] != new_stack [i]) | |
1254 | break; | |
1255 | last_same = i - 1; | |
1256 | ||
1257 | /* Memorize the previously selected item to be able to refresh it */ | |
1258 | old_selection = last_same + 1 < old_depth ? old_stack [last_same + 1] : NULL; | |
1259 | if (old_selection && !old_selection->enabled) | |
1260 | old_selection = NULL; | |
1261 | new_selection = last_same + 1 < new_depth ? new_stack [last_same + 1] : NULL; | |
1262 | if (new_selection && !new_selection->enabled) | |
1263 | new_selection = NULL; | |
1264 | ||
d6fd6371 GM |
1265 | /* Call callback when the hightlighted item changes. */ |
1266 | if (old_selection || new_selection) | |
1267 | XtCallCallbackList ((Widget)mw, mw->menu.highlight, | |
1268 | (XtPointer) new_selection); | |
1269 | ||
07bf635f RS |
1270 | /* updates old_state from new_state. It has to be done now because |
1271 | display_menu (called below) uses the old_stack to know what to display. */ | |
1272 | for (i = last_same + 1; i < new_depth; i++) | |
1273 | old_stack [i] = new_stack [i]; | |
1274 | mw->menu.old_depth = new_depth; | |
1275 | ||
908ff139 | 1276 | /* refresh the last selection */ |
07bf635f RS |
1277 | selection_position.x = 0; |
1278 | selection_position.y = 0; | |
1279 | display_menu (mw, last_same, new_selection == old_selection, | |
1280 | &selection_position, NULL, NULL, old_selection, new_selection); | |
1281 | ||
1ba46f7d RS |
1282 | /* Now place the new menus. */ |
1283 | for (i = last_same + 1; i < new_depth && new_stack[i]->contents; i++) | |
07bf635f | 1284 | { |
1ba46f7d RS |
1285 | window_state *previous_ws = &windows[i - 1]; |
1286 | window_state *ws = &windows[i]; | |
07bf635f | 1287 | |
be06a3df GM |
1288 | ws->x = (previous_ws->x + selection_position.x |
1289 | + mw->menu.shadow_thickness); | |
1290 | if (i == 1) | |
1291 | ws->x += mw->menu.margin; | |
1292 | ||
1293 | #if 0 | |
07bf635f RS |
1294 | if (!mw->menu.horizontal || i > 1) |
1295 | ws->x += mw->menu.shadow_thickness; | |
be06a3df GM |
1296 | #endif |
1297 | ||
1298 | ws->y = (previous_ws->y + selection_position.y | |
1299 | + mw->menu.shadow_thickness); | |
1300 | if (i == 1) | |
1301 | ws->y += mw->menu.margin; | |
07bf635f RS |
1302 | |
1303 | size_menu (mw, i); | |
1304 | ||
1305 | fit_to_screen (mw, ws, previous_ws, mw->menu.horizontal && i == 1); | |
1306 | ||
1307 | XClearWindow (XtDisplay (mw), ws->window); | |
1308 | XMoveResizeWindow (XtDisplay (mw), ws->window, ws->x, ws->y, | |
1309 | ws->width, ws->height); | |
1310 | XMapRaised (XtDisplay (mw), ws->window); | |
1311 | display_menu (mw, i, False, &selection_position, NULL, NULL, NULL, NULL); | |
1312 | } | |
1313 | ||
1314 | /* unmap the menus that popped down */ | |
1315 | for (i = new_depth - 1; i < old_depth; i++) | |
1ba46f7d RS |
1316 | if (i >= new_depth || !new_stack[i]->contents) |
1317 | XUnmapWindow (XtDisplay (mw), windows[i].window); | |
07bf635f RS |
1318 | } |
1319 | ||
1320 | static Boolean | |
d398028f PR |
1321 | motion_event_is_in_menu (mw, ev, level, relative_pos) |
1322 | XlwMenuWidget mw; | |
1323 | XMotionEvent* ev; | |
1324 | int level; | |
1325 | XPoint* relative_pos; | |
07bf635f RS |
1326 | { |
1327 | window_state* ws = &mw->menu.windows [level]; | |
4f08464c RS |
1328 | int shadow = level == 0 ? 0 : mw->menu.shadow_thickness; |
1329 | int x = ws->x + shadow; | |
1330 | int y = ws->y + shadow; | |
07bf635f RS |
1331 | relative_pos->x = ev->x_root - x; |
1332 | relative_pos->y = ev->y_root - y; | |
4f08464c RS |
1333 | return (x - shadow < ev->x_root && ev->x_root < x + ws->width |
1334 | && y - shadow < ev->y_root && ev->y_root < y + ws->height); | |
07bf635f RS |
1335 | } |
1336 | ||
1337 | static Boolean | |
d398028f PR |
1338 | map_event_to_widget_value (mw, ev, val, level) |
1339 | XlwMenuWidget mw; | |
1340 | XMotionEvent* ev; | |
1341 | widget_value** val; | |
