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fix a segfault
[mikachu/openbox.git] / openbox / menuframe.c
1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
2
3    menuframe.c for the Openbox window manager
4    Copyright (c) 2006        Mikael Magnusson
5    Copyright (c) 2003-2007   Dana Jansens
6
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 2 of the License, or
10    (at your option) any later version.
11
12    This program is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16
17    See the COPYING file for a copy of the GNU General Public License.
18 */
19
20 #include "menuframe.h"
21 #include "client.h"
22 #include "menu.h"
23 #include "screen.h"
24 #include "grab.h"
25 #include "openbox.h"
26 #include "mainloop.h"
27 #include "config.h"
28 #include "render/theme.h"
29
30 #define PADDING 2
31 #define SEPARATOR_HEIGHT 3
32 #define MAX_MENU_WIDTH 400
33
34 #define FRAME_EVENTMASK (ButtonPressMask |ButtonMotionMask | EnterWindowMask |\
35                          LeaveWindowMask)
36 #define ENTRY_EVENTMASK (EnterWindowMask | LeaveWindowMask | \
37                          ButtonPressMask | ButtonReleaseMask)
38
39 GList *menu_frame_visible;
40
41 static ObMenuEntryFrame* menu_entry_frame_new(ObMenuEntry *entry,
42                                               ObMenuFrame *frame);
43 static void menu_entry_frame_free(ObMenuEntryFrame *self);
44 static void menu_frame_render(ObMenuFrame *self);
45 static void menu_frame_update(ObMenuFrame *self);
46 static gboolean menu_entry_frame_submenu_timeout(gpointer data);
47
48 static Window createWindow(Window parent, gulong mask,
49                            XSetWindowAttributes *attrib)
50 {
51     return XCreateWindow(ob_display, parent, 0, 0, 1, 1, 0,
52                          RrDepth(ob_rr_inst), InputOutput,
53                          RrVisual(ob_rr_inst), mask, attrib);
54 }
55
56 GHashTable *menu_frame_map;
57
58 void menu_frame_startup(gboolean reconfig)
59 {
60     if (reconfig) return;
61
62     menu_frame_map = g_hash_table_new(g_int_hash, g_int_equal);
63 }
64
65 void menu_frame_shutdown(gboolean reconfig)
66 {
67     if (reconfig) return;
68
69     g_hash_table_destroy(menu_frame_map);
70 }
71
72 ObMenuFrame* menu_frame_new(ObMenu *menu, ObClient *client)
73 {
74     ObMenuFrame *self;
75     XSetWindowAttributes attr;
76
77     self = g_new0(ObMenuFrame, 1);
78     self->type = Window_Menu;
79     self->menu = menu;
80     self->selected = NULL;
81     self->client = client;
82     self->direction_right = TRUE;
83
84     attr.event_mask = FRAME_EVENTMASK;
85     self->window = createWindow(RootWindow(ob_display, ob_screen),
86                                 CWEventMask, &attr);
87
88     self->a_title = RrAppearanceCopy(ob_rr_theme->a_menu_title);
89     self->a_items = RrAppearanceCopy(ob_rr_theme->a_menu);
90
91     stacking_add(MENU_AS_WINDOW(self));
92
93     return self;
94 }
95
96 void menu_frame_free(ObMenuFrame *self)
97 {
98     if (self) {
99         while (self->entries) {
100             menu_entry_frame_free(self->entries->data);
101             self->entries = g_list_delete_link(self->entries, self->entries);
102         }
103
104         stacking_remove(MENU_AS_WINDOW(self));
105
106         XDestroyWindow(ob_display, self->window);
107
108         RrAppearanceFree(self->a_items);
109         RrAppearanceFree(self->a_title);
110
111         g_free(self);
112     }
113 }
114
115 static ObMenuEntryFrame* menu_entry_frame_new(ObMenuEntry *entry,
116                                               ObMenuFrame *frame)
117 {
118     ObMenuEntryFrame *self;
119     XSetWindowAttributes attr;
120
121     self = g_new0(ObMenuEntryFrame, 1);
122     self->entry = entry;
123     self->frame = frame;
124
125     attr.event_mask = ENTRY_EVENTMASK;
126     self->window = createWindow(self->frame->window, CWEventMask, &attr);
