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Improve dockapp recognition
[wmaker-crm.git] / src / menu.c
blob97a1f39f1afbcb98f83b91fb07cc51b6f550717f
1 /* menu.c- generic menu, used for root menu, application menus etc.
2 *
3 * Window Maker window manager
4 *
5 * Copyright (c) 1997-2003 Alfredo K. Kojima
6 * Copyright (c) 1998-2003 Dan Pascu
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
21 * USA.
22 */
23
24 #include "wconfig.h"
25
26 #include <X11/Xlib.h>
27 #include <X11/Xutil.h>
28 #include <X11/keysym.h>
29 #include <stdlib.h>
30 #include <string.h>
31 #include <stdio.h>
32 #include <stdint.h>
33 #include <unistd.h>
34 #include <ctype.h>
35
36 #include "WindowMaker.h"
37 #include "wcore.h"
38 #include "framewin.h"
39 #include "menu.h"
40 #include "actions.h"
41 #include "funcs.h"
42 #include "stacking.h"
43 #include "text.h"
44 #include "xinerama.h"
45 #include "workspace.h"
46
47 /****** Global Variables ******/
48
49 extern Cursor wCursor[WCUR_LAST];
50
51 extern XContext wWinContext;
52
53 extern WPreferences wPreferences;
54
55 #define MOD_MASK wPreferences.modifier_mask
56
57 #define MENU_SCROLL_STEP menuScrollParameters[(int)wPreferences.menu_scroll_speed].steps
58 #define MENU_SCROLL_DELAY menuScrollParameters[(int)wPreferences.menu_scroll_speed].delay
59
60 #define MENUW(m) ((m)->frame->core->width+2*FRAME_BORDER_WIDTH)
61 #define MENUH(m) ((m)->frame->core->height+2*FRAME_BORDER_WIDTH)
62
63 /***** Local Stuff ******/
64
65 #define WSS_ROOTMENU (1<<0)
66 #define WSS_SWITCHMENU (1<<1)
67 #define WSS_WSMENU (1<<2)
68
69 static struct {
70 int steps;
71 int delay;
72 } menuScrollParameters[5] = {
73 {
74 MENU_SCROLL_STEPS_UF, MENU_SCROLL_DELAY_UF}, {
75 MENU_SCROLL_STEPS_F, MENU_SCROLL_DELAY_F}, {
76 MENU_SCROLL_STEPS_M, MENU_SCROLL_DELAY_M}, {
77 MENU_SCROLL_STEPS_S, MENU_SCROLL_DELAY_S}, {
78 MENU_SCROLL_STEPS_US, MENU_SCROLL_DELAY_US}};
79
80 static void menuMouseDown(WObjDescriptor * desc, XEvent * event);
81 static void menuExpose(WObjDescriptor * desc, XEvent * event);
82 static void menuTitleDoubleClick(WCoreWindow * sender, void *data, XEvent * event);
83 static void menuTitleMouseDown(WCoreWindow * sender, void *data, XEvent * event);
84 static void menuCloseClick(WCoreWindow * sender, void *data, XEvent * event);
85 static void updateTexture(WMenu * menu);
86 static int saveMenuRecurs(WMPropList * menus, WScreen * scr, WMenu * menu);
87 static int restoreMenuRecurs(WScreen * scr, WMPropList * menus, WMenu * menu, char *path);
88 static void selectEntry(WMenu * menu, int entry_no);
89 static void closeCascade(WMenu * menu);
90
91 /****** Notification Observers ******/
92
93 static void appearanceObserver(void *self, WMNotification * notif)
94 {
95 WMenu *menu = (WMenu *) self;
96 uintptr_t flags = (uintptr_t)WMGetNotificationClientData(notif);
97
98 if (!menu->flags.realized)
99 return;
100
101 if (WMGetNotificationName(notif) == WNMenuAppearanceSettingsChanged) {
102 if (flags & WFontSettings) {
103 menu->flags.realized = 0;
104 wMenuRealize(menu);
105 }
106 if (flags & WTextureSettings) {
107 if (!menu->flags.brother)
108 updateTexture(menu);
109 }
110 if (flags & (WTextureSettings | WColorSettings)) {
111 wMenuPaint(menu);
112 }
113 } else if (menu->flags.titled) {
114
115 if (flags & WFontSettings) {
116 menu->flags.realized = 0;
117 wMenuRealize(menu);
118 }
119 if (flags & WTextureSettings) {
120 menu->frame->flags.need_texture_remake = 1;
121 }
122 if (flags & (WColorSettings | WTextureSettings)) {
123 wFrameWindowPaint(menu->frame);
124 }
125 }
126 }
127
128 /************************************/
129
130 /*
131 *----------------------------------------------------------------------
132 * wMenuCreate--
133 * Creates a new empty menu with the specified title. If main_menu
134 * is True, the created menu will be a main menu, which has some special
135 * properties such as being placed over other normal menus.
136 * If title is NULL, the menu will have no titlebar.
137 *
138 * Returns:
139 * The created menu.
140 *----------------------------------------------------------------------
141 */
142 WMenu *wMenuCreate(WScreen * screen, char *title, int main_menu)
143 {
144 WMenu *menu;
145 static int brother = 0;
146 int tmp, flags;
147
148 menu = wmalloc(sizeof(WMenu));
149
150 memset(menu, 0, sizeof(WMenu));
151
152 #ifdef SINGLE_MENULEVEL
153 tmp = WMSubmenuLevel;
154 #else
155 tmp = (main_menu ? WMMainMenuLevel : WMSubmenuLevel);
156 #endif
157
158 flags = WFF_SINGLE_STATE | WFF_BORDER;
159 if (title) {
160 flags |= WFF_TITLEBAR | WFF_RIGHT_BUTTON;
161 menu->flags.titled = 1;
162 }
163 menu->frame =
164 wFrameWindowCreate(screen, tmp, 8, 2, 1, 1, &wPreferences.menu_title_clearance, flags,
165 screen->menu_title_texture, NULL,
166 screen->menu_title_color, &screen->menu_title_font);
167
168 menu->frame->core->descriptor.parent = menu;
169 menu->frame->core->descriptor.parent_type = WCLASS_MENU;
170 menu->frame->core->descriptor.handle_mousedown = menuMouseDown;
171
172 wFrameWindowHideButton(menu->frame, WFF_RIGHT_BUTTON);
173
174 if (title) {
175 menu->frame->title = wstrdup(title);
176 }
177
178 menu->frame->flags.justification = WTJ_LEFT;
179
180 menu->frame->rbutton_image = screen->b_pixmaps[WBUT_CLOSE];
181
182 menu->entry_no = 0;
183 menu->alloced_entries = 0;
184 menu->selected_entry = -1;
185 menu->entries = NULL;
186
187 menu->frame_x = screen->app_menu_x;
188 menu->frame_y = screen->app_menu_y;
189
190 menu->frame->child = menu;
191
192 menu->flags.lowered = 0;
193
194 /* create borders */
195 if (title) {
196 /* setup object descriptors */
197 menu->frame->on_mousedown_titlebar = menuTitleMouseDown;
198 menu->frame->on_dblclick_titlebar = menuTitleDoubleClick;
199 }
200
201 menu->frame->on_click_right = menuCloseClick;
202
203 menu->menu = wCoreCreate(menu->frame->core, 0, menu->frame->top_width, menu->frame->core->width, 10);
204
205 menu->menu->descriptor.parent = menu;
206 menu->menu->descriptor.parent_type = WCLASS_MENU;
207 menu->menu->descriptor.handle_expose = menuExpose;
208 menu->menu->descriptor.handle_mousedown = menuMouseDown;
209
210 menu->menu_texture_data = None;
211
212 XMapWindow(dpy, menu->menu->window);
213
214 XFlush(dpy);
215
216 if (!brother) {
217 brother = 1;
218 menu->brother = wMenuCreate(screen, title, main_menu);
219 brother = 0;
220 menu->brother->flags.brother = 1;
221 menu->brother->brother = menu;
222 }
223 WMAddNotificationObserver(appearanceObserver, menu, WNMenuAppearanceSettingsChanged, menu);
224
225 WMAddNotificationObserver(appearanceObserver, menu, WNMenuTitleAppearanceSettingsChanged, menu);
226
227 return menu;
228 }
229
230 WMenu *wMenuCreateForApp(WScreen * screen, char *title, int main_menu)
231 {
232 WMenu *menu;
233
234 menu = wMenuCreate(screen, title, main_menu);
235 if (!menu)
236 return NULL;
237 menu->flags.app_menu = 1;
238 menu->brother->flags.app_menu = 1;
239
240 return menu;
241 }
242
243 static void insertEntry(WMenu * menu, WMenuEntry * entry, int index)
244 {
245 int i;
246
247 for (i = menu->entry_no - 1; i >= index; i--) {
248 menu->entries[i]->order++;
249 menu->entries[i + 1] = menu->entries[i];
250 }
251 menu->entries[index] = entry;
252 }
253
254 WMenuEntry *wMenuInsertCallback(WMenu * menu, int index, char *text,
255 void (*callback) (WMenu * menu, WMenuEntry * entry), void *clientdata)
256 {
257 WMenuEntry *entry;
258
259 menu->flags.realized = 0;
260 menu->brother->flags.realized = 0;
261
262 /* reallocate array if it's too small */
263 if (menu->entry_no >= menu->alloced_entries) {
264 void *tmp;
265
266 tmp = wrealloc(menu->entries, sizeof(WMenuEntry) * (menu->alloced_entries + 5));
267
268 menu->entries = tmp;
269 menu->alloced_entries += 5;
270
271 menu->brother->entries = tmp;
272 menu->brother->alloced_entries = menu->alloced_entries;
273 }
274 entry = wmalloc(sizeof(WMenuEntry));
275 memset(entry, 0, sizeof(WMenuEntry));
276 entry->flags.enabled = 1;
277 entry->text = wstrdup(text);
278 entry->cascade = -1;
279 entry->clientdata = clientdata;
280 entry->callback = callback;
281 if (index < 0 || index >= menu->entry_no) {
282 entry->order = menu->entry_no;
283 menu->entries[menu->entry_no] = entry;
284 } else {
285 entry->order = index;
286 insertEntry(menu, entry, index);
287 }
288
289 menu->entry_no++;
290 menu->brother->entry_no = menu->entry_no;
291
292 return entry;
293 }
294
295 void wMenuEntrySetCascade(WMenu * menu, WMenuEntry * entry, WMenu * cascade)
296 {
297 WMenu *brother = menu->brother;
298 int i, done;
299
300 assert(menu->flags.brother == 0);
301
302 if (entry->cascade >= 0) {
303 menu->flags.realized = 0;
304 brother->flags.realized = 0;
