plug memory leaks from the new strut code
[dana/openbox.git] / openbox / popup.c
1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
2
3    popup.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 "popup.h"
21
22 #include "openbox.h"
23 #include "frame.h"
24 #include "client.h"
25 #include "stacking.h"
26 #include "event.h"
27 #include "screen.h"
28 #include "mainloop.h"
29 #include "render/render.h"
30 #include "render/theme.h"
31
32 ObPopup *popup_new()
33 {
34     XSetWindowAttributes attrib;
35     ObPopup *self = g_new0(ObPopup, 1);
36
37     self->obwin.type = Window_Internal;
38     self->gravity = NorthWestGravity;
39     self->x = self->y = self->textw = self->h = 0;
40     self->a_bg = RrAppearanceCopy(ob_rr_theme->osd_hilite_bg);
41     self->a_text = RrAppearanceCopy(ob_rr_theme->osd_hilite_label);
42     self->iconwm = self->iconhm = 1;
43
44     attrib.override_redirect = True;
45     self->bg = XCreateWindow(ob_display, RootWindow(ob_display, ob_screen),
46                              0, 0, 1, 1, 0, RrDepth(ob_rr_inst),
47                              InputOutput, RrVisual(ob_rr_inst),
48                              CWOverrideRedirect, &attrib);
49     
50     self->text = XCreateWindow(ob_display, self->bg,
51                                0, 0, 1, 1, 0, RrDepth(ob_rr_inst),
52                                InputOutput, RrVisual(ob_rr_inst), 0, NULL);
53
54     XSetWindowBorderWidth(ob_display, self->bg, ob_rr_theme->obwidth);
55     XSetWindowBorder(ob_display, self->bg,
56                      RrColorPixel(ob_rr_theme->osd_border_color));
57
58     XMapWindow(ob_display, self->text);
59
60     stacking_add(INTERNAL_AS_WINDOW(self));
61     return self;
62 }
63
64 void popup_free(ObPopup *self)
65 {
66     if (self) {
67         XDestroyWindow(ob_display, self->bg);
68         XDestroyWindow(ob_display, self->text);
69         RrAppearanceFree(self->a_bg);
70         RrAppearanceFree(self->a_text);
71         stacking_remove(self);
72         g_free(self);
73     }
74 }
75
76 void popup_position(ObPopup *self, gint gravity, gint x, gint y)
77 {
78     self->gravity = gravity;
79     self->x = x;
80     self->y = y;
81 }
82
83 void popup_text_width(ObPopup *self, gint w)
84 {
85     self->textw = w;
86 }
87
88 void popup_min_width(ObPopup *self, gint minw)
89 {
90     self->minw = minw;
91 }
92
93 void popup_max_width(ObPopup *self, gint maxw)
94 {
95     self->maxw = maxw;
96 }
97
98 void popup_height(ObPopup *self, gint h)
99 {
100     gint texth;
101
102     /* don't let the height be smaller than the text */
103     texth = RrMinHeight(self->a_text) + ob_rr_theme->paddingy * 2;
104     self->h = MAX(h, texth);
105 }
106
107 void popup_text_width_to_string(ObPopup *self, gchar *text)
108 {
109     if (text[0] != '\0') {
110         self->a_text->texture[0].data.text.string = text;
111         self->textw = RrMinWidth(self->a_text);
112     } else
113         self->textw = 0;    
114 }
115
116 void popup_height_to_string(ObPopup *self, gchar *text)
117 {
118     self->h = RrMinHeight(self->a_text) + ob_rr_theme->paddingy * 2;
119 }
120
121 void popup_text_width_to_strings(ObPopup *self, gchar **strings, gint num)
122 {
123     gint i, maxw;
124
125     maxw = 0;
126     for (i = 0; i < num; ++i) {
127         popup_text_width_to_string(self, strings[i]);
128         maxw = MAX(maxw, self->textw);
129     }
130     self->textw = maxw;
131 }
132
133 void popup_set_text_align(ObPopup *self, RrJustify align)
134 {
135     self->a_text->texture[0].data.text.justify = align;
136 }
137
138 static gboolean popup_show_timeout(gpointer data)
139 {
140     ObPopup *self = data;
141     
142     XMapWindow(ob_display, self->bg);
143     stacking_raise(INTERNAL_AS_WINDOW(self));
144     self->mapped = TRUE;
145     self->delay_mapped = FALSE;
146
147     return FALSE; /* don't repeat */
148 }
149
150 void popup_delay_show(ObPopup *self, gulong usec, gchar *text)
151 {
152     gint l, t, r, b;
153     gint x, y, w, h;
154     gint emptyx, emptyy; /* empty space between elements */
155     gint textx, texty, textw, texth;
156     gint iconx, icony, iconw, iconh;
157     Rect *area;
158
159     area = screen_physical_area();
160
161     /* when there is no icon and the text is not parent relative, then 