1342 | int* level; | |
07bf635f RS |
1343 | { |
1344 | int i; | |
1345 | XPoint relative_pos; | |
1346 | window_state* ws; | |
1347 | ||
1348 | *val = NULL; | |
1349 | ||
1350 | /* Find the window */ | |
1351 | for (i = mw->menu.old_depth - 1; i >= 0; i--) | |
1352 | { | |
1353 | ws = &mw->menu.windows [i]; | |
1354 | if (ws && motion_event_is_in_menu (mw, ev, i, &relative_pos)) | |
1355 | { | |
1356 | display_menu (mw, i, True, NULL, &relative_pos, val, NULL, NULL); | |
1357 | ||
1358 | if (*val) | |
1359 | { | |
1360 | *level = i + 1; | |
1361 | return True; | |
1362 | } | |
1363 | } | |
1364 | } | |
1365 | return False; | |
1366 | } | |
1367 | ||
1368 | \f/* Procedures */ | |
1369 | static void | |
d398028f PR |
1370 | make_drawing_gcs (mw) |
1371 | XlwMenuWidget mw; | |
07bf635f RS |
1372 | { |
1373 | XGCValues xgcv; | |
1374 | ||
1375 | xgcv.font = mw->menu.font->fid; | |
1376 | xgcv.foreground = mw->menu.foreground; | |
1377 | xgcv.background = mw->core.background_pixel; | |
1378 | mw->menu.foreground_gc = XtGetGC ((Widget)mw, | |
1379 | GCFont | GCForeground | GCBackground, | |
1380 | &xgcv); | |
1381 | ||
1382 | xgcv.font = mw->menu.font->fid; | |
1383 | xgcv.foreground = mw->menu.button_foreground; | |
1384 | xgcv.background = mw->core.background_pixel; | |
1385 | mw->menu.button_gc = XtGetGC ((Widget)mw, | |
1386 | GCFont | GCForeground | GCBackground, | |
1387 | &xgcv); | |
1388 | ||
1389 | xgcv.font = mw->menu.font->fid; | |
1390 | xgcv.foreground = mw->menu.foreground; | |
1391 | xgcv.background = mw->core.background_pixel; | |
1392 | xgcv.fill_style = FillStippled; | |
1393 | xgcv.stipple = mw->menu.gray_pixmap; | |
1394 | mw->menu.inactive_gc = XtGetGC ((Widget)mw, | |
1395 | (GCFont | GCForeground | GCBackground | |
1396 | | GCFillStyle | GCStipple), &xgcv); | |
1397 | ||
1398 | xgcv.font = mw->menu.font->fid; | |
1399 | xgcv.foreground = mw->menu.button_foreground; | |
1400 | xgcv.background = mw->core.background_pixel; | |
1401 | xgcv.fill_style = FillStippled; | |
1402 | xgcv.stipple = mw->menu.gray_pixmap; | |
1403 | mw->menu.inactive_button_gc = XtGetGC ((Widget)mw, | |
1404 | (GCFont | GCForeground | GCBackground | |
1405 | | GCFillStyle | GCStipple), &xgcv); | |
1406 | ||
1407 | xgcv.font = mw->menu.font->fid; | |
1408 | xgcv.foreground = mw->core.background_pixel; | |
1409 | xgcv.background = mw->menu.foreground; | |
1410 | mw->menu.background_gc = XtGetGC ((Widget)mw, | |
1411 | GCFont | GCForeground | GCBackground, | |
1412 | &xgcv); | |
1413 | } | |
1414 | ||
1415 | static void | |
d398028f PR |
1416 | release_drawing_gcs (mw) |
1417 | XlwMenuWidget mw; | |
07bf635f RS |
1418 | { |
1419 | XtReleaseGC ((Widget) mw, mw->menu.foreground_gc); | |
1420 | XtReleaseGC ((Widget) mw, mw->menu.button_gc); | |
1421 | XtReleaseGC ((Widget) mw, mw->menu.inactive_gc); | |
1422 | XtReleaseGC ((Widget) mw, mw->menu.inactive_button_gc); | |
1423 | XtReleaseGC ((Widget) mw, mw->menu.background_gc); | |
1424 | /* let's get some segvs if we try to use these... */ | |
1425 | mw->menu.foreground_gc = (GC) -1; | |
1426 | mw->menu.button_gc = (GC) -1; | |
1427 | mw->menu.inactive_gc = (GC) -1; | |
1428 | mw->menu.inactive_button_gc = (GC) -1; | |
1429 | mw->menu.background_gc = (GC) -1; | |
1430 | } | |
1431 | ||
1432 | #define MINL(x,y) ((((unsigned long) (x)) < ((unsigned long) (y))) \ | |
1433 | ? ((unsigned long) (x)) : ((unsigned long) (y))) | |
1434 | ||
1435 | static void | |
d398028f PR |
1436 | make_shadow_gcs (mw) |
1437 | XlwMenuWidget mw; | |
07bf635f RS |
1438 | { |
1439 | XGCValues xgcv; | |
1440 | unsigned long pm = 0; | |
1441 | Display *dpy = XtDisplay ((Widget) mw); | |
be06a3df | 1442 | Screen *screen = XtScreen ((Widget) mw); |
b0404f9f | 1443 | Colormap cmap = mw->core.colormap; |
07bf635f RS |
1444 | XColor topc, botc; |
