Commit | Line | Data |
---|---|---|
5c520e0a | 1 | /* Implements a lightweight menubar widget. |
07bf635f | 2 | Copyright (C) 1992 Lucid, Inc. |
a7e19a26 | 3 | Copyright (C) 2002 Free Software Foundation, Inc. |
07bf635f RS |
4 | |
5 | This file is part of the Lucid Widget Library. | |
6 | ||
5c520e0a | 7 | The Lucid Widget Library is free software; you can redistribute it and/or |
07bf635f RS |
8 | modify 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 | The Lucid Widget Library is distributed in the hope that it will be useful, | |
5c520e0a | 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
07bf635f RS |
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 | |
1fb87c77 KH |
18 | along with GNU Emacs; see the file COPYING. If not, write to the |
19 | Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
07bf635f RS |
21 | |
22 | /* Created by devin@lucid.com */ | |
23 | ||
0f0912e6 PE |
24 | #ifdef HAVE_CONFIG_H |
25 | #include <config.h> | |
26 | #endif | |
27 | ||
2f96293d RS |
28 | #include "../src/lisp.h" |
29 | ||
07bf635f RS |
30 | #include <stdio.h> |
31 | ||
32 | #include <sys/types.h> | |
5c520e0a SS |
33 | #if (defined __sun) && !(defined SUNOS41) |
34 | #define SUNOS41 | |
07bf635f | 35 | #include <X11/Xos.h> |
5c520e0a SS |
36 | #undef SUNOS41 |
37 | #else | |
38 | #include <X11/Xos.h> | |
39 | #endif | |
07bf635f | 40 | #include <X11/IntrinsicP.h> |
2289f3f4 | 41 | #include <X11/ObjectP.h> |
07bf635f RS |
42 | #include <X11/StringDefs.h> |
43 | #include <X11/cursorfont.h> | |
07bf635f | 44 | #include "xlwmenuP.h" |
fc8fefed | 45 | |
a57a1605 | 46 | #ifdef emacs |
f1c16db4 GM |
47 | |
48 | /* Defined in xfns.c. When config.h defines `static' as empty, we get | |
49 | redefinition errors when gray_bitmap is included more than once, so | |
50 | we're referring to the one include in xfns.c here. */ | |
51 | ||
52 | extern int gray_bitmap_width; | |
53 | extern int gray_bitmap_height; | |
5916243b | 54 | extern char *gray_bitmap_bits; |
f1c16db4 | 55 | |
a57a1605 DL |
56 | /* Defined in xterm.c. */ |
57 | extern int x_alloc_nearest_color_for_widget __P ((Widget, Colormap, XColor*)); | |
65c0ae05 MB |
58 | extern int x_alloc_lighter_color_for_widget __P ((Widget, Display*, Colormap, |
59 | unsigned long *, | |
60 | double, int)); | |
a57a1605 DL |
61 | extern int x_catch_errors __P ((Display*)); |
62 | extern int x_uncatch_errors __P ((Display*, int)); | |
63 | extern int x_had_errors_p __P ((Display*)); | |
64 | extern int x_clear_errors __P ((Display*)); | |
fc8fefed GM |
65 | extern unsigned long x_copy_dpy_color __P ((Display *, Colormap, |
66 | unsigned long)); | |
67 | ||
68 | /* Defined in xfaces.c. */ | |
69 | extern void x_free_dpy_colors __P ((Display *, Screen *, Colormap, | |
70 | unsigned long *pixels, int npixels)); | |
f1c16db4 GM |
71 | #else /* not emacs */ |
72 | ||
73 | #include <X11/bitmaps/gray> | |
74 | #define gray_bitmap_width gray_width | |
75 | #define gray_bitmap_height gray_height | |
76 | #define gray_bitmap_bits gray_bits | |
77 | ||
78 | #endif /* not emacs */ | |
d398028f PR |
79 | |
80 | static int pointer_grabbed; | |
81 | static XEvent menu_post_event; | |
07bf635f | 82 | |
47d52240 RS |
83 | XFontStruct *xlwmenu_default_font; |
84 | ||
5c520e0a SS |
85 | static char |
86 | xlwMenuTranslations [] = | |
ba624d0f RS |
87 | "<BtnDown>: start()\n\ |
88 | <Motion>: drag()\n\ | |
89 | <BtnUp>: select()\n\ | |
90 | <Key>Shift_L: nothing()\n\ | |
91 | <Key>Shift_R: nothing()\n\ | |
92 | <Key>Meta_L: nothing()\n\ | |
93 | <Key>Meta_R: nothing()\n\ | |
94 | <Key>Control_L: nothing()\n\ | |
95 | <Key>Control_R: nothing()\n\ | |
96 | <Key>Hyper_L: nothing()\n\ | |
97 | <Key>Hyper_R: nothing()\n\ | |
98 | <Key>Super_L: nothing()\n\ | |
99 | <Key>Super_R: nothing()\n\ | |
100 | <Key>Alt_L: nothing()\n\ | |
101 | <Key>Alt_R: nothing()\n\ | |
102 | <Key>Caps_Lock: nothing()\n\ | |
103 | <Key>Shift_Lock: nothing()\n\ | |
104 | <KeyUp>Shift_L: nothing()\n\ | |
105 | <KeyUp>Shift_R: nothing()\n\ | |
106 | <KeyUp>Meta_L: nothing()\n\ | |
107 | <KeyUp>Meta_R: nothing()\n\ | |
108 | <KeyUp>Control_L: nothing()\n\ | |
109 | <KeyUp>Control_R: nothing()\n\ | |
110 | <KeyUp>Hyper_L: nothing()\n\ | |
111 | <KeyUp>Hyper_R: nothing()\n\ | |
112 | <KeyUp>Super_L: nothing()\n\ | |
113 | <KeyUp>Super_R: nothing()\n\ | |
114 | <KeyUp>Alt_L: nothing()\n\ | |
115 | <KeyUp>Alt_R: nothing()\n\ | |
116 | <KeyUp>Caps_Lock: nothing()\n\ | |
117 | <KeyUp>Shift_Lock:nothing()\n\ | |
a7e19a26 PJ |
118 | <Key>Return: select()\n\ |
119 | <Key>Down: down()\n\ | |
120 | <Key>Up: up()\n\ | |
121 | <Key>Left: left()\n\ | |
122 | <Key>Right: right()\n\ | |
ba624d0f RS |
123 | <Key>: key()\n\ |
124 | <KeyUp>: key()\n\ | |
07bf635f RS |
125 | "; |
126 | ||
a7e19a26 PJ |
127 | /* FIXME: Space should toggle toggleable menu item but not remove the menu |
128 | so you can toggle the next one without entering the menu again. */ | |
129 | ||
130 | /* FIXME: Should ESC close one level of menu structure or the complete menu? */ | |
131 | ||
2376c841 | 132 | /* FIXME: F10 should enter the menu, the first one in the menu-bar. */ |
a7e19a26 | 133 | |
07bf635f | 134 | #define offset(field) XtOffset(XlwMenuWidget, field) |
5c520e0a | 135 | static XtResource |
07bf635f | 136 | xlwMenuResources[] = |
5c520e0a | 137 | { |
07bf635f RS |
138 | {XtNfont, XtCFont, XtRFontStruct, sizeof(XFontStruct *), |
139 | offset(menu.font),XtRString, "XtDefaultFont"}, | |
140 | {XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel), | |
141 | offset(menu.foreground), XtRString, "XtDefaultForeground"}, | |
142 | {XtNbuttonForeground, XtCButtonForeground, XtRPixel, sizeof(Pixel), | |
143 | offset(menu.button_foreground), XtRString, "XtDefaultForeground"}, | |
144 | {XtNmargin, XtCMargin, XtRDimension, sizeof(Dimension), | |
2376c841 | 145 | offset(menu.margin), XtRImmediate, (XtPointer)1}, |
07bf635f RS |
146 | {XtNhorizontalSpacing, XtCMargin, XtRDimension, sizeof(Dimension), |
147 | offset(menu.horizontal_spacing), XtRImmediate, (XtPointer)3}, | |
148 | {XtNverticalSpacing, XtCMargin, XtRDimension, sizeof(Dimension), | |
2376c841 | 149 | offset(menu.vertical_spacing), XtRImmediate, (XtPointer)2}, |
07bf635f RS |
150 | {XtNarrowSpacing, XtCMargin, XtRDimension, sizeof(Dimension), |
151 | offset(menu.arrow_spacing), XtRImmediate, (XtPointer)10}, | |
152 | ||
d398028f | 153 | {XmNshadowThickness, XmCShadowThickness, XtRDimension, |
07bf635f | 154 | sizeof (Dimension), offset (menu.shadow_thickness), |
2376c841 | 155 | XtRImmediate, (XtPointer)1}, |
07bf635f RS |
156 | {XmNtopShadowColor, XmCTopShadowColor, XtRPixel, sizeof (Pixel), |
157 | offset (menu.top_shadow_color), XtRImmediate, (XtPointer)-1}, | |
158 | {XmNbottomShadowColor, XmCBottomShadowColor, XtRPixel, sizeof (Pixel), | |
159 | offset (menu.bottom_shadow_color), XtRImmediate, (XtPointer)-1}, | |
160 | {XmNtopShadowPixmap, XmCTopShadowPixmap, XtRPixmap, sizeof (Pixmap), | |
161 | offset (menu.top_shadow_pixmap), XtRImmediate, (XtPointer)None}, | |
162 | {XmNbottomShadowPixmap, XmCBottomShadowPixmap, XtRPixmap, sizeof (Pixmap), | |
163 | offset (menu.bottom_shadow_pixmap), XtRImmediate, (XtPointer)None}, | |
164 | ||
5c520e0a | 165 | {XtNopen, XtCCallback, XtRCallback, sizeof(XtPointer), |
07bf635f | 166 | offset(menu.open), XtRCallback, (XtPointer)NULL}, |
5c520e0a | 167 | {XtNselect, XtCCallback, XtRCallback, sizeof(XtPointer), |
07bf635f | 168 | offset(menu.select), XtRCallback, (XtPointer)NULL}, |
5c520e0a | 169 | {XtNhighlightCallback, XtCCallback, XtRCallback, sizeof(XtPointer), |
d6fd6371 | 170 | offset(menu.highlight), XtRCallback, (XtPointer)NULL}, |
07bf635f RS |
171 | {XtNmenu, XtCMenu, XtRPointer, sizeof(XtPointer), |
172 | offset(menu.contents), XtRImmediate, (XtPointer)NULL}, | |
173 | {XtNcursor, XtCCursor, XtRCursor, sizeof(Cursor), | |
174 | offset(menu.cursor_shape), XtRString, (XtPointer)"right_ptr"}, | |
175 | {XtNhorizontal, XtCHorizontal, XtRInt, sizeof(int), | |
176 | offset(menu.horizontal), XtRImmediate, (XtPointer)True}, | |
177 | }; | |
178 | #undef offset | |
179 | ||
180 | static Boolean XlwMenuSetValues(); | |
181 | static void XlwMenuRealize(); | |
182 | static void XlwMenuRedisplay(); | |
183 | static void XlwMenuResize(); | |
184 | static void XlwMenuInitialize(); | |
185 | static void XlwMenuRedisplay(); | |
186 | static void XlwMenuDestroy(); | |
187 | static void XlwMenuClassInitialize(); | |
188 | static void Start(); | |
189 | static void Drag(); | |
a7e19a26 PJ |
190 | static void Down(); |
191 | static void Up(); | |
192 | static void Left(); | |
193 | static void Right(); | |
07bf635f | 194 | static void Select(); |
ba624d0f RS |
195 | static void Key(); |
196 | static void Nothing(); | |
be06a3df | 197 | static int separator_height (); |
07bf635f | 198 | |
5c520e0a | 199 | static XtActionsRec |
07bf635f RS |
200 | xlwMenuActionsList [] = |
201 | { | |
202 | {"start", Start}, | |
203 | {"drag", Drag}, | |
a7e19a26 PJ |
204 | {"down", Down}, |
205 | {"up", Up}, | |
206 | {"left", Left}, | |
207 | {"right", Right}, | |
07bf635f | 208 | {"select", Select}, |
ba624d0f RS |
209 | {"key", Key}, |
210 | {"nothing", Nothing}, | |
07bf635f RS |
211 | }; |
212 | ||
213 | #define SuperClass ((CoreWidgetClass)&coreClassRec) | |
214 | ||
215 | XlwMenuClassRec xlwMenuClassRec = | |
216 | { | |
217 | { /* CoreClass fields initialization */ | |
5c520e0a | 218 | (WidgetClass) SuperClass, /* superclass */ |
07bf635f RS |
219 | "XlwMenu", /* class_name */ |
220 | sizeof(XlwMenuRec), /* size */ | |
221 | XlwMenuClassInitialize, /* class_initialize */ | |
222 | NULL, /* class_part_initialize */ | |
223 | FALSE, /* class_inited */ | |
224 | XlwMenuInitialize, /* initialize */ | |
225 | NULL, /* initialize_hook */ | |
226 | XlwMenuRealize, /* realize */ | |
227 | xlwMenuActionsList, /* actions */ | |
228 | XtNumber(xlwMenuActionsList), /* num_actions */ | |
229 | xlwMenuResources, /* resources */ | |
230 | XtNumber(xlwMenuResources), /* resource_count */ | |
231 | NULLQUARK, /* xrm_class */ | |
232 | TRUE, /* compress_motion */ | |
233 | TRUE, /* compress_exposure */ | |
234 | TRUE, /* compress_enterleave */ | |
235 | FALSE, /* visible_interest */ | |
236 | XlwMenuDestroy, /* destroy */ | |
237 | XlwMenuResize, /* resize */ | |
238 | XlwMenuRedisplay, /* expose */ | |
239 | XlwMenuSetValues, /* set_values */ | |
240 | NULL, /* set_values_hook */ | |
241 | XtInheritSetValuesAlmost, /* set_values_almost */ | |
242 | NULL, /* get_values_hook */ | |
243 | NULL, /* accept_focus */ | |
244 | XtVersion, /* version */ | |
245 | NULL, /* callback_private */ | |
246 | xlwMenuTranslations, /* tm_table */ | |
247 | XtInheritQueryGeometry, /* query_geometry */ | |
248 | XtInheritDisplayAccelerator, /* display_accelerator */ | |
249 | NULL /* extension */ | |
250 | }, /* XlwMenuClass fields initialization */ | |
251 | { | |
252 | 0 /* dummy */ | |
253 | }, | |
254 | }; | |
255 | ||
256 | WidgetClass xlwMenuWidgetClass = (WidgetClass) &xlwMenuClassRec; | |
257 | ||
d398028f PR |
258 | int submenu_destroyed; |
259 | ||
005e0d57 JD |
260 | /* For debug, if installation-directory is non-nil this is not an installed |
