src/fullscreen.cc

   1 /*
   2  * Copyright (C) 2004 John Ellis
   3  * Copyright (C) 2008 - 2016 The Geeqie Team
   4  *
   5  * Author: John Ellis
   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  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #include "fullscreen.h"
  23
  24 #include <algorithm>
  25 #include <cstddef>
  26 #include <string>
  27 #include <vector>
  28
  29 #include <gdk/gdk.h>
  30 #include <glib-object.h>
  31
  32 #include "compat.h"
  33 #include "debug.h"
  34 #include "image-load.h"
  35 #include "image.h"
  36 #include "intl.h"
  37 #include "misc.h"
  38 #include "options.h"
  39 #include "ui-fileops.h"
  40 #include "ui-misc.h"
  41 #include "window.h"
  42
  43 namespace {
  44
  45 /*
  46  *----------------------------------------------------------------------------
  47  * full screen functions
  48  *----------------------------------------------------------------------------
  49  */
  50
  51 #define FULL_SCREEN_HIDE_MOUSE_DELAY 3000
  52 #define FULL_SCREEN_BUSY_MOUSE_DELAY 200
  53
  54 enum {
  55         FULLSCREEN_CURSOR_HIDDEN = 1 << 0,
  56         FULLSCREEN_CURSOR_NORMAL = 1 << 1,
  57         FULLSCREEN_CURSOR_BUSY   = 1 << 2
  58 };
  59
  60 void clear_mouse_cursor(GtkWidget *widget, gint state)
  61 {
  62         GdkWindow *window = gtk_widget_get_window(widget);
  63         GdkDisplay *display;
  64
  65         if (!window) return;
  66
  67         display = gdk_display_get_default();
  68
  69         if (state & FULLSCREEN_CURSOR_BUSY)
  70                 {
  71                 GdkCursor *cursor;
  72
  73                 cursor = gdk_cursor_new_for_display(display, GDK_WATCH);
  74                 gdk_window_set_cursor(window, cursor);
  75                 g_object_unref(G_OBJECT(cursor));
  76                 }
  77         else if (state & FULLSCREEN_CURSOR_NORMAL)
  78                 {
  79                 gdk_window_set_cursor(window, nullptr);
  80                 }
  81         else
  82                 {
  83                 GdkCursor *cursor;
  84
  85                 cursor = gdk_cursor_new_for_display(display, GDK_BLANK_CURSOR);
  86                 gdk_window_set_cursor(window, cursor);
  87                 g_object_unref(G_OBJECT(cursor));
  88                 }
  89 }
  90
  91 gboolean fullscreen_hide_mouse_cb(gpointer data)
  92 {
  93         auto fs = static_cast<FullScreenData *>(data);
  94
  95         if (!fs->hide_mouse_id) return FALSE;
  96
  97         fs->cursor_state &= ~FULLSCREEN_CURSOR_NORMAL;
  98         if (!(fs->cursor_state & FULLSCREEN_CURSOR_BUSY)) clear_mouse_cursor(fs->window, fs->cursor_state);
  99
 100         g_source_remove(fs->hide_mouse_id);
 101         fs->hide_mouse_id = 0;
 102         return FALSE;
 103 }
 104
 105 void fullscreen_hide_mouse_disable(FullScreenData *fs)
 106 {
 107         if (fs->hide_mouse_id)
 108                 {
 109                 g_source_remove(fs->hide_mouse_id);
 110                 fs->hide_mouse_id = 0;
 111                 }
 112 }
 113
 114 void fullscreen_hide_mouse_reset(FullScreenData *fs)
 115 {
 116         fullscreen_hide_mouse_disable(fs);
 117         fs->hide_mouse_id = g_timeout_add(FULL_SCREEN_HIDE_MOUSE_DELAY, fullscreen_hide_mouse_cb, fs);
 118 }
 119
 120 gboolean fullscreen_mouse_moved(GtkWidget *, GdkEventMotion *, gpointer data)
 121 {
 122         auto fs = static_cast<FullScreenData *>(data);
 123
 124         if (!(fs->cursor_state & FULLSCREEN_CURSOR_NORMAL))
 125                 {
 126                 fs->cursor_state |= FULLSCREEN_CURSOR_NORMAL;
 127                 if (!(fs->cursor_state & FULLSCREEN_CURSOR_BUSY)) clear_mouse_cursor(fs->window, fs->cursor_state);
 128                 }
 129         fullscreen_hide_mouse_reset(fs);
 130
 131         return FALSE;
 132 }
 133
 134 void fullscreen_busy_mouse_disable(FullScreenData *fs)
 135 {
 136         if (fs->busy_mouse_id)
 137                 {
 138                 g_source_remove(fs->busy_mouse_id);
 139                 fs->busy_mouse_id = 0;
 140                 }
 141 }
 142
 143 void fullscreen_mouse_set_busy(FullScreenData *fs, gboolean busy)
 144 {
 145         fullscreen_busy_mouse_disable(fs);
 146
