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wmaker: Added 'const' attribute to most local functions
[wmaker-crm.git] / src / menu.c
blob2cd2841bb42d2df21e16dd6a42c6317fd689d09f
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 along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 */
22
23 #include "wconfig.h"
24
25 #include <X11/Xlib.h>
26 #include <X11/Xutil.h>
27 #include <X11/keysym.h>
28 #include <stdlib.h>
29 #include <string.h>
30 #include <stdio.h>
31 #include <stdint.h>
32 #include <unistd.h>
33 #include <ctype.h>
34
35 #include "WindowMaker.h"
36 #include "wcore.h"
37 #include "framewin.h"
38 #include "menu.h"
39 #include "actions.h"
40 #include "winmenu.h"
41 #include "stacking.h"
42 #include "xinerama.h"
43 #include "workspace.h"
44 #include "dialog.h"
45 #include "rootmenu.h"
46 #include "switchmenu.h"
47
48 /****** Global Variables ******/
49
50 extern Cursor wCursor[WCUR_LAST];
51
52 extern XContext wWinContext;
53
54 extern WPreferences wPreferences;
55
56 #define MOD_MASK wPreferences.modifier_mask
57
58 #define MENU_SCROLL_STEP menuScrollParameters[(int)wPreferences.menu_scroll_speed].steps
59 #define MENU_SCROLL_DELAY menuScrollParameters[(int)wPreferences.menu_scroll_speed].delay
60
61 #define MENUW(m) ((m)->frame->core->width+2*(m)->frame->screen_ptr->frame_border_width)
62 #define MENUH(m) ((m)->frame->core->height+2*(m)->frame->screen_ptr->frame_border_width)
63
64 /***** Local Stuff ******/
65
66 #define WSS_ROOTMENU (1<<0)
67 #define WSS_SWITCHMENU (1<<1)
68 #define WSS_WSMENU (1<<2)
69
70 static struct {
71 int steps;
72 int delay;
73 } menuScrollParameters[5] = {
74 {
75 MENU_SCROLL_STEPS_UF, MENU_SCROLL_DELAY_UF}, {
76 MENU_SCROLL_STEPS_F, MENU_SCROLL_DELAY_F}, {
77 MENU_SCROLL_STEPS_M, MENU_SCROLL_DELAY_M}, {
78 MENU_SCROLL_STEPS_S, MENU_SCROLL_DELAY_S}, {
79 MENU_SCROLL_STEPS_US, MENU_SCROLL_DELAY_US}};
80
81 static void menuMouseDown(WObjDescriptor * desc, XEvent * event);
82 static void menuExpose(WObjDescriptor * desc, XEvent * event);
83 static void menuTitleDoubleClick(WCoreWindow * sender, void *data, XEvent * event);
84 static void menuTitleMouseDown(WCoreWindow * sender, void *data, XEvent * event);
85 static void menuCloseClick(WCoreWindow * sender, void *data, XEvent * event);
86 static void updateTexture(WMenu * menu);
87 static int saveMenuRecurs(WMPropList * menus, WScreen * scr, WMenu * menu);
88 static int restoreMenuRecurs(WScreen *scr, WMPropList *menus, WMenu *menu, const char *path);
89 static void selectEntry(WMenu * menu, int entry_no);
90 static void closeCascade(WMenu * menu);
91
92 /****** Notification Observers ******/
93
94 static void appearanceObserver(void *self, WMNotification * notif)
95 {
96 WMenu *menu = (WMenu *) self;
97 uintptr_t flags = (uintptr_t)WMGetNotificationClientData(notif);
98
99 if (!menu->flags.realized)
100 return;
101
102 if (WMGetNotificationName(notif) == WNMenuAppearanceSettingsChanged) {
103 if (flags & WFontSettings) {
104 menu->flags.realized = 0;
105 wMenuRealize(menu);
106 }
107 if (flags & WTextureSettings) {
108 if (!menu->flags.brother)
109 updateTexture(menu);
110 }
111 if (flags & (WTextureSettings | WColorSettings)) {
112 wMenuPaint(menu);
113 }
114 } else if (menu->flags.titled) {
115
116 if (flags & WFontSettings) {
117 menu->flags.realized = 0;
118 wMenuRealize(menu);
119 }
120 if (flags & WTextureSettings) {
121 menu->frame->flags.need_texture_remake = 1;
122 }
123 if (flags & (WColorSettings | WTextureSettings)) {
124 wFrameWindowPaint(menu->frame);
125 }
126 }
127 }
128
129 /************************************/
130
131 /*
132 *----------------------------------------------------------------------
133 * wMenuCreate--
134 * Creates a new empty menu with the specified title. If main_menu
135 * is True, the created menu will be a main menu, which has some special
136 * properties such as being placed over other normal menus.
137 * If title is NULL, the menu will have no titlebar.
138 *
139 * Returns:
140 * The created menu.
141 *----------------------------------------------------------------------
142 */
143 WMenu *wMenuCreate(WScreen * screen, char *title, int main_menu)
144 {
145 WMenu *menu;
146 static int brother = 0;
147 int tmp, flags;
148
149 menu = wmalloc(sizeof(WMenu));
150
151 #ifdef SINGLE_MENULEVEL
152 tmp = WMSubmenuLevel;
153 #else
154 tmp = (main_menu ? WMMainMenuLevel : WMSubmenuLevel);
155 #endif
156
157 flags = WFF_SINGLE_STATE | WFF_BORDER;
158 if (title) {
159 flags |= WFF_TITLEBAR | WFF_RIGHT_BUTTON;
160 menu->flags.titled = 1;
161 }
162 menu->frame =
163 wFrameWindowCreate(screen, tmp, 8, 2, 1, 1, &wPreferences.menu_title_clearance,
164 &wPreferences.menu_title_min_height,
165 &wPreferences.menu_title_max_height,
166 flags,
167 screen->menu_title_texture, NULL,
168 screen->menu_title_color, &screen->menu_title_font,
169 screen->w_depth, screen->w_visual, screen->w_colormap);
170
171 menu->frame->core->descriptor.parent = menu;
172 menu->frame->core->descriptor.parent_type = WCLASS_MENU;
173 menu->frame->core->descriptor.handle_mousedown = menuMouseDown;
174
175 wFrameWindowHideButton(menu->frame, WFF_RIGHT_BUTTON);
176
177 if (title) {
178 menu->frame->title = wstrdup(title);
179 }
180
181 menu->frame->flags.justification = WTJ_LEFT;
182
183 menu->frame->rbutton_image = screen->b_pixmaps[WBUT_CLOSE];
184
185 menu->entry_no = 0;
186 menu->alloced_entries = 0;
187 menu->selected_entry = -1;
188 menu->entries = NULL;
189
190 menu->frame_x = screen->app_menu_x;
191 menu->frame_y = screen->app_menu_y;
192
193 menu->frame->child = menu;
194
195 menu->flags.lowered = 0;
196
197 /* create borders */
198 if (title) {
199 /* setup object descriptors */
200 menu->frame->on_mousedown_titlebar = menuTitleMouseDown;
201 menu->frame->on_dblclick_titlebar = menuTitleDoubleClick;
202 }
203
204 menu->frame->on_click_right = menuCloseClick;
205
206 menu->menu = wCoreCreate(menu->frame->core, 0, menu->frame->top_width, menu->frame->core->width, 10);
207
208 menu->menu->descriptor.parent = menu;
209 menu->menu->descriptor.parent_type = WCLASS_MENU;
210 menu->menu->descriptor.handle_expose = menuExpose;
211 menu->menu->descriptor.handle_mousedown = menuMouseDown;
212
213 menu->menu_texture_data = None;
214
215 XMapWindow(dpy, menu->menu->window);
216
217 XFlush(dpy);
218
219 if (!brother) {
220 brother = 1;
221 menu->brother = wMenuCreate(screen, title, main_menu);
222 brother = 0;
223 menu->brother->flags.brother = 1;
224 menu->brother->brother = menu;
225 }
226 WMAddNotificationObserver(appearanceObserver, menu, WNMenuAppearanceSettingsChanged, menu);
227
228 WMAddNotificationObserver(appearanceObserver, menu, WNMenuTitleAppearanceSettingsChanged, menu);
229
230 return menu;
231 }
232
233 WMenu *wMenuCreateForApp(WScreen * screen, char *title, int main_menu)
234 {
235 WMenu *menu;
236
237 menu = wMenuCreate(screen, title, main_menu);
238 if (!menu)
239 return NULL;
240 menu->flags.app_menu = 1;
241 menu->brother->flags.app_menu = 1;
242
243 return menu;
244 }
245
246 static void insertEntry(WMenu * menu, WMenuEntry * entry, int index)
247 {
248 int i;
249
250 for (i = menu->entry_no - 1; i >= index; i--) {
251 menu->entries[i]->order++;
252 menu->entries[i + 1] = menu->entries[i];
253 }
254 menu->entries[index] = entry;
255 }
256
257 WMenuEntry *wMenuInsertCallback(WMenu * menu, int index, char *text,
258 void (*callback) (WMenu * menu, WMenuEntry * entry), void *clientdata)
259 {
260 WMenuEntry *entry;
261
262 menu->flags.realized = 0;
263 menu->brother->flags.realized = 0;
264
265 /* reallocate array if it's too small */
266 if (menu->entry_no >= menu->alloced_entries) {
267 void *tmp;
268
269 tmp = wrealloc(menu->entries, sizeof(WMenuEntry) * (menu->alloced_entries + 5));
270
271 menu->entries = tmp;
272 menu->alloced_entries += 5;
273
274 menu->brother->entries = tmp;
275 menu->brother->alloced_entries = menu->alloced_entries;
276 }
277 entry = wmalloc(sizeof(WMenuEntry));