1445 | int top_frobbed = 0, bottom_frobbed = 0; | |
1446 | ||
1447 | if (mw->menu.top_shadow_color == -1) | |
1448 | mw->menu.top_shadow_color = mw->core.background_pixel; | |
1449 | if (mw->menu.bottom_shadow_color == -1) | |
1450 | mw->menu.bottom_shadow_color = mw->menu.foreground; | |
1451 | ||
1452 | if (mw->menu.top_shadow_color == mw->core.background_pixel || | |
1453 | mw->menu.top_shadow_color == mw->menu.foreground) | |
1454 | { | |
1455 | topc.pixel = mw->core.background_pixel; | |
1456 | XQueryColor (dpy, cmap, &topc); | |
1457 | /* don't overflow/wrap! */ | |
1458 | topc.red = MINL (65535, topc.red * 1.2); | |
1459 | topc.green = MINL (65535, topc.green * 1.2); | |
1460 | topc.blue = MINL (65535, topc.blue * 1.2); | |
be06a3df | 1461 | #ifdef emacs |
a57a1605 | 1462 | if (x_alloc_nearest_color_for_widget ((Widget) mw, cmap, &topc)) |
be06a3df | 1463 | #else |
07bf635f | 1464 | if (XAllocColor (dpy, cmap, &topc)) |
be06a3df | 1465 | #endif |
07bf635f RS |
1466 | { |
1467 | mw->menu.top_shadow_color = topc.pixel; | |
1468 | top_frobbed = 1; | |
1469 | } | |
1470 | } | |
1471 | if (mw->menu.bottom_shadow_color == mw->menu.foreground || | |
1472 | mw->menu.bottom_shadow_color == mw->core.background_pixel) | |
1473 | { | |
1474 | botc.pixel = mw->core.background_pixel; | |
1475 | XQueryColor (dpy, cmap, &botc); | |
1476 | botc.red *= 0.6; | |
1477 | botc.green *= 0.6; | |
1478 | botc.blue *= 0.6; | |
be06a3df | 1479 | #ifdef emacs |
a57a1605 | 1480 | if (x_alloc_nearest_color_for_widget ((Widget) mw, cmap, &botc)) |
be06a3df | 1481 | #else |
07bf635f | 1482 | if (XAllocColor (dpy, cmap, &botc)) |
be06a3df | 1483 | #endif |
07bf635f RS |
1484 | { |
1485 | mw->menu.bottom_shadow_color = botc.pixel; | |
1486 | bottom_frobbed = 1; | |
1487 | } | |
1488 | } | |
1489 | ||
1490 | if (top_frobbed && bottom_frobbed) | |
1491 | { | |
1492 | int top_avg = ((topc.red / 3) + (topc.green / 3) + (topc.blue / 3)); | |
1493 | int bot_avg = ((botc.red / 3) + (botc.green / 3) + (botc.blue / 3)); | |
1494 | if (bot_avg > top_avg) | |
1495 | { | |
1496 | Pixel tmp = mw->menu.top_shadow_color; | |
1497 | mw->menu.top_shadow_color = mw->menu.bottom_shadow_color; | |
1498 | mw->menu.bottom_shadow_color = tmp; | |
1499 | } | |
1500 | else if (topc.pixel == botc.pixel) | |
1501 | { | |
1502 | if (botc.pixel == mw->menu.foreground) | |
fc8fefed GM |
1503 | { |
1504 | x_free_dpy_colors (dpy, screen, cmap, | |
1505 | &mw->menu.top_shadow_color, 1); | |
1506 | mw->menu.top_shadow_color | |
1507 | = x_copy_dpy_color (dpy, cmap, mw->core.background_pixel); | |
1508 | } | |
07bf635f | 1509 | else |
fc8fefed GM |
1510 | { |
1511 | x_free_dpy_colors (dpy, screen, cmap, | |
1512 | &mw->menu.bottom_shadow_color, 1); | |
1513 | mw->menu.bottom_shadow_color | |
1514 | = x_copy_dpy_color (dpy, cmap, mw->menu.foreground); | |
1515 | } | |
07bf635f RS |
1516 | } |
1517 | } | |
1518 | ||
1519 | if (!mw->menu.top_shadow_pixmap && | |
1520 | mw->menu.top_shadow_color == mw->core.background_pixel) | |
1521 | { | |
1522 | mw->menu.top_shadow_pixmap = mw->menu.gray_pixmap; | |
fc8fefed GM |
1523 | if (top_frobbed) |
1524 | x_free_dpy_colors (dpy, screen, cmap, &mw->menu.top_shadow_color, 1); | |
1525 | mw->menu.top_shadow_color = x_copy_dpy_color (dpy, cmap, | |
1526 | mw->menu.foreground); | |
07bf635f RS |
1527 | } |
1528 | if (!mw->menu.bottom_shadow_pixmap && | |
1529 | mw->menu.bottom_shadow_color == mw->core.background_pixel) | |
1530 | { | |
1531 | mw->menu.bottom_shadow_pixmap = mw->menu.gray_pixmap; | |
fc8fefed GM |
1532 | if (bottom_frobbed) |
1533 | x_free_dpy_colors (dpy, screen, cmap, | |
1534 | &mw->menu.bottom_shadow_color, 1); | |
1535 | mw->menu.bottom_shadow_color = x_copy_dpy_color (dpy, cmap, | |
1536 | mw->menu.foreground); | |
07bf635f RS |
1537 | } |
1538 | ||
1539 | xgcv.fill_style = FillStippled; | |