 147         if (!!(fs->cursor_state & FULLSCREEN_CURSOR_BUSY) == (busy)) return;
 148
 149         if (busy)
 150                 {
 151                 fs->cursor_state |= FULLSCREEN_CURSOR_BUSY;
 152                 }
 153         else
 154                 {
 155                 fs->cursor_state &= ~FULLSCREEN_CURSOR_BUSY;
 156                 }
 157
 158         clear_mouse_cursor(fs->window, fs->cursor_state);
 159 }
 160
 161 gboolean fullscreen_mouse_set_busy_cb(gpointer data)
 162 {
 163         auto fs = static_cast<FullScreenData *>(data);
 164
 165         fs->busy_mouse_id = 0;
 166         fullscreen_mouse_set_busy(fs, TRUE);
 167         return FALSE;
 168 }
 169
 170 void fullscreen_mouse_set_busy_idle(FullScreenData *fs)
 171 {
 172         if (!fs->busy_mouse_id)
 173                 {
 174                 fs->busy_mouse_id = g_timeout_add(FULL_SCREEN_BUSY_MOUSE_DELAY,
 175                                                   fullscreen_mouse_set_busy_cb, fs);
 176                 }
 177 }
 178
 179 void fullscreen_image_update_cb(ImageWindow *, gpointer data)
 180 {
 181         auto fs = static_cast<FullScreenData *>(data);
 182
 183         if (fs->imd->il &&
 184             image_loader_get_pixbuf(fs->imd->il) != image_get_pixbuf(fs->imd))
 185                 {
 186                 fullscreen_mouse_set_busy_idle(fs);
 187                 }
 188 }
 189
 190 void fullscreen_image_complete_cb(ImageWindow *, gboolean preload, gpointer data)
 191 {
 192         auto fs = static_cast<FullScreenData *>(data);
 193
 194         if (!preload) fullscreen_mouse_set_busy(fs, FALSE);
 195 }
 196
 197 #define XSCREENSAVER_BINARY     "xscreensaver-command"
 198 #define XSCREENSAVER_COMMAND    "xscreensaver-command -deactivate >&- 2>&- &"
 199
 200 void fullscreen_saver_deactivate()
 201 {
 202         static gboolean checked = FALSE;
 203         static gboolean found = FALSE;
 204
 205         if (!checked)
 206                 {
 207                 checked = TRUE;
 208                 found = file_in_path(XSCREENSAVER_BINARY);
 209                 }
 210
 211         if (found)
 212                 {
 213                 runcmd(XSCREENSAVER_COMMAND);
 214                 }
 215 }
 216
 217 gboolean fullscreen_saver_block_cb(gpointer)
 218 {
 219         if (options->fullscreen.disable_saver)
 220                 {
 221                 fullscreen_saver_deactivate();
 222                 }
 223
 224         return TRUE;
 225 }
 226
 227 gboolean fullscreen_delete_cb(GtkWidget *, GdkEventAny *, gpointer data)
 228 {
 229         auto fs = static_cast<FullScreenData *>(data);
 230
 231         fullscreen_stop(fs);
 232         return TRUE;
 233 }
 234
 235
 236 /*
 237  *----------------------------------------------------------------------------
 238  * full screen preferences and utils
 239  *----------------------------------------------------------------------------
 240  */
 241
 242 /**
 243  * @struct ScreenData
 244  * screen numbers for fullscreen_prefs are as follows: \n
 245  *   0  use default display size \n
 246  * 101  screen 0, monitor 0 \n
 247  * 102  screen 0, monitor 1 \n
 248  * 201  screen 1, monitor 0 \n
 249  */
 250 struct ScreenData {
 251         gint number;
 252         std::string description;
 253         GdkRectangle geometry;
 254 };
 255
 256 GdkRectangle get_screen_default_geometry(GdkScreen *screen)
 257 {
 258         GdkRectangle geometry;
 259
 260         geometry.x = 0;
 261         geometry.y = 0;
 262         geometry.width = gdk_screen_get_width(screen);
 263         geometry.height = gdk_screen_get_height(screen);
 264
 265         return geometry;
 266 }
 267
 268 std::vector<ScreenData> fullscreen_prefs_list()
 269 {
 270         std::vector<ScreenData> list;
 271         GdkDisplay *display;
 272         gint monitors;
 273         const gchar *name;
 274
 275         display = gdk_display_get_default();
 276         monitors = gdk_display_get_n_monitors(display);
 277         name = gdk_display_get_name(display);
 278
 279         for (gint j = -1; j < monitors; j++)
 280                 {
 281                 GdkRectangle rect;
 282                 gchar *subname;
 283
 284                 if (j < 0)
 285                         {