305 }
306
307 cascade->parent = menu;
308
309 cascade->brother->parent = brother;
310
311 done = 0;
312 for (i = 0; i < menu->cascade_no; i++) {
313 if (menu->cascades[i] == NULL) {
314 menu->cascades[i] = cascade;
315 brother->cascades[i] = cascade->brother;
316 done = 1;
317 entry->cascade = i;
318 break;
319 }
320 }
321 if (!done) {
322 entry->cascade = menu->cascade_no;
323
324 menu->cascades = wrealloc(menu->cascades, sizeof(WMenu) * (menu->cascade_no + 1));
325 menu->cascades[menu->cascade_no++] = cascade;
326
327 brother->cascades = wrealloc(brother->cascades, sizeof(WMenu) * (brother->cascade_no + 1));
328 brother->cascades[brother->cascade_no++] = cascade->brother;
329 }
330
331 if (menu->flags.lowered) {
332
333 cascade->flags.lowered = 1;
334 ChangeStackingLevel(cascade->frame->core, WMNormalLevel);
335
336 cascade->brother->flags.lowered = 1;
337 ChangeStackingLevel(cascade->brother->frame->core, WMNormalLevel);
338 }
339
340 if (!menu->flags.realized)
341 wMenuRealize(menu);
342 }
343
344 void wMenuEntryRemoveCascade(WMenu * menu, WMenuEntry * entry)
345 {
346 assert(menu->flags.brother == 0);
347
348 /* destroy cascade menu */
349 if (entry->cascade >= 0 && menu->cascades && menu->cascades[entry->cascade] != NULL) {
350
351 wMenuDestroy(menu->cascades[entry->cascade], True);
352
353 menu->cascades[entry->cascade] = NULL;
354 menu->brother->cascades[entry->cascade] = NULL;
355
356 entry->cascade = -1;
357 }
358 }
359
360 void wMenuRemoveItem(WMenu * menu, int index)
361 {
362 int i;
363
364 if (menu->flags.brother) {
365 wMenuRemoveItem(menu->brother, index);
366 return;
367 }
368
369 if (index >= menu->entry_no)
370 return;
371
372 /* destroy cascade menu */
373 wMenuEntryRemoveCascade(menu, menu->entries[index]);
374
375 /* destroy unshared data */
376
377 if (menu->entries[index]->text)
378 wfree(menu->entries[index]->text);
379
380 if (menu->entries[index]->rtext)
381 wfree(menu->entries[index]->rtext);
382
383 if (menu->entries[index]->free_cdata && menu->entries[index]->clientdata)
384 (*menu->entries[index]->free_cdata) (menu->entries[index]->clientdata);
385
386 wfree(menu->entries[index]);
387
388 for (i = index; i < menu->entry_no - 1; i++) {
389 menu->entries[i + 1]->order--;
390 menu->entries[i] = menu->entries[i + 1];
391 }
392 menu->entry_no--;
393 menu->brother->entry_no--;
394 }
395
396 static Pixmap renderTexture(WMenu * menu)
397 {
398 RImage *img;
399 Pixmap pix;
400 int i;
401 RColor light;
402 RColor dark;
403 RColor mid;
404 WScreen *scr = menu->menu->screen_ptr;
405 WTexture *texture = scr->menu_item_texture;
406
407 if (wPreferences.menu_style == MS_NORMAL) {
408 img = wTextureRenderImage(texture, menu->menu->width, menu->entry_height, WREL_MENUENTRY);
409 } else {
410 img = wTextureRenderImage(texture, menu->menu->width, menu->menu->height + 1, WREL_MENUENTRY);
411 }
412 if (!img) {
413 wwarning(_("could not render texture: %s"), RMessageForError(RErrorCode));
414
415 return None;
416 }
417
418 if (wPreferences.menu_style == MS_SINGLE_TEXTURE) {
419 light.alpha = 0;
420 light.red = light.green = light.blue = 80;
421
422 dark.alpha = 255;
423 dark.red = dark.green = dark.blue = 0;
424
425 mid.alpha = 0;
426 mid.red = mid.green = mid.blue = 40;
427
428 for (i = 1; i < menu->entry_no; i++) {
429 ROperateLine(img, RSubtractOperation, 0, i * menu->entry_height - 2,
430 menu->menu->width - 1, i * menu->entry_height - 2, &mid);
431
432 RDrawLine(img, 0, i * menu->entry_height - 1,
433 menu->menu->width - 1, i * menu->entry_height - 1, &dark);
434
435 ROperateLine(img, RAddOperation, 0, i * menu->entry_height,
436 menu->menu->width - 1, i * menu->entry_height, &light);
437 }
438 }
439 if (!RConvertImage(scr->rcontext, img, &pix)) {
440 wwarning(_("error rendering image:%s"), RMessageForError(RErrorCode));
441 }
442 RReleaseImage(img);
443
444 return pix;
445 }
446
447 static void updateTexture(WMenu * menu)
448 {
449 WScreen *scr = menu->menu->screen_ptr;
450
451 /* setup background texture */
452 if (scr->menu_item_texture->any.type != WTEX_SOLID) {
453 if (!menu->flags.brother) {
454 FREE_PIXMAP(menu->menu_texture_data);
455
456 menu->menu_texture_data = renderTexture(menu);
457
458 XSetWindowBackgroundPixmap(dpy, menu->menu->window, menu->menu_texture_data);
459 XClearWindow(dpy, menu->menu->window);
460
461 XSetWindowBackgroundPixmap(dpy, menu->brother->menu->window, menu->menu_texture_data);
462 XClearWindow(dpy, menu->brother->menu->window);
463 }
464 } else {
465 XSetWindowBackground(dpy, menu->menu->window, scr->menu_item_texture->any.color.pixel);
466 XClearWindow(dpy, menu->menu->window);
467 }
468 }
469
470 void wMenuRealize(WMenu * menu)
471 {
472 int i;
473 int width, rwidth, mrwidth, mwidth;
474 int theight, twidth, eheight;
475 WScreen *scr = menu->frame->screen_ptr;
476 static int brother_done = 0;
477 int flags;
478
479 if (!brother_done) {
480 brother_done = 1;
481 wMenuRealize(menu->brother);
482 brother_done = 0;
483 }
484
485 flags = WFF_SINGLE_STATE | WFF_BORDER;
486 if (menu->flags.titled)
487 flags |= WFF_TITLEBAR | WFF_RIGHT_BUTTON;
488
489 wFrameWindowUpdateBorders(menu->frame, flags);
490
491 if (menu->flags.titled) {
492 twidth = WMWidthOfString(scr->menu_title_font, menu->frame->title, strlen(menu->frame->title));
493 theight = menu->frame->top_width;
494 twidth += theight + (wPreferences.new_style == TS_NEW ? 16 : 8);
495 } else {
496 twidth = 0;
497 theight = 0;
498 }
499 eheight = WMFontHeight(scr->menu_entry_font) + 6 + wPreferences.menu_text_clearance * 2;
500 menu->entry_height = eheight;
501 mrwidth = 0;
502 mwidth = 0;
503 for (i = 0; i < menu->entry_no; i++) {
504 char *text;
505
506 /* search widest text */
507 text = menu->entries[i]->text;
508 width = WMWidthOfString(scr->menu_entry_font, text, strlen(text)) + 10;
509
510 if (menu->entries[i]->flags.indicator) {
511 width += MENU_INDICATOR_SPACE;
512 }
513
514 if (width > mwidth)
515 mwidth = width;
516
517 /* search widest text on right */
518 text = menu->entries[i]->rtext;
519 if (text)
520 rwidth = WMWidthOfString(scr->menu_entry_font, text, strlen(text))
521 + 10;
522 else if (menu->entries[i]->cascade >= 0)
523 rwidth = 16;
524 else
525 rwidth = 4;
526
527 if (rwidth > mrwidth)
528 mrwidth = rwidth;
529 }
530 mwidth += mrwidth;
531
532 if (mwidth < twidth)
533 mwidth = twidth;
534
535 wCoreConfigure(menu->menu, 0, theight, mwidth, menu->entry_no * eheight - 1);
536
537 wFrameWindowResize(menu->frame, mwidth, menu->entry_no * eheight - 1
538 + menu->frame->top_width + menu->frame->bottom_width);
539
540 updateTexture(menu);
541
542 menu->flags.realized = 1;
543
544 if (menu->flags.mapped)
545 wMenuPaint(menu);
546 if (menu->brother->flags.mapped)
547 wMenuPaint(menu->brother);
548 }
549
550 void wMenuDestroy(WMenu * menu, int recurse)
551 {
552 int i;
553
554 WMRemoveNotificationObserver(menu);
555
556 /* remove any pending timers */
557 if (menu->timer)
558 WMDeleteTimerHandler(menu->timer);
559 menu->timer = NULL;
560
561 /* call destroy handler */
562 if (menu->on_destroy)
563 (*menu->on_destroy) (menu);
564
565 /* Destroy items if this menu own them. If this is the "brother" menu,
566 * leave them alone as it is shared by them.
567 */
568 if (!menu->flags.brother) {
569 for (i = 0; i < menu->entry_no; i++) {
570
571 wfree(menu->entries[i]->text);
572
573 if (menu->entries[i]->rtext)
574 wfree(menu->entries[i]->rtext);
575 #ifdef USER_MENU
576
577 if (menu->entries[i]->instances) {
578 WMReleasePropList(menu->entries[i]->instances);
579 }
580 #endif /* USER_MENU */
581
582 if (menu->entries[i]->free_cdata && menu->entries[i]->clientdata) {
583 (*menu->entries[i]->free_cdata) (menu->entries[i]->clientdata);
584 }
585 wfree(menu->entries[i]);
586 }
587
588 if (recurse) {
589 for (i = 0; i < menu->cascade_no; i++) {
590 if (menu->cascades[i]) {
591 if (menu->cascades[i]->flags.brother)
592 wMenuDestroy(menu->cascades[i]->brother, recurse);
593 else
594 wMenuDestroy(menu->cascades[i], recurse);
595 }
596 }
597 }
598
599 if (menu->entries)
600 wfree(menu->entries);
601
602 }
603
604 FREE_PIXMAP(menu->menu_texture_data);
605
606 if (menu->cascades)
607 wfree(menu->cascades);
608
609 wCoreDestroy(menu->menu);
610 wFrameWindowDestroy(menu->frame);
611
612 /* destroy copy of this menu */
613 if (!menu->flags.brother && menu->brother)
614 wMenuDestroy(menu->brother, False);
615
616 wfree(menu);
617 }
618
619 #define F_NORMAL 0
620 #define F_TOP 1
621 #define F_BOTTOM 2
622 #define F_NONE 3
623
624 static void drawFrame(WScreen * scr, Drawable win, int y, int w, int h, int type)
625 {
626 XSegment segs[2];
627 int i;
628
629 i = 0;
