/[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 193 by matthewc, Tue Sep 24 11:14:46 2002 UTC revision 216 by matthewc, Tue Oct 8 02:30:20 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 68  static BOOL Line 69  static BOOL
69  xkeymap_read(char *mapname)  xkeymap_read(char *mapname)
70  {  {
71          FILE *fp;          FILE *fp;
72          char line[KEYMAP_MAX_LINE_LENGTH], path[PATH_MAX];          char line[KEYMAP_MAX_LINE_LENGTH];
73            char path[PATH_MAX], inplace_path[PATH_MAX];
74          unsigned int line_num = 0;          unsigned int line_num = 0;
75          unsigned int line_length = 0;          unsigned int line_length = 0;
76          char *keyname, *p;          char *keyname, *p;
# Line 83  xkeymap_read(char *mapname) Line 85  xkeymap_read(char *mapname)
85          fp = fopen(path, "r");          fp = fopen(path, "r");
86          if (fp == NULL)          if (fp == NULL)
87          {          {
88                  error("Failed to open keymap %s\n", path);                  /* in case we are running from the source tree */
89                  return False;                  strcpy(inplace_path, "keymaps/");
90                    strncat(inplace_path, mapname, sizeof(inplace_path) - sizeof("keymaps/"));
91    
92                    fp = fopen(inplace_path, "r");
93                    if (fp == NULL)
94                    {
95                            error("Failed to open keymap %s\n", path);
96                            return False;
97                    }
98          }          }
99    
100          /* FIXME: More tolerant on white space */          /* FIXME: More tolerant on white space */
# Line 206  xkeymap_init(void) Line 216  xkeymap_init(void)
216          unsigned int max_keycode;          unsigned int max_keycode;
217    
218          if (strcmp(keymapname, "none"))          if (strcmp(keymapname, "none"))
219                  xkeymap_read(keymapname);          {
220                    if (xkeymap_read(keymapname))
221                            keymap_loaded = True;
222            }
223    
224          XDisplayKeycodes(display, &min_keycode, (int *) &max_keycode);          XDisplayKeycodes(display, &min_keycode, (int *) &max_keycode);
225  }  }
# Line 214  xkeymap_init(void) Line 227  xkeymap_init(void)
227  /* Handles, for example, multi-scancode keypresses (which is not  /* Handles, for example, multi-scancode keypresses (which is not
228     possible via keymap-files) */     possible via keymap-files) */
229  BOOL  BOOL
230  handle_special_keys(uint32 keysym, uint32 ev_time, BOOL pressed)  handle_special_keys(uint32 keysym, unsigned int state, uint32 ev_time, BOOL pressed)
231  {  {
232          switch (keysym)          switch (keysym)
233          {          {
234                  case XK_Break:  /* toggle full screen */                  case XK_Break:
235                          if (get_key_state(XK_Alt_L) || get_key_state(XK_Alt_R))                  case XK_Pause:
236                            if ((get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R))
237                                    && (get_key_state(state, XK_Control_L) || get_key_state(state, XK_Control_R)))
238                          {                          {
239                                    /* Ctrl-Alt-Break: toggle full screen */
240                                  if (pressed)                                  if (pressed)
241                                          xwin_toggle_fullscreen();                                          xwin_toggle_fullscreen();
242                                  return True;  
243                          }                          }
244                          break;                          else if (keysym == XK_Break)
245                            {
246                                    /* Send Break sequence E0 46 E0 C6 */
247                                    if (pressed)
248                                    {
249                                            rdp_send_scancode(ev_time, RDP_KEYPRESS,
250                                                              (SCANCODE_EXTENDED | 0x46));
251                                            rdp_send_scancode(ev_time, RDP_KEYPRESS,
252                                                              (SCANCODE_EXTENDED | 0xc6));
253                                    }
254                                    /* No break sequence */
255                            }
256                            else /* XK_Pause */
257                            {
258                                    /* According to MS Keyboard Scan Code
259                                       Specification, pressing Pause should result
260                                       in E1 1D 45 E1 9D C5. I'm not exactly sure
261                                       of how this is supposed to be sent via
262                                       RDP. The code below seems to work, but with
263                                       the side effect that Left Ctrl stays
264                                       down. Therefore, we release it when Pause
265                                       is released. */
266                                    if (pressed)
267                                    {
268                                            rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xe1, 0);
269                                            rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x1d, 0);
270                                            rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x45, 0);
271                                            rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xe1, 0);
272                                            rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x9d, 0);