261 | Emacs. In that case we do not grab the keyboard to make it easier to | |
262 | debug. */ | |
263 | #define GRAB_KEYBOARD (EQ (Vinstallation_directory, Qnil)) | |
4db7db7d | 264 | |
d398028f PR |
265 | static int next_release_must_exit; |
266 | ||
07bf635f | 267 | \f/* Utilities */ |
be06a3df | 268 | |
4db7db7d JD |
269 | /* Ungrab pointer and keyboard */ |
270 | static void | |
271 | ungrab_all (w, ungrabtime) | |
272 | Widget w; | |
273 | Time ungrabtime; | |
274 | { | |
275 | XtUngrabPointer (w, ungrabtime); | |
005e0d57 | 276 | if (GRAB_KEYBOARD) XtUngrabKeyboard (w, ungrabtime); |
4db7db7d | 277 | } |
be06a3df GM |
278 | |
279 | /* Like abort, but remove grabs from widget W before. */ | |
280 | ||
281 | static void | |
282 | abort_gracefully (w) | |
283 | Widget w; | |
284 | { | |
285 | if (XtIsShell (XtParent (w))) | |
286 | XtRemoveGrab (w); | |
4db7db7d | 287 | ungrab_all (w, CurrentTime); |
be06a3df GM |
288 | abort (); |
289 | } | |
290 | ||
07bf635f | 291 | static void |
d398028f PR |
292 | push_new_stack (mw, val) |
293 | XlwMenuWidget mw; | |
294 | widget_value* val; | |
07bf635f RS |
295 | { |
296 | if (!mw->menu.new_stack) | |
297 | { | |
298 | mw->menu.new_stack_length = 10; | |
299 | mw->menu.new_stack = | |
300 | (widget_value**)XtCalloc (mw->menu.new_stack_length, | |
301 | sizeof (widget_value*)); | |
302 | } | |
303 | else if (mw->menu.new_depth == mw->menu.new_stack_length) | |
304 | { | |
305 | mw->menu.new_stack_length *= 2; | |
306 | mw->menu.new_stack = | |
307 | (widget_value**)XtRealloc ((char*)mw->menu.new_stack, | |
308 | mw->menu.new_stack_length * sizeof (widget_value*)); | |
309 | } | |
310 | mw->menu.new_stack [mw->menu.new_depth++] = val; | |
311 | } | |
312 | ||
313 | static void | |
d398028f PR |
314 | pop_new_stack_if_no_contents (mw) |
315 | XlwMenuWidget mw; | |
07bf635f RS |
316 | { |
317 | if (mw->menu.new_depth) | |
318 | { | |
319 | if (!mw->menu.new_stack [mw->menu.new_depth - 1]->contents) | |
320 | mw->menu.new_depth -= 1; | |
321 | } | |
322 | } | |
323 | ||
324 | static void | |
d398028f PR |
325 | make_old_stack_space (mw, n) |
326 | XlwMenuWidget mw; | |
327 | int n; | |
07bf635f RS |
328 | { |
329 | if (!mw->menu.old_stack) | |
330 | { | |
331 | mw->menu.old_stack_length = 10; | |
332 | mw->menu.old_stack = | |
333 | (widget_value**)XtCalloc (mw->menu.old_stack_length, | |
334 | sizeof (widget_value*)); | |
335 | } | |
336 | else if (mw->menu.old_stack_length < n) | |
337 | { | |
338 | mw->menu.old_stack_length *= 2; | |
339 | mw->menu.old_stack = | |
340 | (widget_value**)XtRealloc ((char*)mw->menu.old_stack, | |
341 | mw->menu.old_stack_length * sizeof (widget_value*)); | |
342 | } | |
343 | } | |
344 | ||
345 | \f/* Size code */ | |
d398028f PR |
346 | int |
347 | string_width (mw, s) | |
348 | XlwMenuWidget mw; | |
349 | char *s; | |
07bf635f RS |
350 | { |
351 | XCharStruct xcs; | |
352 | int drop; | |
5c520e0a | 353 | |
07bf635f RS |
354 | XTextExtents (mw->menu.font, s, strlen (s), &drop, &drop, &drop, &xcs); |
355 | return xcs.width; | |
356 | } | |
357 | ||
358 | static int | |
d398028f PR |
359 | arrow_width (mw) |
360 | XlwMenuWidget mw; | |
07bf635f | 361 | { |
be06a3df | 362 | return (mw->menu.font->ascent * 3/4) | 1; |
07bf635f RS |
363 | } |
364 | ||
be06a3df GM |
365 | /* Return the width of toggle buttons of widget MW. */ |
366 | ||
367 | static int | |
368 | toggle_button_width (mw) | |
369 | XlwMenuWidget mw; | |
370 | { | |
371 | return ((mw->menu.font->ascent + mw->menu.font->descent) * 2 / 3) | 1; | |
372 | } | |
373 | ||
374 | ||
375 | /* Return the width of radio buttons of widget MW. */ | |
376 | ||
377 | static int | |
378 | radio_button_width (mw) | |
379 | XlwMenuWidget mw; | |
380 | { | |
381 | return toggle_button_width (mw) * 1.41; | |
382 | } | |
383 | ||
384 | ||
07bf635f RS |
385 | static XtResource |
386 | nameResource[] = | |
5c520e0a | 387 | { |
07bf635f RS |
388 | {"labelString", "LabelString", XtRString, sizeof(String), |
389 | 0, XtRImmediate, 0}, | |
390 | }; | |
391 | ||
392 | static char* | |
d398028f PR |
393 | resource_widget_value (mw, val) |
394 | XlwMenuWidget mw; | |
395 | widget_value *val; | |
07bf635f RS |
396 | { |
397 | if (!val->toolkit_data) | |
398 | { | |
399 | char* resourced_name = NULL; | |
400 | char* complete_name; | |
401 | XtGetSubresources ((Widget) mw, | |
402 | (XtPointer) &resourced_name, | |
403 | val->name, val->name, | |
404 | nameResource, 1, NULL, 0); | |
405 | if (!resourced_name) | |
406 | resourced_name = val->name; | |
407 | if (!val->value) | |
d97342f3 RS |
408 | { |
409 | complete_name = (char *) XtMalloc (strlen (resourced_name) + 1); | |
410 | strcpy (complete_name, resourced_name); | |
411 | } | |
07bf635f RS |
412 | else |
413 | { | |
414 | int complete_length = | |
415 | strlen (resourced_name) + strlen (val->value) + 2; | |
416 | complete_name = XtMalloc (complete_length); | |
417 | *complete_name = 0; | |
418 | strcat (complete_name, resourced_name); | |
419 | strcat (complete_name, " "); | |
420 | strcat (complete_name, val->value); | |
421 | } | |
422 | ||
423 | val->toolkit_data = complete_name; | |
424 | val->free_toolkit_data = True; | |
425 | } | |
426 | return (char*)val->toolkit_data; | |
427 | } | |
428 | ||
429 | /* Returns the sizes of an item */ | |
430 | static void | |
be06a3df GM |
431 | size_menu_item (mw, val, horizontal_p, label_width, rest_width, button_width, |
432 | height) | |
d398028f PR |
433 | XlwMenuWidget mw; |
434 | widget_value* val; | |
435 | int horizontal_p; | |
436 | int* label_width; | |
437 | int* rest_width; | |
be06a3df | 438 | int* button_width; |
d398028f | 439 | int* height; |
07bf635f | 440 | { |
be06a3df | 441 | enum menu_separator separator; |
5c520e0a | 442 | |
be06a3df | 443 | if (lw_separator_p (val->name, &separator, 0)) |
07bf635f | 444 | { |
be06a3df | 445 | *height = separator_height (separator); |
07bf635f RS |
446 | *label_width = 1; |
447 | *rest_width = 0; | |
be06a3df | 448 | *button_width = 0; |
07bf635f RS |
449 | } |
450 | else | |
451 | { | |
452 | *height = | |
453 | mw->menu.font->ascent + mw->menu.font->descent | |
454 | + 2 * mw->menu.vertical_spacing + 2 * mw->menu.shadow_thickness; | |
5c520e0a | 455 | |
07bf635f RS |
456 | *label_width = |
457 | string_width (mw, resource_widget_value (mw, val)) | |
458 | + mw->menu.horizontal_spacing + mw->menu.shadow_thickness; | |
5c520e0a | 459 | |
07bf635f RS |
460 | *rest_width = mw->menu.horizontal_spacing + mw->menu.shadow_thickness; |
461 | if (!horizontal_p) | |
462 | { | |
463 | if (val->contents) | |
be06a3df | 464 | /* Add width of the arrow displayed for submenus. */ |
07bf635f RS |
465 | *rest_width += arrow_width (mw) + mw->menu.arrow_spacing; |
466 | else if (val->key) | |
be06a3df GM |
467 | /* Add width of key equivalent string. */ |
468 | *rest_width += (string_width (mw, val->key) | |
469 | + mw->menu.arrow_spacing); | |
470 | ||
471 | if (val->button_type == BUTTON_TYPE_TOGGLE) | |
472 | *button_width = (toggle_button_width (mw) | |
473 | + mw->menu.horizontal_spacing); | |
474 | else if (val->button_type == BUTTON_TYPE_RADIO) | |
475 | *button_width = (radio_button_width (mw) | |
476 | + mw->menu.horizontal_spacing); | |
07bf635f RS |
477 | } |
478 | } | |
479 | } | |
480 | ||
481 | static void | |
d398028f PR |
482 | size_menu (mw, level) |
483 | XlwMenuWidget mw; | |
484 | int level; | |
07bf635f | 485 | { |
ccf589a6 | 486 | unsigned int label_width = 0; |
07bf635f | 487 | int rest_width = 0; |
be06a3df | 488 | int button_width = 0; |
07bf635f | 489 | int max_rest_width = 0; |
be06a3df | 490 | int max_button_width = 0; |
ccf589a6 | 491 | unsigned int height = 0; |
07bf635f RS |
492 | int horizontal_p = mw->menu.horizontal && (level == 0); |
493 | widget_value* val; | |
494 | window_state* ws; | |
495 | ||
496 | if (level >= mw->menu.old_depth) | |
be06a3df | 497 | abort_gracefully ((Widget) mw); |
07bf635f | 498 | |
5c520e0a | 499 | ws = &mw->menu.windows [level]; |
07bf635f RS |
500 | ws->width = 0; |
501 | ws->height = 0; | |
502 | ws->label_width = 0; | |
be06a3df | 503 | ws->button_width = 0; |
07bf635f RS |
504 | |
505 | for (val = mw->menu.old_stack [level]->contents; val; val = val->next) | |
506 | { | |
507 | size_menu_item (mw, val, horizontal_p, &label_width, &rest_width, | |
be06a3df | 508 | &button_width, &height); |
07bf635f RS |
509 | if (horizontal_p) |
510 | { | |
511 | ws->width += label_width + rest_width; | |
512 | if (height > ws->height) | |
513 | ws->height = height; | |
514 | } | |
515 | else | |
516 | { | |
517 | if (label_width > ws->label_width) | |
518 | ws->label_width = label_width; | |
519 | if (rest_width > max_rest_width) | |
520 | max_rest_width = rest_width; | |
be06a3df GM |
521 | if (button_width > max_button_width) |
522 | max_button_width = button_width; | |
07bf635f RS |
523 | ws->height += height; |
524 | } | |
525 | } | |
5c520e0a | 526 | |
07bf635f | 527 | if (horizontal_p) |
be06a3df | 528 | ws->label_width = ws->button_width = 0; |
07bf635f | 529 | else |
be06a3df GM |
530 | { |
531 | ws->width = ws->label_width + max_rest_width + max_button_width; | |
532 | ws->button_width = max_button_width; | |
533 | } | |
07bf635f RS |
534 | |
535 | ws->width += 2 * mw->menu.shadow_thickness; | |
536 | ws->height += 2 * mw->menu.shadow_thickness; | |
be06a3df GM |
537 | |
538 | if (horizontal_p) | |
539 | { | |
540 | ws->width += 2 * mw->menu.margin; | |
541 | ws->height += 2 * mw->menu.margin; | |
542 | } | |
07bf635f RS |
543 | } |
544 | ||
545 | ||
546 | \f/* Display code */ | |
be06a3df | 547 | |
07bf635f | 548 | static void |
be06a3df | 549 | draw_arrow (mw, window, gc, x, y, width, down_p) |
d398028f PR |
550 | XlwMenuWidget mw; |
551 | Window window; | |
552 | GC gc; | |
553 | int x; | |
554 | int y; | |
555 | int width; | |
be06a3df | 556 | int down_p; |
07bf635f | 557 | { |
be06a3df GM |
558 | Display *dpy = XtDisplay (mw); |
559 | GC top_gc = mw->menu.shadow_top_gc; | |
560 | GC bottom_gc = mw->menu.shadow_bottom_gc; | |
561 | int thickness = mw->menu.shadow_thickness; | |
562 | int height = width; | |
563 | XPoint pt[10]; | |
564 | /* alpha = atan (0.5) | |
565 | factor = (1 + sin (alpha)) / cos (alpha) */ | |
566 | double factor = 1.62; | |
567 | int thickness2 = thickness * factor; | |
5c520e0a | 568 | |
be06a3df | 569 | y += (mw->menu.font->ascent + mw->menu.font->descent - height) / 2; |
5c520e0a | 570 | |
be06a3df GM |
571 | if (down_p) |
572 | { | |
573 | GC temp; | |
574 | temp = top_gc; | |
575 | top_gc = bottom_gc; | |
576 | bottom_gc = temp; | |
577 | } | |
578 | ||
579 | pt[0].x = x; | |
580 | pt[0].y = y + height; | |
581 | pt[1].x = x + thickness; | |
582 | pt[1].y = y + height - thickness2; | |
583 | pt[2].x = x + thickness2; | |
584 | pt[2].y = y + thickness2; | |
585 | pt[3].x = x; | |
586 | pt[3].y = y; | |
587 | XFillPolygon (dpy, window, top_gc, pt, 4, Convex, CoordModeOrigin); | |
5c520e0a | 588 | |
be06a3df GM |
589 | pt[0].x = x; |
590 | pt[0].y = y; | |
591 | pt[1].x = x + thickness; | |
592 | pt[1].y = y + thickness2; | |
593 | pt[2].x = x + width - thickness2; | |
