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 | |
2289f3f4 | 17 | Alongalong with GNU Emacs; see the file COPYING. If not, write to |
07bf635f RS |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ |
19 | ||
20 | /* Created by devin@lucid.com */ | |
21 | ||
07bf635f RS |
22 | #include <stdio.h> |
23 | ||
24 | #include <sys/types.h> | |
25 | #include <X11/Xos.h> | |
26 | #include <X11/IntrinsicP.h> | |
2289f3f4 | 27 | #include <X11/ObjectP.h> |
07bf635f RS |
28 | #include <X11/StringDefs.h> |
29 | #include <X11/cursorfont.h> | |
30 | #include <X11/bitmaps/gray> | |
31 | #include "xlwmenuP.h" | |
d398028f PR |
32 | |
33 | static int pointer_grabbed; | |
34 | static XEvent menu_post_event; | |
07bf635f | 35 | |
47d52240 RS |
36 | XFontStruct *xlwmenu_default_font; |
37 | ||
07bf635f RS |
38 | static char |
39 | xlwMenuTranslations [] = | |
ba624d0f RS |
40 | "<BtnDown>: start()\n\ |
41 | <Motion>: drag()\n\ | |
42 | <BtnUp>: select()\n\ | |
43 | <Key>Shift_L: nothing()\n\ | |
44 | <Key>Shift_R: nothing()\n\ | |
45 | <Key>Meta_L: nothing()\n\ | |
46 | <Key>Meta_R: nothing()\n\ | |
47 | <Key>Control_L: nothing()\n\ | |
48 | <Key>Control_R: nothing()\n\ | |
49 | <Key>Hyper_L: nothing()\n\ | |
50 | <Key>Hyper_R: nothing()\n\ | |
51 | <Key>Super_L: nothing()\n\ | |
52 | <Key>Super_R: nothing()\n\ | |
53 | <Key>Alt_L: nothing()\n\ | |
54 | <Key>Alt_R: nothing()\n\ | |
55 | <Key>Caps_Lock: nothing()\n\ | |
56 | <Key>Shift_Lock: nothing()\n\ | |
57 | <KeyUp>Shift_L: nothing()\n\ | |
58 | <KeyUp>Shift_R: nothing()\n\ | |
59 | <KeyUp>Meta_L: nothing()\n\ | |
60 | <KeyUp>Meta_R: nothing()\n\ | |
61 | <KeyUp>Control_L: nothing()\n\ | |
62 | <KeyUp>Control_R: nothing()\n\ | |
63 | <KeyUp>Hyper_L: nothing()\n\ | |
64 | <KeyUp>Hyper_R: nothing()\n\ | |
65 | <KeyUp>Super_L: nothing()\n\ | |
66 | <KeyUp>Super_R: nothing()\n\ | |
67 | <KeyUp>Alt_L: nothing()\n\ | |
68 | <KeyUp>Alt_R: nothing()\n\ | |
69 | <KeyUp>Caps_Lock: nothing()\n\ | |
70 | <KeyUp>Shift_Lock:nothing()\n\ | |
71 | <Key>: key()\n\ | |
72 | <KeyUp>: key()\n\ | |
07bf635f RS |
73 | "; |
74 | ||
75 | #define offset(field) XtOffset(XlwMenuWidget, field) | |
76 | static XtResource | |
77 | xlwMenuResources[] = | |
78 | { | |
79 | {XtNfont, XtCFont, XtRFontStruct, sizeof(XFontStruct *), | |
80 | offset(menu.font),XtRString, "XtDefaultFont"}, | |
81 | {XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel), | |
82 | offset(menu.foreground), XtRString, "XtDefaultForeground"}, | |
83 | {XtNbuttonForeground, XtCButtonForeground, XtRPixel, sizeof(Pixel), | |
84 | offset(menu.button_foreground), XtRString, "XtDefaultForeground"}, | |
85 | {XtNmargin, XtCMargin, XtRDimension, sizeof(Dimension), | |
86 | offset(menu.margin), XtRImmediate, (XtPointer)0}, | |
87 | {XtNhorizontalSpacing, XtCMargin, XtRDimension, sizeof(Dimension), | |
88 | offset(menu.horizontal_spacing), XtRImmediate, (XtPointer)3}, | |
89 | {XtNverticalSpacing, XtCMargin, XtRDimension, sizeof(Dimension), | |
90 | offset(menu.vertical_spacing), XtRImmediate, (XtPointer)1}, | |
91 | {XtNarrowSpacing, XtCMargin, XtRDimension, sizeof(Dimension), | |
92 | offset(menu.arrow_spacing), XtRImmediate, (XtPointer)10}, | |
93 | ||
d398028f | 94 | {XmNshadowThickness, XmCShadowThickness, XtRDimension, |
07bf635f RS |
95 | sizeof (Dimension), offset (menu.shadow_thickness), |
96 | XtRImmediate, (XtPointer) 2}, | |
97 | {XmNtopShadowColor, XmCTopShadowColor, XtRPixel, sizeof (Pixel), | |
98 | offset (menu.top_shadow_color), XtRImmediate, (XtPointer)-1}, | |
99 | {XmNbottomShadowColor, XmCBottomShadowColor, XtRPixel, sizeof (Pixel), | |
100 | offset (menu.bottom_shadow_color), XtRImmediate, (XtPointer)-1}, | |
101 | {XmNtopShadowPixmap, XmCTopShadowPixmap, XtRPixmap, sizeof (Pixmap), | |
102 | offset (menu.top_shadow_pixmap), XtRImmediate, (XtPointer)None}, | |
103 | {XmNbottomShadowPixmap, XmCBottomShadowPixmap, XtRPixmap, sizeof (Pixmap), | |
104 | offset (menu.bottom_shadow_pixmap), XtRImmediate, (XtPointer)None}, | |
105 | ||
106 | {XtNopen, XtCCallback, XtRCallback, sizeof(XtPointer), | |
107 | offset(menu.open), XtRCallback, (XtPointer)NULL}, | |
108 | {XtNselect, XtCCallback, XtRCallback, sizeof(XtPointer), | |
109 | offset(menu.select), XtRCallback, (XtPointer)NULL}, | |
110 | {XtNmenu, XtCMenu, XtRPointer, sizeof(XtPointer), | |
111 | offset(menu.contents), XtRImmediate, (XtPointer)NULL}, | |
112 | {XtNcursor, XtCCursor, XtRCursor, sizeof(Cursor), | |
113 | offset(menu.cursor_shape), XtRString, (XtPointer)"right_ptr"}, | |
114 | {XtNhorizontal, XtCHorizontal, XtRInt, sizeof(int), | |
115 | offset(menu.horizontal), XtRImmediate, (XtPointer)True}, | |
116 | }; | |
117 | #undef offset | |
118 | ||
119 | static Boolean XlwMenuSetValues(); | |
120 | static void XlwMenuRealize(); | |
121 | static void XlwMenuRedisplay(); | |
122 | static void XlwMenuResize(); | |
123 | static void XlwMenuInitialize(); | |
124 | static void XlwMenuRedisplay(); | |
125 | static void XlwMenuDestroy(); | |
126 | static void XlwMenuClassInitialize(); | |
127 | static void Start(); | |
128 | static void Drag(); | |
129 | static void Select(); | |
ba624d0f RS |
130 | static void Key(); |
131 | static void Nothing(); | |
07bf635f RS |
132 | |
133 | static XtActionsRec | |
134 | xlwMenuActionsList [] = | |
135 | { | |
136 | {"start", Start}, | |
137 | {"drag", Drag}, | |
138 | {"select", Select}, | |
ba624d0f RS |
139 | {"key", Key}, |
140 | {"nothing", Nothing}, | |
07bf635f RS |
141 | }; |
142 | ||
143 | #define SuperClass ((CoreWidgetClass)&coreClassRec) | |
144 | ||
145 | XlwMenuClassRec xlwMenuClassRec = | |
146 | { | |
147 | { /* CoreClass fields initialization */ | |
148 | (WidgetClass) SuperClass, /* superclass */ | |
149 | "XlwMenu", /* class_name */ | |
150 | sizeof(XlwMenuRec), /* size */ | |
151 | XlwMenuClassInitialize, /* class_initialize */ | |
152 | NULL, /* class_part_initialize */ | |
153 | FALSE, /* class_inited */ | |
154 | XlwMenuInitialize, /* initialize */ | |
155 | NULL, /* initialize_hook */ | |
156 | XlwMenuRealize, /* realize */ | |
157 | xlwMenuActionsList, /* actions */ | |
158 | XtNumber(xlwMenuActionsList), /* num_actions */ | |
159 | xlwMenuResources, /* resources */ | |
160 | XtNumber(xlwMenuResources), /* resource_count */ | |
161 | NULLQUARK, /* xrm_class */ | |
162 | TRUE, /* compress_motion */ | |
163 | TRUE, /* compress_exposure */ | |
164 | TRUE, /* compress_enterleave */ | |
165 | FALSE, /* visible_interest */ | |
166 | XlwMenuDestroy, /* destroy */ | |
167 | XlwMenuResize, /* resize */ | |
168 | XlwMenuRedisplay, /* expose */ | |
169 | XlwMenuSetValues, /* set_values */ | |
170 | NULL, /* set_values_hook */ | |
171 | XtInheritSetValuesAlmost, /* set_values_almost */ | |
172 | NULL, /* get_values_hook */ | |
173 | NULL, /* accept_focus */ | |
174 | XtVersion, /* version */ | |
175 | NULL, /* callback_private */ | |
176 | xlwMenuTranslations, /* tm_table */ | |
177 | XtInheritQueryGeometry, /* query_geometry */ | |
178 | XtInheritDisplayAccelerator, /* display_accelerator */ | |
179 | NULL /* extension */ | |
180 | }, /* XlwMenuClass fields initialization */ | |
