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 |
|
|
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; |
54 |
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|
55 |
static void update_modifier_state(uint8 scancode, BOOL pressed); |
static void update_modifier_state(uint8 scancode, BOOL pressed); |
56 |
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57 |
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/* Free key_translation structure, included linked list */ |
58 |
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void |
59 |
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free_key_translation(key_translation * ptr) |
60 |
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{ |
61 |
|
key_translation *next; |
62 |
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|
63 |
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while (ptr) |
64 |
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{ |
65 |
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next = ptr->next; |
66 |
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xfree(ptr); |
67 |
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ptr = next; |
68 |
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} |
69 |
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} |
70 |
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|
71 |
static void |
static void |
72 |
add_to_keymap(char *keyname, uint8 scancode, uint16 modifiers, char *mapname) |
add_to_keymap(char *keyname, uint8 scancode, uint16 modifiers, char *mapname) |
73 |
{ |
{ |
74 |
KeySym keysym; |
KeySym keysym; |
75 |
|
key_translation *tr; |
76 |
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|
77 |
keysym = XStringToKeysym(keyname); |
keysym = XStringToKeysym(keyname); |
78 |
if (keysym == NoSymbol) |
if (keysym == NoSymbol) |
84 |
DEBUG_KBD(("Adding translation, keysym=0x%x, scancode=0x%x, " |
DEBUG_KBD(("Adding translation, keysym=0x%x, scancode=0x%x, " |
85 |
"modifiers=0x%x\n", (unsigned int) keysym, scancode, modifiers)); |
"modifiers=0x%x\n", (unsigned int) keysym, scancode, modifiers)); |
86 |
|
|
87 |
keymap[keysym & KEYMAP_MASK].scancode = scancode; |
tr = (key_translation *) xmalloc(sizeof(key_translation)); |
88 |
keymap[keysym & KEYMAP_MASK].modifiers = modifiers; |
memset(tr, 0, sizeof(key_translation)); |
89 |
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tr->scancode = scancode; |
90 |
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tr->modifiers = modifiers; |
91 |
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free_key_translation(keymap[keysym & KEYMAP_MASK]); |
92 |
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keymap[keysym & KEYMAP_MASK] = tr; |
93 |
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|
94 |
return; |
return; |
95 |
} |
} |
96 |
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|
97 |
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static void |
98 |
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add_sequence(char *rest, char *mapname) |
99 |
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{ |
100 |
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KeySym keysym; |
101 |
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key_translation *tr, **prev_next; |
102 |
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size_t chars; |
103 |
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char keyname[KEYMAP_MAX_LINE_LENGTH]; |
104 |
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|
105 |
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/* Skip over whitespace after the sequence keyword */ |
106 |
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chars = strspn(rest, " \t"); |
107 |
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rest += chars; |
108 |
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|
109 |
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/* Fetch the keysym name */ |
110 |
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chars = strcspn(rest, " \t\0"); |
111 |
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STRNCPY(keyname, rest, chars + 1); |
112 |
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rest += chars; |
113 |
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|
114 |
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keysym = XStringToKeysym(keyname); |
115 |
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if (keysym == NoSymbol) |
116 |
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{ |
117 |
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DEBUG_KBD(("Bad keysym \"%s\" in keymap %s (ignoring line)\n", keyname, mapname)); |
118 |
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return; |
119 |
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} |
120 |
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|
121 |
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|
122 |
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DEBUG_KBD(("Adding sequence for keysym (0x%lx, %s) -> ", keysym, keyname)); |
123 |
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|
124 |
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free_key_translation(keymap[keysym & KEYMAP_MASK]); |
125 |
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prev_next = &keymap[keysym & KEYMAP_MASK]; |
126 |
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|
127 |
|
while (*rest) |
128 |
|
{ |
129 |
|
/* Skip whitespace */ |
130 |
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chars = strspn(rest, " \t"); |
131 |
|
rest += chars; |
132 |
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|
133 |
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/* Fetch the keysym name */ |
134 |
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chars = strcspn(rest, " \t\0"); |
135 |
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STRNCPY(keyname, rest, chars + 1); |
136 |
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rest += chars; |
137 |
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|
138 |
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keysym = XStringToKeysym(keyname); |
139 |
|
if (keysym == NoSymbol) |
140 |
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{ |
141 |
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DEBUG_KBD(("Bad keysym \"%s\" in keymap %s (ignoring line)\n", keyname, |
142 |
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mapname)); |
143 |
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return; |
144 |
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} |
145 |
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|
146 |
|
/* Allocate space for key_translation structure */ |
147 |
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tr = (key_translation *) xmalloc(sizeof(key_translation)); |
148 |
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memset(tr, 0, sizeof(key_translation)); |
149 |
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*prev_next = tr; |
150 |
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prev_next = &tr->next; |
151 |
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tr->seq_keysym = keysym; |
152 |
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|
153 |
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DEBUG_KBD(("0x%x, ", (unsigned int) keysym)); |
154 |
|
} |
155 |
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DEBUG_KBD(("\n")); |
156 |
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} |
157 |
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|
158 |
static BOOL |
static BOOL |
159 |
xkeymap_read(char *mapname) |
xkeymap_read(char *mapname) |
216 |
/* map */ |
/* map */ |
217 |
if (strncmp(line, "map ", 4) == 0) |
if (strncmp(line, "map ", 4) == 0) |
218 |
{ |
{ |
219 |
keylayout = strtol(line + 4, NULL, 16); |
g_keylayout = strtol(line + 4, NULL, 16); |
220 |
DEBUG_KBD(("Keylayout 0x%x\n", keylayout)); |
DEBUG_KBD(("Keylayout 0x%x\n", g_keylayout)); |
221 |
continue; |
continue; |
222 |
} |
} |
223 |
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|
229 |
continue; |
continue; |
230 |
} |
} |
231 |
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|
232 |
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/* sequence */ |
233 |
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if (strncmp(line, "sequence", 8) == 0) |
234 |
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{ |
235 |
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add_sequence(line + 8, mapname); |
236 |
|
continue; |
237 |
|
} |
238 |
|
|
239 |
/* Comment */ |
/* Comment */ |
240 |
if (line[0] == '#') |
if (line[0] == '#') |
241 |
{ |
{ |
409 |
} |
} |
410 |
/* No release sequence */ |
/* No release sequence */ |
411 |
return True; |
return True; |
412 |
|
break; |
413 |
|
|
414 |
case XK_Pause: |
case XK_Pause: |
415 |
/* According to MS Keyboard Scan Code |
/* According to MS Keyboard Scan Code |
436 |
0x1d, 0); |
0x1d, 0); |
437 |
} |
} |
438 |
return True; |
return True; |
439 |
|
break; |
440 |
|
|
441 |
case XK_Meta_L: /* Windows keys */ |
case XK_Meta_L: /* Windows keys */ |
442 |
case XK_Super_L: |
case XK_Super_L: |
443 |
case XK_Hyper_L: |
case XK_Hyper_L: |
444 |
send_winkey(ev_time, pressed, True); |
send_winkey(ev_time, pressed, True); |
445 |
return True; |
return True; |
446 |
|
break; |
447 |
|
|
448 |
case XK_Meta_R: |
case XK_Meta_R: |
449 |
case XK_Super_R: |
case XK_Super_R: |
450 |
case XK_Hyper_R: |
case XK_Hyper_R: |
451 |
send_winkey(ev_time, pressed, False); |
send_winkey(ev_time, pressed, False); |
452 |
return True; |
return True; |
453 |
|
break; |
454 |
|
|
455 |
case XK_space: |
case XK_space: |
456 |
/* Prevent access to the Windows system menu in single app mode */ |
/* Prevent access to the Windows system menu in single app mode */ |
457 |
if (g_win_button_size |
if (g_win_button_size |
458 |
&& (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))) |
459 |
return True; |
return True; |
460 |
|
break; |
461 |
|
|
462 |
case XK_Num_Lock: |
case XK_Num_Lock: |
463 |
/* FIXME: We might want to do RDP_INPUT_SYNCHRONIZE here, if g_numlock_sync */ |
/* Synchronize on key release */ |
464 |
if (!g_numlock_sync) |
if (g_numlock_sync && !pressed) |
465 |
/* Inhibit */ |
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, |
466 |
return True; |
ui_get_numlock_state(read_keyboard_state()), 0); |
467 |
|
|
468 |
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/* Inhibit */ |
469 |
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return True; |
470 |
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break; |
471 |
|
|
472 |
} |
} |
473 |
return False; |
return False; |
477 |
key_translation |
key_translation |
478 |
xkeymap_translate_key(uint32 keysym, unsigned int keycode, unsigned int state) |
xkeymap_translate_key(uint32 keysym, unsigned int keycode, unsigned int state) |
479 |
{ |
{ |
480 |
key_translation tr = { 0, 0 }; |
key_translation tr = { 0, 0, 0, 0 }; |
481 |
|
key_translation *ptr; |
482 |
|
|
483 |
tr = keymap[keysym & KEYMAP_MASK]; |
ptr = keymap[keysym & KEYMAP_MASK]; |
484 |
|
if (ptr) |
|
if (tr.modifiers & MapInhibitMask) |
|
485 |
{ |
{ |
486 |
DEBUG_KBD(("Inhibiting key\n")); |
tr = *ptr; |
487 |
tr.scancode = 0; |
if (tr.seq_keysym == 0) /* Normal scancode translation */ |
488 |
return tr; |
{ |
489 |
} |
if (tr.modifiers & MapInhibitMask) |
490 |
|
{ |
491 |
|
DEBUG_KBD(("Inhibiting key\n")); |
492 |
|
tr.scancode = 0; |
493 |
|
return tr; |
494 |
|
} |
495 |
|
|
496 |
|
if (tr.modifiers & MapLocalStateMask) |
497 |
|
{ |
498 |
|
/* The modifiers to send for this key should be obtained |
499 |
|
from the local state. Currently, only shift is implemented. */ |
500 |
|
if (state & ShiftMask) |
501 |
|
{ |
502 |
|
tr.modifiers = MapLeftShiftMask; |
503 |
|
} |
504 |
|
} |
505 |
|
|
506 |
|
if ((tr.modifiers & MapLeftShiftMask) |
507 |
|
&& ((remote_modifier_state & MapLeftCtrlMask) |
508 |
|
|| (remote_modifier_state & MapRightCtrlMask)) |
509 |
|
&& get_key_state(state, XK_Caps_Lock)) |
510 |
|
{ |
511 |
|
DEBUG_KBD(("CapsLock + Ctrl pressed, releasing LeftShift\n")); |
512 |
|
tr.modifiers ^= MapLeftShiftMask; |
513 |
|
} |
514 |
|
|
515 |
if (tr.modifiers & MapLocalStateMask) |
DEBUG_KBD(("Found scancode translation, scancode=0x%x, modifiers=0x%x\n", |
516 |
|
tr.scancode, tr.modifiers)); |
517 |
|
} |
518 |
|
} |
519 |
|
else |
