src/fullscreen.c

   1 /*
   2  * Geeqie
   3  * (C) 2004 John Ellis
   4  * Copyright (C) 2008 - 2012 The Geeqie Team
   5  *
   6  * Author: John Ellis
   7  *
   8  * This software is released under the GNU General Public License (GNU GPL).
   9  * Please read the included file COPYING for more information.
  10  * This software comes with no warranty of any kind, use at your own risk!
  11  */
  12
  13
  14 #include "main.h"
  15 #include "fullscreen.h"
  16
  17 #include "image.h"
  18 #include "misc.h"
  19 #include "ui_fileops.h"
  20 #include "ui_menu.h"
  21 #include "ui_misc.h"
  22 #include "window.h"
  23 #include "image-load.h"
  24
  25 enum {
  26         FULLSCREEN_CURSOR_HIDDEN = 1 << 0,
  27         FULLSCREEN_CURSOR_NORMAL = 1 << 1,
  28         FULLSCREEN_CURSOR_BUSY   = 1 << 2
  29 };
  30
  31
  32 /*
  33  *----------------------------------------------------------------------------
  34  * full screen functions
  35  *----------------------------------------------------------------------------
  36  */
  37
  38 static void clear_mouse_cursor(GtkWidget *widget, gint state)
  39 {
  40         GdkWindow *window = gtk_widget_get_window(widget);
  41         if (!window) return;
  42
  43         if (state & FULLSCREEN_CURSOR_BUSY)
  44                 {
  45                 GdkCursor *cursor;
  46
  47                 cursor = gdk_cursor_new(GDK_WATCH);
  48                 gdk_window_set_cursor(window, cursor);
  49                 gdk_cursor_unref(cursor);
  50                 }
  51         else if (state & FULLSCREEN_CURSOR_NORMAL)
  52                 {
  53                 gdk_window_set_cursor(window, NULL);
  54                 }
  55         else
  56                 {
  57                 GdkCursor *cursor;
  58
  59                 cursor = gdk_cursor_new(GDK_BLANK_CURSOR);
  60                 gdk_window_set_cursor(window, cursor);
  61                 gdk_cursor_unref(cursor);
  62                 }
  63 }
  64
  65 static gboolean fullscreen_hide_mouse_cb(gpointer data)
  66 {
  67         FullScreenData *fs = data;
  68
  69         if (!fs->hide_mouse_id) return FALSE;
  70
  71         fs->cursor_state &= ~FULLSCREEN_CURSOR_NORMAL;
  72         if (!(fs->cursor_state & FULLSCREEN_CURSOR_BUSY)) clear_mouse_cursor(fs->window, fs->cursor_state);
  73
  74         g_source_remove(fs->hide_mouse_id);
  75         fs->hide_mouse_id = 0;
  76         return FALSE;
  77 }
  78
  79 static void fullscreen_hide_mouse_disable(FullScreenData *fs)
  80 {
  81         if (fs->hide_mouse_id)
  82                 {
  83                 g_source_remove(fs->hide_mouse_id);
  84                 fs->hide_mouse_id = 0;
  85                 }
  86 }
  87
  88 static void fullscreen_hide_mouse_reset(FullScreenData *fs)
  89 {
  90         fullscreen_hide_mouse_disable(fs);
  91         fs->hide_mouse_id = g_timeout_add(FULL_SCREEN_HIDE_MOUSE_DELAY, fullscreen_hide_mouse_cb, fs);
  92 }
  93
  94 static gboolean fullscreen_mouse_moved(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
  95 {
  96         FullScreenData *fs = data;
  97
  98         if (!(fs->cursor_state & FULLSCREEN_CURSOR_NORMAL))
  99                 {
 100                 fs->cursor_state |= FULLSCREEN_CURSOR_NORMAL;
 101                 if (!(fs->cursor_state & FULLSCREEN_CURSOR_BUSY)) clear_mouse_cursor(fs->window, fs->cursor_state);
 102                 }
 103         fullscreen_hide_mouse_reset(fs);
 104
 105         return FALSE;
 106 }
 107
 108 static void fullscreen_busy_mouse_disable(FullScreenData *fs)
 109 {
 110         if (fs->busy_mouse_id)
 111                 {
 112                 g_source_remove(fs->busy_mouse_id);
 113                 fs->busy_mouse_id = 0;
 114                 }
 115 }
 116
 117 static void fullscreen_mouse_set_busy(FullScreenData *fs, gboolean busy)
 118 {
 119         fullscreen_busy_mouse_disable(fs);
 120
 121         if (!!(fs->cursor_state & FULLSCREEN_CURSOR_BUSY) == (busy)) return;
 122
 123         if (busy)
