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-core.h"
21 #include "gdkdevicemanagerprivate-core.h"
22 #ifdef XINPUT_2
23 #include "gdkx11devicemanager-xi2.h"
24 #endif
25 #include "gdkinternals.h"
26 #include "gdkprivate-x11.h"
27
28 /* Defines for VCP/VCK, to be used too
29 * for the core protocol device manager
30 */
31 #define VIRTUAL_CORE_POINTER_ID 2
32 #define VIRTUAL_CORE_KEYBOARD_ID 3
33
34 GdkDeviceManager *
_gdk_x11_device_manager_new(GdkDisplay * display)35 _gdk_x11_device_manager_new (GdkDisplay *display)
36 {
37 if (!g_getenv ("GDK_CORE_DEVICE_EVENTS"))
38 {
39 #ifdef XINPUT_2
40 int opcode, firstevent, firsterror;
41 Display *xdisplay;
42
43 xdisplay = GDK_DISPLAY_XDISPLAY (display);
44
45 if (XQueryExtension (xdisplay, "XInputExtension",
46 &opcode, &firstevent, &firsterror))
47 {
48 int major, minor;
49
50 major = 2;
51 minor = 4;
52
53 if (!_gdk_disable_multidevice &&
54 XIQueryVersion (xdisplay, &major, &minor) != BadRequest)
55 {
56 GdkX11DeviceManagerXI2 *device_manager_xi2;
57
58 GDK_NOTE (INPUT, g_message ("Creating XI2 (version %d.%d) device manager",
59 major, minor));
60
61 device_manager_xi2 = g_object_new (GDK_TYPE_X11_DEVICE_MANAGER_XI2,
62 "display", display,
63 "opcode", opcode,
64 "major", major,
65 "minor", minor,
66 NULL);
67
68 return GDK_DEVICE_MANAGER (device_manager_xi2);
69 }
70 }
71 #endif /* XINPUT_2 */
72 }
73
74 GDK_NOTE (INPUT, g_message ("Creating core device manager"));
75
76 return g_object_new (GDK_TYPE_X11_DEVICE_MANAGER_CORE,
77 "display", display,
78 NULL);
79 }
80
81 /**
82 * gdk_x11_device_manager_lookup:
83 * @device_manager: (type GdkX11DeviceManagerCore): a #GdkDeviceManager
84 * @device_id: a device ID, as understood by the XInput2 protocol
85 *
86 * Returns the #GdkDevice that wraps the given device ID.
87 *
88 * Returns: (transfer none) (allow-none) (type GdkX11DeviceCore): The #GdkDevice wrapping the device ID,
89 * or %NULL if the given ID doesn’t currently represent a device.
90 *
91 * Since: 3.2
92 **/
93 GdkDevice *
gdk_x11_device_manager_lookup(GdkDeviceManager * device_manager,gint device_id)94 gdk_x11_device_manager_lookup (GdkDeviceManager *device_manager,
95 gint device_id)
96 {
97 GdkDevice *device = NULL;
98
99 g_return_val_if_fail (GDK_IS_DEVICE_MANAGER (device_manager), NULL);
100
101 #ifdef XINPUT_2
102 if (GDK_IS_X11_DEVICE_MANAGER_XI2 (device_manager))
103 device = _gdk_x11_device_manager_xi2_lookup (GDK_X11_DEVICE_MANAGER_XI2 (device_manager),
104 device_id);
105 else
106 #endif /* XINPUT_2 */
107 if (GDK_IS_X11_DEVICE_MANAGER_CORE (device_manager))
108 {
109 /* It is a core/xi1 device manager, we only map
110 * IDs 2 and 3, matching XI2's Virtual Core Pointer
111 * and Keyboard.
112 */
113 if (device_id == VIRTUAL_CORE_POINTER_ID)
114 device = GDK_X11_DEVICE_MANAGER_CORE (device_manager)->core_pointer;
115 else if (device_id == VIRTUAL_CORE_KEYBOARD_ID)
116 device = GDK_X11_DEVICE_MANAGER_CORE (device_manager)->core_keyboard;
117 }
118
119 return device;
120 }
121
122 /**
123 * gdk_x11_device_get_id:
124 * @device: (type GdkX11DeviceCore): a #GdkDevice
125 *
126 * Returns the device ID as seen by XInput2.
127 *
128 * > If gdk_disable_multidevice() has been called, this function
129 * > will respectively return 2/3 for the core pointer and keyboard,
130 * > (matching the IDs for the Virtual Core Pointer and Keyboard in
131 * > XInput 2), but calling this function on any slave devices (i.e.
132 * > those managed via XInput 1.x), will return 0.
133 *
134 * Returns: the XInput2 device ID.
135 *
136 * Since: 3.2
137 **/
138 gint
gdk_x11_device_get_id(GdkDevice * device)139 gdk_x11_device_get_id (GdkDevice *device)
140 {
141 gint device_id = 0;
142
143 g_return_val_if_fail (GDK_IS_DEVICE (device), 0);
144
145 #ifdef XINPUT_2
146 if (GDK_IS_X11_DEVICE_XI2 (device))
147 device_id = _gdk_x11_device_xi2_get_id (GDK_X11_DEVICE_XI2 (device));
148 else
149 #endif /* XINPUT_2 */
150 if (GDK_IS_X11_DEVICE_CORE (device))
151 {
152 if (gdk_device_get_source (device) == GDK_SOURCE_KEYBOARD)
153 device_id = VIRTUAL_CORE_KEYBOARD_ID;
154 else
155 device_id = VIRTUAL_CORE_POINTER_ID;
156 }
157
158 return device_id;
159 }
160