Fix #650, 651: fullscreen does not work over multiple monitors

https://github.com/BestImageViewer/geeqie/issues/650

diff --git a/src/fullscreen.c b/src/fullscreen.c
index 048fe3f..ef6f35b 100644 (file)
--- a/src/fullscreen.c
+++ b/src/fullscreen.c
@@ -248,14 +248,6 @@ FullScreenData *fullscreen_start(GtkWidget *window, ImageWindow *imd,
        gtk_window_set_decorated(GTK_WINDOW(fs->window), FALSE);
        gtk_container_set_border_width(GTK_CONTAINER(fs->window), 0);
 
-       /* make window fullscreen -- let Gtk do it's job, don't screw it in any way */
-       gtk_window_fullscreen(GTK_WINDOW(fs->window));
-
-       /* move it to requested screen */
-       if (options->fullscreen.screen >= 0) {
-               gtk_window_set_screen(GTK_WINDOW(fs->window), screen);
-       }
-
        /* keep window above others, if requested */
        if (options->fullscreen.above) {
                gtk_window_set_keep_above(GTK_WINDOW(fs->window), TRUE);
@@ -281,6 +273,23 @@ FullScreenData *fullscreen_start(GtkWidget *window, ImageWindow *imd,
                        GDK_HINT_WIN_GRAVITY | GDK_HINT_USER_POS | GDK_HINT_USER_SIZE);
 
        gtk_widget_realize(fs->window);
+#if GTK_CHECK_VERSION(3,8,0)
+       if ((options->fullscreen.screen % 100) == 0)
+               {
+               GdkWindow *gdkwin;
+               gdkwin = gtk_widget_get_window(fs->window);
+               if (gdkwin != NULL)
+                       gdk_window_set_fullscreen_mode(gdkwin, GDK_FULLSCREEN_ON_ALL_MONITORS);
+               }
+#endif
+       /* make window fullscreen -- let Gtk do it's job, don't screw it in any way */
+       gtk_window_fullscreen(GTK_WINDOW(fs->window));
+
+       /* move it to requested screen */
+       if (options->fullscreen.screen >= 0)
+               {
+               gtk_window_set_screen(GTK_WINDOW(fs->window), screen);
+               }
 
        fs->imd = image_new(FALSE);