 124                 {
 125                 fs->cursor_state |= FULLSCREEN_CURSOR_BUSY;
 126                 }
 127         else
 128                 {
 129                 fs->cursor_state &= ~FULLSCREEN_CURSOR_BUSY;
 130                 }
 131
 132         clear_mouse_cursor(fs->window, fs->cursor_state);
 133 }
 134
 135 static gboolean fullscreen_mouse_set_busy_cb(gpointer data)
 136 {
 137         FullScreenData *fs = data;
 138
 139         fs->busy_mouse_id = 0;
 140         fullscreen_mouse_set_busy(fs, TRUE);
 141         return FALSE;
 142 }
 143
 144 static void fullscreen_mouse_set_busy_idle(FullScreenData *fs)
 145 {
 146         if (!fs->busy_mouse_id)
 147                 {
 148                 fs->busy_mouse_id = g_timeout_add(FULL_SCREEN_BUSY_MOUSE_DELAY,
 149                                                   fullscreen_mouse_set_busy_cb, fs);
 150                 }
 151 }
 152
 153 static void fullscreen_image_update_cb(ImageWindow *imd, gpointer data)
 154 {
 155         FullScreenData *fs = data;
 156
 157         if (fs->imd->il &&
 158             image_loader_get_pixbuf(fs->imd->il) != image_get_pixbuf(fs->imd))
 159                 {
 160                 fullscreen_mouse_set_busy_idle(fs);
 161                 }
 162 }
 163
 164 static void fullscreen_image_complete_cb(ImageWindow *imd, gboolean preload, gpointer data)
 165 {
 166         FullScreenData *fs = data;
 167
 168         if (!preload) fullscreen_mouse_set_busy(fs, FALSE);
 169 }
 170
 171 #define XSCREENSAVER_BINARY     "xscreensaver-command"
 172 #define XSCREENSAVER_COMMAND    "xscreensaver-command -deactivate >&- 2>&- &"
 173
 174 static void fullscreen_saver_deactivate(void)
 175 {
 176         static gboolean checked = FALSE;
 177         static gboolean found = FALSE;
 178
 179         if (!checked)
 180                 {
 181                 checked = TRUE;
 182                 found = file_in_path(XSCREENSAVER_BINARY);
 183                 }
 184
 185         if (found)
 186                 {
 187                 runcmd(XSCREENSAVER_COMMAND);
 188                 }
 189 }
 190
 191 static gboolean fullscreen_saver_block_cb(gpointer data)
 192 {
 193         if (options->fullscreen.disable_saver)
 194                 {
 195                 fullscreen_saver_deactivate();
 196                 }
 197
 198         return TRUE;
 199 }
 200
 201 static gboolean fullscreen_delete_cb(GtkWidget *widget, GdkEventAny *event, gpointer data)
 202 {
 203         FullScreenData *fs = data;
 204
 205         fullscreen_stop(fs);
 206         return TRUE;
 207 }
 208
 209 FullScreenData *fullscreen_start(GtkWidget *window, ImageWindow *imd,
 210                                  void (*stop_func)(FullScreenData *, gpointer), gpointer stop_data)
 211 {
 212         FullScreenData *fs;
 213         GdkScreen *screen;
 214         gboolean same;
 215         gint x, y;
 216         gint w, h;
 217         GdkGeometry geometry;
 218
 219         if (!window || !imd) return NULL;
 220
 221         fs = g_new0(FullScreenData, 1);
 222
 223         fs->cursor_state = FULLSCREEN_CURSOR_HIDDEN;
 224
 225         fs->normal_window = window;
 226         fs->normal_imd = imd;
 227
 228         fs->stop_func = stop_func;
 229         fs->stop_data = stop_data;
 230
 231         DEBUG_1("full screen requests screen %d", options->fullscreen.screen);
 232         fullscreen_prefs_get_geometry(options->fullscreen.screen, window, &x, &y, &w, &h,
 233                                       &screen, &same);
 234
 235         fs->window = window_new(GTK_WINDOW_TOPLEVEL, "fullscreen", NULL, NULL, _("Full screen"));
 236
 237         /* this requests no decorations, if you still have them complain to the window manager author(s) */
 238         gtk_window_set_decorated(GTK_WINDOW(fs->window), FALSE);
 239
 240         if (options->fullscreen.screen < 0)
 241                 {
 242                 /* If we want control of the window size and position this is not what we want.
