/[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 197 by astrand, Wed Sep 25 11:07:57 2002 UTC revision 290 by astrand, Mon Jan 20 09:50:28 2003 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 27  Line 27 
27  #include "rdesktop.h"  #include "rdesktop.h"
28  #include "scancodes.h"  #include "scancodes.h"
29    
30  #define KEYMAP_SIZE 4096  #define KEYMAP_SIZE 0xffff+1
31  #define KEYMAP_MASK (KEYMAP_SIZE - 1)  #define KEYMAP_MASK 0xffff
32  #define KEYMAP_MAX_LINE_LENGTH 80  #define KEYMAP_MAX_LINE_LENGTH 80
33    
34  extern Display *display;  extern Display *display;
# 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 204  void Line 214  void
214  xkeymap_init(void)  xkeymap_init(void)
215  {  {
216          unsigned int max_keycode;          unsigned int max_keycode;
217            char *mapname_ptr;
218    
219            /* Make keymapname lowercase */
220            mapname_ptr = keymapname;
221            while (*mapname_ptr)
222            {
223                    *mapname_ptr = tolower(*mapname_ptr);
224                    mapname_ptr++;
225            }
226    
227          if (strcmp(keymapname, "none"))          if (strcmp(keymapname, "none"))
228                  xkeymap_read(keymapname);          {
229                    if (xkeymap_read(keymapname))
230                            keymap_loaded = True;
231            }
232    
233          XDisplayKeycodes(display, &min_keycode, (int *) &max_keycode);          XDisplayKeycodes(display, &min_keycode, (int *) &max_keycode);
234  }  }
# Line 214  xkeymap_init(void) Line 236  xkeymap_init(void)
236  /* Handles, for example, multi-scancode keypresses (which is not  /* Handles, for example, multi-scancode keypresses (which is not
237     possible via keymap-files) */     possible via keymap-files) */
238  BOOL  BOOL
239  handle_special_keys(uint32 keysym, uint32 ev_time, BOOL pressed)  handle_special_keys(uint32 keysym, unsigned int state, uint32 ev_time, BOOL pressed)
240  {  {
241          switch (keysym)          switch (keysym)
242          {          {
243                  case XK_Break:  /* toggle full screen */                  case XK_Return:
244                          if (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))
245                                && (get_key_state(state, XK_Control_L)
246                                    || get_key_state(state, XK_Control_R)))
247                          {                          {
248                                    /* Ctrl-Alt-Enter: toggle full screen */
249                                  if (pressed)                                  if (pressed)
250                                          xwin_toggle_fullscreen();                                          xwin_toggle_fullscreen();
251                                  return True;                                  return True;
252                          }                          }
253                          break;                          break;
254    
255                    case XK_Break:
256                            /* Send Break sequence E0 46 E0 C6 */
257                            if (pressed)
258                            {
259                                    rdp_send_scancode(ev_time, RDP_KEYPRESS,
260                                                      (SCANCODE_EXTENDED | 0x46));
261                                    rdp_send_scancode(ev_time, RDP_KEYPRESS,
262                                                      (SCANCODE_EXTENDED | 0xc6));
263                            }
264                            /* No release sequence */
265                            return True;
266    
267                  case XK_Pause:                  case XK_Pause:
268                          /* According to MS Keyboard Scan Code                          /* According to MS Keyboard Scan Code
269                             Specification, pressing Pause should result                             Specification, pressing Pause should result
# Line 247  handle_special_keys(uint32 keysym, uint3 Line 284  handle_special_keys(uint32 keysym, uint3
284                          }                          }
285                          else                          else
286                          {                          {
287                                  // Release Left Ctrl                                  /* Release Left Ctrl */
288                                  rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYRELEASE, 0x1d,                                  rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYRELEASE,
289                                                 0);                                                 0x1d, 0);
290                          }                          }
   
291                          return True;                          return True;
                         break;  
292    
293                  case XK_Meta_L: /* Windows keys */                  case XK_Meta_L: /* Windows keys */
294                  case XK_Super_L:                  case XK_Super_L:
