/[rdesktop]/sourceforge.net/trunk/rdesktop/xkeymap.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 190 by matthewc, Tue Sep 24 07:33:17 2002 UTC revision 207 by matthewc, Thu Sep 26 14:26:46 2002 UTC
# Line 1  Line 1 
1  /*  /*
2     rdesktop: A Remote Desktop Protocol client.     rdesktop: A Remote Desktop Protocol client.
3     User interface services - X keyboard mapping     User interface services - X keyboard mapping
4     Copyright (C) Matthew Chapman 1999-2001     Copyright (C) Matthew Chapman 1999-2002
5        
6     This program is free software; you can redistribute it and/or modify     This program is free software; you can redistribute it and/or modify
7     it under the terms of the GNU General Public License as published by     it under the terms of the GNU General Public License as published by
# Line 36  extern char keymapname[16]; Line 36  extern char keymapname[16];
36  extern int keylayout;  extern int keylayout;
37  extern BOOL enable_compose;  extern BOOL enable_compose;
38    
39    static BOOL keymap_loaded;
40  static key_translation keymap[KEYMAP_SIZE];  static key_translation keymap[KEYMAP_SIZE];
41  static int min_keycode;  static int min_keycode;
42  static uint16 remote_modifier_state = 0;  static uint16 remote_modifier_state = 0;
43    
44  static void update_modifier_state(uint16 modifiers, BOOL pressed);  static void update_modifier_state(uint8 scancode, BOOL pressed);
45    
46  static void  static void
47  add_to_keymap(char *keyname, uint8 scancode, uint16 modifiers, char *mapname)  add_to_keymap(char *keyname, uint8 scancode, uint16 modifiers, char *mapname)
# Line 206  xkeymap_init(void) Line 207  xkeymap_init(void)
207          unsigned int max_keycode;          unsigned int max_keycode;
208    
209          if (strcmp(keymapname, "none"))          if (strcmp(keymapname, "none"))
210                  xkeymap_read(keymapname);          {
211                    if (xkeymap_read(keymapname))
212                            keymap_loaded = True;
213            }
214    
215          XDisplayKeycodes(display, &min_keycode, (int *) &max_keycode);          XDisplayKeycodes(display, &min_keycode, (int *) &max_keycode);
216  }  }
# Line 214  xkeymap_init(void) Line 218  xkeymap_init(void)
218  /* Handles, for example, multi-scancode keypresses (which is not  /* Handles, for example, multi-scancode keypresses (which is not
219     possible via keymap-files) */     possible via keymap-files) */
220  BOOL  BOOL
221  handle_special_keys(uint32 keysym, uint32 ev_time, BOOL pressed)  handle_special_keys(uint32 keysym, unsigned int state, uint32 ev_time, BOOL pressed)
222  {  {
223          switch (keysym)          switch (keysym)
224          {          {
225                  case XK_Break:  /* toggle full screen */                  case XK_Break:
226                          if (pressed && (get_key_state(XK_Alt_L) || get_key_state(XK_Alt_R)))                          if (get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R))
227                            {
228                                    /* toggle full screen */
229                                    if (pressed)
230                                            xwin_toggle_fullscreen();
231    
232                            }
233                            else
234                            {
235                                    /* Send Break sequence E0 46 E0 C6 */
236                                    if (pressed)
237                                    {
238                                            rdp_send_scancode(ev_time, RDP_KEYPRESS,
239                                                              (SCANCODE_EXTENDED | 0x46));
240                                            rdp_send_scancode(ev_time, RDP_KEYPRESS,
241                                                              (SCANCODE_EXTENDED | 0xc6));
242                                    }
243                                    /* No break sequence */
244                            }
245    
246                            return True;
247                            break;
248    
249                    case XK_Pause:
250                            /* According to MS Keyboard Scan Code
251                               Specification, pressing Pause should result
252                               in E1 1D 45 E1 9D C5. I'm not exactly sure
253                               of how this is supposed to be sent via
254                               RDP. The code below seems to work, but with
255                               the side effect that Left Ctrl stays
256                               down. Therefore, we release it when Pause
257                               is released. */
258                            if (pressed)
259                          {                          {
260                                  xwin_toggle_fullscreen();                                  rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xe1, 0);
261                                  return True;                                  rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x1d, 0);
262                                    rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x45, 0);
263                                    rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xe1, 0);
264                                    rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x9d, 0);
265                                    rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xc5, 0);
266                          }                          }
267                            else
268                            {