1540 | xgcv.foreground = mw->menu.top_shadow_color; | |
1541 | xgcv.stipple = mw->menu.top_shadow_pixmap; | |
1542 | pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0); | |
1543 | mw->menu.shadow_top_gc = XtGetGC ((Widget)mw, GCForeground | pm, &xgcv); | |
1544 | ||
1545 | xgcv.foreground = mw->menu.bottom_shadow_color; | |
1546 | xgcv.stipple = mw->menu.bottom_shadow_pixmap; | |
1547 | pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0); | |
1548 | mw->menu.shadow_bottom_gc = XtGetGC ((Widget)mw, GCForeground | pm, &xgcv); | |
1549 | } | |
1550 | ||
1551 | ||
1552 | static void | |
d398028f PR |
1553 | release_shadow_gcs (mw) |
1554 | XlwMenuWidget mw; | |
07bf635f | 1555 | { |
fc8fefed GM |
1556 | Display *dpy = XtDisplay ((Widget) mw); |
1557 | Screen *screen = XtScreen ((Widget) mw); | |
1558 | Colormap cmap = mw->core.colormap; | |
1559 | Pixel px[2]; | |
1560 | ||
1561 | px[0] = mw->menu.top_shadow_color; | |
1562 | px[1] = mw->menu.bottom_shadow_color; | |
1563 | x_free_dpy_colors (dpy, screen, cmap, px, 2); | |
07bf635f RS |
1564 | XtReleaseGC ((Widget) mw, mw->menu.shadow_top_gc); |
1565 | XtReleaseGC ((Widget) mw, mw->menu.shadow_bottom_gc); | |
1566 | } | |
1567 | ||
1568 | static void | |
47d52240 | 1569 | XlwMenuInitialize (request, mw, args, num_args) |
d398028f | 1570 | Widget request; |
47d52240 | 1571 | XlwMenuWidget mw; |
d398028f PR |
1572 | ArgList args; |
1573 | Cardinal *num_args; | |
07bf635f RS |
1574 | { |
1575 | /* Get the GCs and the widget size */ | |
07bf635f RS |
1576 | XSetWindowAttributes xswa; |
1577 | int mask; | |
1578 | ||
1579 | Window window = RootWindowOfScreen (DefaultScreenOfDisplay (XtDisplay (mw))); | |
1580 | Display* display = XtDisplay (mw); | |
1581 | ||
d398028f PR |
1582 | #if 0 |
1583 | widget_value *tem = (widget_value *) XtMalloc (sizeof (widget_value)); | |
1584 | ||
1585 | /* _XtCreate is freeing the object that was passed to us, | |
1586 | so make a copy that we will actually keep. */ | |
1587 | lwlib_bcopy (mw->menu.contents, tem, sizeof (widget_value)); | |
1588 | mw->menu.contents = tem; | |
1589 | #endif | |
1590 | ||
07bf635f RS |
1591 | /* mw->menu.cursor = XCreateFontCursor (display, mw->menu.cursor_shape); */ |
1592 | mw->menu.cursor = mw->menu.cursor_shape; | |
1593 | ||
a504c8fa KH |
1594 | mw->menu.gray_pixmap |
1595 | = XCreatePixmapFromBitmapData (display, window, gray_bits, | |
1596 | gray_width, gray_height, | |
1597 | (unsigned long)1, (unsigned long)0, 1); | |
07bf635f | 1598 | |
47d52240 RS |
1599 | /* I don't understand why this ends up 0 sometimes, |
1600 | but it does. This kludge works around it. | |
1601 | Can anyone find a real fix? -- rms. */ | |
1602 | if (mw->menu.font == 0) | |
1603 | mw->menu.font = xlwmenu_default_font; | |
1604 | ||
07bf635f RS |
1605 | make_drawing_gcs (mw); |
1606 | make_shadow_gcs (mw); | |
1607 | ||
1608 | xswa.background_pixel = mw->core.background_pixel; | |
1609 | xswa.border_pixel = mw->core.border_pixel; | |
1610 | mask = CWBackPixel | CWBorderPixel; | |
1611 | ||
1612 | mw->menu.popped_up = False; | |
1613 | ||
1614 | mw->menu.old_depth = 1; | |
1615 | mw->menu.old_stack = (widget_value**)XtMalloc (sizeof (widget_value*)); | |
1616 | mw->menu.old_stack_length = 1; | |
1617 | mw->menu.old_stack [0] = mw->menu.contents; | |
1618 | ||
1619 | mw->menu.new_depth = 0; | |
1620 | mw->menu.new_stack = 0; | |
1621 | mw->menu.new_stack_length = 0; | |
1622 | push_new_stack (mw, mw->menu.contents); | |
1623 | ||
1624 | mw->menu.windows = (window_state*)XtMalloc (sizeof (window_state)); | |
1625 | mw->menu.windows_length = 1; | |
1626 | mw->menu.windows [0].x = 0; | |
1627 | mw->menu.windows [0].y = 0; | |
1628 | mw->menu.windows [0].width = 0; | |
1629 | mw->menu.windows [0].height = 0; | |
1630 | size_menu (mw, 0); | |
1631 | ||
1632 | mw->core.width = mw->menu.windows [0].width; | |
