backend: Add an XIWarpPointer wrapper

This makes Alt+F7 / Alt+F8 work respectively under X11 nested mode.
For the native backend implementation, we'll need a special Clutter
function, so don't implement that for now.
This commit is contained in:
Jasper St. Pierre 2014-05-27 14:11:23 -04:00
parent 0a9187a6e9
commit b704659899
5 changed files with 48 additions and 6 deletions

View File

@ -62,6 +62,10 @@ struct _MetaBackendClass
gboolean (* ungrab_device) (MetaBackend *backend,
int device_id,
uint32_t timestamp);
void (* warp_pointer) (MetaBackend *backend,
int x,
int y);
};
#endif /* META_BACKEND_PRIVATE_H */

View File

@ -100,6 +100,14 @@ meta_backend_real_ungrab_device (MetaBackend *backend,
return TRUE;
}
static void
meta_backend_real_warp_pointer (MetaBackend *backend,
int x,
int y)
{
/* Do nothing */
}
static void
meta_backend_class_init (MetaBackendClass *klass)
{
@ -111,6 +119,7 @@ meta_backend_class_init (MetaBackendClass *klass)
klass->create_cursor_renderer = meta_backend_real_create_cursor_renderer;
klass->grab_device = meta_backend_real_grab_device;
klass->ungrab_device = meta_backend_real_ungrab_device;
klass->warp_pointer = meta_backend_real_warp_pointer;
}
static void
@ -189,6 +198,14 @@ meta_backend_ungrab_device (MetaBackend *backend,
return META_BACKEND_GET_CLASS (backend)->ungrab_device (backend, device_id, timestamp);
}
void
meta_backend_warp_pointer (MetaBackend *backend,
int x,
int y)
{
META_BACKEND_GET_CLASS (backend)->warp_pointer (backend, x, y);
}
static GType
get_backend_type (void)
{

View File

@ -50,6 +50,10 @@ gboolean meta_backend_ungrab_device (MetaBackend *backend,
int device_id,
uint32_t timestamp);
void meta_backend_warp_pointer (MetaBackend *backend,
int x,
int y);
void meta_clutter_init (void);
#endif /* META_BACKEND_H */

View File

@ -346,6 +346,22 @@ meta_backend_x11_ungrab_device (MetaBackend *backend,
return (ret == Success);
}
static void
meta_backend_x11_warp_pointer (MetaBackend *backend,
int x,
int y)
{
MetaBackendX11 *x11 = META_BACKEND_X11 (backend);
MetaBackendX11Private *priv = meta_backend_x11_get_instance_private (x11);
XIWarpPointer (priv->xdisplay,
META_VIRTUAL_CORE_POINTER_ID,
None,
meta_backend_x11_get_xwindow (x11),
0, 0, 0, 0,
x, y);
}
static void
meta_backend_x11_class_init (MetaBackendX11Class *klass)
{
@ -358,6 +374,7 @@ meta_backend_x11_class_init (MetaBackendX11Class *klass)
backend_class->grab_device = meta_backend_x11_grab_device;
backend_class->ungrab_device = meta_backend_x11_ungrab_device;
backend_class->warp_pointer = meta_backend_x11_warp_pointer;
}
static void

View File

@ -58,6 +58,8 @@
#include "wayland/window-wayland.h"
#include "wayland/meta-wayland-private.h"
#include "backends/meta-backend.h"
/* Windows that unmaximize to a size bigger than that fraction of the workarea
* will be scaled down to that size (while maintaining aspect ratio).
* Windows that cover an area greater then this size are automaximized on map.
@ -6562,12 +6564,10 @@ warp_grab_pointer (MetaWindow *window,
meta_window_get_client_root_coords (window,
&display->grab_anchor_window_pos);
XIWarpPointer (display->xdisplay,
META_VIRTUAL_CORE_POINTER_ID,
None,
window->screen->xroot,
0, 0, 0, 0,
*x, *y);
{
MetaBackend *backend = meta_get_backend ();
meta_backend_warp_pointer (backend, *x, *y);
}
if (meta_error_trap_pop_with_return (display) != Success)
{