void
GrabKeyRelease(unsigned int keycode, 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++;
}
}
XIUngrabKeycode(disp, DEV_KBD, keycode, WinGetXwin(win),
num_modifiers, modifiers_inouts);
#else
if (modifiers == AnyModifier)
{
XUngrabKey(disp, keycode, modifiers, WinGetXwin(win));
return;
}
for (i = 0; i < 8; i++)
{
if (i && !Mode.masks.mod_combos[i])
continue;
XUngrabKey(disp, keycode, modifiers | Mode.masks.mod_combos[i],
WinGetXwin(win));
}
#endif
}
static void
grab_key_real (guint keycode,
GdkWindow *root,
gboolean grab,
XIGrabModifiers *mods,
int num_mods)
{
XIEventMask evmask;
unsigned char mask[(XI_LASTEVENT + 7)/8];
memset (mask, 0, sizeof (mask));
XISetMask (mask, XI_KeyPress);
XISetMask (mask, XI_KeyRelease);
evmask.deviceid = XIAllMasterDevices;
evmask.mask_len = sizeof (mask);
evmask.mask = mask;
if (grab) {
XIGrabKeycode (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
XIAllMasterDevices,
keycode,
GDK_WINDOW_XID (root),
GrabModeAsync,
GrabModeAsync,
False,
&evmask,
num_mods,
mods);
} else {
XIUngrabKeycode (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
XIAllMasterDevices,
keycode,
GDK_WINDOW_XID (root),
num_mods,
mods);
}
}
void
xfwm_device_ungrab_keycode (XfwmDevices *devices, Display *display,
gint keycode, 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;
XIUngrabKeycode (display, devices->keyboard.xi2_device, keycode,
grab_window, 1, &xi2_modifiers);
}
else
#endif
{
XUngrabKey (display, keycode, modifiers, grab_window);
}
}
Bool
grabKeyCtrl (XWCContext * ctx,
Window w,
KeyCode xKCode,
int nMods,
XIGrabModifiers * mods,
Bool grab)
{
XIGrabModifiers * failMods;
XIEventMask evmask;
int nfailMods, i;
unsigned char mask[(XI_LASTEVENT + 7) / 8];
char buf[1024];
snprintf (buf, sizeof (buf), "\t\tGrabbing keycode %d on window 0x%lX:",
xKCode, w);
logCtrl (buf, LOG_LVL_1, False);
if (ctx == NULL)
{
logCtrl ("\t\t\tCannot grab key: NULL pointer to XWC context received.",
LOG_LVL_NO, False);
return False;
}
if (ctx->kbds == NULL)
{
logCtrl ("\t\t\tCannot grab key: NULL pointer to keyboard device list"
" received.", LOG_LVL_NO, False);
return False;
}
if (ctx->kbds->nDevs < 0 || ctx->kbds->nDevs > 127)
{
logCtrl ("\t\t\tCannot grab key: bad device count.", LOG_LVL_NO, False);
return False;
}
if (ctx->kbds->devs == NULL)
{
logCtrl ("\t\t\tCannot grab key: NULL pointer to device array "
"received.", LOG_LVL_NO, False);
return False;
}
if (nMods < 0 || nMods > 127)
{
logCtrl ("\t\t\tCannot grab key: bad mods count.", LOG_LVL_NO, False);
return False;
}
if (mods == NULL)
{
logCtrl ("\t\t\tCannot grab key: NULL pointer to modifiers array "
"received.", LOG_LVL_NO, False);
return False;
}
if (w == None)
{
logCtrl ("\t\t\tCannot grab key: No window specified.", LOG_LVL_NO,
False);
return False;
}
if (grab == False)
{
for (i = 0; i < ctx->kbds->nDevs; ++ i)
{
XIUngrabKeycode (ctx->xDpy, ctx->kbds->devs[i], xKCode, w, nMods,
mods);
snprintf (buf, sizeof (buf), "\t\t\tkeycode ungrabbed on device "
"%d.", ctx->kbds->devs[i]);
logCtrl (buf, LOG_LVL_2, True);
}
return True;
}
failMods = (XIGrabModifiers*) malloc (sizeof (XIGrabModifiers) * nMods);
if (failMods == NULL)
{
logCtrl ("\t\t\tCannot grab key: cannot allocate array for failed "
"mods.", LOG_LVL_NO, False);
return False;
}
memcpy (failMods, mods, sizeof (XIGrabModifiers) * nMods);
memset (mask, 0, sizeof (mask));
XISetMask (mask, XI_KeyRelease);
XISetMask (mask, XI_KeyPress);
memset (&evmask, 0, sizeof (evmask));
evmask.mask_len = sizeof (mask);
evmask.mask = mask;
nfailMods = 0;
for (i = 0; i < ctx->kbds->nDevs && nfailMods == 0; ++ i)
{
nfailMods = XIGrabKeycode (ctx->xDpy, ctx->kbds->devs[i], xKCode, w,
GrabModeAsync, GrabModeAsync, False, &evmask,
nMods, failMods);
if (nfailMods == 0)
{
snprintf (buf, sizeof (buf), "\t\t\tkeycode grabbed on device %d.",
ctx->kbds->devs[i]);
logCtrl (buf, LOG_LVL_2, True);
}
}
if (nfailMods != 0)
{
for (i = 0; i < nfailMods; ++ i)
{
snprintf (buf, sizeof (buf), "\t\t\tModifier %x failed with error "
"%d\n", failMods[i].modifiers, failMods[i].status);
logCtrl (buf, LOG_LVL_NO, False);
}
free (failMods);
return False;
}
snprintf (buf, sizeof (buf), "\t\t\tSuccess");
logCtrl (buf, LOG_LVL_2, True);
free (failMods);
return True;
}
