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[mikachu/openbox.git] / openbox / frame.c
1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
2
3    frame.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 "frame.h"
21 #include "client.h"
22 #include "openbox.h"
23 #include "extensions.h"
24 #include "prop.h"
25 #include "config.h"
26 #include "framerender.h"
27 #include "mainloop.h"
28 #include "focus.h"
29 #include "moveresize.h"
30 #include "screen.h"
31 #include "render/theme.h"
32
33 #define PLATE_EVENTMASK (SubstructureRedirectMask | FocusChangeMask)
34 #define FRAME_EVENTMASK (EnterWindowMask | LeaveWindowMask | \
35                          ButtonPressMask | ButtonReleaseMask)
36 #define ELEMENT_EVENTMASK (ButtonPressMask | ButtonReleaseMask | \
37                            ButtonMotionMask | PointerMotionMask | \
38                            EnterWindowMask | LeaveWindowMask)
39 /* The inner window does not need enter/leave events.
40    If it does get them, then it needs its own context for enter events
41    because sloppy focus will focus the window when you enter the inner window
42    from the frame. */
43 #define INNER_EVENTMASK (ButtonPressMask)
44
45 #define FRAME_ANIMATE_ICONIFY_TIME 150000 /* .15 seconds */
46 #define FRAME_ANIMATE_ICONIFY_STEP_TIME (G_USEC_PER_SEC / 60) /* 60 Hz */
47
48 #define FRAME_HANDLE_Y(f) (f->innersize.top + f->client->area.height + \
49                            f->cbwidth_y)
50
51 /* the offsets for the titlebar elements from the edge of the titlebar.
52    negative means from the right edge. */
53 gint icon_off;
54 gint label_off;
55 gint iconify_off;
56 gint desk_off;
57 gint shade_off;
58 gint max_off;
59 gint close_off;
60
61
62 static void flash_done(gpointer data);
63 static gboolean flash_timeout(gpointer data);
64
65 static void layout_title(ObFrame *self);
66 static void set_theme_statics(ObFrame *self);
67 static void free_theme_statics(ObFrame *self);
68 static gboolean frame_animate_iconify(gpointer self);
69
70 static Window createWindow(Window parent, Visual *visual,
71                            gulong mask, XSetWindowAttributes *attrib)
72 {
73     return XCreateWindow(ob_display, parent, 0, 0, 1, 1, 0,
74                          (visual ? 32 : RrDepth(ob_rr_inst)), InputOutput,
75                          (visual ? visual : RrVisual(ob_rr_inst)),
76                          mask, attrib);
77                        
78 }
79
80 static Visual *check_32bit_client(ObClient *c)
81 {
82     XWindowAttributes wattrib;
83     Status ret;
84
85     ret = XGetWindowAttributes(ob_display, c->window, &wattrib);
86     g_assert(ret != BadDrawable);
87     g_assert(ret != BadWindow);
88
89     if (wattrib.depth == 32)
90         return wattrib.visual;
91     return NULL;
92 }
93
94 ObFrame *frame_new(ObClient *client)
95 {
96     XSetWindowAttributes attrib;
97     gulong mask;
98     ObFrame *self;
99     Visual *visual;
100
101     self = g_new0(ObFrame, 1);
102     self->client = client;
103
104     visual = check_32bit_client(client);
105
106     /* create the non-visible decor windows */
107
108     mask = CWEventMask;
109     if (visual) {
110         /* client has a 32-bit visual */
111         mask |= CWColormap | CWBackPixel | CWBorderPixel;
112         /* create a colormap with the visual */
113         self->colormap = attrib.colormap =
114             XCreateColormap(ob_display,
115                             RootWindow(ob_display, ob_screen),
116                             visual, AllocNone);
117         attrib.background_pixel = BlackPixel(ob_display, 0);
118         attrib.border_pixel = BlackPixel(ob_display, 0);
119     }
120     attrib.event_mask = FRAME_EVENTMASK;
121     self->window = createWindow(RootWindow(ob_display, ob_screen), visual,
122                                 mask, &attrib);
123
124     attrib.event_mask = INNER_EVENTMASK;
125     self->inner = createWindow(self->window, visual, mask, &attrib);
126
127     mask &= ~CWEventMask;
128     self->plate = createWindow(self->inner, visual, mask, &attrib);
129
130     /* create the visible decor windows */
131
132     mask = CWEventMask;
133     if (visual) {
134         /* client has a 32-bit visual */
135         mask |= CWColormap | CWBackPixel | CWBorderPixel;
136         attrib.colormap = RrColormap(ob_rr_inst);
137     }
138     attrib.event_mask = ELEMENT_EVENTMASK;
139     self->title = createWindow(self->window, NULL, mask, &attrib);
140
141     mask |= CWCursor;
142     attrib.cursor = ob_cursor(OB_CURSOR_NORTHWEST);
143     self->tltresize = createWindow(self->title, NULL, mask, &attrib);
144     self->tllresize = createWindow(self->title, NULL, mask, &attrib);
145     attrib.cursor = ob_cursor(OB_CURSOR_NORTHEAST);
146     self->trtresize = createWindow(self->title, NULL, mask, &attrib);
147     self->trrresize = createWindow(self->title, NULL, mask, &attrib);
148
149     mask &= ~CWCursor;
150     self->label = createWindow(self->title, NULL, mask, &attrib);
151     self->max = createWindow(self->title, NULL, mask, &attrib);
152     self->close = createWindow(self->title, NULL, mask, &attrib);
153     self->desk = createWindow(self->title, NULL, mask, &attrib);
154     self->shade = createWindow(self->title, NULL, mask, &attrib);
155     self->icon = createWindow(self->title, NULL, mask, &attrib);
156     self->iconify = createWindow(self->title, NULL, mask, &attrib);
157     self->handle = createWindow(self->window, NULL, mask, &attrib);
158
159     mask |= CWCursor;
160     attrib.cursor = ob_cursor(OB_CURSOR_SOUTHWEST);
161     self->lgrip = createWindow(self->handle, NULL, mask, &attrib);
162     attrib.cursor = ob_cursor(OB_CURSOR_SOUTHEAST);
163     self->rgrip = createWindow(self->handle, NULL, mask, &attrib); 
164
165     self->focused = FALSE;
166
167     /* the other stuff is shown based on decor settings */
168     XMapWindow(ob_display, self->plate);
169     XMapWindow(ob_display, self->inner);
170     XMapWindow(ob_display, self->lgrip);
171     XMapWindow(ob_display, self->rgrip);
172     XMapWindow(ob_display, self->label);
173
174     self->max_press = self->close_press = self->desk_press = 
175         self->iconify_press = self->shade_press = FALSE;
176     self->max_hover = self->close_hover = self->desk_hover = 
177         self->iconify_hover = self->shade_hover = FALSE;
178
179     set_theme_statics(self);
180
181     return (ObFrame*)self;
182 }
183
184 static void set_theme_statics(ObFrame *self)
