void
GrabButtonRelease(unsigned int button, unsigned int modifiers, Win win)
{
int i;
#if USE_XI2
XIGrabModifiers modifiers_inouts[8];
int num_modifiers;
if (modifiers == AnyModifier)
{
num_modifiers = 1;
modifiers_inouts[0].modifiers = XIAnyModifier;
modifiers_inouts[0].status = 0;
}
else
{
num_modifiers = 0;
for (i = 0; i < 8; i++)
{
if (i && !Mode.masks.mod_combos[i])
continue;
modifiers_inouts[num_modifiers].modifiers =
modifiers | Mode.masks.mod_combos[i];
modifiers_inouts[num_modifiers].status = 0;
num_modifiers++;
}
}
XIUngrabButton(disp, DEV_PTR, button, WinGetXwin(win),
num_modifiers, modifiers_inouts);
#else
if (modifiers == AnyModifier)
{
XUngrabButton(disp, button, modifiers, WinGetXwin(win));
return;
}
for (i = 0; i < 8; i++)
{
if (i && !Mode.masks.mod_combos[i])
continue;
XUngrabButton(disp, button, modifiers | Mode.masks.mod_combos[i],
WinGetXwin(win));
}
#endif
}
void
grab_button (int deviceid,
gboolean grab,
GdkScreen *screen)
{
GdkWindow *root;
XIGrabModifiers mods;
root = gdk_screen_get_root_window (screen);
mods.modifiers = XIAnyModifier;
if (grab) {
XIEventMask evmask;
unsigned char mask[(XI_LASTEVENT + 7)/8];
memset (mask, 0, sizeof (mask));
XISetMask (mask, XI_ButtonRelease);
XISetMask (mask, XI_ButtonPress);
evmask.deviceid = deviceid;
evmask.mask_len = sizeof (mask);
evmask.mask = mask;
gdk_error_trap_push();
XIGrabButton (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
deviceid,
XIAnyButton,
GDK_WINDOW_XID (root),
None,
GrabModeAsync,
GrabModeAsync,
False,
&evmask,
1,
&mods);
gdk_error_trap_pop_ignored ();
} else {
gdk_error_trap_push();
XIUngrabButton (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
deviceid,
XIAnyButton,
GDK_WINDOW_XID (root),
1, &mods);
gdk_error_trap_pop_ignored ();
}
}
void
xfwm_device_ungrab_button (XfwmDevices *devices, Display *display,
guint button, guint modifiers, Window grab_window)
{
#ifdef HAVE_XI2
XIGrabModifiers xi2_modifiers;
#endif
#ifdef HAVE_XI2
if (devices->xi2_available)
{
xi2_modifiers.modifiers = xi2_modifier_mask (modifiers);
xi2_modifiers.status = 0;
XIUngrabButton (display, devices->pointer.xi2_device, button,
grab_window, 1, &xi2_modifiers);
}
else
#endif
{
XUngrabButton (display, button, modifiers, grab_window);
}
}