# Line 272  handle_special_keys(uint32 keysym, uint3 Line 307  handle_special_keys(uint32 keysym, uint3
307                                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL);                                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL);
308                          }                          }
309                          return True;                          return True;
                         break;  
310          }          }
311          return False;          return False;
312  }  }
# Line 309  xkeymap_translate_key(uint32 keysym, uns Line 343  xkeymap_translate_key(uint32 keysym, uns
343                  return tr;                  return tr;
344          }          }
345    
346          DEBUG_KBD(("No translation for (keysym 0x%lx, %s)\n", keysym, get_ksname(keysym)));          if (keymap_loaded)
347                    error("No translation for (keysym 0x%lx, %s)\n", keysym, get_ksname(keysym));
348    
349          /* not in keymap, try to interpret the raw scancode */          /* not in keymap, try to interpret the raw scancode */
350          if ((keycode >= min_keycode) && (keycode <= 0x60))          if ((keycode >= min_keycode) && (keycode <= 0x60))
# Line 456  ensure_remote_modifiers(uint32 ev_time, Line 491  ensure_remote_modifiers(uint32 ev_time,
491    
492    
493  void  void
494  reset_modifier_keys(void)  reset_modifier_keys(unsigned int state)
495  {  {
496          /* reset keys */          /* reset keys */
497          uint32 ev_time;          uint32 ev_time;
498          ev_time = time(NULL);          ev_time = time(NULL);
499    
500          if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask) && !get_key_state(XK_Shift_L))          if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask)
501                && !get_key_state(state, XK_Shift_L))
502                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT);                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT);
503    
504          if (MASK_HAS_BITS(remote_modifier_state, MapRightShiftMask) && !get_key_state(XK_Shift_R))          if (MASK_HAS_BITS(remote_modifier_state, MapRightShiftMask)
505                && !get_key_state(state, XK_Shift_R))
506                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT);                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT);
507    
508          if (MASK_HAS_BITS(remote_modifier_state, MapLeftCtrlMask) && !get_key_state(XK_Control_L))          if (MASK_HAS_BITS(remote_modifier_state, MapLeftCtrlMask)
509                && !get_key_state(state, XK_Control_L))
510                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL);                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL);
511    
512          if (MASK_HAS_BITS(remote_modifier_state, MapRightCtrlMask) && !get_key_state(XK_Control_R))          if (MASK_HAS_BITS(remote_modifier_state, MapRightCtrlMask)
513                && !get_key_state(state, XK_Control_R))
514                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL);                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL);
515    
516          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))
517                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT);                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT);
518    
519          if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) &&          if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) &&
520              !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))
521                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT);                  rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT);
522  }  }
523    
524    
525  static void  static void
526  update_modifier_state(uint16 modifiers, BOOL pressed)  update_modifier_state(uint8 scancode, BOOL pressed)
527  {  {
528  #ifdef WITH_DEBUG_KBD  #ifdef WITH_DEBUG_KBD
529          uint16 old_modifier_state;          uint16 old_modifier_state;
# Line 492  update_modifier_state(uint16 modifiers, Line 531  update_modifier_state(uint16 modifiers,
531          old_modifier_state = remote_modifier_state;          old_modifier_state = remote_modifier_state;
532  #endif  #endif
533    
534          switch (modifiers)          switch (scancode)
535          {          {
536                  case SCANCODE_CHAR_LSHIFT:                  case SCANCODE_CHAR_LSHIFT:
537                          MASK_CHANGE_BIT(remote_modifier_state, MapLeftShiftMask, pressed);                          MASK_CHANGE_BIT(remote_modifier_state, MapLeftShiftMask, pressed);
# Line 546  update_modifier_state(uint16 modifiers, Line 585  update_modifier_state(uint16 modifiers,
585    
586  /* Send keyboard input */  /* Send keyboard input */
587  void  void
588  rdp_send_scancode(uint32 time, uint16 flags, uint16 scancode)  rdp_send_scancode(uint32 time, uint16 flags, uint8 scancode)
589  {  {
590          update_modifier_state(scancode, !(flags & RDP_KEYRELEASE));          update_modifier_state(scancode, !(flags & RDP_KEYRELEASE));
591    
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