278 entry->flags.enabled = 1;
279 entry->text = wstrdup(text);
280 entry->cascade = -1;
281 entry->clientdata = clientdata;
282 entry->callback = callback;
283 if (index < 0 || index >= menu->entry_no) {
284 entry->order = menu->entry_no;
285 menu->entries[menu->entry_no] = entry;
286 } else {
287 entry->order = index;
288 insertEntry(menu, entry, index);
289 }
290
291 menu->entry_no++;
292 menu->brother->entry_no = menu->entry_no;
293
294 return entry;
295 }
296
297 void wMenuEntrySetCascade(WMenu * menu, WMenuEntry * entry, WMenu * cascade)
298 {
299 WMenu *brother = menu->brother;
300 int i, done;
301
302 assert(menu->flags.brother == 0);
303
304 if (entry->cascade >= 0) {
305 menu->flags.realized = 0;
306 brother->flags.realized = 0;
307 }
308
309 cascade->parent = menu;
310
311 cascade->brother->parent = brother;
312
313 done = 0;
314 for (i = 0; i < menu->cascade_no; i++) {
315 if (menu->cascades[i] == NULL) {
316 menu->cascades[i] = cascade;
317 brother->cascades[i] = cascade->brother;
318 done = 1;
319 entry->cascade = i;
320 break;
321 }
322 }
323 if (!done) {
324 entry->cascade = menu->cascade_no;
325
326 menu->cascades = wrealloc(menu->cascades, sizeof(WMenu) * (menu->cascade_no + 1));
327 menu->cascades[menu->cascade_no++] = cascade;
328
329 brother->cascades = wrealloc(brother->cascades, sizeof(WMenu) * (brother->cascade_no + 1));
330 brother->cascades[brother->cascade_no++] = cascade->brother;
331 }
332
333 if (menu->flags.lowered) {
334
335 cascade->flags.lowered = 1;
336 ChangeStackingLevel(cascade->frame->core, WMNormalLevel);
337
338 cascade->brother->flags.lowered = 1;
339 ChangeStackingLevel(cascade->brother->frame->core, WMNormalLevel);
340 }
341
342 if (!menu->flags.realized)
343 wMenuRealize(menu);
344 }
345
346 void wMenuEntryRemoveCascade(WMenu * menu, WMenuEntry * entry)
347 {
348 assert(menu->flags.brother == 0);
349
350 /* destroy cascade menu */
351 if (entry->cascade >= 0 && menu->cascades && menu->cascades[entry->cascade] != NULL) {
352
353 wMenuDestroy(menu->cascades[entry->cascade], True);
354
355 menu->cascades[entry->cascade] = NULL;
356 menu->brother->cascades[entry->cascade] = NULL;
357
358 entry->cascade = -1;
359 }
360 }
361
362 void wMenuRemoveItem(WMenu * menu, int index)
363 {
364 int i;
365
366 if (menu->flags.brother) {
367 wMenuRemoveItem(menu->brother, index);
368 return;
369 }
370
371 if (index >= menu->entry_no)
372 return;
373
374 /* destroy cascade menu */
375 wMenuEntryRemoveCascade(menu, menu->entries[index]);
376
377 /* destroy unshared data */
378
379 if (menu->entries[index]->text)
380 wfree(menu->entries[index]->text);
381
382 if (menu->entries[index]->rtext)
383 wfree(menu->entries[index]->rtext);
384
385 if (menu->entries[index]->free_cdata && menu->entries[index]->clientdata)
386 (*menu->entries[index]->free_cdata) (menu->entries[index]->clientdata);
387
388 wfree(menu->entries[index]);
389
390 for (i = index; i < menu->entry_no - 1; i++) {
391 menu->entries[i + 1]->order--;
392 menu->entries[i] = menu->entries[i + 1];
393 }
394 menu->entry_no--;
395 menu->brother->entry_no--;
396 }
397
398 static Pixmap renderTexture(WMenu * menu)
399 {
400 RImage *img;
401 Pixmap pix;
402 int i;
403 RColor light;
404 RColor dark;
405 RColor mid;
406 WScreen *scr = menu->menu->screen_ptr;
407 WTexture *texture = scr->menu_item_texture;
408
409 if (wPreferences.menu_style == MS_NORMAL) {
410 img = wTextureRenderImage(texture, menu->menu->width, menu->entry_height, WREL_MENUENTRY);
411 } else {
412 img = wTextureRenderImage(texture, menu->menu->width, menu->menu->height + 1, WREL_MENUENTRY);
413 }
414 if (!img) {
415 wwarning(_("could not render texture: %s"), RMessageForError(RErrorCode));
416
417 return None;
418 }
419
420 if (wPreferences.menu_style == MS_SINGLE_TEXTURE) {
421 light.alpha = 0;
422 light.red = light.green = light.blue = 80;
423
424 dark.alpha = 255;
425 dark.red = dark.green = dark.blue = 0;
426
427 mid.alpha = 0;
428 mid.red = mid.green = mid.blue = 40;
429
430 for (i = 1; i < menu->entry_no; i++) {
431 ROperateLine(img, RSubtractOperation, 0, i * menu->entry_height - 2,
432 menu->menu->width - 1, i * menu->entry_height - 2, &mid);
433
434 RDrawLine(img, 0, i * menu->entry_height - 1,
435 menu->menu->width - 1, i * menu->entry_height - 1, &dark);
436
437 ROperateLine(img, RAddOperation, 0, i * menu->entry_height,
438 menu->menu->width - 1, i * menu->entry_height, &light);
439 }
440 }
441 if (!RConvertImage(scr->rcontext, img, &pix)) {
442 wwarning(_("error rendering image:%s"), RMessageForError(RErrorCode));
443 }
444 RReleaseImage(img);
445
446 return pix;
447 }
448
449 static void updateTexture(WMenu * menu)
450 {
451 WScreen *scr = menu->menu->screen_ptr;
452
453 /* setup background texture */
454 if (scr->menu_item_texture->any.type != WTEX_SOLID) {
455 if (!menu->flags.brother) {
456 FREE_PIXMAP(menu->menu_texture_data);
457
458 menu->menu_texture_data = renderTexture(menu);
459
460 XSetWindowBackgroundPixmap(dpy, menu->menu->window, menu->menu_texture_data);
461 XClearWindow(dpy, menu->menu->window);
462
463 XSetWindowBackgroundPixmap(dpy, menu->brother->menu->window, menu->menu_texture_data);
464 XClearWindow(dpy, menu->brother->menu->window);
465 }
466 } else {
467 XSetWindowBackground(dpy, menu->menu->window, scr->menu_item_texture->any.color.pixel);
468 XClearWindow(dpy, menu->menu->window);
469 }
470 }
471
472 void wMenuRealize(WMenu * menu)
473 {
474 int i;
475 int width, rwidth, mrwidth, mwidth;
476 int theight, twidth, eheight;
477 WScreen *scr = menu->frame->screen_ptr;
478 static int brother_done = 0;
479 int flags;
480
481 if (!brother_done) {
482 brother_done = 1;
483 wMenuRealize(menu->brother);
484 brother_done = 0;
485 }
486
487 flags = WFF_SINGLE_STATE | WFF_BORDER;
488 if (menu->flags.titled)
489 flags |= WFF_TITLEBAR | WFF_RIGHT_BUTTON;
490
491 wFrameWindowUpdateBorders(menu->frame, flags);
492
493 if (menu->flags.titled) {
494 twidth = WMWidthOfString(scr->menu_title_font, menu->frame->title, strlen(menu->frame->title));
495 theight = menu->frame->top_width;
496 twidth += theight + (wPreferences.new_style == TS_NEW ? 16 : 8);
497 } else {
498 twidth = 0;
499 theight = 0;
500 }
501 eheight = WMFontHeight(scr->menu_entry_font) + 6 + wPreferences.menu_text_clearance * 2;
502 menu->entry_height = eheight;
503 mrwidth = 0;
504 mwidth = 0;
505 for (i = 0; i < menu->entry_no; i++) {
506 char *text;
507
508 /* search widest text */
509 text = menu->entries[i]->text;
510 width = WMWidthOfString(scr->menu_entry_font, text, strlen(text)) + 10;
511
512 if (menu->entries[i]->flags.indicator) {
513 width += MENU_INDICATOR_SPACE;
514 }
515
516 if (width > mwidth)
517 mwidth = width;
518
519 /* search widest text on right */
520 text = menu->entries[i]->rtext;
521 if (text)
522 rwidth = WMWidthOfString(scr->menu_entry_font, text, strlen(text))
523 + 10;
524 else if (menu->entries[i]->cascade >= 0)
525 rwidth = 16;
526 else
527 rwidth = 4;
528
529 if (rwidth > mrwidth)
530 mrwidth = rwidth;
531 }
532 mwidth += mrwidth;
533
534 if (mwidth < twidth)
535 mwidth = twidth;
536
537 wCoreConfigure(menu->menu, 0, theight, mwidth, menu->entry_no * eheight - 1);
538
539 wFrameWindowResize(menu->frame, mwidth, menu->entry_no * eheight - 1
540 + menu->frame->top_width + menu->frame->bottom_width);
541
542 updateTexture(menu);
543
544 menu->flags.realized = 1;
545
546 if (menu->flags.mapped)
547 wMenuPaint(menu);
548 if (menu->brother->flags.mapped)
549 wMenuPaint(menu->brother);
550 }
551
552 void wMenuDestroy(WMenu * menu, int recurse)
553 {
554 int i;
555
556 WMRemoveNotificationObserver(menu);
557
558 /* remove any pending timers */
559 if (menu->timer)
560 WMDeleteTimerHandler(menu->timer);
561 menu->timer = NULL;
562
563 /* call destroy handler */
564 if (menu->on_destroy)
565 (*menu->on_destroy) (menu);
566
567 /* Destroy items if this menu own them. If this is the "brother" menu,
568 * leave them alone as it is shared by them.