185 {
186     /* set colors/appearance/sizes for stuff that doesn't change */
187     XSetWindowBorder(ob_display, self->window,
188                      RrColorPixel(ob_rr_theme->frame_b_color));
189     XSetWindowBorder(ob_display, self->inner,
190                      RrColorPixel(ob_rr_theme->frame_b_color));
191     XSetWindowBorder(ob_display, self->title,
192                      RrColorPixel(ob_rr_theme->frame_b_color));
193     XSetWindowBorder(ob_display, self->handle,
194                      RrColorPixel(ob_rr_theme->frame_b_color));
195     XSetWindowBorder(ob_display, self->rgrip,
196                      RrColorPixel(ob_rr_theme->frame_b_color));
197     XSetWindowBorder(ob_display, self->lgrip,
198                      RrColorPixel(ob_rr_theme->frame_b_color));
199
200     XResizeWindow(ob_display, self->max,
201                   ob_rr_theme->button_size, ob_rr_theme->button_size);
202     XResizeWindow(ob_display, self->iconify,
203                   ob_rr_theme->button_size, ob_rr_theme->button_size);
204     XResizeWindow(ob_display, self->icon,
205                   ob_rr_theme->button_size + 2, ob_rr_theme->button_size + 2);
206     XResizeWindow(ob_display, self->close,
207                   ob_rr_theme->button_size, ob_rr_theme->button_size);
208     XResizeWindow(ob_display, self->desk,
209                   ob_rr_theme->button_size, ob_rr_theme->button_size);
210     XResizeWindow(ob_display, self->shade,
211                   ob_rr_theme->button_size, ob_rr_theme->button_size);
212     if (ob_rr_theme->handle_height > 0) {
213         XResizeWindow(ob_display, self->lgrip,
214                       ob_rr_theme->grip_width, ob_rr_theme->handle_height);
215         XResizeWindow(ob_display, self->rgrip,
216                       ob_rr_theme->grip_width, ob_rr_theme->handle_height);
217     }
218     XResizeWindow(ob_display, self->tltresize,
219                   ob_rr_theme->grip_width, ob_rr_theme->paddingy + 1);
220     XResizeWindow(ob_display, self->trtresize,
221                   ob_rr_theme->grip_width, ob_rr_theme->paddingy + 1);
222     XResizeWindow(ob_display, self->tllresize,
223                   ob_rr_theme->paddingx + 1, ob_rr_theme->title_height);
224     XResizeWindow(ob_display, self->trrresize,
225                   ob_rr_theme->paddingx + 1, ob_rr_theme->title_height);
226
227     /* set up the dynamic appearances */
228     self->a_unfocused_title = RrAppearanceCopy(ob_rr_theme->a_unfocused_title);
229     self->a_focused_title = RrAppearanceCopy(ob_rr_theme->a_focused_title);
230     self->a_unfocused_label = RrAppearanceCopy(ob_rr_theme->a_unfocused_label);
231     self->a_focused_label = RrAppearanceCopy(ob_rr_theme->a_focused_label);
232     self->a_unfocused_handle =
233         RrAppearanceCopy(ob_rr_theme->a_unfocused_handle);
234     self->a_focused_handle = RrAppearanceCopy(ob_rr_theme->a_focused_handle);
235     self->a_icon = RrAppearanceCopy(ob_rr_theme->a_icon);
236 }
237
238 static void free_theme_statics(ObFrame *self)
239 {
240     RrAppearanceFree(self->a_unfocused_title); 
241     RrAppearanceFree(self->a_focused_title);
242     RrAppearanceFree(self->a_unfocused_label);
243     RrAppearanceFree(self->a_focused_label);
244     RrAppearanceFree(self->a_unfocused_handle);
245     RrAppearanceFree(self->a_focused_handle);
246     RrAppearanceFree(self->a_icon);
247 }
248
249 void frame_free(ObFrame *self)
250 {
251     free_theme_statics(self);
252
253     XDestroyWindow(ob_display, self->window);
254     if (self->colormap)
255         XFreeColormap(ob_display, self->colormap);
256
257     g_free(self);
258 }
259
260 void frame_show(ObFrame *self)
261 {
262     if (!self->visible) {
263         self->visible = TRUE;
264         XMapWindow(ob_display, self->client->window);
265         XMapWindow(ob_display, self->window);
266     }
267 }
268
269 void frame_hide(ObFrame *self)
270 {
271     if (self->visible) {
272         self->visible = FALSE;
273         if (!frame_iconify_animating(self))
274             XUnmapWindow(ob_display, self->window);
275         /* we unmap the client itself so that we can get MapRequest
276            events, and because the ICCCM tells us to! */
277         XUnmapWindow(ob_display, self->client->window);
278         self->client->ignore_unmaps += 1;
279     }
280 }
281
282 void frame_adjust_theme(ObFrame *self)
283 {
284     free_theme_statics(self);
285     set_theme_statics(self);
286 }
287
288 void frame_adjust_shape(ObFrame *self)
289 {
290 #ifdef SHAPE
291     gint num;
292     XRectangle xrect[2];
293
294     if (!self->client->shaped) {
295         /* clear the shape on the frame window */
296         XShapeCombineMask(ob_display, self->window, ShapeBounding,
297                           self->innersize.left,
298                           self->innersize.top,
299                           None, ShapeSet);
300     } else {
301         /* make the frame's shape match the clients */
302         XShapeCombineShape(ob_display, self->window, ShapeBounding,
303                            self->innersize.left,
304                            self->innersize.top,
305                            self->client->window,
306                            ShapeBounding, ShapeSet);
307
308         num = 0;
309         if (self->decorations & OB_FRAME_DECOR_TITLEBAR) {
310             xrect[0].x = -ob_rr_theme->fbwidth;
311             xrect[0].y = -ob_rr_theme->fbwidth;
312             xrect[0].width = self->width + self->rbwidth * 2;
313             xrect[0].height = ob_rr_theme->title_height +
314                 self->bwidth * 2;
315             ++num;
316         }
317
318         if (self->decorations & OB_FRAME_DECOR_HANDLE) {
319             xrect[1].x = -ob_rr_theme->fbwidth;
320             xrect[1].y = FRAME_HANDLE_Y(self);
321             xrect[1].width = self->width + self->rbwidth * 2;
322             xrect[1].height = ob_rr_theme->handle_height +
323                 self->bwidth * 2;
324             ++num;
325         }
326
327         XShapeCombineRectangles(ob_display, self->window,
328                                 ShapeBounding, 0, 0, xrect, num,
329                                 ShapeUnion, Unsorted);
330     }
331 #endif
332 }
333
334 void frame_adjust_area(ObFrame *self, gboolean moved,
335                        gboolean resized, gboolean fake)
336 {
337     Strut oldsize;
338
339     oldsize = self->size;
340
341     if (resized) {
