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 #ifndef __GDK_DEVICE_H__
19 #define __GDK_DEVICE_H__
20 
21 #if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
22 #error "Only <gdk/gdk.h> can be included directly."
23 #endif
24 
25 #include <gdk/gdkversionmacros.h>
26 #include <gdk/gdktypes.h>
27 
28 
29 G_BEGIN_DECLS
30 
31 #define GDK_TYPE_DEVICE         (gdk_device_get_type ())
32 #define GDK_DEVICE(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), GDK_TYPE_DEVICE, GdkDevice))
33 #define GDK_IS_DEVICE(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), GDK_TYPE_DEVICE))
34 
35 typedef struct _GdkTimeCoord GdkTimeCoord;
36 
37 /**
38  * GdkInputSource:
39  * @GDK_SOURCE_MOUSE: the device is a mouse. (This will be reported for the core
40  *                    pointer, even if it is something else, such as a trackball.)
41  * @GDK_SOURCE_PEN: the device is a stylus of a graphics tablet or similar device.
42  * @GDK_SOURCE_ERASER: the device is an eraser. Typically, this would be the other end
43  *                     of a stylus on a graphics tablet.
44  * @GDK_SOURCE_CURSOR: the device is a graphics tablet “puck” or similar device.
45  * @GDK_SOURCE_KEYBOARD: the device is a keyboard.
46  * @GDK_SOURCE_TOUCHSCREEN: the device is a direct-input touch device, such
47  *     as a touchscreen or tablet. This device type has been added in 3.4.
48  * @GDK_SOURCE_TOUCHPAD: the device is an indirect touch device, such
49  *     as a touchpad. This device type has been added in 3.4.
50  * @GDK_SOURCE_TRACKPOINT: the device is a trackpoint. This device type has been
51  *     added in 3.22
52  * @GDK_SOURCE_TABLET_PAD: the device is a "pad", a collection of buttons,
53  *     rings and strips found in drawing tablets. This device type has been
54  *     added in 3.22.
55  *
56  * An enumeration describing the type of an input device in general terms.
57  */
58 typedef enum
59 {
60   GDK_SOURCE_MOUSE,
61   GDK_SOURCE_PEN,
62   GDK_SOURCE_ERASER,
63   GDK_SOURCE_CURSOR,
64   GDK_SOURCE_KEYBOARD,
65   GDK_SOURCE_TOUCHSCREEN,
66   GDK_SOURCE_TOUCHPAD,
67   GDK_SOURCE_TRACKPOINT,
68   GDK_SOURCE_TABLET_PAD
69 } GdkInputSource;
70 
71 /**
72  * GdkInputMode:
73  * @GDK_MODE_DISABLED: the device is disabled and will not report any events.
74  * @GDK_MODE_SCREEN: the device is enabled. The device’s coordinate space
75  *                   maps to the entire screen.
76  * @GDK_MODE_WINDOW: the device is enabled. The device’s coordinate space
77  *                   is mapped to a single window. The manner in which this window
78  *                   is chosen is undefined, but it will typically be the same
79  *                   way in which the focus window for key events is determined.
80  *
81  * An enumeration that describes the mode of an input device.
82  */
83 typedef enum
84 {
85   GDK_MODE_DISABLED,
86   GDK_MODE_SCREEN,
87   GDK_MODE_WINDOW
88 } GdkInputMode;
89 
90 /**
91  * GdkDeviceType:
92  * @GDK_DEVICE_TYPE_MASTER: Device is a master (or virtual) device. There will
93  *                          be an associated focus indicator on the screen.
94  * @GDK_DEVICE_TYPE_SLAVE: Device is a slave (or physical) device.
95  * @GDK_DEVICE_TYPE_FLOATING: Device is a physical device, currently not attached to
96  *                            any virtual device.
97  *
98  * Indicates the device type. See [above][GdkDeviceManager.description]
99  * for more information about the meaning of these device types.
100  */
101 typedef enum {
102   GDK_DEVICE_TYPE_MASTER,
103   GDK_DEVICE_TYPE_SLAVE,
104   GDK_DEVICE_TYPE_FLOATING
105 } GdkDeviceType;
106 
107 /* We don't allocate each coordinate this big, but we use it to
108  * be ANSI compliant and avoid accessing past the defined limits.
109  */
110 #define GDK_MAX_TIMECOORD_AXES 128
111 
112 /**
113  * GdkTimeCoord:
114  * @time: The timestamp for this event.
115  * @axes: the values of the device’s axes.
116  *
117  * A #GdkTimeCoord stores a single event in a motion history.
