XfwmDevices *
xfwm_devices_new (GdkDisplay *display)
{
XfwmDevices *devices;
#ifdef HAVE_XI2
GdkSeat *seat;
GdkDevice *pointer_device;
GdkDevice *keyboard_device;
gint firstevent, firsterror;
#endif
devices = g_new0 (XfwmDevices, 1);
devices->xi2_available = FALSE;
devices->xi2_opcode = 0;
devices->pointer.keyboard = FALSE;
devices->pointer.xi2_device = None;
devices->keyboard.keyboard = TRUE;
devices->keyboard.xi2_device = None;
#ifdef HAVE_XI2
seat = gdk_display_get_default_seat (display);
pointer_device = gdk_seat_get_pointer (seat);
keyboard_device = gdk_seat_get_keyboard (seat);
if (GDK_IS_X11_DEVICE_XI2 (pointer_device) || GDK_IS_X11_DEVICE_XI2 (keyboard_device))
{
/* GDK uses XI2, let's use it too */
/* Obtain XI2 opcode */
if (XQueryExtension (gdk_x11_display_get_xdisplay (display), "XInputExtension",
&devices->xi2_opcode, &firstevent, &firsterror))
{
devices->xi2_available = TRUE;
devices->pointer.xi2_device = gdk_x11_device_get_id (pointer_device);
devices->keyboard.xi2_device = gdk_x11_device_get_id (keyboard_device);
}
}
#endif
return devices;
}
/**
* gdk_x11_device_get_id:
* @device: (type GdkX11DeviceCore): a #GdkDevice
*
* Returns the device ID as seen by XInput2.
*
* > If gdk_disable_multidevice() has been called, this function
* > will respectively return 2/3 for the core pointer and keyboard,
* > (matching the IDs for the Virtual Core Pointer and Keyboard in
* > XInput 2), but calling this function on any slave devices (i.e.
* > those managed via XInput 1.x), will return 0.
*
* Returns: the XInput2 device ID.
*
* Since: 3.2
**/
gint
gdk_x11_device_get_id (GdkDevice *device)
{
gint device_id = 0;
g_return_val_if_fail (GDK_IS_DEVICE (device), 0);
#ifdef XINPUT_2
if (GDK_IS_X11_DEVICE_XI2 (device))
device_id = _gdk_x11_device_xi2_get_id (GDK_X11_DEVICE_XI2 (device));
else
#endif /* XINPUT_2 */
if (GDK_IS_X11_DEVICE_CORE (device))
{
if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
device_id = VIRTUAL_CORE_KEYBOARD_ID;
else
device_id = VIRTUAL_CORE_POINTER_ID;
}
return device_id;
}