1633 | mw->core.height = mw->menu.windows [0].height; | |
1634 | } | |
1635 | ||
1636 | static void | |
1637 | XlwMenuClassInitialize () | |
1638 | { | |
1639 | } | |
1640 | ||
1641 | static void | |
d398028f PR |
1642 | XlwMenuRealize (w, valueMask, attributes) |
1643 | Widget w; | |
1644 | Mask *valueMask; | |
1645 | XSetWindowAttributes *attributes; | |
07bf635f RS |
1646 | { |
1647 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1648 | XSetWindowAttributes xswa; | |
1649 | int mask; | |
1650 | ||
1651 | (*xlwMenuWidgetClass->core_class.superclass->core_class.realize) | |
1652 | (w, valueMask, attributes); | |
1653 | ||
1654 | xswa.save_under = True; | |
1655 | xswa.cursor = mw->menu.cursor_shape; | |
1656 | mask = CWSaveUnder | CWCursor; | |
1657 | XChangeWindowAttributes (XtDisplay (w), XtWindow (w), mask, &xswa); | |
1658 | ||
1659 | mw->menu.windows [0].window = XtWindow (w); | |
1660 | mw->menu.windows [0].x = w->core.x; | |
1661 | mw->menu.windows [0].y = w->core.y; | |
1662 | mw->menu.windows [0].width = w->core.width; | |
1663 | mw->menu.windows [0].height = w->core.height; | |
1664 | } | |
1665 | ||
1666 | /* Only the toplevel menubar/popup is a widget so it's the only one that | |
1667 | receives expose events through Xt. So we repaint all the other panes | |
1668 | when receiving an Expose event. */ | |
1669 | static void | |
d398028f PR |
1670 | XlwMenuRedisplay (w, ev, region) |
1671 | Widget w; | |
1672 | XEvent* ev; | |
1673 | Region region; | |
07bf635f RS |
1674 | { |
1675 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1676 | int i; | |
1677 | ||
d398028f PR |
1678 | /* If we have a depth beyond 1, it's because a submenu was displayed. |
1679 | If the submenu has been destroyed, set the depth back to 1. */ | |
1680 | if (submenu_destroyed) | |
1681 | { | |
1682 | mw->menu.old_depth = 1; | |
1683 | submenu_destroyed = 0; | |
1684 | } | |
1685 | ||
07bf635f RS |
1686 | for (i = 0; i < mw->menu.old_depth; i++) |
1687 | display_menu (mw, i, False, NULL, NULL, NULL, NULL, NULL); | |
1688 | } | |
1689 | ||
1690 | static void | |
d398028f PR |
1691 | XlwMenuDestroy (w) |
1692 | Widget w; | |
07bf635f RS |
1693 | { |
1694 | int i; | |
1695 | XlwMenuWidget mw = (XlwMenuWidget) w; | |
1696 | ||
d398028f PR |
1697 | if (pointer_grabbed) |
1698 | XtUngrabPointer ((Widget)w, CurrentTime); | |
1699 | pointer_grabbed = 0; | |
1700 | ||
1701 | submenu_destroyed = 1; | |
1702 | ||
07bf635f RS |
1703 | release_drawing_gcs (mw); |
1704 | release_shadow_gcs (mw); | |
1705 | ||
1706 | /* this doesn't come from the resource db but is created explicitly | |
1707 | so we must free it ourselves. */ | |
1708 | XFreePixmap (XtDisplay (mw), mw->menu.gray_pixmap); | |
1709 | mw->menu.gray_pixmap = (Pixmap) -1; | |
1710 | ||
d398028f PR |
1711 | #if 0 |
1712 | /* Do free mw->menu.contents because nowadays we copy it | |
1713 | during initialization. */ | |
1714 | XtFree (mw->menu.contents); | |
1715 | #endif | |
1716 | ||
07bf635f RS |
1717 | /* Don't free mw->menu.contents because that comes from our creator. |
1718 | The `*_stack' elements are just pointers into `contents' so leave | |
1719 | that alone too. But free the stacks themselves. */ | |
1720 | if (mw->menu.old_stack) XtFree ((char *) mw->menu.old_stack); | |
1721 | if (mw->menu.new_stack) XtFree ((char *) mw->menu.new_stack); | |
1722 | ||
1723 | /* Remember, you can't free anything that came from the resource | |
1724 | database. This includes: | |
1725 | mw->menu.cursor | |
1726 | mw->menu.top_shadow_pixmap | |
1727 | mw->menu.bottom_shadow_pixmap | |
1728 | mw->menu.font | |
1729 | Also the color cells of top_shadow_color, bottom_shadow_color, | |
1730 | foreground, and button_foreground will never be freed until this | |
1731 | client exits. Nice, eh? | |
1732 | */ | |
1733 | ||
