1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
|
/* 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 <gdk/gdkwindow.h>
#include <windowsx.h>
#include <objbase.h>
#include "gdkwin32.h"
#include "gdkdevice-wintab.h"
static gboolean gdk_device_wintab_get_history (GdkDevice *device,
GdkWindow *window,
guint32 start,
guint32 stop,
GdkTimeCoord ***events,
gint *n_events);
static void gdk_device_wintab_get_state (GdkDevice *device,
GdkWindow *window,
gdouble *axes,
GdkModifierType *mask);
static void gdk_device_wintab_set_window_cursor (GdkDevice *device,
GdkWindow *window,
GdkCursor *cursor);
static void gdk_device_wintab_warp (GdkDevice *device,
GdkScreen *screen,
gint x,
gint y);
static void gdk_device_wintab_query_state (GdkDevice *device,
GdkWindow *window,
GdkWindow **root_window,
GdkWindow **child_window,
gint *root_x,
gint *root_y,
gint *win_x,
gint *win_y,
GdkModifierType *mask);
static GdkGrabStatus gdk_device_wintab_grab (GdkDevice *device,
GdkWindow *window,
gboolean owner_events,
GdkEventMask event_mask,
GdkWindow *confine_to,
GdkCursor *cursor,
guint32 time_);
static void gdk_device_wintab_ungrab (GdkDevice *device,
guint32 time_);
static GdkWindow * gdk_device_wintab_window_at_position (GdkDevice *device,
gint *win_x,
gint *win_y,
GdkModifierType *mask,
gboolean get_toplevel);
static void gdk_device_wintab_select_window_events (GdkDevice *device,
GdkWindow *window,
GdkEventMask event_mask);
G_DEFINE_TYPE (GdkDeviceWintab, gdk_device_wintab, GDK_TYPE_DEVICE)
static void
gdk_device_wintab_class_init (GdkDeviceWintabClass *klass)
{
GdkDeviceClass *device_class = GDK_DEVICE_CLASS (klass);
device_class->get_history = gdk_device_wintab_get_history;
device_class->get_state = gdk_device_wintab_get_state;
device_class->set_window_cursor = gdk_device_wintab_set_window_cursor;
device_class->warp = gdk_device_wintab_warp;
device_class->query_state = gdk_device_wintab_query_state;
device_class->grab = gdk_device_wintab_grab;
device_class->ungrab = gdk_device_wintab_ungrab;
device_class->window_at_position = gdk_device_wintab_window_at_position;
device_class->select_window_events = gdk_device_wintab_select_window_events;
}
static void
gdk_device_wintab_init (GdkDeviceWintab *device_wintab)
{
GdkDevice *device;
device = GDK_DEVICE (device_wintab);
}
static gboolean
gdk_device_wintab_get_history (GdkDevice *device,
GdkWindow *window,
guint32 start,
guint32 stop,
GdkTimeCoord ***events,
gint *n_events)
{
return FALSE;
}
static GdkModifierType
get_current_mask (void)
{
GdkModifierType mask;
BYTE kbd[256];
GetKeyboardState (kbd);
mask = 0;
if (kbd[VK_SHIFT] & 0x80)
mask |= GDK_SHIFT_MASK;
if (kbd[VK_CAPITAL] & 0x80)
mask |= GDK_LOCK_MASK;
if (kbd[VK_CONTROL] & 0x80)
mask |= GDK_CONTROL_MASK;
if (kbd[VK_MENU] & 0x80)
mask |= GDK_MOD1_MASK;
if (kbd[VK_LBUTTON] & 0x80)
mask |= GDK_BUTTON1_MASK;
if (kbd[VK_MBUTTON] & 0x80)
mask |= GDK_BUTTON2_MASK;
if (kbd[VK_RBUTTON] & 0x80)
mask |= GDK_BUTTON3_MASK;
return mask;
}
static void
gdk_device_wintab_get_state (GdkDevice *device,
GdkWindow *window,
gdouble *axes,
GdkModifierType *mask)
{
GdkDeviceWintab *device_wintab;
device_wintab = GDK_DEVICE_WINTAB (device);
/* For now just use the last known button and axis state of the device.