630 segs[i].x1 = segs[i].x2 = w - 1;
631 segs[i].y1 = y;
632 segs[i].y2 = y + h - 1;
633 i++;
634 if (type != F_TOP && type != F_NONE) {
635 segs[i].x1 = 1;
636 segs[i].y1 = segs[i].y2 = y + h - 2;
637 segs[i].x2 = w - 1;
638 i++;
639 }
640 XDrawSegments(dpy, win, scr->menu_item_auxtexture->dim_gc, segs, i);
641
642 i = 0;
643 segs[i].x1 = 0;
644 segs[i].y1 = y;
645 segs[i].x2 = 0;
646 segs[i].y2 = y + h - 1;
647 i++;
648 if (type != F_BOTTOM && type != F_NONE) {
649 segs[i].x1 = 0;
650 segs[i].y1 = y;
651 segs[i].x2 = w - 1;
652 segs[i].y2 = y;
653 i++;
654 }
655 XDrawSegments(dpy, win, scr->menu_item_auxtexture->light_gc, segs, i);
656
657 if (type != F_TOP && type != F_NONE)
658 XDrawLine(dpy, win, scr->menu_item_auxtexture->dark_gc, 0, y + h - 1, w - 1, y + h - 1);
659 }
660
661 static void paintEntry(WMenu * menu, int index, int selected)
662 {
663 WScreen *scr = menu->frame->screen_ptr;
664 Window win = menu->menu->window;
665 WMenuEntry *entry = menu->entries[index];
666 GC light, dim, dark;
667 WMColor *color;
668 int x, y, w, h, tw;
669 int type;
670
671 if (!menu->flags.realized)
672 return;
673 h = menu->entry_height;
674 w = menu->menu->width;
675 y = index * h;
676
677 light = scr->menu_item_auxtexture->light_gc;
678 dim = scr->menu_item_auxtexture->dim_gc;
679 dark = scr->menu_item_auxtexture->dark_gc;
680
681 if (wPreferences.menu_style == MS_FLAT && menu->entry_no > 1) {
682 if (index == 0)
683 type = F_TOP;
684 else if (index == menu->entry_no - 1)
685 type = F_BOTTOM;
686 else
687 type = F_NONE;
688 } else {
689 type = F_NORMAL;
690 }
691
692 /* paint background */
693 if (selected) {
694 XFillRectangle(dpy, win, WMColorGC(scr->select_color), 1, y + 1, w - 2, h - 3);
695 if (scr->menu_item_texture->any.type == WTEX_SOLID)
696 drawFrame(scr, win, y, w, h, type);
697 } else {
698 if (scr->menu_item_texture->any.type == WTEX_SOLID) {
699 XClearArea(dpy, win, 0, y + 1, w - 1, h - 3, False);
700 /* draw the frame */
701 drawFrame(scr, win, y, w, h, type);
702 } else {
703 XClearArea(dpy, win, 0, y, w, h, False);
704 }
705 }
706
707 if (selected) {
708 if (entry->flags.enabled)
709 color = scr->select_text_color;
710 else
711 color = scr->dtext_color;
712 } else if (!entry->flags.enabled) {
713 color = scr->dtext_color;
714 } else {
715 color = scr->mtext_color;
716 }
717 /* draw text */
718 x = 5;
719 if (entry->flags.indicator)
720 x += MENU_INDICATOR_SPACE + 2;
721
722 WMDrawString(scr->wmscreen, win, color, scr->menu_entry_font,
723 x, 3 + y + wPreferences.menu_text_clearance, entry->text, strlen(entry->text));
724
725 if (entry->cascade >= 0) {
726 /* draw the cascade indicator */
727 XDrawLine(dpy, win, dim, w - 11, y + 6, w - 6, y + h / 2 - 1);
728 XDrawLine(dpy, win, light, w - 11, y + h - 8, w - 6, y + h / 2 - 1);
729 XDrawLine(dpy, win, dark, w - 12, y + 6, w - 12, y + h - 8);
730 }
731
732 /* draw indicator */
733 if (entry->flags.indicator && entry->flags.indicator_on) {
734 int iw, ih;
735 WPixmap *indicator;
736
737 switch (entry->flags.indicator_type) {
738 case MI_CHECK:
739 indicator = scr->menu_check_indicator;
740 break;
741 case MI_MINIWINDOW:
742 indicator = scr->menu_mini_indicator;
743 break;
744 case MI_HIDDEN:
745 indicator = scr->menu_hide_indicator;
746 break;
747 case MI_SHADED:
748 indicator = scr->menu_shade_indicator;
749 break;
750 case MI_DIAMOND:
751 default:
752 indicator = scr->menu_radio_indicator;
753 break;
754 }
755
756 iw = indicator->width;
757 ih = indicator->height;
758 XSetClipMask(dpy, scr->copy_gc, indicator->mask);
759 XSetClipOrigin(dpy, scr->copy_gc, 5, y + (h - ih) / 2);
760 if (selected) {
761 if (entry->flags.enabled) {
762 XSetForeground(dpy, scr->copy_gc, WMColorPixel(scr->select_text_color));
763 } else {
764 XSetForeground(dpy, scr->copy_gc, WMColorPixel(scr->dtext_color));
765 }
766 } else {
767 if (entry->flags.enabled) {
768 XSetForeground(dpy, scr->copy_gc, WMColorPixel(scr->mtext_color));
769 } else {
770 XSetForeground(dpy, scr->copy_gc, WMColorPixel(scr->dtext_color));
771 }
772 }
773 XFillRectangle(dpy, win, scr->copy_gc, 5, y + (h - ih) / 2, iw, ih);
774 /*
775 XCopyArea(dpy, indicator->image, win, scr->copy_gc, 0, 0,
776 iw, ih, 5, y+(h-ih)/2);
777 */
778 XSetClipOrigin(dpy, scr->copy_gc, 0, 0);
779 }
780
781 /* draw right text */
782
783 if (entry->rtext && entry->cascade < 0) {
784 tw = WMWidthOfString(scr->menu_entry_font, entry->rtext, strlen(entry->rtext));
785
786 WMDrawString(scr->wmscreen, win, color, scr->menu_entry_font, w - 6 - tw,
787 y + 3 + wPreferences.menu_text_clearance, entry->rtext, strlen(entry->rtext));
788 }
789 }
790
791 static void move_menus(WMenu * menu, int x, int y)
792 {
793 while (menu->parent) {
794 menu = menu->parent;
795 x -= MENUW(menu);
796 if (!wPreferences.align_menus && menu->selected_entry >= 0) {
797 y -= menu->selected_entry * menu->entry_height;
798 }
799 }
800 wMenuMove(menu, x, y, True);
801 }
802
803 static void makeVisible(WMenu * menu)
804 {
805 WScreen *scr = menu->frame->screen_ptr;
806 int x1, y1, x2, y2, new_x, new_y, move;
807 WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
808
809 if (menu->entry_no < 0)
810 return;
811
812 x1 = menu->frame_x;
813 y1 = menu->frame_y + menu->frame->top_width + menu->selected_entry * menu->entry_height;
814 x2 = x1 + MENUW(menu);
815 y2 = y1 + menu->entry_height;
816
817 new_x = x1;
818 new_y = y1;
819 move = 0;
820
821 if (x1 < rect.pos.x) {
822 new_x = rect.pos.x;
823 move = 1;
824 } else if (x2 >= rect.pos.x + rect.size.width) {
825 new_x = rect.pos.x + rect.size.width - MENUW(menu) - 1;
826 move = 1;
827 }
828
829 if (y1 < rect.pos.y) {
830 new_y = rect.pos.y;
831 move = 1;
832 } else if (y2 >= rect.pos.y + rect.size.height) {
833 new_y = rect.pos.y + rect.size.height - menu->entry_height - 1;
834 move = 1;
835 }
836
837 new_y = new_y - menu->frame->top_width - menu->selected_entry * menu->entry_height;
838 move_menus(menu, new_x, new_y);
839 }
840
841 static int check_key(WMenu * menu, XKeyEvent * event)
842 {
843 int i, ch, s;
844 char buffer[32];
845
846 if (XLookupString(event, buffer, 32, NULL, NULL) < 1)
847 return -1;
848
849 ch = toupper(buffer[0]);
850
851 s = (menu->selected_entry >= 0 ? menu->selected_entry + 1 : 0);
852
853 again:
854 for (i = s; i < menu->entry_no; i++) {
855 if (ch == toupper(menu->entries[i]->text[0])) {
856 return i;
857 }
858 }
859 /* no match. Retry from start, if previous started from a selected entry */
860 if (s != 0) {
861 s = 0;
862 goto again;
863 }
864 return -1;
865 }
866
867 static int keyboardMenu(WMenu * menu)
868 {
869 XEvent event;
870 KeySym ksym = NoSymbol;
871 int done = 0;
872 int index;
873 WMenuEntry *entry;
874 int old_pos_x = menu->frame_x;
875 int old_pos_y = menu->frame_y;
876 int new_x = old_pos_x, new_y = old_pos_y;
877 WMRect rect = wGetRectForHead(menu->frame->screen_ptr,
878 wGetHeadForPointerLocation(menu->frame->screen_ptr));
879
880 if (menu->flags.editing)
881 return False;
882
883 XGrabKeyboard(dpy, menu->frame->core->window, True, GrabModeAsync, GrabModeAsync, CurrentTime);
884
885 if (menu->frame_y + menu->frame->top_width >= rect.pos.y + rect.size.height)
886 new_y = rect.pos.y + rect.size.height - menu->frame->top_width;
887
888 if (menu->frame_x + MENUW(menu) >= rect.pos.x + rect.size.width)
889 new_x = rect.pos.x + rect.size.width - MENUW(menu) - 1;
890
891 move_menus(menu, new_x, new_y);
892
893 while (!done && menu->flags.mapped) {
894 XAllowEvents(dpy, AsyncKeyboard, CurrentTime);
895 WMMaskEvent(dpy, ExposureMask | ButtonMotionMask | ButtonPressMask
896 | ButtonReleaseMask | KeyPressMask | KeyReleaseMask | SubstructureNotifyMask, &event);
897
898 switch (event.type) {
899 case KeyPress:
900 ksym = XLookupKeysym(&event.xkey, 0);
901 switch (ksym) {
902 case XK_Escape:
903 done = 1;
904 break;
905
906 case XK_Home:
907 #ifdef XK_KP_Home
908 case XK_KP_Home:
909 #endif
910 selectEntry(menu, 0);
911 makeVisible(menu);
912 break;
913
914 case XK_End:
915 #ifdef XK_KP_End
916 case XK_KP_End:
917 #endif
918 selectEntry(menu, menu->entry_no - 1);
919 makeVisible(menu);
920 break;
921
922 case XK_Up:
923 #ifdef ARROWLESS_KBD
924 case XK_k:
925 #endif
926 #ifdef XK_KP_Up
927 case XK_KP_Up:
928 #endif
929 if (menu->selected_entry <= 0)
930 selectEntry(menu, menu->entry_no - 1);
931 else
932 selectEntry(menu, menu->selected_entry - 1);
933 makeVisible(menu);
934 break;
935
936 case XK_Down:
937 #ifdef ARROWLESS_KBD
938 case XK_j:
939 #endif
940 #ifdef XK_KP_Down
941 case XK_KP_Down:
942 #endif
943 if (menu->selected_entry < 0)
944 selectEntry(menu, 0);
945 else if (menu->selected_entry == menu->entry_no - 1)
946 selectEntry(menu, 0);
