summaryrefslogtreecommitdiff
path: root/src/ui.c
blob: 11f78667e31111c5e86ba841d24bf91707b0c829 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
/* Metacity interface for talking to GTK+ UI module */

/* 
 * Copyright (C) 2001 Havoc Pennington
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 */

#include <config.h>
#include "ui.h"
#include "frames.h"
#include "util.h"
#include "menu.h"
#include "core.h"
#include "theme.h"

#include "inlinepixbufs.h"

struct _MetaUI
{
  Display *xdisplay;
  Screen *xscreen;
  MetaFrames *frames;
};

void
meta_ui_init (int *argc, char ***argv)
{
  if (!gtk_init_check (argc, argv))
    meta_fatal ("Unable to open X display %s\n", XDisplayName (NULL));

  {
    /* FIXME this is a hackaround for a GTK bug with using menus without
     * menubars. we have to use the get_type value since it's G_GNUC_CONST
     */
    volatile GType t;
    t = gtk_menu_bar_get_type ();
    t += 5;
  }
}

Display*
meta_ui_get_display (const char *name)
{
  if (name == NULL)
    return gdk_display;
  else
    return NULL;
}

typedef struct _EventFunc EventFunc;

struct _EventFunc
{
  MetaEventFunc func;
  gpointer data;
};

static GdkFilterReturn
filter_func (GdkXEvent *xevent,
             GdkEvent *event,
             gpointer data)
{
  EventFunc *ef;

  ef = data;

  if ((* ef->func) (xevent, ef->data))
    return GDK_FILTER_REMOVE;
  else
    return GDK_FILTER_CONTINUE;
}

static EventFunc *ef = NULL;

void
meta_ui_add_event_func (Display       *xdisplay,
                        MetaEventFunc  func,
                        gpointer       data)
{
  g_return_if_fail (ef == NULL);

  ef = g_new (EventFunc, 1);
  ef->func = func;
  ef->data = data;

  gdk_window_add_filter (NULL, filter_func, ef);
}

/* removal is by data due to proxy function */
void
meta_ui_remove_event_func (Display       *xdisplay,
                           MetaEventFunc  func,
                           gpointer       data)
{
  g_return_if_fail (ef != NULL);
  
  gdk_window_remove_filter (NULL, filter_func, ef);

  g_free (ef);
  ef = NULL;
}

MetaUI*
meta_ui_new (Display *xdisplay,
             Screen  *screen)
{
  MetaUI *ui;

  ui = g_new (MetaUI, 1);
  ui->xdisplay = xdisplay;
  ui->xscreen = screen;

  /* FIXME when gtk has multihead use it here */
  ui->frames = meta_frames_new ();
  gtk_widget_realize (GTK_WIDGET (ui->frames));
  
  return ui;
}

void
meta_ui_free (MetaUI *ui)
{
  gtk_widget_destroy (GTK_WIDGET (ui->frames));

  g_free (ui);
}

void
meta_ui_get_frame_geometry (MetaUI *ui,
                            Window frame_xwindow,
                            int *top_height, int *bottom_height,
                            int *left_width, int *right_width)
{
  meta_frames_get_geometry (ui->frames, frame_xwindow,
                            top_height, bottom_height,
                            left_width, right_width);
}


void
meta_ui_add_frame (MetaUI *ui,
                   Window  xwindow)
{
  meta_frames_manage_window (ui->frames, xwindow);
}

void
meta_ui_remove_frame (MetaUI *ui,
                      Window  xwindow)
{
  meta_frames_unmanage_window (ui->frames, xwindow);
}

void
meta_ui_map_frame   (MetaUI *ui,
                     Window  xwindow)
{
  GdkWindow *window;

  window = gdk_xid_table_lookup (xwindow);

  if (window)
    gdk_window_show_unraised (window);
}

void
meta_ui_unmap_frame (MetaUI *ui,
                     Window  xwindow)
{
  GdkWindow *window;

  window = gdk_xid_table_lookup (xwindow);

  if (window)
    gdk_window_hide (window);
}

void
meta_ui_unflicker_frame_bg (MetaUI *ui,
                            Window  xwindow,
                            int     target_width,
                            int     target_height)
{
  meta_frames_unflicker_bg (ui->frames, xwindow,
                            target_width, target_height);
}

void
meta_ui_reset_frame_bg (MetaUI *ui,
                        Window xwindow)
{
  meta_frames_reset_bg (ui->frames, xwindow);
}

void
meta_ui_queue_frame_draw (MetaUI *ui,
                          Window xwindow)
{
  meta_frames_queue_draw (ui->frames, xwindow);
}


void
meta_ui_set_frame_title (MetaUI     *ui,
                         Window      xwindow,
                         const char *title)
{
  meta_frames_set_title (ui->frames, xwindow, title);
}