1734 | /* start from 1 because the one in slot 0 is w->core.window */ | |
1735 | for (i = 1; i < mw->menu.windows_length; i++) | |
1736 | XDestroyWindow (XtDisplay (mw), mw->menu.windows [i].window); | |
1737 | if (mw->menu.windows) | |
1738 | XtFree ((char *) mw->menu.windows); | |
1739 | } | |
1740 | ||
1741 | static Boolean | |
d398028f PR |
1742 | XlwMenuSetValues (current, request, new) |
1743 | Widget current; | |
1744 | Widget request; | |
1745 | Widget new; | |
07bf635f RS |
1746 | { |
1747 | XlwMenuWidget oldmw = (XlwMenuWidget)current; | |
1748 | XlwMenuWidget newmw = (XlwMenuWidget)new; | |
1749 | Boolean redisplay = False; | |
1750 | int i; | |
1751 | ||
1752 | if (newmw->menu.contents | |
1753 | && newmw->menu.contents->contents | |
1754 | && newmw->menu.contents->contents->change >= VISIBLE_CHANGE) | |
1755 | redisplay = True; | |
ba624d0f RS |
1756 | /* Do redisplay if the contents are entirely eliminated. */ |
1757 | if (newmw->menu.contents | |
1758 | && newmw->menu.contents->contents == 0 | |
1759 | && newmw->menu.contents->change >= VISIBLE_CHANGE) | |
1760 | redisplay = True; | |
07bf635f RS |
1761 | |
1762 | if (newmw->core.background_pixel != oldmw->core.background_pixel | |
d398028f PR |
1763 | || newmw->menu.foreground != oldmw->menu.foreground |
1764 | || newmw->menu.font != oldmw->menu.font) | |
07bf635f RS |
1765 | { |
1766 | release_drawing_gcs (newmw); | |
1767 | make_drawing_gcs (newmw); | |
1768 | redisplay = True; | |
1769 | ||
1770 | for (i = 0; i < oldmw->menu.windows_length; i++) | |
1771 | { | |
1772 | XSetWindowBackground (XtDisplay (oldmw), | |
1773 | oldmw->menu.windows [i].window, | |
1774 | newmw->core.background_pixel); | |
1775 | /* clear windows and generate expose events */ | |
1776 | XClearArea (XtDisplay (oldmw), oldmw->menu.windows[i].window, | |
1777 | 0, 0, 0, 0, True); | |
1778 | } | |
1779 | } | |
1780 | ||
1781 | return redisplay; | |
1782 | } | |
1783 | ||
1784 | static void | |
d398028f PR |
1785 | XlwMenuResize (w) |
1786 | Widget w; | |
07bf635f RS |
1787 | { |
1788 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1789 | ||
d398028f PR |
1790 | if (mw->menu.popped_up) |
1791 | { | |
1792 | /* Don't allow the popup menu to resize itself. */ | |
1793 | mw->core.width = mw->menu.windows [0].width; | |
1794 | mw->core.height = mw->menu.windows [0].height; | |
1795 | mw->core.parent->core.width = mw->core.width ; | |
1796 | mw->core.parent->core.height = mw->core.height ; | |
1797 | } | |
1798 | else | |
1799 | { | |
1800 | mw->menu.windows [0].width = mw->core.width; | |
1801 | mw->menu.windows [0].height = mw->core.height; | |
1802 | } | |
07bf635f RS |
1803 | } |
1804 | ||
1805 | \f/* Action procedures */ | |
1806 | static void | |
d398028f PR |
1807 | handle_single_motion_event (mw, ev) |
1808 | XlwMenuWidget mw; | |
1809 | XMotionEvent* ev; | |
07bf635f RS |
1810 | { |
1811 | widget_value* val; | |
1812 | int level; | |
1813 | ||
1814 | if (!map_event_to_widget_value (mw, ev, &val, &level)) | |
1815 | pop_new_stack_if_no_contents (mw); | |
1816 | else | |
1817 | set_new_state (mw, val, level); | |
1818 | remap_menubar (mw); | |
1819 | ||
1820 | /* Sync with the display. Makes it feel better on X terms. */ | |
1821 | XSync (XtDisplay (mw), False); | |
1822 | } | |
1823 | ||
1824 | static void | |
d398028f PR |
1825 | handle_motion_event (mw, ev) |
1826 | XlwMenuWidget mw; | |
1827 | XMotionEvent* ev; | |
07bf635f RS |
1828 | { |
1829 | int x = ev->x_root; | |
1830 | int y = ev->y_root; | |
1831 | int state = ev->state; | |
1832 | ||
1833 | handle_single_motion_event (mw, ev); | |
1834 | ||
1835 | /* allow motion events to be generated again */ | |
1836 | if (ev->is_hint | |
1837 | && XQueryPointer (XtDisplay (mw), ev->window, | |
1838 | &ev->root, &ev->subwindow, | |
1839 | &ev->x_root, &ev->y_root, | |