947 else if (menu->selected_entry < menu->entry_no - 1)
948 selectEntry(menu, menu->selected_entry + 1);
949 makeVisible(menu);
950 break;
951
952 case XK_Right:
953 #ifdef ARROWLESS_KBD
954 case XK_l:
955 #endif
956 #ifdef XK_KP_Right
957 case XK_KP_Right:
958 #endif
959 if (menu->selected_entry >= 0) {
960 WMenuEntry *entry;
961 entry = menu->entries[menu->selected_entry];
962
963 if (entry->cascade >= 0 && menu->cascades
964 && menu->cascades[entry->cascade]->entry_no > 0) {
965
966 XUngrabKeyboard(dpy, CurrentTime);
967
968 selectEntry(menu->cascades[entry->cascade], 0);
969 if (!keyboardMenu(menu->cascades[entry->cascade]))
970 done = 1;
971
972 XGrabKeyboard(dpy, menu->frame->core->window, True,
973 GrabModeAsync, GrabModeAsync, CurrentTime);
974 }
975 }
976 break;
977
978 case XK_Left:
979 #ifdef ARROWLESS_KBD
980 case XK_h:
981 #endif
982 #ifdef XK_KP_Left
983 case XK_KP_Left:
984 #endif
985 if (menu->parent != NULL && menu->parent->selected_entry >= 0) {
986 selectEntry(menu, -1);
987 move_menus(menu, old_pos_x, old_pos_y);
988 return True;
989 }
990 break;
991
992 case XK_Return:
993 #ifdef XK_KP_Enter
994 case XK_KP_Enter:
995 #endif
996 done = 2;
997 break;
998
999 default:
1000 index = check_key(menu, &event.xkey);
1001 if (index >= 0) {
1002 selectEntry(menu, index);
1003 }
1004 }
1005 break;
1006
1007 default:
1008 if (event.type == ButtonPress)
1009 done = 1;
1010
1011 WMHandleEvent(&event);
1012 }
1013 }
1014
1015 XUngrabKeyboard(dpy, CurrentTime);
1016
1017 if (done == 2 && menu->selected_entry >= 0) {
1018 entry = menu->entries[menu->selected_entry];
1019 } else {
1020 entry = NULL;
1021 }
1022
1023 if (entry && entry->callback != NULL && entry->flags.enabled && entry->cascade < 0) {
1024 #if (MENU_BLINK_COUNT > 0)
1025 int sel = menu->selected_entry;
1026 int i;
1027
1028 for (i = 0; i < MENU_BLINK_COUNT; i++) {
1029 paintEntry(menu, sel, False);
1030 XSync(dpy, 0);
1031 wusleep(MENU_BLINK_DELAY);
1032 paintEntry(menu, sel, True);
1033 XSync(dpy, 0);
1034 wusleep(MENU_BLINK_DELAY);
1035 }
1036 #endif
1037 selectEntry(menu, -1);
1038
1039 if (!menu->flags.buttoned) {
1040 wMenuUnmap(menu);
1041 move_menus(menu, old_pos_x, old_pos_y);
1042 }
1043 closeCascade(menu);
1044
1045 (*entry->callback) (menu, entry);
1046 } else {
1047 if (!menu->flags.buttoned) {
1048 wMenuUnmap(menu);
1049 move_menus(menu, old_pos_x, old_pos_y);
1050 }
1051 selectEntry(menu, -1);
1052 }
1053
1054 /* returns True if returning from a submenu to a parent menu,
1055 * False if exiting from menu */
1056 return False;
1057 }
1058
1059 void wMenuMapAt(WMenu * menu, int x, int y, int keyboard)
1060 {
1061 WMRect rect = wGetRectForHead(menu->frame->screen_ptr,
1062 wGetHeadForPointerLocation(menu->frame->screen_ptr));
1063
1064 if (!menu->flags.realized) {
1065 menu->flags.realized = 1;
1066 wMenuRealize(menu);
1067 }
1068 if (!menu->flags.mapped) {
1069 if (wPreferences.wrap_menus) {
1070 if (x < rect.pos.x)
1071 x = rect.pos.x;
1072 if (y < rect.pos.y)
1073 y = rect.pos.y;
1074 if (x + MENUW(menu) > rect.pos.x + rect.size.width)
1075 x = rect.pos.x + rect.size.width - MENUW(menu);
1076 if (y + MENUH(menu) > rect.pos.y + rect.size.height)
1077 y = rect.pos.y + rect.size.height - MENUH(menu);
1078 }
1079
1080 XMoveWindow(dpy, menu->frame->core->window, x, y);
1081 menu->frame_x = x;
1082 menu->frame_y = y;
1083 XMapWindow(dpy, menu->frame->core->window);
1084 wRaiseFrame(menu->frame->core);
1085 menu->flags.mapped = 1;
1086 } else {
1087 selectEntry(menu, 0);
1088 }
1089
1090 if (keyboard)
1091 keyboardMenu(menu);
1092 }
1093
1094 void wMenuMap(WMenu * menu)
1095 {
1096 if (!menu->flags.realized) {
1097 menu->flags.realized = 1;
1098 wMenuRealize(menu);
1099 }
1100 if (menu->flags.app_menu && menu->parent == NULL) {
1101 menu->frame_x = menu->frame->screen_ptr->app_menu_x;
1102 menu->frame_y = menu->frame->screen_ptr->app_menu_y;
1103 XMoveWindow(dpy, menu->frame->core->window, menu->frame_x, menu->frame_y);
1104 }
1105 XMapWindow(dpy, menu->frame->core->window);
1106 wRaiseFrame(menu->frame->core);
1107 menu->flags.mapped = 1;
1108 }
1109
1110 void wMenuUnmap(WMenu * menu)
1111 {
1112 int i;
1113
1114 XUnmapWindow(dpy, menu->frame->core->window);
1115 if (menu->flags.titled && menu->flags.buttoned) {
1116 wFrameWindowHideButton(menu->frame, WFF_RIGHT_BUTTON);
1117 }
1118 menu->flags.buttoned = 0;
1119 menu->flags.mapped = 0;
1120 menu->flags.open_to_left = 0;
1121
1122 for (i = 0; i < menu->cascade_no; i++) {
1123 if (menu->cascades[i] != NULL
1124 && menu->cascades[i]->flags.mapped && !menu->cascades[i]->flags.buttoned) {
1125
1126 wMenuUnmap(menu->cascades[i]);
1127 }
1128 }
1129 menu->selected_entry = -1;
1130 }
1131
1132 void wMenuPaint(WMenu * menu)
1133 {
1134 int i;
1135
1136 if (!menu->flags.mapped) {
1137 return;
1138 }
1139
1140 /* paint entries */
1141 for (i = 0; i < menu->entry_no; i++) {
1142 paintEntry(menu, i, i == menu->selected_entry);
1143 }
1144 }
1145
1146 void wMenuSetEnabled(WMenu * menu, int index, int enable)
1147 {
1148 if (index >= menu->entry_no)
1149 return;
1150 menu->entries[index]->flags.enabled = enable;
1151 paintEntry(menu, index, index == menu->selected_entry);
1152 paintEntry(menu->brother, index, index == menu->selected_entry);
1153 }
1154
1155 /* ====================================================================== */
1156
1157 static void editEntry(WMenu * menu, WMenuEntry * entry)
1158 {
1159 WTextInput *text;
1160 XEvent event;
1161 WObjDescriptor *desc;
1162 char *t;
1163 int done = 0;
1164 Window old_focus;
1165 int old_revert;
1166
1167 menu->flags.editing = 1;
1168
1169 text = wTextCreate(menu->menu, 1, menu->entry_height * entry->order,
1170 menu->menu->width - 2, menu->entry_height - 1);
1171
1172 wTextPutText(text, entry->text);
1173 XGetInputFocus(dpy, &old_focus, &old_revert);
1174 XSetInputFocus(dpy, text->core->window, RevertToNone, CurrentTime);
1175
1176 if (XGrabKeyboard(dpy, text->core->window, True, GrabModeAsync, GrabModeAsync, CurrentTime) != GrabSuccess) {
1177 wwarning(_("could not grab keyboard"));
1178 wTextDestroy(text);
1179
1180 wSetFocusTo(menu->frame->screen_ptr, menu->frame->screen_ptr->focused_window);
1181 return;
1182 }
1183
1184 while (!done && !text->done) {
1185 XSync(dpy, 0);
1186 XAllowEvents(dpy, AsyncKeyboard | AsyncPointer, CurrentTime);
1187 XSync(dpy, 0);
1188 WMNextEvent(dpy, &event);
1189
1190 if (XFindContext(dpy, event.xany.window, wWinContext, (XPointer *) & desc) == XCNOENT)
1191 desc = NULL;
1192
1193 if ((desc != NULL) && (desc->handle_anything != NULL)) {
1194
1195 (*desc->handle_anything) (desc, &event);
1196
1197 } else {
1198 switch (event.type) {
1199 case ButtonPress:
1200 XAllowEvents(dpy, ReplayPointer, CurrentTime);
1201 done = 1;
1202
1203 default:
1204 WMHandleEvent(&event);
1205 break;
1206 }
1207 }
1208 }
1209
1210 XSetInputFocus(dpy, old_focus, old_revert, CurrentTime);
1211
1212 wSetFocusTo(menu->frame->screen_ptr, menu->frame->screen_ptr->focused_window);
1213
1214 t = wTextGetText(text);
1215 /* if !t, the user has canceled editing */
1216 if (t) {
1217 if (entry->text)
1218 wfree(entry->text);
1219 entry->text = wstrdup(t);
1220
1221 menu->flags.realized = 0;
1222 }
1223 wTextDestroy(text);
1224
1225 XUngrabKeyboard(dpy, CurrentTime);
1226
1227 if (t && menu->on_edit)
1228 (*menu->on_edit) (menu, entry);
1229
1230 menu->flags.editing = 0;
1231
1232 if (!menu->flags.realized)
1233 wMenuRealize(menu);
1234 }
1235
1236 static void selectEntry(WMenu * menu, int entry_no)
1237 {
1238 WMenuEntry *entry;
1239 WMenu *submenu;
1240 int old_entry;
1241
1242 if (menu->entries == NULL)
1243 return;
1244
1245 if (entry_no >= menu->entry_no)
1246 return;
1247
1248 old_entry = menu->selected_entry;
1249 menu->selected_entry = entry_no;
1250
1251 if (old_entry != entry_no) {
1252
1253 /* unselect previous entry */
1254 if (old_entry >= 0) {
1255 paintEntry(menu, old_entry, False);
1256 entry = menu->entries[old_entry];
1257
1258 /* unmap cascade */
1259 if (entry->cascade >= 0 && menu->cascades) {
1260 if (!menu->cascades[entry->cascade]->flags.buttoned) {
1261 wMenuUnmap(menu->cascades[entry->cascade]);
1262 }
1263 }
1264 }
1265
1266 if (entry_no < 0) {
1267 menu->selected_entry = -1;
1268 return;
1269 }
1270 entry = menu->entries[entry_no];
1271
1272 if (entry->cascade >= 0 && menu->cascades && entry->flags.enabled) {
1273 /* Callback for when the submenu is opened.
1274 */
1275 submenu = menu->cascades[entry->cascade];
1276 if (submenu && submenu->flags.brother)
1277 submenu = submenu->brother;
1278
1279 if (entry->callback) {
1280 /* Only call the callback if the submenu is not yet mapped.