181 | { | |
182 | 0 /* dummy */ | |
183 | }, | |
184 | }; | |
185 | ||
186 | WidgetClass xlwMenuWidgetClass = (WidgetClass) &xlwMenuClassRec; | |
187 | ||
d398028f PR |
188 | int submenu_destroyed; |
189 | ||
190 | static int next_release_must_exit; | |
191 | ||
07bf635f RS |
192 | \f/* Utilities */ |
193 | static void | |
d398028f PR |
194 | push_new_stack (mw, val) |
195 | XlwMenuWidget mw; | |
196 | widget_value* val; | |
07bf635f RS |
197 | { |
198 | if (!mw->menu.new_stack) | |
199 | { | |
200 | mw->menu.new_stack_length = 10; | |
201 | mw->menu.new_stack = | |
202 | (widget_value**)XtCalloc (mw->menu.new_stack_length, | |
203 | sizeof (widget_value*)); | |
204 | } | |
205 | else if (mw->menu.new_depth == mw->menu.new_stack_length) | |
206 | { | |
207 | mw->menu.new_stack_length *= 2; | |
208 | mw->menu.new_stack = | |
209 | (widget_value**)XtRealloc ((char*)mw->menu.new_stack, | |
210 | mw->menu.new_stack_length * sizeof (widget_value*)); | |
211 | } | |
212 | mw->menu.new_stack [mw->menu.new_depth++] = val; | |
213 | } | |
214 | ||
215 | static void | |
d398028f PR |
216 | pop_new_stack_if_no_contents (mw) |
217 | XlwMenuWidget mw; | |
07bf635f RS |
218 | { |
219 | if (mw->menu.new_depth) | |
220 | { | |
221 | if (!mw->menu.new_stack [mw->menu.new_depth - 1]->contents) | |
222 | mw->menu.new_depth -= 1; | |
223 | } | |
224 | } | |
225 | ||
226 | static void | |
d398028f PR |
227 | make_old_stack_space (mw, n) |
228 | XlwMenuWidget mw; | |
229 | int n; | |
07bf635f RS |
230 | { |
231 | if (!mw->menu.old_stack) | |
232 | { | |
233 | mw->menu.old_stack_length = 10; | |
234 | mw->menu.old_stack = | |
235 | (widget_value**)XtCalloc (mw->menu.old_stack_length, | |
236 | sizeof (widget_value*)); | |
237 | } | |
238 | else if (mw->menu.old_stack_length < n) | |
239 | { | |
240 | mw->menu.old_stack_length *= 2; | |
241 | mw->menu.old_stack = | |
242 | (widget_value**)XtRealloc ((char*)mw->menu.old_stack, | |
243 | mw->menu.old_stack_length * sizeof (widget_value*)); | |
244 | } | |
245 | } | |
246 | ||
247 | \f/* Size code */ | |
248 | static Boolean | |
d398028f PR |
249 | all_dashes_p (s) |
250 | char *s; | |
07bf635f RS |
251 | { |
252 | char* p; | |
253 | for (p = s; *p == '-'; p++); | |
254 | return !*p; | |
255 | } | |
256 | ||
d398028f PR |
257 | int |
258 | string_width (mw, s) | |
259 | XlwMenuWidget mw; | |
260 | char *s; | |
07bf635f RS |
261 | { |
262 | XCharStruct xcs; | |
263 | int drop; | |
264 | ||
265 | XTextExtents (mw->menu.font, s, strlen (s), &drop, &drop, &drop, &xcs); | |
266 | return xcs.width; | |
267 | } | |
268 | ||
269 | static int | |
d398028f PR |
270 | arrow_width (mw) |
271 | XlwMenuWidget mw; | |
07bf635f RS |
272 | { |
273 | return mw->menu.font->ascent / 2 | 1; | |
274 | } | |
275 | ||
276 | static XtResource | |
277 | nameResource[] = | |
278 | { | |
279 | {"labelString", "LabelString", XtRString, sizeof(String), | |
280 | 0, XtRImmediate, 0}, | |
281 | }; | |
282 | ||
283 | static char* | |
d398028f PR |
284 | resource_widget_value (mw, val) |
285 | XlwMenuWidget mw; | |
286 | widget_value *val; | |
07bf635f RS |
287 | { |
288 | if (!val->toolkit_data) | |
289 | { | |
290 | char* resourced_name = NULL; | |
291 | char* complete_name; | |
292 | XtGetSubresources ((Widget) mw, | |
293 | (XtPointer) &resourced_name, | |
294 | val->name, val->name, | |
295 | nameResource, 1, NULL, 0); | |
296 | if (!resourced_name) | |
297 | resourced_name = val->name; | |
298 | if (!val->value) | |
d97342f3 RS |
299 | { |
300 | complete_name = (char *) XtMalloc (strlen (resourced_name) + 1); | |
301 | strcpy (complete_name, resourced_name); | |
302 | } | |
07bf635f RS |
303 | else |
304 | { | |
305 | int complete_length = | |
306 | strlen (resourced_name) + strlen (val->value) + 2; | |
307 | complete_name = XtMalloc (complete_length); | |
308 | *complete_name = 0; | |
309 | strcat (complete_name, resourced_name); | |
310 | strcat (complete_name, " "); | |
311 | strcat (complete_name, val->value); | |
312 | } | |
313 | ||
314 | val->toolkit_data = complete_name; | |
315 | val->free_toolkit_data = True; | |
316 | } | |
317 | return (char*)val->toolkit_data; | |
318 | } | |
319 | ||
320 | /* Returns the sizes of an item */ | |
321 | static void | |
d398028f PR |
322 | size_menu_item (mw, val, horizontal_p, label_width, rest_width, height) |
323 | XlwMenuWidget mw; | |
324 | widget_value* val; | |
325 | int horizontal_p; | |
326 | int* label_width; | |
327 | int* rest_width; | |
328 | int* height; | |
07bf635f RS |
329 | { |
330 | if (all_dashes_p (val->name)) | |
331 | { | |
332 | *height = 2; | |
333 | *label_width = 1; | |
334 | *rest_width = 0; | |
335 | } | |
336 | else | |
337 | { | |
338 | *height = | |
339 | mw->menu.font->ascent + mw->menu.font->descent | |
340 | + 2 * mw->menu.vertical_spacing + 2 * mw->menu.shadow_thickness; | |
341 | ||
342 | *label_width = | |
343 | string_width (mw, resource_widget_value (mw, val)) | |
344 | + mw->menu.horizontal_spacing + mw->menu.shadow_thickness; | |
345 | ||
346 | *rest_width = mw->menu.horizontal_spacing + mw->menu.shadow_thickness; | |
347 | if (!horizontal_p) | |
348 | { | |
349 | if (val->contents) | |
350 | *rest_width += arrow_width (mw) + mw->menu.arrow_spacing; | |
351 | else if (val->key) | |
352 | *rest_width += | |
353 | string_width (mw, val->key) + mw->menu.arrow_spacing; | |
354 | } | |
355 | } | |
356 | } | |
357 | ||
358 | static void | |
d398028f PR |
359 | size_menu (mw, level) |
360 | XlwMenuWidget mw; | |
361 | int level; | |
07bf635f | 362 | { |
ccf589a6 | 363 | unsigned int label_width = 0; |
07bf635f RS |
364 | int rest_width = 0; |
365 | int max_rest_width = 0; | |
ccf589a6 | 366 | unsigned int height = 0; |
07bf635f RS |
367 | int horizontal_p = mw->menu.horizontal && (level == 0); |
368 | widget_value* val; | |
369 | window_state* ws; | |
370 | ||
371 | if (level >= mw->menu.old_depth) | |
372 | abort (); | |
373 | ||
374 | ws = &mw->menu.windows [level]; | |
375 | ws->width = 0; | |
376 | ws->height = 0; | |
377 | ws->label_width = 0; | |
378 | ||
379 | for (val = mw->menu.old_stack [level]->contents; val; val = val->next) | |
380 | { | |
381 | size_menu_item (mw, val, horizontal_p, &label_width, &rest_width, | |
382 | &height); | |
383 | if (horizontal_p) | |
384 | { | |
385 | ws->width += label_width + rest_width; | |
386 | if (height > ws->height) | |
387 | ws->height = height; | |
388 | } | |
389 | else | |
390 | { | |
391 | if (label_width > ws->label_width) | |
392 | ws->label_width = label_width; | |
393 | if (rest_width > max_rest_width) | |
394 | max_rest_width = rest_width; | |
395 | ws->height += height; | |
396 | } | |
397 | } | |
398 | ||
399 | if (horizontal_p) | |
400 | ws->label_width = 0; | |
401 | else | |
402 | ws->width = ws->label_width + max_rest_width; | |
403 | ||
404 | ws->width += 2 * mw->menu.shadow_thickness; | |
405 | ws->height += 2 * mw->menu.shadow_thickness; | |
406 | } | |
407 | ||
408 | ||
409 | \f/* Display code */ | |
410 | static void | |
d398028f PR |
411 | draw_arrow (mw, window, gc, x, y, width) |
412 | XlwMenuWidget mw; | |