594 | pt[2].y = y + height / 2; | |
595 | pt[3].x = x + width; | |
596 | pt[3].y = y + height / 2; | |
597 | XFillPolygon (dpy, window, top_gc, pt, 4, Convex, CoordModeOrigin); | |
5c520e0a | 598 | |
be06a3df GM |
599 | pt[0].x = x; |
600 | pt[0].y = y + height; | |
601 | pt[1].x = x + thickness; | |
602 | pt[1].y = y + height - thickness2; | |
603 | pt[2].x = x + width - thickness2; | |
604 | pt[2].y = y + height / 2; | |
605 | pt[3].x = x + width; | |
606 | pt[3].y = y + height / 2; | |
607 | XFillPolygon (dpy, window, bottom_gc, pt, 4, Convex, CoordModeOrigin); | |
07bf635f RS |
608 | } |
609 | ||
be06a3df GM |
610 | |
611 | ||
07bf635f | 612 | static void |
be06a3df | 613 | draw_shadow_rectangle (mw, window, x, y, width, height, erase_p, down_p) |
d398028f PR |
614 | XlwMenuWidget mw; |
615 | Window window; | |
616 | int x; | |
617 | int y; | |
618 | int width; | |
619 | int height; | |
620 | int erase_p; | |
be06a3df | 621 | int down_p; |
07bf635f RS |
622 | { |
623 | Display *dpy = XtDisplay (mw); | |
624 | GC top_gc = !erase_p ? mw->menu.shadow_top_gc : mw->menu.background_gc; | |
625 | GC bottom_gc = !erase_p ? mw->menu.shadow_bottom_gc : mw->menu.background_gc; | |
626 | int thickness = mw->menu.shadow_thickness; | |
627 | XPoint points [4]; | |
be06a3df GM |
628 | |
629 | if (!erase_p && down_p) | |
630 | { | |
631 | GC temp; | |
632 | temp = top_gc; | |
633 | top_gc = bottom_gc; | |
634 | bottom_gc = temp; | |
635 | } | |
5c520e0a | 636 | |
07bf635f RS |
637 | points [0].x = x; |
638 | points [0].y = y; | |
639 | points [1].x = x + width; | |
640 | points [1].y = y; | |
641 | points [2].x = x + width - thickness; | |
642 | points [2].y = y + thickness; | |
643 | points [3].x = x; | |
644 | points [3].y = y + thickness; | |
645 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
646 | points [0].x = x; | |
647 | points [0].y = y + thickness; | |
648 | points [1].x = x; | |
649 | points [1].y = y + height; | |
650 | points [2].x = x + thickness; | |
651 | points [2].y = y + height - thickness; | |
652 | points [3].x = x + thickness; | |
653 | points [3].y = y + thickness; | |
654 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
655 | points [0].x = x + width; | |
656 | points [0].y = y; | |
657 | points [1].x = x + width - thickness; | |
658 | points [1].y = y + thickness; | |
659 | points [2].x = x + width - thickness; | |
660 | points [2].y = y + height - thickness; | |
661 | points [3].x = x + width; | |
662 | points [3].y = y + height - thickness; | |
663 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
664 | points [0].x = x; | |
665 | points [0].y = y + height; | |
666 | points [1].x = x + width; | |
667 | points [1].y = y + height; | |
668 | points [2].x = x + width; | |
669 | points [2].y = y + height - thickness; | |
670 | points [3].x = x + thickness; | |
671 | points [3].y = y + height - thickness; | |
672 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
673 | } | |
674 | ||
675 | ||
be06a3df GM |
676 | static void |
677 | draw_shadow_rhombus (mw, window, x, y, width, height, erase_p, down_p) | |
678 | XlwMenuWidget mw; | |
679 | Window window; | |
680 | int x; | |
681 | int y; | |
682 | int width; | |
683 | int height; | |
684 | int erase_p; | |
685 | int down_p; | |
686 | { | |
687 | Display *dpy = XtDisplay (mw); | |
688 | GC top_gc = !erase_p ? mw->menu.shadow_top_gc : mw->menu.background_gc; | |
689 | GC bottom_gc = !erase_p ? mw->menu.shadow_bottom_gc : mw->menu.background_gc; | |
690 | int thickness = mw->menu.shadow_thickness; | |
691 | XPoint points [4]; | |
be06a3df GM |
692 | |
693 | if (!erase_p && down_p) | |
694 | { | |
695 | GC temp; | |
696 | temp = top_gc; | |
697 | top_gc = bottom_gc; | |
698 | bottom_gc = temp; | |
699 | } | |
700 | ||
701 | points [0].x = x; | |
702 | points [0].y = y + height / 2; | |
703 | points [1].x = x + thickness; | |
704 | points [1].y = y + height / 2; | |
705 | points [2].x = x + width / 2; | |
706 | points [2].y = y + thickness; | |
707 | points [3].x = x + width / 2; | |
708 | points [3].y = y; | |
709 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
710 | points [0].x = x + width / 2; | |
711 | points [0].y = y; | |
712 | points [1].x = x + width / 2; | |
713 | points [1].y = y + thickness; | |
714 | points [2].x = x + width - thickness; | |
715 | points [2].y = y + height / 2; | |
716 | points [3].x = x + width; | |
717 | points [3].y = y + height / 2; | |
718 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
719 | points [0].x = x; | |
720 | points [0].y = y + height / 2; | |
721 | points [1].x = x + thickness; | |
722 | points [1].y = y + height / 2; | |
723 | points [2].x = x + width / 2; | |
724 | points [2].y = y + height - thickness; | |
725 | points [3].x = x + width / 2; | |
726 | points [3].y = y + height; | |
727 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
728 | points [0].x = x + width / 2; | |
729 | points [0].y = y + height; | |
730 | points [1].x = x + width / 2; | |
731 | points [1].y = y + height - thickness; | |
732 | points [2].x = x + width - thickness; | |
733 | points [2].y = y + height / 2; | |
734 | points [3].x = x + width; | |
735 | points [3].y = y + height / 2; | |
736 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
737 | } | |
738 | ||
739 | ||
740 | /* Draw a toggle button on widget MW, X window WINDOW. X/Y is the | |
741 | top-left corner of the menu item. SELECTED_P non-zero means the | |
742 | toggle button is selected. */ | |
743 | ||
744 | static void | |
745 | draw_toggle (mw, window, x, y, selected_p) | |
746 | XlwMenuWidget mw; | |
747 | Window window; | |
748 | int x, y, selected_p; | |
749 | { | |
750 | int width, height; | |
751 | ||
752 | width = toggle_button_width (mw); | |
753 | height = width; | |
754 | x += mw->menu.horizontal_spacing; | |
755 | y += (mw->menu.font->ascent - height) / 2; | |
756 | draw_shadow_rectangle (mw, window, x, y, width, height, False, selected_p); | |
757 | } | |
758 | ||
759 | ||
760 | /* Draw a radio button on widget MW, X window WINDOW. X/Y is the | |
761 | top-left corner of the menu item. SELECTED_P non-zero means the | |
762 | toggle button is selected. */ | |
763 | ||
764 | static void | |
765 | draw_radio (mw, window, x, y, selected_p) | |
766 | XlwMenuWidget mw; | |
767 | Window window; | |
768 | int x, y, selected_p; | |
769 | { | |
770 | int width, height; | |
771 | ||
772 | width = radio_button_width (mw); | |
773 | height = width; | |
774 | x += mw->menu.horizontal_spacing; | |
775 | y += (mw->menu.font->ascent - height) / 2; | |
776 | draw_shadow_rhombus (mw, window, x, y, width, height, False, selected_p); | |
777 | } | |
778 | ||
779 | ||
780 | /* Draw a menu separator on widget MW, X window WINDOW. X/Y is the | |
781 | top-left corner of the menu item. WIDTH is the width of the | |
782 | separator to draw. TYPE is the separator type. */ | |
783 | ||
784 | static void | |
785 | draw_separator (mw, window, x, y, width, type) | |
786 | XlwMenuWidget mw; | |
787 | Window window; | |
788 | int x, y, width; | |
789 | enum menu_separator type; | |
790 | { | |
791 | Display *dpy = XtDisplay (mw); | |
792 | XGCValues xgcv; | |
793 | ||
794 | switch (type) | |
795 | { | |
796 | case SEPARATOR_NO_LINE: | |
797 | break; | |
5c520e0a | 798 | |
be06a3df GM |
799 | case SEPARATOR_SINGLE_LINE: |
800 | XDrawLine (dpy, window, mw->menu.foreground_gc, | |
801 | x, y, x + width, y); | |
802 | break; | |
5c520e0a | 803 | |
be06a3df GM |
804 | case SEPARATOR_DOUBLE_LINE: |
805 | draw_separator (mw, window, x, y, width, SEPARATOR_SINGLE_LINE); | |
806 | draw_separator (mw, window, x, y + 2, width, SEPARATOR_SINGLE_LINE); | |
807 | break; | |
5c520e0a | 808 | |
be06a3df GM |
809 | case SEPARATOR_SINGLE_DASHED_LINE: |
810 | xgcv.line_style = LineOnOffDash; | |
811 | XChangeGC (dpy, mw->menu.foreground_gc, GCLineStyle, &xgcv); | |
812 | XDrawLine (dpy, window, mw->menu.foreground_gc, | |
813 | x, y, x + width, y); | |
814 | xgcv.line_style = LineSolid; | |
815 | XChangeGC (dpy, mw->menu.foreground_gc, GCLineStyle, &xgcv); | |
816 | break; | |
5c520e0a | 817 | |
be06a3df GM |
818 | case SEPARATOR_DOUBLE_DASHED_LINE: |
819 | draw_separator (mw, window, x, y, width, | |
820 | SEPARATOR_SINGLE_DASHED_LINE); | |
821 | draw_separator (mw, window, x, y + 2, width, | |
822 | SEPARATOR_SINGLE_DASHED_LINE); | |
823 | break; | |
5c520e0a | 824 | |
be06a3df GM |
825 | case SEPARATOR_SHADOW_ETCHED_IN: |
826 | XDrawLine (dpy, window, mw->menu.shadow_bottom_gc, | |
827 | x, y, x + width, y); | |
828 | XDrawLine (dpy, window, mw->menu.shadow_top_gc, | |
829 | x, y + 1, x + width, y + 1); | |
830 | break; | |
831 | ||
832 | case SEPARATOR_SHADOW_ETCHED_OUT: | |
833 | XDrawLine (dpy, window, mw->menu.shadow_top_gc, | |
834 | x, y, x + width, y); | |
835 | XDrawLine (dpy, window, mw->menu.shadow_bottom_gc, | |
836 | x, y + 1, x + width, y + 1); | |
837 | break; | |
5c520e0a | 838 | |
be06a3df GM |
839 | case SEPARATOR_SHADOW_ETCHED_IN_DASH: |
840 | xgcv.line_style = LineOnOffDash; | |
841 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
842 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
2f90328f | 843 | draw_separator (mw, window, x, y, width, SEPARATOR_SHADOW_ETCHED_IN); |
be06a3df GM |
844 | xgcv.line_style = LineSolid; |
845 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
846 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
847 | break; | |
5c520e0a | 848 | |
be06a3df GM |
849 | case SEPARATOR_SHADOW_ETCHED_OUT_DASH: |
850 | xgcv.line_style = LineOnOffDash; | |
851 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
852 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
2f90328f | 853 | draw_separator (mw, window, x, y, width, SEPARATOR_SHADOW_ETCHED_OUT); |
be06a3df GM |
854 | xgcv.line_style = LineSolid; |
855 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
856 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
857 | break; | |
858 | ||
859 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN: | |
860 | draw_separator (mw, window, x, y, width, SEPARATOR_SHADOW_ETCHED_IN); | |
861 | draw_separator (mw, window, x, y + 3, width, SEPARATOR_SHADOW_ETCHED_IN); | |
862 | break; | |
5c520e0a | 863 | |
be06a3df GM |
864 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT: |
865 | draw_separator (mw, window, x, y, width, | |
866 | SEPARATOR_SHADOW_ETCHED_OUT); | |
867 | draw_separator (mw, window, x, y + 3, width, | |
868 | SEPARATOR_SHADOW_ETCHED_OUT); | |
869 | break; | |
5c520e0a | 870 | |
be06a3df GM |
871 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH: |
872 | xgcv.line_style = LineOnOffDash; | |
873 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
874 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
875 | draw_separator (mw, window, x, y, width, | |
876 | SEPARATOR_SHADOW_DOUBLE_ETCHED_IN); | |
877 | xgcv.line_style = LineSolid; | |
878 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
879 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
880 | break; | |
881 | ||
882 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH: | |
883 | xgcv.line_style = LineOnOffDash; | |
884 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