 286                         GdkScreen *screen = gdk_display_get_default_screen(display);
 287                         rect = get_screen_default_geometry(screen);
 288                         subname = g_strdup(_("Full size"));
 289                         }
 290                 else
 291                         {
 292                         auto monitor = gdk_display_get_monitor(display, j);
 293                         gdk_monitor_get_geometry(monitor, &rect);
 294                         subname = g_strdup(gdk_monitor_get_model(monitor));
 295                         if (subname == nullptr)
 296                                 {
 297                                 subname = g_strdup_printf("%s %d", _("Monitor"), j + 1);
 298                                 }
 299                         }
 300
 301                 ScreenData sd;
 302                 sd.number = 100 + j + 1;
 303                 sd.description = std::string(_("Screen")) + " " + name + ", " + subname;
 304                 sd.geometry = rect;
 305
 306                 DEBUG_1("Screen %d %30s %4d,%4d (%4dx%4d)",
 307                         sd.number, sd.description.c_str(), sd.geometry.x, sd.geometry.y, sd.geometry.width, sd.geometry.height);
 308
 309                 list.push_back(sd);
 310
 311                 g_free(subname);
 312                 }
 313
 314         return list;
 315 }
 316
 317 /* screen_num is interpreted as such:
 318  *  -1  window manager determines size and position, fallback is (1) active monitor
 319  *   0  full size of screen containing widget
 320  *   1  size of monitor containing widget
 321  * 100  full size of screen 1 (screen, monitor counts start at 1)
 322  * 101  size of monitor 1 on screen 1
 323  * 203  size of monitor 3 on screen 2
 324  * returns:
 325  * dest_screen: screen to place widget [use gtk_window_set_screen()]
 326  * same_region: the returned region will overlap the current location of widget.
 327  */
 328 GdkRectangle fullscreen_prefs_get_geometry(gint screen_num, GtkWidget *widget, GdkScreen *&dest_screen, gboolean &same_region)
 329 {
 330         if (screen_num >= 100)
 331                 {
 332                 std::vector<ScreenData> list = fullscreen_prefs_list();
 333                 auto it = std::find_if(list.cbegin(), list.cend(), [screen_num](const ScreenData &sd){ return sd.number == screen_num; });
 334                 if (it != list.cend())
 335                         {
 336                         GdkDisplay *display = gdk_display_get_default();
 337
 338                         dest_screen = gdk_display_get_default_screen(display);
 339                         same_region = (!widget || !gtk_widget_get_window(widget) ||
 340                                        (dest_screen == gtk_widget_get_screen(widget) &&
 341                                         (it->number%100 == 0 ||
 342                                          it->number%100 == gdk_screen_get_monitor_at_window(dest_screen, gtk_widget_get_window(widget)) + 1)));
 343                         return it->geometry;
 344                         }
 345                 }
 346         else if (screen_num < 0) screen_num = 1;
 347
 348         GdkRectangle geometry;
 349
 350         if (screen_num != 1 || !widget || !gtk_widget_get_window(widget))
 351                 {
 352                 if (widget)
 353                         {
 354                         dest_screen = gtk_widget_get_screen(widget);
 355                         }
 356                 else
 357                         {
 358                         dest_screen = gdk_screen_get_default();
 359                         }
 360
 361                 geometry = get_screen_default_geometry(dest_screen);
 362                 }
 363         else
 364                 {
 365                 GdkDisplay *display;
 366                 GdkMonitor *monitor;
 367
 368                 display = gtk_widget_get_display(widget);
 369                 monitor = gdk_display_get_monitor_at_window(display, gtk_widget_get_window(widget));
 370
 371                 gdk_monitor_get_geometry(monitor, &geometry);
 372
 373                 dest_screen = gtk_widget_get_screen(widget);
 374                 }
 375
 376         same_region = TRUE;
 377         return geometry;