273                                            rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xc5, 0);
274                                    }
275                                    else
276                                    {
277                                            /* Release Left Ctrl */
278                                            rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYRELEASE, 0x1d,
279                                                           0);
280                                    }
281                            }
282                            return True;
283    
284                  case XK_Meta_L: /* Windows keys */                  case XK_Meta_L: /* Windows keys */
285                  case XK_Super_L:                  case XK_Super_L:
# Line 244  handle_special_keys(uint32 keysym, uint3 Line 298  handle_special_keys(uint32 keysym, uint3
298                                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL);                                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL);
299                          }                          }
300                          return True;                          return True;
                         break;  
301          }          }
302          return False;          return False;
303  }  }
# Line 277  xkeymap_translate_key(uint32 keysym, uns Line 330  xkeymap_translate_key(uint32 keysym, uns
330          if (tr.scancode != 0)          if (tr.scancode != 0)
331          {          {
332                  DEBUG_KBD(("Found key translation, scancode=0x%x, modifiers=0x%x\n",                  DEBUG_KBD(("Found key translation, scancode=0x%x, modifiers=0x%x\n",
333                            tr.scancode, tr.modifiers));                             tr.scancode, tr.modifiers));
334                  return tr;                  return tr;
335          }          }
336    
337          DEBUG_KBD(("No translation for (keysym 0x%lx, %s)\n", keysym, get_ksname(keysym)));          if (keymap_loaded)
338                    error("No translation for (keysym 0x%lx, %s)\n", keysym, get_ksname(keysym));
339    
340          /* not in keymap, try to interpret the raw scancode */          /* not in keymap, try to interpret the raw scancode */
341          if ((keycode >= min_keycode) && (keycode <= 0x60))          if ((keycode >= min_keycode) && (keycode <= 0x60))
# Line 428  ensure_remote_modifiers(uint32 ev_time, Line 482  ensure_remote_modifiers(uint32 ev_time,
482    
483    
484  void  void
485  reset_modifier_keys(void)  reset_modifier_keys(unsigned int state)
486  {  {
487          /* reset keys */          /* reset keys */
488          uint32 ev_time;          uint32 ev_time;
489          ev_time = time(NULL);          ev_time = time(NULL);
490    
491          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))
492                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT);                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT);
493    
494          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))
495                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT);                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT);
496    
497          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))
498                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL);                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL);
499    
500          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))
501                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL);                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL);
502    
503          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))
504                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT);                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT);
505    
506          if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) &&          if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) &&
507              !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))
508                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT);                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT);
509  }  }
510    
511    
512  static void  static void
513  update_modifier_state(uint16 modifiers, BOOL pressed)  update_modifier_state(uint8 scancode, BOOL pressed)
514  {  {
515  #ifdef WITH_DEBUG_KBD  #ifdef WITH_DEBUG_KBD
516          uint16 old_modifier_state;          uint16 old_modifier_state;
# Line 464  update_modifier_state(uint16 modifiers, Line 518  update_modifier_state(uint16 modifiers,
518          old_modifier_state = remote_modifier_state;          old_modifier_state = remote_modifier_state;
519  #endif  #endif
520    
521          switch (modifiers)          switch (scancode)
522          {          {
523                  case SCANCODE_CHAR_LSHIFT:                  case SCANCODE_CHAR_LSHIFT:
524                          MASK_CHANGE_BIT(remote_modifier_state, MapLeftShiftMask, pressed);                          MASK_CHANGE_BIT(remote_modifier_state, MapLeftShiftMask, pressed);
# Line 518  update_modifier_state(uint16 modifiers, Line 572  update_modifier_state(uint16 modifiers,
572    
573  /* Send keyboard input */  /* Send keyboard input */
574  void  void
575  rdp_send_scancode(uint32 time, uint16 flags, uint16 scancode)  rdp_send_scancode(uint32 time, uint16 flags, uint8 scancode)
576  {  {
577          update_modifier_state(scancode, !(flags & RDP_KEYRELEASE));          update_modifier_state(scancode, !(flags & RDP_KEYRELEASE));
578    
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