* Since graphical tablets send an insane amount of motion events each
* second, the info should be fairly up to date */
if (mask)
{
*mask = get_current_mask ();
*mask &= 0xFF; /* Mask away core pointer buttons */
*mask |= ((device_wintab->button_state << 8)
& (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK
| GDK_BUTTON3_MASK | GDK_BUTTON4_MASK
| GDK_BUTTON5_MASK));
}
if (axes && device_wintab->last_axis_data)
_gdk_device_wintab_translate_axes (device_wintab, window, axes, NULL, NULL);
}
static void
gdk_device_wintab_set_window_cursor (GdkDevice *device,
GdkWindow *window,
GdkCursor *cursor)
{
}
static void
gdk_device_wintab_warp (GdkDevice *device,
GdkScreen *screen,
gint x,
gint y)
{
}
static void
gdk_device_wintab_query_state (GdkDevice *device,
GdkWindow *window,
GdkWindow **root_window,
GdkWindow **child_window,
gint *root_x,
gint *root_y,
gint *win_x,
gint *win_y,
GdkModifierType *mask)
{
GdkDeviceWintab *device_wintab;
POINT point;
HWND hwnd, hwndc;
device_wintab = GDK_DEVICE_WINTAB (device);
hwnd = GDK_WINDOW_HWND (window);
GetCursorPos (&point);
if (root_x)
*root_x = point.x;
if (root_y)
*root_y = point.y;
ScreenToClient (hwnd, &point);
if (win_x)
*win_x = point.x;
if (win_y)
*win_y = point.y;
if (window == _gdk_root)
{
if (win_x)
*win_x += _gdk_offset_x;
if (win_y)
*win_y += _gdk_offset_y;
}
if (child_window)
{
hwndc = ChildWindowFromPoint (hwnd, point);
if (hwndc && hwndc != hwnd)
*child_window = gdk_win32_handle_table_lookup (hwndc);
else
*child_window = NULL; /* Direct child unknown to gdk */
}
if (root_window)
{
GdkScreen *screen;
screen = gdk_window_get_screen (window);
*root_window = gdk_screen_get_root_window (screen);
}
if (mask)
{
*mask = get_current_mask ();
*mask &= 0xFF; /* Mask away core pointer buttons */
*mask |= ((device_wintab->button_state << 8)
& (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK
| GDK_BUTTON3_MASK | GDK_BUTTON4_MASK
| GDK_BUTTON5_MASK));
}
}
static GdkGrabStatus
gdk_device_wintab_grab (GdkDevice *device,
GdkWindow *window,
gboolean owner_events,
GdkEventMask event_mask,
GdkWindow *confine_to,
GdkCursor *cursor,
guint32 time_)
{
return GDK_GRAB_SUCCESS;
}
static void
gdk_device_wintab_ungrab (GdkDevice *device,
guint32 time_)
{
}
static GdkWindow *
gdk_device_wintab_window_at_position (GdkDevice *device,
gint *win_x,
gint *win_y,
GdkModifierType *mask,
gboolean get_toplevel)
{
return NULL;
}
static void
gdk_device_wintab_select_window_events (GdkDevice *device,
GdkWindow *window,
GdkEventMask event_mask)
{
}
void
_gdk_device_wintab_translate_axes (GdkDeviceWintab *device_wintab,
GdkWindow *window,
gdouble *axes,
gdouble *x,
gdouble *y)
{
GdkDevice *device;
GdkWindow *impl_window;
gint root_x, root_y;
gdouble temp_x, temp_y;
gint i;
device = GDK_DEVICE (device_wintab);
impl_window = _gdk_window_get_impl_window (window);
temp_x = temp_y = 0;
gdk_window_get_origin (impl_window, &root_x, &root_y);
for (i = 0; i < gdk_device_get_n_axes (device); i++)
{
GdkAxisUse use;
use = gdk_device_get_axis_use (device, i);
switch (use)
{
case GDK_AXIS_X:
case GDK_AXIS_Y:
if (gdk_device_get_mode (device) == GDK_MODE_WINDOW)
_gdk_device_translate_window_coord (device, window, i,
device_wintab->last_axis_data[i],
&axes[i]);
else
_gdk_device_translate_screen_coord (device, window,
root_x, root_y, i,
device_wintab->last_axis_data[i],
&axes[i]);
if (use == GDK_AXIS_X)
temp_x = axes[i];
else if (use == GDK_AXIS_Y)
temp_y = axes[i];
break;
default:
_gdk_device_translate_axis (device, i,
device_wintab->last_axis_data[i],
&axes[i]);
break;
}
}
if (x)
*x = temp_x;
if (y)
*y = temp_y;
}
|