 243                  * Geeqie needs control of which monitor(s) to use for full screen.
 244                  */
 245                 gtk_window_fullscreen(GTK_WINDOW(fs->window));
 246                 }
 247         else if (options->fullscreen.above)
 248                 {
 249                 /* request to be above other windows */
 250                 gtk_window_set_keep_above(GTK_WINDOW(fs->window), TRUE);
 251                 }
 252
 253         gtk_window_set_resizable(GTK_WINDOW(fs->window), FALSE);
 254
 255         gtk_window_set_screen(GTK_WINDOW(fs->window), screen);
 256         gtk_container_set_border_width(GTK_CONTAINER(fs->window), 0);
 257         g_signal_connect(G_OBJECT(fs->window), "delete_event",
 258                          G_CALLBACK(fullscreen_delete_cb), fs);
 259
 260         geometry.min_width = w;
 261         geometry.min_height = h;
 262         geometry.max_width = w;
 263         geometry.max_height = h;
 264         geometry.base_width = w;
 265         geometry.base_height = h;
 266         geometry.win_gravity = GDK_GRAVITY_STATIC;
 267         /* By setting USER_POS and USER_SIZE, most window managers will
 268          * not request positioning of the full screen window (for example twm).
 269          *
 270          * In addition, setting gravity to STATIC will result in the
 271          * decorations of twm to not effect the requested window position,
 272          * the decorations will simply be off screen, except in multi monitor setups :-/
 273          */
 274         gtk_window_set_geometry_hints(GTK_WINDOW(fs->window), fs->window, &geometry,
 275                                       GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE | GDK_HINT_BASE_SIZE |
 276                                       GDK_HINT_WIN_GRAVITY |
 277                                       GDK_HINT_USER_POS);
 278
 279         gtk_window_set_default_size(GTK_WINDOW(fs->window), w, h);
 280         gtk_window_move(GTK_WINDOW(fs->window), x, y);
 281
 282         fs->imd = image_new(FALSE);
 283
 284         gtk_container_add(GTK_CONTAINER(fs->window), fs->imd->widget);
 285
 286         image_background_set_color_from_options(fs->imd, TRUE);
 287         image_set_delay_flip(fs->imd, options->fullscreen.clean_flip);
 288         image_auto_refresh_enable(fs->imd, fs->normal_imd->auto_refresh);
 289
 290         if (options->fullscreen.clean_flip)
 291                 {
 292                 image_set_update_func(fs->imd, fullscreen_image_update_cb, fs);
 293                 image_set_complete_func(fs->imd, fullscreen_image_complete_cb, fs);
 294                 }
 295
 296         gtk_widget_show(fs->imd->widget);
 297
 298         image_change_from_image(fs->imd, fs->normal_imd);
 299
 300         if (options->stereo.enable_fsmode) {
 301                 image_stereo_set(fs->imd, options->stereo.fsmode);
 302         }
 303
 304         gtk_widget_show(fs->window);
 305
 306         /* for hiding the mouse */
 307         g_signal_connect(G_OBJECT(fs->imd->pr), "motion_notify_event",
 308                            G_CALLBACK(fullscreen_mouse_moved), fs);
 309         clear_mouse_cursor(fs->window, fs->cursor_state);
 310
 311         /* set timer to block screen saver */
 312         fs->saver_block_id = g_timeout_add(60 * 1000, fullscreen_saver_block_cb, fs);
 313
 314         /* hide normal window
 315          * FIXME: properly restore this window on show
 316          */
 317 #ifdef HIDE_WINDOW_IN_FULLSCREEN
 318         gtk_widget_hide(fs->normal_window);
 319 #endif
 320         image_change_fd(fs->normal_imd, NULL, image_zoom_get(fs->normal_imd));
 321
 322         return fs;
 323 }
 324
 325 void fullscreen_stop(FullScreenData *fs)
 326 {
 327         if (!fs) return;
 328
 329         if (fs->saver_block_id) g_source_remove(fs->saver_block_id);
 330
 331         fullscreen_hide_mouse_disable(fs);
 332         fullscreen_busy_mouse_disable(fs);
 333         gdk_keyboard_ungrab(GDK_CURRENT_TIME);
 334
 335         image_change_from_image(fs->normal_imd, fs->imd);
 336
 337         if (options->stereo.enable_fsmode) {
 338                 image_stereo_set(fs->normal_imd, options->stereo.mode);
 339         }
 340
 341 #ifdef HIDE_WINDOW_IN_FULLSCREEN
 342         gtk_widget_show(fs->normal_window);
 343 #endif