162        fill the whole dialog with the text appearance, don't use the bg at all
163     */
164     if (self->hasicon || self->a_text->surface.grad == RR_SURFACE_PARENTREL)
165         RrMargins(self->a_bg, &l, &t, &r, &b);
166     else
167         l = t = r = b = 0;
168
169     /* set up the textures */
170     self->a_text->texture[0].data.text.string = text;
171
172     /* measure the text out */
173     if (text[0] != '\0') {
174         RrMinSize(self->a_text, &textw, &texth);
175     } else {
176         textw = 0;
177         texth = RrMinHeight(self->a_text);
178     }
179
180     /* get the height, which is also used for the icon width */
181     emptyy = t + b + ob_rr_theme->paddingy * 2;
182     if (self->h)
183         texth = self->h - emptyy;
184     h = texth * self->iconhm + emptyy;
185
186     if (self->textw)
187         textw = self->textw;
188
189     iconx = textx = l + ob_rr_theme->paddingx;
190
191     emptyx = l + r + ob_rr_theme->paddingx * 2;
192     if (self->hasicon) {
193         iconw = texth * self->iconwm;
194         iconh = texth * self->iconhm;
195         textx += iconw + ob_rr_theme->paddingx;
196         if (textw)
197             emptyx += ob_rr_theme->paddingx; /* between the icon and text */
198     } else
199         iconw = 0;
200
201     texty = (h - texth - emptyy) / 2 + t + ob_rr_theme->paddingy;
202     icony = (h - iconh - emptyy) / 2 + t + ob_rr_theme->paddingy;
203
204     /* when there is no icon, then fill the whole dialog with the text
205        appearance
206     */
207     if (!self->hasicon)
208     {
209         textx = texty = 0;
210         texth += emptyy;
211         textw += emptyx;
212         emptyx = emptyy = 0;
213     }
214
215     w = textw + emptyx + iconw;
216     /* cap it at maxw/minw */
217     if (self->maxw) w = MIN(w, self->maxw);
218     if (self->minw) w = MAX(w, self->minw);
219     textw = w - emptyx - iconw;
220
221     /* sanity checks to avoid crashes! */
222     if (w < 1) w = 1;
223     if (h < 1) h = 1;
224     if (texth < 1) texth = 1;
225
226     /* set up the x coord */
227     x = self->x;
228     switch (self->gravity) {
229     case NorthGravity: case CenterGravity: case SouthGravity:
230         x -= w / 2;
231         break;
232     case NorthEastGravity: case EastGravity: case SouthEastGravity:
233         x -= w;
234         break;
235     }
236
237     /* set up the y coord */
238     y = self->y;
239     switch (self->gravity) {
240     case WestGravity: case CenterGravity: case EastGravity:
241         y -= h / 2;
242         break;
243     case SouthWestGravity: case SouthGravity: case SouthEastGravity:
244         y -= h;
245         break;
246     }
247
248     x=MAX(MIN(x, area->width-w),0);
249     y=MAX(MIN(y, area->height-h),0);
250     
251     /* set the windows/appearances up */
252     XMoveResizeWindow(ob_display, self->bg, x, y, w, h);
253     /* when there is no icon and the text is not parent relative, then 
254        fill the whole dialog with the text appearance, don't use the bg at all
255     */
256     if (self->hasicon || self->a_text->surface.grad == RR_SURFACE_PARENTREL)
257         RrPaint(self->a_bg, self->bg, w, h);
258
259     if (textw) {
260         self->a_text->surface.parent = self->a_bg;
261         self->a_text->surface.parentx = textx;
262         self->a_text->surface.parenty = texty;
263         XMoveResizeWindow(ob_display, self->text, textx, texty, textw, texth);
264         RrPaint(self->a_text, self->text, textw, texth);
265     }
266
267     if (self->hasicon)
268         self->draw_icon(iconx, icony, iconw, iconh, self->draw_icon_data);
269
270     /* do the actual showing */
271     if (!self->mapped) {
272         if (usec) {
273             /* don't kill previous show timers */
274             if (!self->delay_mapped) {
275                 ob_main_loop_timeout_add(ob_main_loop, usec,
276                                          popup_show_timeout, self,
277                                          g_direct_equal, NULL);
278                 self->delay_mapped = TRUE;
279             }
280         } else {
281             popup_show_timeout(self);
282         }
283     }
284
285     g_free(area);
286 }
287
288 void popup_hide(ObPopup *self)
289 {
