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/* GDK - The GIMP Drawing Kit
* Copyright (C) 2009 Carlos Garnacho <carlosg@gnome.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gdkx11devicemanager-core.h"
#include "gdkdevicemanagerprivate-core.h"
#ifdef XINPUT_2
#include "gdkx11devicemanager-xi2.h"
#endif
#include "gdkinternals.h"
#include "gdkprivate-x11.h"
/* Defines for VCP/VCK, to be used too
* for the core protocol device manager
*/
#define VIRTUAL_CORE_POINTER_ID 2
#define VIRTUAL_CORE_KEYBOARD_ID 3
GdkDeviceManager *
_gdk_x11_device_manager_new (GdkDisplay *display)
{
if (!g_getenv ("GDK_CORE_DEVICE_EVENTS"))
{
#ifdef XINPUT_2
int opcode, firstevent, firsterror;
Display *xdisplay;
xdisplay = GDK_DISPLAY_XDISPLAY (display);
if (XQueryExtension (xdisplay, "XInputExtension",
&opcode, &firstevent, &firsterror))
{
int major, minor;
major = 2;
minor = 3;
if (!_gdk_disable_multidevice &&
XIQueryVersion (xdisplay, &major, &minor) != BadRequest)
{
GdkX11DeviceManagerXI2 *device_manager_xi2;
GDK_NOTE (INPUT, g_message ("Creating XI2 device manager"));
device_manager_xi2 = g_object_new (GDK_TYPE_X11_DEVICE_MANAGER_XI2,
"display", display,
"opcode", opcode,
"major", major,
"minor", minor,
NULL);
return GDK_DEVICE_MANAGER (device_manager_xi2);
}
}
#endif /* XINPUT_2 */
}
GDK_NOTE (INPUT, g_message ("Creating core device manager"));
return g_object_new (GDK_TYPE_X11_DEVICE_MANAGER_CORE,
"display", display,
NULL);
}
/**
* gdk_x11_device_manager_lookup:
* @device_manager: (type GdkX11DeviceManagerCore): a #GdkDeviceManager
* @device_id: a device ID, as understood by the XInput2 protocol
*
* Returns the #GdkDevice that wraps the given device ID.
*
* Returns: (transfer none) (allow-none) (type GdkX11DeviceCore): The #GdkDevice wrapping the device ID,
* or %NULL if the given ID doesn’t currently represent a device.
*
* Since: 3.2
**/
GdkDevice *
gdk_x11_device_manager_lookup (GdkDeviceManager *device_manager,
gint device_id)
{
GdkDevice *device = NULL;
g_return_val_if_fail (GDK_IS_DEVICE_MANAGER (device_manager), NULL);
#ifdef XINPUT_2
if (GDK_IS_X11_DEVICE_MANAGER_XI2 (device_manager))
device = _gdk_x11_device_manager_xi2_lookup (GDK_X11_DEVICE_MANAGER_XI2 (device_manager),
device_id);
else
#endif /* XINPUT_2 */
if (GDK_IS_X11_DEVICE_MANAGER_CORE (device_manager))
{
/* It is a core/xi1 device manager, we only map
* IDs 2 and 3, matching XI2's Virtual Core Pointer
* and Keyboard.
*/
if (device_id == VIRTUAL_CORE_POINTER_ID)
device = GDK_X11_DEVICE_MANAGER_CORE (device_manager)->core_pointer;
else if (device_id == VIRTUAL_CORE_KEYBOARD_ID)
device = GDK_X11_DEVICE_MANAGER_CORE (device_manager)->core_keyboard;
}
return device;
}
/**
* 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;
}
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