summaryrefslogtreecommitdiff
path: root/src/glut/fbdev/input.c
blob: 2528a74a1058268ab1da72e115ff11595c15cb5d (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
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
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
/*
 * Mesa 3-D graphics library
 * Version:  6.5
 * Copyright (C) 1995-2006  Brian Paul
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/*
 * Library for glut using mesa fbdev driver
 *
 * Written by Sean D'Epagnier (c) 2006
 */

#include <errno.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <termios.h>
#include <inttypes.h>

#include <sys/ioctl.h>
#include <sys/poll.h>
#include <sys/kd.h>

#include <linux/keyboard.h>
#include <linux/fb.h>
#include <linux/vt.h>

#include <GL/glut.h>

#include "internal.h"

#define MOUSEDEV "/dev/gpmdata"

#ifdef HAVE_GPM
#include <gpm.h>
int GpmMouse;
#endif

int CurrentVT;
int ConsoleFD = -1;

int KeyboardModifiers;

int MouseX, MouseY;
int NumMouseButtons;

double MouseSpeed = 0;

int KeyRepeatMode = GLUT_KEY_REPEAT_DEFAULT;

/* only display the mouse if there is a registered callback for it */
int MouseEnabled = 0;

static int OldKDMode = -1;
static int OldMode = KD_TEXT;
static struct vt_mode OldVTMode;
static struct termios OldTermios;

static int KeyboardLedState;

static int MouseFD;

static int kbdpipe[2];

#define MODIFIER(mod) \
    KeyboardModifiers = release ? KeyboardModifiers & ~mod   \
                                : KeyboardModifiers | mod;

/* signal handler attached to SIGIO on keyboard input, vt
   switching and modifiers is handled in the signal handler
   other keypresses read from a pipe that leaves the handler
   if a program locks up the glut loop, you can still switch
   vts and kill it without Alt-SysRq hack */
static void KeyboardHandler(int sig)
{
   unsigned char code;

   while(read(ConsoleFD, &code, 1) == 1) {

      int release, labelval;
      struct kbentry entry;
      static int lalt; /* only left alt does vt switch */

      release = code & 0x80;
      
      entry.kb_index = code & 0x7F;
      entry.kb_table = 0;
      
      if (ioctl(ConsoleFD, KDGKBENT, &entry) < 0) {
	 sprintf(exiterror, "ioctl(KDGKBENT) failed.\n");
	 exit(0);
      }

      labelval = entry.kb_value;
      
      switch(labelval) {
      case K_SHIFT:
      case K_SHIFTL:
	 MODIFIER(GLUT_ACTIVE_SHIFT);
	 continue;
      case K_CTRL:
	 MODIFIER(GLUT_ACTIVE_CTRL);
	 continue;
      case K_ALT:
	 lalt = !release;
      case K_ALTGR:
	 MODIFIER(GLUT_ACTIVE_ALT);
	 continue;
      }

      if(lalt && !release) {
	 /* VT switch, we must do it */
	 int vt = -1;
	 struct vt_stat st;
	 if(labelval >= K_F1 && labelval <= K_F12)
	    vt = labelval - K_F1 + 1;
	 
	 if(labelval == K_LEFT)
	    if(ioctl(ConsoleFD, VT_GETSTATE, &st) >= 0)
	       vt = st.v_active - 1;
      
	 if(labelval == K_RIGHT)
	    if(ioctl(ConsoleFD, VT_GETSTATE, &st) >= 0)
	       vt = st.v_active + 1;
	 
	 if(vt != -1) {
	    if(Swapping)
	       VTSwitch = vt;
	    else
	       if(ioctl(ConsoleFD, VT_ACTIVATE, vt) < 0)
		  sprintf(exiterror, "Error switching console\n");
	    continue;
	 }
      }
      write(kbdpipe[1], &code, 1);
   }
}

static void LedModifier(int led, int release)
{
   static int releaseflag = K_CAPS | K_NUM | K_HOLD;
   if(release)
      releaseflag |= led;
   else
      if(releaseflag & led) {
	 KeyboardLedState ^= led;
	 releaseflag &= ~led;
      }
   ioctl(ConsoleFD, KDSKBLED, KeyboardLedState);
   ioctl(ConsoleFD, KDSETLED, 0x80);
}

#define READKEY read(kbdpipe[0], &code, 1)
static int ReadKey(void)
{
   int release, labelval, labelvalnoshift;
   unsigned char code;
   int specialkey = 0;
   struct kbentry entry; 

   if(READKEY != 1)
      return 0;
   if(code == 0)
      return 0;

   /* stdin input escape code based */
   if(ConsoleFD == 0) {
      KeyboardModifiers = 0;
   altset:
      if(code == 27 && READKEY == 1) {
	 switch(code) {
	 case 79: /* function key */
	    READKEY;
	    if(code == 50) {
	       READKEY;
	    shiftfunc:
	       KeyboardModifiers |= GLUT_ACTIVE_SHIFT;
	       specialkey = GLUT_KEY_F1 + code - 53;
	       READKEY;
	    } else {
	       READKEY;
	       specialkey = GLUT_KEY_F1 + code - 80;		    
	    }
	    break;
	 case 91:
	    READKEY;
	    switch(code) {
	    case 68:
	       specialkey = GLUT_KEY_LEFT; break;
	    case 65:
	       specialkey = GLUT_KEY_UP; break;
	    case 67:
	       specialkey = GLUT_KEY_RIGHT; break;
	    case 66:
	       specialkey = GLUT_KEY_DOWN; break;
	    case 53:
	       specialkey = GLUT_KEY_PAGE_UP; READKEY; break;
	    case 54:
	       specialkey = GLUT_KEY_PAGE_DOWN; READKEY; break;
	    case 49:
	       specialkey = GLUT_KEY_HOME; READKEY; break;
	    case 52:
	       specialkey = GLUT_KEY_END; READKEY; break;
	    case 50:
	       READKEY;
	       if(code != 126)
		  goto shiftfunc;
	       specialkey = GLUT_KEY_INSERT;
	       break; 
	    case 51:
	       code = '\b';
	       goto stdkey;
	    case 91:
	       READKEY;
	       specialkey = GLUT_KEY_F1 + code - 65;
	       break;
	    default:
	       return 0;
	    }
	    break;
	 default:
	    KeyboardModifiers |= GLUT_ACTIVE_ALT;
	    goto altset;
	 }
      }

      if(specialkey) {
	 if(SpecialFunc)
	    SpecialFunc(specialkey, MouseX, MouseY);
      } else {
	 if(code >= 1 && code <= 26 && code != '\r') {
	    KeyboardModifiers |= GLUT_ACTIVE_CTRL;
	    code += 'a' - 1;
	 }
	 if((code >= 43 && code <= 34) || (code == 60)
	    || (code >= 62 && code <= 90) || (code == 94)
	    || (code == 95)  || (code >= 123 && code <= 126))
	    KeyboardModifiers |= GLUT_ACTIVE_SHIFT;

      stdkey:
	 if(KeyboardFunc)
	    KeyboardFunc(code, MouseX, MouseY);
      }
      return 1;
   }

   /* linux kbd reading */
   release = code & 0x80;
   code &= 0x7F;

   if(KeyRepeatMode == GLUT_KEY_REPEAT_OFF) {
      static char keystates[128];
      if(release)
	 keystates[code] = 0;
      else {
	 if(keystates[code])
	    return 1;
	 keystates[code] = 1;
      }
   }
	    
   entry.kb_index = code;
   entry.kb_table = 0;

   if (ioctl(ConsoleFD, KDGKBENT, &entry) < 0) {
      sprintf(exiterror, "ioctl(KDGKBENT) failed.\n");
      exit(0);
   }

   labelvalnoshift = entry.kb_value;

   if(KeyboardModifiers & GLUT_ACTIVE_SHIFT)
      entry.kb_table |= K_SHIFTTAB;
	
   if (ioctl(ConsoleFD, KDGKBENT, &entry) < 0) {
      sprintf(exiterror, "ioctl(KDGKBENT) failed.\n");
      exit(0);
   }

   labelval = entry.kb_value;

   switch(labelvalnoshift) {
   case K_CAPS:
      LedModifier(LED_CAP, release);
      return 0;
   case K_NUM:
      LedModifier(LED_NUM, release);
      return 0;
   case K_HOLD: /* scroll lock suspends glut */
      LedModifier(LED_SCR, release);
      while(KeyboardLedState & LED_SCR) {
	 usleep(10000);
	 ReadKey();
      }
      return 0;
   }

   /* we could queue keypresses here */
   if(KeyboardLedState & LED_SCR)
      return 0;

   if(labelvalnoshift >= K_F1 && labelvalnoshift <= K_F12)
      specialkey = GLUT_KEY_F1 + labelvalnoshift - K_F1;
   else
      switch(labelvalnoshift) {
      case K_LEFT:
	 specialkey = GLUT_KEY_LEFT; break;
      case K_UP:
	 specialkey = GLUT_KEY_UP; break;
      case K_RIGHT:
	 specialkey = GLUT_KEY_RIGHT; break;
      case K_DOWN:
	 specialkey = GLUT_KEY_DOWN; break;
      case K_PGUP:
	 specialkey = GLUT_KEY_PAGE_UP; break;
      case K_PGDN:
	 specialkey = GLUT_KEY_PAGE_DOWN; break;
      case K_FIND:
	 specialkey = GLUT_KEY_HOME; break;
      case K_SELECT:
	 specialkey = GLUT_KEY_END; break;
      case K_INSERT:
	 specialkey = GLUT_KEY_INSERT; break; 
      case K_REMOVE:
	 labelval = '\b';
	 break;
      case K_ENTER:
      case K_ENTER - 1: /* keypad enter */
	 labelval = '\r'; break;
      }

   /* dispatch callback */
   if(specialkey) {
      if(release) {
	 if(SpecialUpFunc)
	    SpecialUpFunc(specialkey, MouseX, MouseY);
      } else
	 if(SpecialFunc)
	    SpecialFunc(specialkey, MouseX, MouseY);
   } else {
      char c = labelval;

      if(KeyboardLedState & LED_CAP) {
	 if(c >= 'A' && c <= 'Z')
	    c += 'a' - 'A';
	 else
	    if(c >= 'a' && c <= 'z')
	       c += 'A' - 'a';
      }
      if(release) {
	 if(KeyboardUpFunc)
	    KeyboardUpFunc(c, MouseX, MouseY);
      } else
	 if(KeyboardFunc)
	    KeyboardFunc(c, MouseX, MouseY);
   }
   return 1;
}

void glutIgnoreKeyRepeat(int ignore)
{
   KeyRepeatMode = ignore ? GLUT_KEY_REPEAT_OFF : GLUT_KEY_REPEAT_ON;
}

void glutSetKeyRepeat(int repeatMode)
{
   KeyRepeatMode = repeatMode;
}

void glutForceJoystickFunc(void)
{
}

static void HandleMousePress(int button, int pressed)
{
   if(TryMenu(button, pressed))
      return;
 
   if(MouseFunc)
      MouseFunc(button, pressed ? GLUT_DOWN : GLUT_UP, MouseX, MouseY);
}

static int ReadMouse(void)
{
   int l, r, m;
   static int ll, lm, lr;
   signed char dx, dy;

#ifdef HAVE_GPM
   if(GpmMouse) {
      Gpm_Event event;
      struct pollfd pfd;
      pfd.fd = gpm_fd;
      pfd.events = POLLIN;
      if(poll(&pfd, 1, 1) != 1)
	 return 0;
	
      if(Gpm_GetEvent(&event) != 1)
	 return 0;
	
      l = event.buttons & GPM_B_LEFT;
      m = event.buttons & GPM_B_MIDDLE;
      r = event.buttons & GPM_B_RIGHT;

      /* gpm is weird in that it gives a button number when the button
	 is released, with type set to GPM_UP, this is only a problem
	 if it is the last button released */
    
      if(event.type & GPM_UP)
	 if(event.buttons == GPM_B_LEFT || event.buttons == GPM_B_MIDDLE ||
	    event.buttons == GPM_B_RIGHT || event.buttons == GPM_B_FOURTH)
	    l = m = r = 0;

      dx = event.dx;
      dy = event.dy;
   } else
#endif
      {
	 char data[4];

	 if(MouseFD == -1)
	    return 0;

	 if(fcntl(MouseFD, F_SETFL, O_NONBLOCK) == -1) {
	    close(MouseFD);
	    MouseFD = -1;
	    return 0;
	 }

	 if(read(MouseFD, data, 4) != 4)
	    return 0;
	
	 l = ((data[0] & 0x20) >> 3);
	 m = ((data[3] & 0x10) >> 3);
	 r = ((data[0] & 0x10) >> 4);

	 dx = (((data[0] & 0x03) << 6) | (data[1] & 0x3F));
	 dy = (((data[0] & 0x0C) << 4) | (data[2] & 0x3F));
      }

   MouseX += dx * MouseSpeed;
   if(MouseX < 0)
      MouseX = 0;
   else
      if(MouseX >= VarInfo.xres)
	 MouseX = VarInfo.xres - 1;