1281 */
1282 if (menu->flags.brother) {
1283 if (!submenu || !submenu->flags.mapped)
1284 (*entry->callback) (menu->brother, entry);
1285 } else {
1286 if (!submenu || !submenu->flags.buttoned)
1287 (*entry->callback) (menu, entry);
1288 }
1289 }
1290
1291 /* the submenu menu might have changed */
1292 submenu = menu->cascades[entry->cascade];
1293
1294 /* map cascade */
1295 if (!submenu->flags.mapped) {
1296 int x, y;
1297
1298 if (!submenu->flags.realized)
1299 wMenuRealize(submenu);
1300 if (wPreferences.wrap_menus) {
1301 if (menu->flags.open_to_left)
1302 submenu->flags.open_to_left = 1;
1303
1304 if (submenu->flags.open_to_left) {
1305 x = menu->frame_x - MENUW(submenu);
1306 if (x < 0) {
1307 x = 0;
1308 submenu->flags.open_to_left = 0;
1309 }
1310 } else {
1311 x = menu->frame_x + MENUW(menu);
1312
1313 if (x + MENUW(submenu)
1314 >= menu->frame->screen_ptr->scr_width) {
1315
1316 x = menu->frame_x - MENUW(submenu);
1317 submenu->flags.open_to_left = 1;
1318 }
1319 }
1320 } else {
1321 x = menu->frame_x + MENUW(menu);
1322 }
1323
1324 if (wPreferences.align_menus) {
1325 y = menu->frame_y;
1326 } else {
1327 y = menu->frame_y + menu->entry_height * entry_no;
1328 if (menu->flags.titled)
1329 y += menu->frame->top_width;
1330 if (menu->cascades[entry->cascade]->flags.titled)
1331 y -= menu->cascades[entry->cascade]->frame->top_width;
1332 }
1333
1334 wMenuMapAt(menu->cascades[entry->cascade], x, y, False);
1335 menu->cascades[entry->cascade]->parent = menu;
1336 } else {
1337 return;
1338 }
1339 }
1340 paintEntry(menu, entry_no, True);
1341 }
1342 }
1343
1344 static WMenu *findMenu(WScreen * scr, int *x_ret, int *y_ret)
1345 {
1346 WMenu *menu;
1347 WObjDescriptor *desc;
1348 Window root_ret, win, junk_win;
1349 int x, y, wx, wy;
1350 unsigned int mask;
1351
1352 XQueryPointer(dpy, scr->root_win, &root_ret, &win, &x, &y, &wx, &wy, &mask);
1353
1354 if (win == None)
1355 return NULL;
1356
1357 if (XFindContext(dpy, win, wWinContext, (XPointer *) & desc) == XCNOENT)
1358 return NULL;
1359
1360 if (desc->parent_type == WCLASS_MENU) {
1361 menu = (WMenu *) desc->parent;
1362 XTranslateCoordinates(dpy, root_ret, menu->menu->window, wx, wy, x_ret, y_ret, &junk_win);
1363 return menu;
1364 }
1365 return NULL;
1366 }
1367
1368 static void closeCascade(WMenu * menu)
1369 {
1370 WMenu *parent = menu->parent;
1371
1372 if (menu->flags.brother || (!menu->flags.buttoned && (!menu->flags.app_menu || menu->parent != NULL))) {
1373
1374 selectEntry(menu, -1);
1375 XSync(dpy, 0);
1376 #if (MENU_BLINK_DELAY > 2)
1377 wusleep(MENU_BLINK_DELAY / 2);
1378 #endif
1379 wMenuUnmap(menu);
1380 while (parent != NULL
1381 && (parent->parent != NULL || !parent->flags.app_menu || parent->flags.brother)
1382 && !parent->flags.buttoned) {
1383 selectEntry(parent, -1);
1384 wMenuUnmap(parent);
1385 parent = parent->parent;
1386 }
1387 if (parent)
1388 selectEntry(parent, -1);
1389 }
1390 }
1391
1392 static void closeBrotherCascadesOf(WMenu * menu)
1393 {
1394 WMenu *tmp;
1395 int i;
1396
1397 for (i = 0; i < menu->cascade_no; i++) {
1398 if (menu->cascades[i]->flags.brother) {
1399 tmp = menu->cascades[i];
1400 } else {
1401 tmp = menu->cascades[i]->brother;
1402 }
1403 if (tmp->flags.mapped) {
1404 selectEntry(tmp->parent, -1);
1405 closeBrotherCascadesOf(tmp);
1406 break;
1407 }
1408 }
1409 }
1410
1411 #define getEntryAt(menu, x, y) ((y)<0 ? -1 : (y)/(menu->entry_height))
1412
1413 static WMenu *parentMenu(WMenu * menu)
1414 {
1415 WMenu *parent;
1416 WMenuEntry *entry;
1417
1418 if (menu->flags.buttoned)
1419 return menu;
1420
1421 while (menu->parent && menu->parent->flags.mapped) {
1422 parent = menu->parent;
1423 if (parent->selected_entry < 0)
1424 break;
1425 entry = parent->entries[parent->selected_entry];
1426 if (!entry->flags.enabled || entry->cascade < 0 || !parent->cascades ||
1427 parent->cascades[entry->cascade] != menu)
1428 break;
1429 menu = parent;
1430 if (menu->flags.buttoned)
1431 break;
1432 }
1433
1434 return menu;
1435 }
1436
1437 /*
1438 * Will raise the passed menu, if submenu = 0
1439 * If submenu > 0 will also raise all mapped submenus
1440 * until the first buttoned one
1441 * If submenu < 0 will also raise all mapped parent menus
1442 * until the first buttoned one
1443 */
1444
1445 static void raiseMenus(WMenu * menu, int submenus)
1446 {
1447 WMenu *submenu;
1448 int i;
1449
1450 if (!menu)
1451 return;
1452
1453 wRaiseFrame(menu->frame->core);
1454
1455 if (submenus > 0 && menu->selected_entry >= 0) {
1456 i = menu->entries[menu->selected_entry]->cascade;
1457 if (i >= 0 && menu->cascades) {
1458 submenu = menu->cascades[i];
1459 if (submenu->flags.mapped && !submenu->flags.buttoned)
1460 raiseMenus(submenu, submenus);
1461 }
1462 }
1463 if (submenus < 0 && !menu->flags.buttoned && menu->parent && menu->parent->flags.mapped)
1464 raiseMenus(menu->parent, submenus);
1465 }
1466
1467 WMenu *wMenuUnderPointer(WScreen * screen)
1468 {
1469 WObjDescriptor *desc;
1470 Window root_ret, win;
1471 int dummy;
1472 unsigned int mask;
1473
1474 XQueryPointer(dpy, screen->root_win, &root_ret, &win, &dummy, &dummy, &dummy, &dummy, &mask);
1475
1476 if (win == None)
1477 return NULL;
1478
1479 if (XFindContext(dpy, win, wWinContext, (XPointer *) & desc) == XCNOENT)
1480 return NULL;
1481
1482 if (desc->parent_type == WCLASS_MENU)
1483 return (WMenu *) desc->parent;
1484 return NULL;
1485 }
1486
1487 static void getPointerPosition(WScreen * scr, int *x, int *y)
1488 {
1489 Window root_ret, win;
1490 int wx, wy;
1491 unsigned int mask;
1492
1493 XQueryPointer(dpy, scr->root_win, &root_ret, &win, x, y, &wx, &wy, &mask);
1494 }
1495
1496 static void getScrollAmount(WMenu * menu, int *hamount, int *vamount)
1497 {
1498 WScreen *scr = menu->menu->screen_ptr;
1499 int menuX1 = menu->frame_x;
1500 int menuY1 = menu->frame_y;
1501 int menuX2 = menu->frame_x + MENUW(menu);
1502 int menuY2 = menu->frame_y + MENUH(menu);
1503 int xroot, yroot;
1504 WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
1505
1506 *hamount = 0;
1507 *vamount = 0;
1508
1509 getPointerPosition(scr, &xroot, &yroot);
1510
1511 if (xroot <= (rect.pos.x + 1) && menuX1 < rect.pos.x) {
1512 /* scroll to the right */
1513 *hamount = WMIN(MENU_SCROLL_STEP, abs(menuX1));
1514
1515 } else if (xroot >= (rect.pos.x + rect.size.width - 2) && menuX2 > (rect.pos.x + rect.size.width - 1)) {
1516 /* scroll to the left */
1517 *hamount = WMIN(MENU_SCROLL_STEP, abs(menuX2 - rect.pos.x - rect.size.width - 1));
1518
1519 if (*hamount == 0)
1520 *hamount = 1;
1521
1522 *hamount = -*hamount;
1523 }
1524
1525 if (yroot <= (rect.pos.y + 1) && menuY1 < rect.pos.y) {
1526 /* scroll down */
1527 *vamount = WMIN(MENU_SCROLL_STEP, abs(menuY1));
1528
1529 } else if (yroot >= (rect.pos.y + rect.size.height - 2) && menuY2 > (rect.pos.y + rect.size.height - 1)) {
1530 /* scroll up */
1531 *vamount = WMIN(MENU_SCROLL_STEP, abs(menuY2 - rect.pos.y - rect.size.height - 2));
1532
1533 *vamount = -*vamount;
1534 }
1535 }
1536
1537 static void dragScrollMenuCallback(void *data)
1538 {
1539 WMenu *menu = (WMenu *) data;
1540 WScreen *scr = menu->menu->screen_ptr;
1541 WMenu *parent = parentMenu(menu);
1542 int hamount, vamount;
1543 int x, y;
1544 int newSelectedEntry;
1545
1546 getScrollAmount(menu, &hamount, &vamount);
1547
1548 if (hamount != 0 || vamount != 0) {
1549 wMenuMove(parent, parent->frame_x + hamount, parent->frame_y + vamount, True);
1550 if (findMenu(scr, &x, &y)) {
1551 newSelectedEntry = getEntryAt(menu, x, y);
1552 selectEntry(menu, newSelectedEntry);
1553 } else {
1554 /* Pointer fell outside of menu. If the selected entry is
1555 * not a submenu, unselect it */
1556 if (menu->selected_entry >= 0 && menu->entries[menu->selected_entry]->cascade < 0)
1557 selectEntry(menu, -1);
1558 newSelectedEntry = 0;
1559 }
1560
1561 /* paranoid check */
1562 if (newSelectedEntry >= 0) {
1563 /* keep scrolling */
1564 menu->timer = WMAddTimerHandler(MENU_SCROLL_DELAY, dragScrollMenuCallback, menu);
1565 } else {
1566 menu->timer = NULL;
1567 }
1568 } else {
1569 /* don't need to scroll anymore */
1570 menu->timer = NULL;
1571 if (findMenu(scr, &x, &y)) {
1572 newSelectedEntry = getEntryAt(menu, x, y);
1573 selectEntry(menu, newSelectedEntry);
1574 }
1575 }
1576 }
1577
1578 static void scrollMenuCallback(void *data)
1579 {
1580 WMenu *menu = (WMenu *) data;
1581 WMenu *parent = parentMenu(menu);
1582 int hamount = 0; /* amount to scroll */
1583 int vamount = 0;
1584
1585 getScrollAmount(menu, &hamount, &vamount);
1586
1587 if (hamount != 0 || vamount != 0) {
1588 wMenuMove(parent, parent->frame_x + hamount, parent->frame_y + vamount, True);
1589
1590 /* keep scrolling */
1591 menu->timer = WMAddTimerHandler(MENU_SCROLL_DELAY, scrollMenuCallback, menu);
1592 } else {
1593 /* don't need to scroll anymore */
1594 menu->timer = NULL;
1595 }
1596 }
1597
1598 #define MENU_SCROLL_BORDER 5
1599
1600 static int isPointNearBoder(WMenu * menu, int x, int y)
1601 {
1602 int menuX1 = menu->frame_x;
1603 int menuY1 = menu->frame_y;
1604 int menuX2 = menu->frame_x + MENUW(menu);
1605 int menuY2 = menu->frame_y + MENUH(menu);
1606 int flag = 0;
1607 int head = wGetHeadForPoint(menu->frame->screen_ptr, wmkpoint(x, y));
1608 WMRect rect = wGetRectForHead(menu->frame->screen_ptr, head);
1609
1610 /* XXX: handle screen joins properly !! */
1611
1612 if (x >= menuX1 && x <= menuX2 &&
1613 (y < rect.pos.y + MENU_SCROLL_BORDER || y >= rect.pos.y + rect.size.height - MENU_SCROLL_BORDER))