569 */
570 if (!menu->flags.brother) {
571 for (i = 0; i < menu->entry_no; i++) {
572
573 wfree(menu->entries[i]->text);
574
575 if (menu->entries[i]->rtext)
576 wfree(menu->entries[i]->rtext);
577 #ifdef USER_MENU
578
579 if (menu->entries[i]->instances) {
580 WMReleasePropList(menu->entries[i]->instances);
581 }
582 #endif /* USER_MENU */
583
584 if (menu->entries[i]->free_cdata && menu->entries[i]->clientdata) {
585 (*menu->entries[i]->free_cdata) (menu->entries[i]->clientdata);
586 }
587 wfree(menu->entries[i]);
588 }
589
590 if (recurse) {
591 for (i = 0; i < menu->cascade_no; i++) {
592 if (menu->cascades[i]) {
593 if (menu->cascades[i]->flags.brother)
594 wMenuDestroy(menu->cascades[i]->brother, recurse);
595 else
596 wMenuDestroy(menu->cascades[i], recurse);
597 }
598 }
599 }
600
601 if (menu->entries)
602 wfree(menu->entries);
603
604 }
605
606 FREE_PIXMAP(menu->menu_texture_data);
607
608 if (menu->cascades)
609 wfree(menu->cascades);
610
611 wCoreDestroy(menu->menu);
612 wFrameWindowDestroy(menu->frame);
613
614 /* destroy copy of this menu */
615 if (!menu->flags.brother && menu->brother)
616 wMenuDestroy(menu->brother, False);
617
618 wfree(menu);
619 }
620
621 #define F_NORMAL 0
622 #define F_TOP 1
623 #define F_BOTTOM 2
624 #define F_NONE 3
625
626 static void drawFrame(WScreen * scr, Drawable win, int y, int w, int h, int type)
627 {
628 XSegment segs[2];
629 int i;
630
631 i = 0;
632 segs[i].x1 = segs[i].x2 = w - 1;
633 segs[i].y1 = y;
634 segs[i].y2 = y + h - 1;
635 i++;
636 if (type != F_TOP && type != F_NONE) {
637 segs[i].x1 = 1;
638 segs[i].y1 = segs[i].y2 = y + h - 2;
639 segs[i].x2 = w - 1;
640 i++;
641 }
642 XDrawSegments(dpy, win, scr->menu_item_auxtexture->dim_gc, segs, i);
643
644 i = 0;
645 segs[i].x1 = 0;
646 segs[i].y1 = y;
647 segs[i].x2 = 0;
648 segs[i].y2 = y + h - 1;
649 i++;
650 if (type != F_BOTTOM && type != F_NONE) {
651 segs[i].x1 = 0;
652 segs[i].y1 = y;
653 segs[i].x2 = w - 1;
654 segs[i].y2 = y;
655 i++;
656 }
657 XDrawSegments(dpy, win, scr->menu_item_auxtexture->light_gc, segs, i);
658
659 if (type != F_TOP && type != F_NONE)
660 XDrawLine(dpy, win, scr->menu_item_auxtexture->dark_gc, 0, y + h - 1, w - 1, y + h - 1);
661 }
662
663 static void paintEntry(WMenu * menu, int index, int selected)
664 {
665 WScreen *scr = menu->frame->screen_ptr;
666 Window win = menu->menu->window;
667 WMenuEntry *entry = menu->entries[index];
668 GC light, dim, dark;
669 WMColor *color;
670 int x, y, w, h, tw;
671 int type;
672
673 if (!menu->flags.realized)
674 return;
675 h = menu->entry_height;
676 w = menu->menu->width;
677 y = index * h;
678
679 light = scr->menu_item_auxtexture->light_gc;
680 dim = scr->menu_item_auxtexture->dim_gc;
681 dark = scr->menu_item_auxtexture->dark_gc;
682
683 if (wPreferences.menu_style == MS_FLAT && menu->entry_no > 1) {
684 if (index == 0)
685 type = F_TOP;
686 else if (index == menu->entry_no - 1)
687 type = F_BOTTOM;
688 else
689 type = F_NONE;
690 } else {
691 type = F_NORMAL;
692 }
693
694 /* paint background */
695 if (selected) {
696 XFillRectangle(dpy, win, WMColorGC(scr->select_color), 1, y + 1, w - 2, h - 3);
697 if (scr->menu_item_texture->any.type == WTEX_SOLID)
698 drawFrame(scr, win, y, w, h, type);
699 } else {
700 if (scr->menu_item_texture->any.type == WTEX_SOLID) {
701 XClearArea(dpy, win, 0, y + 1, w - 1, h - 3, False);
702 /* draw the frame */
703 drawFrame(scr, win, y, w, h, type);
704 } else {
705 XClearArea(dpy, win, 0, y, w, h, False);
706 }
707 }
708
709 if (selected) {
710 if (entry->flags.enabled)
711 color = scr->select_text_color;
712 else
713 color = scr->dtext_color;
714 } else if (!entry->flags.enabled) {
715 color = scr->dtext_color;
716 } else {
717 color = scr->mtext_color;
718 }
719 /* draw text */
720 x = 5;
721 if (entry->flags.indicator)
722 x += MENU_INDICATOR_SPACE + 2;
723
724 WMDrawString(scr->wmscreen, win, color, scr->menu_entry_font,
725 x, 3 + y + wPreferences.menu_text_clearance, entry->text, strlen(entry->text));
726
727 if (entry->cascade >= 0) {
728 /* draw the cascade indicator */
729 XDrawLine(dpy, win, dim, w - 11, y + 6, w - 6, y + h / 2 - 1);
730 XDrawLine(dpy, win, light, w - 11, y + h - 8, w - 6, y + h / 2 - 1);
731 XDrawLine(dpy, win, dark, w - 12, y + 6, w - 12, y + h - 8);
732 }
733
734 /* draw indicator */
735 if (entry->flags.indicator && entry->flags.indicator_on) {
736 int iw, ih;
737 WPixmap *indicator;
738
739 switch (entry->flags.indicator_type) {
740 case MI_CHECK:
741 indicator = scr->menu_check_indicator;
742 break;
743 case MI_MINIWINDOW:
744 indicator = scr->menu_mini_indicator;
745 break;
746 case MI_HIDDEN:
747 indicator = scr->menu_hide_indicator;
748 break;
749 case MI_SHADED:
750 indicator = scr->menu_shade_indicator;
751 break;
752 case MI_DIAMOND:
753 default:
754 indicator = scr->menu_radio_indicator;
755 break;
756 }
757
758 iw = indicator->width;
759 ih = indicator->height;
760 XSetClipMask(dpy, scr->copy_gc, indicator->mask);
761 XSetClipOrigin(dpy, scr->copy_gc, 5, y + (h - ih) / 2);
762 if (selected) {
763 if (entry->flags.enabled) {
764 XSetForeground(dpy, scr->copy_gc, WMColorPixel(scr->select_text_color));
765 } else {
766 XSetForeground(dpy, scr->copy_gc, WMColorPixel(scr->dtext_color));
767 }
768 } else {
769 if (entry->flags.enabled) {
770 XSetForeground(dpy, scr->copy_gc, WMColorPixel(scr->mtext_color));
771 } else {
772 XSetForeground(dpy, scr->copy_gc, WMColorPixel(scr->dtext_color));
773 }
774 }
775 XFillRectangle(dpy, win, scr->copy_gc, 5, y + (h - ih) / 2, iw, ih);
776 /*
777 XCopyArea(dpy, indicator->image, win, scr->copy_gc, 0, 0,
778 iw, ih, 5, y+(h-ih)/2);
779 */
780 XSetClipOrigin(dpy, scr->copy_gc, 0, 0);
781 }
782
783 /* draw right text */
784
785 if (entry->rtext && entry->cascade < 0) {
786 tw = WMWidthOfString(scr->menu_entry_font, entry->rtext, strlen(entry->rtext));
787
788 WMDrawString(scr->wmscreen, win, color, scr->menu_entry_font, w - 6 - tw,
789 y + 3 + wPreferences.menu_text_clearance, entry->rtext, strlen(entry->rtext));
790 }
791 }
792
793 static void move_menus(WMenu * menu, int x, int y)
794 {
795 while (menu->parent) {
796 menu = menu->parent;
797 x -= MENUW(menu);
798 if (!wPreferences.align_menus && menu->selected_entry >= 0) {
799 y -= menu->selected_entry * menu->entry_height;
800 }
801 }
802 wMenuMove(menu, x, y, True);
803 }
804
805 static void makeVisible(WMenu * menu)
806 {
807 WScreen *scr = menu->frame->screen_ptr;
808 int x1, y1, x2, y2, new_x, new_y;
809 WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
810
811 if (menu->entry_no < 0)
812 return;
813
814 x1 = menu->frame_x;
815 y1 = menu->frame_y + menu->frame->top_width + menu->selected_entry * menu->entry_height;
816 x2 = x1 + MENUW(menu);
817 y2 = y1 + menu->entry_height;
818
819 new_x = x1;
820 new_y = y1;
821
822 if (x1 < rect.pos.x) {
823 new_x = rect.pos.x;
824 } else if (x2 >= rect.pos.x + rect.size.width) {
825 new_x = rect.pos.x + rect.size.width - MENUW(menu) - 1;
826 }
827
828 if (y1 < rect.pos.y) {
829 new_y = rect.pos.y;
830 } else if (y2 >= rect.pos.y + rect.size.height) {
831 new_y = rect.pos.y + rect.size.height - menu->entry_height - 1;
832 }
833
834 new_y = new_y - menu->frame->top_width - menu->selected_entry * menu->entry_height;
835 move_menus(menu, new_x, new_y);
836 }
837
838 static int check_key(WMenu * menu, XKeyEvent * event)
839 {
840 int i, ch, s;
841 char buffer[32];
842
843 if (XLookupString(event, buffer, 32, NULL, NULL) < 1)
844 return -1;
845
846 ch = toupper(buffer[0]);
847
848 s = (menu->selected_entry >= 0 ? menu->selected_entry + 1 : 0);
849
850 again:
851 for (i = s; i < menu->entry_no; i++) {
852 if (ch == toupper(menu->entries[i]->text[0])) {
853 return i;
854 }
855 }
856 /* no match. Retry from start, if previous started from a selected entry */
857 if (s != 0) {
858 s = 0;
859 goto again;
860 }
861 return -1;
862 }
863
864 static int keyboardMenu(WMenu * menu)
865 {
866 XEvent event;
867 KeySym ksym = NoSymbol;
868 int done = 0;
869 int index;
870 WMenuEntry *entry;
871 int old_pos_x = menu->frame_x;
872 int old_pos_y = menu->frame_y;
873 int new_x = old_pos_x, new_y = old_pos_y;
874 WMRect rect = wGetRectForHead(menu->frame->screen_ptr,
875 wGetHeadForPointerLocation(menu->frame->screen_ptr));
876