127     self->text = createWindow(self->window, 0, NULL);
128     g_hash_table_insert(menu_frame_map, &self->window, self);
129     g_hash_table_insert(menu_frame_map, &self->text, self);
130     if (entry->type == OB_MENU_ENTRY_TYPE_NORMAL) {
131         self->icon = createWindow(self->window, 0, NULL);
132         g_hash_table_insert(menu_frame_map, &self->icon, self);
133     }
134     if (entry->type == OB_MENU_ENTRY_TYPE_SUBMENU) {
135         self->bullet = createWindow(self->window, 0, NULL);
136         g_hash_table_insert(menu_frame_map, &self->bullet, self);
137     }
138
139     XMapWindow(ob_display, self->window);
140     XMapWindow(ob_display, self->text);
141
142     self->a_normal = RrAppearanceCopy(ob_rr_theme->a_menu_normal);
143     self->a_disabled = RrAppearanceCopy(ob_rr_theme->a_menu_disabled);
144     self->a_selected = RrAppearanceCopy(ob_rr_theme->a_menu_selected);
145
146     if (entry->type == OB_MENU_ENTRY_TYPE_SEPARATOR) {
147         self->a_separator = RrAppearanceCopy(ob_rr_theme->a_clear_tex);
148         self->a_separator->texture[0].type = RR_TEXTURE_LINE_ART;
149     } else {
150         self->a_icon = RrAppearanceCopy(ob_rr_theme->a_clear_tex);
151         self->a_icon->texture[0].type = RR_TEXTURE_RGBA;
152         self->a_mask = RrAppearanceCopy(ob_rr_theme->a_clear_tex);
153         self->a_mask->texture[0].type = RR_TEXTURE_MASK;
154         self->a_bullet_normal =
155             RrAppearanceCopy(ob_rr_theme->a_menu_bullet_normal);
156         self->a_bullet_selected =
157             RrAppearanceCopy(ob_rr_theme->a_menu_bullet_selected);
158     }
159
160     self->a_text_normal =
161         RrAppearanceCopy(ob_rr_theme->a_menu_text_normal);
162     self->a_text_disabled =
163         RrAppearanceCopy(ob_rr_theme->a_menu_text_disabled);
164     self->a_text_selected =
165         RrAppearanceCopy(ob_rr_theme->a_menu_text_selected);
166
167     return self;
168 }
169
170 static void menu_entry_frame_free(ObMenuEntryFrame *self)
171 {
172     if (self) {
173         XDestroyWindow(ob_display, self->text);
174         XDestroyWindow(ob_display, self->window);
175         g_hash_table_insert(menu_frame_map, &self->text, self);
176         g_hash_table_insert(menu_frame_map, &self->window, self);
177         if (self->entry->type == OB_MENU_ENTRY_TYPE_NORMAL) {
178             XDestroyWindow(ob_display, self->icon);
179             g_hash_table_insert(menu_frame_map, &self->icon, self);
180         }
181         if (self->entry->type == OB_MENU_ENTRY_TYPE_SUBMENU) {
182             XDestroyWindow(ob_display, self->bullet);
183             g_hash_table_insert(menu_frame_map, &self->bullet, self);
184         }
185
186         RrAppearanceFree(self->a_normal);
187         RrAppearanceFree(self->a_disabled);
188         RrAppearanceFree(self->a_selected);
189
190         RrAppearanceFree(self->a_separator);
191         RrAppearanceFree(self->a_icon);
192         RrAppearanceFree(self->a_mask);
193         RrAppearanceFree(self->a_text_normal);
194         RrAppearanceFree(self->a_text_disabled);
195         RrAppearanceFree(self->a_text_selected);
196         RrAppearanceFree(self->a_bullet_normal);
197         RrAppearanceFree(self->a_bullet_selected);
198
199         g_free(self);
200     }
201 }
202
203 void menu_frame_move(ObMenuFrame *self, gint x, gint y)
204 {
205     RECT_SET_POINT(self->area, x, y);
206     XMoveWindow(ob_display, self->window, self->area.x, self->area.y);
207 }
208
209 void menu_frame_place_topmenu(ObMenuFrame *self, gint x, gint y)
210 {
211     if (self->client && x < 0 && y < 0) {
212         x = self->client->frame->area.x + self->client->frame->size.left;
213         y = self->client->frame->area.y + self->client->frame->size.top;
214     } else {
215         if (config_menu_middle)
216             y -= self->area.height / 2;