413 | Window window; | |
414 | GC gc; | |
415 | int x; | |
416 | int y; | |
417 | int width; | |
07bf635f RS |
418 | { |
419 | XPoint points [3]; | |
420 | points [0].x = x; | |
421 | points [0].y = y + mw->menu.font->ascent; | |
422 | points [1].x = x; | |
423 | points [1].y = y; | |
424 | points [2].x = x + width; | |
425 | points [2].y = y + mw->menu.font->ascent / 2; | |
426 | ||
427 | XFillPolygon (XtDisplay (mw), window, gc, points, 3, Convex, | |
428 | CoordModeOrigin); | |
429 | } | |
430 | ||
431 | static void | |
d398028f PR |
432 | draw_shadow_rectangle (mw, window, x, y, width, height, erase_p) |
433 | XlwMenuWidget mw; | |
434 | Window window; | |
435 | int x; | |
436 | int y; | |
437 | int width; | |
438 | int height; | |
439 | int erase_p; | |
07bf635f RS |
440 | { |
441 | Display *dpy = XtDisplay (mw); | |
442 | GC top_gc = !erase_p ? mw->menu.shadow_top_gc : mw->menu.background_gc; | |
443 | GC bottom_gc = !erase_p ? mw->menu.shadow_bottom_gc : mw->menu.background_gc; | |
444 | int thickness = mw->menu.shadow_thickness; | |
445 | XPoint points [4]; | |
446 | points [0].x = x; | |
447 | points [0].y = y; | |
448 | points [1].x = x + width; | |
449 | points [1].y = y; | |
450 | points [2].x = x + width - thickness; | |
451 | points [2].y = y + thickness; | |
452 | points [3].x = x; | |
453 | points [3].y = y + thickness; | |
454 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
455 | points [0].x = x; | |
456 | points [0].y = y + thickness; | |
457 | points [1].x = x; | |
458 | points [1].y = y + height; | |
459 | points [2].x = x + thickness; | |
460 | points [2].y = y + height - thickness; | |
461 | points [3].x = x + thickness; | |
462 | points [3].y = y + thickness; | |
463 | XFillPolygon (dpy, window, top_gc, points, 4, Convex, CoordModeOrigin); | |
464 | points [0].x = x + width; | |
465 | points [0].y = y; | |
466 | points [1].x = x + width - thickness; | |
467 | points [1].y = y + thickness; | |
468 | points [2].x = x + width - thickness; | |
469 | points [2].y = y + height - thickness; | |
470 | points [3].x = x + width; | |
471 | points [3].y = y + height - thickness; | |
472 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
473 | points [0].x = x; | |
474 | points [0].y = y + height; | |
475 | points [1].x = x + width; | |
476 | points [1].y = y + height; | |
477 | points [2].x = x + width; | |
478 | points [2].y = y + height - thickness; | |
479 | points [3].x = x + thickness; | |
480 | points [3].y = y + height - thickness; | |
481 | XFillPolygon (dpy, window, bottom_gc, points, 4, Convex, CoordModeOrigin); | |
482 | } | |
483 | ||
484 | ||
485 | /* Display the menu item and increment where.x and where.y to show how large | |
486 | ** the menu item was. | |
487 | */ | |
488 | static void | |
d398028f PR |
489 | display_menu_item (mw, val, ws, where, highlighted_p, horizontal_p, just_compute_p) |
490 | XlwMenuWidget mw; | |
491 | widget_value* val; | |
492 | window_state* ws; | |
493 | XPoint* where; | |
494 | Boolean highlighted_p; | |
495 | Boolean horizontal_p; | |
496 | Boolean just_compute_p; | |
07bf635f RS |
497 | { |
498 | GC deco_gc; | |
499 | GC text_gc; | |
500 | int font_ascent = mw->menu.font->ascent; | |
501 | int font_descent = mw->menu.font->descent; | |
502 | int shadow = mw->menu.shadow_thickness; | |
503 | int separator_p = all_dashes_p (val->name); | |
504 | int h_spacing = mw->menu.horizontal_spacing; | |
505 | int v_spacing = mw->menu.vertical_spacing; | |
506 | int label_width; | |
507 | int rest_width; | |
508 | int height; | |
509 | int width; | |
510 | int button_p; | |
511 | ||
512 | /* compute the sizes of the item */ | |
513 | size_menu_item (mw, val, horizontal_p, &label_width, &rest_width, &height); | |
514 | ||
515 | if (horizontal_p) | |
516 | width = label_width + rest_width; | |
517 | else | |
518 | { | |
519 | label_width = ws->label_width; | |
520 | width = ws->width - 2 * shadow; | |
521 | } | |
522 | ||
4f35820f | 523 | #if 0 |
07bf635f RS |
524 | /* see if it should be a button in the menubar */ |
525 | button_p = horizontal_p && val->call_data; | |
c142163a RS |
526 | #endif |
527 | button_p = 0; | |
07bf635f RS |
528 | |
529 | /* Only highlight an enabled item that has a callback. */ | |
530 | if (highlighted_p) | |
531 | if (!val->enabled || !(val->call_data || val->contents)) | |
532 | highlighted_p = 0; | |
533 | ||
534 | /* do the drawing. */ | |
535 | if (!just_compute_p) | |
536 | { | |
537 | /* Add the shadow border of the containing menu */ | |
538 | int x = where->x + shadow; | |
539 | int y = where->y + shadow; | |
540 | ||
541 | /* pick the foreground and background GC. */ | |
542 | if (val->enabled) | |
543 | text_gc = button_p ? mw->menu.button_gc : mw->menu.foreground_gc; | |
544 | else | |
545 | text_gc = | |
546 | button_p ? mw->menu.inactive_button_gc : mw->menu.inactive_gc; | |
547 | deco_gc = mw->menu.foreground_gc; | |
548 | ||
549 | if (separator_p) | |
550 | { | |
551 | XDrawLine (XtDisplay (mw), ws->window, mw->menu.shadow_bottom_gc, | |
552 | x, y, x + width, y); | |
553 | XDrawLine (XtDisplay (mw), ws->window, mw->menu.shadow_top_gc, | |
554 | x, y + 1, x + width, y + 1); | |
555 | } | |
556 | else | |
557 | { | |
84593cae | 558 | int x_offset = x + h_spacing + shadow; |
07bf635f RS |
559 | char* display_string = resource_widget_value (mw, val); |
560 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, True); | |
84593cae PR |
561 | |
562 | /* Deal with centering a menu title. */ | |
563 | if (!horizontal_p && !val->contents && !val->call_data) | |
564 | { | |
565 | int l = string_width (mw, display_string); | |
566 | ||
567 | if (width > l) | |
568 | x_offset = (width - l) >> 1; | |
569 | } | |
570 | XDrawString (XtDisplay (mw), ws->window, text_gc, x_offset, | |
07bf635f RS |
571 | y + v_spacing + shadow + font_ascent, |
572 | display_string, strlen (display_string)); | |
573 | ||
574 | if (!horizontal_p) | |
575 | { | |
576 | if (val->contents) | |
577 | { | |
578 | int a_w = arrow_width (mw); | |
579 | draw_arrow (mw, ws->window, deco_gc, | |
d398028f PR |
580 | x + width - arrow_width (mw) |
581 | - mw->menu.horizontal_spacing | |
582 | - mw->menu.shadow_thickness, | |
07bf635f RS |
583 | y + v_spacing + shadow, a_w); |
584 | } | |
585 | else if (val->key) | |
586 | { | |
587 | XDrawString (XtDisplay (mw), ws->window, text_gc, | |
588 | x + label_width + mw->menu.arrow_spacing, | |
589 | y + v_spacing + shadow + font_ascent, | |
590 | val->key, strlen (val->key)); | |
591 | } | |
592 | } | |
593 | ||
594 | else if (button_p) | |
595 | { | |
596 | #if 1 | |
597 | XDrawRectangle (XtDisplay (mw), ws->window, deco_gc, | |
598 | x + shadow, y + shadow, | |
599 | label_width + h_spacing - 1, | |
600 | font_ascent + font_descent + 2 * v_spacing - 1); | |
d398028f PR |
601 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, |
602 | False); | |
07bf635f RS |
603 | #else |
604 | highlighted_p = True; | |
605 | #endif | |
606 | } | |
d398028f PR |
607 | else |
608 | { | |
609 | XDrawRectangle (XtDisplay (mw), ws->window, | |
610 | mw->menu.background_gc, | |