877 if (menu->flags.editing)
878 return False;
879
880 XGrabKeyboard(dpy, menu->frame->core->window, True, GrabModeAsync, GrabModeAsync, CurrentTime);
881
882 if (menu->frame_y + menu->frame->top_width >= rect.pos.y + rect.size.height)
883 new_y = rect.pos.y + rect.size.height - menu->frame->top_width;
884
885 if (menu->frame_x + MENUW(menu) >= rect.pos.x + rect.size.width)
886 new_x = rect.pos.x + rect.size.width - MENUW(menu) - 1;
887
888 move_menus(menu, new_x, new_y);
889
890 while (!done && menu->flags.mapped) {
891 XAllowEvents(dpy, AsyncKeyboard, CurrentTime);
892 WMMaskEvent(dpy, ExposureMask | ButtonMotionMask | ButtonPressMask
893 | ButtonReleaseMask | KeyPressMask | KeyReleaseMask | SubstructureNotifyMask, &event);
894
895 switch (event.type) {
896 case KeyPress:
897 ksym = XLookupKeysym(&event.xkey, 0);
898 if (wPreferences.vi_key_menus) {
899 switch (ksym) {
900 case XK_h:
901 ksym = XK_Left;
902 break;
903
904 case XK_j:
905 ksym = XK_Down;
906 break;
907
908 case XK_k:
909 ksym = XK_Up;
910 break;
911
912 case XK_l:
913 ksym = XK_Right;
914 break;
915
916 }
917 }
918 switch (ksym) {
919 case XK_Escape:
920 done = 1;
921 break;
922
923 case XK_Home:
924 #ifdef XK_KP_Home
925 case XK_KP_Home:
926 #endif
927 selectEntry(menu, 0);
928 makeVisible(menu);
929 break;
930
931 case XK_End:
932 #ifdef XK_KP_End
933 case XK_KP_End:
934 #endif
935 selectEntry(menu, menu->entry_no - 1);
936 makeVisible(menu);
937 break;
938
939 case XK_Up:
940 #ifdef XK_KP_Up
941 case XK_KP_Up:
942 #endif
943 if (menu->selected_entry <= 0)
944 selectEntry(menu, menu->entry_no - 1);
945 else
946 selectEntry(menu, menu->selected_entry - 1);
947 makeVisible(menu);
948 break;
949
950 case XK_Down:
951 #ifdef XK_KP_Down
952 case XK_KP_Down:
953 #endif
954 if (menu->selected_entry < 0)
955 selectEntry(menu, 0);
956 else if (menu->selected_entry == menu->entry_no - 1)
957 selectEntry(menu, 0);
958 else if (menu->selected_entry < menu->entry_no - 1)
959 selectEntry(menu, menu->selected_entry + 1);
960 makeVisible(menu);
961 break;
962
963 case XK_Right:
964 #ifdef XK_KP_Right
965 case XK_KP_Right:
966 #endif
967 if (menu->selected_entry >= 0) {
968 WMenuEntry *entry;
969 entry = menu->entries[menu->selected_entry];
970
971 if (entry->cascade >= 0 && menu->cascades
972 && menu->cascades[entry->cascade]->entry_no > 0) {
973
974 XUngrabKeyboard(dpy, CurrentTime);
975
976 selectEntry(menu->cascades[entry->cascade], 0);
977 if (!keyboardMenu(menu->cascades[entry->cascade]))
978 done = 1;
979
980 XGrabKeyboard(dpy, menu->frame->core->window, True,
981 GrabModeAsync, GrabModeAsync, CurrentTime);
982 }
983 }
984 break;
985
986 case XK_Left:
987 #ifdef XK_KP_Left
988 case XK_KP_Left:
989 #endif
990 if (menu->parent != NULL && menu->parent->selected_entry >= 0) {
991 selectEntry(menu, -1);
992 move_menus(menu, old_pos_x, old_pos_y);
993 return True;
994 }
995 break;
996
997 case XK_Return:
998 #ifdef XK_KP_Enter
999 case XK_KP_Enter:
1000 #endif
1001 done = 2;
1002 break;
1003
1004 default:
1005 index = check_key(menu, &event.xkey);
1006 if (index >= 0) {
1007 selectEntry(menu, index);
1008 }
1009 }
1010 break;
1011
1012 default:
1013 if (event.type == ButtonPress)
1014 done = 1;
1015
1016 WMHandleEvent(&event);
1017 }
1018 }
1019
1020 XUngrabKeyboard(dpy, CurrentTime);
1021
1022 if (done == 2 && menu->selected_entry >= 0) {
1023 entry = menu->entries[menu->selected_entry];
1024 } else {
1025 entry = NULL;
1026 }
1027
1028 if (entry && entry->callback != NULL && entry->flags.enabled && entry->cascade < 0) {
1029 #if (MENU_BLINK_COUNT > 0)
1030 int sel = menu->selected_entry;
1031 int i;
1032
1033 for (i = 0; i < MENU_BLINK_COUNT; i++) {
1034 paintEntry(menu, sel, False);
1035 XSync(dpy, 0);
1036 wusleep(MENU_BLINK_DELAY);
1037 paintEntry(menu, sel, True);
1038 XSync(dpy, 0);
1039 wusleep(MENU_BLINK_DELAY);
1040 }
1041 #endif
1042 selectEntry(menu, -1);
1043
1044 if (!menu->flags.buttoned) {
1045 wMenuUnmap(menu);
1046 move_menus(menu, old_pos_x, old_pos_y);
1047 }
1048 closeCascade(menu);
1049
1050 (*entry->callback) (menu, entry);
1051 } else {
1052 if (!menu->flags.buttoned) {
1053 wMenuUnmap(menu);
1054 move_menus(menu, old_pos_x, old_pos_y);
1055 }
1056 selectEntry(menu, -1);
1057 }
1058
1059 /* returns True if returning from a submenu to a parent menu,
1060 * False if exiting from menu */
1061 return False;
1062 }
1063
1064 void wMenuMapAt(WMenu * menu, int x, int y, int keyboard)
1065 {
1066 if (!menu->flags.realized) {
1067 menu->flags.realized = 1;
1068 wMenuRealize(menu);
1069 }
1070
1071 if (!menu->flags.mapped) {
1072 if (wPreferences.wrap_menus) {
1073 WScreen *scr = menu->frame->screen_ptr;
1074 WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
1075
1076 if (x < rect.pos.x)
1077 x = rect.pos.x;
1078 if (y < rect.pos.y)
1079 y = rect.pos.y;
1080 if (x + MENUW(menu) > rect.pos.x + rect.size.width)
1081 x = rect.pos.x + rect.size.width - MENUW(menu);
1082 if (y + MENUH(menu) > rect.pos.y + rect.size.height)
1083 y = rect.pos.y + rect.size.height - MENUH(menu);
1084 }
1085
1086 XMoveWindow(dpy, menu->frame->core->window, x, y);
1087 menu->frame_x = x;
1088 menu->frame_y = y;
1089 XMapWindow(dpy, menu->frame->core->window);
1090 wRaiseFrame(menu->frame->core);
1091 menu->flags.mapped = 1;
1092 } else {
1093 selectEntry(menu, 0);
1094 }
1095
1096 if (keyboard)
1097 keyboardMenu(menu);
1098 }
1099
1100 void wMenuMap(WMenu * menu)
1101 {
1102 if (!menu->flags.realized) {
1103 menu->flags.realized = 1;
1104 wMenuRealize(menu);
1105 }
1106 if (menu->flags.app_menu && menu->parent == NULL) {
1107 menu->frame_x = menu->frame->screen_ptr->app_menu_x;
1108 menu->frame_y = menu->frame->screen_ptr->app_menu_y;
1109 XMoveWindow(dpy, menu->frame->core->window, menu->frame_x, menu->frame_y);
1110 }
1111 XMapWindow(dpy, menu->frame->core->window);
1112 wRaiseFrame(menu->frame->core);
1113 menu->flags.mapped = 1;
1114 }
1115
1116 void wMenuUnmap(WMenu * menu)
1117 {
1118 int i;
1119
1120 XUnmapWindow(dpy, menu->frame->core->window);
1121 if (menu->flags.titled && menu->flags.buttoned) {
1122 wFrameWindowHideButton(menu->frame, WFF_RIGHT_BUTTON);
1123 }
1124 menu->flags.buttoned = 0;
1125 menu->flags.mapped = 0;
1126 menu->flags.open_to_left = 0;
1127
1128 for (i = 0; i < menu->cascade_no; i++) {
1129 if (menu->cascades[i] != NULL
1130 && menu->cascades[i]->flags.mapped && !menu->cascades[i]->flags.buttoned) {
1131
1132 wMenuUnmap(menu->cascades[i]);
1133 }
1134 }
1135 menu->selected_entry = -1;
1136 }
1137
1138 void wMenuPaint(WMenu * menu)
1139 {
1140 int i;
1141
1142 if (!menu->flags.mapped) {
1143 return;
1144 }
1145
1146 /* paint entries */
1147 for (i = 0; i < menu->entry_no; i++) {
1148 paintEntry(menu, i, i == menu->selected_entry);
1149 }
1150 }
1151
1152 void wMenuSetEnabled(WMenu * menu, int index, int enable)
1153 {
1154 if (index >= menu->entry_no)
1155 return;
1156 menu->entries[index]->flags.enabled = enable;
1157 paintEntry(menu, index, index == menu->selected_entry);
1158 paintEntry(menu->brother, index, index == menu->selected_entry);
1159 }
1160
1161
1162 static void selectEntry(WMenu * menu, int entry_no)
1163 {
1164 WMenuEntry *entry;
1165 WMenu *submenu;
1166 int old_entry;
1167
1168 if (menu->entries == NULL)
1169 return;
1170
1171 if (entry_no >= menu->entry_no)
1172 return;
1173
1174 old_entry = menu->selected_entry;
1175 menu->selected_entry = entry_no;
1176
1177 if (old_entry != entry_no) {
1178
1179 /* unselect previous entry */
1180 if (old_entry >= 0) {
1181 paintEntry(menu, old_entry, False);
1182 entry = menu->entries[old_entry];
1183
1184 /* unmap cascade */
1185 if (entry->cascade >= 0 && menu->cascades) {
1186 if (!menu->cascades[entry->cascade]->flags.buttoned) {
1187 wMenuUnmap(menu->cascades[entry->cascade]);
1188 }
1189 }
1190 }
1191
1192 if (entry_no < 0) {
1193 menu->selected_entry = -1;
1194 return;
1195 }
1196 entry = menu->entries[entry_no];
1197
1198 if (entry->cascade >= 0 && menu->cascades && entry->flags.enabled) {
1199 /* Callback for when the submenu is opened.
1200 */
1201 submenu = menu->cascades[entry->cascade];
1202 if (submenu && submenu->flags.brother)
1203 submenu = submenu->brother;
1204
1205 if (entry->callback) {
1206 /* Only call the callback if the submenu is not yet mapped.