217     }
218     menu_frame_move(self, x, y);
219 }
220
221 void menu_frame_place_submenu(ObMenuFrame *self)
222 {
223     gint x, y;
224     gint overlap;
225     gint bwidth;
226
227     overlap = ob_rr_theme->menu_overlap;
228     bwidth = ob_rr_theme->mbwidth;
229
230     if (self->direction_right)
231         x = self->parent->area.x + self->parent->area.width - overlap - bwidth;
232     else
233         x = self->parent->area.x - self->area.width + overlap + bwidth;
234
235     y = self->parent->area.y + self->parent_entry->area.y;
236     if (config_menu_middle)
237         y -= (self->area.height - (bwidth * 2) - self->item_h) / 2;
238     else
239         y += overlap;
240
241     menu_frame_move(self, x, y);
242 }
243
244 void menu_frame_move_on_screen(ObMenuFrame *self, gint *dx, gint *dy)
245 {
246     Rect *a = NULL;
247     gint pos, half;
248
249     *dx = *dy = 0;
250
251     a = screen_physical_area_monitor(self->monitor);
252
253     half = g_list_length(self->entries) / 2;
254     pos = g_list_index(self->entries, self->selected);
255
256     /* if in the bottom half then check this stuff first, will keep the bottom
257        edge of the menu visible */
258     if (pos > half) {
259         *dx = MAX(*dx, a->x - self->area.x);
260         *dy = MAX(*dy, a->y - self->area.y);
261     }
262     *dx = MIN(*dx, (a->x + a->width) - (self->area.x + self->area.width));
263     *dy = MIN(*dy, (a->y + a->height) - (self->area.y + self->area.height));
264     /* if in the top half then check this stuff last, will keep the top
265        edge of the menu visible */
266     if (pos <= half) {
267         *dx = MAX(*dx, a->x - self->area.x);
268         *dy = MAX(*dy, a->y - self->area.y);
269     }
270 }
271
272 static void menu_entry_frame_render(ObMenuEntryFrame *self)
273 {
274     RrAppearance *item_a, *text_a;
275     gint th; /* temp */
276     ObMenu *sub;
277     ObMenuFrame *frame = self->frame;
278
279     switch (self->entry->type) {
280     case OB_MENU_ENTRY_TYPE_NORMAL:
281     case OB_MENU_ENTRY_TYPE_SUBMENU:
282         item_a = ((self->entry->type == OB_MENU_ENTRY_TYPE_NORMAL &&
283                    !self->entry->data.normal.enabled) ?
284                   self->a_disabled :
285                   (self == self->frame->selected ?
286                    self->a_selected :
287                    self->a_normal));
288         th = self->frame->item_h;
289         break;
290     case OB_MENU_ENTRY_TYPE_SEPARATOR:
291         if (self->entry->data.separator.label) {
292             item_a = self->frame->a_title;
293             item_a->texture[0].data.text.string =
294                 self->entry->data.separator.label;
295             th = self->frame->title_h;
296         } else {
297             item_a = self->a_normal;
298             th = SEPARATOR_HEIGHT + 2*PADDING;
299         }
300         break;
301     default:
302         g_assert_not_reached();
303     }
304     RECT_SET_SIZE(self->area, self->frame->inner_w, th);
305     XResizeWindow(ob_display, self->window,
306                   self->area.width, self->area.height);
307     item_a->surface.parent = self->frame->a_items;
308     item_a->surface.parentx = self->area.x;
309     item_a->surface.parenty = self->area.y;
310     RrPaint(item_a, self->window, self->area.width, self->area.height);
311
312     switch (self->entry->type) {
313     case OB_MENU_ENTRY_TYPE_NORMAL:
314         text_a = (!self->entry->data.normal.enabled ?
315                   self->a_text_disabled :
316                   (self == self->frame->selected ?
317                    self->a_text_selected :
318                    self->a_text_normal));
319         text_a->texture[0].data.text.string = self->entry->data.normal.label;
320         break;
321     case OB_MENU_ENTRY_TYPE_SUBMENU:
322         text_a = (self == self->frame->selected ?