 378 }
 379
 380 #pragma GCC diagnostic push
 381 #pragma GCC diagnostic ignored "-Wunused-function"
 382 gint fullscreen_prefs_find_screen_for_widget_unused(GtkWidget *widget)
 383 {
 384         GdkScreen *screen;
 385         gint monitor;
 386         gint n;
 387
 388         if (!widget || !gtk_widget_get_window(widget)) return 0;
 389
 390         screen = gtk_widget_get_screen(widget);
 391         G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
 392         monitor = gdk_screen_get_monitor_at_window(screen, gtk_widget_get_window(widget));
 393         G_GNUC_END_IGNORE_DEPRECATIONS;
 394
 395         n = 100 + monitor + 1;
 396
 397         DEBUG_1("Screen appears to be %d", n);
 398
 399         return n;
 400 }
 401 #pragma GCC diagnostic pop
 402
 403 enum {
 404         FS_MENU_COLUMN_NAME = 0,
 405         FS_MENU_COLUMN_VALUE
 406 };
 407
 408 #define BUTTON_ABOVE_KEY  "button_above"
 409
 410 void fullscreen_prefs_selection_cb(GtkWidget *combo, gpointer data)
 411 {
 412         auto value = static_cast<gint *>(data);
 413         GtkTreeModel *store;
 414         GtkTreeIter iter;
 415         GtkWidget *button;
 416
 417         if (!value) return;
 418
 419         store = gtk_combo_box_get_model(GTK_COMBO_BOX(combo));
 420         if (!gtk_combo_box_get_active_iter(GTK_COMBO_BOX(combo), &iter)) return;
 421         gtk_tree_model_get(store, &iter, FS_MENU_COLUMN_VALUE, value, -1);
 422
 423         button = static_cast<GtkWidget *>(g_object_get_data(G_OBJECT(combo), BUTTON_ABOVE_KEY));
 424         if (button)
 425                 {
 426                 gtk_widget_set_sensitive(button, *value != -1);
 427                 }
 428 }
 429
 430 void fullscreen_prefs_selection_add(GtkListStore *store, const gchar *text, gint value)
 431 {
 432         GtkTreeIter iter;
 433
 434         gtk_list_store_append(store, &iter);
 435         gtk_list_store_set(store, &iter, FS_MENU_COLUMN_NAME, text,
 436                                          FS_MENU_COLUMN_VALUE, value, -1);
 437 }
 438
 439 } // namespace
 440
 441
 442 /*
 443  *----------------------------------------------------------------------------
 444  * full screen functions
 445  *----------------------------------------------------------------------------
 446  */
 447
 448 FullScreenData *fullscreen_start(GtkWidget *window, ImageWindow *imd,
 449                                  FullScreenData::StopFunc stop_func, gpointer stop_data)
 450 {
 451         FullScreenData *fs;
 452         GdkScreen *screen;
 453         GdkGeometry geometry;
 454
 455         if (!window || !imd) return nullptr;
 456
 457         fs = g_new0(FullScreenData, 1);
 458
 459         fs->cursor_state = FULLSCREEN_CURSOR_HIDDEN;
 460
 461         fs->normal_window = window;
 462         fs->normal_imd = imd;
 463
 464         fs->stop_func = stop_func;
 465         fs->stop_data = stop_data;
 466
 467         DEBUG_1("full screen requests screen %d", options->fullscreen.screen);
 468         GdkRectangle rect = fullscreen_prefs_get_geometry(options->fullscreen.screen, window, screen, fs->same_region);
 469
 470         fs->window = window_new("fullscreen", nullptr, nullptr, _("Full screen"));
 471         DEBUG_NAME(fs->window);
 472
 473         g_signal_connect(G_OBJECT(fs->window), "delete_event",
 474                          G_CALLBACK(fullscreen_delete_cb), fs);
 475
 476         /* few cosmetic details */
 477         gtk_window_set_decorated(GTK_WINDOW(fs->window), FALSE);
 478         gtk_container_set_border_width(GTK_CONTAINER(fs->window), 0);
 479
 480         /* keep window above others, if requested */
 481         if (options->fullscreen.above)
 482                 {
 483                 gq_gtk_window_set_keep_above(GTK_WINDOW(fs->window), TRUE);
 484                 }
 485
 486         /* set default size and position, so the window appears where it was before */
 487         gtk_window_set_default_size(GTK_WINDOW(fs->window), rect.width, rect.height);
 488         gq_gtk_window_move(GTK_WINDOW(fs->window), rect.x, rect.y);
 489
 490         /* By setting USER_POS and USER_SIZE, most window managers will
 491          * not request positioning of the full screen window (for example twm).