1207 */
1208 if (menu->flags.brother) {
1209 if (!submenu || !submenu->flags.mapped)
1210 (*entry->callback) (menu->brother, entry);
1211 } else {
1212 if (!submenu || !submenu->flags.buttoned)
1213 (*entry->callback) (menu, entry);
1214 }
1215 }
1216
1217 /* the submenu menu might have changed */
1218 submenu = menu->cascades[entry->cascade];
1219
1220 /* map cascade */
1221 if (!submenu->flags.mapped) {
1222 int x, y;
1223
1224 if (!submenu->flags.realized)
1225 wMenuRealize(submenu);
1226 if (wPreferences.wrap_menus) {
1227 if (menu->flags.open_to_left)
1228 submenu->flags.open_to_left = 1;
1229
1230 if (submenu->flags.open_to_left) {
1231 x = menu->frame_x - MENUW(submenu);
1232 if (x < 0) {
1233 x = 0;
1234 submenu->flags.open_to_left = 0;
1235 }
1236 } else {
1237 x = menu->frame_x + MENUW(menu);
1238
1239 if (x + MENUW(submenu)
1240 >= menu->frame->screen_ptr->scr_width) {
1241
1242 x = menu->frame_x - MENUW(submenu);
1243 submenu->flags.open_to_left = 1;
1244 }
1245 }
1246 } else {
1247 x = menu->frame_x + MENUW(menu);
1248 }
1249
1250 if (wPreferences.align_menus) {
1251 y = menu->frame_y;
1252 } else {
1253 y = menu->frame_y + menu->entry_height * entry_no;
1254 if (menu->flags.titled)
1255 y += menu->frame->top_width;
1256 if (menu->cascades[entry->cascade]->flags.titled)
1257 y -= menu->cascades[entry->cascade]->frame->top_width;
1258 }
1259
1260 wMenuMapAt(menu->cascades[entry->cascade], x, y, False);
1261 menu->cascades[entry->cascade]->parent = menu;
1262 } else {
1263 return;
1264 }
1265 }
1266 paintEntry(menu, entry_no, True);
1267 }
1268 }
1269
1270 static WMenu *findMenu(WScreen * scr, int *x_ret, int *y_ret)
1271 {
1272 WMenu *menu;
1273 WObjDescriptor *desc;
1274 Window root_ret, win, junk_win;
1275 int x, y, wx, wy;
1276 unsigned int mask;
1277
1278 XQueryPointer(dpy, scr->root_win, &root_ret, &win, &x, &y, &wx, &wy, &mask);
1279
1280 if (win == None)
1281 return NULL;
1282
1283 if (XFindContext(dpy, win, wWinContext, (XPointer *) & desc) == XCNOENT)
1284 return NULL;
1285
1286 if (desc->parent_type == WCLASS_MENU) {
1287 menu = (WMenu *) desc->parent;
1288 XTranslateCoordinates(dpy, root_ret, menu->menu->window, wx, wy, x_ret, y_ret, &junk_win);
1289 return menu;
1290 }
1291 return NULL;
1292 }
1293
1294 static void closeCascade(WMenu * menu)
1295 {
1296 WMenu *parent = menu->parent;
1297
1298 if (menu->flags.brother || (!menu->flags.buttoned && (!menu->flags.app_menu || menu->parent != NULL))) {
1299
1300 selectEntry(menu, -1);
1301 XSync(dpy, 0);
1302 #if (MENU_BLINK_DELAY > 2)
1303 wusleep(MENU_BLINK_DELAY / 2);
1304 #endif
1305 wMenuUnmap(menu);
1306 while (parent != NULL
1307 && (parent->parent != NULL || !parent->flags.app_menu || parent->flags.brother)
1308 && !parent->flags.buttoned) {
1309 selectEntry(parent, -1);
1310 wMenuUnmap(parent);
1311 parent = parent->parent;
1312 }
1313 if (parent)
1314 selectEntry(parent, -1);
1315 }
1316 }
1317
1318 static void closeBrotherCascadesOf(WMenu * menu)
1319 {
1320 WMenu *tmp;
1321 int i;
1322
1323 for (i = 0; i < menu->cascade_no; i++) {
1324 if (menu->cascades[i]->flags.brother) {
1325 tmp = menu->cascades[i];
1326 } else {
1327 tmp = menu->cascades[i]->brother;
1328 }
1329 if (tmp->flags.mapped) {
1330 selectEntry(tmp->parent, -1);
1331 closeBrotherCascadesOf(tmp);
1332 break;
1333 }
1334 }
1335 }
1336
1337 #define getEntryAt(menu, x, y) ((y)<0 ? -1 : (y)/(menu->entry_height))
1338
1339 static WMenu *parentMenu(WMenu * menu)
1340 {
1341 WMenu *parent;
1342 WMenuEntry *entry;
1343
1344 if (menu->flags.buttoned)
1345 return menu;
1346
1347 while (menu->parent && menu->parent->flags.mapped) {
1348 parent = menu->parent;
1349 if (parent->selected_entry < 0)
1350 break;
1351 entry = parent->entries[parent->selected_entry];
1352 if (!entry->flags.enabled || entry->cascade < 0 || !parent->cascades ||
1353 parent->cascades[entry->cascade] != menu)
1354 break;
1355 menu = parent;
1356 if (menu->flags.buttoned)
1357 break;
1358 }
1359
1360 return menu;
1361 }
1362
1363 /*
1364 * Will raise the passed menu, if submenu = 0
1365 * If submenu > 0 will also raise all mapped submenus
1366 * until the first buttoned one
1367 * If submenu < 0 will also raise all mapped parent menus
1368 * until the first buttoned one
1369 */
1370
1371 static void raiseMenus(WMenu * menu, int submenus)
1372 {
1373 WMenu *submenu;
1374 int i;
1375
1376 if (!menu)
1377 return;
1378
1379 wRaiseFrame(menu->frame->core);
1380
1381 if (submenus > 0 && menu->selected_entry >= 0) {
1382 i = menu->entries[menu->selected_entry]->cascade;
1383 if (i >= 0 && menu->cascades) {
1384 submenu = menu->cascades[i];
1385 if (submenu->flags.mapped && !submenu->flags.buttoned)
1386 raiseMenus(submenu, submenus);
1387 }
1388 }
1389 if (submenus < 0 && !menu->flags.buttoned && menu->parent && menu->parent->flags.mapped)
1390 raiseMenus(menu->parent, submenus);
1391 }
1392
1393 WMenu *wMenuUnderPointer(WScreen * screen)
1394 {
1395 WObjDescriptor *desc;
1396 Window root_ret, win;
1397 int dummy;
1398 unsigned int mask;
1399
1400 XQueryPointer(dpy, screen->root_win, &root_ret, &win, &dummy, &dummy, &dummy, &dummy, &mask);
1401
1402 if (win == None)
1403 return NULL;
1404
1405 if (XFindContext(dpy, win, wWinContext, (XPointer *) & desc) == XCNOENT)
1406 return NULL;
1407
1408 if (desc->parent_type == WCLASS_MENU)
1409 return (WMenu *) desc->parent;
1410 return NULL;
1411 }
1412
1413 static void getPointerPosition(WScreen * scr, int *x, int *y)
1414 {
1415 Window root_ret, win;
1416 int wx, wy;
1417 unsigned int mask;
1418
1419 XQueryPointer(dpy, scr->root_win, &root_ret, &win, x, y, &wx, &wy, &mask);
1420 }
1421
1422 static void getScrollAmount(WMenu * menu, int *hamount, int *vamount)
1423 {
1424 WScreen *scr = menu->menu->screen_ptr;
1425 int menuX1 = menu->frame_x;
1426 int menuY1 = menu->frame_y;
1427 int menuX2 = menu->frame_x + MENUW(menu);
1428 int menuY2 = menu->frame_y + MENUH(menu);
1429 int xroot, yroot;
1430 WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
1431
1432 *hamount = 0;
1433 *vamount = 0;
1434
1435 getPointerPosition(scr, &xroot, &yroot);
1436
1437 if (xroot <= (rect.pos.x + 1) && menuX1 < rect.pos.x) {
1438 /* scroll to the right */
1439 *hamount = WMIN(MENU_SCROLL_STEP, abs(menuX1));
1440
1441 } else if (xroot >= (rect.pos.x + rect.size.width - 2) && menuX2 > (rect.pos.x + rect.size.width - 1)) {
1442 /* scroll to the left */
1443 *hamount = WMIN(MENU_SCROLL_STEP, abs(menuX2 - rect.pos.x - rect.size.width - 1));
1444
1445 if (*hamount == 0)
1446 *hamount = 1;
1447
1448 *hamount = -*hamount;
1449 }
1450
1451 if (yroot <= (rect.pos.y + 1) && menuY1 < rect.pos.y) {
1452 /* scroll down */
1453 *vamount = WMIN(MENU_SCROLL_STEP, abs(menuY1));
1454
1455 } else if (yroot >= (rect.pos.y + rect.size.height - 2) && menuY2 > (rect.pos.y + rect.size.height - 1)) {
1456 /* scroll up */
1457 *vamount = WMIN(MENU_SCROLL_STEP, abs(menuY2 - rect.pos.y - rect.size.height - 2));
1458
1459 *vamount = -*vamount;
1460 }
1461 }
1462
1463 static void dragScrollMenuCallback(void *data)
1464 {
1465 WMenu *menu = (WMenu *) data;
1466 WScreen *scr = menu->menu->screen_ptr;
1467 WMenu *parent = parentMenu(menu);
1468 int hamount, vamount;
1469 int x, y;
1470 int newSelectedEntry;
1471
1472 getScrollAmount(menu, &hamount, &vamount);
1473
1474 if (hamount != 0 || vamount != 0) {
1475 wMenuMove(parent, parent->frame_x + hamount, parent->frame_y + vamount, True);
1476 if (findMenu(scr, &x, &y)) {
1477 newSelectedEntry = getEntryAt(menu, x, y);
1478 selectEntry(menu, newSelectedEntry);
1479 } else {
1480 /* Pointer fell outside of menu. If the selected entry is
1481 * not a submenu, unselect it */
1482 if (menu->selected_entry >= 0 && menu->entries[menu->selected_entry]->cascade < 0)
1483 selectEntry(menu, -1);
1484 newSelectedEntry = 0;
1485 }
1486
1487 /* paranoid check */
1488 if (newSelectedEntry >= 0) {
1489 /* keep scrolling */
1490 menu->timer = WMAddTimerHandler(MENU_SCROLL_DELAY, dragScrollMenuCallback, menu);
1491 } else {
1492 menu->timer = NULL;
1493 }
1494 } else {
1495 /* don't need to scroll anymore */
1496 menu->timer = NULL;
1497 if (findMenu(scr, &x, &y)) {
1498 newSelectedEntry = getEntryAt(menu, x, y);
1499 selectEntry(menu, newSelectedEntry);
1500 }
1501 }
1502 }
1503
1504 static void scrollMenuCallback(void *data)
1505 {
1506 WMenu *menu = (WMenu *) data;
1507 WMenu *parent = parentMenu(menu);
1508 int hamount = 0; /* amount to scroll */
1509 int vamount = 0;
1510
1511 getScrollAmount(menu, &hamount, &vamount);
1512
1513 if (hamount != 0 || vamount != 0) {
1514 wMenuMove(parent, parent->frame_x + hamount, parent->frame_y + vamount, True);
1515
1516 /* keep scrolling */
1517 menu->timer = WMAddTimerHandler(MENU_SCROLL_DELAY, scrollMenuCallback, menu);
1518 } else {
1519 /* don't need to scroll anymore */
1520 menu->timer = NULL;
1521 }
1522 }
1523
1524 #define MENU_SCROLL_BORDER 5
1525
1526 static int isPointNearBoder(WMenu * menu, int x, int y)
1527 {
1528 int menuX1 = menu->frame_x;
1529 int menuY1 = menu->frame_y;
1530 int menuX2 = menu->frame_x + MENUW(menu);
1531 int menuY2 = menu->frame_y + MENUH(menu);
1532 int flag = 0;
1533 int head = wGetHeadForPoint(menu->frame->screen_ptr, wmkpoint(x, y));
1534 WMRect rect = wGetRectForHead(menu->frame->screen_ptr, head);
1535
1536 /* XXX: handle screen joins properly !! */
1537
1538 if (x >= menuX1 && x <= menuX2 &&
1539 (y < rect.pos.y + MENU_SCROLL_BORDER || y >= rect.pos.y + rect.size.height - MENU_SCROLL_BORDER))
1540 flag = 1;
1541 else if (y >= menuY1 && y <= menuY2 &&
1542 (x < rect.pos.x + MENU_SCROLL_BORDER || x >= rect.pos.x + rect.size.width - MENU_SCROLL_BORDER))