1614 flag = 1;
1615 else if (y >= menuY1 && y <= menuY2 &&
1616 (x < rect.pos.x + MENU_SCROLL_BORDER || x >= rect.pos.x + rect.size.width - MENU_SCROLL_BORDER))
1617 flag = 1;
1618
1619 return flag;
1620 }
1621
1622 typedef struct _delay {
1623 WMenu *menu;
1624 int ox, oy;
1625 } _delay;
1626
1627 static void leaving(_delay * dl)
1628 {
1629 wMenuMove(dl->menu, dl->ox, dl->oy, True);
1630 dl->menu->jump_back = NULL;
1631 dl->menu->menu->screen_ptr->flags.jump_back_pending = 0;
1632 wfree(dl);
1633 }
1634
1635 void wMenuScroll(WMenu * menu, XEvent * event)
1636 {
1637 WMenu *smenu;
1638 WMenu *omenu = parentMenu(menu);
1639 WScreen *scr = menu->frame->screen_ptr;
1640 int done = 0;
1641 int jump_back = 0;
1642 int old_frame_x = omenu->frame_x;
1643 int old_frame_y = omenu->frame_y;
1644 XEvent ev;
1645
1646 if (omenu->jump_back)
1647 WMDeleteTimerWithClientData(omenu->jump_back);
1648
1649 if (( /*omenu->flags.buttoned && */ !wPreferences.wrap_menus)
1650 || omenu->flags.app_menu) {
1651 jump_back = 1;
1652 }
1653
1654 if (!wPreferences.wrap_menus)
1655 raiseMenus(omenu, True);
1656 else
1657 raiseMenus(menu, False);
1658
1659 if (!menu->timer)
1660 scrollMenuCallback(menu);
1661
1662 while (!done) {
1663 int x, y, on_border, on_x_edge, on_y_edge, on_title;
1664 WMRect rect;
1665
1666 WMNextEvent(dpy, &ev);
1667 switch (ev.type) {
1668 case EnterNotify:
1669 WMHandleEvent(&ev);
1670 case MotionNotify:
1671 x = (ev.type == MotionNotify) ? ev.xmotion.x_root : ev.xcrossing.x_root;
1672 y = (ev.type == MotionNotify) ? ev.xmotion.y_root : ev.xcrossing.y_root;
1673
1674 /* on_border is != 0 if the pointer is between the menu
1675 * and the screen border and is close enough to the border */
1676 on_border = isPointNearBoder(menu, x, y);
1677
1678 smenu = wMenuUnderPointer(scr);
1679
1680 if ((smenu == NULL && !on_border) || (smenu && parentMenu(smenu) != omenu)) {
1681 done = 1;
1682 break;
1683 }
1684
1685 rect = wGetRectForHead(scr, wGetHeadForPoint(scr, wmkpoint(x, y)));
1686 on_x_edge = x <= rect.pos.x + 1 || x >= rect.pos.x + rect.size.width - 2;
1687 on_y_edge = y <= rect.pos.y + 1 || y >= rect.pos.y + rect.size.height - 2;
1688 on_border = on_x_edge || on_y_edge;
1689
1690 if (!on_border && !jump_back) {
1691 done = 1;
1692 break;
1693 }
1694
1695 if (menu->timer && (smenu != menu || (!on_y_edge && !on_x_edge))) {
1696 WMDeleteTimerHandler(menu->timer);
1697 menu->timer = NULL;
1698 }
1699
1700 if (smenu != NULL)
1701 menu = smenu;
1702
1703 if (!menu->timer)
1704 scrollMenuCallback(menu);
1705 break;
1706 case ButtonPress:
1707 /* True if we push on title, or drag the omenu to other position */
1708 on_title = ev.xbutton.x_root >= omenu->frame_x &&
1709 ev.xbutton.x_root <= omenu->frame_x + MENUW(omenu) &&
1710 ev.xbutton.y_root >= omenu->frame_y &&
1711 ev.xbutton.y_root <= omenu->frame_y + omenu->frame->top_width;
1712 WMHandleEvent(&ev);
1713 smenu = wMenuUnderPointer(scr);
1714 if (smenu == NULL || (smenu && smenu->flags.buttoned && smenu != omenu))
1715 done = 1;
1716 else if (smenu == omenu && on_title) {
1717 jump_back = 0;
1718 done = 1;
1719 }
1720 break;
1721 case KeyPress:
1722 done = 1;
1723 default:
1724 WMHandleEvent(&ev);
1725 break;
1726 }
1727 }
1728
1729 if (menu->timer) {
1730 WMDeleteTimerHandler(menu->timer);
1731 menu->timer = NULL;
1732 }
1733
1734 if (jump_back) {
1735 _delay *delayer;
1736 if (!omenu->jump_back) {
1737 delayer = wmalloc(sizeof(_delay));
1738 delayer->menu = omenu;
1739 delayer->ox = old_frame_x;
1740 delayer->oy = old_frame_y;
1741 omenu->jump_back = delayer;
1742 scr->flags.jump_back_pending = 1;
1743 } else
1744 delayer = omenu->jump_back;
1745 WMAddTimerHandler(MENU_JUMP_BACK_DELAY, (WMCallback *) leaving, delayer);
1746 }
1747 }
1748
1749 static void menuExpose(WObjDescriptor * desc, XEvent * event)
1750 {
1751 wMenuPaint(desc->parent);
1752 }
1753
1754 typedef struct {
1755 int *delayed_select;
1756 WMenu *menu;
1757 WMHandlerID magic;
1758 } delay_data;
1759
1760 static void delaySelection(void *data)
1761 {
1762 delay_data *d = (delay_data *) data;
1763 int x, y, entry_no;
1764 WMenu *menu;
1765
1766 d->magic = NULL;
1767
1768 menu = findMenu(d->menu->menu->screen_ptr, &x, &y);
1769 if (menu && (d->menu == menu || d->delayed_select)) {
1770 entry_no = getEntryAt(menu, x, y);
1771 selectEntry(menu, entry_no);
1772 }
1773 if (d->delayed_select)
1774 *(d->delayed_select) = 0;
1775 }
1776
1777 static void menuMouseDown(WObjDescriptor * desc, XEvent * event)
1778 {
1779 WWindow *wwin;
1780 XButtonEvent *bev = &event->xbutton;
1781 WMenu *menu = desc->parent;
1782 WMenu *smenu;
1783 WScreen *scr = menu->frame->screen_ptr;
1784 WMenuEntry *entry = NULL;
1785 XEvent ev;
1786 int close_on_exit = 0;
1787 int done = 0;
1788 int delayed_select = 0;
1789 int entry_no;
1790 int x, y;
1791 int prevx, prevy;
1792 int old_frame_x = 0;
1793 int old_frame_y = 0;
1794 delay_data d_data = { NULL, NULL, NULL };
1795
1796 /* Doesn't seem to be needed anymore (if delayed selection handler is
1797 * added only if not present). there seem to be no other side effects
1798 * from removing this and it is also possible that it was only added
1799 * to avoid problems with adding the delayed selection timer handler
1800 * multiple times
1801 */
1802 /*if (menu->flags.inside_handler) {
1803 return;
1804 } */
1805 menu->flags.inside_handler = 1;
1806
1807 if (!wPreferences.wrap_menus) {
1808 smenu = parentMenu(menu);
1809 old_frame_x = smenu->frame_x;
1810 old_frame_y = smenu->frame_y;
1811 } else if (event->xbutton.window == menu->frame->core->window) {
1812 /* This is true if the menu was launched with right click on root window */
1813 if (!d_data.magic) {
1814 delayed_select = 1;
1815 d_data.delayed_select = &delayed_select;
1816 d_data.menu = menu;
1817 d_data.magic = WMAddTimerHandler(wPreferences.dblclick_time, delaySelection, &d_data);
1818 }
1819 }
1820
1821 wRaiseFrame(menu->frame->core);
1822
1823 close_on_exit = (bev->send_event || menu->flags.brother);
1824
1825 smenu = findMenu(scr, &x, &y);
1826 if (!smenu) {
1827 x = -1;
1828 y = -1;
1829 } else {
1830 menu = smenu;
1831 }
1832
1833 if (menu->flags.editing) {
1834 goto byebye;
1835 }
1836 entry_no = getEntryAt(menu, x, y);
1837 if (entry_no >= 0) {
1838 entry = menu->entries[entry_no];
1839
1840 if (!close_on_exit && (bev->state & ControlMask) && smenu && entry->flags.editable) {
1841 editEntry(smenu, entry);
1842 goto byebye;
1843 } else if (bev->state & ControlMask) {
1844 goto byebye;
1845 }
1846
1847 if (entry->flags.enabled && entry->cascade >= 0 && menu->cascades) {
1848 WMenu *submenu = menu->cascades[entry->cascade];
1849 /* map cascade */
1850 if (submenu->flags.mapped && !submenu->flags.buttoned && menu->selected_entry != entry_no) {
1851 wMenuUnmap(submenu);
1852 }
1853 if (!submenu->flags.mapped && !delayed_select) {
1854 selectEntry(menu, entry_no);
1855 } else if (!submenu->flags.buttoned) {
1856 selectEntry(menu, -1);
1857 }
1858
1859 } else if (!delayed_select) {
1860 if (menu == scr->switch_menu && event->xbutton.button == Button3) {
1861 selectEntry(menu, entry_no);
1862 OpenWindowMenu2((WWindow *)entry->clientdata,
1863 event->xbutton.x_root,
1864 event->xbutton.y_root, False);
1865 wwin = (WWindow *)entry->clientdata;
1866 desc = &wwin->screen_ptr->window_menu->menu->descriptor;
1867 event->xany.send_event = True;
1868 (*desc->handle_mousedown)(desc, event);
1869
1870 XUngrabPointer(dpy, CurrentTime);
1871 selectEntry(menu, -1);
1872 return;
1873 } else {
1874 selectEntry(menu, entry_no);
1875 }
1876 }
1877
1878 if (!wPreferences.wrap_menus && !wPreferences.scrollable_menus) {
1879 if (!menu->timer)
1880 dragScrollMenuCallback(menu);
1881 }
1882 }
1883
1884 prevx = bev->x_root;
1885 prevy = bev->y_root;
1886 while (!done) {
1887 int x, y;
1888
1889 XAllowEvents(dpy, AsyncPointer | SyncPointer, CurrentTime);
1890
1891 WMMaskEvent(dpy, ExposureMask | ButtonMotionMask | ButtonReleaseMask | ButtonPressMask, &ev);
1892 switch (ev.type) {
1893 case MotionNotify:
1894 smenu = findMenu(scr, &x, &y);
1895
1896 if (smenu == NULL) {
1897 /* moved mouse out of menu */
1898
1899 if (!delayed_select && d_data.magic) {
1900 WMDeleteTimerHandler(d_data.magic);
1901 d_data.magic = NULL;
1902 }
1903 if (menu == NULL
1904 || (menu->selected_entry >= 0
1905 && menu->entries[menu->selected_entry]->cascade >= 0)) {
1906 prevx = ev.xmotion.x_root;
1907 prevy = ev.xmotion.y_root;
1908
1909 break;
1910 }
1911 selectEntry(menu, -1);
1912 menu = smenu;
1913 prevx = ev.xmotion.x_root;
1914 prevy = ev.xmotion.y_root;
1915 break;
1916 } else if (menu && menu != smenu
1917 && (menu->selected_entry < 0
1918 || menu->entries[menu->selected_entry]->cascade < 0)) {
1919 selectEntry(menu, -1);
1920
1921 if (!delayed_select && d_data.magic) {
1922 WMDeleteTimerHandler(d_data.magic);
1923 d_data.magic = NULL;
1924 }
1925 } else {
1926
1927 /* hysteresis for item selection */
1928
1929 /* check if the motion was to the side, indicating that
1930 * the user may want to cross to a submenu */
1931 if (!delayed_select && menu) {
1932 int dx;
1933 Bool moved_to_submenu; /* moved to direction of submenu */
1934
1935 dx = abs(prevx - ev.xmotion.x_root);
1936
1937 moved_to_submenu = False;
1938 if (dx > 0 /* if moved enough to the side */
1939 /* maybe a open submenu */
1940 && menu->selected_entry >= 0
1941 /* moving to the right direction */
1942 && (wPreferences.align_menus || ev.xmotion.y_root >= prevy)) {
