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screen: Select for events on the guard window on the backend connection

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Otherwise, we'll never see them. This fixes the background menu not
working in gnome-shell.
This commit is contained in:
Jasper St. Pierre 2014-07-15 17:13:31 -04:00
parent 12c1a06e60
commit bc8328d7c2
1 changed files with 19 additions and 6 deletions
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25
src/core/screen.c
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@ -56,6 +56,8 @@
#include "x11/window-x11.h"
#include "x11/xprops.h"
#include "backends/x11/meta-backend-x11.h"
static char* get_screen_name (MetaDisplay *display,
int number);
@ -470,13 +472,24 @@ create_guard_window (Display *xdisplay, MetaScreen *screen)
XStoreName (xdisplay, guard_window, "mutter guard window");
{
unsigned char mask_bits[XIMaskLen (XI_LASTEVENT)] = { 0 };
XIEventMask mask = { XIAllMasterDevices, sizeof (mask_bits), mask_bits };
if (!meta_is_wayland_compositor ())
{
MetaBackendX11 *backend = META_BACKEND_X11 (meta_get_backend ());
Display *backend_xdisplay = meta_backend_x11_get_xdisplay (backend);
unsigned char mask_bits[XIMaskLen (XI_LASTEVENT)] = { 0 };
XIEventMask mask = { XIAllMasterDevices, sizeof (mask_bits), mask_bits };
XISetMask (mask.mask, XI_ButtonPress);
XISetMask (mask.mask, XI_ButtonRelease);
XISetMask (mask.mask, XI_Motion);
XISelectEvents (xdisplay, guard_window, &mask, 1);
XISetMask (mask.mask, XI_ButtonPress);
XISetMask (mask.mask, XI_ButtonRelease);
XISetMask (mask.mask, XI_Motion);
/* Sync on the connection we created the window on to
* make sure it's created before we select on it on the
* backend connection. */
XSync (xdisplay, False);
XISelectEvents (backend_xdisplay, guard_window, &mask, 1);
}
}
stack_window.any.type = META_WINDOW_CLIENT_TYPE_X11;