diff options
Diffstat (limited to 'gdk/x11/gdkdisplay-x11.c')
| -rw-r--r-- | gdk/x11/gdkdisplay-x11.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/gdk/x11/gdkdisplay-x11.c b/gdk/x11/gdkdisplay-x11.c index c57ef2e833..de7c1f2f83 100644 --- a/gdk/x11/gdkdisplay-x11.c +++ b/gdk/x11/gdkdisplay-x11.c @@ -54,6 +54,14 @@ #include <X11/extensions/shape.h> #endif +#ifdef HAVE_XCOMPOSITE +#include <X11/extensions/Xcomposite.h> +#endif + +#ifdef HAVE_XDAMAGE +#include <X11/extensions/Xdamage.h> +#endif + static void gdk_display_x11_dispose (GObject *object); static void gdk_display_x11_finalize (GObject *object); @@ -206,6 +214,29 @@ gdk_display_open (const gchar *display_name) #endif display_x11->have_xfixes = FALSE; +#ifdef HAVE_XCOMPOSITE + if (XCompositeQueryExtension (display_x11->xdisplay, + &ignore, &ignore)) + display_x11->have_xcomposite = TRUE; + else +#endif + display_x11->have_xcomposite = FALSE; + +#ifdef HAVE_XDAMAGE + if (XDamageQueryExtension (display_x11->xdisplay, + &display_x11->xdamage_event_base, + &ignore)) + { + display_x11->have_xdamage = TRUE; + + gdk_x11_register_standard_event_type (display, + display_x11->xdamage_event_base, + XDamageNumberEvents); + } + else +#endif + display_x11->have_xdamage = FALSE; + display_x11->have_shapes = FALSE; display_x11->have_input_shapes = FALSE; #ifdef HAVE_SHAPE_EXT @@ -1363,5 +1394,30 @@ gdk_x11_display_get_startup_notification_id (GdkDisplay *display) return GDK_DISPLAY_X11 (display)->startup_notification_id; } +/** + * gdk_display_supports_composite: + * @display: a #GdkDisplay + * + * Returns %TRUE if gdk_window_set_composited() can be used + * to redirect drawing on the window using compositing. + * + * Currently this only works on X11 with XComposite and + * XDamage extensions available. + * + * Returns: %TRUE if windows may be composited. + * + * Since: 2.12 + */ +gboolean +gdk_display_supports_composite (GdkDisplay *display) +{ + GdkDisplayX11 *x11_display = GDK_DISPLAY_X11 (display); + + return x11_display->have_xcomposite && + x11_display->have_xdamage && + x11_display->have_xfixes; +} + + #define __GDK_DISPLAY_X11_C__ #include "gdkaliasdef.c" |