342         self->decorations = self->client->decorations;
343         self->max_horz = self->client->max_horz;
344
345         if (self->decorations & OB_FRAME_DECOR_BORDER) {
346             self->bwidth = ob_rr_theme->fbwidth;
347             self->cbwidth_x = ob_rr_theme->cbwidthx;
348             self->cbwidth_y = ob_rr_theme->cbwidthy;
349         } else {
350             self->bwidth = self->cbwidth_x = self->cbwidth_y = 0;
351         }
352         self->rbwidth = self->bwidth;
353
354         if (self->max_horz)
355             self->bwidth = self->cbwidth_x = 0;
356
357         STRUT_SET(self->innersize,
358                   self->cbwidth_x,
359                   self->cbwidth_y,
360                   self->cbwidth_x,
361                   self->cbwidth_y);
362         self->width = self->client->area.width + self->cbwidth_x * 2 -
363             (self->max_horz ? self->rbwidth * 2 : 0);
364         self->width = MAX(self->width, 1); /* no lower than 1 */
365
366         /* set border widths */
367         if (!fake) {
368             XSetWindowBorderWidth(ob_display, self->window, self->bwidth);
369             XSetWindowBorderWidth(ob_display, self->inner, self->bwidth);
370             XSetWindowBorderWidth(ob_display, self->title,  self->rbwidth);
371             XSetWindowBorderWidth(ob_display, self->handle, self->rbwidth);
372             XSetWindowBorderWidth(ob_display, self->lgrip,  self->rbwidth);
373             XSetWindowBorderWidth(ob_display, self->rgrip,  self->rbwidth);
374         }
375
376         if (self->decorations & OB_FRAME_DECOR_TITLEBAR)
377             self->innersize.top += ob_rr_theme->title_height + self->rbwidth +
378                 (self->rbwidth - self->bwidth);
379         if (self->decorations & OB_FRAME_DECOR_HANDLE &&
380             ob_rr_theme->handle_height > 0)
381             self->innersize.bottom += ob_rr_theme->handle_height +
382                 self->rbwidth + (self->rbwidth - self->bwidth);
383   
384         /* position/size and map/unmap all the windows */
385
386         if (!fake) {
387             if (self->decorations & OB_FRAME_DECOR_TITLEBAR) {
388                 XMoveResizeWindow(ob_display, self->title,
389                                   -self->bwidth, -self->bwidth,
390                                   self->width, ob_rr_theme->title_height);
391                 XMapWindow(ob_display, self->title);
392
393                 if (self->decorations & OB_FRAME_DECOR_GRIPS) {
394                     XMoveWindow(ob_display, self->tltresize, 0, 0);
395                     XMoveWindow(ob_display, self->tllresize, 0, 0);
396                     XMoveWindow(ob_display, self->trtresize,
397                                 self->width - ob_rr_theme->grip_width, 0);
398                     XMoveWindow(ob_display, self->trrresize,
399                                 self->width - ob_rr_theme->paddingx - 1, 0);
400                     XMapWindow(ob_display, self->tltresize);
401                     XMapWindow(ob_display, self->tllresize);
402                     XMapWindow(ob_display, self->trtresize);
403                     XMapWindow(ob_display, self->trrresize);
404                 } else {
405                     XUnmapWindow(ob_display, self->tltresize);
406                     XUnmapWindow(ob_display, self->tllresize);
407                     XUnmapWindow(ob_display, self->trtresize);
408                     XUnmapWindow(ob_display, self->trrresize);
409                 }
410             } else
411                 XUnmapWindow(ob_display, self->title);
412         }
413
414         if ((self->decorations & OB_FRAME_DECOR_TITLEBAR))
415             /* layout the title bar elements */
416             layout_title(self);
417
418         if (!fake) {
419             if (self->decorations & OB_FRAME_DECOR_HANDLE &&
420                 ob_rr_theme->handle_height > 0)
421             {
422                 XMoveResizeWindow(ob_display, self->handle,
423                                   -self->bwidth, FRAME_HANDLE_Y(self),
424                                   self->width, ob_rr_theme->handle_height);
425                 XMapWindow(ob_display, self->handle);
426
427                 if (self->decorations & OB_FRAME_DECOR_GRIPS) {
428                     XMoveWindow(ob_display, self->lgrip,
429                                 -self->rbwidth, -self->rbwidth);
430                     XMoveWindow(ob_display, self->rgrip,
431                                 -self->rbwidth + self->width -
432                                 ob_rr_theme->grip_width, -self->rbwidth);
433                     XMapWindow(ob_display, self->lgrip);
434                     XMapWindow(ob_display, self->rgrip);
435                 } else {
436                     XUnmapWindow(ob_display, self->lgrip);
437                     XUnmapWindow(ob_display, self->rgrip);
438                 }
439             } else
440                 XUnmapWindow(ob_display, self->handle);
441
442             /* move and resize the inner border window which contains the plate
443              */
444             XMoveResizeWindow(ob_display, self->inner,
445                               self->innersize.left - self->cbwidth_x -
446                               self->bwidth,
447                               self->innersize.top - self->cbwidth_y -
448                               self->bwidth,
449                               self->client->area.width +
450                               self->cbwidth_x * 2,
451                               self->client->area.height +
452                               self->cbwidth_y * 2);
453
454             /* move the plate */
455             XMoveWindow(ob_display, self->plate,
456                         self->cbwidth_x, self->cbwidth_y);
457
458             /* when the client has StaticGravity, it likes to move around. */
459             XMoveWindow(ob_display, self->client->window, 0, 0);
460         }
461
462         STRUT_SET(self->size,
463                   self->innersize.left + self->bwidth,
464                   self->innersize.top + self->bwidth,
465                   self->innersize.right + self->bwidth,
466                   self->innersize.bottom + self->bwidth);
467     }
468
469     /* shading can change without being moved or resized */
470     RECT_SET_SIZE(self->area,
471                   self->client->area.width +
472                   self->size.left + self->size.right,
473                   (self->client->shaded ?