290     if (self->mapped) {
291         gulong ignore_start;
292
293         /* kill enter events cause by this unmapping */
294         ignore_start = event_start_ignore_all_enters();
295
296         XUnmapWindow(ob_display, self->bg);
297         self->mapped = FALSE;
298
299         event_end_ignore_all_enters(ignore_start);
300     } else if (self->delay_mapped) {
301         ob_main_loop_timeout_remove(ob_main_loop, popup_show_timeout);
302         self->delay_mapped = FALSE;
303     }
304 }
305
306 static void icon_popup_draw_icon(gint x, gint y, gint w, gint h, gpointer data)
307 {
308     ObIconPopup *self = data;
309
310     self->a_icon->surface.parent = self->popup->a_bg;
311     self->a_icon->surface.parentx = x;
312     self->a_icon->surface.parenty = y;
313     XMoveResizeWindow(ob_display, self->icon, x, y, w, h);
314     RrPaint(self->a_icon, self->icon, w, h);
315 }
316
317 ObIconPopup *icon_popup_new()
318 {
319     ObIconPopup *self;
320
321     self = g_new0(ObIconPopup, 1);
322     self->popup = popup_new(TRUE);
323     self->a_icon = RrAppearanceCopy(ob_rr_theme->a_clear_tex);
324     self->icon = XCreateWindow(ob_display, self->popup->bg,
325                                0, 0, 1, 1, 0,
326                                RrDepth(ob_rr_inst), InputOutput,
327                                RrVisual(ob_rr_inst), 0, NULL);
328     XMapWindow(ob_display, self->icon);
329
330     self->popup->hasicon = TRUE;
331     self->popup->draw_icon = icon_popup_draw_icon;
332     self->popup->draw_icon_data = self;
333
334     return self;
335 }
336
337 void icon_popup_free(ObIconPopup *self)
338 {
339     if (self) {
340         XDestroyWindow(ob_display, self->icon);
341         RrAppearanceFree(self->a_icon);
342         popup_free(self->popup);
343         g_free(self);
344     }
345 }
346
347 void icon_popup_delay_show(ObIconPopup *self, gulong usec,
348                            gchar *text, const ObClientIcon *icon)
349 {
350     if (icon) {
351         self->a_icon->texture[0].type = RR_TEXTURE_RGBA;
352         self->a_icon->texture[0].data.rgba.width = icon->width;
353         self->a_icon->texture[0].data.rgba.height = icon->height;
354         self->a_icon->texture[0].data.rgba.alpha = 0xff;
355         self->a_icon->texture[0].data.rgba.data = icon->data;
356     } else
357         self->a_icon->texture[0].type = RR_TEXTURE_NONE;
358
359     popup_delay_show(self->popup, usec, text);
360 }
361
362 void icon_popup_icon_size_multiplier(ObIconPopup *self, guint wm, guint hm)
363 {
364     /* cap them at 1 */
365     self->popup->iconwm = MAX(1, wm);
366     self->popup->iconhm = MAX(1, hm);
367 }
368
369 static void pager_popup_draw_icon(gint px, gint py, gint w, gint h,
370                                   gpointer data)
371 {
372     ObPagerPopup *self = data;
373     gint x, y;
374     guint rown, n;
375     guint horz_inc;
376     guint vert_inc;
377     guint r, c;
378     gint eachw, eachh;
379     const guint cols = screen_desktop_layout.columns;
380     const guint rows = screen_desktop_layout.rows;
381     const gint linewidth = ob_rr_theme->obwidth;
382
383     eachw = (w - ((cols + 1) * linewidth)) / cols;
384     eachh = (h - ((rows + 1) * linewidth)) / rows;
385     /* make them squares */
386     eachw = eachh = MIN(eachw, eachh);
387
388     /* center */
389     px += (w - (cols * (eachw + linewidth) + linewidth)) / 2;
390     py += (h - (rows * (eachh + linewidth) + linewidth)) / 2;
391
392     if (eachw <= 0 || eachh <= 0)
393         return;
394
395     switch (screen_desktop_layout.orientation) {
396     case OB_ORIENTATION_HORZ:
397         switch (screen_desktop_layout.start_corner) {
398         case OB_CORNER_TOPLEFT:
399             n = 0;
400             horz_inc = 1;
401             vert_inc = cols;
402             break;
403         case OB_CORNER_TOPRIGHT:
404             n = cols - 1;
405             horz_inc = -1;
406             vert_inc = cols;
407             break;
408         case OB_CORNER_BOTTOMRIGHT:
409             n = rows * cols - 1;
410             horz_inc = -1;
411             vert_inc = -screen_desktop_layout.columns;
412             break;
413         case OB_CORNER_BOTTOMLEFT:
414             n = (rows - 1) * cols;
415             horz_inc = 1;