611 | x + shadow, y + shadow, | |
612 | label_width + h_spacing - 1, | |
613 | font_ascent + font_descent + 2 * v_spacing - 1); | |
614 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, | |
615 | True); | |
616 | } | |
07bf635f RS |
617 | |
618 | if (highlighted_p) | |
619 | draw_shadow_rectangle (mw, ws->window, x, y, width, height, False); | |
620 | } | |
621 | } | |
622 | ||
623 | where->x += width; | |
624 | where->y += height; | |
625 | } | |
626 | ||
627 | static void | |
d398028f PR |
628 | display_menu (mw, level, just_compute_p, highlighted_pos, hit, hit_return, |
629 | this, that) | |
630 | XlwMenuWidget mw; | |
631 | int level; | |
632 | Boolean just_compute_p; | |
633 | XPoint* highlighted_pos; | |
634 | XPoint* hit; | |
635 | widget_value** hit_return; | |
636 | widget_value* this; | |
637 | widget_value* that; | |
07bf635f RS |
638 | { |
639 | widget_value* val; | |
640 | widget_value* following_item; | |
641 | window_state* ws; | |
642 | XPoint where; | |
643 | int horizontal_p = mw->menu.horizontal && (level == 0); | |
644 | int highlighted_p; | |
645 | int just_compute_this_one_p; | |
646 | ||
647 | if (level >= mw->menu.old_depth) | |
648 | abort (); | |
649 | ||
650 | if (level < mw->menu.old_depth - 1) | |
651 | following_item = mw->menu.old_stack [level + 1]; | |
652 | else | |
653 | following_item = NULL; | |
654 | ||
655 | if (hit) | |
656 | *hit_return = NULL; | |
657 | ||
658 | where.x = 0; | |
659 | where.y = 0; | |
660 | ||
661 | ws = &mw->menu.windows [level]; | |
662 | for (val = mw->menu.old_stack [level]->contents; val; val = val->next) | |
663 | { | |
664 | highlighted_p = val == following_item; | |
665 | if (highlighted_p && highlighted_pos) | |
666 | { | |
667 | if (horizontal_p) | |
668 | highlighted_pos->x = where.x; | |
669 | else | |
670 | highlighted_pos->y = where.y; | |
671 | } | |
672 | ||
673 | just_compute_this_one_p = | |
674 | just_compute_p || ((this || that) && val != this && val != that); | |
675 | ||
676 | display_menu_item (mw, val, ws, &where, highlighted_p, horizontal_p, | |
677 | just_compute_this_one_p); | |
678 | ||
679 | if (highlighted_p && highlighted_pos) | |
680 | { | |
681 | if (horizontal_p) | |
682 | highlighted_pos->y = where.y; | |
683 | else | |
684 | highlighted_pos->x = where.x; | |
685 | } | |
686 | ||
687 | if (hit | |
688 | && !*hit_return | |
689 | && (horizontal_p ? hit->x < where.x : hit->y < where.y) | |
690 | && !all_dashes_p (val->name)) | |
691 | *hit_return = val; | |
692 | ||
693 | if (horizontal_p) | |
694 | where.y = 0; | |
695 | else | |
696 | where.x = 0; | |
697 | } | |
698 | ||
699 | if (!just_compute_p) | |
700 | draw_shadow_rectangle (mw, ws->window, 0, 0, ws->width, ws->height, False); | |
701 | } | |
702 | ||
703 | \f/* Motion code */ | |
704 | static void | |
d398028f PR |
705 | set_new_state (mw, val, level) |
706 | XlwMenuWidget mw; | |
707 | widget_value* val; | |
708 | int level; | |
07bf635f RS |
709 | { |
710 | int i; | |
711 | ||
712 | mw->menu.new_depth = 0; | |
713 | for (i = 0; i < level; i++) | |
714 | push_new_stack (mw, mw->menu.old_stack [i]); | |
715 | push_new_stack (mw, val); | |
716 | } | |
717 | ||
718 | static void | |
d398028f PR |
719 | make_windows_if_needed (mw, n) |
720 | XlwMenuWidget mw; | |
721 | int n; | |
07bf635f RS |
722 | { |
723 | int i; | |
724 | int start_at; | |
725 | XSetWindowAttributes xswa; | |
726 | int mask; | |
727 | Window root = RootWindowOfScreen (DefaultScreenOfDisplay (XtDisplay (mw))); | |
728 | window_state* windows; | |
729 | ||
730 | if (mw->menu.windows_length >= n) | |
731 | return; | |
732 | ||
733 | xswa.save_under = True; | |
734 | xswa.override_redirect = True; | |
735 | xswa.background_pixel = mw->core.background_pixel; | |
736 | xswa.border_pixel = mw->core.border_pixel; | |
737 | xswa.event_mask = | |
d398028f | 738 | ExposureMask | PointerMotionMask | PointerMotionHintMask |
07bf635f RS |
739 | | ButtonReleaseMask | ButtonPressMask; |
740 | xswa.cursor = mw->menu.cursor_shape; | |
741 | mask = CWSaveUnder | CWOverrideRedirect | CWBackPixel | CWBorderPixel | |
742 | | CWEventMask | CWCursor; | |
743 | ||
744 | if (!mw->menu.windows) | |
745 | { | |
746 | mw->menu.windows = | |
747 | (window_state*)XtMalloc (n * sizeof (window_state)); | |
748 | start_at = 0; | |
749 | } | |
750 | else | |
751 | { | |
752 | mw->menu.windows = | |
753 | (window_state*)XtRealloc ((char*)mw->menu.windows, | |
754 | n * sizeof (window_state)); | |
755 | start_at = mw->menu.windows_length; | |
756 | } | |
757 | mw->menu.windows_length = n; | |
758 | ||
759 | windows = mw->menu.windows; | |
760 | ||
761 | for (i = start_at; i < n; i++) | |
762 | { | |
763 | windows [i].x = 0; | |
764 | windows [i].y = 0; | |
765 | windows [i].width = 1; | |
766 | windows [i].height = 1; | |
767 | windows [i].window = | |
768 | XCreateWindow (XtDisplay (mw), root, 0, 0, 1, 1, | |
769 | 0, 0, CopyFromParent, CopyFromParent, mask, &xswa); | |
770 | } | |
771 | } | |
772 | ||
773 | /* Make the window fit in the screen */ | |
774 | static void | |
d398028f PR |
775 | fit_to_screen (mw, ws, previous_ws, horizontal_p) |
776 | XlwMenuWidget mw; | |
777 | window_state* ws; | |
778 | window_state* previous_ws; | |
779 | Boolean horizontal_p; | |
07bf635f | 780 | { |
ccf589a6 RS |
781 | unsigned int screen_width = WidthOfScreen (XtScreen (mw)); |
782 | unsigned int screen_height = HeightOfScreen (XtScreen (mw)); | |
07bf635f RS |
783 | |
784 | if (ws->x < 0) | |
785 | ws->x = 0; | |
786 | else if (ws->x + ws->width > screen_width) | |
787 | { | |
788 | if (!horizontal_p) | |
789 | ws->x = previous_ws->x - ws->width; | |
790 | else | |
791 | ws->x = screen_width - ws->width; | |
525b8232 RS |
792 | if (ws->x < 0) |
793 | ws->x = 0; | |
07bf635f RS |
794 | } |
795 | if (ws->y < 0) | |
796 | ws->y = 0; | |
797 | else if (ws->y + ws->height > screen_height) | |
798 | { | |
799 | if (horizontal_p) | |
800 | ws->y = previous_ws->y - ws->height; | |
801 | else | |
802 | ws->y = screen_height - ws->height; | |
525b8232 RS |
803 | if (ws->y < 0) |
804 | ws->y = 0; | |
07bf635f RS |
805 | } |
806 | } | |
807 | ||
808 | /* Updates old_stack from new_stack and redisplays. */ | |
809 | static void | |
d398028f PR |
810 | remap_menubar (mw) |
811 | XlwMenuWidget mw; | |
07bf635f RS |
812 | { |
813 | int i; | |
814 | int last_same; | |
815 | XPoint selection_position; | |
816 | int old_depth = mw->menu.old_depth; | |
817 | int new_depth = mw->menu.new_depth; | |
818 | widget_value** old_stack; | |
819 | widget_value** new_stack; | |
820 | window_state* windows; | |
821 | widget_value* old_selection; | |
822 | widget_value* new_selection; | |
823 | ||
824 | /* Check that enough windows and old_stack are ready. */ | |
825 | make_windows_if_needed (mw, new_depth); | |
826 | make_old_stack_space (mw, new_depth); | |
827 | windows = mw->menu.windows; | |
828 | old_stack = mw->menu.old_stack; | |
829 | new_stack = mw->menu.new_stack; | |
830 | ||
831 | /* compute the last identical different entry */ | |
832 | for (i = 1; i < old_depth && i < new_depth; i++) | |
833 | if (old_stack [i] != new_stack [i]) | |