474                    ob_rr_theme->title_height + self->rbwidth * 2:
475                    self->client->area.height +
476                    self->size.top + self->size.bottom));
477
478     if (moved || resized) {
479         /* find the new coordinates, done after setting the frame.size, for
480            frame_client_gravity. */
481         self->area.x = self->client->area.x;
482         self->area.y = self->client->area.y;
483         frame_client_gravity(self, &self->area.x, &self->area.y,
484                              self->client->area.width,
485                              self->client->area.height);
486     }
487
488     if (!fake) {
489         if (!frame_iconify_animating(self))
490             /* move and resize the top level frame.
491                shading can change without being moved or resized.
492                
493                but don't do this during an iconify animation. it will be
494                reflected afterwards.
495             */
496             XMoveResizeWindow(ob_display, self->window,
497                               self->area.x, self->area.y,
498                               self->area.width - self->bwidth * 2,
499                               self->area.height - self->bwidth * 2);
500
501         if (resized) {
502             framerender_frame(self);
503             frame_adjust_shape(self);
504         }
505
506         if (!STRUT_EQUAL(self->size, oldsize)) {
507             gulong vals[4];
508             vals[0] = self->size.left;
509             vals[1] = self->size.right;
510             vals[2] = self->size.top;
511             vals[3] = self->size.bottom;
512             PROP_SETA32(self->client->window, net_frame_extents,
513                         cardinal, vals, 4);
514             PROP_SETA32(self->client->window, kde_net_wm_frame_strut,
515                         cardinal, vals, 4);
516         }
517
518         /* if this occurs while we are focus cycling, the indicator needs to
519            match the changes */
520         if (focus_cycle_target == self->client)
521             focus_cycle_draw_indicator();
522     }
523     if (resized && (self->decorations & OB_FRAME_DECOR_TITLEBAR))
524         XResizeWindow(ob_display, self->label, self->label_width,
525                       ob_rr_theme->label_height);
526 }
527
528 void frame_adjust_client_area(ObFrame *self)
529 {
530     /* resize the plate */
531     XResizeWindow(ob_display, self->plate,
532                   self->client->area.width, self->client->area.height);
533 }
534
535 void frame_adjust_state(ObFrame *self)
536 {
537     framerender_frame(self);
538 }
539
540 void frame_adjust_focus(ObFrame *self, gboolean hilite)
541 {
542     self->focused = hilite;
543     framerender_frame(self);
544     XFlush(ob_display);
545 }
546
547 void frame_adjust_title(ObFrame *self)
548 {
549     framerender_frame(self);
550 }
551
552 void frame_adjust_icon(ObFrame *self)
553 {
554     framerender_frame(self);
555 }
556
557 void frame_grab_client(ObFrame *self)
558 {
559     /* reparent the client to the frame */
560     XReparentWindow(ob_display, self->client->window, self->plate, 0, 0);
561     /*
562       When reparenting the client window, it is usually not mapped yet, since
563       this occurs from a MapRequest. However, in the case where Openbox is
564       starting up, the window is already mapped, so we'll see unmap events for
565       it. There are 2 unmap events generated that we see, one with the 'event'
566       member set the root window, and one set to the client, but both get
567       handled and need to be ignored.
568     */
569     if (ob_state() == OB_STATE_STARTING)
570         self->client->ignore_unmaps += 2;
571
572     /* select the event mask on the client's parent (to receive config/map
573        req's) the ButtonPress is to catch clicks on the client border */
574     XSelectInput(ob_display, self->plate, PLATE_EVENTMASK);
575
576     /* map the client so it maps when the frame does */
577     XMapWindow(ob_display, self->client->window);
578
579     /* set all the windows for the frame in the window_map */
580     g_hash_table_insert(window_map, &self->window, self->client);
581     g_hash_table_insert(window_map, &self->plate, self->client);
582     g_hash_table_insert(window_map, &self->inner, self->client);
583     g_hash_table_insert(window_map, &self->title, self->client);
584     g_hash_table_insert(window_map, &self->label, self->client);
585     g_hash_table_insert(window_map, &self->max, self->client);
586     g_hash_table_insert(window_map, &self->close, self->client);
587     g_hash_table_insert(window_map, &self->desk, self->client);
588     g_hash_table_insert(window_map, &self->shade, self->client);
589     g_hash_table_insert(window_map, &self->icon, self->client);
590     g_hash_table_insert(window_map, &self->iconify, self->client);
591     g_hash_table_insert(window_map, &self->handle, self->client);
592     g_hash_table_insert(window_map, &self->lgrip, self->client);
593     g_hash_table_insert(window_map, &self->rgrip, self->client);
594     g_hash_table_insert(window_map, &self->tltresize, self->client);
595     g_hash_table_insert(window_map, &self->tllresize, self->client);
596     g_hash_table_insert(window_map, &self->trtresize, self->client);
597     g_hash_table_insert(window_map, &self->trrresize, self->client);
598 }
599
600 void frame_release_client(ObFrame *self)
601 {
602     XEvent ev;
603     gboolean reparent = TRUE;
604
605     /* if there was any animation going on, kill it */
606     ob_main_loop_timeout_remove_data(ob_main_loop, frame_animate_iconify,
607                                      self, FALSE);
608
609     /* check if the app has already reparented its window away */
610     while (XCheckTypedWindowEvent(ob_display, self->client->window,
611                                   ReparentNotify, &ev))
612     {
613         /* This check makes sure we don't catch our own reparent action to
614            our frame window. This doesn't count as the app reparenting itself
615            away of course.
