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backends/native: Implement support for pointer barriers

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When running as a dispay server pointer barriers are a server side
feature and requires no client interaction of any sort. This patch
implements pointer barriers that can be used when running as a display
server on the native backend. Running as a display server using the X11
backend is currently not supported.

https://bugzilla.gnome.org/show_bug.cgi?id=706655
This commit is contained in:
Jonas Ådahl
2015-01-16 16:50:51 +08:00
committed by Jasper St. Pierre
parent 1dea1813b1
commit db384a656c
7 changed files with 909 additions and 5 deletions
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22
src/core/display.c
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@ -50,6 +50,7 @@
#include "meta-idle-monitor-dbus.h"
#include "meta-cursor-tracker-private.h"
#include <meta/meta-backend.h>
#include "backends/native/meta-backend-native.h"
#include "backends/x11/meta-backend-x11.h"
#include <clutter/x11/clutter-x11.h>
@ -2906,9 +2907,11 @@ meta_display_get_xinput_opcode (MetaDisplay *display)
* meta_display_supports_extended_barriers:
* @display: a #MetaDisplay
*
* Returns: whether the X server supports extended barrier
* features as defined in version 2.3 of the XInput 2
* specification.
* Returns: whether pointer barriers can be supported.
*
* When running as an X compositor the X server needs XInput 2
* version 2.3. When running as a display server it is supported
* when running on the native backend.
*
* Clients should use this method to determine whether their
* interfaces should depend on new barrier features.
@ -2916,7 +2919,18 @@ meta_display_get_xinput_opcode (MetaDisplay *display)
gboolean
meta_display_supports_extended_barriers (MetaDisplay *display)
{
return META_DISPLAY_HAS_XINPUT_23 (display) && !meta_is_wayland_compositor ();
#ifdef HAVE_NATIVE_BACKEND
if (META_IS_BACKEND_NATIVE (meta_get_backend ()))
return TRUE;
#endif
if (META_IS_BACKEND_X11 (meta_get_backend ()))
{
return (META_DISPLAY_HAS_XINPUT_23 (display) &&
!meta_is_wayland_compositor());
}
g_assert_not_reached ();
}
/**