834 | break; | |
835 | last_same = i - 1; | |
836 | ||
837 | /* Memorize the previously selected item to be able to refresh it */ | |
838 | old_selection = last_same + 1 < old_depth ? old_stack [last_same + 1] : NULL; | |
839 | if (old_selection && !old_selection->enabled) | |
840 | old_selection = NULL; | |
841 | new_selection = last_same + 1 < new_depth ? new_stack [last_same + 1] : NULL; | |
842 | if (new_selection && !new_selection->enabled) | |
843 | new_selection = NULL; | |
844 | ||
845 | /* updates old_state from new_state. It has to be done now because | |
846 | display_menu (called below) uses the old_stack to know what to display. */ | |
847 | for (i = last_same + 1; i < new_depth; i++) | |
848 | old_stack [i] = new_stack [i]; | |
849 | mw->menu.old_depth = new_depth; | |
850 | ||
908ff139 | 851 | /* refresh the last selection */ |
07bf635f RS |
852 | selection_position.x = 0; |
853 | selection_position.y = 0; | |
854 | display_menu (mw, last_same, new_selection == old_selection, | |
855 | &selection_position, NULL, NULL, old_selection, new_selection); | |
856 | ||
857 | /* Now popup the new menus */ | |
858 | for (i = last_same + 1; i < new_depth && new_stack [i]->contents; i++) | |
859 | { | |
860 | window_state* previous_ws = &windows [i - 1]; | |
861 | window_state* ws = &windows [i]; | |
862 | ||
863 | ws->x = | |
864 | previous_ws->x + selection_position.x + mw->menu.shadow_thickness; | |
865 | if (!mw->menu.horizontal || i > 1) | |
866 | ws->x += mw->menu.shadow_thickness; | |
867 | ws->y = | |
868 | previous_ws->y + selection_position.y + mw->menu.shadow_thickness; | |
869 | ||
870 | size_menu (mw, i); | |
871 | ||
872 | fit_to_screen (mw, ws, previous_ws, mw->menu.horizontal && i == 1); | |
873 | ||
874 | XClearWindow (XtDisplay (mw), ws->window); | |
875 | XMoveResizeWindow (XtDisplay (mw), ws->window, ws->x, ws->y, | |
876 | ws->width, ws->height); | |
877 | XMapRaised (XtDisplay (mw), ws->window); | |
878 | display_menu (mw, i, False, &selection_position, NULL, NULL, NULL, NULL); | |
879 | } | |
880 | ||
881 | /* unmap the menus that popped down */ | |
882 | for (i = new_depth - 1; i < old_depth; i++) | |
883 | if (i >= new_depth || !new_stack [i]->contents) | |
884 | XUnmapWindow (XtDisplay (mw), windows [i].window); | |
885 | } | |
886 | ||
887 | static Boolean | |
d398028f PR |
888 | motion_event_is_in_menu (mw, ev, level, relative_pos) |
889 | XlwMenuWidget mw; | |
890 | XMotionEvent* ev; | |
891 | int level; | |
892 | XPoint* relative_pos; | |
07bf635f RS |
893 | { |
894 | window_state* ws = &mw->menu.windows [level]; | |
6a21225c RS |
895 | int x = level == 0 ? ws->x : ws->x + mw->menu.shadow_thickness; |
896 | int y = level == 0 ? ws->y : ws->y + mw->menu.shadow_thickness; | |
07bf635f RS |
897 | relative_pos->x = ev->x_root - x; |
898 | relative_pos->y = ev->y_root - y; | |
899 | return (x < ev->x_root && ev->x_root < x + ws->width | |
900 | && y < ev->y_root && ev->y_root < y + ws->height); | |
901 | } | |
902 | ||
903 | static Boolean | |
d398028f PR |
904 | map_event_to_widget_value (mw, ev, val, level) |
905 | XlwMenuWidget mw; | |
906 | XMotionEvent* ev; | |
907 | widget_value** val; | |
908 | int* level; | |
07bf635f RS |
909 | { |
910 | int i; | |
911 | XPoint relative_pos; | |
912 | window_state* ws; | |
913 | ||
914 | *val = NULL; | |
915 | ||
916 | /* Find the window */ | |
917 | for (i = mw->menu.old_depth - 1; i >= 0; i--) | |
918 | { | |
919 | ws = &mw->menu.windows [i]; | |
920 | if (ws && motion_event_is_in_menu (mw, ev, i, &relative_pos)) | |
921 | { | |
922 | display_menu (mw, i, True, NULL, &relative_pos, val, NULL, NULL); | |
923 | ||
924 | if (*val) | |
925 | { | |
926 | *level = i + 1; | |
927 | return True; | |
928 | } | |
929 | } | |
930 | } | |
931 | return False; | |
932 | } | |
933 | ||
934 | \f/* Procedures */ | |
935 | static void | |
d398028f PR |
936 | make_drawing_gcs (mw) |
937 | XlwMenuWidget mw; | |
07bf635f RS |
938 | { |
939 | XGCValues xgcv; | |
940 | ||
941 | xgcv.font = mw->menu.font->fid; | |
942 | xgcv.foreground = mw->menu.foreground; | |
943 | xgcv.background = mw->core.background_pixel; | |
944 | mw->menu.foreground_gc = XtGetGC ((Widget)mw, | |
945 | GCFont | GCForeground | GCBackground, | |
946 | &xgcv); | |
947 | ||
948 | xgcv.font = mw->menu.font->fid; | |
949 | xgcv.foreground = mw->menu.button_foreground; | |
950 | xgcv.background = mw->core.background_pixel; | |
951 | mw->menu.button_gc = XtGetGC ((Widget)mw, | |
952 | GCFont | GCForeground | GCBackground, | |
953 | &xgcv); | |
954 | ||
955 | xgcv.font = mw->menu.font->fid; | |
956 | xgcv.foreground = mw->menu.foreground; | |
957 | xgcv.background = mw->core.background_pixel; | |
958 | xgcv.fill_style = FillStippled; | |
959 | xgcv.stipple = mw->menu.gray_pixmap; | |
960 | mw->menu.inactive_gc = XtGetGC ((Widget)mw, | |
961 | (GCFont | GCForeground | GCBackground | |
962 | | GCFillStyle | GCStipple), &xgcv); | |
963 | ||
964 | xgcv.font = mw->menu.font->fid; | |
965 | xgcv.foreground = mw->menu.button_foreground; | |
966 | xgcv.background = mw->core.background_pixel; | |
967 | xgcv.fill_style = FillStippled; | |
968 | xgcv.stipple = mw->menu.gray_pixmap; | |
969 | mw->menu.inactive_button_gc = XtGetGC ((Widget)mw, | |
970 | (GCFont | GCForeground | GCBackground | |
971 | | GCFillStyle | GCStipple), &xgcv); | |
972 | ||
973 | xgcv.font = mw->menu.font->fid; | |
974 | xgcv.foreground = mw->core.background_pixel; | |
975 | xgcv.background = mw->menu.foreground; | |
976 | mw->menu.background_gc = XtGetGC ((Widget)mw, | |
977 | GCFont | GCForeground | GCBackground, | |
978 | &xgcv); | |
979 | } | |
980 | ||
981 | static void | |
d398028f PR |
982 | release_drawing_gcs (mw) |
983 | XlwMenuWidget mw; | |
07bf635f RS |
984 | { |
985 | XtReleaseGC ((Widget) mw, mw->menu.foreground_gc); | |
986 | XtReleaseGC ((Widget) mw, mw->menu.button_gc); | |
987 | XtReleaseGC ((Widget) mw, mw->menu.inactive_gc); | |
988 | XtReleaseGC ((Widget) mw, mw->menu.inactive_button_gc); | |
989 | XtReleaseGC ((Widget) mw, mw->menu.background_gc); | |
990 | /* let's get some segvs if we try to use these... */ | |
991 | mw->menu.foreground_gc = (GC) -1; | |
992 | mw->menu.button_gc = (GC) -1; | |
993 | mw->menu.inactive_gc = (GC) -1; | |
994 | mw->menu.inactive_button_gc = (GC) -1; | |
995 | mw->menu.background_gc = (GC) -1; | |
996 | } | |
997 | ||
998 | #define MINL(x,y) ((((unsigned long) (x)) < ((unsigned long) (y))) \ | |
999 | ? ((unsigned long) (x)) : ((unsigned long) (y))) | |
1000 | ||
1001 | static void | |
d398028f PR |
1002 | make_shadow_gcs (mw) |
1003 | XlwMenuWidget mw; | |
07bf635f RS |
1004 | { |
1005 | XGCValues xgcv; | |
1006 | unsigned long pm = 0; | |
1007 | Display *dpy = XtDisplay ((Widget) mw); | |
1008 | Colormap cmap = DefaultColormapOfScreen (XtScreen ((Widget) mw)); | |
1009 | XColor topc, botc; | |
1010 | int top_frobbed = 0, bottom_frobbed = 0; | |
1011 | ||
1012 | if (mw->menu.top_shadow_color == -1) | |
1013 | mw->menu.top_shadow_color = mw->core.background_pixel; | |
1014 | if (mw->menu.bottom_shadow_color == -1) | |
