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