1840 | &ev->x, &ev->y, | |
1841 | &ev->state) | |
1842 | && ev->state == state | |
1843 | && (ev->x_root != x || ev->y_root != y)) | |
1844 | handle_single_motion_event (mw, ev); | |
1845 | } | |
1846 | ||
1847 | static void | |
d398028f PR |
1848 | Start (w, ev, params, num_params) |
1849 | Widget w; | |
1850 | XEvent *ev; | |
1851 | String *params; | |
1852 | Cardinal *num_params; | |
07bf635f RS |
1853 | { |
1854 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1855 | ||
d398028f PR |
1856 | if (!mw->menu.popped_up) |
1857 | { | |
1858 | menu_post_event = *ev; | |
a57a1605 | 1859 | pop_up_menu (mw, (XButtonPressedEvent*) ev); |
d398028f PR |
1860 | } |
1861 | else | |
4cc76151 PR |
1862 | { |
1863 | /* If we push a button while the menu is posted semipermanently, | |
1864 | releasing the button should always pop the menu down. */ | |
1865 | next_release_must_exit = 1; | |
d398028f | 1866 | |
4cc76151 PR |
1867 | /* notes the absolute position of the menubar window */ |
1868 | mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x; | |
1869 | mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y; | |
07bf635f | 1870 | |
4cc76151 PR |
1871 | /* handles the down like a move, slots are compatible */ |
1872 | handle_motion_event (mw, &ev->xmotion); | |
1873 | } | |
07bf635f RS |
1874 | } |
1875 | ||
1876 | static void | |
d398028f PR |
1877 | Drag (w, ev, params, num_params) |
1878 | Widget w; | |
1879 | XEvent *ev; | |
1880 | String *params; | |
1881 | Cardinal *num_params; | |
07bf635f RS |
1882 | { |
1883 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
3c9ce1c4 KH |
1884 | if (mw->menu.popped_up) |
1885 | handle_motion_event (mw, &ev->xmotion); | |
07bf635f RS |
1886 | } |
1887 | ||
ba624d0f RS |
1888 | /* Do nothing. |
1889 | This is how we handle presses and releases of modifier keys. */ | |
1890 | static void | |
1891 | Nothing (w, ev, params, num_params) | |
1892 | Widget w; | |
1893 | XEvent *ev; | |
1894 | String *params; | |
1895 | Cardinal *num_params; | |
1896 | { | |
1897 | } | |
1898 | ||
1899 | /* Handle key press and release events while menu is popped up. | |
1900 | Our action is to get rid of the menu. */ | |
1901 | static void | |
1902 | Key (w, ev, params, num_params) | |
1903 | Widget w; | |
1904 | XEvent *ev; | |
1905 | String *params; | |
1906 | Cardinal *num_params; | |
1907 | { | |
1908 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1909 | ||
1910 | /* Pop down everything. */ | |
1911 | mw->menu.new_depth = 1; | |
1912 | remap_menubar (mw); | |
1913 | ||
1914 | if (mw->menu.popped_up) | |
1915 | { | |
1916 | mw->menu.popped_up = False; | |
1917 | XtUngrabPointer ((Widget)mw, ev->xmotion.time); | |
1918 | if (XtIsShell (XtParent ((Widget) mw))) | |
1919 | XtPopdown (XtParent ((Widget) mw)); | |
1920 | else | |
1921 | { | |
1922 | XtRemoveGrab ((Widget) mw); | |
1923 | display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); | |
1924 | } | |
1925 | } | |
1926 | ||
1927 | /* callback */ | |
1928 | XtCallCallbackList ((Widget)mw, mw->menu.select, (XtPointer)0); | |
1929 | } | |
1930 | ||
1931 | static void | |
d398028f PR |
1932 | Select (w, ev, params, num_params) |
1933 | Widget w; | |
1934 | XEvent *ev; | |
1935 | String *params; | |
1936 | Cardinal *num_params; | |
07bf635f RS |
1937 | { |
1938 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1939 | widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1]; | |
1940 | ||
d398028f PR |
1941 | /* If user releases the button quickly, without selecting anything, |
1942 | after the initial down-click that brought the menu up, | |
1943 | do nothing. */ | |
1944 | if ((selected_item == 0 | |
1945 | || ((widget_value *) selected_item)->call_data == 0) | |
1946 | && !next_release_must_exit | |
1947 | && (ev->xbutton.time - menu_post_event.xbutton.time | |
1948 | < XtGetMultiClickTime (XtDisplay (w)))) | |