885 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
886 | draw_separator (mw, window, x, y, width, | |
887 | SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT); | |
888 | xgcv.line_style = LineSolid; | |
889 | XChangeGC (dpy, mw->menu.shadow_bottom_gc, GCLineStyle, &xgcv); | |
890 | XChangeGC (dpy, mw->menu.shadow_top_gc, GCLineStyle, &xgcv); | |
891 | break; | |
892 | ||
893 | default: | |
894 | abort (); | |
895 | } | |
896 | } | |
897 | ||
898 | ||
899 | /* Return the pixel height of menu separator SEPARATOR. */ | |
900 | ||
901 | static int | |
902 | separator_height (separator) | |
903 | enum menu_separator separator; | |
904 | { | |
905 | switch (separator) | |
906 | { | |
907 | case SEPARATOR_NO_LINE: | |
908 | return 2; | |
5c520e0a | 909 | |
be06a3df GM |
910 | case SEPARATOR_SINGLE_LINE: |
911 | case SEPARATOR_SINGLE_DASHED_LINE: | |
912 | return 1; | |
5c520e0a | 913 | |
be06a3df GM |
914 | case SEPARATOR_DOUBLE_LINE: |
915 | case SEPARATOR_DOUBLE_DASHED_LINE: | |
916 | return 3; | |
5c520e0a | 917 | |
be06a3df GM |
918 | case SEPARATOR_SHADOW_ETCHED_IN: |
919 | case SEPARATOR_SHADOW_ETCHED_OUT: | |
920 | case SEPARATOR_SHADOW_ETCHED_IN_DASH: | |
921 | case SEPARATOR_SHADOW_ETCHED_OUT_DASH: | |
922 | return 2; | |
5c520e0a | 923 | |
be06a3df GM |
924 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN: |
925 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT: | |
926 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH: | |
927 | case SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH: | |
928 | return 5; | |
5c520e0a | 929 | |
be06a3df GM |
930 | default: |
931 | abort (); | |
932 | } | |
933 | } | |
934 | ||
935 | ||
07bf635f | 936 | /* Display the menu item and increment where.x and where.y to show how large |
be06a3df GM |
937 | the menu item was. */ |
938 | ||
07bf635f | 939 | static void |
be06a3df GM |
940 | display_menu_item (mw, val, ws, where, highlighted_p, horizontal_p, |
941 | just_compute_p) | |
d398028f PR |
942 | XlwMenuWidget mw; |
943 | widget_value* val; | |
944 | window_state* ws; | |
945 | XPoint* where; | |
946 | Boolean highlighted_p; | |
947 | Boolean horizontal_p; | |
948 | Boolean just_compute_p; | |
07bf635f RS |
949 | { |
950 | GC deco_gc; | |
951 | GC text_gc; | |
952 | int font_ascent = mw->menu.font->ascent; | |
953 | int font_descent = mw->menu.font->descent; | |
954 | int shadow = mw->menu.shadow_thickness; | |
be06a3df | 955 | int margin = mw->menu.margin; |
07bf635f RS |
956 | int h_spacing = mw->menu.horizontal_spacing; |
957 | int v_spacing = mw->menu.vertical_spacing; | |
958 | int label_width; | |
959 | int rest_width; | |
be06a3df | 960 | int button_width; |
07bf635f RS |
961 | int height; |
962 | int width; | |
be06a3df GM |
963 | enum menu_separator separator; |
964 | int separator_p = lw_separator_p (val->name, &separator, 0); | |
07bf635f RS |
965 | |
966 | /* compute the sizes of the item */ | |
be06a3df GM |
967 | size_menu_item (mw, val, horizontal_p, &label_width, &rest_width, |
968 | &button_width, &height); | |
07bf635f RS |
969 | |
970 | if (horizontal_p) | |
971 | width = label_width + rest_width; | |
972 | else | |
973 | { | |
974 | label_width = ws->label_width; | |
975 | width = ws->width - 2 * shadow; | |
976 | } | |
977 | ||
07bf635f RS |
978 | /* Only highlight an enabled item that has a callback. */ |
979 | if (highlighted_p) | |
980 | if (!val->enabled || !(val->call_data || val->contents)) | |
981 | highlighted_p = 0; | |
982 | ||
983 | /* do the drawing. */ | |
984 | if (!just_compute_p) | |
985 | { | |
986 | /* Add the shadow border of the containing menu */ | |
987 | int x = where->x + shadow; | |
988 | int y = where->y + shadow; | |
989 | ||
be06a3df GM |
990 | if (horizontal_p) |
991 | { | |
992 | x += margin; | |
993 | y += margin; | |
994 | } | |
995 | ||
07bf635f RS |
996 | /* pick the foreground and background GC. */ |
997 | if (val->enabled) | |
be06a3df | 998 | text_gc = mw->menu.foreground_gc; |
07bf635f | 999 | else |
be06a3df | 1000 | text_gc = mw->menu.inactive_gc; |
07bf635f RS |
1001 | deco_gc = mw->menu.foreground_gc; |
1002 | ||
1003 | if (separator_p) | |
1004 | { | |
be06a3df | 1005 | draw_separator (mw, ws->window, x, y, width, separator); |
07bf635f | 1006 | } |
5c520e0a | 1007 | else |
07bf635f | 1008 | { |
84593cae | 1009 | int x_offset = x + h_spacing + shadow; |
07bf635f | 1010 | char* display_string = resource_widget_value (mw, val); |
be06a3df GM |
1011 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, True, |
1012 | False); | |
84593cae PR |
1013 | |
1014 | /* Deal with centering a menu title. */ | |
1015 | if (!horizontal_p && !val->contents && !val->call_data) | |
1016 | { | |
1017 | int l = string_width (mw, display_string); | |
1018 | ||
1019 | if (width > l) | |
1020 | x_offset = (width - l) >> 1; | |
1021 | } | |
be06a3df GM |
1022 | else if (!horizontal_p && ws->button_width) |
1023 | x_offset += ws->button_width; | |
5c520e0a SS |
1024 | |
1025 | ||
84593cae | 1026 | XDrawString (XtDisplay (mw), ws->window, text_gc, x_offset, |
07bf635f RS |
1027 | y + v_spacing + shadow + font_ascent, |
1028 | display_string, strlen (display_string)); | |
5c520e0a | 1029 | |
07bf635f RS |
1030 | if (!horizontal_p) |
1031 | { | |
be06a3df GM |
1032 | if (val->button_type == BUTTON_TYPE_TOGGLE) |
1033 | draw_toggle (mw, ws->window, x, y + v_spacing + shadow, | |
1034 | val->selected); | |
1035 | else if (val->button_type == BUTTON_TYPE_RADIO) | |
1036 | draw_radio (mw, ws->window, x, y + v_spacing + shadow, | |
1037 | val->selected); | |
5c520e0a | 1038 | |
07bf635f RS |
1039 | if (val->contents) |
1040 | { | |
1041 | int a_w = arrow_width (mw); | |
1042 | draw_arrow (mw, ws->window, deco_gc, | |
be06a3df | 1043 | x + width - a_w |
5c520e0a | 1044 | - mw->menu.horizontal_spacing |
d398028f | 1045 | - mw->menu.shadow_thickness, |
be06a3df GM |
1046 | y + v_spacing + shadow, a_w, |
1047 | highlighted_p); | |
07bf635f RS |
1048 | } |
1049 | else if (val->key) | |
1050 | { | |
1051 | XDrawString (XtDisplay (mw), ws->window, text_gc, | |
1052 | x + label_width + mw->menu.arrow_spacing, | |
1053 | y + v_spacing + shadow + font_ascent, | |
1054 | val->key, strlen (val->key)); | |
1055 | } | |
1056 | } | |
d398028f PR |
1057 | else |
1058 | { | |
5c520e0a | 1059 | XDrawRectangle (XtDisplay (mw), ws->window, |
d398028f PR |
1060 | mw->menu.background_gc, |
1061 | x + shadow, y + shadow, | |
1062 | label_width + h_spacing - 1, | |
1063 | font_ascent + font_descent + 2 * v_spacing - 1); | |
1064 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, | |
be06a3df | 1065 | True, False); |
d398028f | 1066 | } |
07bf635f RS |
1067 | |
1068 | if (highlighted_p) | |
be06a3df GM |
1069 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, False, |
1070 | False); | |
07bf635f RS |
1071 | } |
1072 | } | |
5c520e0a | 1073 | |
07bf635f RS |
1074 | where->x += width; |
1075 | where->y += height; | |
1076 | } | |
1077 | ||
1078 | static void | |
d398028f PR |
1079 | display_menu (mw, level, just_compute_p, highlighted_pos, hit, hit_return, |
1080 | this, that) | |
1081 | XlwMenuWidget mw; | |
1082 | int level; | |
1083 | Boolean just_compute_p; | |
1084 | XPoint* highlighted_pos; | |
1085 | XPoint* hit; | |
1086 | widget_value** hit_return; | |
1087 | widget_value* this; | |
1088 | widget_value* that; | |
07bf635f RS |
1089 | { |
1090 | widget_value* val; | |
1091 | widget_value* following_item; | |
1092 | window_state* ws; | |
1093 | XPoint where; | |
1094 | int horizontal_p = mw->menu.horizontal && (level == 0); | |
1095 | int highlighted_p; | |
1096 | int just_compute_this_one_p; | |
ccc1cac0 RS |
1097 | /* This is set nonzero if the element containing HIGHLIGHTED_POS |
1098 | is disabled, so that we do not return any subsequent element either. */ | |
1099 | int no_return = 0; | |
be06a3df | 1100 | enum menu_separator separator; |
07bf635f RS |
1101 | |
1102 | if (level >= mw->menu.old_depth) | |
be06a3df | 1103 | abort_gracefully ((Widget) mw); |
07bf635f RS |
1104 | |
1105 | if (level < mw->menu.old_depth - 1) | |
1106 | following_item = mw->menu.old_stack [level + 1]; | |
5c520e0a | 1107 | else |
07bf635f RS |
1108 | following_item = NULL; |
1109 | ||
1110 | if (hit) | |
1111 | *hit_return = NULL; | |
1112 | ||
1113 | where.x = 0; | |
1114 | where.y = 0; | |
1115 | ||
1116 | ws = &mw->menu.windows [level]; | |
1117 | for (val = mw->menu.old_stack [level]->contents; val; val = val->next) | |
1118 | { | |
1119 | highlighted_p = val == following_item; | |
1120 | if (highlighted_p && highlighted_pos) | |
1121 | { | |
1122 | if (horizontal_p) | |
1123 | highlighted_pos->x = where.x; | |
1124 | else | |
1125 | highlighted_pos->y = where.y; | |
1126 | } | |
5c520e0a | 1127 | |
07bf635f RS |
1128 | just_compute_this_one_p = |
1129 | just_compute_p || ((this || that) && val != this && val != that); | |
1130 | ||
1131 | display_menu_item (mw, val, ws, &where, highlighted_p, horizontal_p, | |
1132 | just_compute_this_one_p); | |
1133 | ||
1134 | if (highlighted_p && highlighted_pos) | |
1135 | { | |
1136 | if (horizontal_p) | |
1137 | highlighted_pos->y = where.y; | |
1138 | else | |
1139 | highlighted_pos->x = where.x; | |
1140 | } | |
1141 | ||
1142 | if (hit | |
1143 | && !*hit_return | |
1144 | && (horizontal_p ? hit->x < where.x : hit->y < where.y) | |
be06a3df | 1145 | && !lw_separator_p (val->name, &separator, 0) |
ccc1cac0 RS |
1146 | && !no_return) |
1147 | { | |
1148 | if (val->enabled) | |
1149 | *hit_return = val; | |
1150 | else | |
1151 | no_return = 1; | |
1152 | } | |
07bf635f RS |
1153 | |
1154 | if (horizontal_p) | |
1155 | where.y = 0; | |
1156 | else | |
1157 | where.x = 0; | |
1158 | } | |
5c520e0a | 1159 | |
07bf635f | 1160 | if (!just_compute_p) |
be06a3df GM |
1161 | draw_shadow_rectangle (mw, ws->window, 0, 0, ws->width, ws->height, |
1162 | False, False); | |
07bf635f RS |
1163 | } |
1164 | ||
1165 | \f/* Motion code */ | |
1166 | static void | |
d398028f PR |
1167 | set_new_state (mw, val, level) |
1168 | XlwMenuWidget mw; | |
1169 | widget_value* val; | |
1170 | int level; | |
07bf635f RS |
1171 | { |
1172 | int i; | |
5c520e0a | 1173 | |
07bf635f RS |
1174 | mw->menu.new_depth = 0; |
1175 | for (i = 0; i < level; i++) | |
1176 | push_new_stack (mw, mw->menu.old_stack [i]); | |
1177 | push_new_stack (mw, val); | |
1178 | } | |
1179 | ||
1180 | static void | |
d398028f PR |
1181 | make_windows_if_needed (mw, n) |
1182 | XlwMenuWidget mw; | |
1183 | int n; | |
07bf635f RS |
1184 | { |
1185 | int i; | |
1186 | int start_at; | |
1187 | XSetWindowAttributes xswa; | |
1188 | int mask; | |
1189 | Window root = RootWindowOfScreen (DefaultScreenOfDisplay (XtDisplay (mw))); | |
1190 | window_state* windows; | |
5c520e0a | 1191 | |
07bf635f RS |
1192 | if (mw->menu.windows_length >= n) |
1193 | return; | |
1194 | ||
1195 | xswa.save_under = True; | |
1196 | xswa.override_redirect = True; | |
1197 | xswa.background_pixel = mw->core.background_pixel; | |
1198 | xswa.border_pixel = mw->core.border_pixel; | |
1199 | xswa.event_mask = | |
d398028f | 1200 | ExposureMask | PointerMotionMask | PointerMotionHintMask |