 344         if (fs->stop_func) fs->stop_func(fs, fs->stop_data);
 345
 346         gtk_widget_destroy(fs->window);
 347
 348         g_free(fs);
 349 }
 350
 351
 352 /*
 353  *----------------------------------------------------------------------------
 354  * full screen preferences and utils
 355  *----------------------------------------------------------------------------
 356  */
 357
 358 GList *fullscreen_prefs_list(void)
 359 {
 360         GList *list = NULL;
 361         GdkDisplay *display;
 362         gint number;
 363         gint i;
 364
 365         display = gdk_display_get_default();
 366         number = gdk_display_get_n_screens(display);
 367
 368         for (i = 0; i < number; i++)
 369                 {
 370                 GdkScreen *screen;
 371                 gint monitors;
 372                 gint j;
 373
 374                 screen = gdk_display_get_screen(display, i);
 375                 monitors = gdk_screen_get_n_monitors(screen);
 376
 377                 for (j = -1; j < monitors; j++)
 378                         {
 379                         ScreenData *sd;
 380                         GdkRectangle rect;
 381                         gchar *name;
 382                         gchar *subname;
 383
 384                         name = gdk_screen_make_display_name(screen);
 385
 386                         if (j < 0)
 387                                 {
 388                                 rect.x = 0;
 389                                 rect.y = 0;
 390                                 rect.width = gdk_screen_get_width(screen);
 391                                 rect.height = gdk_screen_get_height(screen);
 392                                 subname = g_strdup(_("Full size"));
 393                                 }
 394                         else
 395                                 {
 396                                 gdk_screen_get_monitor_geometry(screen, j, &rect);
 397                                 subname = g_strdup_printf("%s %d", _("Monitor"), j + 1);
 398                                 }
 399
 400                         sd = g_new0(ScreenData, 1);
 401                         sd->number = (i+1) * 100 + j + 1;
 402                         sd->description = g_strdup_printf("%s %s, %s", _("Screen"), name, subname);
 403                         sd->x = rect.x;
 404                         sd->y = rect.y;
 405                         sd->width = rect.width;
 406                         sd->height = rect.height;
 407
 408                         DEBUG_1("Screen %d %30s %4d,%4d (%4dx%4d)",
 409                                           sd->number, sd->description, sd->x, sd->y, sd->width, sd->height);
 410
 411                         list = g_list_append(list, sd);
 412
 413                         g_free(name);
 414                         g_free(subname);
 415                         }
 416                 }
 417
 418         return list;
 419 }
 420
 421 void fullscreen_prefs_list_free(GList *list)
 422 {
 423         GList *work;
 424
 425         work = list;
 426         while (work)
 427                 {
 428                 ScreenData *sd = work->data;
 429                 work = work->next;
 430
 431                 g_free(sd->description);
 432                 g_free(sd);
 433                 }
 434
 435         g_list_free(list);
 436 }
 437
 438 ScreenData *fullscreen_prefs_list_find(GList *list, gint screen)
 439 {
 440         GList *work;
 441
 442         work = list;
 443         while (work)
 444                 {
 445                 ScreenData *sd = work->data;
 446                 work = work->next;
 447
 448                 if (sd->number == screen) return sd;
 449                 }
 450
 451         return NULL;
 452 }
 453
 454 /* screen is interpreted as such:
 455  *  -1  window manager determines size and position, fallback is (1) active monitor
 456  *   0  full size of screen containing widget
 457  *   1  size of monitor containing widget
 458  * 100  full size of screen 1 (screen, monitor counts start at 1)
 459  * 101  size of monitor 1 on screen 1
 460  * 203  size of monitor 3 on screen 2
 461  * returns:
 462  * dest_screen: screen to place widget [use gtk_window_set_screen()]
 463  * same_region: the returned region will overlap the current location of widget.