1543 flag = 1;
1544
1545 return flag;
1546 }
1547
1548 typedef struct _delay {
1549 WMenu *menu;
1550 int ox, oy;
1551 } _delay;
1552
1553 static void leaving(_delay * dl)
1554 {
1555 wMenuMove(dl->menu, dl->ox, dl->oy, True);
1556 dl->menu->jump_back = NULL;
1557 dl->menu->menu->screen_ptr->flags.jump_back_pending = 0;
1558 wfree(dl);
1559 }
1560
1561 void wMenuScroll(WMenu * menu, XEvent * event)
1562 {
1563 WMenu *smenu;
1564 WMenu *omenu = parentMenu(menu);
1565 WScreen *scr = menu->frame->screen_ptr;
1566 int done = 0;
1567 int jump_back = 0;
1568 int old_frame_x = omenu->frame_x;
1569 int old_frame_y = omenu->frame_y;
1570 XEvent ev;
1571
1572 if (omenu->jump_back)
1573 WMDeleteTimerWithClientData(omenu->jump_back);
1574
1575 if (( /*omenu->flags.buttoned && */ !wPreferences.wrap_menus)
1576 || omenu->flags.app_menu) {
1577 jump_back = 1;
1578 }
1579
1580 if (!wPreferences.wrap_menus)
1581 raiseMenus(omenu, True);
1582 else
1583 raiseMenus(menu, False);
1584
1585 if (!menu->timer)
1586 scrollMenuCallback(menu);
1587
1588 while (!done) {
1589 int x, y, on_border, on_x_edge, on_y_edge, on_title;
1590 WMRect rect;
1591
1592 WMNextEvent(dpy, &ev);
1593 switch (ev.type) {
1594 case EnterNotify:
1595 WMHandleEvent(&ev);
1596 case MotionNotify:
1597 x = (ev.type == MotionNotify) ? ev.xmotion.x_root : ev.xcrossing.x_root;
1598 y = (ev.type == MotionNotify) ? ev.xmotion.y_root : ev.xcrossing.y_root;
1599
1600 /* on_border is != 0 if the pointer is between the menu
1601 * and the screen border and is close enough to the border */
1602 on_border = isPointNearBoder(menu, x, y);
1603
1604 smenu = wMenuUnderPointer(scr);
1605
1606 if ((smenu == NULL && !on_border) || (smenu && parentMenu(smenu) != omenu)) {
1607 done = 1;
1608 break;
1609 }
1610
1611 rect = wGetRectForHead(scr, wGetHeadForPoint(scr, wmkpoint(x, y)));
1612 on_x_edge = x <= rect.pos.x + 1 || x >= rect.pos.x + rect.size.width - 2;
1613 on_y_edge = y <= rect.pos.y + 1 || y >= rect.pos.y + rect.size.height - 2;
1614 on_border = on_x_edge || on_y_edge;
1615
1616 if (!on_border && !jump_back) {
1617 done = 1;
1618 break;
1619 }
1620
1621 if (menu->timer && (smenu != menu || (!on_y_edge && !on_x_edge))) {
1622 WMDeleteTimerHandler(menu->timer);
1623 menu->timer = NULL;
1624 }
1625
1626 if (smenu != NULL)
1627 menu = smenu;
1628
1629 if (!menu->timer)
1630 scrollMenuCallback(menu);
1631 break;
1632 case ButtonPress:
1633 /* True if we push on title, or drag the omenu to other position */
1634 on_title = ev.xbutton.x_root >= omenu->frame_x &&
1635 ev.xbutton.x_root <= omenu->frame_x + MENUW(omenu) &&
1636 ev.xbutton.y_root >= omenu->frame_y &&
1637 ev.xbutton.y_root <= omenu->frame_y + omenu->frame->top_width;
1638 WMHandleEvent(&ev);
1639 smenu = wMenuUnderPointer(scr);
1640 if (smenu == NULL || (smenu && smenu->flags.buttoned && smenu != omenu))
1641 done = 1;
1642 else if (smenu == omenu && on_title) {
1643 jump_back = 0;
1644 done = 1;
1645 }
1646 break;
1647 case KeyPress:
1648 done = 1;
1649 default:
1650 WMHandleEvent(&ev);
1651 break;
1652 }
1653 }
1654
1655 if (menu->timer) {
1656 WMDeleteTimerHandler(menu->timer);
1657 menu->timer = NULL;
1658 }
1659
1660 if (jump_back) {
1661 _delay *delayer;
1662 if (!omenu->jump_back) {
1663 delayer = wmalloc(sizeof(_delay));
1664 delayer->menu = omenu;
1665 delayer->ox = old_frame_x;
1666 delayer->oy = old_frame_y;
1667 omenu->jump_back = delayer;
1668 scr->flags.jump_back_pending = 1;
1669 } else
1670 delayer = omenu->jump_back;
1671 WMAddTimerHandler(MENU_JUMP_BACK_DELAY, (WMCallback *) leaving, delayer);
1672 }
1673 }
1674
1675 static void menuExpose(WObjDescriptor * desc, XEvent * event)
1676 {
1677 wMenuPaint(desc->parent);
1678 }
1679
1680 typedef struct {
1681 int *delayed_select;
1682 WMenu *menu;
1683 WMHandlerID magic;
1684 } delay_data;
1685
1686 static void delaySelection(void *data)
1687 {
1688 delay_data *d = (delay_data *) data;
1689 int x, y, entry_no;
1690 WMenu *menu;
1691
1692 d->magic = NULL;
1693
1694 menu = findMenu(d->menu->menu->screen_ptr, &x, &y);
1695 if (menu && (d->menu == menu || d->delayed_select)) {
1696 entry_no = getEntryAt(menu, x, y);
1697 selectEntry(menu, entry_no);
1698 }
1699 if (d->delayed_select)
1700 *(d->delayed_select) = 0;
1701 }
1702
1703 static void menuMouseDown(WObjDescriptor * desc, XEvent * event)
1704 {
1705 WWindow *wwin;
1706 XButtonEvent *bev = &event->xbutton;
1707 WMenu *menu = desc->parent;
1708 WMenu *smenu;
1709 WScreen *scr = menu->frame->screen_ptr;
1710 WMenuEntry *entry = NULL;
1711 XEvent ev;
1712 int close_on_exit = 0;
1713 int done = 0;
1714 int delayed_select = 0;
1715 int entry_no;
1716 int x, y;
1717 int prevx, prevy;
1718 int old_frame_x = 0;
1719 int old_frame_y = 0;
1720 delay_data d_data = { NULL, NULL, NULL };
1721
1722 /* Doesn't seem to be needed anymore (if delayed selection handler is
1723 * added only if not present). there seem to be no other side effects
1724 * from removing this and it is also possible that it was only added
1725 * to avoid problems with adding the delayed selection timer handler
1726 * multiple times
1727 */
1728 /*if (menu->flags.inside_handler) {
1729 return;
1730 } */
1731 menu->flags.inside_handler = 1;
1732
1733 if (!wPreferences.wrap_menus) {
1734 smenu = parentMenu(menu);
1735 old_frame_x = smenu->frame_x;
1736 old_frame_y = smenu->frame_y;
1737 } else if (event->xbutton.window == menu->frame->core->window) {
1738 /* This is true if the menu was launched with right click on root window */
1739 if (!d_data.magic) {
1740 delayed_select = 1;
1741 d_data.delayed_select = &delayed_select;
1742 d_data.menu = menu;
1743 d_data.magic = WMAddTimerHandler(wPreferences.dblclick_time, delaySelection, &d_data);
1744 }
1745 }
1746
1747 wRaiseFrame(menu->frame->core);
1748
1749 close_on_exit = (bev->send_event || menu->flags.brother);
1750
1751 smenu = findMenu(scr, &x, &y);
1752 if (!smenu) {
1753 x = -1;
1754 y = -1;
1755 } else {
1756 menu = smenu;
1757 }
1758
1759 if (menu->flags.editing) {
1760 goto byebye;
1761 }
1762 entry_no = getEntryAt(menu, x, y);
1763 if (entry_no >= 0) {
1764 entry = menu->entries[entry_no];
1765
1766 if (!close_on_exit && (bev->state & ControlMask) && smenu && entry->flags.editable) {
1767 char buffer[128];
1768 char *name;
1769 int number = entry_no - 3; /* Entries "New", "Destroy Last" and "Last Used" appear before workspaces */
1770
1771 name = wstrdup(scr->workspaces[number]->name);
1772 snprintf(buffer, sizeof(buffer), _("Type the name for workspace %i:"), number + 1);
1773
1774 wMenuUnmap(scr->root_menu);
1775
1776 if (wInputDialog(scr, _("Rename Workspace"), buffer, &name))
1777 wWorkspaceRename(scr, number, name);
1778
1779 if (name)
1780 wfree(name);
1781
1782 goto byebye;
1783 } else if (bev->state & ControlMask) {
1784 goto byebye;
1785 }
1786
1787 if (entry->flags.enabled && entry->cascade >= 0 && menu->cascades) {
1788 WMenu *submenu = menu->cascades[entry->cascade];
1789 /* map cascade */
1790 if (submenu->flags.mapped && !submenu->flags.buttoned && menu->selected_entry != entry_no) {
1791 wMenuUnmap(submenu);
1792 }
1793 if (!submenu->flags.mapped && !delayed_select) {
1794 selectEntry(menu, entry_no);
1795 } else if (!submenu->flags.buttoned) {
1796 selectEntry(menu, -1);
1797 }
1798
1799 } else if (!delayed_select) {
1800 if (menu == scr->switch_menu && event->xbutton.button == Button3) {
1801 selectEntry(menu, entry_no);
1802 OpenWindowMenu2((WWindow *)entry->clientdata,
1803 event->xbutton.x_root,
1804 event->xbutton.y_root, False);
1805 wwin = (WWindow *)entry->clientdata;
1806 desc = &wwin->screen_ptr->window_menu->menu->descriptor;
1807 event->xany.send_event = True;
1808 (*desc->handle_mousedown)(desc, event);
1809
1810 XUngrabPointer(dpy, CurrentTime);
1811 selectEntry(menu, -1);
1812 return;
1813 } else {
1814 selectEntry(menu, entry_no);
1815 }
1816 }
1817
1818 if (!wPreferences.wrap_menus && !wPreferences.scrollable_menus) {
1819 if (!menu->timer)
1820 dragScrollMenuCallback(menu);
1821 }
1822 }
1823
1824 prevx = bev->x_root;
1825 prevy = bev->y_root;
1826 while (!done) {
1827 int x, y;
1828
1829 XAllowEvents(dpy, AsyncPointer | SyncPointer, CurrentTime);
1830
1831 WMMaskEvent(dpy, ExposureMask | ButtonMotionMask | ButtonReleaseMask | ButtonPressMask, &ev);
1832 switch (ev.type) {
1833 case MotionNotify:
1834 smenu = findMenu(scr, &x, &y);
1835
1836 if (smenu == NULL) {
1837 /* moved mouse out of menu */
1838
1839 if (!delayed_select && d_data.magic) {
1840 WMDeleteTimerHandler(d_data.magic);
1841 d_data.magic = NULL;
1842 }
1843 if (menu == NULL
1844 || (menu->selected_entry >= 0
1845 && menu->entries[menu->selected_entry]->cascade >= 0)) {
1846 prevx = ev.xmotion.x_root;
1847 prevy = ev.xmotion.y_root;
1848
1849 break;
1850 }
1851 selectEntry(menu, -1);
1852 menu = smenu;
1853 prevx = ev.xmotion.x_root;
1854 prevy = ev.xmotion.y_root;
1855 break;
1856 } else if (menu && menu != smenu
1857 && (menu->selected_entry < 0
1858 || menu->entries[menu->selected_entry]->cascade < 0)) {
1859 selectEntry(menu, -1);
1860
1861 if (!delayed_select && d_data.magic) {
1862 WMDeleteTimerHandler(d_data.magic);
1863 d_data.magic = NULL;
1864 }
1865 } else {
1866
1867 /* hysteresis for item selection */
1868
1869 /* check if the motion was to the side, indicating that
1870 * the user may want to cross to a submenu */
1871 if (!delayed_select && menu) {
1872 int dx;
1873 Bool moved_to_submenu; /* moved to direction of submenu */
1874
1875 dx = abs(prevx - ev.xmotion.x_root);
1876
1877 moved_to_submenu = False;
1878 if (dx > 0 /* if moved enough to the side */
1879 /* maybe a open submenu */
1880 && menu->selected_entry >= 0
1881 /* moving to the right direction */
1882 && (wPreferences.align_menus || ev.xmotion.y_root >= prevy)) {
1883 int index;
1884
1885 index = menu->entries[menu->selected_entry]->cascade;
1886 if (index >= 0) {
1887 if (menu->cascades[index]->frame_x > menu->frame_x) {
1888 if (prevx < ev.xmotion.x_root)
1889 moved_to_submenu = True;
1890 } else {
1891 if (prevx > ev.xmotion.x_root)
1892 moved_to_submenu = True;
1893 }
1894 }
1895 }
1896
1897 if (menu != smenu) {
1898 if (d_data.magic) {
1899 WMDeleteTimerHandler(d_data.magic);
1900 d_data.magic = NULL;
1901 }
1902 } else if (moved_to_submenu) {
1903 /* while we are moving, postpone the selection */
1904 if (d_data.magic) {
1905 WMDeleteTimerHandler(d_data.magic);
1906 }
1907 d_data.delayed_select = NULL;
1908 d_data.menu = menu;
1909 d_data.magic = WMAddTimerHandler(MENU_SELECT_DELAY,
1910 delaySelection, &d_data);
1911 prevx = ev.xmotion.x_root;
1912 prevy = ev.xmotion.y_root;
1913 break;
1914 } else {
1915 if (d_data.magic) {
1916 WMDeleteTimerHandler(d_data.magic);
1917 d_data.magic = NULL;
1918 }
1919 }
1920 }
1921 }
1922 prevx = ev.xmotion.x_root;
1923 prevy = ev.xmotion.y_root;
1924 if (menu != smenu) {
1925 /* pointer crossed menus */
1926 if (menu && menu->timer) {
1927 WMDeleteTimerHandler(menu->timer);
1928 menu->timer = NULL;
1929 }
1930 if (smenu)
1931 dragScrollMenuCallback(smenu);
1932 }
1933 menu = smenu;
1934 if (!menu->timer)
1935 dragScrollMenuCallback(menu);
1936
1937 if (!delayed_select) {
1938 entry_no = getEntryAt(menu, x, y);
1939 if (entry_no >= 0) {
1940 entry = menu->entries[entry_no];
1941 if (entry->flags.enabled && entry->cascade >= 0 && menu->cascades) {
1942 WMenu *submenu = menu->cascades[entry->cascade];
1943 if (submenu->flags.mapped && !submenu->flags.buttoned
1944 && menu->selected_entry != entry_no) {
1945 wMenuUnmap(submenu);
1946 }
1947 }
1948 }
1949 selectEntry(menu, entry_no);
1950 }
1951 break;
1952
1953 case ButtonPress:
1954 break;
1955
1956 case ButtonRelease:
1957 if (ev.xbutton.button == event->xbutton.button)
1958 done = 1;
1959 break;
1960
1961 case Expose:
1962 WMHandleEvent(&ev);
1963 break;
1964 }
1965 }
1966
1967 if (menu && menu->timer) {
1968 WMDeleteTimerHandler(menu->timer);
1969 menu->timer = NULL;
1970 }
1971 if (d_data.magic != NULL) {
1972 WMDeleteTimerHandler(d_data.magic);
1973 d_data.magic = NULL;
1974 }
1975
1976 if (menu && menu->selected_entry >= 0) {
1977 entry = menu->entries[menu->selected_entry];
1978 if (entry->callback != NULL && entry->flags.enabled && entry->cascade < 0) {
1979 /* blink and erase menu selection */
1980 #if (MENU_BLINK_DELAY > 0)
1981 int sel = menu->selected_entry;
1982 int i;
1983
1984 for (i = 0; i < MENU_BLINK_COUNT; i++) {
1985 paintEntry(menu, sel, False);
1986 XSync(dpy, 0);
1987 wusleep(MENU_BLINK_DELAY);
1988 paintEntry(menu, sel, True);
1989 XSync(dpy, 0);
1990 wusleep(MENU_BLINK_DELAY);
1991 }
1992 #endif
1993 /* unmap the menu, it's parents and call the callback */
1994 if (!menu->flags.buttoned && (!menu->flags.app_menu || menu->parent != NULL)) {
1995 closeCascade(menu);
1996 } else {
1997 selectEntry(menu, -1);
1998 }
1999 (*entry->callback) (menu, entry);
2000
2001 /* If the user double clicks an entry, the entry will
2002 * be executed twice, which is not good for things like
2003 * the root menu. So, ignore any clicks that were generated
2004 * while the entry was being executed */
2005 while (XCheckTypedWindowEvent(dpy, menu->menu->window, ButtonPress, &ev)) ;
2006 } else if (entry->callback != NULL && entry->cascade < 0) {
2007 selectEntry(menu, -1);
2008 } else {
2009 if (entry->cascade >= 0 && menu->cascades && menu->cascades[entry->cascade]->flags.brother) {
2010 selectEntry(menu, -1);
2011 }
2012 }
2013 }
2014
2015 if (((WMenu *) desc->parent)->flags.brother || close_on_exit || !smenu)
2016 closeCascade(desc->parent);
2017
2018 /* close the cascade windows that should not remain opened */
2019 closeBrotherCascadesOf(desc->parent);
2020
2021 if (!wPreferences.wrap_menus)
2022 wMenuMove(parentMenu(desc->parent), old_frame_x, old_frame_y, True);
2023
2024 byebye:
2025 /* Just to be sure in case we skip the 2 above because of a goto byebye */
2026 if (menu && menu->timer) {
2027 WMDeleteTimerHandler(menu->timer);
2028 menu->timer = NULL;
2029 }
2030 if (d_data.magic != NULL) {
2031 WMDeleteTimerHandler(d_data.magic);
2032 d_data.magic = NULL;
2033 }
2034
2035 ((WMenu *) desc->parent)->flags.inside_handler = 0;
2036 }
2037
2038 void wMenuMove(WMenu * menu, int x, int y, int submenus)
2039 {
2040 WMenu *submenu;
2041 int i;
2042
2043 if (!menu)
2044 return;
2045
2046 menu->frame_x = x;
2047 menu->frame_y = y;
2048 XMoveWindow(dpy, menu->frame->core->window, x, y);
2049
2050 if (submenus > 0 && menu->selected_entry >= 0) {
2051 i = menu->entries[menu->selected_entry]->cascade;
2052
2053 if (i >= 0 && menu->cascades) {
2054 submenu = menu->cascades[i];
2055 if (submenu->flags.mapped && !submenu->flags.buttoned) {
2056 if (wPreferences.align_menus) {
2057 wMenuMove(submenu, x + MENUW(menu), y, submenus);
2058 } else {
2059 wMenuMove(submenu, x + MENUW(menu),
2060 y + submenu->entry_height * menu->selected_entry, submenus);
2061 }
2062 }
2063 }
2064 }
2065 if (submenus < 0 && menu->parent != NULL && menu->parent->flags.mapped && !menu->parent->flags.buttoned) {
2066 if (wPreferences.align_menus) {
2067 wMenuMove(menu->parent, x - MENUW(menu->parent), y, submenus);
2068 } else {
2069 wMenuMove(menu->parent, x - MENUW(menu->parent), menu->frame_y
2070 - menu->parent->entry_height * menu->parent->selected_entry, submenus);
2071 }
2072 }
2073 }
2074
2075 static void changeMenuLevels(WMenu * menu, int lower)
2076 {
2077 int i;
2078
2079 if (!lower) {
2080 ChangeStackingLevel(menu->frame->core, (!menu->parent ? WMMainMenuLevel : WMSubmenuLevel));
2081 wRaiseFrame(menu->frame->core);
2082 menu->flags.lowered = 0;
2083 } else {
2084 ChangeStackingLevel(menu->frame->core, WMNormalLevel);
2085 wLowerFrame(menu->frame->core);
2086 menu->flags.lowered = 1;
2087 }
2088 for (i = 0; i < menu->cascade_no; i++) {
2089 if (menu->cascades[i]
2090 && !menu->cascades[i]->flags.buttoned && menu->cascades[i]->flags.lowered != lower) {
2091 changeMenuLevels(menu->cascades[i], lower);
2092 }
2093 }
2094 }
2095
2096 static void menuTitleDoubleClick(WCoreWindow * sender, void *data, XEvent * event)
2097 {
2098 WMenu *menu = data;
2099 int lower;
2100
2101 if (event->xbutton.state & MOD_MASK) {
2102 if (menu->flags.lowered) {
2103 lower = 0;
2104 } else {
2105 lower = 1;
2106 }
2107 changeMenuLevels(menu, lower);
2108 }
2109 }
2110
2111 static void menuTitleMouseDown(WCoreWindow * sender, void *data, XEvent * event)
2112 {
2113 WMenu *menu = data;
2114 WMenu *tmp;
2115 XEvent ev;
2116 int x = menu->frame_x, y = menu->frame_y;
2117 int dx = event->xbutton.x_root, dy = event->xbutton.y_root;
2118 int i, lower;
2119 Bool started;
2120
2121 /* can't touch the menu copy */
2122 if (menu->flags.brother)
2123 return;
2124
2125 if (event->xbutton.button != Button1 && event->xbutton.button != Button2)
2126 return;
2127
2128 if (event->xbutton.state & MOD_MASK) {
2129 wLowerFrame(menu->frame->core);
2130 lower = 1;
2131 } else {
2132 wRaiseFrame(menu->frame->core);
2133 lower = 0;
2134 }
2135 tmp = menu;
2136
2137 /* lower/raise all submenus */
2138 while (1) {
2139 if (tmp->selected_entry >= 0 && tmp->cascades && tmp->entries[tmp->selected_entry]->cascade >= 0) {
2140 tmp = tmp->cascades[tmp->entries[tmp->selected_entry]->cascade];
2141 if (!tmp || !tmp->flags.mapped)
2142 break;
2143 if (lower)
2144 wLowerFrame(tmp->frame->core);
2145 else
2146 wRaiseFrame(tmp->frame->core);
2147 } else {
2148 break;
2149 }
2150 }
2151
2152 /* tear off the menu if it's a root menu or a cascade
2153 application menu */
2154 if (!menu->flags.buttoned && !menu->flags.brother && (!menu->flags.app_menu || menu->parent != NULL)) {
2155 menu->flags.buttoned = 1;
2156 wFrameWindowShowButton(menu->frame, WFF_RIGHT_BUTTON);
2157 if (menu->parent) {
2158 /* turn off selected menu entry in parent menu */
2159 selectEntry(menu->parent, -1);
2160
2161 /* make parent map the copy in place of the original */
2162 for (i = 0; i < menu->parent->cascade_no; i++) {
2163 if (menu->parent->cascades[i] == menu) {
2164 menu->parent->cascades[i] = menu->brother;
2165 break;
2166 }
2167 }
2168 }
2169 }
2170
2171 started = False;
2172 while (1) {
2173 WMMaskEvent(dpy, ButtonMotionMask | ButtonReleaseMask | ButtonPressMask | ExposureMask, &ev);
2174 switch (ev.type) {
2175 case MotionNotify:
2176 if (started) {
2177 x += ev.xmotion.x_root - dx;
2178 y += ev.xmotion.y_root - dy;
2179 dx = ev.xmotion.x_root;
2180 dy = ev.xmotion.y_root;
2181 wMenuMove(menu, x, y, True);
2182 } else {
2183 if (abs(ev.xmotion.x_root - dx) > MOVE_THRESHOLD
2184 || abs(ev.xmotion.y_root - dy) > MOVE_THRESHOLD) {
2185 started = True;
2186 XGrabPointer(dpy, menu->frame->titlebar->window, False,
2187 ButtonMotionMask | ButtonReleaseMask
2188 | ButtonPressMask,
2189 GrabModeAsync, GrabModeAsync, None,
2190 wCursor[WCUR_MOVE], CurrentTime);
2191 }
2192 }
2193 break;
2194
2195 case ButtonPress:
2196 break;
2197
2198 case ButtonRelease:
2199 if (ev.xbutton.button != event->xbutton.button)
2200 break;
2201 XUngrabPointer(dpy, CurrentTime);
2202 return;
2203
2204 default:
2205 WMHandleEvent(&ev);
2206 break;
2207 }
2208 }
2209 }
2210
2211 /*
2212 *----------------------------------------------------------------------
2213 * menuCloseClick--
2214 * Handles mouse click on the close button of menus. The menu is
2215 * closed when the button is clicked.