07bf635f RS |
1201 | | ButtonReleaseMask | ButtonPressMask; |
1202 | xswa.cursor = mw->menu.cursor_shape; | |
1203 | mask = CWSaveUnder | CWOverrideRedirect | CWBackPixel | CWBorderPixel | |
1204 | | CWEventMask | CWCursor; | |
5c520e0a | 1205 | |
07bf635f RS |
1206 | if (!mw->menu.windows) |
1207 | { | |
1208 | mw->menu.windows = | |
1209 | (window_state*)XtMalloc (n * sizeof (window_state)); | |
1210 | start_at = 0; | |
1211 | } | |
1212 | else | |
1213 | { | |
1214 | mw->menu.windows = | |
1215 | (window_state*)XtRealloc ((char*)mw->menu.windows, | |
1216 | n * sizeof (window_state)); | |
1217 | start_at = mw->menu.windows_length; | |
1218 | } | |
1219 | mw->menu.windows_length = n; | |
1220 | ||
1221 | windows = mw->menu.windows; | |
1222 | ||
1223 | for (i = start_at; i < n; i++) | |
1224 | { | |
1225 | windows [i].x = 0; | |
1226 | windows [i].y = 0; | |
1227 | windows [i].width = 1; | |
1228 | windows [i].height = 1; | |
1229 | windows [i].window = | |
1230 | XCreateWindow (XtDisplay (mw), root, 0, 0, 1, 1, | |
1231 | 0, 0, CopyFromParent, CopyFromParent, mask, &xswa); | |
1232 | } | |
1233 | } | |
1234 | ||
2a692ba4 GM |
1235 | /* Value is non-zero if WINDOW is part of menu bar widget W. */ |
1236 | ||
1237 | int | |
1238 | xlwmenu_window_p (w, window) | |
1239 | Widget w; | |
1240 | Window window; | |
1241 | { | |
1242 | XlwMenuWidget mw = (XlwMenuWidget) w; | |
1243 | int i; | |
1244 | ||
1245 | for (i = 0; i < mw->menu.windows_length; ++i) | |
1246 | if (window == mw->menu.windows[i].window) | |
1247 | break; | |
1248 | ||
1249 | return i < mw->menu.windows_length; | |
1250 | } | |
1251 | ||
07bf635f RS |
1252 | /* Make the window fit in the screen */ |
1253 | static void | |
d398028f PR |
1254 | fit_to_screen (mw, ws, previous_ws, horizontal_p) |
1255 | XlwMenuWidget mw; | |
1256 | window_state* ws; | |
1257 | window_state* previous_ws; | |
1258 | Boolean horizontal_p; | |
07bf635f | 1259 | { |
ccf589a6 RS |
1260 | unsigned int screen_width = WidthOfScreen (XtScreen (mw)); |
1261 | unsigned int screen_height = HeightOfScreen (XtScreen (mw)); | |
1ba46f7d RS |
1262 | /* 1 if we are unable to avoid an overlap between |
1263 | this menu and the parent menu in the X dimension. */ | |
1264 | int horizontal_overlap = 0; | |
07bf635f RS |
1265 | |
1266 | if (ws->x < 0) | |
1267 | ws->x = 0; | |
1268 | else if (ws->x + ws->width > screen_width) | |
1269 | { | |
1270 | if (!horizontal_p) | |
b7fa4a06 MB |
1271 | /* The addition of shadow-thickness for a sub-menu's position is |
1272 | to reflect a similar adjustment when the menu is displayed to | |
1273 | the right of the invoking menu-item; it makes the sub-menu | |
1274 | look more `attached' to the menu-item. */ | |
1275 | ws->x = previous_ws->x - ws->width + mw->menu.shadow_thickness; | |
07bf635f RS |
1276 | else |
1277 | ws->x = screen_width - ws->width; | |
525b8232 | 1278 | if (ws->x < 0) |
1ba46f7d RS |
1279 | { |
1280 | ws->x = 0; | |
1281 | horizontal_overlap = 1; | |
1282 | } | |
1283 | } | |
1284 | /* If we overlap in X, try to avoid overlap in Y. */ | |
1285 | if (horizontal_overlap | |
1286 | && ws->y < previous_ws->y + previous_ws->height | |
1287 | && previous_ws->y < ws->y + ws->height) | |
1288 | { | |
1289 | /* Put this menu right below or right above PREVIOUS_WS | |
1290 | if there's room. */ | |
1291 | if (previous_ws->y + previous_ws->height + ws->height < screen_height) | |
1292 | ws->y = previous_ws->y + previous_ws->height; | |
1293 | else if (previous_ws->y - ws->height > 0) | |
1294 | ws->y = previous_ws->y - ws->height; | |
07bf635f | 1295 | } |
1ba46f7d | 1296 | |
07bf635f RS |
1297 | if (ws->y < 0) |
1298 | ws->y = 0; | |
1299 | else if (ws->y + ws->height > screen_height) | |
1300 | { | |
1301 | if (horizontal_p) | |
1302 | ws->y = previous_ws->y - ws->height; | |
1303 | else | |
1304 | ws->y = screen_height - ws->height; | |
5c520e0a | 1305 | if (ws->y < 0) |
525b8232 | 1306 | ws->y = 0; |
07bf635f RS |
1307 | } |
1308 | } | |
1309 | ||
1310 | /* Updates old_stack from new_stack and redisplays. */ | |
1311 | static void | |
d398028f PR |
1312 | remap_menubar (mw) |
1313 | XlwMenuWidget mw; | |
07bf635f RS |
1314 | { |
1315 | int i; | |
1316 | int last_same; | |
1317 | XPoint selection_position; | |
1318 | int old_depth = mw->menu.old_depth; | |
1319 | int new_depth = mw->menu.new_depth; | |
1320 | widget_value** old_stack; | |
1321 | widget_value** new_stack; | |
1322 | window_state* windows; | |
1323 | widget_value* old_selection; | |
1324 | widget_value* new_selection; | |
1325 | ||
1326 | /* Check that enough windows and old_stack are ready. */ | |
1327 | make_windows_if_needed (mw, new_depth); | |
1328 | make_old_stack_space (mw, new_depth); | |
1329 | windows = mw->menu.windows; | |
1330 | old_stack = mw->menu.old_stack; | |
1331 | new_stack = mw->menu.new_stack; | |
1332 | ||
1333 | /* compute the last identical different entry */ | |
1334 | for (i = 1; i < old_depth && i < new_depth; i++) | |
1335 | if (old_stack [i] != new_stack [i]) | |
1336 | break; | |
1337 | last_same = i - 1; | |
1338 | ||
1339 | /* Memorize the previously selected item to be able to refresh it */ | |
1340 | old_selection = last_same + 1 < old_depth ? old_stack [last_same + 1] : NULL; | |
1341 | if (old_selection && !old_selection->enabled) | |
1342 | old_selection = NULL; | |
1343 | new_selection = last_same + 1 < new_depth ? new_stack [last_same + 1] : NULL; | |
1344 | if (new_selection && !new_selection->enabled) | |
1345 | new_selection = NULL; | |
1346 | ||
d6fd6371 GM |
1347 | /* Call callback when the hightlighted item changes. */ |
1348 | if (old_selection || new_selection) | |
1349 | XtCallCallbackList ((Widget)mw, mw->menu.highlight, | |
1350 | (XtPointer) new_selection); | |
1351 | ||
07bf635f RS |
1352 | /* updates old_state from new_state. It has to be done now because |
1353 | display_menu (called below) uses the old_stack to know what to display. */ | |
1354 | for (i = last_same + 1; i < new_depth; i++) | |
1355 | old_stack [i] = new_stack [i]; | |
1356 | mw->menu.old_depth = new_depth; | |
1357 | ||
908ff139 | 1358 | /* refresh the last selection */ |
07bf635f RS |
1359 | selection_position.x = 0; |
1360 | selection_position.y = 0; | |
1361 | display_menu (mw, last_same, new_selection == old_selection, | |
1362 | &selection_position, NULL, NULL, old_selection, new_selection); | |
1363 | ||
1ba46f7d RS |
1364 | /* Now place the new menus. */ |
1365 | for (i = last_same + 1; i < new_depth && new_stack[i]->contents; i++) | |
07bf635f | 1366 | { |
1ba46f7d RS |
1367 | window_state *previous_ws = &windows[i - 1]; |
1368 | window_state *ws = &windows[i]; | |
07bf635f | 1369 | |
be06a3df GM |
1370 | ws->x = (previous_ws->x + selection_position.x |
1371 | + mw->menu.shadow_thickness); | |
b7fa4a06 | 1372 | if (mw->menu.horizontal && i == 1) |
be06a3df GM |
1373 | ws->x += mw->menu.margin; |
1374 | ||
1375 | #if 0 | |
07bf635f RS |
1376 | if (!mw->menu.horizontal || i > 1) |
1377 | ws->x += mw->menu.shadow_thickness; | |
be06a3df | 1378 | #endif |
5c520e0a | 1379 | |
be06a3df GM |
1380 | ws->y = (previous_ws->y + selection_position.y |
1381 | + mw->menu.shadow_thickness); | |
b7fa4a06 | 1382 | if (mw->menu.horizontal && i == 1) |
be06a3df | 1383 | ws->y += mw->menu.margin; |
07bf635f RS |
1384 | |
1385 | size_menu (mw, i); | |
1386 | ||
1387 | fit_to_screen (mw, ws, previous_ws, mw->menu.horizontal && i == 1); | |
1388 | ||
1389 | XClearWindow (XtDisplay (mw), ws->window); | |
1390 | XMoveResizeWindow (XtDisplay (mw), ws->window, ws->x, ws->y, | |
1391 | ws->width, ws->height); | |
1392 | XMapRaised (XtDisplay (mw), ws->window); | |
1393 | display_menu (mw, i, False, &selection_position, NULL, NULL, NULL, NULL); | |
1394 | } | |
1395 | ||
1396 | /* unmap the menus that popped down */ | |
1397 | for (i = new_depth - 1; i < old_depth; i++) | |
1ba46f7d RS |
1398 | if (i >= new_depth || !new_stack[i]->contents) |
1399 | XUnmapWindow (XtDisplay (mw), windows[i].window); | |
07bf635f RS |
1400 | } |
1401 | ||
1402 | static Boolean | |
d398028f PR |
1403 | motion_event_is_in_menu (mw, ev, level, relative_pos) |
1404 | XlwMenuWidget mw; | |
1405 | XMotionEvent* ev; | |
1406 | int level; | |
1407 | XPoint* relative_pos; | |
07bf635f RS |
1408 | { |
1409 | window_state* ws = &mw->menu.windows [level]; | |
4f08464c RS |
1410 | int shadow = level == 0 ? 0 : mw->menu.shadow_thickness; |
1411 | int x = ws->x + shadow; | |
1412 | int y = ws->y + shadow; | |
07bf635f RS |
1413 | relative_pos->x = ev->x_root - x; |
1414 | relative_pos->y = ev->y_root - y; | |
4f08464c RS |
1415 | return (x - shadow < ev->x_root && ev->x_root < x + ws->width |
1416 | && y - shadow < ev->y_root && ev->y_root < y + ws->height); | |
07bf635f RS |
1417 | } |
1418 | ||
1419 | static Boolean | |
d398028f PR |
1420 | map_event_to_widget_value (mw, ev, val, level) |
1421 | XlwMenuWidget mw; | |
1422 | XMotionEvent* ev; | |
1423 | widget_value** val; | |
1424 | int* level; | |
07bf635f RS |
1425 | { |
1426 | int i; | |
1427 | XPoint relative_pos; | |
1428 | window_state* ws; | |
1429 | ||
1430 | *val = NULL; | |
5c520e0a | 1431 | |
07bf635f RS |
1432 | /* Find the window */ |
1433 | for (i = mw->menu.old_depth - 1; i >= 0; i--) | |
1434 | { | |
1435 | ws = &mw->menu.windows [i]; | |
1436 | if (ws && motion_event_is_in_menu (mw, ev, i, &relative_pos)) | |
1437 | { | |
1438 | display_menu (mw, i, True, NULL, &relative_pos, val, NULL, NULL); | |
1439 | ||
1440 | if (*val) | |
1441 | { | |
1442 | *level = i + 1; | |
1443 | return True; | |
1444 | } | |
1445 | } | |
1446 | } | |
1447 | return False; | |
1448 | } | |
1449 | ||
1450 | \f/* Procedures */ | |
1451 | static void | |
d398028f PR |
1452 | make_drawing_gcs (mw) |
1453 | XlwMenuWidget mw; | |
07bf635f RS |
1454 | { |
1455 | XGCValues xgcv; | |
1456 | ||
1457 | xgcv.font = mw->menu.font->fid; | |
1458 | xgcv.foreground = mw->menu.foreground; | |
1459 | xgcv.background = mw->core.background_pixel; | |
1460 | mw->menu.foreground_gc = XtGetGC ((Widget)mw, | |
1461 | GCFont | GCForeground | GCBackground, | |
1462 | &xgcv); | |
5c520e0a | 1463 | |
07bf635f RS |
1464 | xgcv.font = mw->menu.font->fid; |
1465 | xgcv.foreground = mw->menu.button_foreground; | |
1466 | xgcv.background = mw->core.background_pixel; | |
1467 | mw->menu.button_gc = XtGetGC ((Widget)mw, | |
1468 | GCFont | GCForeground | GCBackground, | |
1469 | &xgcv); | |
5c520e0a | 1470 | |
07bf635f RS |
1471 | xgcv.font = mw->menu.font->fid; |
1472 | xgcv.foreground = mw->menu.foreground; | |
1473 | xgcv.background = mw->core.background_pixel; | |
1474 | xgcv.fill_style = FillStippled; | |
1475 | xgcv.stipple = mw->menu.gray_pixmap; | |
1476 | mw->menu.inactive_gc = XtGetGC ((Widget)mw, | |
1477 | (GCFont | GCForeground | GCBackground | |
1478 | | GCFillStyle | GCStipple), &xgcv); | |
5c520e0a | 1479 | |
07bf635f RS |
1480 | xgcv.font = mw->menu.font->fid; |
1481 | xgcv.foreground = mw->menu.button_foreground; | |
1482 | xgcv.background = mw->core.background_pixel; | |
1483 | xgcv.fill_style = FillStippled; | |
1484 | xgcv.stipple = mw->menu.gray_pixmap; | |
1485 | mw->menu.inactive_button_gc = XtGetGC ((Widget)mw, | |