 464  */
 465 void fullscreen_prefs_get_geometry(gint screen, GtkWidget *widget, gint *x, gint *y, gint *width, gint *height,
 466                                    GdkScreen **dest_screen, gboolean *same_region)
 467 {
 468         GList *list;
 469         ScreenData *sd;
 470
 471         list = fullscreen_prefs_list();
 472         if (screen >= 100)
 473                 {
 474                 sd = fullscreen_prefs_list_find(list, screen);
 475                 }
 476         else
 477                 {
 478                 sd = NULL;
 479                 if (screen < 0) screen = 1;
 480                 }
 481
 482         if (sd)
 483                 {
 484                 GdkDisplay *display;
 485                 GdkScreen *screen;
 486                 gint n;
 487
 488                 display = gdk_display_get_default();
 489                 n = sd->number / 100 - 1;
 490                 if (n >= 0 && n < gdk_display_get_n_screens(display))
 491                         {
 492                         screen = gdk_display_get_screen(display, n);
 493                         }
 494                 else
 495                         {
 496                         screen = gdk_display_get_default_screen(display);
 497                         }
 498
 499                 if (x) *x = sd->x;
 500                 if (y) *y = sd->y;
 501                 if (width) *width = sd->width;
 502                 if (height) *height = sd->height;
 503
 504                 if (dest_screen) *dest_screen = screen;
 505                 if (same_region) *same_region = (!widget || !gtk_widget_get_window(widget) ||
 506                                         (screen == gtk_widget_get_screen(widget) &&
 507                                         (sd->number%100 == 0 ||
 508                                          sd->number%100 == gdk_screen_get_monitor_at_window(screen, gtk_widget_get_window(widget))+1)));
 509
 510                 }
 511         else if (screen != 1 || !widget || !gtk_widget_get_window(widget))
 512                 {
 513                 GdkScreen *screen;
 514
 515                 if (widget)
 516                         {
 517                         screen = gtk_widget_get_screen(widget);
 518                         }
 519                 else
 520                         {
 521                         screen = gdk_screen_get_default();
 522                         }
 523
 524                 if (x) *x = 0;
 525                 if (y) *y = 0;
 526                 if (width) *width = gdk_screen_get_width(screen);
 527                 if (height) *height = gdk_screen_get_height(screen);
 528
 529                 if (dest_screen) *dest_screen = screen;
 530                 if (same_region) *same_region = TRUE;
 531                 }
 532         else
 533                 {
 534                 GdkScreen *screen;
 535                 gint monitor;
 536                 GdkRectangle rect;
 537
 538                 screen = gtk_widget_get_screen(widget);
 539                 monitor = gdk_screen_get_monitor_at_window(screen, gtk_widget_get_window(widget));
 540
 541                 gdk_screen_get_monitor_geometry(screen, monitor, &rect);
 542
 543                 if (x) *x = rect.x;
 544                 if (y) *y = rect.y;
 545                 if (width) *width = rect.width;
 546                 if (height) *height = rect.height;
 547
 548                 if (dest_screen) *dest_screen = screen;
 549                 if (same_region) *same_region = TRUE;
 550                 }
 551
 552         fullscreen_prefs_list_free(list);
 553 }
 554
 555 gint fullscreen_prefs_find_screen_for_widget(GtkWidget *widget)
 556 {
 557         GdkScreen *screen;
 558         gint monitor;
 559         gint n;
 560
 561         if (!widget || !gtk_widget_get_window(widget)) return 0;
 562
 563         screen = gtk_widget_get_screen(widget);
 564         monitor = gdk_screen_get_monitor_at_window(screen, gtk_widget_get_window(widget));
 565
 566         n = (gdk_screen_get_number(screen)+1) * 100 + monitor + 1;
 567
 568         DEBUG_1("Screen appears to be %d", n);
 569