 492          *
 493          * In addition, setting gravity to STATIC will result in the
 494          * decorations of twm to not effect the requested window position,
 495          * the decorations will simply be off screen, except in multi monitor setups :-/
 496          */
 497         geometry.min_width = 1;
 498         geometry.min_height = 1;
 499         geometry.base_width = rect.width;
 500         geometry.base_height = rect.height;
 501         geometry.win_gravity = GDK_GRAVITY_STATIC;
 502         gtk_window_set_geometry_hints(GTK_WINDOW(fs->window), fs->window, &geometry,
 503                         static_cast<GdkWindowHints>(GDK_HINT_WIN_GRAVITY | GDK_HINT_USER_POS | GDK_HINT_USER_SIZE));
 504
 505         gtk_widget_realize(fs->window);
 506
 507         if ((options->fullscreen.screen % 100) == 0)
 508                 {
 509                 GdkWindow *gdkwin;
 510                 gdkwin = gtk_widget_get_window(fs->window);
 511                 if (gdkwin != nullptr)
 512                         gdk_window_set_fullscreen_mode(gdkwin, GDK_FULLSCREEN_ON_ALL_MONITORS);
 513                 }
 514
 515         /* make window fullscreen -- let Gtk do it's job, don't screw it in any way */
 516         gtk_window_fullscreen(GTK_WINDOW(fs->window));
 517
 518         /* move it to requested screen */
 519         if (options->fullscreen.screen >= 0)
 520                 {
 521                 gtk_window_set_screen(GTK_WINDOW(fs->window), screen);
 522                 }
 523
 524         fs->imd = image_new(FALSE);
 525
 526         gq_gtk_container_add(GTK_WIDGET(fs->window), fs->imd->widget);
 527
 528         image_background_set_color_from_options(fs->imd, TRUE);
 529         image_set_delay_flip(fs->imd, options->fullscreen.clean_flip);
 530         image_auto_refresh_enable(fs->imd, fs->normal_imd->auto_refresh);
 531
 532         if (options->fullscreen.clean_flip)
 533                 {
 534                 image_set_update_func(fs->imd, fullscreen_image_update_cb, fs);
 535                 image_set_complete_func(fs->imd, fullscreen_image_complete_cb, fs);
 536                 }
 537
 538         gtk_widget_show(fs->imd->widget);
 539
 540         if (fs->same_region)
 541                 {
 542                 DEBUG_2("Original window is not visible, enabling std. fullscreen mode");
 543                 image_move_from_image(fs->imd, fs->normal_imd);
 544                 }
 545         else
 546                 {
 547                 DEBUG_2("Original window is still visible, enabling presentation fullscreen mode");
 548                 image_copy_from_image(fs->imd, fs->normal_imd);
 549                 }
 550
 551         if (options->stereo.enable_fsmode)
 552                 {
 553                 image_stereo_set(fs->imd, options->stereo.fsmode);
 554                 }
 555
 556         gtk_widget_show(fs->window);
 557
 558         /* for hiding the mouse */
 559         g_signal_connect(G_OBJECT(fs->imd->pr), "motion_notify_event",
 560                            G_CALLBACK(fullscreen_mouse_moved), fs);
 561         clear_mouse_cursor(fs->window, fs->cursor_state);
 562
 563         /* set timer to block screen saver */
 564         fs->saver_block_id = g_timeout_add(60 * 1000, fullscreen_saver_block_cb, fs);
 565
 566         /* hide normal window */
 567          /** @FIXME properly restore this window on show
 568          */
 569         if (fs->same_region)
 570                 {
 571                 if (options->hide_window_in_fullscreen)
 572                         {
 573                         gtk_widget_hide(fs->normal_window);
 574                         }
 575                 image_change_fd(fs->normal_imd, nullptr, image_zoom_get(fs->normal_imd));