1486 | (GCFont | GCForeground | GCBackground | |
1487 | | GCFillStyle | GCStipple), &xgcv); | |
5c520e0a | 1488 | |
07bf635f RS |
1489 | xgcv.font = mw->menu.font->fid; |
1490 | xgcv.foreground = mw->core.background_pixel; | |
1491 | xgcv.background = mw->menu.foreground; | |
1492 | mw->menu.background_gc = XtGetGC ((Widget)mw, | |
1493 | GCFont | GCForeground | GCBackground, | |
1494 | &xgcv); | |
1495 | } | |
1496 | ||
1497 | static void | |
d398028f PR |
1498 | release_drawing_gcs (mw) |
1499 | XlwMenuWidget mw; | |
07bf635f RS |
1500 | { |
1501 | XtReleaseGC ((Widget) mw, mw->menu.foreground_gc); | |
1502 | XtReleaseGC ((Widget) mw, mw->menu.button_gc); | |
1503 | XtReleaseGC ((Widget) mw, mw->menu.inactive_gc); | |
1504 | XtReleaseGC ((Widget) mw, mw->menu.inactive_button_gc); | |
1505 | XtReleaseGC ((Widget) mw, mw->menu.background_gc); | |
1506 | /* let's get some segvs if we try to use these... */ | |
1507 | mw->menu.foreground_gc = (GC) -1; | |
1508 | mw->menu.button_gc = (GC) -1; | |
1509 | mw->menu.inactive_gc = (GC) -1; | |
1510 | mw->menu.inactive_button_gc = (GC) -1; | |
1511 | mw->menu.background_gc = (GC) -1; | |
1512 | } | |
1513 | ||
1514 | #define MINL(x,y) ((((unsigned long) (x)) < ((unsigned long) (y))) \ | |
1515 | ? ((unsigned long) (x)) : ((unsigned long) (y))) | |
1516 | ||
1517 | static void | |
d398028f PR |
1518 | make_shadow_gcs (mw) |
1519 | XlwMenuWidget mw; | |
07bf635f RS |
1520 | { |
1521 | XGCValues xgcv; | |
1522 | unsigned long pm = 0; | |
1523 | Display *dpy = XtDisplay ((Widget) mw); | |
be06a3df | 1524 | Screen *screen = XtScreen ((Widget) mw); |
b0404f9f | 1525 | Colormap cmap = mw->core.colormap; |
07bf635f RS |
1526 | XColor topc, botc; |
1527 | int top_frobbed = 0, bottom_frobbed = 0; | |
1528 | ||
bba2a923 GM |
1529 | mw->menu.free_top_shadow_color_p = 0; |
1530 | mw->menu.free_bottom_shadow_color_p = 0; | |
1531 | ||
07bf635f RS |
1532 | if (mw->menu.top_shadow_color == -1) |
1533 | mw->menu.top_shadow_color = mw->core.background_pixel; | |
bba2a923 GM |
1534 | else |
1535 | mw->menu.top_shadow_color = mw->menu.top_shadow_color; | |
5c520e0a | 1536 | |
07bf635f RS |
1537 | if (mw->menu.bottom_shadow_color == -1) |
1538 | mw->menu.bottom_shadow_color = mw->menu.foreground; | |
bba2a923 GM |
1539 | else |
1540 | mw->menu.bottom_shadow_color = mw->menu.bottom_shadow_color; | |
07bf635f RS |
1541 | |
1542 | if (mw->menu.top_shadow_color == mw->core.background_pixel || | |
1543 | mw->menu.top_shadow_color == mw->menu.foreground) | |
1544 | { | |
1545 | topc.pixel = mw->core.background_pixel; | |
65c0ae05 MB |
1546 | #ifdef emacs |
1547 | if (x_alloc_lighter_color_for_widget ((Widget) mw, dpy, cmap, | |
1548 | &topc.pixel, | |
1549 | 1.2, 0x8000)) | |
1550 | #else | |
07bf635f RS |
1551 | XQueryColor (dpy, cmap, &topc); |
1552 | /* don't overflow/wrap! */ | |
1553 | topc.red = MINL (65535, topc.red * 1.2); | |
1554 | topc.green = MINL (65535, topc.green * 1.2); | |
1555 | topc.blue = MINL (65535, topc.blue * 1.2); | |
1556 | if (XAllocColor (dpy, cmap, &topc)) | |
be06a3df | 1557 | #endif |
07bf635f RS |
1558 | { |
1559 | mw->menu.top_shadow_color = topc.pixel; | |
bba2a923 | 1560 | mw->menu.free_top_shadow_color_p = 1; |
07bf635f RS |
1561 | top_frobbed = 1; |
1562 | } | |
1563 | } | |
1564 | if (mw->menu.bottom_shadow_color == mw->menu.foreground || | |
1565 | mw->menu.bottom_shadow_color == mw->core.background_pixel) | |
1566 | { | |
1567 | botc.pixel = mw->core.background_pixel; | |
65c0ae05 MB |
1568 | #ifdef emacs |
1569 | if (x_alloc_lighter_color_for_widget ((Widget) mw, dpy, cmap, | |
1570 | &botc.pixel, | |
1571 | 0.6, 0x4000)) | |
1572 | #else | |
07bf635f RS |
1573 | XQueryColor (dpy, cmap, &botc); |
1574 | botc.red *= 0.6; | |
1575 | botc.green *= 0.6; | |
1576 | botc.blue *= 0.6; | |
1577 | if (XAllocColor (dpy, cmap, &botc)) | |
be06a3df | 1578 | #endif |
07bf635f RS |
1579 | { |
1580 | mw->menu.bottom_shadow_color = botc.pixel; | |
bba2a923 | 1581 | mw->menu.free_bottom_shadow_color_p = 1; |
07bf635f RS |
1582 | bottom_frobbed = 1; |
1583 | } | |
1584 | } | |
1585 | ||
1586 | if (top_frobbed && bottom_frobbed) | |
1587 | { | |
65c0ae05 | 1588 | if (topc.pixel == botc.pixel) |
07bf635f RS |
1589 | { |
1590 | if (botc.pixel == mw->menu.foreground) | |
fc8fefed | 1591 | { |
bba2a923 GM |
1592 | if (mw->menu.free_top_shadow_color_p) |
1593 | { | |
1594 | x_free_dpy_colors (dpy, screen, cmap, | |
1595 | &mw->menu.top_shadow_color, 1); | |
1596 | mw->menu.free_top_shadow_color_p = 0; | |
1597 | } | |
1598 | mw->menu.top_shadow_color = mw->core.background_pixel; | |
fc8fefed | 1599 | } |
07bf635f | 1600 | else |
fc8fefed | 1601 | { |
bba2a923 GM |
1602 | if (mw->menu.free_bottom_shadow_color_p) |
1603 | { | |
1604 | x_free_dpy_colors (dpy, screen, cmap, | |
1605 | &mw->menu.bottom_shadow_color, 1); | |
1606 | mw->menu.free_bottom_shadow_color_p = 0; | |
1607 | } | |
1608 | mw->menu.bottom_shadow_color = mw->menu.foreground; | |
fc8fefed | 1609 | } |
07bf635f RS |
1610 | } |
1611 | } | |
1612 | ||
1613 | if (!mw->menu.top_shadow_pixmap && | |
1614 | mw->menu.top_shadow_color == mw->core.background_pixel) | |
1615 | { | |
1616 | mw->menu.top_shadow_pixmap = mw->menu.gray_pixmap; | |
bba2a923 GM |
1617 | if (mw->menu.free_top_shadow_color_p) |
1618 | { | |
1619 | x_free_dpy_colors (dpy, screen, cmap, &mw->menu.top_shadow_color, 1); | |
1620 | mw->menu.free_top_shadow_color_p = 0; | |
1621 | } | |
1622 | mw->menu.top_shadow_color = mw->menu.foreground; | |
07bf635f RS |
1623 | } |
1624 | if (!mw->menu.bottom_shadow_pixmap && | |
1625 | mw->menu.bottom_shadow_color == mw->core.background_pixel) | |
1626 | { | |
1627 | mw->menu.bottom_shadow_pixmap = mw->menu.gray_pixmap; | |
bba2a923 GM |
1628 | if (mw->menu.free_bottom_shadow_color_p) |
1629 | { | |
1630 | x_free_dpy_colors (dpy, screen, cmap, | |
1631 | &mw->menu.bottom_shadow_color, 1); | |
1632 | mw->menu.free_bottom_shadow_color_p = 0; | |
1633 | } | |
1634 | mw->menu.bottom_shadow_color = mw->menu.foreground; | |
07bf635f RS |
1635 | } |
1636 | ||
1637 | xgcv.fill_style = FillStippled; | |
1638 | xgcv.foreground = mw->menu.top_shadow_color; | |
1639 | xgcv.stipple = mw->menu.top_shadow_pixmap; | |
1640 | pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0); | |
1641 | mw->menu.shadow_top_gc = XtGetGC ((Widget)mw, GCForeground | pm, &xgcv); | |
1642 | ||
1643 | xgcv.foreground = mw->menu.bottom_shadow_color; | |
1644 | xgcv.stipple = mw->menu.bottom_shadow_pixmap; | |
1645 | pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0); | |
1646 | mw->menu.shadow_bottom_gc = XtGetGC ((Widget)mw, GCForeground | pm, &xgcv); | |
1647 | } | |
1648 | ||
1649 | ||
1650 | static void | |
d398028f PR |
1651 | release_shadow_gcs (mw) |
1652 | XlwMenuWidget mw; | |
07bf635f | 1653 | { |
fc8fefed GM |
1654 | Display *dpy = XtDisplay ((Widget) mw); |
1655 | Screen *screen = XtScreen ((Widget) mw); | |
1656 | Colormap cmap = mw->core.colormap; | |
1657 | Pixel px[2]; | |
bba2a923 GM |
1658 | int i = 0; |
1659 | ||
1660 | if (mw->menu.free_top_shadow_color_p) | |
1661 | px[i++] = mw->menu.top_shadow_color; | |
1662 | if (mw->menu.free_bottom_shadow_color_p) | |
1663 | px[i++] = mw->menu.bottom_shadow_color; | |
1664 | if (i > 0) | |
1665 | x_free_dpy_colors (dpy, screen, cmap, px, i); | |
5c520e0a | 1666 | |
07bf635f RS |
1667 | XtReleaseGC ((Widget) mw, mw->menu.shadow_top_gc); |
1668 | XtReleaseGC ((Widget) mw, mw->menu.shadow_bottom_gc); | |
1669 | } | |
1670 | ||
1671 | static void | |
47d52240 | 1672 | XlwMenuInitialize (request, mw, args, num_args) |
d398028f | 1673 | Widget request; |
47d52240 | 1674 | XlwMenuWidget mw; |
d398028f PR |
1675 | ArgList args; |
1676 | Cardinal *num_args; | |
07bf635f RS |
1677 | { |
1678 | /* Get the GCs and the widget size */ | |
07bf635f RS |
1679 | XSetWindowAttributes xswa; |
1680 | int mask; | |
5c520e0a | 1681 | |
07bf635f RS |
1682 | Window window = RootWindowOfScreen (DefaultScreenOfDisplay (XtDisplay (mw))); |
1683 | Display* display = XtDisplay (mw); | |
5c520e0a | 1684 | |
d398028f PR |
1685 | #if 0 |
1686 | widget_value *tem = (widget_value *) XtMalloc (sizeof (widget_value)); | |
1687 | ||
1688 | /* _XtCreate is freeing the object that was passed to us, | |
1689 | so make a copy that we will actually keep. */ | |
1690 | lwlib_bcopy (mw->menu.contents, tem, sizeof (widget_value)); | |
1691 | mw->menu.contents = tem; | |
1692 | #endif | |
1693 | ||
07bf635f RS |
1694 | /* mw->menu.cursor = XCreateFontCursor (display, mw->menu.cursor_shape); */ |
1695 | mw->menu.cursor = mw->menu.cursor_shape; | |
5c520e0a | 1696 | |
a504c8fa | 1697 | mw->menu.gray_pixmap |
f1c16db4 GM |
1698 | = XCreatePixmapFromBitmapData (display, window, gray_bitmap_bits, |
1699 | gray_bitmap_width, gray_bitmap_height, | |
a504c8fa | 1700 | (unsigned long)1, (unsigned long)0, 1); |
5c520e0a | 1701 | |
47d52240 RS |
1702 | /* I don't understand why this ends up 0 sometimes, |
1703 | but it does. This kludge works around it. | |
1704 | Can anyone find a real fix? -- rms. */ | |
1705 | if (mw->menu.font == 0) | |
1706 | mw->menu.font = xlwmenu_default_font; | |
1707 | ||
07bf635f RS |
1708 | make_drawing_gcs (mw); |
1709 | make_shadow_gcs (mw); | |
5c520e0a | 1710 | |
07bf635f RS |
1711 | xswa.background_pixel = mw->core.background_pixel; |
1712 | xswa.border_pixel = mw->core.border_pixel; | |
1713 | mask = CWBackPixel | CWBorderPixel; | |
5c520e0a | 1714 | |
07bf635f | 1715 | mw->menu.popped_up = False; |
5c520e0a | 1716 | |
07bf635f RS |
1717 | mw->menu.old_depth = 1; |
1718 | mw->menu.old_stack = (widget_value**)XtMalloc (sizeof (widget_value*)); | |
1719 | mw->menu.old_stack_length = 1; | |
1720 | mw->menu.old_stack [0] = mw->menu.contents; | |
5c520e0a | 1721 | |
07bf635f RS |
1722 | mw->menu.new_depth = 0; |
1723 | mw->menu.new_stack = 0; | |
1724 | mw->menu.new_stack_length = 0; | |
1725 | push_new_stack (mw, mw->menu.contents); | |
5c520e0a | 1726 | |
07bf635f RS |
1727 | mw->menu.windows = (window_state*)XtMalloc (sizeof (window_state)); |
1728 | mw->menu.windows_length = 1; | |
1729 | mw->menu.windows [0].x = 0; | |
1730 | mw->menu.windows [0].y = 0; | |
1731 | mw->menu.windows [0].width = 0; | |
1732 | mw->menu.windows [0].height = 0; | |
1733 | size_menu (mw, 0); | |
5c520e0a | 1734 | |
07bf635f RS |
1735 | mw->core.width = mw->menu.windows [0].width; |
1736 | mw->core.height = mw->menu.windows [0].height; | |
1737 | } | |
1738 | ||
1739 | static void | |
1740 | XlwMenuClassInitialize () | |
1741 | { | |
1742 | } | |
1743 | ||
1744 | static void | |
d398028f PR |
1745 | XlwMenuRealize (w, valueMask, attributes) |
1746 | Widget w; | |
1747 | Mask *valueMask; | |
1748 | XSetWindowAttributes *attributes; | |
07bf635f RS |
1749 | { |
1750 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1751 | XSetWindowAttributes xswa; | |
1752 | int mask; | |
1753 | ||
1754 | (*xlwMenuWidgetClass->core_class.superclass->core_class.realize) | |
1755 | (w, valueMask, attributes); | |
1756 | ||
1757 | xswa.save_under = True; | |
1758 | xswa.cursor = mw->menu.cursor_shape; | |
1759 | mask = CWSaveUnder | CWCursor; | |