 570         return n;
 571 }
 572
 573 enum {
 574         FS_MENU_COLUMN_NAME = 0,
 575         FS_MENU_COLUMN_VALUE
 576 };
 577
 578 #define BUTTON_ABOVE_KEY  "button_above"
 579
 580 static void fullscreen_prefs_selection_cb(GtkWidget *combo, gpointer data)
 581 {
 582         gint *value = data;
 583         GtkTreeModel *store;
 584         GtkTreeIter iter;
 585         GtkWidget *button;
 586
 587         if (!value) return;
 588
 589         store = gtk_combo_box_get_model(GTK_COMBO_BOX(combo));
 590         if (!gtk_combo_box_get_active_iter(GTK_COMBO_BOX(combo), &iter)) return;
 591         gtk_tree_model_get(store, &iter, FS_MENU_COLUMN_VALUE, value, -1);
 592
 593         button = g_object_get_data(G_OBJECT(combo), BUTTON_ABOVE_KEY);
 594         if (button)
 595                 {
 596                 gtk_widget_set_sensitive(button, *value != -1);
 597                 }
 598 }
 599
 600 static void fullscreen_prefs_selection_add(GtkListStore *store, const gchar *text, gint value)
 601 {
 602         GtkTreeIter iter;
 603
 604         gtk_list_store_append(store, &iter);
 605         gtk_list_store_set(store, &iter, FS_MENU_COLUMN_NAME, text,
 606                                          FS_MENU_COLUMN_VALUE, value, -1);
 607 }
 608
 609 GtkWidget *fullscreen_prefs_selection_new(const gchar *text, gint *screen_value, gboolean *above_value)
 610 {
 611         GtkWidget *vbox;
 612         GtkWidget *hbox;
 613         GtkWidget *combo;
 614         GtkListStore *store;
 615         GtkCellRenderer *renderer;
 616         GtkWidget *button = NULL;
 617         GList *list;
 618         GList *work;
 619         gint current = 0;
 620         gint n;
 621
 622         if (!screen_value) return NULL;
 623
 624         vbox = gtk_vbox_new(FALSE, PREF_PAD_GAP);
 625         hbox = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
 626         if (text) pref_label_new(hbox, text);
 627
 628         store = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
 629         combo = gtk_combo_box_new_with_model(GTK_TREE_MODEL(store));
 630         g_object_unref(store);
 631
 632         renderer = gtk_cell_renderer_text_new();
 633         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo), renderer, TRUE);
 634         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo), renderer,
 635                                        "text", FS_MENU_COLUMN_NAME, NULL);
 636
 637         if (above_value)
 638                 {
 639                 button = pref_checkbox_new_int(vbox, _("Stay above other windows"),
 640                                                *above_value, above_value);
 641                 gtk_widget_set_sensitive(button, *screen_value != -1);
 642
 643                 g_object_set_data(G_OBJECT(combo), BUTTON_ABOVE_KEY, button);
 644                 }
 645
 646         fullscreen_prefs_selection_add(store, _("Determined by Window Manager"), -1);
 647         fullscreen_prefs_selection_add(store, _("Active screen"), 0);
 648         if (*screen_value == 0) current = 1;
 649         fullscreen_prefs_selection_add(store, _("Active monitor"), 1);
 650         if (*screen_value == 1) current = 2;
 651
 652         n = 3;
 653         list = fullscreen_prefs_list();
 654         work = list;
 655         while (work)
 656                 {
 657                 ScreenData *sd = work->data;
 658
 659                 fullscreen_prefs_selection_add(store, sd->description, sd->number);
 660                 if (*screen_value == sd->number) current = n;
 661
 662                 work = work->next;
 663                 n++;
 664                 }
 665         fullscreen_prefs_list_free(list);
 666
 667         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), current);
 668
 669         gtk_box_pack_start(GTK_BOX(hbox), combo, FALSE, FALSE, 0);
 670         gtk_widget_show(combo);
 671
 672         g_signal_connect(G_OBJECT(combo), "changed",
 673                          G_CALLBACK(fullscreen_prefs_selection_cb), screen_value);
 674
 675         return vbox;
 676 }
 677 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */