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 |
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5 |
Copyright (C) Matthew Chapman 1999-2002 |
Copyright (C) Matthew Chapman 1999-2005 |
6 |
Copyright (C) Peter Astrand <peter@cendio.se> 2003 |
Copyright (C) Peter Astrand <peter@cendio.se> 2003 |
7 |
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8 |
This program is free software; you can redistribute it and/or modify |
This program is free software; you can redistribute it and/or modify |
40 |
extern Display *g_display; |
extern Display *g_display; |
41 |
extern Window g_wnd; |
extern Window g_wnd; |
42 |
extern char keymapname[16]; |
extern char keymapname[16]; |
43 |
extern int keylayout; |
extern int g_keylayout; |
44 |
extern int g_win_button_size; |
extern int g_win_button_size; |
45 |
extern BOOL g_enable_compose; |
extern BOOL g_enable_compose; |
46 |
extern BOOL g_use_rdp5; |
extern BOOL g_use_rdp5; |
47 |
extern BOOL g_numlock_sync; |
extern BOOL g_numlock_sync; |
48 |
|
|
49 |
static BOOL keymap_loaded; |
static BOOL keymap_loaded; |
50 |
static key_translation keymap[KEYMAP_SIZE]; |
static key_translation *keymap[KEYMAP_SIZE]; |
51 |
static int min_keycode; |
static int min_keycode; |
52 |
static uint16 remote_modifier_state = 0; |
static uint16 remote_modifier_state = 0; |
53 |
static uint16 saved_remote_modifier_state = 0; |
static uint16 saved_remote_modifier_state = 0; |
58 |
add_to_keymap(char *keyname, uint8 scancode, uint16 modifiers, char *mapname) |
add_to_keymap(char *keyname, uint8 scancode, uint16 modifiers, char *mapname) |
59 |
{ |
{ |
60 |
KeySym keysym; |
KeySym keysym; |
61 |
|
key_translation *tr; |
62 |
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|
63 |
keysym = XStringToKeysym(keyname); |
keysym = XStringToKeysym(keyname); |
64 |
if (keysym == NoSymbol) |
if (keysym == NoSymbol) |
70 |
DEBUG_KBD(("Adding translation, keysym=0x%x, scancode=0x%x, " |
DEBUG_KBD(("Adding translation, keysym=0x%x, scancode=0x%x, " |
71 |
"modifiers=0x%x\n", (unsigned int) keysym, scancode, modifiers)); |
"modifiers=0x%x\n", (unsigned int) keysym, scancode, modifiers)); |
72 |
|
|
73 |
keymap[keysym & KEYMAP_MASK].scancode = scancode; |
tr = (key_translation *) xmalloc(sizeof(key_translation)); |
74 |
keymap[keysym & KEYMAP_MASK].modifiers = modifiers; |
memset(tr, 0, sizeof(key_translation)); |
75 |
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tr->scancode = scancode; |
76 |
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tr->modifiers = modifiers; |
77 |
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keymap[keysym & KEYMAP_MASK] = tr; |
78 |
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|
79 |
return; |
return; |
80 |
} |
} |
81 |
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82 |
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static void |
83 |
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add_sequence(char *rest, char *mapname) |
84 |
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{ |
85 |
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KeySym keysym; |
86 |
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key_translation *tr, **prev_next; |
87 |
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size_t chars; |
88 |
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char keyname[KEYMAP_MAX_LINE_LENGTH]; |
89 |
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|
90 |
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/* Skip over whitespace after the sequence keyword */ |
91 |
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chars = strspn(rest, " \t"); |
92 |
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rest += chars; |
93 |
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|
94 |
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/* Fetch the keysym name */ |
95 |
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chars = strcspn(rest, " \t\0"); |
96 |
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STRNCPY(keyname, rest, chars + 1); |
97 |
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rest += chars; |
98 |
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|
99 |
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keysym = XStringToKeysym(keyname); |
100 |
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if (keysym == NoSymbol) |
101 |
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{ |
102 |
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DEBUG_KBD(("Bad keysym \"%s\" in keymap %s (ignoring line)\n", keyname, mapname)); |
103 |
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return; |
104 |
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} |
105 |
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106 |
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107 |
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DEBUG_KBD(("Adding sequence for keysym (0x%lx, %s) -> ", keysym, keyname)); |
108 |
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109 |
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prev_next = &keymap[keysym & KEYMAP_MASK]; |
110 |
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111 |
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while (*rest) |
112 |
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{ |
113 |
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/* Skip whitespace */ |
114 |
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chars = strspn(rest, " \t"); |
115 |
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rest += chars; |
116 |
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|
117 |
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/* Fetch the keysym name */ |
118 |
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chars = strcspn(rest, " \t\0"); |
119 |
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STRNCPY(keyname, rest, chars + 1); |
120 |
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rest += chars; |
121 |
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|
122 |
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keysym = XStringToKeysym(keyname); |
123 |
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if (keysym == NoSymbol) |
124 |
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{ |
125 |
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DEBUG_KBD(("Bad keysym \"%s\" in keymap %s (ignoring line)\n", keyname, |
126 |
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mapname)); |
127 |
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return; |
128 |
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} |
129 |
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|
130 |
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/* Allocate space for key_translation structure */ |
131 |
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tr = (key_translation *) xmalloc(sizeof(key_translation)); |
132 |
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memset(tr, 0, sizeof(key_translation)); |
133 |
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*prev_next = tr; |
134 |
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prev_next = &tr->next; |
135 |
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tr->seq_keysym = keysym; |
136 |
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|
137 |
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DEBUG_KBD(("0x%x, ", (unsigned int) keysym)); |
138 |
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} |
139 |
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DEBUG_KBD(("\n")); |
140 |
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} |
141 |
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142 |
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143 |
static BOOL |
static BOOL |
144 |
xkeymap_read(char *mapname) |
xkeymap_read(char *mapname) |
201 |
/* map */ |
/* map */ |
202 |
if (strncmp(line, "map ", 4) == 0) |
if (strncmp(line, "map ", 4) == 0) |
203 |
{ |
{ |
204 |
keylayout = strtol(line + 4, NULL, 16); |
g_keylayout = strtol(line + 4, NULL, 16); |
205 |
DEBUG_KBD(("Keylayout 0x%x\n", keylayout)); |
DEBUG_KBD(("Keylayout 0x%x\n", g_keylayout)); |
206 |
continue; |
continue; |
207 |
} |
} |
208 |
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|
214 |
continue; |
continue; |
215 |
} |
} |
216 |
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|
217 |
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/* sequence */ |
218 |
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if (strncmp(line, "sequence", 8) == 0) |
219 |
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{ |
220 |
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add_sequence(line + 8, mapname); |
221 |
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continue; |
222 |
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} |
223 |
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|
224 |
/* Comment */ |
/* Comment */ |
225 |
if (line[0] == '#') |
if (line[0] == '#') |
226 |
{ |
{ |
394 |
} |
} |
395 |
/* No release sequence */ |
/* No release sequence */ |
396 |
return True; |
return True; |
397 |
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break; |
398 |
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|
399 |
case XK_Pause: |
case XK_Pause: |
400 |
/* According to MS Keyboard Scan Code |
/* According to MS Keyboard Scan Code |
421 |
0x1d, 0); |
0x1d, 0); |
422 |
} |
} |
423 |
return True; |
return True; |
424 |
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break; |
425 |
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|
426 |
case XK_Meta_L: /* Windows keys */ |
case XK_Meta_L: /* Windows keys */ |
427 |
case XK_Super_L: |
case XK_Super_L: |
428 |
case XK_Hyper_L: |
case XK_Hyper_L: |
429 |
send_winkey(ev_time, pressed, True); |
send_winkey(ev_time, pressed, True); |
430 |
return True; |
return True; |
431 |
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break; |
432 |
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|
433 |
case XK_Meta_R: |
case XK_Meta_R: |
434 |
case XK_Super_R: |
case XK_Super_R: |
435 |
case XK_Hyper_R: |
case XK_Hyper_R: |
436 |
send_winkey(ev_time, pressed, False); |
send_winkey(ev_time, pressed, False); |
437 |
return True; |
return True; |
438 |
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break; |
439 |
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|
440 |
case XK_space: |
case XK_space: |
441 |
/* Prevent access to the Windows system menu in single app mode */ |
/* Prevent access to the Windows system menu in single app mode */ |
442 |
if (g_win_button_size |
if (g_win_button_size |
443 |
&& (get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R))) |
&& (get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R))) |
444 |
return True; |
return True; |
445 |
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break; |
446 |
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|
447 |
case XK_Num_Lock: |
case XK_Num_Lock: |
448 |
/* FIXME: We might want to do RDP_INPUT_SYNCHRONIZE here, if g_numlock_sync */ |
/* Synchronize on key release */ |
449 |
if (!g_numlock_sync) |
if (g_numlock_sync && !pressed) |
450 |
/* Inhibit */ |
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, |
451 |
return True; |
ui_get_numlock_state(read_keyboard_state()), 0); |
452 |
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|
453 |
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/* Inhibit */ |
454 |
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return True; |
455 |
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break; |
456 |
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|
457 |
} |
} |
458 |
return False; |
return False; |
462 |
key_translation |
key_translation |
463 |
xkeymap_translate_key(uint32 keysym, unsigned int keycode, unsigned int state) |
xkeymap_translate_key(uint32 keysym, unsigned int keycode, unsigned int state) |
464 |
{ |
{ |
465 |
key_translation tr = { 0, 0 }; |
key_translation tr = { 0, 0, 0, 0 }; |
466 |
|
key_translation *ptr; |
|
tr = keymap[keysym & KEYMAP_MASK]; |
|
467 |
|
|
468 |
if (tr.modifiers & MapInhibitMask) |
ptr = keymap[keysym & KEYMAP_MASK]; |
469 |
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if (ptr) |
470 |
{ |
{ |
471 |
DEBUG_KBD(("Inhibiting key\n")); |
tr = *ptr; |
472 |
tr.scancode = 0; |
if (tr.seq_keysym == 0) /* Normal scancode translation */ |
473 |
return tr; |
{ |
474 |
} |
if (tr.modifiers & MapInhibitMask) |
475 |
|
{ |
476 |
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DEBUG_KBD(("Inhibiting key\n")); |
477 |
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tr.scancode = 0; |
478 |
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return tr; |
479 |
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} |
480 |
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|
481 |
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if (tr.modifiers & MapLocalStateMask) |
482 |
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{ |
483 |
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/* The modifiers to send for this key should be obtained |
484 |
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from the local state. Currently, only shift is implemented. */ |
485 |
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if (state & ShiftMask) |
486 |
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{ |
487 |
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tr.modifiers = MapLeftShiftMask; |
488 |
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} |
489 |
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} |
490 |
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|
491 |
if (tr.modifiers & MapLocalStateMask) |
if ((tr.modifiers & MapLeftShiftMask) |
492 |
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&& ((remote_modifier_state & MapLeftCtrlMask) |
493 |
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|| (remote_modifier_state & MapRightCtrlMask)) |
494 |
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&& get_key_state(state, XK_Caps_Lock)) |
495 |
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{ |
496 |
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DEBUG_KBD(("CapsLock + Ctrl pressed, releasing LeftShift\n")); |
497 |
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tr.modifiers ^= MapLeftShiftMask; |
498 |
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} |
499 |
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|
500 |
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DEBUG_KBD(("Found scancode translation, scancode=0x%x, modifiers=0x%x\n", |
501 |