323                   self->a_text_selected :
324                   self->a_text_normal);
325         sub = self->entry->data.submenu.submenu;
326         text_a->texture[0].data.text.string = sub ? sub->title : "";
327         break;
328     case OB_MENU_ENTRY_TYPE_SEPARATOR:
329         text_a = self->a_text_normal;
330         break;
331     }
332
333     switch (self->entry->type) {
334     case OB_MENU_ENTRY_TYPE_NORMAL:
335         XMoveResizeWindow(ob_display, self->text,
336                           self->frame->text_x, PADDING,
337                           self->frame->text_w,
338                           self->frame->item_h - 2*PADDING);
339         text_a->surface.parent = item_a;
340         text_a->surface.parentx = self->frame->text_x;
341         text_a->surface.parenty = PADDING;
342         RrPaint(text_a, self->text, self->frame->text_w,
343                 self->frame->item_h - 2*PADDING);
344         break;
345     case OB_MENU_ENTRY_TYPE_SUBMENU:
346         XMoveResizeWindow(ob_display, self->text,
347                           self->frame->text_x, PADDING,
348                           self->frame->text_w - self->frame->item_h,
349                           self->frame->item_h - 2*PADDING);
350         text_a->surface.parent = item_a;
351         text_a->surface.parentx = self->frame->text_x;
352         text_a->surface.parenty = PADDING;
353         RrPaint(text_a, self->text, self->frame->text_w - self->frame->item_h,
354                 self->frame->item_h - 2*PADDING);
355         break;
356     case OB_MENU_ENTRY_TYPE_SEPARATOR:
357         if (self->entry->data.separator.label == NULL) {
358             XMoveResizeWindow(ob_display, self->text, PADDING, PADDING,
359                               self->area.width - 2*PADDING, SEPARATOR_HEIGHT);
360             self->a_separator->surface.parent = item_a;
361             self->a_separator->surface.parentx = PADDING;
362             self->a_separator->surface.parenty = PADDING;
363             self->a_separator->texture[0].data.lineart.color =
364                 text_a->texture[0].data.text.color;
365             self->a_separator->texture[0].data.lineart.x1 = 2*PADDING;
366             self->a_separator->texture[0].data.lineart.y1 = SEPARATOR_HEIGHT/2;
367             self->a_separator->texture[0].data.lineart.x2 =
368                 self->area.width - 4*PADDING;
369             self->a_separator->texture[0].data.lineart.y2 = SEPARATOR_HEIGHT/2;
370             RrPaint(self->a_separator, self->text,
371                     self->area.width - 2*PADDING, SEPARATOR_HEIGHT);
372         }
373         break;
374     }
375
376     if (self->entry->type == OB_MENU_ENTRY_TYPE_NORMAL &&
377         self->entry->data.normal.icon_data)
378     {
379         XMoveResizeWindow(ob_display, self->icon,
380                           PADDING, frame->item_margin.top,
381                           self->frame->item_h - frame->item_margin.top
382                           - frame->item_margin.bottom,
383                           self->frame->item_h - frame->item_margin.top
384                           - frame->item_margin.bottom);
385         self->a_icon->texture[0].data.rgba.width =
386             self->entry->data.normal.icon_width;
387         self->a_icon->texture[0].data.rgba.height =
388             self->entry->data.normal.icon_height;
389         self->a_icon->texture[0].data.rgba.data =
390             self->entry->data.normal.icon_data;
391         self->a_icon->surface.parent = item_a;
392         self->a_icon->surface.parentx = PADDING;
393         self->a_icon->surface.parenty = frame->item_margin.top;
394         RrPaint(self->a_icon, self->icon,
395                 self->frame->item_h - frame->item_margin.top
396                 - frame->item_margin.bottom,
397                 self->frame->item_h - frame->item_margin.top
398                 - frame->item_margin.bottom);
399         XMapWindow(ob_display, self->icon);
400     } else if (self->entry->type == OB_MENU_ENTRY_TYPE_NORMAL &&
401                self->entry->data.normal.mask)
402     {
403         RrColor *c;
404
405         XMoveResizeWindow(ob_display, self->icon,
406                           PADDING, frame->item_margin.top,
407                           self->frame->item_h - frame->item_margin.top
408                           - frame->item_margin.bottom,
409                           self->frame->item_h - frame->item_margin.top
410                           - frame->item_margin.bottom);
411         self->a_mask->texture[0].data.mask.mask =
412             self->entry->data.normal.mask;
413
414         c = ((self->entry->type == OB_MENU_ENTRY_TYPE_NORMAL &&
415               !self->entry->data.normal.enabled) ?
416              self->entry->data.normal.mask_disabled_color :
417              (self == self->frame->selected ?
418               self->entry->data.normal.mask_selected_color :
419               self->entry->data.normal.mask_normal_color));
420         self->a_mask->texture[0].data.mask.color = c;
421
422         self->a_mask->surface.parent = item_a;
423         self->a_mask->surface.parentx = PADDING;
424         self->a_mask->surface.parenty = frame->item_margin.top;
425         RrPaint(self->a_mask, self->icon,
426                 self->frame->item_h - frame->item_margin.top
427                 - frame->item_margin.bottom,
428                 self->frame->item_h - frame->item_margin.top
429                 - frame->item_margin.bottom);
430         XMapWindow(ob_display, self->icon);
431     } else
432         XUnmapWindow(ob_display, self->icon);
433
434     if (self->entry->type == OB_MENU_ENTRY_TYPE_SUBMENU) {
435         RrAppearance *bullet_a;
436         XMoveResizeWindow(ob_display, self->bullet,
437                           self->frame->text_x + self->frame->text_w
438                           - self->frame->item_h + PADDING, PADDING,
439                           self->frame->item_h - 2*PADDING,
440                           self->frame->item_h - 2*PADDING);
441         bullet_a = (self == self->frame->selected ?