2216 *
2217 * Side effects:
2218 * The closed menu is reinserted at it's parent menus
2219 * cascade list.
2220 *----------------------------------------------------------------------
2221 */
2222 static void menuCloseClick(WCoreWindow * sender, void *data, XEvent * event)
2223 {
2224 WMenu *menu = (WMenu *) data;
2225 WMenu *parent = menu->parent;
2226 int i;
2227
2228 if (parent) {
2229 for (i = 0; i < parent->cascade_no; i++) {
2230 /* find the entry that points to the copy */
2231 if (parent->cascades[i] == menu->brother) {
2232 /* make it point to the original */
2233 parent->cascades[i] = menu;
2234 menu->parent = parent;
2235 break;
2236 }
2237 }
2238 }
2239 wMenuUnmap(menu);
2240 }
2241
2242 static void saveMenuInfo(WMPropList * dict, WMenu * menu, WMPropList * key)
2243 {
2244 WMPropList *value, *list;
2245 char buffer[256];
2246
2247 snprintf(buffer, sizeof(buffer), "%i,%i", menu->frame_x, menu->frame_y);
2248 value = WMCreatePLString(buffer);
2249 list = WMCreatePLArray(value, NULL);
2250 if (menu->flags.lowered)
2251 WMAddToPLArray(list, WMCreatePLString("lowered"));
2252 WMPutInPLDictionary(dict, key, list);
2253 WMReleasePropList(value);
2254 WMReleasePropList(list);
2255 }
2256
2257 void wMenuSaveState(WScreen * scr)
2258 {
2259 WMPropList *menus, *key;
2260 int save_menus = 0;
2261
2262 menus = WMCreatePLDictionary(NULL, NULL);
2263
2264 if (scr->switch_menu && scr->switch_menu->flags.buttoned) {
2265 key = WMCreatePLString("SwitchMenu");
2266 saveMenuInfo(menus, scr->switch_menu, key);
2267 WMReleasePropList(key);
2268 save_menus = 1;
2269 }
2270
2271 if (saveMenuRecurs(menus, scr, scr->root_menu))
2272 save_menus = 1;
2273
2274 if (scr->workspace_menu && scr->workspace_menu->flags.buttoned) {
2275 key = WMCreatePLString("WorkspaceMenu");
2276 saveMenuInfo(menus, scr->workspace_menu, key);
2277 WMReleasePropList(key);
2278 save_menus = 1;
2279 }
2280
2281 if (save_menus) {
2282 key = WMCreatePLString("Menus");
2283 WMPutInPLDictionary(scr->session_state, key, menus);
2284 WMReleasePropList(key);
2285 }
2286 WMReleasePropList(menus);
2287 }
2288
2289 static Bool getMenuPath(WMenu * menu, char *buffer, int bufSize)
2290 {
2291 Bool ok = True;
2292 int len = 0;
2293
2294 if (!menu->flags.titled || !menu->frame->title[0])
2295 return False;
2296
2297 len = strlen(menu->frame->title);
2298 if (len >= bufSize)
2299 return False;
2300
2301 if (menu->parent) {
2302 ok = getMenuPath(menu->parent, buffer, bufSize - len - 1);
2303 if (!ok)
2304 return False;
2305 }
2306
2307 strcat(buffer, "\\");
2308 strcat(buffer, menu->frame->title);
2309
2310 return True;
2311 }
2312
2313 static Bool saveMenuRecurs(WMPropList * menus, WScreen * scr, WMenu * menu)
2314 {
2315 WMPropList *key;
2316 int save_menus = 0, i;
2317 char buffer[512];
2318 Bool ok = True;
2319
2320 if (menu->flags.brother)
2321 menu = menu->brother;
2322
2323 if (menu->flags.buttoned && menu != scr->switch_menu) {
2324
2325 buffer[0] = '\0';
2326 ok = getMenuPath(menu, buffer, 510);
2327
2328 if (ok) {
2329 key = WMCreatePLString(buffer);
2330 saveMenuInfo(menus, menu, key);
2331 WMReleasePropList(key);
2332 save_menus = 1;
2333 }
2334 }
2335
2336 if (ok) {
2337 for (i = 0; i < menu->cascade_no; i++) {
2338 if (saveMenuRecurs(menus, scr, menu->cascades[i]))
2339 save_menus = 1;
2340 }
2341 }
2342 return save_menus;
2343 }
2344
2345 #define COMPLAIN(key) wwarning(_("bad value in menus state info: %s"), key)
2346
2347 static Bool getMenuInfo(WMPropList * info, int *x, int *y, Bool * lowered)
2348 {
2349 WMPropList *pos;
2350
2351 *lowered = False;
2352
2353 if (WMIsPLArray(info)) {
2354 WMPropList *flags;
2355 pos = WMGetFromPLArray(info, 0);
2356 flags = WMGetFromPLArray(info, 1);
2357 if (flags != NULL && WMIsPLString(flags) && WMGetFromPLString(flags) != NULL
2358 && strcmp(WMGetFromPLString(flags), "lowered") == 0) {
2359 *lowered = True;
2360 }
2361 } else {
2362 pos = info;
2363 }
2364
2365 if (pos != NULL && WMIsPLString(pos)) {
2366 if (sscanf(WMGetFromPLString(pos), "%i,%i", x, y) != 2)
2367 COMPLAIN("Position");
2368 } else {
2369 COMPLAIN("(position, flags...)");
2370 return False;
2371 }
2372
2373 return True;
2374 }
2375
2376 static int restoreMenu(WScreen * scr, WMPropList * menu, int which)
2377 {
2378 int x, y;
2379 Bool lowered = False;
2380 WMenu *pmenu = NULL;
2381
2382 if (!menu)
2383 return False;
2384
2385 if (!getMenuInfo(menu, &x, &y, &lowered))
2386 return False;
2387
2388 if (which & WSS_SWITCHMENU) {
2389 OpenSwitchMenu(scr, x, y, False);
2390 pmenu = scr->switch_menu;
2391 }
2392
2393 if (pmenu) {
2394 int width = MENUW(pmenu);
2395 int height = MENUH(pmenu);
2396 WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
2397
2398 if (lowered) {
2399 changeMenuLevels(pmenu, True);
2400 }
2401
2402 if (x < rect.pos.x - width)
2403 x = rect.pos.x;
2404 if (x > rect.pos.x + rect.size.width)
2405 x = rect.pos.x + rect.size.width - width;
2406 if (y < rect.pos.y)
2407 y = rect.pos.y;
2408 if (y > rect.pos.y + rect.size.height)
2409 y = rect.pos.y + rect.size.height - height;
2410
2411 wMenuMove(pmenu, x, y, True);
2412 pmenu->flags.buttoned = 1;
2413 wFrameWindowShowButton(pmenu->frame, WFF_RIGHT_BUTTON);
2414 return True;
2415 }
2416 return False;
2417 }
2418
2419 static int restoreMenuRecurs(WScreen *scr, WMPropList *menus, WMenu *menu, const char *path)
2420 {
2421 WMPropList *key, *entry;
2422 char buffer[512];
2423 int i, x, y, res;
2424 Bool lowered;
2425
2426 if (strlen(path) + strlen(menu->frame->title) > 510)
2427 return False;
2428
2429 snprintf(buffer, sizeof(buffer), "%s\\%s", path, menu->frame->title);
2430 key = WMCreatePLString(buffer);
2431 entry = WMGetFromPLDictionary(menus, key);
2432 res = False;
2433
2434 if (entry && getMenuInfo(entry, &x, &y, &lowered)) {
2435
2436 if (!menu->flags.mapped) {
2437 int width = MENUW(menu);
2438 int height = MENUH(menu);
2439 WMRect rect = wGetRectForHead(scr, wGetHeadForPointerLocation(scr));
2440
2441 wMenuMapAt(menu, x, y, False);
2442
2443 if (menu->parent) {
2444 /* make parent map the copy in place of the original */
2445 for (i = 0; i < menu->parent->cascade_no; i++) {
2446 if (menu->parent->cascades[i] == menu) {
2447 menu->parent->cascades[i] = menu->brother;
2448 break;
2449 }
2450 }
2451 }
2452 if (lowered) {
2453 changeMenuLevels(menu, True);
2454 }
2455
2456 if (x < rect.pos.x - width)
2457 x = rect.pos.x;
2458 if (x > rect.pos.x + rect.size.width)
2459 x = rect.pos.x + rect.size.width - width;
2460 if (y < rect.pos.y)
2461 y = rect.pos.y;
2462 if (y > rect.pos.y + rect.size.height)
2463 y = rect.pos.y + rect.size.height - height;
2464
2465 wMenuMove(menu, x, y, True);
2466 menu->flags.buttoned = 1;
2467 wFrameWindowShowButton(menu->frame, WFF_RIGHT_BUTTON);
2468 res = True;
2469 }
2470 }
2471
2472 WMReleasePropList(key);
2473
2474 for (i = 0; i < menu->cascade_no; i++) {
2475 if (restoreMenuRecurs(scr, menus, menu->cascades[i], buffer) != False)
2476 res = True;
2477 }
2478
2479 return res;
2480 }
2481
2482 void wMenuRestoreState(WScreen * scr)
2483 {
2484 WMPropList *menus, *menu, *key, *skey;
2485
2486 if (!scr->session_state) {
2487 return;
2488 }
2489
2490 key = WMCreatePLString("Menus");
2491 menus = WMGetFromPLDictionary(scr->session_state, key);
2492 WMReleasePropList(key);
2493
2494 if (!menus)
2495 return;
2496
2497 /* restore menus */
2498
2499 skey = WMCreatePLString("SwitchMenu");
2500 menu = WMGetFromPLDictionary(menus, skey);
2501 WMReleasePropList(skey);
2502 restoreMenu(scr, menu, WSS_SWITCHMENU);
2503
2504 if (!scr->root_menu) {
2505 OpenRootMenu(scr, scr->scr_width * 2, 0, False);
2506 wMenuUnmap(scr->root_menu);
2507 }
2508 restoreMenuRecurs(scr, menus, scr->root_menu, "");
2509 }
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