1015 | mw->menu.bottom_shadow_color = mw->menu.foreground; | |
1016 | ||
1017 | if (mw->menu.top_shadow_color == mw->core.background_pixel || | |
1018 | mw->menu.top_shadow_color == mw->menu.foreground) | |
1019 | { | |
1020 | topc.pixel = mw->core.background_pixel; | |
1021 | XQueryColor (dpy, cmap, &topc); | |
1022 | /* don't overflow/wrap! */ | |
1023 | topc.red = MINL (65535, topc.red * 1.2); | |
1024 | topc.green = MINL (65535, topc.green * 1.2); | |
1025 | topc.blue = MINL (65535, topc.blue * 1.2); | |
1026 | if (XAllocColor (dpy, cmap, &topc)) | |
1027 | { | |
1028 | mw->menu.top_shadow_color = topc.pixel; | |
1029 | top_frobbed = 1; | |
1030 | } | |
1031 | } | |
1032 | if (mw->menu.bottom_shadow_color == mw->menu.foreground || | |
1033 | mw->menu.bottom_shadow_color == mw->core.background_pixel) | |
1034 | { | |
1035 | botc.pixel = mw->core.background_pixel; | |
1036 | XQueryColor (dpy, cmap, &botc); | |
1037 | botc.red *= 0.6; | |
1038 | botc.green *= 0.6; | |
1039 | botc.blue *= 0.6; | |
1040 | if (XAllocColor (dpy, cmap, &botc)) | |
1041 | { | |
1042 | mw->menu.bottom_shadow_color = botc.pixel; | |
1043 | bottom_frobbed = 1; | |
1044 | } | |
1045 | } | |
1046 | ||
1047 | if (top_frobbed && bottom_frobbed) | |
1048 | { | |
1049 | int top_avg = ((topc.red / 3) + (topc.green / 3) + (topc.blue / 3)); | |
1050 | int bot_avg = ((botc.red / 3) + (botc.green / 3) + (botc.blue / 3)); | |
1051 | if (bot_avg > top_avg) | |
1052 | { | |
1053 | Pixel tmp = mw->menu.top_shadow_color; | |
1054 | mw->menu.top_shadow_color = mw->menu.bottom_shadow_color; | |
1055 | mw->menu.bottom_shadow_color = tmp; | |
1056 | } | |
1057 | else if (topc.pixel == botc.pixel) | |
1058 | { | |
1059 | if (botc.pixel == mw->menu.foreground) | |
1060 | mw->menu.top_shadow_color = mw->core.background_pixel; | |
1061 | else | |
1062 | mw->menu.bottom_shadow_color = mw->menu.foreground; | |
1063 | } | |
1064 | } | |
1065 | ||
1066 | if (!mw->menu.top_shadow_pixmap && | |
1067 | mw->menu.top_shadow_color == mw->core.background_pixel) | |
1068 | { | |
1069 | mw->menu.top_shadow_pixmap = mw->menu.gray_pixmap; | |
1070 | mw->menu.top_shadow_color = mw->menu.foreground; | |
1071 | } | |
1072 | if (!mw->menu.bottom_shadow_pixmap && | |
1073 | mw->menu.bottom_shadow_color == mw->core.background_pixel) | |
1074 | { | |
1075 | mw->menu.bottom_shadow_pixmap = mw->menu.gray_pixmap; | |
1076 | mw->menu.bottom_shadow_color = mw->menu.foreground; | |
1077 | } | |
1078 | ||
1079 | xgcv.fill_style = FillStippled; | |
1080 | xgcv.foreground = mw->menu.top_shadow_color; | |
1081 | xgcv.stipple = mw->menu.top_shadow_pixmap; | |
1082 | pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0); | |
1083 | mw->menu.shadow_top_gc = XtGetGC ((Widget)mw, GCForeground | pm, &xgcv); | |
1084 | ||
1085 | xgcv.foreground = mw->menu.bottom_shadow_color; | |
1086 | xgcv.stipple = mw->menu.bottom_shadow_pixmap; | |
1087 | pm = (xgcv.stipple ? GCStipple|GCFillStyle : 0); | |
1088 | mw->menu.shadow_bottom_gc = XtGetGC ((Widget)mw, GCForeground | pm, &xgcv); | |
1089 | } | |
1090 | ||
1091 | ||
1092 | static void | |
d398028f PR |
1093 | release_shadow_gcs (mw) |
1094 | XlwMenuWidget mw; | |
07bf635f RS |
1095 | { |
1096 | XtReleaseGC ((Widget) mw, mw->menu.shadow_top_gc); | |
1097 | XtReleaseGC ((Widget) mw, mw->menu.shadow_bottom_gc); | |
1098 | } | |
1099 | ||
1100 | static void | |
47d52240 | 1101 | XlwMenuInitialize (request, mw, args, num_args) |
d398028f | 1102 | Widget request; |
47d52240 | 1103 | XlwMenuWidget mw; |
d398028f PR |
1104 | ArgList args; |
1105 | Cardinal *num_args; | |
07bf635f RS |
1106 | { |
1107 | /* Get the GCs and the widget size */ | |
07bf635f RS |
1108 | XSetWindowAttributes xswa; |
1109 | int mask; | |
1110 | ||
1111 | Window window = RootWindowOfScreen (DefaultScreenOfDisplay (XtDisplay (mw))); | |
1112 | Display* display = XtDisplay (mw); | |
1113 | ||
d398028f PR |
1114 | #if 0 |
1115 | widget_value *tem = (widget_value *) XtMalloc (sizeof (widget_value)); | |
1116 | ||
1117 | /* _XtCreate is freeing the object that was passed to us, | |
1118 | so make a copy that we will actually keep. */ | |
1119 | lwlib_bcopy (mw->menu.contents, tem, sizeof (widget_value)); | |
1120 | mw->menu.contents = tem; | |
1121 | #endif | |
1122 | ||
07bf635f RS |
1123 | /* mw->menu.cursor = XCreateFontCursor (display, mw->menu.cursor_shape); */ |
1124 | mw->menu.cursor = mw->menu.cursor_shape; | |
1125 | ||
a504c8fa KH |
1126 | mw->menu.gray_pixmap |
1127 | = XCreatePixmapFromBitmapData (display, window, gray_bits, | |
1128 | gray_width, gray_height, | |
1129 | (unsigned long)1, (unsigned long)0, 1); | |
07bf635f | 1130 | |
47d52240 RS |
1131 | /* I don't understand why this ends up 0 sometimes, |
1132 | but it does. This kludge works around it. | |
1133 | Can anyone find a real fix? -- rms. */ | |
1134 | if (mw->menu.font == 0) | |
1135 | mw->menu.font = xlwmenu_default_font; | |
1136 | ||
07bf635f RS |
1137 | make_drawing_gcs (mw); |
1138 | make_shadow_gcs (mw); | |
1139 | ||
1140 | xswa.background_pixel = mw->core.background_pixel; | |
1141 | xswa.border_pixel = mw->core.border_pixel; | |
1142 | mask = CWBackPixel | CWBorderPixel; | |
1143 | ||
1144 | mw->menu.popped_up = False; | |
1145 | ||
1146 | mw->menu.old_depth = 1; | |
1147 | mw->menu.old_stack = (widget_value**)XtMalloc (sizeof (widget_value*)); | |
1148 | mw->menu.old_stack_length = 1; | |
1149 | mw->menu.old_stack [0] = mw->menu.contents; | |
1150 | ||
1151 | mw->menu.new_depth = 0; | |
1152 | mw->menu.new_stack = 0; | |
1153 | mw->menu.new_stack_length = 0; | |
1154 | push_new_stack (mw, mw->menu.contents); | |
1155 | ||
1156 | mw->menu.windows = (window_state*)XtMalloc (sizeof (window_state)); | |
1157 | mw->menu.windows_length = 1; | |
1158 | mw->menu.windows [0].x = 0; | |
1159 | mw->menu.windows [0].y = 0; | |
1160 | mw->menu.windows [0].width = 0; | |
1161 | mw->menu.windows [0].height = 0; | |
1162 | size_menu (mw, 0); | |
1163 | ||
1164 | mw->core.width = mw->menu.windows [0].width; | |
1165 | mw->core.height = mw->menu.windows [0].height; | |
1166 | } | |
1167 | ||
1168 | static void | |
1169 | XlwMenuClassInitialize () | |
1170 | { | |
1171 | } | |
1172 | ||
1173 | static void | |
d398028f PR |
1174 | XlwMenuRealize (w, valueMask, attributes) |
1175 | Widget w; | |
1176 | Mask *valueMask; | |
1177 | XSetWindowAttributes *attributes; | |
07bf635f RS |
1178 | { |
1179 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1180 | XSetWindowAttributes xswa; | |
1181 | int mask; | |
1182 | ||
1183 | (*xlwMenuWidgetClass->core_class.superclass->core_class.realize) | |
1184 | (w, valueMask, attributes); | |
1185 | ||
1186 | xswa.save_under = True; | |
1187 | xswa.cursor = mw->menu.cursor_shape; | |
1188 | mask = CWSaveUnder | CWCursor; | |
1189 | XChangeWindowAttributes (XtDisplay (w), XtWindow (w), mask, &xswa); | |
1190 | ||
1191 | mw->menu.windows [0].window = XtWindow (w); | |
1192 | mw->menu.windows [0].x = w->core.x; | |
1193 | mw->menu.windows [0].y = w->core.y; | |
1194 | mw->menu.windows [0].width = w->core.width; | |