1943 int index;
1944
1945 index = menu->entries[menu->selected_entry]->cascade;
1946 if (index >= 0) {
1947 if (menu->cascades[index]->frame_x > menu->frame_x) {
1948 if (prevx < ev.xmotion.x_root)
1949 moved_to_submenu = True;
1950 } else {
1951 if (prevx > ev.xmotion.x_root)
1952 moved_to_submenu = True;
1953 }
1954 }
1955 }
1956
1957 if (menu != smenu) {
1958 if (d_data.magic) {
1959 WMDeleteTimerHandler(d_data.magic);
1960 d_data.magic = NULL;
1961 }
1962 } else if (moved_to_submenu) {
1963 /* while we are moving, postpone the selection */
1964 if (d_data.magic) {
1965 WMDeleteTimerHandler(d_data.magic);
1966 }
1967 d_data.delayed_select = NULL;
1968 d_data.menu = menu;
1969 d_data.magic = WMAddTimerHandler(MENU_SELECT_DELAY,
1970 delaySelection, &d_data);
1971 prevx = ev.xmotion.x_root;
1972 prevy = ev.xmotion.y_root;
1973 break;
1974 } else {
1975 if (d_data.magic) {
1976 WMDeleteTimerHandler(d_data.magic);
1977 d_data.magic = NULL;
1978 }
1979 }
1980 }
1981 }
1982 prevx = ev.xmotion.x_root;
1983 prevy = ev.xmotion.y_root;
1984 if (menu != smenu) {
1985 /* pointer crossed menus */
1986 if (menu && menu->timer) {
1987 WMDeleteTimerHandler(menu->timer);
1988 menu->timer = NULL;
1989 }
1990 if (smenu)
1991 dragScrollMenuCallback(smenu);
1992 }
1993 menu = smenu;
1994 if (!menu->timer)
1995 dragScrollMenuCallback(menu);
1996
1997 if (!delayed_select) {
1998 entry_no = getEntryAt(menu, x, y);
1999 if (entry_no >= 0) {
2000 entry = menu->entries[entry_no];
2001 if (entry->flags.enabled && entry->cascade >= 0 && menu->cascades) {
2002 WMenu *submenu = menu->cascades[entry->cascade];
2003 if (submenu->flags.mapped && !submenu->flags.buttoned
2004 && menu->selected_entry != entry_no) {
2005 wMenuUnmap(submenu);
2006 }
2007 }
2008 }
2009 selectEntry(menu, entry_no);
2010 }
2011 break;
2012
2013 case ButtonPress:
2014 break;
2015
2016 case ButtonRelease:
2017 if (ev.xbutton.button == event->xbutton.button)
2018 done = 1;
2019 break;
2020
2021 case Expose:
2022 WMHandleEvent(&ev);
2023 break;
2024 }
2025 }
2026
2027 if (menu && menu->timer) {
2028 WMDeleteTimerHandler(menu->timer);
2029 menu->timer = NULL;
2030 }
2031 if (d_data.magic != NULL) {
2032 WMDeleteTimerHandler(d_data.magic);
2033 d_data.magic = NULL;
2034 }
2035
2036 if (menu && menu->selected_entry >= 0) {
2037 entry = menu->entries[menu->selected_entry];
2038 if (entry->callback != NULL && entry->flags.enabled && entry->cascade < 0) {
2039 /* blink and erase menu selection */
2040 #if (MENU_BLINK_DELAY > 0)
2041 int sel = menu->selected_entry;
2042 int i;
2043
2044 for (i = 0; i < MENU_BLINK_COUNT; i++) {
2045 paintEntry(menu, sel, False);
2046 XSync(dpy, 0);
2047 wusleep(MENU_BLINK_DELAY);
2048 paintEntry(menu, sel, True);
2049 XSync(dpy, 0);
2050 wusleep(MENU_BLINK_DELAY);
2051 }
2052 #endif
2053 /* unmap the menu, it's parents and call the callback */
2054 if (!menu->flags.buttoned && (!menu->flags.app_menu || menu->parent != NULL)) {
2055 closeCascade(menu);
2056 } else {
2057 selectEntry(menu, -1);
2058 }
2059 (*entry->callback) (menu, entry);
2060
2061 /* If the user double clicks an entry, the entry will
2062 * be executed twice, which is not good for things like
2063 * the root menu. So, ignore any clicks that were generated
2064 * while the entry was being executed */
2065 while (XCheckTypedWindowEvent(dpy, menu->menu->window, ButtonPress, &ev)) ;
2066 } else if (entry->callback != NULL && entry->cascade < 0) {
2067 selectEntry(menu, -1);
2068 } else {
2069 if (entry->cascade >= 0 && menu->cascades && menu->cascades[entry->cascade]->flags.brother) {
2070 selectEntry(menu, -1);
2071 }
2072 }
2073 }
2074
2075 if (((WMenu *) desc->parent)->flags.brother || close_on_exit || !smenu)
2076 closeCascade(desc->parent);
2077
2078 /* close the cascade windows that should not remain opened */
2079 closeBrotherCascadesOf(desc->parent);
2080
2081 if (!wPreferences.wrap_menus)
2082 wMenuMove(parentMenu(desc->parent), old_frame_x, old_frame_y, True);
2083
2084 byebye:
2085 /* Just to be sure in case we skip the 2 above because of a goto byebye */
2086 if (menu && menu->timer) {
2087 WMDeleteTimerHandler(menu->timer);
2088 menu->timer = NULL;
2089 }
2090 if (d_data.magic != NULL) {
2091 WMDeleteTimerHandler(d_data.magic);
2092 d_data.magic = NULL;
2093 }
2094
2095 ((WMenu *) desc->parent)->flags.inside_handler = 0;
2096 }
2097
2098 void wMenuMove(WMenu * menu, int x, int y, int submenus)
2099 {
2100 WMenu *submenu;
2101 int i;
2102
2103 if (!menu)
2104 return;
2105
2106 menu->frame_x = x;
2107 menu->frame_y = y;
2108 XMoveWindow(dpy, menu->frame->core->window, x, y);
2109
2110 if (submenus > 0 && menu->selected_entry >= 0) {
2111 i = menu->entries[menu->selected_entry]->cascade;
2112
2113 if (i >= 0 && menu->cascades) {
2114 submenu = menu->cascades[i];
2115 if (submenu->flags.mapped && !submenu->flags.buttoned) {
2116 if (wPreferences.align_menus) {
2117 wMenuMove(submenu, x + MENUW(menu), y, submenus);
2118 } else {
2119 wMenuMove(submenu, x + MENUW(menu),
2120 y + submenu->entry_height * menu->selected_entry, submenus);
2121 }
2122 }
2123 }
2124 }
2125 if (submenus < 0 && menu->parent != NULL && menu->parent->flags.mapped && !menu->parent->flags.buttoned) {
2126 if (wPreferences.align_menus) {
2127 wMenuMove(menu->parent, x - MENUW(menu->parent), y, submenus);
2128 } else {
2129 wMenuMove(menu->parent, x - MENUW(menu->parent), menu->frame_y
2130 - menu->parent->entry_height * menu->parent->selected_entry, submenus);
2131 }
2132 }
2133 }
2134
2135 static void changeMenuLevels(WMenu * menu, int lower)
2136 {
2137 int i;
2138
2139 if (!lower) {
2140 ChangeStackingLevel(menu->frame->core, (!menu->parent ? WMMainMenuLevel : WMSubmenuLevel));
2141 wRaiseFrame(menu->frame->core);
2142 menu->flags.lowered = 0;
2143 } else {
2144 ChangeStackingLevel(menu->frame->core, WMNormalLevel);
2145 wLowerFrame(menu->frame->core);
2146 menu->flags.lowered = 1;
2147 }
2148 for (i = 0; i < menu->cascade_no; i++) {
2149 if (menu->cascades[i]
2150 && !menu->cascades[i]->flags.buttoned && menu->cascades[i]->flags.lowered != lower) {
2151 changeMenuLevels(menu->cascades[i], lower);
2152 }
2153 }
2154 }
2155
2156 static void menuTitleDoubleClick(WCoreWindow * sender, void *data, XEvent * event)
2157 {
2158 WMenu *menu = data;
2159 int lower;
2160
2161 if (event->xbutton.state & MOD_MASK) {
2162 if (menu->flags.lowered) {
2163 lower = 0;
2164 } else {
2165 lower = 1;
2166 }
2167 changeMenuLevels(menu, lower);
2168 }
2169 }
2170
2171 static void menuTitleMouseDown(WCoreWindow * sender, void *data, XEvent * event)
2172 {
2173 WMenu *menu = data;
2174 WMenu *tmp;
2175 XEvent ev;
2176 int x = menu->frame_x, y = menu->frame_y;
2177 int dx = event->xbutton.x_root, dy = event->xbutton.y_root;
2178 int i, lower;
2179 Bool started;
2180
2181 /* can't touch the menu copy */
2182 if (menu->flags.brother)
2183 return;
2184
2185 if (event->xbutton.button != Button1 && event->xbutton.button != Button2)
2186 return;
2187
2188 if (event->xbutton.state & MOD_MASK) {
2189 wLowerFrame(menu->frame->core);
2190 lower = 1;
2191 } else {
2192 wRaiseFrame(menu->frame->core);
2193 lower = 0;
2194 }
2195 tmp = menu;
2196
2197 /* lower/raise all submenus */
2198 while (1) {
2199 if (tmp->selected_entry >= 0 && tmp->cascades && tmp->entries[tmp->selected_entry]->cascade >= 0) {
2200 tmp = tmp->cascades[tmp->entries[tmp->selected_entry]->cascade];
2201 if (!tmp || !tmp->flags.mapped)
2202 break;
2203 if (lower)
2204 wLowerFrame(tmp->frame->core);
2205 else
2206 wRaiseFrame(tmp->frame->core);
2207 } else {
2208 break;
2209 }
2210 }
2211
2212 /* tear off the menu if it's a root menu or a cascade
2213 application menu */
2214 if (!menu->flags.buttoned && !menu->flags.brother && (!menu->flags.app_menu || menu->parent != NULL)) {
2215 menu->flags.buttoned = 1;
2216 wFrameWindowShowButton(menu->frame, WFF_RIGHT_BUTTON);
2217 if (menu->parent) {
2218 /* turn off selected menu entry in parent menu */
2219 selectEntry(menu->parent, -1);
2220
2221 /* make parent map the copy in place of the original */
2222 for (i = 0; i < menu->parent->cascade_no; i++) {
2223 if (menu->parent->cascades[i] == menu) {
2224 menu->parent->cascades[i] = menu->brother;
2225 break;
2226 }
2227 }
2228 }
2229 }
2230
2231 started = False;
2232 while (1) {
2233 WMMaskEvent(dpy, ButtonMotionMask | ButtonReleaseMask | ButtonPressMask | ExposureMask, &ev);
2234 switch (ev.type) {
2235 case MotionNotify:
2236 if (started) {
2237 x += ev.xmotion.x_root - dx;
2238 y += ev.xmotion.y_root - dy;
2239 dx = ev.xmotion.x_root;
2240 dy = ev.xmotion.y_root;
2241 wMenuMove(menu, x, y, True);
2242 } else {
2243 if (abs(ev.xmotion.x_root - dx) > MOVE_THRESHOLD
2244 || abs(ev.xmotion.y_root - dy) > MOVE_THRESHOLD) {
2245 started = True;
2246 XGrabPointer(dpy, menu->frame->titlebar->window, False,
2247 ButtonMotionMask | ButtonReleaseMask
2248 | ButtonPressMask,
2249 GrabModeAsync, GrabModeAsync, None,
2250 wCursor[WCUR_MOVE], CurrentTime);
2251 }
2252 }
2253 break;
2254
2255 case ButtonPress:
2256 break;
2257
2258 case ButtonRelease:
2259 if (ev.xbutton.button != event->xbutton.button)
2260 break;
2261 XUngrabPointer(dpy, CurrentTime);
2262 return;
2263
2264 default:
2265 WMHandleEvent(&ev);
2266 break;
2267 }
2268 }
2269 }
2270
2271 /*
2272 *----------------------------------------------------------------------
2273 * menuCloseClick--
2274 * Handles mouse click on the close button of menus. The menu is
2275 * closed when the button is clicked.
