vcl/unx/gtk/window/xid_fullscreen_on_all_monitors.c

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <dlfcn.h>
  11 #include <stdlib.h>
  12
  13 typedef int Window;
  14 typedef union  _GdkEvent GdkEvent;
  15 typedef struct _GdkWindow GdkWindow;
  16 typedef struct _GdkDisplay GdkDisplay;
  17 typedef struct _GdkScreen GdkScreen;
  18
  19 typedef enum
  20 {
  21     GDK_FULLSCREEN_ON_CURRENT_MONITOR,
  22     GDK_FULLSCREEN_ON_ALL_MONITORS
  23 } GdkFullscreenMode;
  24
  25 int main(int argc, char *argv[])
  26 {
  27     void *handle;
  28     void (*gtk_init)(int*, char***);
  29     GdkWindow* (*gdk_x11_window_foreign_new_for_display)(GdkDisplay*, Window);
  30     GdkDisplay* (*gdk_display_get_default)(void);
  31     GdkEvent* (*gdk_event_get)(void);
  32     void (*gtk_main_do_event)(GdkEvent*);
  33     void (*gdk_event_free)(GdkEvent*);
  34     void (*gdk_window_fullscreen)(GdkWindow *);
  35     void (*gdk_window_set_fullscreen_mode)(GdkWindow *, GdkFullscreenMode);
  36
  37     GdkEvent *event;
  38     GdkWindow *window;
  39     int windowid;
  40
  41     handle = dlopen("libgtk-3.so.0", RTLD_LAZY);
  42     if( NULL == handle )
  43         return -1;
  44
  45     gtk_init = (void (*) (int*, char***))
  46         dlsym(handle, "gtk_init");
  47     gdk_x11_window_foreign_new_for_display = (GdkWindow* (*)(GdkDisplay*, Window))
  48         dlsym(handle, "gdk_x11_window_foreign_new_for_display");
  49     gdk_display_get_default = (GdkDisplay* (*)(void))
  50         dlsym(handle, "gdk_display_get_default");
  51     gdk_event_get = (GdkEvent* (*)(void))
  52         dlsym(handle, "gdk_event_get");
  53     gtk_main_do_event = (void (*)(GdkEvent*))
  54         dlsym(handle, "gtk_main_do_event");
  55     gdk_event_free = (void (*)(GdkEvent*))
  56         dlsym(handle, "gdk_event_free");
  57     gdk_window_fullscreen = (void (*)(GdkWindow *))
  58         dlsym(handle, "gdk_window_fullscreen");
  59     gdk_window_set_fullscreen_mode = (void (*)(GdkWindow *, GdkFullscreenMode))
  60         dlsym(handle, "gdk_window_set_fullscreen_mode");
  61
  62     if (!gtk_init ||
  63         !gdk_x11_window_foreign_new_for_display ||
  64         !gdk_display_get_default ||
  65         !gdk_event_get ||
  66         !gtk_main_do_event ||
  67         !gdk_event_free ||
  68         !gdk_window_fullscreen ||
  69         !gdk_window_set_fullscreen_mode)
  70     {
  71         dlclose(handle);
  72         return -1;
  73     }
  74
  75     gtk_init(&argc, &argv);
  76
  77     windowid = atoi(argv[1]);
  78
  79     window = gdk_x11_window_foreign_new_for_display(gdk_display_get_default(), windowid);
  80     if (!window)
  81     {
  82         dlclose(handle);
  83         return -1;
  84     }
  85
  86     gdk_window_set_fullscreen_mode(window, GDK_FULLSCREEN_ON_ALL_MONITORS);
  87     gdk_window_fullscreen(window);
  88
  89     while ((event = gdk_event_get()) != NULL)
  90     {
  91         gtk_main_do_event(event);
  92         gdk_event_free(event);
  93     }
  94
  95     dlclose(handle);
  96     return 0;
  97 }
  98 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
  99