1195 | mw->menu.windows [0].height = w->core.height; | |
1196 | } | |
1197 | ||
1198 | /* Only the toplevel menubar/popup is a widget so it's the only one that | |
1199 | receives expose events through Xt. So we repaint all the other panes | |
1200 | when receiving an Expose event. */ | |
1201 | static void | |
d398028f PR |
1202 | XlwMenuRedisplay (w, ev, region) |
1203 | Widget w; | |
1204 | XEvent* ev; | |
1205 | Region region; | |
07bf635f RS |
1206 | { |
1207 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1208 | int i; | |
1209 | ||
d398028f PR |
1210 | /* If we have a depth beyond 1, it's because a submenu was displayed. |
1211 | If the submenu has been destroyed, set the depth back to 1. */ | |
1212 | if (submenu_destroyed) | |
1213 | { | |
1214 | mw->menu.old_depth = 1; | |
1215 | submenu_destroyed = 0; | |
1216 | } | |
1217 | ||
07bf635f RS |
1218 | for (i = 0; i < mw->menu.old_depth; i++) |
1219 | display_menu (mw, i, False, NULL, NULL, NULL, NULL, NULL); | |
1220 | } | |
1221 | ||
1222 | static void | |
d398028f PR |
1223 | XlwMenuDestroy (w) |
1224 | Widget w; | |
07bf635f RS |
1225 | { |
1226 | int i; | |
1227 | XlwMenuWidget mw = (XlwMenuWidget) w; | |
1228 | ||
d398028f PR |
1229 | if (pointer_grabbed) |
1230 | XtUngrabPointer ((Widget)w, CurrentTime); | |
1231 | pointer_grabbed = 0; | |
1232 | ||
1233 | submenu_destroyed = 1; | |
1234 | ||
07bf635f RS |
1235 | release_drawing_gcs (mw); |
1236 | release_shadow_gcs (mw); | |
1237 | ||
1238 | /* this doesn't come from the resource db but is created explicitly | |
1239 | so we must free it ourselves. */ | |
1240 | XFreePixmap (XtDisplay (mw), mw->menu.gray_pixmap); | |
1241 | mw->menu.gray_pixmap = (Pixmap) -1; | |
1242 | ||
d398028f PR |
1243 | #if 0 |
1244 | /* Do free mw->menu.contents because nowadays we copy it | |
1245 | during initialization. */ | |
1246 | XtFree (mw->menu.contents); | |
1247 | #endif | |
1248 | ||
07bf635f RS |
1249 | /* Don't free mw->menu.contents because that comes from our creator. |
1250 | The `*_stack' elements are just pointers into `contents' so leave | |
1251 | that alone too. But free the stacks themselves. */ | |
1252 | if (mw->menu.old_stack) XtFree ((char *) mw->menu.old_stack); | |
1253 | if (mw->menu.new_stack) XtFree ((char *) mw->menu.new_stack); | |
1254 | ||
1255 | /* Remember, you can't free anything that came from the resource | |
1256 | database. This includes: | |
1257 | mw->menu.cursor | |
1258 | mw->menu.top_shadow_pixmap | |
1259 | mw->menu.bottom_shadow_pixmap | |
1260 | mw->menu.font | |
1261 | Also the color cells of top_shadow_color, bottom_shadow_color, | |
1262 | foreground, and button_foreground will never be freed until this | |
1263 | client exits. Nice, eh? | |
1264 | */ | |
1265 | ||
1266 | /* start from 1 because the one in slot 0 is w->core.window */ | |
1267 | for (i = 1; i < mw->menu.windows_length; i++) | |
1268 | XDestroyWindow (XtDisplay (mw), mw->menu.windows [i].window); | |
1269 | if (mw->menu.windows) | |
1270 | XtFree ((char *) mw->menu.windows); | |
1271 | } | |
1272 | ||
1273 | static Boolean | |
d398028f PR |
1274 | XlwMenuSetValues (current, request, new) |
1275 | Widget current; | |
1276 | Widget request; | |
1277 | Widget new; | |
07bf635f RS |
1278 | { |
1279 | XlwMenuWidget oldmw = (XlwMenuWidget)current; | |
1280 | XlwMenuWidget newmw = (XlwMenuWidget)new; | |
1281 | Boolean redisplay = False; | |
1282 | int i; | |
1283 | ||
1284 | if (newmw->menu.contents | |
1285 | && newmw->menu.contents->contents | |
1286 | && newmw->menu.contents->contents->change >= VISIBLE_CHANGE) | |
1287 | redisplay = True; | |
ba624d0f RS |
1288 | /* Do redisplay if the contents are entirely eliminated. */ |
1289 | if (newmw->menu.contents | |
1290 | && newmw->menu.contents->contents == 0 | |
1291 | && newmw->menu.contents->change >= VISIBLE_CHANGE) | |
1292 | redisplay = True; | |
07bf635f RS |
1293 | |
1294 | if (newmw->core.background_pixel != oldmw->core.background_pixel | |
d398028f PR |
1295 | || newmw->menu.foreground != oldmw->menu.foreground |
1296 | || newmw->menu.font != oldmw->menu.font) | |
07bf635f RS |
1297 | { |
1298 | release_drawing_gcs (newmw); | |
1299 | make_drawing_gcs (newmw); | |
1300 | redisplay = True; | |
1301 | ||
1302 | for (i = 0; i < oldmw->menu.windows_length; i++) | |
1303 | { | |
1304 | XSetWindowBackground (XtDisplay (oldmw), | |
1305 | oldmw->menu.windows [i].window, | |
1306 | newmw->core.background_pixel); | |
1307 | /* clear windows and generate expose events */ | |
1308 | XClearArea (XtDisplay (oldmw), oldmw->menu.windows[i].window, | |
1309 | 0, 0, 0, 0, True); | |
1310 | } | |
1311 | } | |
1312 | ||
1313 | return redisplay; | |
1314 | } | |
1315 | ||
1316 | static void | |
d398028f PR |
1317 | XlwMenuResize (w) |
1318 | Widget w; | |
07bf635f RS |
1319 | { |
1320 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1321 | ||
d398028f PR |
1322 | if (mw->menu.popped_up) |
1323 | { | |
1324 | /* Don't allow the popup menu to resize itself. */ | |
1325 | mw->core.width = mw->menu.windows [0].width; | |
1326 | mw->core.height = mw->menu.windows [0].height; | |
1327 | mw->core.parent->core.width = mw->core.width ; | |
1328 | mw->core.parent->core.height = mw->core.height ; | |
1329 | } | |
1330 | else | |
1331 | { | |
1332 | mw->menu.windows [0].width = mw->core.width; | |
1333 | mw->menu.windows [0].height = mw->core.height; | |
1334 | } | |
07bf635f RS |
1335 | } |
1336 | ||
1337 | \f/* Action procedures */ | |
1338 | static void | |
d398028f PR |
1339 | handle_single_motion_event (mw, ev) |
1340 | XlwMenuWidget mw; | |
1341 | XMotionEvent* ev; | |
07bf635f RS |
1342 | { |
1343 | widget_value* val; | |
1344 | int level; | |
1345 | ||
1346 | if (!map_event_to_widget_value (mw, ev, &val, &level)) | |
1347 | pop_new_stack_if_no_contents (mw); | |
1348 | else | |
1349 | set_new_state (mw, val, level); | |
1350 | remap_menubar (mw); | |
1351 | ||
1352 | /* Sync with the display. Makes it feel better on X terms. */ | |
1353 | XSync (XtDisplay (mw), False); | |
1354 | } | |
1355 | ||
1356 | static void | |
d398028f PR |
1357 | handle_motion_event (mw, ev) |
1358 | XlwMenuWidget mw; | |
1359 | XMotionEvent* ev; | |
07bf635f RS |
1360 | { |
1361 | int x = ev->x_root; | |
1362 | int y = ev->y_root; | |
1363 | int state = ev->state; | |
1364 | ||
1365 | handle_single_motion_event (mw, ev); | |
1366 | ||
1367 | /* allow motion events to be generated again */ | |
1368 | if (ev->is_hint | |
1369 | && XQueryPointer (XtDisplay (mw), ev->window, | |
1370 | &ev->root, &ev->subwindow, | |
1371 | &ev->x_root, &ev->y_root, | |
1372 | &ev->x, &ev->y, | |
1373 | &ev->state) | |
1374 | && ev->state == state | |
1375 | && (ev->x_root != x || ev->y_root != y)) | |
1376 | handle_single_motion_event (mw, ev); | |
1377 | } | |
1378 | ||
1379 | static void | |
d398028f PR |
1380 | Start (w, ev, params, num_params) |
1381 | Widget w; | |
1382 | XEvent *ev; | |
1383 | String *params; | |
1384 | Cardinal *num_params; | |
07bf635f RS |
1385 | { |
1386 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1387 | ||
d398028f PR |
1388 | if (!mw->menu.popped_up) |
