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Diffstat (limited to 'mate-panel/panel-background-monitor.c')
| -rw-r--r-- | mate-panel/panel-background-monitor.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/mate-panel/panel-background-monitor.c b/mate-panel/panel-background-monitor.c index c2cd431d..4c33aedf 100644 --- a/mate-panel/panel-background-monitor.c +++ b/mate-panel/panel-background-monitor.c @@ -24,6 +24,12 @@ * Mark McLoughlin <[email protected]> */ +#include <config.h> + +#ifndef HAVE_X11 +#error file should only be compiled when HAVE_X11 is enabled +#endif + #include <glib.h> #include <glib-object.h> #include <gdk/gdk.h> @@ -82,6 +88,7 @@ static guint signals [LAST_SIGNAL] = { 0 }; gboolean gdk_window_check_composited_wm(GdkWindow* window) { + g_return_val_if_fail (GDK_IS_X11_WINDOW (window), TRUE); return gdk_screen_is_composited(gdk_window_get_screen(window)); } @@ -182,6 +189,8 @@ panel_background_monitor_new (GdkScreen *screen) PanelBackgroundMonitor * panel_background_monitor_get_for_screen (GdkScreen *screen) { + g_return_val_if_fail (GDK_IS_X11_SCREEN (screen), NULL); + if (!global_background_monitor) { global_background_monitor = panel_background_monitor_new (screen); @@ -361,6 +370,9 @@ panel_background_monitor_get_region (PanelBackgroundMonitor *monitor, int subwidth, subheight; int subx, suby; + g_return_val_if_fail (monitor, NULL); + g_return_val_if_fail (GDK_IS_X11_WINDOW (monitor->gdkwindow), NULL); + if (!monitor->gdkpixbuf) panel_background_monitor_setup_pixbuf (monitor); |