442                     self->a_bullet_selected :
443                     self->a_bullet_normal);
444         bullet_a->surface.parent = item_a;
445         bullet_a->surface.parentx =
446             self->frame->text_x + self->frame->text_w - self->frame->item_h
447             + PADDING;
448         bullet_a->surface.parenty = PADDING;
449         RrPaint(bullet_a, self->bullet,
450                 self->frame->item_h - 2*PADDING,
451                 self->frame->item_h - 2*PADDING);
452         XMapWindow(ob_display, self->bullet);
453     } else
454         XUnmapWindow(ob_display, self->bullet);
455
456     XFlush(ob_display);
457 }
458
459 static void menu_frame_render(ObMenuFrame *self)
460 {
461     gint w = 0, h = 0;
462     gint tw, th; /* temps */
463     GList *it;
464     gboolean has_icon = FALSE;
465     ObMenu *sub;
466
467     XSetWindowBorderWidth(ob_display, self->window, ob_rr_theme->mbwidth);
468     XSetWindowBorder(ob_display, self->window,
469                      RrColorPixel(ob_rr_theme->menu_b_color));
470
471     /* find text dimensions */
472
473     STRUT_SET(self->item_margin, 0, 0, 0, 0);
474
475     if (self->entries) {
476         ObMenuEntryFrame *e = self->entries->data;
477         gint l, t, r, b;
478
479         e->a_text_normal->texture[0].data.text.string = "";
480         RrMinsize(e->a_text_normal, &tw, &th);
481         tw += 2*PADDING;
482         th += 2*PADDING;
483         self->item_h = th;
484
485         self->a_title->texture[0].data.text.string = "";
486         RrMinsize(self->a_title, &tw, &th);
487         tw += 2*PADDING;
488         th += 2*PADDING;
489         self->title_h = th;
490
491         RrMargins(e->a_normal, &l, &t, &r, &b);
492         STRUT_SET(self->item_margin,
493                   MAX(self->item_margin.left, l),
494                   MAX(self->item_margin.top, t),
495                   MAX(self->item_margin.right, r),
496                   MAX(self->item_margin.bottom, b));
497         RrMargins(e->a_selected, &l, &t, &r, &b);
498         STRUT_SET(self->item_margin,
499                   MAX(self->item_margin.left, l),
500                   MAX(self->item_margin.top, t),
501                   MAX(self->item_margin.right, r),
502                   MAX(self->item_margin.bottom, b));
503         RrMargins(e->a_disabled, &l, &t, &r, &b);
504         STRUT_SET(self->item_margin,
505                   MAX(self->item_margin.left, l),
506                   MAX(self->item_margin.top, t),
507                   MAX(self->item_margin.right, r),
508                   MAX(self->item_margin.bottom, b));
509     } else
510         self->item_h = 0;
511
512     /* render the entries */
513
514     for (it = self->entries; it; it = g_list_next(it)) {
515         RrAppearance *text_a;
516         ObMenuEntryFrame *e = it->data;
517
518         RECT_SET_POINT(e->area, 0, h);
519         XMoveWindow(ob_display, e->window, 0, e->area.y);
520
521         text_a = ((e->entry->type == OB_MENU_ENTRY_TYPE_NORMAL &&
522                    !e->entry->data.normal.enabled) ?
523                   e->a_text_disabled :
524                   (e == self->selected ?