1389 | { | |
1390 | menu_post_event = *ev; | |
4cc76151 | 1391 | pop_up_menu (mw, ev); |
d398028f PR |
1392 | } |
1393 | else | |
4cc76151 PR |
1394 | { |
1395 | /* If we push a button while the menu is posted semipermanently, | |
1396 | releasing the button should always pop the menu down. */ | |
1397 | next_release_must_exit = 1; | |
d398028f | 1398 | |
4cc76151 PR |
1399 | /* notes the absolute position of the menubar window */ |
1400 | mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x; | |
1401 | mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y; | |
07bf635f | 1402 | |
4cc76151 PR |
1403 | /* handles the down like a move, slots are compatible */ |
1404 | handle_motion_event (mw, &ev->xmotion); | |
1405 | } | |
07bf635f RS |
1406 | } |
1407 | ||
1408 | static void | |
d398028f PR |
1409 | Drag (w, ev, params, num_params) |
1410 | Widget w; | |
1411 | XEvent *ev; | |
1412 | String *params; | |
1413 | Cardinal *num_params; | |
07bf635f RS |
1414 | { |
1415 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
3c9ce1c4 KH |
1416 | if (mw->menu.popped_up) |
1417 | handle_motion_event (mw, &ev->xmotion); | |
07bf635f RS |
1418 | } |
1419 | ||
ba624d0f RS |
1420 | /* Do nothing. |
1421 | This is how we handle presses and releases of modifier keys. */ | |
1422 | static void | |
1423 | Nothing (w, ev, params, num_params) | |
1424 | Widget w; | |
1425 | XEvent *ev; | |
1426 | String *params; | |
1427 | Cardinal *num_params; | |
1428 | { | |
1429 | } | |
1430 | ||
1431 | /* Handle key press and release events while menu is popped up. | |
1432 | Our action is to get rid of the menu. */ | |
1433 | static void | |
1434 | Key (w, ev, params, num_params) | |
1435 | Widget w; | |
1436 | XEvent *ev; | |
1437 | String *params; | |
1438 | Cardinal *num_params; | |
1439 | { | |
1440 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1441 | ||
1442 | /* Pop down everything. */ | |
1443 | mw->menu.new_depth = 1; | |
1444 | remap_menubar (mw); | |
1445 | ||
1446 | if (mw->menu.popped_up) | |
1447 | { | |
1448 | mw->menu.popped_up = False; | |
1449 | XtUngrabPointer ((Widget)mw, ev->xmotion.time); | |
1450 | if (XtIsShell (XtParent ((Widget) mw))) | |
1451 | XtPopdown (XtParent ((Widget) mw)); | |
1452 | else | |
1453 | { | |
1454 | XtRemoveGrab ((Widget) mw); | |
1455 | display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); | |
1456 | } | |
1457 | } | |
1458 | ||
1459 | /* callback */ | |
1460 | XtCallCallbackList ((Widget)mw, mw->menu.select, (XtPointer)0); | |
1461 | } | |
1462 | ||
1463 | static void | |
d398028f PR |
1464 | Select (w, ev, params, num_params) |
1465 | Widget w; | |
1466 | XEvent *ev; | |
1467 | String *params; | |
1468 | Cardinal *num_params; | |
07bf635f RS |
1469 | { |
1470 | XlwMenuWidget mw = (XlwMenuWidget)w; | |
1471 | widget_value* selected_item = mw->menu.old_stack [mw->menu.old_depth - 1]; | |
1472 | ||
d398028f PR |
1473 | /* If user releases the button quickly, without selecting anything, |
1474 | after the initial down-click that brought the menu up, | |
1475 | do nothing. */ | |
1476 | if ((selected_item == 0 | |
1477 | || ((widget_value *) selected_item)->call_data == 0) | |
1478 | && !next_release_must_exit | |
1479 | && (ev->xbutton.time - menu_post_event.xbutton.time | |
1480 | < XtGetMultiClickTime (XtDisplay (w)))) | |
1481 | return; | |
1482 | ||
1483 | /* pop down everything. */ | |
07bf635f RS |
1484 | mw->menu.new_depth = 1; |
1485 | remap_menubar (mw); | |
1486 | ||
1487 | if (mw->menu.popped_up) | |
1488 | { | |
1489 | mw->menu.popped_up = False; | |
1490 | XtUngrabPointer ((Widget)mw, ev->xmotion.time); | |
2289f3f4 PR |
1491 | if (XtIsShell (XtParent ((Widget) mw))) |
1492 | XtPopdown (XtParent ((Widget) mw)); | |
4cc76151 PR |
1493 | else |
1494 | { | |
1495 | XtRemoveGrab ((Widget) mw); | |
1496 | display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); | |
1497 | } | |
07bf635f RS |
1498 | } |
1499 | ||
1500 | /* callback */ | |
1501 | XtCallCallbackList ((Widget)mw, mw->menu.select, (XtPointer)selected_item); | |
07bf635f RS |
1502 | } |
1503 | ||
1504 | ||
1505 | \f/* Special code to pop-up a menu */ | |
1506 | void | |
d398028f PR |
1507 | pop_up_menu (mw, event) |
1508 | XlwMenuWidget mw; | |
1509 | XButtonPressedEvent* event; | |
07bf635f RS |
1510 | { |
1511 | int x = event->x_root; | |
1512 | int y = event->y_root; | |
1513 | int w; | |
1514 | int h; | |
1515 | int borderwidth = mw->menu.shadow_thickness; | |
1516 | Screen* screen = XtScreen (mw); | |
8400b9ed | 1517 | Display *display = XtDisplay (mw); |
07bf635f | 1518 | |
d398028f PR |
1519 | next_release_must_exit = 0; |
1520 | ||
07bf635f RS |
1521 | XtCallCallbackList ((Widget)mw, mw->menu.open, NULL); |
1522 | ||
2289f3f4 | 1523 | if (XtIsShell (XtParent ((Widget)mw))) |
4cc76151 | 1524 | size_menu (mw, 0); |
07bf635f RS |
1525 | |
1526 | w = mw->menu.windows [0].width; | |
1527 | h = mw->menu.windows [0].height; | |
1528 | ||
1529 | x -= borderwidth; | |
1530 | y -= borderwidth; | |
1531 | if (x < borderwidth) | |
1532 | x = borderwidth; | |
1533 | if (x + w + 2 * borderwidth > WidthOfScreen (screen)) | |
1534 | x = WidthOfScreen (screen) - w - 2 * borderwidth; | |
1535 | if (y < borderwidth) | |
1536 | y = borderwidth; | |
1537 | if (y + h + 2 * borderwidth> HeightOfScreen (screen)) | |
1538 | y = HeightOfScreen (screen) - h - 2 * borderwidth; | |
1539 | ||
1540 | mw->menu.popped_up = True; | |
2289f3f4 | 1541 | if (XtIsShell (XtParent ((Widget)mw))) |
4cc76151 | 1542 | { |
2289f3f4 PR |
1543 | XtConfigureWidget (XtParent ((Widget)mw), x, y, w, h, |
1544 | XtParent ((Widget)mw)->core.border_width); | |
1545 | XtPopup (XtParent ((Widget)mw), XtGrabExclusive); | |
4cc76151 PR |
1546 | display_menu (mw, 0, False, NULL, NULL, NULL, NULL, NULL); |
1547 | mw->menu.windows [0].x = x + borderwidth; | |
1548 | mw->menu.windows [0].y = y + borderwidth; | |
1549 | } | |
1550 | else | |
1551 | { | |
1552 | XEvent *ev = (XEvent *) event; | |
1553 | ||
87a559bf | 1554 | XtAddGrab ((Widget) mw, True, True); |
4cc76151 PR |
1555 | |
1556 | /* notes the absolute position of the menubar window */ | |
1557 | mw->menu.windows [0].x = ev->xmotion.x_root - ev->xmotion.x; | |
1558 | mw->menu.windows [0].y = ev->xmotion.y_root - ev->xmotion.y; | |
1559 | } | |
1560 | ||
d398028f | 1561 | #ifdef emacs |
8400b9ed | 1562 | x_catch_errors (display); |
d398028f | 1563 | #endif |
87a559bf PR |
1564 | XtGrabPointer ((Widget)mw, False, |
1565 | (PointerMotionMask | |
1566 | | PointerMotionHintMask | |
1567 | | ButtonReleaseMask | |
1568 | | ButtonPressMask), | |
1569 | GrabModeAsync, GrabModeAsync, None, | |
1570 | mw->menu.cursor_shape, | |
1571 | event->time); | |
1572 | pointer_grabbed = 1; | |
d398028f | 1573 | #ifdef emacs |
8400b9ed | 1574 | if (x_had_errors_p (display)) |
d398028f PR |
1575 | { |
1576 | pointer_grabbed = 0; | |
1577 | XtUngrabPointer ((Widget)mw, event->time); | |
1578 | } | |
8400b9ed | 1579 | x_uncatch_errors (display); |
d398028f | 1580 | #endif |
07bf635f | 1581 | |
07bf635f RS |
1582 | handle_motion_event (mw, (XMotionEvent*)event); |
1583 | } |