 576                 }
 577
 578         return fs;
 579 }
 580
 581 void fullscreen_stop(FullScreenData *fs)
 582 {
 583         if (!fs) return;
 584
 585         if (fs->saver_block_id) g_source_remove(fs->saver_block_id);
 586
 587         fullscreen_hide_mouse_disable(fs);
 588         fullscreen_busy_mouse_disable(fs);
 589         gdk_keyboard_ungrab(GDK_CURRENT_TIME);
 590
 591         if (fs->same_region)
 592                 {
 593                 image_move_from_image(fs->normal_imd, fs->imd);
 594                 if (options->hide_window_in_fullscreen)
 595                         {
 596                         gtk_widget_show(fs->normal_window);
 597                         }
 598                 if (options->stereo.enable_fsmode)
 599                         {
 600                         image_stereo_set(fs->normal_imd, options->stereo.mode);
 601                         }
 602                 }
 603
 604
 605         if (fs->stop_func) fs->stop_func(fs, fs->stop_data);
 606
 607         gq_gtk_widget_destroy(fs->window);
 608
 609         gtk_window_present(GTK_WINDOW(fs->normal_window));
 610
 611         g_free(fs);
 612 }
 613
 614
 615 /*
 616  *----------------------------------------------------------------------------
 617  * full screen preferences and utils
 618  *----------------------------------------------------------------------------
 619  */
 620
 621 GtkWidget *fullscreen_prefs_selection_new(const gchar *text, gint *screen_value, gboolean *)
 622 {
 623         GtkWidget *vbox;
 624         GtkWidget *hbox;
 625         GtkWidget *combo;
 626         GtkListStore *store;
 627         GtkCellRenderer *renderer;
 628         gint current = 0;
 629         gint n;
 630
 631         if (!screen_value) return nullptr;
 632
 633         vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, PREF_PAD_GAP);
 634         DEBUG_NAME(vbox);
 635         hbox = pref_box_new(vbox, FALSE, GTK_ORIENTATION_HORIZONTAL, PREF_PAD_SPACE);
 636         if (text) pref_label_new(hbox, text);
 637
 638         store = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
 639         combo = gtk_combo_box_new_with_model(GTK_TREE_MODEL(store));
 640         g_object_unref(store);
 641
 642         renderer = gtk_cell_renderer_text_new();
 643         gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo), renderer, TRUE);
 644         gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo), renderer,
 645                                        "text", FS_MENU_COLUMN_NAME, NULL);
 646
 647         fullscreen_prefs_selection_add(store, _("Determined by Window Manager"), -1);
 648         fullscreen_prefs_selection_add(store, _("Active screen"), 0);
 649         if (*screen_value == 0) current = 1;
 650         fullscreen_prefs_selection_add(store, _("Active monitor"), 1);
 651         if (*screen_value == 1) current = 2;
 652
 653         n = 3;
 654         std::vector<ScreenData> list = fullscreen_prefs_list();
 655         for (const ScreenData &sd : list)
 656                 {
 657                 fullscreen_prefs_selection_add(store, sd.description.c_str(), sd.number);
 658                 if (*screen_value == sd.number) current = n;
 659
 660                 n++;
 661                 }
 662
 663         gtk_combo_box_set_active(GTK_COMBO_BOX(combo), current);
 664
 665         gq_gtk_box_pack_start(GTK_BOX(hbox), combo, FALSE, FALSE, 0);
 666         gtk_widget_show(combo);
 667
 668         g_signal_connect(G_OBJECT(combo), "changed",
 669                          G_CALLBACK(fullscreen_prefs_selection_cb), screen_value);
 670
 671         return vbox;
 672 }
 673 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */