summaryrefslogtreecommitdiff
path: root/hw/xnest/Keyboard.c
blob: ec629dcafece3f7ed744944997507096f0b2b66b (plain)
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
/*

Copyright 1993 by Davor Matic

Permission to use, copy, modify, distribute, and sell this software
and its documentation for any purpose is hereby granted without fee,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation.  Davor Matic makes no representations about
the suitability of this software for any purpose.  It is provided "as
is" without express or implied warranty.

*/

#ifdef HAVE_XNEST_CONFIG_H
#include <xnest-config.h>
#endif

#include <X11/X.h>
#include <X11/Xproto.h>
#include <X11/keysym.h>
#include "screenint.h"
#include "inputstr.h"
#include "misc.h"
#include "scrnintstr.h"
#include "servermd.h"

#include "Xnest.h"

#include "Display.h"
#include "Screen.h"
#include "Keyboard.h"
#include "Args.h"
#include "Events.h"

#include <X11/extensions/XKB.h>
#include "xkbsrv.h"
#include <X11/extensions/XKBconfig.h>

extern Bool
XkbQueryExtension(
	Display *		/* dpy */,
	int *			/* opcodeReturn */,
	int *			/* eventBaseReturn */,
	int *			/* errorBaseReturn */,
	int *			/* majorRtrn */,
	int *			/* minorRtrn */
);

extern	XkbDescPtr XkbGetKeyboard(
	Display *		/* dpy */,
	unsigned int		/* which */,
	unsigned int		/* deviceSpec */
);

extern	Status	XkbGetControls(
	Display *		/* dpy */,
	unsigned long		/* which */,
	XkbDescPtr		/* desc */
);

DeviceIntPtr xnestKeyboardDevice = NULL;

void
xnestBell(int volume, DeviceIntPtr pDev, pointer ctrl, int cls)
{
  XBell(xnestDisplay, volume);
}

void
DDXRingBell(int volume, int pitch, int duration)
{
  XBell(xnestDisplay, volume);
}

void
xnestChangeKeyboardControl(DeviceIntPtr pDev, KeybdCtrl *ctrl)
{
#if 0
  unsigned long value_mask;
  XKeyboardControl values;
  int i;

  value_mask = KBKeyClickPercent |
               KBBellPercent |
	       KBBellPitch |
	       KBBellDuration |
	       KBAutoRepeatMode;

  values.key_click_percent = ctrl->click;
  values.bell_percent = ctrl->bell;
  values.bell_pitch = ctrl->bell_pitch;
  values.bell_duration = ctrl->bell_duration;
  values.auto_repeat_mode = ctrl->autoRepeat ? 
                             AutoRepeatModeOn : AutoRepeatModeOff;

  XChangeKeyboardControl(xnestDisplay, value_mask, &values);

  /*
  value_mask = KBKey | KBAutoRepeatMode;
  At this point, we need to walk through the vector and compare it
  to the current server vector.  If there are differences, report them.
  */

  value_mask = KBLed | KBLedMode;
  for (i = 1; i <= 32; i++) {
    values.led = i;
    values.led_mode = (ctrl->leds & (1 << (i - 1))) ? LedModeOn : LedModeOff;
    XChangeKeyboardControl(xnestDisplay, value_mask, &values);
  }
#endif
}

int
xnestKeyboardProc(DeviceIntPtr pDev, int onoff)
{
  KeySym *keymap;
  int mapWidth;
  int min_keycode, max_keycode;
  KeySymsRec keySyms;
  int i;
  XKeyboardState values;
  XkbDescPtr xkb;
  int op, event, error, major, minor;

  switch (onoff)
    {
    case DEVICE_INIT: 
      XDisplayKeycodes(xnestDisplay, &min_keycode, &max_keycode);
#ifdef _XSERVER64
      {
	KeySym64 *keymap64;
	int i, len;
	keymap64 = XGetKeyboardMapping(xnestDisplay,
				     min_keycode,
				     max_keycode - min_keycode + 1,
				     &mapWidth);
	len = (max_keycode - min_keycode + 1) * mapWidth;
	keymap = (KeySym *)malloc(len * sizeof(KeySym));
	for(i = 0; i < len; ++i)
	  keymap[i] = keymap64[i];
	XFree(keymap64);
      }
#else
      keymap = XGetKeyboardMapping(xnestDisplay, 
				   min_keycode,
				   max_keycode - min_keycode + 1,
				   &mapWidth);
#endif
      
      keySyms.minKeyCode = min_keycode;
      keySyms.maxKeyCode = max_keycode;
      keySyms.mapWidth = mapWidth;
      keySyms.map = keymap;

      if (XkbQueryExtension(xnestDisplay, &op, &event, &error, &major, &minor) == 0) {
          ErrorF("Unable to initialize XKEYBOARD extension.\n");
	  goto XkbError;
      }
      xkb = XkbGetKeyboard(xnestDisplay, XkbGBN_AllComponentsMask, XkbUseCoreKbd);
      if (xkb == NULL || xkb->geom == NULL) {
	  ErrorF("Couldn't get keyboard.\n");
          goto XkbError;
      }
      XkbGetControls(xnestDisplay, XkbAllControlsMask, xkb);

      InitKeyboardDeviceStruct(pDev, NULL,
			       xnestBell, xnestChangeKeyboardControl);
      XkbDDXChangeControls(pDev, xkb->ctrls, xkb->ctrls);
      XkbFreeKeyboard(xkb, 0, False);
      free(keymap);
      break;
    case DEVICE_ON: 
      xnestEventMask |= XNEST_KEYBOARD_EVENT_MASK;
      for (i = 0; i < xnestNumScreens; i++)
	XSelectInput(xnestDisplay, xnestDefaultWindows[i], xnestEventMask);
      break;
    case DEVICE_OFF: 
      xnestEventMask &= ~XNEST_KEYBOARD_EVENT_MASK;
      for (i = 0; i < xnestNumScreens; i++)
	XSelectInput(xnestDisplay, xnestDefaultWindows[i], xnestEventMask);
      break;
    case DEVICE_CLOSE: 
      break;
    }
  return Success;

XkbError:
  XGetKeyboardControl(xnestDisplay, &values);
  memmove((char *)defaultKeyboardControl.autoRepeats,
          (char *)values.auto_repeats,
          sizeof(values.auto_repeats));

  InitKeyboardDeviceStruct(pDev, NULL,
                           xnestBell, xnestChangeKeyboardControl);
  free(keymap);
  return Success;
}

Bool
LegalModifier(unsigned int key, DeviceIntPtr pDev)
{
  return TRUE;
}

void
xnestUpdateModifierState(unsigned int state)
{
  DeviceIntPtr pDev = xnestKeyboardDevice;
  KeyClassPtr keyc = pDev->key;
  int i;
  CARD8 mask;
  int xkb_state;

  if (!pDev)
      return;

  xkb_state = XkbStateFieldFromRec(&pDev->key->xkbInfo->state);
  state = state & 0xff;

  if (xkb_state == state)
    return;

  for (i = 0, mask = 1; i < 8; i++, mask <<= 1) {
    int key;

    /* Modifier is down, but shouldn't be
     */
    if ((xkb_state & mask) && !(state & mask)) {
      int count = keyc->modifierKeyCount[i];

      for (key = 0; key < MAP_LENGTH; key++)
	if (keyc->xkbInfo->desc->map->modmap[key] & mask) {
	  if (key_is_down(pDev, key, KEY_PROCESSED))
	    xnestQueueKeyEvent(KeyRelease, key);

	  if (--count == 0)
	    break;
	}
    }

    /* Modifier shoud be down, but isn't
     */
    if (!(xkb_state & mask) && (state & mask))
      for (key = 0; key < MAP_LENGTH; key++)
	if (keyc->xkbInfo->desc->map->modmap[key] & mask) {
	  xnestQueueKeyEvent(KeyPress, key);
	  break;
	}
  }
}