MetaWindowMenu*
meta_ui_window_menu_new  (MetaUI             *ui,
                          Window              client_xwindow,
                          MetaMenuOp          ops,
                          MetaMenuOp          insensitive,
                          int                 active_workspace,
                          int                 n_workspaces,
                          MetaWindowMenuFunc  func,
                          gpointer            data)
{
  return meta_window_menu_new (ui->frames,
                               ops, insensitive,
                               client_xwindow,
                               active_workspace,
                               n_workspaces,
                               func, data);
}

void
meta_ui_window_menu_popup (MetaWindowMenu     *menu,
                           int                 root_x,
                           int                 root_y,
                           int                 button,
                           guint32             timestamp)
{
  meta_window_menu_popup (menu, root_x, root_y, button, timestamp);
}

void
meta_ui_window_menu_free (MetaWindowMenu *menu)
{
  meta_window_menu_free (menu);
}

struct _MetaImageWindow
{
  GtkWidget *window;
  GtkWidget *image;
};

MetaImageWindow*
meta_image_window_new (void)
{
  MetaImageWindow *iw;

  iw = g_new (MetaImageWindow, 1);
  iw->window = gtk_window_new (GTK_WINDOW_POPUP);
  iw->image = g_object_new (GTK_TYPE_IMAGE, NULL);

  gtk_container_add (GTK_CONTAINER (iw->window), iw->image);

  /* Ensure we auto-shrink to fit image */
  gtk_window_set_resizable (GTK_WINDOW (iw->window),
                            FALSE);
  
  return iw;
}

void
meta_image_window_free (MetaImageWindow *iw)
{
  gtk_widget_destroy (iw->window);
  g_free (iw);
}

void
meta_image_window_set_showing  (MetaImageWindow *iw,
                                gboolean         showing)
{
  if (showing)
    gtk_widget_show_all (iw->window);
  else
    {
      gtk_widget_hide (iw->window);
      meta_core_increment_event_serial (gdk_display);
    }
}

void
meta_image_window_set_image (MetaImageWindow *iw,
                             GdkPixbuf       *pixbuf)
{
  gtk_image_set_from_pixbuf (GTK_IMAGE (iw->image), pixbuf);
}

void
meta_image_window_set_position (MetaImageWindow *iw,
                                int              x,
                                int              y)
{
  /* We want to do move/resize at the same time to avoid ugliness.
   * Lame hack.
   */
  GtkRequisition req;

  g_return_if_fail (GTK_WIDGET_REALIZED (iw->window));
  
  gtk_widget_size_request (iw->window, &req);
  
  gdk_window_move_resize (GTK_WIDGET (iw->window)->window,
                          x, y, req.width, req.height);
}

static GdkColormap*
get_cmap (GdkPixmap *pixmap)
{
  GdkColormap *cmap;

  cmap = gdk_drawable_get_colormap (pixmap);
  if (cmap)
    g_object_ref (G_OBJECT (cmap));

  if (cmap == NULL)
    {
      if (gdk_drawable_get_depth (pixmap) == 1)
        {
          meta_verbose ("Using NULL colormap for snapshotting bitmap\n");
          cmap = NULL;
        }
      else
        {
          meta_verbose ("Using system cmap to snapshot pixmap\n");
          cmap = gdk_colormap_get_system ();
          g_object_ref (G_OBJECT (cmap));
        }
    }

  return cmap;
}

GdkPixbuf*
meta_gdk_pixbuf_get_from_window (GdkPixbuf   *dest,
                                 Window       xwindow,
                                 int          src_x,
                                 int          src_y,
                                 int          dest_x,
                                 int          dest_y,
                                 int          width,
                                 int          height)
{
  GdkDrawable *drawable;
  GdkPixbuf *retval;
  GdkColormap *cmap;
  
  retval = NULL;
  
  drawable = gdk_xid_table_lookup (xwindow);

  if (drawable)
    g_object_ref (G_OBJECT (drawable));
  else
    drawable = gdk_window_foreign_new (xwindow);

  cmap = get_cmap (drawable);
  