269                                    /* Release Left Ctrl */
270                                    rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYRELEASE, 0x1d,
271                                                   0);
272                            }
273    
274                            return True;
275                          break;                          break;
276    
277                  case XK_Meta_L: /* Windows keys */                  case XK_Meta_L: /* Windows keys */
# Line 276  xkeymap_translate_key(uint32 keysym, uns Line 324  xkeymap_translate_key(uint32 keysym, uns
324          if (tr.scancode != 0)          if (tr.scancode != 0)
325          {          {
326                  DEBUG_KBD(("Found key translation, scancode=0x%x, modifiers=0x%x\n",                  DEBUG_KBD(("Found key translation, scancode=0x%x, modifiers=0x%x\n",
327                            tr.scancode, tr.modifiers));                             tr.scancode, tr.modifiers));
328                  return tr;                  return tr;
329          }          }
330    
331          DEBUG_KBD(("No translation for (keysym 0x%lx, %s)\n", keysym, get_ksname(keysym)));          if (keymap_loaded)
332                    error("No translation for (keysym 0x%lx, %s)\n", keysym, get_ksname(keysym));
333    
334          /* not in keymap, try to interpret the raw scancode */          /* not in keymap, try to interpret the raw scancode */
335          if ((keycode >= min_keycode) && (keycode <= 0x60))          if ((keycode >= min_keycode) && (keycode <= 0x60))
# Line 427  ensure_remote_modifiers(uint32 ev_time, Line 476  ensure_remote_modifiers(uint32 ev_time,
476    
477    
478  void  void
479  reset_modifier_keys()  reset_modifier_keys(unsigned int state)
480  {  {
481          /* reset keys */          /* reset keys */
482          uint32 ev_time;          uint32 ev_time;
483          ev_time = time(NULL);          ev_time = time(NULL);
484    
485          if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask) && !get_key_state(XK_Shift_L))          if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask) && !get_key_state(state, XK_Shift_L))
486                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT);                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT);
487    
488          if (MASK_HAS_BITS(remote_modifier_state, MapRightShiftMask) && !get_key_state(XK_Shift_R))          if (MASK_HAS_BITS(remote_modifier_state, MapRightShiftMask) && !get_key_state(state, XK_Shift_R))
489                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT);                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT);
490    
491          if (MASK_HAS_BITS(remote_modifier_state, MapLeftCtrlMask) && !get_key_state(XK_Control_L))          if (MASK_HAS_BITS(remote_modifier_state, MapLeftCtrlMask) && !get_key_state(state, XK_Control_L))
492                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL);                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL);
493    
494          if (MASK_HAS_BITS(remote_modifier_state, MapRightCtrlMask) && !get_key_state(XK_Control_R))          if (MASK_HAS_BITS(remote_modifier_state, MapRightCtrlMask) && !get_key_state(state, XK_Control_R))
495                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL);                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL);
496    
497          if (MASK_HAS_BITS(remote_modifier_state, MapLeftAltMask) && !get_key_state(XK_Alt_L))          if (MASK_HAS_BITS(remote_modifier_state, MapLeftAltMask) && !get_key_state(state, XK_Alt_L))
498                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT);                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT);
499    
500          if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) &&          if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) &&
501              !get_key_state(XK_Alt_R) && !get_key_state(XK_Mode_switch))              !get_key_state(state, XK_Alt_R) && !get_key_state(state, XK_Mode_switch))
502                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT);                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT);
503  }  }
504    
505    
506  static void  static void
507  update_modifier_state(uint16 modifiers, BOOL pressed)  update_modifier_state(uint8 scancode, BOOL pressed)
508  {  {
509  #ifdef WITH_DEBUG_KBD  #ifdef WITH_DEBUG_KBD
510          uint16 old_modifier_state;          uint16 old_modifier_state;
# Line 463  update_modifier_state(uint16 modifiers, Line 512  update_modifier_state(uint16 modifiers,
512          old_modifier_state = remote_modifier_state;          old_modifier_state = remote_modifier_state;
513  #endif  #endif
514    
515          switch (modifiers)          switch (scancode)
516          {          {
517                  case SCANCODE_CHAR_LSHIFT:                  case SCANCODE_CHAR_LSHIFT:
518                          MASK_CHANGE_BIT(remote_modifier_state, MapLeftShiftMask, pressed);                          MASK_CHANGE_BIT(remote_modifier_state, MapLeftShiftMask, pressed);
# Line 517  update_modifier_state(uint16 modifiers, Line 566  update_modifier_state(uint16 modifiers,
566    
567  /* Send keyboard input */  /* Send keyboard input */
568  void  void
569  rdp_send_scancode(uint32 time, uint16 flags, uint16 scancode)  rdp_send_scancode(uint32 time, uint16 flags, uint8 scancode)
570  {  {
571          update_modifier_state(scancode, !(flags & RDP_KEYRELEASE));          update_modifier_state(scancode, !(flags & RDP_KEYRELEASE));
572    
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