416             vert_inc = -cols;
417             break;
418         default:
419             g_assert_not_reached();
420         }
421         break;
422     case OB_ORIENTATION_VERT:
423         switch (screen_desktop_layout.start_corner) {
424         case OB_CORNER_TOPLEFT:
425             n = 0;
426             horz_inc = rows;
427             vert_inc = 1;
428             break;
429         case OB_CORNER_TOPRIGHT:
430             n = rows * (cols - 1);
431             horz_inc = -rows;
432             vert_inc = 1;
433             break;
434         case OB_CORNER_BOTTOMRIGHT:
435             n = rows * cols - 1;
436             horz_inc = -rows;
437             vert_inc = -1;
438             break;
439         case OB_CORNER_BOTTOMLEFT:
440             n = rows - 1;
441             horz_inc = rows;
442             vert_inc = -1;
443             break;
444         default:
445             g_assert_not_reached();
446         }
447         break;
448     default:
449         g_assert_not_reached();
450     }
451
452     rown = n;
453     for (r = 0, y = 0; r < rows; ++r, y += eachh + linewidth)
454     {
455         for (c = 0, x = 0; c < cols; ++c, x += eachw + linewidth)
456         {
457             RrAppearance *a;
458
459             if (n < self->desks) {
460                 a = (n == self->curdesk ? self->hilight : self->unhilight);
461
462                 a->surface.parent = self->popup->a_bg;
463                 a->surface.parentx = x + px;
464                 a->surface.parenty = y + py;
465                 XMoveResizeWindow(ob_display, self->wins[n],
466                                   x + px, y + py, eachw, eachh);
467                 RrPaint(a, self->wins[n], eachw, eachh);
468             }
469             n += horz_inc;
470         }
471         n = rown += vert_inc;
472     }
473 }
474
475 ObPagerPopup *pager_popup_new()
476 {
477     ObPagerPopup *self;
478
479     self = g_new(ObPagerPopup, 1);
480     self->popup = popup_new(TRUE);
481
482     self->desks = 0;
483     self->wins = g_new(Window, self->desks);
484     self->hilight = RrAppearanceCopy(ob_rr_theme->osd_hilite_fg);
485     self->unhilight = RrAppearanceCopy(ob_rr_theme->osd_unhilite_fg);
486
487     self->popup->hasicon = TRUE;
488     self->popup->draw_icon = pager_popup_draw_icon;
489     self->popup->draw_icon_data = self;
490
491     return self;
492 }
493
494 void pager_popup_free(ObPagerPopup *self)
495 {
496     if (self) {
497         guint i;
498
499         for (i = 0; i < self->desks; ++i)
500             XDestroyWindow(ob_display, self->wins[i]);
501         g_free(self->wins);
502         RrAppearanceFree(self->hilight);
503         RrAppearanceFree(self->unhilight);
504         popup_free(self->popup);
505         g_free(self);
506     }
507 }
508
509 void pager_popup_delay_show(ObPagerPopup *self, gulong usec,
510                             gchar *text, guint desk)
511 {
512     guint i;
513
514     if (screen_num_desktops < self->desks)
515         for (i = screen_num_desktops; i < self->desks; ++i)
516             XDestroyWindow(ob_display, self->wins[i]);
517
518     if (screen_num_desktops != self->desks)
519         self->wins = g_renew(Window, self->wins, screen_num_desktops);
520
521     if (screen_num_desktops > self->desks)
522         for (i = self->desks; i < screen_num_desktops; ++i) {
523             XSetWindowAttributes attr;
524
525             attr.border_pixel = 
526                 RrColorPixel(ob_rr_theme->osd_border_color);
527             self->wins[i] = XCreateWindow(ob_display, self->popup->bg,
528                                           0, 0, 1, 1, ob_rr_theme->obwidth,
529                                           RrDepth(ob_rr_inst), InputOutput,
530                                           RrVisual(ob_rr_inst), CWBorderPixel,
531                                           &attr);
532             XMapWindow(ob_display, self->wins[i]);
533         }
534
535     self->desks = screen_num_desktops;
536     self->curdesk = desk;
537
538     popup_delay_show(self->popup, usec, text);
539 }
540
541 void pager_popup_icon_size_multiplier(ObPagerPopup *self, guint wm, guint hm)
542 {
543     /* cap them at 1 */
544     self->popup->iconwm = MAX(1, wm);
545     self->popup->iconhm = MAX(1, hm);
546 }