616
617            Reparent events that are generated by us are just discarded here.
618            They are of no consequence to us anyhow.
619         */
620         if (ev.xreparent.parent != self->plate) {
621             reparent = FALSE;
622             XPutBackEvent(ob_display, &ev);
623             break;
624         }
625     }
626
627     if (reparent) {
628         /* according to the ICCCM - if the client doesn't reparent itself,
629            then we will reparent the window to root for them */
630         XReparentWindow(ob_display, self->client->window,
631                         RootWindow(ob_display, ob_screen),
632                         self->client->area.x,
633                         self->client->area.y);
634     }
635
636     /* remove all the windows for the frame from the window_map */
637     g_hash_table_remove(window_map, &self->window);
638     g_hash_table_remove(window_map, &self->plate);
639     g_hash_table_remove(window_map, &self->inner);
640     g_hash_table_remove(window_map, &self->title);
641     g_hash_table_remove(window_map, &self->label);
642     g_hash_table_remove(window_map, &self->max);
643     g_hash_table_remove(window_map, &self->close);
644     g_hash_table_remove(window_map, &self->desk);
645     g_hash_table_remove(window_map, &self->shade);
646     g_hash_table_remove(window_map, &self->icon);
647     g_hash_table_remove(window_map, &self->iconify);
648     g_hash_table_remove(window_map, &self->handle);
649     g_hash_table_remove(window_map, &self->lgrip);
650     g_hash_table_remove(window_map, &self->rgrip);
651     g_hash_table_remove(window_map, &self->tltresize);
652     g_hash_table_remove(window_map, &self->tllresize);
653     g_hash_table_remove(window_map, &self->trtresize);
654     g_hash_table_remove(window_map, &self->trrresize);
655
656     ob_main_loop_timeout_remove_data(ob_main_loop, flash_timeout, self, TRUE);
657 }
658
659 /* is there anything present between us and the label? */
660 static gboolean is_button_present(ObFrame *self, const gchar *lc, gint dir) {
661     for (; *lc != '\0' && lc >= config_title_layout; lc += dir) {
662         if (*lc == ' ') continue; /* it was invalid */
663         if (*lc == 'N' && self->decorations & OB_FRAME_DECOR_ICON)
664             return TRUE;
665         if (*lc == 'D' && self->decorations & OB_FRAME_DECOR_ALLDESKTOPS)
666             return TRUE;
667         if (*lc == 'S' && self->decorations & OB_FRAME_DECOR_SHADE)
668             return TRUE;
669         if (*lc == 'I' && self->decorations & OB_FRAME_DECOR_ICONIFY)
670             return TRUE;
671         if (*lc == 'M' && self->decorations & OB_FRAME_DECOR_MAXIMIZE)
672             return TRUE;
673         if (*lc == 'C' && self->decorations & OB_FRAME_DECOR_CLOSE)
674             return TRUE;
675         if (*lc == 'L') return FALSE;
676     }
677     return FALSE;
678 }
679
680 static void layout_title(ObFrame *self)
681 {
682     gchar *lc;
683     gint i;
684
685     const gint bwidth = ob_rr_theme->button_size + ob_rr_theme->paddingx + 1;
686     /* position of the left most button */
687     const gint left = ob_rr_theme->paddingx + 1;
688     /* position of the right most button */
689     const gint right = self->width - bwidth;
690
691     /* turn them all off */
692     self->icon_on = self->desk_on = self->shade_on = self->iconify_on =
693         self->max_on = self->close_on = self->label_on = FALSE;
694     self->label_width = self->width - (ob_rr_theme->paddingx + 1) * 2;
695     self->leftmost = self->rightmost = OB_FRAME_CONTEXT_NONE;
696
697     /* figure out what's being show, find each element's position, and the
698        width of the label
699
700        do the ones before the label, then after the label,
701        i will be +1 the first time through when working to the left,
702        and -1 the second time through when working to the right */
703     for (i = 1; i >= -1; i-=2) {
704         gint x;
705         ObFrameContext *firstcon;
706
707         if (i > 0) {
708             x = left;
709             lc = config_title_layout;
710             firstcon = &self->leftmost;
711         } else {
712             x = right;
713             lc = config_title_layout + strlen(config_title_layout)-1;
714             firstcon = &self->rightmost;
715         }
716
717         /* stop at the end of the string (or the label, which calls break) */
718         for (; *lc != '\0' && lc >= config_title_layout; lc+=i) {
719             if (*lc == 'L') {
720                 if (i > 0) {
721                     self->label_on = TRUE;
722                     self->label_x = x;
723                 }
724                 break; /* break the for loop, do other side of label */
725             } else if (*lc == 'N') {
726                 if (firstcon) *firstcon = OB_FRAME_CONTEXT_ICON;
727                 if ((self->icon_on = is_button_present(self, lc, i))) {
728                     /* icon is bigger than buttons */
729                     self->label_width -= bwidth + 2;
730                     self->icon_x = x;
731                     x += i * (bwidth + 2);
732                 }
733             } else if (*lc == 'D') {
734                 if (firstcon) *firstcon = OB_FRAME_CONTEXT_ALLDESKTOPS;
735                 if ((self->desk_on = is_button_present(self, lc, i))) {
736                     self->label_width -= bwidth;
737                     self->desk_x = x;
738                     x += i * bwidth;
739                 }
740             } else if (*lc == 'S') {
741                 if (firstcon) *firstcon = OB_FRAME_CONTEXT_SHADE;
742                 if ((self->shade_on = is_button_present(self, lc, i))) {
743                     self->label_width -= bwidth;
744                     self->shade_x = x;
745                     x += i * bwidth;
746                 }
747             } else if (*lc == 'I') {