525                    e->a_text_selected :
526                    e->a_text_normal));
527         switch (e->entry->type) {
528         case OB_MENU_ENTRY_TYPE_NORMAL:
529             text_a->texture[0].data.text.string = e->entry->data.normal.label;
530             RrMinsize(text_a, &tw, &th);
531             tw = MIN(tw, MAX_MENU_WIDTH);
532
533             if (e->entry->data.normal.icon_data ||
534                 e->entry->data.normal.mask)
535                 has_icon = TRUE;
536             break;
537         case OB_MENU_ENTRY_TYPE_SUBMENU:
538             sub = e->entry->data.submenu.submenu;
539             text_a->texture[0].data.text.string = sub ? sub->title : "";
540             RrMinsize(text_a, &tw, &th);
541             tw = MIN(tw, MAX_MENU_WIDTH);
542
543             if (e->entry->data.normal.icon_data ||
544                 e->entry->data.normal.mask)
545                 has_icon = TRUE;
546
547             tw += self->item_h - PADDING;
548             break;
549         case OB_MENU_ENTRY_TYPE_SEPARATOR:
550             if (e->entry->data.separator.label != NULL) {
551                 self->a_title->texture[0].data.text.string =
552                     e->entry->data.separator.label;
553                 RrMinsize(self->a_title, &tw, &th);
554                 tw = MIN(tw, MAX_MENU_WIDTH);
555             } else {
556                 tw = 0;
557                 th = SEPARATOR_HEIGHT;
558             }
559             break;
560         }
561         tw += 2*PADDING;
562         th += 2*PADDING;
563         w = MAX(w, tw);
564         h += th;
565     }
566
567     self->text_x = PADDING;
568     self->text_w = w;
569
570     if (self->entries) {
571         if (has_icon) {
572             w += self->item_h + PADDING;
573             self->text_x += self->item_h + PADDING;
574         }
575     }
576
577     if (!w) w = 10;
578     if (!h) h = 3;
579
580     XResizeWindow(ob_display, self->window, w, h);
581
582     self->inner_w = w;
583
584     RrPaint(self->a_items, self->window, w, h);
585
586     for (it = self->entries; it; it = g_list_next(it))
587         menu_entry_frame_render(it->data);
588
589     w += ob_rr_theme->mbwidth * 2;
590     h += ob_rr_theme->mbwidth * 2;
591
592     RECT_SET_SIZE(self->area, w, h);
593
594     XFlush(ob_display);
595 }
596
597 static void menu_frame_update(ObMenuFrame *self)
598 {
599     GList *mit, *fit;
600
601     menu_pipe_execute(self->menu);
602     menu_find_submenus(self->menu);
603
604     self->selected = NULL;
605
606     for (mit = self->menu->entries, fit = self->entries; mit && fit;
607          mit = g_list_next(mit), fit = g_list_next(fit))
608     {
609         ObMenuEntryFrame *f = fit->data;
610         f->entry = mit->data;
611     }
612
613     while (mit) {
614         ObMenuEntryFrame *e = menu_entry_frame_new(mit->data, self);
615         self->entries = g_list_append(self->entries, e);
616         mit = g_list_next(mit);
617     }
618     
619     while (fit) {
620         GList *n = g_list_next(fit);
621         menu_entry_frame_free(fit->data);
622         self->entries = g_list_delete_link(self->entries, fit);
623         fit = n;
624     }
625
626     menu_frame_render(self);
627 }
628
629 static gboolean menu_frame_is_visible(ObMenuFrame *self)
630 {
631     return !!(g_list_find(menu_frame_visible, self));
632 }
633
634 static gboolean menu_frame_show(ObMenuFrame *self)
635 {
636     GList *it;
637
638     if (menu_frame_visible == NULL) {
639         /* no menus shown yet */
640         if (!grab_pointer(TRUE, OB_CURSOR_POINTER))
641             return FALSE;
642         if (!grab_keyboard(TRUE)) {
643             grab_pointer(FALSE, OB_CURSOR_POINTER);
644             return FALSE;
645         }
646     }
647
648     /* determine if the underlying menu is already visible */
649     for (it = menu_frame_visible; it; it = g_list_next(it)) {
650         ObMenuFrame *f = it->data;
651         if (f->menu == self->menu)
652             break;
653     }
654     if (!it) {
655         if (self->menu->update_func)
656             self->menu->update_func(self, self->menu->data);
657     }
658
659     menu_frame_update(self);
660
661     menu_frame_visible = g_list_prepend(menu_frame_visible, self);
662
663     return TRUE;
664 }
665
666 gboolean menu_frame_show_topmenu(ObMenuFrame *self, gint x, gint y)
667 {
668     gint dx, dy;
669     guint i;
670
671     if (menu_frame_is_visible(self))
672         return TRUE;
673     if (!menu_frame_show(self))
674         return FALSE;
675
676     menu_frame_place_topmenu(self, x, y);