  retval = gdk_pixbuf_get_from_drawable (dest,
                                         drawable,
                                         cmap,
                                         src_x, src_y,
                                         dest_x, dest_y,
                                         width, height);

  if (cmap)
    g_object_unref (G_OBJECT (cmap));
  g_object_unref (G_OBJECT (drawable));

  return retval;
}

GdkPixbuf*
meta_gdk_pixbuf_get_from_pixmap (GdkPixbuf   *dest,
                                 Pixmap       xpixmap,
                                 int          src_x,
                                 int          src_y,
                                 int          dest_x,
                                 int          dest_y,
                                 int          width,
                                 int          height)
{
  GdkDrawable *drawable;
  GdkPixbuf *retval;
  GdkColormap *cmap;
  
  retval = NULL;
  
  drawable = gdk_xid_table_lookup (xpixmap);

  if (drawable)
    g_object_ref (G_OBJECT (drawable));
  else
    drawable = gdk_pixmap_foreign_new (xpixmap);

  cmap = get_cmap (drawable);
  
  retval = gdk_pixbuf_get_from_drawable (dest,
                                         drawable,
                                         cmap,
                                         src_x, src_y,
                                         dest_x, dest_y,
                                         width, height);

  if (cmap)
    g_object_unref (G_OBJECT (cmap));
  g_object_unref (G_OBJECT (drawable));

  return retval;
}

void
meta_ui_push_delay_exposes (MetaUI *ui)
{
  meta_frames_push_delay_exposes (ui->frames);
}

void
meta_ui_pop_delay_exposes  (MetaUI *ui)
{
  meta_frames_pop_delay_exposes (ui->frames);
}

#ifdef HAVE_GDK_PIXBUF_NEW_FROM_STREAM
#define gdk_pixbuf_new_from_inline gdk_pixbuf_new_from_stream
#endif

GdkPixbuf*
meta_ui_get_default_window_icon (MetaUI *ui)
{
  static GdkPixbuf *default_icon = NULL;

  if (default_icon == NULL)
    {
      GdkPixbuf *base;

      base = gdk_pixbuf_new_from_inline (-1, default_icon_data,
                                         FALSE,
                                         NULL);

      g_assert (base);

      default_icon = gdk_pixbuf_scale_simple (base,
                                              META_ICON_WIDTH,
                                              META_ICON_HEIGHT,
                                              GDK_INTERP_BILINEAR);

      g_object_unref (G_OBJECT (base));
    }

  g_object_ref (G_OBJECT (default_icon));
  
  return default_icon;
}

GdkPixbuf*
meta_ui_get_default_mini_icon (MetaUI *ui)
{
  static GdkPixbuf *default_icon = NULL;

  if (default_icon == NULL)
    {
      GdkPixbuf *base;

      base = gdk_pixbuf_new_from_inline (-1, default_icon_data,
                                         FALSE,
                                         NULL);

      g_assert (base);

      default_icon = gdk_pixbuf_scale_simple (base,
                                              META_MINI_ICON_WIDTH,
                                              META_MINI_ICON_HEIGHT,
                                              GDK_INTERP_BILINEAR);

      g_object_unref (G_OBJECT (base));
    }

  g_object_ref (G_OBJECT (default_icon));
  
  return default_icon;
}

gboolean
meta_ui_window_should_not_cause_focus (Display *xdisplay,
                                       Window   xwindow)
{
  GdkWindow *window;

  window = gdk_xid_table_lookup (xwindow);

  /* we shouldn't cause focus if we're an override redirect
   * toplevel which is not foreign
   */
  if (window && gdk_window_get_type (window) == GDK_WINDOW_TEMP)
    return TRUE;
  else
    return FALSE;
}

char*
meta_text_property_to_utf8 (Display             *xdisplay,
                            const XTextProperty *prop)
{
  char **list;
  int count;
  char *retval;
  
  list = NULL;

  count = gdk_text_property_to_utf8_list (gdk_x11_xatom_to_atom (prop->encoding),
                                          prop->format,
                                          prop->value,
                                          prop->nitems,
                                          &list);

  if (count == 0)
    return NULL;

  retval = list[0];
  list[0] = g_strdup (""); /* something to free */
  
  g_strfreev (list);

  return retval;
}

void
meta_ui_set_current_theme (const char *name,
                           gboolean    force_reload)
{
  meta_theme_set_current (name, force_reload);
}

gboolean
meta_ui_have_a_theme (void)
{
  return meta_theme_get_current () != NULL;
}