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tr.scancode, tr.modifiers)); |
502 |
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} |
503 |
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} |
504 |
|
else |
505 |
{ |
{ |
506 |
/* The modifiers to send for this key should be obtained |
if (keymap_loaded) |
507 |
from the local state. Currently, only shift is implemented. */ |
warning("No translation for (keysym 0x%lx, %s)\n", keysym, |
508 |
if (state & ShiftMask) |
get_ksname(keysym)); |
509 |
|
|
510 |
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/* not in keymap, try to interpret the raw scancode */ |
511 |
|
if (((int) keycode >= min_keycode) && (keycode <= 0x60)) |
512 |
|
{ |
513 |
|
tr.scancode = keycode - min_keycode; |
514 |
|
|
515 |
|
/* The modifiers to send for this key should be |
516 |
|
obtained from the local state. Currently, only |
517 |
|
shift is implemented. */ |
518 |
|
if (state & ShiftMask) |
519 |
|
{ |
520 |
|
tr.modifiers = MapLeftShiftMask; |
521 |
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} |
522 |
|
|
523 |
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DEBUG_KBD(("Sending guessed scancode 0x%x\n", tr.scancode)); |
524 |
|
} |
525 |
|
else |
526 |
{ |
{ |
527 |
tr.modifiers = MapLeftShiftMask; |
DEBUG_KBD(("No good guess for keycode 0x%x found\n", keycode)); |
528 |
} |
} |
529 |
} |
} |
530 |
|
|
531 |
if (tr.scancode != 0) |
return tr; |
532 |
{ |
} |
|
DEBUG_KBD(("Found key translation, scancode=0x%x, modifiers=0x%x\n", |
|
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tr.scancode, tr.modifiers)); |
|
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return tr; |
|
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} |
|
533 |
|
|
534 |
if (keymap_loaded) |
void |
535 |
warning("No translation for (keysym 0x%lx, %s)\n", keysym, get_ksname(keysym)); |
xkeymap_send_keys(uint32 keysym, unsigned int keycode, unsigned int state, uint32 ev_time, |
536 |
|
BOOL pressed) |
537 |
|
{ |
538 |
|
key_translation tr, *ptr; |
539 |
|
tr = xkeymap_translate_key(keysym, keycode, state); |
540 |
|
|
541 |
/* not in keymap, try to interpret the raw scancode */ |
if (tr.seq_keysym == 0) |
|
if (((int) keycode >= min_keycode) && (keycode <= 0x60)) |
|
542 |
{ |
{ |
543 |
tr.scancode = keycode - min_keycode; |
/* Scancode translation */ |
544 |
|
if (tr.scancode == 0) |
545 |
|
return; |
546 |
|
|
547 |
/* The modifiers to send for this key should be |
if (pressed) |
|
obtained from the local state. Currently, only |
|
|
shift is implemented. */ |
|
|
if (state & ShiftMask) |
|
548 |
{ |
{ |
549 |
tr.modifiers = MapLeftShiftMask; |
save_remote_modifiers(tr.scancode); |
550 |
|
ensure_remote_modifiers(ev_time, tr); |
551 |
|
rdp_send_scancode(ev_time, RDP_KEYPRESS, tr.scancode); |
552 |
|
restore_remote_modifiers(ev_time, tr.scancode); |
553 |
} |
} |
554 |
|
else |
555 |
DEBUG_KBD(("Sending guessed scancode 0x%x\n", tr.scancode)); |
{ |
556 |
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, tr.scancode); |
557 |
|
} |
558 |
|
return; |
559 |
} |
} |
560 |
else |
|
561 |
|
/* Sequence, only on key down */ |
562 |
|
if (pressed) |
563 |
{ |
{ |
564 |
DEBUG_KBD(("No good guess for keycode 0x%x found\n", keycode)); |
ptr = &tr; |
565 |
|
do |
566 |
|
{ |
567 |
|
DEBUG_KBD(("Handling sequence element, keysym=0x%x\n", |
568 |
|
(unsigned int) ptr->seq_keysym)); |
569 |
|
xkeymap_send_keys(ptr->seq_keysym, keycode, state, ev_time, True); |
570 |
|
xkeymap_send_keys(ptr->seq_keysym, keycode, state, ev_time, False); |
571 |
|
ptr = ptr->next; |
572 |
|
} |
573 |
|
while (ptr); |
574 |
} |
} |
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return tr; |
|
575 |
} |
} |
576 |
|
|
577 |
uint16 |
uint16 |
735 |
unsigned int |
unsigned int |
736 |
read_keyboard_state() |
read_keyboard_state() |
737 |
{ |
{ |
738 |
|
#ifdef RDP2VNC |
739 |
|
return 0; |
740 |
|
#else |
741 |
unsigned int state; |
unsigned int state; |
742 |
Window wdummy; |
Window wdummy; |
743 |
int dummy; |
int dummy; |
744 |
|
|
745 |
XQueryPointer(g_display, g_wnd, &wdummy, &wdummy, &dummy, &dummy, &dummy, &dummy, &state); |
XQueryPointer(g_display, g_wnd, &wdummy, &wdummy, &dummy, &dummy, &dummy, &dummy, &state); |
746 |
return state; |
return state; |
747 |
|
#endif |
748 |
} |
} |
749 |
|
|
750 |
|
|
789 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT); |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT); |
790 |
|
|
791 |
if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) && |
if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) && |
792 |
!get_key_state(state, XK_Alt_R) && !get_key_state(state, XK_Mode_switch)) |
!get_key_state(state, XK_Alt_R) && !get_key_state(state, XK_Mode_switch) |
793 |
|
&& !get_key_state(state, XK_ISO_Level3_Shift)) |
794 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
795 |
|
|
796 |
reset_winkey(ev_time); |
reset_winkey(ev_time); |