748                 if (firstcon) *firstcon = OB_FRAME_CONTEXT_ICONIFY;
749                 if ((self->iconify_on = is_button_present(self, lc, i))) {
750                     self->label_width -= bwidth;
751                     self->iconify_x = x;
752                     x += i * bwidth;
753                 }
754             } else if (*lc == 'M') {
755                 if (firstcon) *firstcon = OB_FRAME_CONTEXT_MAXIMIZE;
756                 if ((self->max_on = is_button_present(self, lc, i))) {
757                     self->label_width -= bwidth;
758                     self->max_x = x;
759                     x += i * bwidth;
760                 }
761             } else if (*lc == 'C') {
762                 if (firstcon) *firstcon = OB_FRAME_CONTEXT_CLOSE;
763                 if ((self->close_on = is_button_present(self, lc, i))) {
764                     self->label_width -= bwidth;
765                     self->close_x = x;
766                     x += i * bwidth;
767                 }
768             } else
769                 continue; /* don't set firstcon */
770             firstcon = NULL;
771         }
772     }
773
774     /* position and map the elements */
775     if (self->icon_on) {
776         XMapWindow(ob_display, self->icon);
777         XMoveWindow(ob_display, self->icon, self->icon_x,
778                     ob_rr_theme->paddingy);
779     } else
780         XUnmapWindow(ob_display, self->icon);
781
782     if (self->desk_on) {
783         XMapWindow(ob_display, self->desk);
784         XMoveWindow(ob_display, self->desk, self->desk_x,
785                     ob_rr_theme->paddingy + 1);
786     } else
787         XUnmapWindow(ob_display, self->desk);
788
789     if (self->shade_on) {
790         XMapWindow(ob_display, self->shade);
791         XMoveWindow(ob_display, self->shade, self->shade_x,
792                     ob_rr_theme->paddingy + 1);
793     } else
794         XUnmapWindow(ob_display, self->shade);
795
796     if (self->iconify_on) {
797         XMapWindow(ob_display, self->iconify);
798         XMoveWindow(ob_display, self->iconify, self->iconify_x,
799                     ob_rr_theme->paddingy + 1);
800     } else
801         XUnmapWindow(ob_display, self->iconify);
802
803     if (self->max_on) {
804         XMapWindow(ob_display, self->max);
805         XMoveWindow(ob_display, self->max, self->max_x,
806                     ob_rr_theme->paddingy + 1);
807     } else
808         XUnmapWindow(ob_display, self->max);
809
810     if (self->close_on) {
811         XMapWindow(ob_display, self->close);
812         XMoveWindow(ob_display, self->close, self->close_x,
813                     ob_rr_theme->paddingy + 1);
814     } else
815         XUnmapWindow(ob_display, self->close);
816
817     if (self->label_on) {
818         self->label_width = MAX(1, self->label_width); /* no lower than 1 */
819         XMapWindow(ob_display, self->label);
820         XMoveWindow(ob_display, self->label, self->label_x,
821                     ob_rr_theme->paddingy);
822     } else
823         XUnmapWindow(ob_display, self->label);
824 }
825
826 ObFrameContext frame_context_from_string(const gchar *name)
827 {
828     if (!g_ascii_strcasecmp("Desktop", name))
829         return OB_FRAME_CONTEXT_DESKTOP;
830     else if (!g_ascii_strcasecmp("Client", name))
831         return OB_FRAME_CONTEXT_CLIENT;
832     else if (!g_ascii_strcasecmp("Titlebar", name))
833         return OB_FRAME_CONTEXT_TITLEBAR;
834     else if (!g_ascii_strcasecmp("Handle", name))
835         return OB_FRAME_CONTEXT_HANDLE;
836     else if (!g_ascii_strcasecmp("Frame", name))
837         return OB_FRAME_CONTEXT_FRAME;
838     else if (!g_ascii_strcasecmp("TLCorner", name))
839         return OB_FRAME_CONTEXT_TLCORNER;
840     else if (!g_ascii_strcasecmp("TRCorner", name))
841         return OB_FRAME_CONTEXT_TRCORNER;
842     else if (!g_ascii_strcasecmp("BLCorner", name))
843         return OB_FRAME_CONTEXT_BLCORNER;
844     else if (!g_ascii_strcasecmp("BRCorner", name))
845         return OB_FRAME_CONTEXT_BRCORNER;
846     else if (!g_ascii_strcasecmp("Maximize", name))
847         return OB_FRAME_CONTEXT_MAXIMIZE;
848     else if (!g_ascii_strcasecmp("AllDesktops", name))
849         return OB_FRAME_CONTEXT_ALLDESKTOPS;
850     else if (!g_ascii_strcasecmp("Shade", name))
851         return OB_FRAME_CONTEXT_SHADE;
852     else if (!g_ascii_strcasecmp("Iconify", name))
853         return OB_FRAME_CONTEXT_ICONIFY;
854     else if (!g_ascii_strcasecmp("Icon", name))
855         return OB_FRAME_CONTEXT_ICON;
856     else if (!g_ascii_strcasecmp("Close", name))
857         return OB_FRAME_CONTEXT_CLOSE;
858     else if (!g_ascii_strcasecmp("MoveResize", name))
859         return OB_FRAME_CONTEXT_MOVE_RESIZE;
860     return OB_FRAME_CONTEXT_NONE;
861 }
862
863 ObFrameContext frame_context(ObClient *client, Window win, gint x, gint y)
864 {
865     ObFrame *self;
866
867     if (moveresize_in_progress)
868         return OB_FRAME_CONTEXT_MOVE_RESIZE;
869
870     if (win == RootWindow(ob_display, ob_screen))
871         return OB_FRAME_CONTEXT_DESKTOP;
872     if (client == NULL) return OB_FRAME_CONTEXT_NONE;
873     if (win == client->window) {
874         /* conceptually, this is the desktop, as far as users are
875            concerned */
876         if (client->type == OB_CLIENT_TYPE_DESKTOP)
877             return OB_FRAME_CONTEXT_DESKTOP;
878         return OB_FRAME_CONTEXT_CLIENT;
879     }
880
881     self = client->frame;
882     if (win == self->inner || win == self->plate) {
883         /* conceptually, this is the desktop, as far as users are
884            concerned */
885         if (client->type == OB_CLIENT_TYPE_DESKTOP)
886             return OB_FRAME_CONTEXT_DESKTOP;
887         return OB_FRAME_CONTEXT_CLIENT;
888     }
889
890     if (win == self->title) {
891         /* when the user clicks in the corners of the titlebar and the client