520 |
{ |
{ |
521 |
/* The modifiers to send for this key should be obtained |
if (keymap_loaded) |
522 |
from the local state. Currently, only shift is implemented. */ |
warning("No translation for (keysym 0x%lx, %s)\n", keysym, |
523 |
if (state & ShiftMask) |
get_ksname(keysym)); |
524 |
|
|
525 |
|
/* not in keymap, try to interpret the raw scancode */ |
526 |
|
if (((int) keycode >= min_keycode) && (keycode <= 0x60)) |
527 |
|
{ |
528 |
|
tr.scancode = keycode - min_keycode; |
529 |
|
|
530 |
|
/* The modifiers to send for this key should be |
531 |
|
obtained from the local state. Currently, only |
532 |
|
shift is implemented. */ |
533 |
|
if (state & ShiftMask) |
534 |
|
{ |
535 |
|
tr.modifiers = MapLeftShiftMask; |
536 |
|
} |
537 |
|
|
538 |
|
DEBUG_KBD(("Sending guessed scancode 0x%x\n", tr.scancode)); |
539 |
|
} |
540 |
|
else |
541 |
{ |
{ |
542 |
tr.modifiers = MapLeftShiftMask; |
DEBUG_KBD(("No good guess for keycode 0x%x found\n", keycode)); |
543 |
} |
} |
544 |
} |
} |
545 |
|
|
546 |
if (tr.scancode != 0) |
return tr; |
547 |
{ |
} |
|
DEBUG_KBD(("Found key translation, scancode=0x%x, modifiers=0x%x\n", |
|
|
tr.scancode, tr.modifiers)); |
|
|
return tr; |
|
|
} |
|
548 |
|
|
549 |
if (keymap_loaded) |
void |
550 |
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, |
551 |
|
BOOL pressed) |
552 |
|
{ |
553 |
|
key_translation tr, *ptr; |
554 |
|
tr = xkeymap_translate_key(keysym, keycode, state); |
555 |
|
|
556 |
/* not in keymap, try to interpret the raw scancode */ |
if (tr.seq_keysym == 0) |
|
if (((int) keycode >= min_keycode) && (keycode <= 0x60)) |
|
557 |
{ |
{ |
558 |
tr.scancode = keycode - min_keycode; |
/* Scancode translation */ |
559 |
|
if (tr.scancode == 0) |
560 |
|
return; |
561 |
|
|
562 |
/* The modifiers to send for this key should be |
if (pressed) |
|
obtained from the local state. Currently, only |
|
|
shift is implemented. */ |
|
|
if (state & ShiftMask) |
|
563 |
{ |
{ |
564 |
tr.modifiers = MapLeftShiftMask; |
save_remote_modifiers(tr.scancode); |
565 |
|
ensure_remote_modifiers(ev_time, tr); |
566 |
|
rdp_send_scancode(ev_time, RDP_KEYPRESS, tr.scancode); |
567 |
|
restore_remote_modifiers(ev_time, tr.scancode); |
568 |
} |
} |
569 |
|
else |
570 |
DEBUG_KBD(("Sending guessed scancode 0x%x\n", tr.scancode)); |
{ |
571 |
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, tr.scancode); |
572 |
|
} |
573 |
|
return; |
574 |
} |
} |
575 |
else |
|
576 |
|
/* Sequence, only on key down */ |
577 |
|
if (pressed) |
578 |
{ |
{ |
579 |
DEBUG_KBD(("No good guess for keycode 0x%x found\n", keycode)); |
ptr = &tr; |
580 |
|
do |
581 |
|
{ |
582 |
|
DEBUG_KBD(("Handling sequence element, keysym=0x%x\n", |
583 |
|
(unsigned int) ptr->seq_keysym)); |
584 |
|
xkeymap_send_keys(ptr->seq_keysym, keycode, state, ev_time, True); |
585 |
|
xkeymap_send_keys(ptr->seq_keysym, keycode, state, ev_time, False); |
586 |
|
ptr = ptr->next; |
587 |
|
} |
588 |
|
while (ptr); |
589 |
} |
} |
|
|
|
|
return tr; |
|
590 |
} |
} |
591 |
|
|
592 |
uint16 |
uint16 |
750 |
unsigned int |
unsigned int |
751 |
read_keyboard_state() |
read_keyboard_state() |
752 |
{ |
{ |
753 |
|
#ifdef RDP2VNC |
754 |
|
return 0; |
755 |
|
#else |
756 |
unsigned int state; |
unsigned int state; |
757 |
Window wdummy; |
Window wdummy; |
758 |
int dummy; |
int dummy; |
759 |
|
|
760 |
XQueryPointer(g_display, g_wnd, &wdummy, &wdummy, &dummy, &dummy, &dummy, &dummy, &state); |
XQueryPointer(g_display, g_wnd, &wdummy, &wdummy, &dummy, &dummy, &dummy, &dummy, &state); |
761 |
return state; |
return state; |
762 |
|
#endif |
763 |
} |
} |
764 |
|
|
765 |
|
|
804 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT); |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT); |
805 |
|
|
806 |
if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) && |
if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) && |
807 |
!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) |
808 |
|
&& !get_key_state(state, XK_ISO_Level3_Shift)) |
809 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
810 |
|
|
811 |
reset_winkey(ev_time); |
reset_winkey(ev_time); |