677
678     /* find the monitor the menu is on */
679     for (i = 0; i < screen_num_monitors; ++i) {
680         Rect *a = screen_physical_area_monitor(i);
681         if (RECT_CONTAINS(*a, x, y)) {
682             self->monitor = i;
683             break;
684         }
685     }
686
687     menu_frame_move_on_screen(self, &dx, &dy);
688     menu_frame_move(self, self->area.x + dx, self->area.y + dy);
689
690     XMapWindow(ob_display, self->window);
691
692     return TRUE;
693 }
694
695 gboolean menu_frame_show_submenu(ObMenuFrame *self, ObMenuFrame *parent,
696                                  ObMenuEntryFrame *parent_entry)
697 {
698     ObMenuEntryFrame *e;
699     gint dx, dy;
700
701     if (menu_frame_is_visible(self))
702         return TRUE;
703
704     self->monitor = parent->monitor;
705     self->parent = parent;
706     self->parent_entry = parent_entry;
707
708     /* set up parent's child to be us */
709     if (parent->child)
710         menu_frame_hide(parent->child);
711     parent->child = self;
712
713     if (!menu_frame_show(self))
714         return FALSE;
715
716     menu_frame_place_submenu(self);
717     menu_frame_move_on_screen(self, &dx, &dy);
718
719     if (dx == 0) {
720         menu_frame_move(self, self->area.x, self->area.y + dy);
721     } else {
722         gboolean dir;
723
724         /* flip the direction in which we're placing submenus */
725         if (dx > 0)
726             dir = TRUE;
727         else
728             dir = FALSE;
729
730         /* if it changed, then replace the menu on the opposite side,
731            and try keep it on the screen too */
732         if (dir != self->direction_right) {
733             self->direction_right = dir;
734             menu_frame_place_submenu(self);
735             menu_frame_move_on_screen(self, &dx, &dy);
736             menu_frame_move(self, self->area.x + dx, self->area.y + dy);
737         }
738     }
739
740     XMapWindow(ob_display, self->window);
741
742     if (screen_pointer_pos(&dx, &dy) && (e = menu_entry_frame_under(dx, dy)) &&
743         e->frame == self)
744         ++e->ignore_enters;
745
746     return TRUE;
747 }
748
749 void menu_frame_hide(ObMenuFrame *self)
750 {
751     GList *it = g_list_find(menu_frame_visible, self);
752
753     if (!it)
754         return;
755
756     if (self->child)
757         menu_frame_hide(self->child);
758
759     if (self->parent)
760         self->parent->child = NULL;
761     self->parent = NULL;
762     self->parent_entry = NULL;
763
764     menu_frame_visible = g_list_delete_link(menu_frame_visible, it);
765
766     if (menu_frame_visible == NULL) {
767         /* last menu shown */
768         grab_pointer(FALSE, OB_CURSOR_NONE);
769         grab_keyboard(FALSE);
770     }
771
772     XUnmapWindow(ob_display, self->window);
773
774     menu_frame_free(self);
775 }
776
777 void menu_frame_hide_all()
778 {
779     GList *it;
780
781     if (config_submenu_show_delay) {
782         /* remove any submenu open requests */
783         ob_main_loop_timeout_remove(ob_main_loop,
784                                     menu_entry_frame_submenu_timeout);
785     }
786     if ((it = g_list_last(menu_frame_visible)))
787         menu_frame_hide(it->data);
788 }
789
790 void menu_frame_hide_all_client(ObClient *client)
791 {
792     GList *it = g_list_last(menu_frame_visible);
793     if (it) {
794         ObMenuFrame *f = it->data;
795         if (f->client == client)
796             menu_frame_hide(f);
797     }
798 }
799
800
801 ObMenuFrame* menu_frame_under(gint x, gint y)
802 {
803     ObMenuFrame *ret = NULL;
804     GList *it;
805
806     for (it = menu_frame_visible; it; it = g_list_next(it)) {
807         ObMenuFrame *f = it->data;
808
809         if (RECT_CONTAINS(f->area, x, y)) {
810             ret = f;
811             break;
812         }
813     }
814     return ret;
815 }
816
817 ObMenuEntryFrame* menu_entry_frame_under(gint x, gint y)
818 {
819     ObMenuFrame *frame;
820     ObMenuEntryFrame *ret = NULL;
821     GList *it;
822
823     if ((frame = menu_frame_under(x, y))) {
824         x -= ob_rr_theme->mbwidth + frame->area.x;
825         y -= ob_rr_theme->mbwidth + frame->area.y;
826
827         for (it = frame->entries; it; it = g_list_next(it)) {
828             ObMenuEntryFrame *e = it->data;
829
830             if (RECT_CONTAINS(e->area, x, y)) {
831                 ret = e;            
832                 break;
833             }
834         }
835     }
836     return ret;
837 }
838
839 static gboolean menu_entry_frame_submenu_timeout(gpointer data)