1760 | XChangeWindowAttributes (XtDisplay (w), XtWindow (w), mask, &xswa); | |
1761 | ||
1762 | mw->menu.windows [0].window = XtWindow (w); | |
1763 | mw->menu.windows [0].x = w->core.x; | |
1764 | mw->menu.windows [0].y = w->core.y; | |
1765 | mw->menu.windows [0].width = w->core.width; | |
1766 | mw->menu.windows [0].height = w->core.height; | |
1767 | } | |
1768 | ||
1769 | /* Only the toplevel menubar/popup is a widget so it's the only one that | |
1770 | receives expose events through Xt. So we repaint all the other panes | |
1771 | when receiving an Expose event. */ | |
5c520e0a | 1772 | static void |
d398028f PR |
1773 | XlwMenuRedisplay (w, ev, region) |
1774 | Widget w; | |
1775 | XEvent* ev; | |
1776 | Region region; | |
07bf635f RS |
1777 | { |
1778 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1779 | int i; | |
1780 | ||
d398028f PR |
1781 | /* If we have a depth beyond 1, it's because a submenu was displayed. |
1782 | If the submenu has been destroyed, set the depth back to 1. */ | |
1783 | if (submenu_destroyed) | |
1784 | { | |
1785 | mw->menu.old_depth = 1; | |
1786 | submenu_destroyed = 0; | |
1787 | } | |
1788 | ||
07bf635f RS |
1789 | for (i = 0; i < mw->menu.old_depth; i++) |
1790 | display_menu (mw, i, False, NULL, NULL, NULL, NULL, NULL); | |
1791 | } | |
1792 | ||
f3c9e544 GM |
1793 | |
1794 | /* Part of a hack to make the menu redisplay when a tooltip frame | |
1795 | over a menu item is unmapped. */ | |
1796 | ||
1797 | void | |
1798 | xlwmenu_redisplay (w) | |
1799 | Widget w; | |
1800 | { | |
1801 | XlwMenuRedisplay (w, NULL, None); | |
1802 | } | |
1803 | ||
5c520e0a | 1804 | static void |
d398028f PR |
1805 | XlwMenuDestroy (w) |
1806 | Widget w; | |
07bf635f RS |
1807 | { |
1808 | int i; | |
1809 | XlwMenuWidget mw = (XlwMenuWidget) w; | |
1810 | ||
d398028f | 1811 | if (pointer_grabbed) |
4db7db7d | 1812 | ungrab_all ((Widget)w, CurrentTime); |
d398028f PR |
1813 | pointer_grabbed = 0; |
1814 | ||
1815 | submenu_destroyed = 1; | |
1816 | ||
07bf635f RS |
1817 | release_drawing_gcs (mw); |
1818 | release_shadow_gcs (mw); | |
1819 | ||
1820 | /* this doesn't come from the resource db but is created explicitly | |
1821 | so we must free it ourselves. */ | |
1822 | XFreePixmap (XtDisplay (mw), mw->menu.gray_pixmap); | |
1823 | mw->menu.gray_pixmap = (Pixmap) -1; | |
1824 | ||
d398028f PR |
1825 | #if 0 |
1826 | /* Do free mw->menu.contents because nowadays we copy it | |
1827 | during initialization. */ | |
1828 | XtFree (mw->menu.contents); | |
1829 | #endif | |
1830 | ||
07bf635f RS |
1831 | /* Don't free mw->menu.contents because that comes from our creator. |
1832 | The `*_stack' elements are just pointers into `contents' so leave | |
1833 | that alone too. But free the stacks themselves. */ | |
1834 | if (mw->menu.old_stack) XtFree ((char *) mw->menu.old_stack); | |
1835 | if (mw->menu.new_stack) XtFree ((char *) mw->menu.new_stack); | |
1836 | ||
1837 | /* Remember, you can't free anything that came from the resource | |
1838 | database. This includes: | |
1839 | mw->menu.cursor | |
1840 | mw->menu.top_shadow_pixmap | |
1841 | mw->menu.bottom_shadow_pixmap | |
1842 | mw->menu.font | |
1843 | Also the color cells of top_shadow_color, bottom_shadow_color, | |
1844 | foreground, and button_foreground will never be freed until this | |
1845 | client exits. Nice, eh? | |
1846 | */ | |
1847 | ||
1848 | /* start from 1 because the one in slot 0 is w->core.window */ | |
1849 | for (i = 1; i < mw->menu.windows_length; i++) | |
1850 | XDestroyWindow (XtDisplay (mw), mw->menu.windows [i].window); | |
1851 | if (mw->menu.windows) | |
1852 | XtFree ((char *) mw->menu.windows); | |
1853 | } | |
1854 | ||
5c520e0a | 1855 | static Boolean |
d398028f PR |
1856 | XlwMenuSetValues (current, request, new) |
1857 | Widget current; | |
1858 | Widget request; | |
1859 | Widget new; | |
07bf635f RS |
1860 | { |
1861 | XlwMenuWidget oldmw = (XlwMenuWidget)current; | |
1862 | XlwMenuWidget newmw = (XlwMenuWidget)new; | |
1863 | Boolean redisplay = False; | |
1864 | int i; | |
1865 | ||
1866 | if (newmw->menu.contents | |
1867 | && newmw->menu.contents->contents | |
1868 | && newmw->menu.contents->contents->change >= VISIBLE_CHANGE) | |
1869 | redisplay = True; | |
ba624d0f RS |
1870 | /* Do redisplay if the contents are entirely eliminated. */ |
1871 | if (newmw->menu.contents | |
1872 | && newmw->menu.contents->contents == 0 | |
1873 | && newmw->menu.contents->change >= VISIBLE_CHANGE) | |
1874 | redisplay = True; | |
07bf635f RS |
1875 | |
1876 | if (newmw->core.background_pixel != oldmw->core.background_pixel | |
d398028f PR |
1877 | || newmw->menu.foreground != oldmw->menu.foreground |
1878 | || newmw->menu.font != oldmw->menu.font) | |
07bf635f RS |
1879 | { |
1880 | release_drawing_gcs (newmw); | |
1881 | make_drawing_gcs (newmw); | |
90c7e9f0 MB |
1882 | |
1883 | release_shadow_gcs (newmw); | |
1884 | /* Cause the shadow colors to be recalculated. */ | |
1885 | newmw->menu.top_shadow_color = -1; | |
1886 | newmw->menu.bottom_shadow_color = -1; | |
1887 | make_shadow_gcs (newmw); | |
1888 | ||
07bf635f | 1889 | redisplay = True; |
5c520e0a | 1890 | |
43aa2f1b | 1891 | if (XtIsRealized (current)) |
da353f23 MB |
1892 | /* If the menu is currently displayed, change the display. */ |
1893 | for (i = 0; i < oldmw->menu.windows_length; i++) | |
1894 | { | |
1895 | XSetWindowBackground (XtDisplay (oldmw), | |
1896 | oldmw->menu.windows [i].window, | |
1897 | newmw->core.background_pixel); | |
1898 | /* clear windows and generate expose events */ | |
1899 | XClearArea (XtDisplay (oldmw), oldmw->menu.windows[i].window, | |
1900 | 0, 0, 0, 0, True); | |
1901 | } | |
07bf635f RS |
1902 | } |
1903 | ||
1904 | return redisplay; | |
1905 | } | |
1906 | ||
5c520e0a | 1907 | static void |
d398028f PR |
1908 | XlwMenuResize (w) |
1909 | Widget w; | |
07bf635f RS |
1910 | { |
1911 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1912 | ||
d398028f PR |
1913 | if (mw->menu.popped_up) |
1914 | { | |
1915 | /* Don't allow the popup menu to resize itself. */ | |
1916 | mw->core.width = mw->menu.windows [0].width; | |
1917 | mw->core.height = mw->menu.windows [0].height; | |
1918 | mw->core.parent->core.width = mw->core.width ; | |
1919 | mw->core.parent->core.height = mw->core.height ; | |
1920 | } | |
1921 | else | |
1922 | { | |
1923 | mw->menu.windows [0].width = mw->core.width; | |
1924 | mw->menu.windows [0].height = mw->core.height; | |
1925 | } | |
07bf635f RS |
1926 | } |
1927 | ||
1928 | \f/* Action procedures */ | |
1929 | static void | |
d398028f PR |
1930 | handle_single_motion_event (mw, ev) |
1931 | XlwMenuWidget mw; | |
1932 | XMotionEvent* ev; | |
07bf635f RS |
1933 | { |
1934 | widget_value* val; | |
1935 | int level; | |
1936 | ||
1937 | if (!map_event_to_widget_value (mw, ev, &val, &level)) | |
1938 | pop_new_stack_if_no_contents (mw); | |
1939 | else | |
1940 | set_new_state (mw, val, level); | |
1941 | remap_menubar (mw); | |
5c520e0a | 1942 | |
07bf635f RS |
1943 | /* Sync with the display. Makes it feel better on X terms. */ |
1944 | XSync (XtDisplay (mw), False); | |
1945 | } | |
1946 | ||
1947 | static void | |
d398028f PR |
1948 | handle_motion_event (mw, ev) |
1949 | XlwMenuWidget mw; | |
1950 | XMotionEvent* ev; | |
07bf635f RS |
1951 | { |
1952 | int x = ev->x_root; | |
1953 | int y = ev->y_root; | |
1954 | int state = ev->state; | |
1955 | ||
1956 | handle_single_motion_event (mw, ev); | |
1957 | ||
1958 | /* allow motion events to be generated again */ | |
1959 | if (ev->is_hint | |
1960 | && XQueryPointer (XtDisplay (mw), ev->window, | |
1961 | &ev->root, &ev->subwindow, | |
1962 | &ev->x_root, &ev->y_root, | |
1963 | &ev->x, &ev->y, | |
1964 | &ev->state) | |
1965 | && ev->state == state | |
1966 | && (ev->x_root != x || ev->y_root != y)) | |
1967 | handle_single_motion_event (mw, ev); | |
1968 | } | |
1969 | ||
5c520e0a | 1970 | static void |
d398028f PR |
1971 | Start (w, ev, params, num_params) |
1972 | Widget w; | |
1973 | XEvent *ev; | |
1974 | String *params; | |
1975 | Cardinal *num_params; | |
07bf635f RS |
1976 | { |
1977 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1978 | ||
d398028f PR |
1979 | if (!mw->menu.popped_up) |
1980 | { | |
1981 | menu_post_event = *ev; | |
a57a1605 | 1982 | pop_up_menu (mw, (XButtonPressedEvent*) ev); |
d398028f PR |
1983 | } |
1984 | else | |
4cc76151 PR |
1985 | { |
1986 | /* If we push a button while the menu is posted semipermanently, | |
1987 | releasing the button should always pop the menu down. */ | |
1988 | next_release_must_exit = 1; | |
d398028f | 1989 | |
4cc76151 PR |
1990 | /* notes the absolute position of the menubar window */ |
1991 | mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x; | |
1992 | mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y; | |
07bf635f | 1993 | |
4cc76151 PR |
1994 | /* handles the down like a move, slots are compatible */ |
1995 | handle_motion_event (mw, &ev->xmotion); | |
1996 | } | |
07bf635f RS |
1997 | } |
1998 | ||
5c520e0a | 1999 | static void |
d398028f PR |
2000 | Drag (w, ev, params, num_params) |
2001 | Widget w; | |
2002 | XEvent *ev; | |
2003 | String *params; | |
2004 | Cardinal *num_params; | |
07bf635f RS |
2005 | { |
2006 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
3c9ce1c4 KH |
2007 | if (mw->menu.popped_up) |
2008 | handle_motion_event (mw, &ev->xmotion); | |
07bf635f RS |
2009 | } |
2010 | ||
ba624d0f RS |
2011 | /* Do nothing. |
2012 | This is how we handle presses and releases of modifier keys. */ | |
2013 | static void | |
2014 | Nothing (w, ev, params, num_params) | |
2015 | Widget w; | |
2016 | XEvent *ev; | |
2017 | String *params; | |
2018 | Cardinal *num_params; | |
2019 | { | |
2020 | } | |
2021 | ||
1b8d91ab PJ |
2022 | widget_value * |
2023 | find_first_selectable (mw, item) | |
2024 | XlwMenuWidget mw; | |
2025 | widget_value *item; | |
2026 | { | |
2027 | widget_value *current = item; | |
2028 | enum menu_separator separator; | |
2029 | ||
2030 | while (lw_separator_p (current->name, &separator, 0) || !current->enabled) | |
2031 | if (current->next) | |
2032 | current=current->next; | |
2033 | else | |
2034 | return NULL; | |
2035 | ||
2036 | return current; | |
2037 | } | |
2038 | ||
a7e19a26 PJ |
2039 | widget_value * |
2040 | find_next_selectable (mw, item) | |
2041 | XlwMenuWidget mw; | |
2042 | widget_value *item; | |
2043 | { | |
2044 | widget_value *current = item; | |
2045 | enum menu_separator separator; | |
2046 | ||
2047 | while (current->next && (current=current->next) && | |
2048 | (lw_separator_p (current->name, &separator, 0) || !current->enabled)) | |
2049 | ; | |
2050 | ||
2051 | if (current == item) | |
2052 | { | |
2053 | current = mw->menu.old_stack [mw->menu.old_depth - 2]->contents; | |
2054 | ||
2055 | while (lw_separator_p (current->name, &separator, 0) || !current->enabled) | |
1b8d91ab PJ |
2056 | { |
2057 | if (current->next) | |
2058 | current=current->next; | |
2059 | ||
2060 | if (current == item) | |
2061 | break; | |
2062 | } | |
2063 | ||
a7e19a26 PJ |
2064 | } |
2065 | ||
2066 | return current; | |
2067 | } | |
2068 | ||
