1 /* GDK - The GIMP Drawing Kit
2 * Copyright (C) 2009 Carlos Garnacho <carlosg@gnome.org>
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18 #include "config.h"
19
20 #include "gdkx11devicemanager-xi2.h"
21 #include "gdkinternals.h"
22 #include "gdkprivate-x11.h"
23 #include "gdkdisplay-x11.h"
24
25 /* Defines for VCP/VCK, to be used too
26 * for the core protocol device manager
27 */
28 #define VIRTUAL_CORE_POINTER_ID 2
29 #define VIRTUAL_CORE_KEYBOARD_ID 3
30
31 GdkX11DeviceManagerXI2 *
_gdk_x11_device_manager_new(GdkDisplay * display)32 _gdk_x11_device_manager_new (GdkDisplay *display)
33 {
34 int opcode, firstevent, firsterror;
35 Display *xdisplay;
36
37 xdisplay = GDK_DISPLAY_XDISPLAY (display);
38
39 if (XQueryExtension (xdisplay, "XInputExtension",
40 &opcode, &firstevent, &firsterror))
41 {
42 int major, minor;
43
44 major = 2;
45 minor = 3;
46
47 if (XIQueryVersion (xdisplay, &major, &minor) != BadRequest)
48 {
49 GdkX11DeviceManagerXI2 *device_manager_xi2;
50
51 GDK_DISPLAY_NOTE (display, INPUT, g_message ("Creating XI2 device manager"));
52
53 device_manager_xi2 = g_object_new (GDK_TYPE_X11_DEVICE_MANAGER_XI2,
54 "display", display,
55 "opcode", opcode,
56 "major", major,
57 "minor", minor,
58 NULL);
59
60 return device_manager_xi2;
61 }
62 }
63
64 g_error ("XInput2 support not found on display");
65 }
66
67 /**
68 * gdk_x11_device_manager_lookup:
69 * @device_manager: (type GdkX11DeviceManagerXI2): a `GdkDeviceManager`
70 * @device_id: a device ID, as understood by the XInput2 protocol
71 *
72 * Returns the `GdkDevice` that wraps the given device ID.
73 *
74 * Returns: (transfer none) (nullable) (type GdkX11DeviceXI2): The
75 * `GdkDevice` wrapping the device ID, or %NULL if the given ID
76 * doesn’t currently represent a device.
77 */
78 GdkDevice *
gdk_x11_device_manager_lookup(GdkX11DeviceManagerXI2 * device_manager,int device_id)79 gdk_x11_device_manager_lookup (GdkX11DeviceManagerXI2 *device_manager,
80 int device_id)
81 {
82 g_return_val_if_fail (GDK_IS_X11_DEVICE_MANAGER_XI2 (device_manager), NULL);
83
84 return _gdk_x11_device_manager_xi2_lookup (GDK_X11_DEVICE_MANAGER_XI2 (device_manager),
85 device_id);
86 }
87
88 /**
89 * gdk_x11_device_get_id:
90 * @device: (type GdkX11DeviceXI2): a `GdkDevice`
91 *
92 * Returns the device ID as seen by XInput2.
93 *
94 * Returns: the XInput2 device ID
95 */
96 int
gdk_x11_device_get_id(GdkDevice * device)97 gdk_x11_device_get_id (GdkDevice *device)
98 {
99 g_return_val_if_fail (GDK_IS_DEVICE (device), 0);
100
101 return _gdk_x11_device_xi2_get_id (GDK_X11_DEVICE_XI2 (device));
102 }
103