1949 | return; | |
1950 | ||
1951 | /* pop down everything. */ | |
07bf635f RS |
1952 | mw->menu.new_depth = 1; |
1953 | remap_menubar (mw); | |
1954 | ||
1955 | if (mw->menu.popped_up) | |
1956 | { | |
1957 | mw->menu.popped_up = False; | |
1958 | XtUngrabPointer ((Widget)mw, ev->xmotion.time); | |
2289f3f4 PR |
1959 | if (XtIsShell (XtParent ((Widget) mw))) |
1960 | XtPopdown (XtParent ((Widget) mw)); | |
4cc76151 PR |
1961 | else |
1962 | { | |
1963 | XtRemoveGrab ((Widget) mw); | |
1964 | display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); | |
1965 | } | |
07bf635f RS |
1966 | } |
1967 | ||
1968 | /* callback */ | |
1969 | XtCallCallbackList ((Widget)mw, mw->menu.select, (XtPointer)selected_item); | |
07bf635f RS |
1970 | } |
1971 | ||
1972 | ||
1973 | \f/* Special code to pop-up a menu */ | |
1974 | void | |
d398028f PR |
1975 | pop_up_menu (mw, event) |
1976 | XlwMenuWidget mw; | |
1977 | XButtonPressedEvent* event; | |
07bf635f RS |
1978 | { |
1979 | int x = event->x_root; | |
1980 | int y = event->y_root; | |
1981 | int w; | |
1982 | int h; | |
1983 | int borderwidth = mw->menu.shadow_thickness; | |
1984 | Screen* screen = XtScreen (mw); | |
8400b9ed | 1985 | Display *display = XtDisplay (mw); |
5efb61c7 | 1986 | int count; |
07bf635f | 1987 | |
d398028f PR |
1988 | next_release_must_exit = 0; |
1989 | ||
07bf635f RS |
1990 | XtCallCallbackList ((Widget)mw, mw->menu.open, NULL); |
1991 | ||
2289f3f4 | 1992 | if (XtIsShell (XtParent ((Widget)mw))) |
4cc76151 | 1993 | size_menu (mw, 0); |
07bf635f RS |
1994 | |
1995 | w = mw->menu.windows [0].width; | |
1996 | h = mw->menu.windows [0].height; | |
1997 | ||
1998 | x -= borderwidth; | |
1999 | y -= borderwidth; | |
2000 | if (x < borderwidth) | |
2001 | x = borderwidth; | |
2002 | if (x + w + 2 * borderwidth > WidthOfScreen (screen)) | |
2003 | x = WidthOfScreen (screen) - w - 2 * borderwidth; | |
2004 | if (y < borderwidth) | |
2005 | y = borderwidth; | |
2006 | if (y + h + 2 * borderwidth> HeightOfScreen (screen)) | |
2007 | y = HeightOfScreen (screen) - h - 2 * borderwidth; | |
2008 | ||
2009 | mw->menu.popped_up = True; | |
2289f3f4 | 2010 | if (XtIsShell (XtParent ((Widget)mw))) |
4cc76151 | 2011 | { |
2289f3f4 PR |
2012 | XtConfigureWidget (XtParent ((Widget)mw), x, y, w, h, |
2013 | XtParent ((Widget)mw)->core.border_width); | |
2014 | XtPopup (XtParent ((Widget)mw), XtGrabExclusive); | |
4cc76151 PR |
2015 | display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); |
2016 | mw->menu.windows [0].x = x + borderwidth; | |
2017 | mw->menu.windows [0].y = y + borderwidth; | |
2018 | } | |
2019 | else | |
2020 | { | |
2021 | XEvent *ev = (XEvent *) event; | |
2022 | ||
87a559bf | 2023 | XtAddGrab ((Widget) mw, True, True); |
4cc76151 PR |
2024 | |
2025 | /* notes the absolute position of the menubar window */ | |
2026 | mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x; | |
2027 | mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y; | |
2028 | } | |
2029 | ||
d398028f | 2030 | #ifdef emacs |
5efb61c7 | 2031 | count = x_catch_errors (display); |
d398028f | 2032 | #endif |
87a559bf PR |
2033 | XtGrabPointer ((Widget)mw, False, |
2034 | (PointerMotionMask | |
2035 | | PointerMotionHintMask | |
2036 | | ButtonReleaseMask | |
2037 | | ButtonPressMask), | |
2038 | GrabModeAsync, GrabModeAsync, None, | |
2039 | mw->menu.cursor_shape, | |
2040 | event->time); | |
2041 | pointer_grabbed = 1; | |
d398028f | 2042 | #ifdef emacs |
8400b9ed | 2043 | if (x_had_errors_p (display)) |
d398028f PR |
2044 | { |
2045 | pointer_grabbed = 0; | |
2046 | XtUngrabPointer ((Widget)mw, event->time); | |
2047 | } | |
5efb61c7 | 2048 | x_uncatch_errors (display, count); |
d398028f | 2049 | #endif |
07bf635f | 2050 | |
07bf635f RS |
2051 | handle_motion_event (mw, (XMotionEvent*)event); |
2052 | } |