840 {
841     menu_entry_frame_show_submenu((ObMenuEntryFrame*)data);
842     return FALSE;
843 }
844
845 void menu_frame_select(ObMenuFrame *self, ObMenuEntryFrame *entry)
846 {
847     ObMenuEntryFrame *old = self->selected;
848     ObMenuFrame *oldchild = self->child;
849
850     if (entry && entry->entry->type == OB_MENU_ENTRY_TYPE_SEPARATOR)
851         entry = old;
852
853     if (old == entry) return;
854    
855     if (config_submenu_show_delay) { 
856         /* remove any submenu open requests */
857         ob_main_loop_timeout_remove(ob_main_loop,
858                                     menu_entry_frame_submenu_timeout);
859     }
860
861     self->selected = entry;
862
863     if (old)
864         menu_entry_frame_render(old);
865     if (oldchild)
866         menu_frame_hide(oldchild);
867
868     if (self->selected) {
869         menu_entry_frame_render(self->selected);
870
871         if (self->selected->entry->type == OB_MENU_ENTRY_TYPE_SUBMENU) {
872             if (config_submenu_show_delay) {
873                 /* initiate a new submenu open request */
874                 ob_main_loop_timeout_add(ob_main_loop,
875                                          config_submenu_show_delay * 1000,
876                                          menu_entry_frame_submenu_timeout,
877                                          self->selected,
878                                          NULL);
879             } else {
880                 menu_entry_frame_show_submenu(self->selected);
881             }
882         }
883     }
884 }
885
886 void menu_entry_frame_show_submenu(ObMenuEntryFrame *self)
887 {
888     ObMenuFrame *f;
889
890     if (!self->entry->data.submenu.submenu) return;
891
892     f = menu_frame_new(self->entry->data.submenu.submenu,
893                        self->frame->client);
894     /* pass our direction on to our child */
895     f->direction_right = self->frame->direction_right;
896
897     menu_frame_show_submenu(f, self->frame, self);
898 }
899
900 void menu_entry_frame_execute(ObMenuEntryFrame *self, guint state, Time time)
901 {
902     if (self->entry->type == OB_MENU_ENTRY_TYPE_NORMAL &&
903         self->entry->data.normal.enabled)
904     {
905         /* grab all this shizzle, cuz when the menu gets hidden, 'self'
906            gets freed */
907         ObMenuEntry *entry = self->entry;
908         ObMenuExecuteFunc func = self->frame->menu->execute_func;
909         gpointer data = self->frame->menu->data;
910         GSList *acts = self->entry->data.normal.actions;
911         ObClient *client = self->frame->client;
912
913         /* release grabs before executing the shit */
914         if (!(state & ControlMask))
915             menu_frame_hide_all();
916
917         if (func)
918             func(entry, state, data, time);
919         else
920             action_run(acts, client, state, time);
921     }
922 }
923
924 void menu_frame_select_previous(ObMenuFrame *self)
925 {
926     GList *it = NULL, *start;
927
928     if (self->entries) {
929         start = it = g_list_find(self->entries, self->selected);
930         while (TRUE) {
931             ObMenuEntryFrame *e;
932
933             it = it ? g_list_previous(it) : g_list_last(self->entries);
934             if (it == start)
935                 break;
936
937             if (it) {
938                 e = it->data;
939                 if (e->entry->type == OB_MENU_ENTRY_TYPE_SUBMENU)
940                     break;
941                 if (e->entry->type == OB_MENU_ENTRY_TYPE_NORMAL &&
942                     e->entry->data.normal.enabled)
943                     break;
944             }
945         }
946     }
947     menu_frame_select(self, it ? it->data : NULL);
948 }
949
950 void menu_frame_select_next(ObMenuFrame *self)
951 {
952     GList *it = NULL, *start;
953
954     if (self->entries) {
955         start = it = g_list_find(self->entries, self->selected);
956         while (TRUE) {
957             ObMenuEntryFrame *e;
958
959             it = it ? g_list_next(it) : self->entries;
960             if (it == start)
961                 break;
962
963             if (it) {
964                 e = it->data;
965                 if (e->entry->type == OB_MENU_ENTRY_TYPE_SUBMENU)
966                     break;
967                 if (e->entry->type == OB_MENU_ENTRY_TYPE_NORMAL &&
968                     e->entry->data.normal.enabled)
969                     break;
970             }
971         }
972     }
973     menu_frame_select(self, it ? it->data : NULL);
974 }