118  */
119 struct _GdkTimeCoord
120 {
121   guint32 time;
122   gdouble axes[GDK_MAX_TIMECOORD_AXES];
123 };
124 
125 GDK_AVAILABLE_IN_ALL
126 GType                 gdk_device_get_type       (void) G_GNUC_CONST;
127 
128 GDK_AVAILABLE_IN_ALL
129 const gchar *         gdk_device_get_name       (GdkDevice *device);
130 GDK_AVAILABLE_IN_ALL
131 gboolean              gdk_device_get_has_cursor (GdkDevice *device);
132 
133 /* Functions to configure a device */
134 GDK_AVAILABLE_IN_ALL
135 GdkInputSource gdk_device_get_source    (GdkDevice      *device);
136 
137 GDK_AVAILABLE_IN_ALL
138 GdkInputMode   gdk_device_get_mode      (GdkDevice      *device);
139 GDK_AVAILABLE_IN_ALL
140 gboolean       gdk_device_set_mode      (GdkDevice      *device,
141                                          GdkInputMode    mode);
142 
143 GDK_AVAILABLE_IN_ALL
144 gint           gdk_device_get_n_keys    (GdkDevice       *device);
145 GDK_AVAILABLE_IN_ALL
146 gboolean       gdk_device_get_key       (GdkDevice       *device,
147                                          guint            index_,
148                                          guint           *keyval,
149                                          GdkModifierType *modifiers);
150 GDK_AVAILABLE_IN_ALL
151 void           gdk_device_set_key       (GdkDevice      *device,
152                                          guint           index_,
153                                          guint           keyval,
154                                          GdkModifierType modifiers);
155 
156 GDK_AVAILABLE_IN_ALL
157 GdkAxisUse     gdk_device_get_axis_use  (GdkDevice         *device,
158                                          guint              index_);
159 GDK_AVAILABLE_IN_ALL
160 void           gdk_device_set_axis_use  (GdkDevice         *device,
161                                          guint              index_,
162                                          GdkAxisUse         use);
163 
164 
165 GDK_AVAILABLE_IN_ALL
166 void     gdk_device_get_state    (GdkDevice         *device,
167                                   GdkWindow         *window,
168                                   gdouble           *axes,
169                                   GdkModifierType   *mask);
170 GDK_AVAILABLE_IN_ALL
171 void     gdk_device_get_position (GdkDevice         *device,
172                                   GdkScreen        **screen,
173                                   gint              *x,
174                                   gint              *y);
175 GDK_AVAILABLE_IN_ALL
176 GdkWindow *
177          gdk_device_get_window_at_position
178                                  (GdkDevice         *device,
179                                   gint              *win_x,
180                                   gint              *win_y);
181 GDK_AVAILABLE_IN_3_10
182 void     gdk_device_get_position_double (GdkDevice         *device,
183                                          GdkScreen        **screen,
184                                          gdouble           *x,
185                                          gdouble           *y);
186 GDK_AVAILABLE_IN_3_10
187 GdkWindow *
188          gdk_device_get_window_at_position_double
189                                  (GdkDevice         *device,
190                                   gdouble           *win_x,
191                                   gdouble           *win_y);
192 GDK_AVAILABLE_IN_ALL
193 gboolean gdk_device_get_history  (GdkDevice         *device,
194                                   GdkWindow         *window,
195                                   guint32            start,
196                                   guint32            stop,
197                                   GdkTimeCoord    ***events,
198                                   gint              *n_events);
199 GDK_AVAILABLE_IN_ALL
200 void     gdk_device_free_history (GdkTimeCoord     **events,
201                                   gint               n_events);
202 
203 GDK_AVAILABLE_IN_ALL
204 gint     gdk_device_get_n_axes     (GdkDevice       *device);
205 GDK_AVAILABLE_IN_ALL
206 GList *  gdk_device_list_axes      (GdkDevice       *device);
207 GDK_AVAILABLE_IN_ALL
208 gboolean gdk_device_get_axis_value (GdkDevice       *device,
209                                     gdouble         *axes,
210                                     GdkAtom          axis_label,
211                                     gdouble         *value);
212 
213 GDK_AVAILABLE_IN_ALL
214 gboolean gdk_device_get_axis     (GdkDevice         *device,
215                                   gdouble           *axes,
216                                   GdkAxisUse         use,
217                                   gdouble           *value);
218 GDK_AVAILABLE_IN_ALL
219 GdkDisplay * gdk_device_get_display (GdkDevice      *device);
220 
221 GDK_AVAILABLE_IN_ALL
222 GdkDevice  * gdk_device_get_associated_device (GdkDevice     *device);
223 GDK_AVAILABLE_IN_ALL
224 GList *      gdk_device_list_slave_devices    (GdkDevice     *device);
225 
226 GDK_AVAILABLE_IN_ALL
227 GdkDeviceType gdk_device_get_device_type (GdkDevice *device);
228 
229 GDK_DEPRECATED_IN_3_20_FOR(gdk_seat_grab)
230 GdkGrabStatus gdk_device_grab        (GdkDevice        *device,
231                                       GdkWindow        *window,
232                                       GdkGrabOwnership  grab_ownership,
233                                       gboolean          owner_events,
234                                       GdkEventMask      event_mask,
235                                       GdkCursor        *cursor,
236                                       guint32           time_);
237 
238 GDK_DEPRECATED_IN_3_20_FOR(gdk_seat_ungrab)
239 void          gdk_device_ungrab      (GdkDevice        *device,
240                                       guint32           time_);
241 
242 GDK_AVAILABLE_IN_ALL
243 void          gdk_device_warp        (GdkDevice        *device,
244                                       GdkScreen        *screen,
245                                       gint              x,
246                                       gint              y);
247 
248 GDK_DEPRECATED_IN_3_16
249 gboolean gdk_device_grab_info_libgtk_only (GdkDisplay  *display,
250                                            GdkDevice   *device,
251                                            GdkWindow  **grab_window,
252                                            gboolean    *owner_events);
253 
254 GDK_AVAILABLE_IN_3_12
255 GdkWindow *gdk_device_get_last_event_window (GdkDevice *device);
256 
257 GDK_AVAILABLE_IN_3_16
258 const gchar *gdk_device_get_vendor_id       (GdkDevice *device);
259 GDK_AVAILABLE_IN_3_16
260 const gchar *gdk_device_get_product_id      (GdkDevice *device);
261 
262 GDK_AVAILABLE_IN_3_20
263 GdkSeat     *gdk_device_get_seat            (GdkDevice *device);
264 
265 GDK_AVAILABLE_IN_3_22
266 GdkAxisFlags gdk_device_get_axes            (GdkDevice *device);
267 
268 G_END_DECLS
269 
270 #endif /* __GDK_DEVICE_H__ */
271