   MouseY += dy * MouseSpeed;
   if(MouseY < 0)
      MouseY = 0;
   else
      if(MouseY >= VarInfo.yres)
	 MouseY = VarInfo.yres - 1;

   if(l != ll)
      HandleMousePress(GLUT_LEFT_BUTTON, l);
   if(m != lm)
      HandleMousePress(GLUT_MIDDLE_BUTTON, m);
   if(r != lr)
      HandleMousePress(GLUT_RIGHT_BUTTON, r);

   ll = l, lm = m, lr = r;

   if(dx || dy) {
      if(l || m || r) {
	 if(MotionFunc)
	    MotionFunc(MouseX, MouseY);
      } else
	 if(PassiveMotionFunc)
	    PassiveMotionFunc(MouseX, MouseY);

      EraseCursor();

      if(ActiveMenu)
	 Redisplay = 1;
      else
	 SwapCursor();
   }

   return 1;
}

void ReceiveInput(void)
{
   if(ConsoleFD != -1)
      while(ReadKey());
    
   if(MouseEnabled)
      while(ReadMouse());
}

static void VTSwitchHandler(int sig)
{
   struct vt_stat st;
   switch(sig) {
   case SIGUSR1:
      ioctl(ConsoleFD, VT_RELDISP, 1);
      Active = 0;
#ifdef MULTIHEAD
      VisiblePoll = 1;
      TestVisible();
#else
      VisibleSwitch = 1;
      Visible = 0;
#endif
      break;
   case SIGUSR2:
      ioctl(ConsoleFD, VT_GETSTATE, &st);
      if(st.v_active)
	 ioctl(ConsoleFD, VT_RELDISP, VT_ACKACQ);

      /* this is a hack to turn the cursor off */
      ioctl(FrameBufferFD, FBIOPUT_VSCREENINFO, &VarInfo);

      RestoreColorMap();

      Active = 1;
      Visible = 1;
      VisibleSwitch = 1;

      Redisplay = 1;

      break;
   }
}

void InitializeVT(int usestdin)
{
   struct termios tio;
   struct vt_mode vt;
   char console[128];

   signal(SIGIO, SIG_IGN);

   /* save old terminos settings */
   if (tcgetattr(0, &OldTermios) < 0) {
      sprintf(exiterror, "tcgetattr failed\n");
      exit(0);
   }

   tio = OldTermios;

   /* terminos settings for straight-through mode */  
   tio.c_lflag &= ~(ICANON | ECHO  | ISIG);
   tio.c_iflag &= ~(ISTRIP | IGNCR | ICRNL | INLCR | IXOFF | IXON);
   tio.c_iflag |= IGNBRK;

   tio.c_cc[VMIN]  = 0;
   tio.c_cc[VTIME] = 0;

   if (tcsetattr(0, TCSANOW, &tio) < 0) {
      sprintf(exiterror, "tcsetattr failed\n");
      exit(0);
   }

   if(fcntl(0, F_SETFL, O_NONBLOCK | O_ASYNC) < 0) {
      sprintf(exiterror, "Failed to set keyboard to non-blocking\n");
      exit(0);
   }

   Active = 1;

   if(usestdin) {
      ConsoleFD = 0;
      return;
   }

   /* detect the current vt if it was not specified */
   if(CurrentVT == 0) {
      int fd = open("/dev/tty", O_RDWR | O_NDELAY, 0);
      struct vt_stat st;
      if(fd == -1) {
	 sprintf(exiterror, "Failed to open /dev/tty\n");
	 exit(0);
      }
      if(ioctl(fd, VT_GETSTATE, &st) == -1) {
	 fprintf(stderr, "Could not detect current vt, specify with -vt\n");
	 fprintf(stderr, "Defaulting to stdin input\n");
	 ConsoleFD = 0;
	 close(fd);
	 return;
      } else
	 CurrentVT =  st.v_active;

      close(fd);
   }
    
   /* if we close with the modifier set in glutIconifyWindow, we won't
      get the signal when they are released, so set to zero here */
   KeyboardModifiers = 0;

   /* open the console tty */
   sprintf(console, "/dev/tty%d", CurrentVT);
   ConsoleFD = open(console, O_RDWR | O_NDELAY, 0);
   if (ConsoleFD < 0) {
      sprintf(exiterror, "error couldn't open %s,"
	      " defaulting to stdin \n", console);
      ConsoleFD = 0;
      return;
   }

   signal(SIGUSR1, VTSwitchHandler);
   signal(SIGUSR2, VTSwitchHandler);

   if (ioctl(ConsoleFD, VT_GETMODE, &OldVTMode) < 0) {
      sprintf(exiterror,"Failed to grab %s, defaulting to stdin\n", console);
      close(ConsoleFD);
      ConsoleFD = 0;
      return;
   }

   vt = OldVTMode;

   vt.mode = VT_PROCESS;
   vt.waitv = 0;
   vt.relsig = SIGUSR1;
   vt.acqsig = SIGUSR2;
   if (ioctl(ConsoleFD, VT_SETMODE, &vt) < 0) {
      sprintf(exiterror, "error: ioctl(VT_SETMODE) failed: %s\n",
	      strerror(errno));
      close(ConsoleFD);
      ConsoleFD = 0;
      exit(1);
   }

   if (ioctl(ConsoleFD, KDGKBMODE, &OldKDMode) < 0) {
      sprintf(exiterror, "Warning: ioctl KDGKBMODE failed!\n");
      OldKDMode = K_XLATE;
   }

   /* use SIGIO so VT switching can work if the program is locked */
   signal(SIGIO, KeyboardHandler);

   pipe(kbdpipe);

   if(fcntl(kbdpipe[0], F_SETFL, O_NONBLOCK | O_ASYNC) < 0) {
      sprintf(exiterror, "Failed to set keyboard to non-blocking\n");
      exit(0);
   }

   fcntl(0, F_SETOWN, getpid());

   if(ioctl(ConsoleFD, KDGETMODE, &OldMode) < 0)
      sprintf(exiterror, "Warning: Failed to get terminal mode\n");

#ifdef HAVE_GPM
   if(!GpmMouse)
#endif
      if(ioctl(ConsoleFD, KDSETMODE, KD_GRAPHICS) < 0)
	 sprintf(exiterror,"Warning: Failed to set terminal to graphics\n");

   if(ioctl(ConsoleFD, KDSKBMODE, K_MEDIUMRAW) < 0) {
      sprintf(exiterror, "ioctl KDSKBMODE failed!\n");
      tcsetattr(0, TCSANOW, &OldTermios);
      exit(0);
   }

   if(ioctl(ConsoleFD, KDGKBLED, &KeyboardLedState) < 0) {
      sprintf(exiterror, "ioctl KDGKBLED failed!\n");
      exit(0);
   }
}

void RestoreVT(void)
{
   if(ConsoleFD < 0)
      return;

   if (tcsetattr(0, TCSANOW, &OldTermios) < 0)
      fprintf(stderr, "tcsetattr failed\n");

   /* setting the mode to text from graphics restores the colormap*/
   if(
#ifdef HAVE_GPM
   GpmMouse ||
#endif
   ConsoleFD == 0)
      if(ioctl(ConsoleFD, KDSETMODE, KD_GRAPHICS) < 0)
	 goto skipioctl; /* no need to fail twice */
   
   if(ioctl(ConsoleFD, KDSETMODE, OldMode) < 0)
      fprintf(stderr, "ioctl KDSETMODE failed!\n");

 skipioctl:

   if(ConsoleFD == 0)
       return;

   /* restore keyboard state */
   if (ioctl(ConsoleFD, VT_SETMODE, &OldVTMode) < 0)
      fprintf(stderr, "Failed to set vtmode\n");

   if (ioctl(ConsoleFD, KDSKBMODE, OldKDMode) < 0)
      fprintf(stderr, "ioctl KDSKBMODE failed!\n");
  
   close(ConsoleFD);

   close(kbdpipe[0]);
   close(kbdpipe[1]);
}

void InitializeMouse(void)
{
#ifdef HAVE_GPM
   if(!GpmMouse)
#endif
   {
      const char *mousedev = getenv("MOUSE");
      if(!mousedev)
	 mousedev = MOUSEDEV;
      if((MouseFD = open(mousedev, O_RDONLY)) >= 0) {
	 if(!MouseSpeed)
	    MouseSpeed = 1;
	 NumMouseButtons = 3;
	 return;
      }
   }
#ifdef HAVE_GPM
   {
      Gpm_Connect conn;  
      int c;
      conn.eventMask  = ~0;   /* Want to know about all the events */
      conn.defaultMask = 0;   /* don't handle anything by default  */
      conn.minMod     = 0;    /* want everything                   */
      conn.maxMod     = ~0;   /* all modifiers included            */
      if(Gpm_Open(&conn, 0) != -1) {
	 if(!MouseSpeed)
	    MouseSpeed = 8;
	 NumMouseButtons = 3;
	 return;
      }
      fprintf(stderr, "Cannot open gpmctl.\n");
   }
#endif
   fprintf(stderr,"Cannot open %s.\n"
	   "Continuing without Mouse\n", MOUSEDEV);
}

void CloseMouse(void)
{
#ifdef HAVE_GPM
   if(GpmMouse) {
      if(NumMouseButtons)
	 Gpm_Close();
   } else
#endif
      if(MouseFD >= 0)
	 close(MouseFD);
}