892            is fully maximized, then treat it like they clicked in the
893            button that is there */
894         if (self->client->max_horz && self->client->max_vert &&
895             y < ob_rr_theme->paddingy + 1 + ob_rr_theme->button_size)
896         {
897             if (x < ((ob_rr_theme->paddingx + 1) * 2 +
898                      ob_rr_theme->button_size)) {
899                 if (self->leftmost != OB_FRAME_CONTEXT_NONE)
900                     return self->leftmost;
901             }
902             else if (x > (self->width -
903                           (ob_rr_theme->paddingx + 1 +
904                            ob_rr_theme->button_size)))
905             {
906                 if (self->rightmost != OB_FRAME_CONTEXT_NONE)
907                     return self->rightmost;
908             }
909         }
910         return OB_FRAME_CONTEXT_TITLEBAR;
911     }
912
913     if (win == self->window)    return OB_FRAME_CONTEXT_FRAME;
914     if (win == self->label)     return OB_FRAME_CONTEXT_TITLEBAR;
915     if (win == self->handle)    return OB_FRAME_CONTEXT_HANDLE;
916     if (win == self->lgrip)     return OB_FRAME_CONTEXT_BLCORNER;
917     if (win == self->rgrip)     return OB_FRAME_CONTEXT_BRCORNER;
918     if (win == self->tltresize) return OB_FRAME_CONTEXT_TLCORNER;
919     if (win == self->tllresize) return OB_FRAME_CONTEXT_TLCORNER;
920     if (win == self->trtresize) return OB_FRAME_CONTEXT_TRCORNER;
921     if (win == self->trrresize) return OB_FRAME_CONTEXT_TRCORNER;
922     if (win == self->max)       return OB_FRAME_CONTEXT_MAXIMIZE;
923     if (win == self->iconify)   return OB_FRAME_CONTEXT_ICONIFY;
924     if (win == self->close)     return OB_FRAME_CONTEXT_CLOSE;
925     if (win == self->icon)      return OB_FRAME_CONTEXT_ICON;
926     if (win == self->desk)      return OB_FRAME_CONTEXT_ALLDESKTOPS;
927     if (win == self->shade)     return OB_FRAME_CONTEXT_SHADE;
928
929     return OB_FRAME_CONTEXT_NONE;
930 }
931
932 void frame_client_gravity(ObFrame *self, gint *x, gint *y, gint w, gint h)
933 {
934     /* horizontal */
935     switch (self->client->gravity) {
936     default:
937     case NorthWestGravity:
938     case SouthWestGravity:
939     case WestGravity:
940         break;
941
942     case NorthGravity:
943     case SouthGravity:
944     case CenterGravity:
945         *x -= (self->size.left + w) / 2;
946         break;
947
948     case NorthEastGravity:
949     case SouthEastGravity:
950     case EastGravity:
951         *x -= (self->size.left + self->size.right + w) - 1;
952         break;
953
954     case ForgetGravity:
955     case StaticGravity:
956         *x -= self->size.left;
957         break;
958     }
959
960     /* vertical */
961     switch (self->client->gravity) {
962     default:
963     case NorthWestGravity:
964     case NorthEastGravity:
965     case NorthGravity:
966         break;
967
968     case CenterGravity:
969     case EastGravity:
970     case WestGravity:
971         *y -= (self->size.top + h) / 2;
972         break;
973
974     case SouthWestGravity:
975     case SouthEastGravity:
976     case SouthGravity:
977         *y -= (self->size.top + self->size.bottom + h) - 1;
978         break;
979
980     case ForgetGravity:
981     case StaticGravity:
982         *y -= self->size.top;
983         break;
984     }
985 }
986
987 void frame_frame_gravity(ObFrame *self, gint *x, gint *y, gint w, gint h)
988 {
989     /* horizontal */
990     switch (self->client->gravity) {
991     default:
992     case NorthWestGravity:
993     case WestGravity:
994     case SouthWestGravity:
995         break;
996     case NorthGravity:
997     case CenterGravity:
998     case SouthGravity:
999         *x += (self->size.left + w) / 2;
1000         break;
1001     case NorthEastGravity:
1002     case EastGravity:
1003     case SouthEastGravity:
1004         *x += (self->size.left + self->size.right + w) - 1;
1005         break;
1006     case StaticGravity:
1007     case ForgetGravity:
1008         *x += self->size.left;
1009         break;
1010     }
1011
1012     /* vertical */
1013     switch (self->client->gravity) {
1014     default:
1015     case NorthWestGravity:
1016     case NorthGravity:
1017     case NorthEastGravity:
1018         break;
1019     case WestGravity:
1020     case CenterGravity:
1021     case EastGravity:
1022         *y += (self->size.top + h) / 2;
1023         break;
1024     case SouthWestGravity:
1025     case SouthGravity:
1026     case SouthEastGravity:
1027         *y += (self->size.top + self->size.bottom + h) - 1;
1028         break;
1029     case StaticGravity:
1030     case ForgetGravity:
1031         *y += self->size.top;
1032         break;
1033     }
1034 }
1035
1036 static void flash_done(gpointer data)
1037 {
1038     ObFrame *self = data;
1039
1040     if (self->focused != self->flash_on)
1041         frame_adjust_focus(self, self->focused);
1042 }
1043
1044 static gboolean flash_timeout(gpointer data)
1045 {
1046     ObFrame *self = data;
1047     GTimeVal now;
1048
1049     g_get_current_time(&now);
1050     if (now.tv_sec > self->flash_end.tv_sec ||
1051         (now.tv_sec == self->flash_end.tv_sec &&
1052          now.tv_usec >= self->flash_end.tv_usec))
1053         self->flashing = FALSE;
1054
1055     if (!self->flashing)
1056         return FALSE; /* we are done */
1057
1058     self->flash_on = !self->flash_on;
1059     if (!self->focused) {
1060         frame_adjust_focus(self, self->flash_on);
1061         self->focused = FALSE;
1062     }
1063
1064     return TRUE; /* go again */
1065 }
1066
1067 void frame_flash_start(ObFrame *self)
1068 {
1069     self->flash_on = self->focused;
1070
1071     if (!self->flashing)
1072         ob_main_loop_timeout_add(ob_main_loop,
1073                                  G_USEC_PER_SEC * 0.6,
1074                                  flash_timeout,
1075                                  self,