2276 *
2277 * Side effects:
2278 * The closed menu is reinserted at it's parent menus
2279 * cascade list.
2280 *----------------------------------------------------------------------
2281 */
2282 static void menuCloseClick(WCoreWindow * sender, void *data, XEvent * event)
2283 {
2284 WMenu *menu = (WMenu *) data;
2285 WMenu *parent = menu->parent;
2286 int i;
2287
2288 if (parent) {
2289 for (i = 0; i < parent->cascade_no; i++) {
2290 /* find the entry that points to the copy */
2291 if (parent->cascades[i] == menu->brother) {
2292 /* make it point to the original */
2293 parent->cascades[i] = menu;
2294 menu->parent = parent;
2295 break;
2296 }
2297 }
2298 }
2299 wMenuUnmap(menu);
2300 }
2301
2302 static void saveMenuInfo(WMPropList * dict, WMenu * menu, WMPropList * key)
2303 {
2304 WMPropList *value, *list;
2305 char buffer[256];
2306
2307 snprintf(buffer, sizeof(buffer), "%i,%i", menu->frame_x, menu->frame_y);
2308 value = WMCreatePLString(buffer);
2309 list = WMCreatePLArray(value, NULL);
2310 if (menu->flags.lowered)
2311 WMAddToPLArray(list, WMCreatePLString("lowered"));
2312 WMPutInPLDictionary(dict, key, list);
2313 WMReleasePropList(value);
2314 WMReleasePropList(list);
2315 }
2316
2317 void wMenuSaveState(WScreen * scr)
2318 {
2319 WMPropList *menus, *key;
2320 int save_menus = 0;
2321
2322 menus = WMCreatePLDictionary(NULL, NULL);
2323
2324 if (scr->switch_menu && scr->switch_menu->flags.buttoned) {
2325 key = WMCreatePLString("SwitchMenu");
2326 saveMenuInfo(menus, scr->switch_menu, key);
2327 WMReleasePropList(key);
2328 save_menus = 1;
2329 }
2330
2331 if (saveMenuRecurs(menus, scr, scr->root_menu))
2332 save_menus = 1;
2333
2334 if (scr->workspace_menu && scr->workspace_menu->flags.buttoned) {
2335 key = WMCreatePLString("WorkspaceMenu");
2336 saveMenuInfo(menus, scr->workspace_menu, key);
2337 WMReleasePropList(key);
2338 save_menus = 1;
2339 }
2340
2341 if (save_menus) {
2342 key = WMCreatePLString("Menus");
2343 WMPutInPLDictionary(scr->session_state, key, menus);
2344 WMReleasePropList(key);
2345 }
2346 WMReleasePropList(menus);
2347 }
2348
2349 static Bool getMenuPath(WMenu * menu, char *buffer, int bufSize)
2350 {
2351 Bool ok = True;
2352 int len = 0;
2353
2354 if (!menu->flags.titled || !menu->frame->title[0])
2355 return False;
2356
2357 len = strlen(menu->frame->title);
2358 if (len >= bufSize)
2359 return False;
2360
2361 if (menu->parent) {
2362 ok = getMenuPath(menu->parent, buffer, bufSize - len - 1);
2363 if (!ok)
2364 return False;
2365 }
2366
2367 strcat(buffer, "\\");
2368 strcat(buffer, menu->frame->title);
2369
2370 return True;
2371 }
2372
2373 static Bool saveMenuRecurs(WMPropList * menus, WScreen * scr, WMenu * menu)
2374 {
2375 WMPropList *key;
2376 int save_menus = 0, i;
2377 char buffer[512];
2378 Bool ok = True;
2379
2380 if (menu->flags.brother)
2381 menu = menu->brother;
2382
2383 if (menu->flags.buttoned && menu != scr->switch_menu) {
2384
2385 buffer[0] = '\0';
2386 ok = getMenuPath(menu, buffer, 510);
2387
2388 if (ok) {
2389 key = WMCreatePLString(buffer);
2390 saveMenuInfo(menus, menu, key);
2391 WMReleasePropList(key);
2392 save_menus = 1;
2393 }
2394 }
2395
2396 if (ok) {
2397 for (i = 0; i < menu->cascade_no; i++) {
2398 if (saveMenuRecurs(menus, scr, menu->cascades[i]))
2399 save_menus = 1;
2400 }
2401 }
2402 return save_menus;
2403 }
2404
2405 #define COMPLAIN(key) wwarning(_("bad value in menus state info: %s"), key)
2406
2407 static Bool getMenuInfo(WMPropList * info, int *x, int *y, Bool * lowered)
2408 {
2409 WMPropList *pos;
2410
2411 *lowered = False;
2412
2413 if (WMIsPLArray(info)) {
2414 WMPropList *flags;
2415 pos = WMGetFromPLArray(info, 0);
2416 flags = WMGetFromPLArray(info, 1);
2417 if (flags != NULL && WMIsPLString(flags) && WMGetFromPLString(flags) != NULL
2418 && strcmp(WMGetFromPLString(flags), "lowered") == 0) {
2419 *lowered = True;
2420 }
2421 } else {
2422 pos = info;
2423 }
2424
2425 if (pos != NULL && WMIsPLString(pos)) {
2426 if (sscanf(WMGetFromPLString(pos), "%i,%i", x, y) != 2)
2427 COMPLAIN("Position");
2428 } else {
2429 COMPLAIN("(position, flags...)");
2430 return False;
2431 }
2432
2433 return True;
2434 }
2435
2436 static int restoreMenu(WScreen * scr, WMPropList * menu, int which)
2437 {
2438 int x, y;
2439 Bool lowered = False;
2440 WMenu *pmenu = NULL;
2441
2442 if (!menu)
2443 return False;
2444
2445 if (!getMenuInfo(menu, &x, &y, &lowered))
2446 return False;
2447
2448 if (which & WSS_SWITCHMENU) {
2449 OpenSwitchMenu(scr, x, y, False);
2450 pmenu = scr->switch_menu;
2451 }
2452
2453 if (pmenu) {
2454 int width = MENUW(pmenu);
2455 int height = MENUH(pmenu);
2456 WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
2457
2458 if (lowered) {
2459 changeMenuLevels(pmenu, True);
2460 }
2461
2462 if (x < rect.pos.x - width)
2463 x = rect.pos.x;
2464 if (x > rect.pos.x + rect.size.width)
2465 x = rect.pos.x + rect.size.width - width;
2466 if (y < rect.pos.y)
2467 y = rect.pos.y;
2468 if (y > rect.pos.y + rect.size.height)
2469 y = rect.pos.y + rect.size.height - height;
2470
2471 wMenuMove(pmenu, x, y, True);
2472 pmenu->flags.buttoned = 1;
2473 wFrameWindowShowButton(pmenu->frame, WFF_RIGHT_BUTTON);
2474 return True;
2475 }
2476 return False;
2477 }
2478
2479 static int restoreMenuRecurs(WScreen * scr, WMPropList * menus, WMenu * menu, char *path)
2480 {
2481 WMPropList *key, *entry;
2482 char buffer[512];
2483 int i, x, y, res;
2484 Bool lowered;
2485
2486 if (strlen(path) + strlen(menu->frame->title) > 510)
2487 return False;
2488
2489 snprintf(buffer, sizeof(buffer), "%s\\%s", path, menu->frame->title);
2490 key = WMCreatePLString(buffer);
2491 entry = WMGetFromPLDictionary(menus, key);
2492 res = False;
2493
2494 if (entry && getMenuInfo(entry, &x, &y, &lowered)) {
2495
2496 if (!menu->flags.mapped) {
2497 int width = MENUW(menu);
2498 int height = MENUH(menu);
2499 WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
2500
2501 wMenuMapAt(menu, x, y, False);
2502
2503 if (menu->parent) {
2504 /* make parent map the copy in place of the original */
2505 for (i = 0; i < menu->parent->cascade_no; i++) {
2506 if (menu->parent->cascades[i] == menu) {
2507 menu->parent->cascades[i] = menu->brother;
2508 break;
2509 }
2510 }
2511 }
2512 if (lowered) {
2513 changeMenuLevels(menu, True);
2514 }
2515
2516 if (x < rect.pos.x - width)
2517 x = rect.pos.x;
2518 if (x > rect.pos.x + rect.size.width)
2519 x = rect.pos.x + rect.size.width - width;
2520 if (y < rect.pos.y)
2521 y = rect.pos.y;
2522 if (y > rect.pos.y + rect.size.height)
2523 y = rect.pos.y + rect.size.height - height;
2524
2525 wMenuMove(menu, x, y, True);
2526 menu->flags.buttoned = 1;
2527 wFrameWindowShowButton(menu->frame, WFF_RIGHT_BUTTON);
2528 res = True;
2529 }
2530 }
2531
2532 WMReleasePropList(key);
2533
2534 for (i = 0; i < menu->cascade_no; i++) {
2535 if (restoreMenuRecurs(scr, menus, menu->cascades[i], buffer) != False)
2536 res = True;
2537 }
2538
2539 return res;
2540 }
2541
2542 void wMenuRestoreState(WScreen * scr)
2543 {
2544 WMPropList *menus, *menu, *key, *skey;
2545
2546 if (!scr->session_state) {
2547 return;
2548 }
2549
2550 key = WMCreatePLString("Menus");
2551 menus = WMGetFromPLDictionary(scr->session_state, key);
2552 WMReleasePropList(key);
2553
2554 if (!menus)
2555 return;
2556
2557 /* restore menus */
2558
2559 skey = WMCreatePLString("SwitchMenu");
2560 menu = WMGetFromPLDictionary(menus, skey);
2561 WMReleasePropList(skey);
2562 restoreMenu(scr, menu, WSS_SWITCHMENU);
2563
2564 if (!scr->root_menu) {
2565 OpenRootMenu(scr, scr->scr_width * 2, 0, False);
2566 wMenuUnmap(scr->root_menu);
2567 }
2568 restoreMenuRecurs(scr, menus, scr->root_menu, "");
2569 }
2570
2571 void OpenWorkspaceMenu(WScreen * scr, int x, int y)
2572 {
2573 WMenu *menu, *parent;
2574 WMenuEntry *entry;
2575
2576 if (!scr->root_menu) {
2577 OpenRootMenu(scr, scr->scr_width * 2, 0, False);
2578 wMenuUnmap(scr->root_menu);
2579 }
2580
2581 menu = scr->workspace_menu;
2582 if (menu) {
2583 if (menu->flags.mapped) {
2584 if (!menu->flags.buttoned) {
2585 wMenuUnmap(menu);
2586 parent = menu->parent;
2587 if (parent && parent->selected_entry >= 0) {
2588 entry = parent->entries[parent->selected_entry];
2589 if (parent->cascades[entry->cascade] == menu) {
2590 selectEntry(parent, -1);
2591 wMenuMapAt(menu, x, y, False);
2592 }
2593 }
2594 } else {
2595 wRaiseFrame(menu->frame->core);
2596 wMenuMapCopyAt(menu, x, y);
2597 }
2598 } else {
2599 wMenuMapAt(menu, x, y, False);
2600 }
2601 }
2602 }
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