void
GrabButtonSet(unsigned int button, unsigned int modifiers, Win win,
unsigned int event_mask, unsigned int csr, int confine __UNUSED__)
{
Bool owner_events = False;
int pointer_mode = GrabModeSync;
int keyboard_mode = GrabModeAsync;
int i;
#if USE_XI2
EXIEventMask em;
XIGrabModifiers modifiers_inouts[8];
int num_modifiers;
EXIMaskSetup(&em, DEV_PTR, event_mask);
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++;
}
}
XIGrabButton(disp, DEV_PTR, button, WinGetXwin(win), ECsrGet(csr),
pointer_mode, keyboard_mode, owner_events,
&em.em, num_modifiers, modifiers_inouts);
#else
EX_Window confine_to = (confine) ? WinGetXwin(win) : NoXID;
if (modifiers == AnyModifier)
{
XGrabButton(disp, button, modifiers,
WinGetXwin(win), owner_events, event_mask, pointer_mode,
keyboard_mode, confine_to, ECsrGet(csr));
return;
}
for (i = 0; i < 8; i++)
{
if (i && !Mode.masks.mod_combos[i])
continue;
XGrabButton(disp, button, modifiers | Mode.masks.mod_combos[i],
WinGetXwin(win), owner_events, event_mask, pointer_mode,
keyboard_mode, confine_to, ECsrGet(csr));
}
#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 ();
}
}
gboolean
xfwm_device_grab_button (XfwmDevices *devices, Display *display,
guint button, guint modifiers, Window grab_window,
gboolean owner_events, guint event_mask,
gint grab_mode, gint paired_device_mode,
Window confine_to, Cursor cursor)
{
gboolean result;
Status status;
#ifdef HAVE_XI2
XIGrabModifiers xi2_modifiers;
XIEventMask xievent_mask;
#endif
#ifdef HAVE_XI2
if (devices->xi2_available)
{
xi2_modifiers.modifiers = xi2_modifier_mask (modifiers);
xi2_modifiers.status = 0;
xfwm_device_fill_xi2_event_mask (&xievent_mask, event_mask);
status = XIGrabButton (display, devices->pointer.xi2_device, button, grab_window,
cursor, grab_mode, paired_device_mode, owner_events,
&xievent_mask, 1, &xi2_modifiers);
g_free (xievent_mask.mask);
result = (status == XIGrabSuccess);
}
else
#endif
{
status = XGrabButton (display, button, modifiers, grab_window,
owner_events, event_mask, grab_mode, paired_device_mode,
confine_to, cursor);
result = (status == GrabSuccess);
}
return result;
}