1076                                  g_direct_equal,
1077                                  flash_done);
1078     g_get_current_time(&self->flash_end);
1079     g_time_val_add(&self->flash_end, G_USEC_PER_SEC * 5);
1080     
1081     self->flashing = TRUE;
1082 }
1083
1084 void frame_flash_stop(ObFrame *self)
1085 {
1086     self->flashing = FALSE;
1087 }
1088
1089 static gulong frame_animate_iconify_time_left(ObFrame *self,
1090                                               const GTimeVal *now)
1091 {
1092     glong sec, usec;
1093     sec = self->iconify_animation_end.tv_sec - now->tv_sec;
1094     usec = self->iconify_animation_end.tv_usec - now->tv_usec;
1095     if (usec < 0) {
1096         usec += G_USEC_PER_SEC;
1097         sec--;
1098     }
1099     /* no negative values */
1100     return MAX(sec * G_USEC_PER_SEC + usec, 0);
1101 }
1102
1103 static gboolean frame_animate_iconify(gpointer p)
1104 {
1105     ObFrame *self = p;
1106     gint x, y, w, h;
1107     gint iconx, icony, iconw;
1108     GTimeVal now;
1109     gulong time;
1110     gboolean iconifying;
1111
1112     if (self->client->icon_geometry.width == 0) {
1113         /* there is no icon geometry set so just go straight down */
1114         Rect *a = screen_physical_area();
1115         iconx = self->area.x + self->area.width / 2 + 32;
1116         icony = a->y + a->width;
1117         iconw = 64;
1118     } else {
1119         iconx = self->client->icon_geometry.x;
1120         icony = self->client->icon_geometry.y;
1121         iconw = self->client->icon_geometry.width;
1122     }
1123
1124     iconifying = self->iconify_animation_going > 0;
1125
1126     /* how far do we have left to go ? */
1127     g_get_current_time(&now);
1128     time = frame_animate_iconify_time_left(self, &now);
1129     
1130     if (time == 0 || iconifying) {
1131         /* start where the frame is supposed to be */
1132         x = self->area.x;
1133         y = self->area.y;
1134         w = self->area.width - self->bwidth * 2;
1135         h = self->area.height - self->bwidth * 2;
1136     } else {
1137         /* start at the icon */
1138         x = iconx;
1139         y = icony;
1140         w = iconw;
1141         h = self->innersize.top; /* just the titlebar */
1142     }
1143
1144     if (time > 0) {
1145         glong dx, dy, dw;
1146         glong elapsed;
1147
1148         dx = self->area.x - iconx;
1149         dy = self->area.y - icony;
1150         dw = self->area.width - self->bwidth * 2 - iconw;
1151          /* if restoring, we move in the opposite direction */
1152         if (!iconifying) { dx = -dx; dy = -dy; dw = -dw; }
1153
1154         elapsed = FRAME_ANIMATE_ICONIFY_TIME - time;
1155         x = x - (dx * elapsed) / FRAME_ANIMATE_ICONIFY_TIME;
1156         y = y - (dy * elapsed) / FRAME_ANIMATE_ICONIFY_TIME;
1157         w = w - (dw * elapsed) / FRAME_ANIMATE_ICONIFY_TIME;
1158         h = self->innersize.top; /* just the titlebar */
1159     }
1160
1161     if (time == 0)
1162         frame_end_iconify_animation(self);
1163     else {
1164         XMoveResizeWindow(ob_display, self->window, x, y, w, h);
1165         XFlush(ob_display);
1166     }
1167
1168     return time > 0; /* repeat until we're out of time */
1169 }
1170
1171 void frame_end_iconify_animation(ObFrame *self)
1172 {
1173     /* see if there is an animation going */
1174     if (self->iconify_animation_going == 0) return;
1175
1176     if (!self->visible)
1177         XUnmapWindow(ob_display, self->window);
1178
1179     /* we're not animating any more ! */
1180     self->iconify_animation_going = 0;
1181
1182     XMoveResizeWindow(ob_display, self->window,
1183                       self->area.x, self->area.y,
1184                       self->area.width - self->bwidth * 2,
1185                       self->area.height - self->bwidth * 2);
1186     XFlush(ob_display);
1187 }
1188
1189 void frame_begin_iconify_animation(ObFrame *self, gboolean iconifying)
1190 {
1191     gulong time;
1192     gboolean new_anim = FALSE;
1193     gboolean set_end = TRUE;
1194     GTimeVal now;
1195
1196     /* if there is no titlebar, just don't animate for now
1197        XXX it would be nice tho.. */
1198     if (!(self->decorations & OB_FRAME_DECOR_TITLEBAR))
1199         return;
1200
1201     /* get the current time */
1202     g_get_current_time(&now);
1203
1204     /* get how long until the end */
1205     time = FRAME_ANIMATE_ICONIFY_TIME;
1206     if (self->iconify_animation_going) {
1207         if (!!iconifying != (self->iconify_animation_going > 0)) {
1208             /* animation was already going on in the opposite direction */
1209             time = time - frame_animate_iconify_time_left(self, &now);
1210         } else
1211             /* animation was already going in the same direction */
1212             set_end = FALSE;
1213     } else
1214         new_anim = TRUE;
1215     self->iconify_animation_going = iconifying ? 1 : -1;
1216
1217     /* set the ending time */
1218     if (set_end) {
1219         self->iconify_animation_end.tv_sec = now.tv_sec;
1220         self->iconify_animation_end.tv_usec = now.tv_usec;
1221         g_time_val_add(&self->iconify_animation_end, time);
1222     }
1223
1224     if (new_anim) {
1225         ob_main_loop_timeout_remove_data(ob_main_loop, frame_animate_iconify,
1226                                          self, FALSE);
1227         ob_main_loop_timeout_add(ob_main_loop,
1228                                  FRAME_ANIMATE_ICONIFY_STEP_TIME,
1229                                  frame_animate_iconify, self,
1230                                  g_direct_equal, NULL);
1231
1232         /* do the first step */
1233         frame_animate_iconify(self);
1234
1235         /* show it during the animation even if it is not "visible" */
1236         if (!self->visible)
1237             XMapWindow(ob_display, self->window);
1238     }
1239 }