2069 | widget_value * | |
2070 | find_prev_selectable (mw, item) | |
2071 | XlwMenuWidget mw; | |
2072 | widget_value *item; | |
2073 | { | |
2074 | widget_value *current = item; | |
2075 | widget_value *prev = item; | |
2076 | ||
2077 | while ((current=find_next_selectable (mw, current)) != item) | |
1b8d91ab PJ |
2078 | { |
2079 | if (prev == current) | |
2080 | break; | |
a7e19a26 | 2081 | prev=current; |
1b8d91ab | 2082 | } |
a7e19a26 PJ |
2083 | |
2084 | return prev; | |
2085 | } | |
2086 | ||
2087 | static void | |
2088 | Down (w, ev, params, num_params) | |
2089 | Widget w; | |
2090 | XEvent *ev; | |
2091 | String *params; | |
2092 | Cardinal *num_params; | |
2093 | { | |
2094 | XlwMenuWidget mw = (XlwMenuWidget) w; | |
2095 | widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1]; | |
2096 | ||
2097 | /* Inside top-level menu-bar? */ | |
2098 | if (mw->menu.old_depth == 2) | |
2099 | /* When <down> in the menu-bar is pressed, display the corresponding | |
1b8d91ab PJ |
2100 | sub-menu and select the first selectable menu item there. */ |
2101 | set_new_state (mw, find_first_selectable (mw, selected_item->contents), mw->menu.old_depth); | |
a7e19a26 PJ |
2102 | else |
2103 | /* Highlight next possible (enabled and not separator) menu item. */ | |
2104 | set_new_state (mw, find_next_selectable (mw, selected_item), mw->menu.old_depth - 1); | |
2105 | ||
2106 | remap_menubar (mw); | |
2107 | } | |
2108 | ||
2109 | static void | |
2110 | Up (w, ev, params, num_params) | |
2111 | Widget w; | |
2112 | XEvent *ev; | |
2113 | String *params; | |
2114 | Cardinal *num_params; | |
2115 | { | |
2116 | XlwMenuWidget mw = (XlwMenuWidget) w; | |
2117 | widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1]; | |
2118 | ||
2119 | /* Inside top-level menu-bar? */ | |
2120 | if (mw->menu.old_depth == 2) | |
2121 | { | |
2122 | /* FIXME: this is tricky. <up> in the menu-bar should select the | |
1b8d91ab PJ |
2123 | last selectable item in the list. So we select the first |
2124 | selectable one and find the previous selectable item. Is there | |
2125 | a better way? */ | |
2126 | set_new_state (mw, find_first_selectable (mw, selected_item->contents), mw->menu.old_depth); | |
a7e19a26 PJ |
2127 | remap_menubar (mw); |
2128 | selected_item = mw->menu.old_stack [mw->menu.old_depth - 1]; | |
2129 | set_new_state (mw, find_prev_selectable (mw, selected_item), mw->menu.old_depth - 1); | |
2130 | } | |
2131 | else | |
2132 | /* Highlight previous (enabled and not separator) menu item. */ | |
2133 | set_new_state (mw, find_prev_selectable (mw, selected_item), mw->menu.old_depth - 1); | |
2134 | ||
2135 | remap_menubar (mw); | |
2136 | } | |
2137 | ||
2138 | static void | |
2139 | Left (w, ev, params, num_params) | |
2140 | Widget w; | |
2141 | XEvent *ev; | |
2142 | String *params; | |
2143 | Cardinal *num_params; | |
2144 | { | |
2145 | XlwMenuWidget mw = (XlwMenuWidget) w; | |
2146 | widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1]; | |
2147 | ||
2148 | /* Inside top-level menu-bar? */ | |
2149 | if (mw->menu.old_depth == 2) | |
2150 | /* When <left> in the menu-bar is pressed, display the previous item on | |
2151 | the menu-bar. If the current item is the first one, highlight the | |
2152 | last item in the menubar (probably Help). */ | |
2153 | set_new_state (mw, find_prev_selectable (mw, selected_item), mw->menu.old_depth - 1); | |
2154 | else | |
2155 | { | |
2156 | pop_new_stack_if_no_contents (mw); | |
2157 | set_new_state (mw, mw->menu.old_stack [mw->menu.old_depth - 2], mw->menu.old_depth - 2); | |
2158 | } | |
2159 | ||
2160 | remap_menubar (mw); | |
2161 | } | |
2162 | ||
2163 | static void | |
2164 | Right (w, ev, params, num_params) | |
2165 | Widget w; | |
2166 | XEvent *ev; | |
2167 | String *params; | |
2168 | Cardinal *num_params; | |
2169 | { | |
2170 | XlwMenuWidget mw = (XlwMenuWidget) w; | |
2171 | widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1]; | |
2172 | ||
2173 | /* Inside top-level menu-bar? */ | |
2174 | if (mw->menu.old_depth == 2) | |
2175 | /* When <right> in the menu-bar is pressed, display the next item on | |
2176 | the menu-bar. If the current item is the last one, highlight the | |
2177 | first item (probably File). */ | |
2178 | set_new_state (mw, find_next_selectable (mw, selected_item), mw->menu.old_depth - 1); | |
2179 | else if (selected_item->contents) /* Is this menu item expandable? */ | |
1b8d91ab PJ |
2180 | { |
2181 | set_new_state (mw, selected_item->contents, mw->menu.old_depth); | |
2182 | remap_menubar (mw); | |
2183 | selected_item = mw->menu.old_stack [mw->menu.old_depth - 1]; | |
2184 | if (!selected_item->enabled && find_first_selectable (mw, selected_item)) | |
2185 | set_new_state (mw, find_first_selectable (mw, selected_item), mw->menu.old_depth - 1); | |
2186 | } | |
a7e19a26 PJ |
2187 | else |
2188 | { | |
2189 | pop_new_stack_if_no_contents (mw); | |
2190 | set_new_state (mw, mw->menu.old_stack [mw->menu.old_depth - 2], mw->menu.old_depth - 2); | |
2191 | } | |
2192 | ||
2193 | remap_menubar (mw); | |
2194 | } | |
2195 | ||
ba624d0f RS |
2196 | /* Handle key press and release events while menu is popped up. |
2197 | Our action is to get rid of the menu. */ | |
2198 | static void | |
2199 | Key (w, ev, params, num_params) | |
2200 | Widget w; | |
2201 | XEvent *ev; | |
2202 | String *params; | |
2203 | Cardinal *num_params; | |
2204 | { | |
2205 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
2206 | ||
2207 | /* Pop down everything. */ | |
2208 | mw->menu.new_depth = 1; | |
2209 | remap_menubar (mw); | |
2210 | ||
2211 | if (mw->menu.popped_up) | |
2212 | { | |
2213 | mw->menu.popped_up = False; | |
4db7db7d | 2214 | ungrab_all ((Widget)mw, ev->xmotion.time); |
ba624d0f RS |
2215 | if (XtIsShell (XtParent ((Widget) mw))) |
2216 | XtPopdown (XtParent ((Widget) mw)); | |
2217 | else | |
2218 | { | |
2219 | XtRemoveGrab ((Widget) mw); | |
2220 | display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); | |
2221 | } | |
2222 | } | |
2223 | ||
2224 | /* callback */ | |
2225 | XtCallCallbackList ((Widget)mw, mw->menu.select, (XtPointer)0); | |
2226 | } | |
2227 | ||
2228 | static void | |
d398028f PR |
2229 | Select (w, ev, params, num_params) |
2230 | Widget w; | |
2231 | XEvent *ev; | |
2232 | String *params; | |
2233 | Cardinal *num_params; | |
07bf635f RS |
2234 | { |
2235 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
2236 | widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1]; | |
5c520e0a | 2237 | |
d398028f PR |
2238 | /* If user releases the button quickly, without selecting anything, |
2239 | after the initial down-click that brought the menu up, | |
2240 | do nothing. */ | |
2241 | if ((selected_item == 0 | |
2242 | || ((widget_value *) selected_item)->call_data == 0) | |
2243 | && !next_release_must_exit | |
2244 | && (ev->xbutton.time - menu_post_event.xbutton.time | |
2245 | < XtGetMultiClickTime (XtDisplay (w)))) | |
2246 | return; | |
2247 | ||
2248 | /* pop down everything. */ | |
07bf635f RS |
2249 | mw->menu.new_depth = 1; |
2250 | remap_menubar (mw); | |
2251 | ||
2252 | if (mw->menu.popped_up) | |
2253 | { | |
2254 | mw->menu.popped_up = False; | |
4db7db7d | 2255 | ungrab_all ((Widget)mw, ev->xmotion.time); |
2289f3f4 PR |
2256 | if (XtIsShell (XtParent ((Widget) mw))) |
2257 | XtPopdown (XtParent ((Widget) mw)); | |
4cc76151 PR |
2258 | else |
2259 | { | |
2260 | XtRemoveGrab ((Widget) mw); | |
2261 | display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); | |
2262 | } | |
07bf635f RS |
2263 | } |
2264 | ||
2265 | /* callback */ | |
2266 | XtCallCallbackList ((Widget)mw, mw->menu.select, (XtPointer)selected_item); | |
07bf635f RS |
2267 | } |
2268 | ||
2269 | ||
2270 | \f/* Special code to pop-up a menu */ | |
2271 | void | |
d398028f PR |
2272 | pop_up_menu (mw, event) |
2273 | XlwMenuWidget mw; | |
2274 | XButtonPressedEvent* event; | |
07bf635f RS |
2275 | { |
2276 | int x = event->x_root; | |
2277 | int y = event->y_root; | |
2278 | int w; | |
2279 | int h; | |
2280 | int borderwidth = mw->menu.shadow_thickness; | |
2281 | Screen* screen = XtScreen (mw); | |
8400b9ed | 2282 | Display *display = XtDisplay (mw); |
5efb61c7 | 2283 | int count; |
07bf635f | 2284 | |
d398028f PR |
2285 | next_release_must_exit = 0; |
2286 | ||
07bf635f RS |
2287 | XtCallCallbackList ((Widget)mw, mw->menu.open, NULL); |
2288 | ||
2289f3f4 | 2289 | if (XtIsShell (XtParent ((Widget)mw))) |
4cc76151 | 2290 | size_menu (mw, 0); |
07bf635f RS |
2291 | |
2292 | w = mw->menu.windows [0].width; | |
2293 | h = mw->menu.windows [0].height; | |
2294 | ||
2295 | x -= borderwidth; | |
2296 | y -= borderwidth; | |
2297 | if (x < borderwidth) | |
2298 | x = borderwidth; | |
2299 | if (x + w + 2 * borderwidth > WidthOfScreen (screen)) | |
2300 | x = WidthOfScreen (screen) - w - 2 * borderwidth; | |
2301 | if (y < borderwidth) | |
2302 | y = borderwidth; | |
2303 | if (y + h + 2 * borderwidth> HeightOfScreen (screen)) | |
2304 | y = HeightOfScreen (screen) - h - 2 * borderwidth; | |
2305 | ||
2306 | mw->menu.popped_up = True; | |
2289f3f4 | 2307 | if (XtIsShell (XtParent ((Widget)mw))) |
4cc76151 | 2308 | { |
2289f3f4 PR |
2309 | XtConfigureWidget (XtParent ((Widget)mw), x, y, w, h, |
2310 | XtParent ((Widget)mw)->core.border_width); | |
2311 | XtPopup (XtParent ((Widget)mw), XtGrabExclusive); | |
4cc76151 PR |
2312 | display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); |
2313 | mw->menu.windows [0].x = x + borderwidth; | |
2314 | mw->menu.windows [0].y = y + borderwidth; | |
2315 | } | |
2316 | else | |
2317 | { | |
2318 | XEvent *ev = (XEvent *) event; | |
2319 | ||
87a559bf | 2320 | XtAddGrab ((Widget) mw, True, True); |
4cc76151 PR |
2321 | |
2322 | /* notes the absolute position of the menubar window */ | |
2323 | mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x; | |
2324 | mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y; | |
2325 | } | |
2326 | ||
d398028f | 2327 | #ifdef emacs |
5efb61c7 | 2328 | count = x_catch_errors (display); |
d398028f | 2329 | #endif |
4db7db7d JD |
2330 | if (XtGrabPointer ((Widget)mw, False, |
2331 | (PointerMotionMask | |
2332 | | PointerMotionHintMask | |
2333 | | ButtonReleaseMask | |
2334 | | ButtonPressMask), | |
2335 | GrabModeAsync, GrabModeAsync, None, | |
2336 | mw->menu.cursor_shape, | |
2337 | event->time) == Success) | |
2338 | { | |
005e0d57 | 2339 | if (! GRAB_KEYBOARD |
4db7db7d JD |
2340 | || XtGrabKeyboard ((Widget)mw, False, GrabModeAsync, |
2341 | GrabModeAsync, event->time) == Success) | |
2342 | { | |
2343 | XtSetKeyboardFocus((Widget)mw, None); | |
2344 | pointer_grabbed = 1; | |
2345 | } | |
2346 | else | |
2347 | XtUngrabPointer ((Widget)mw, event->time); | |
2348 | } | |
2349 | ||
d398028f | 2350 | #ifdef emacs |
8400b9ed | 2351 | if (x_had_errors_p (display)) |
d398028f PR |
2352 | { |
2353 | pointer_grabbed = 0; | |
2354 | XtUngrabPointer ((Widget)mw, event->time); | |
2355 | } | |
5efb61c7 | 2356 | x_uncatch_errors (display, count); |
d398028f | 2357 | #endif |
07bf635f | 2358 | |
07bf635f RS |
2359 | handle_motion_event (mw, (XMotionEvent*)event); |
2360 | } |