1 |
/* |
2 |
rdesktop: A Remote Desktop Protocol client. |
3 |
User interface services - X keyboard mapping |
4 |
|
5 |
Copyright (C) Matthew Chapman 1999-2002 |
6 |
Copyright (C) Peter Astrand <peter@cendio.se> 2003 |
7 |
|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
11 |
(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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|
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#ifdef RDP2VNC |
24 |
#include "vnc/x11stubs.h" |
25 |
#else |
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#include <X11/Xlib.h> |
27 |
#include <X11/keysym.h> |
28 |
#endif |
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|
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#include <ctype.h> |
31 |
#include <limits.h> |
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#include <time.h> |
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#include "rdesktop.h" |
34 |
#include "scancodes.h" |
35 |
|
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#define KEYMAP_SIZE 0xffff+1 |
37 |
#define KEYMAP_MASK 0xffff |
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#define KEYMAP_MAX_LINE_LENGTH 80 |
39 |
|
40 |
extern Display *g_display; |
41 |
extern Window g_wnd; |
42 |
extern char keymapname[16]; |
43 |
extern int keylayout; |
44 |
extern int g_win_button_size; |
45 |
extern BOOL g_enable_compose; |
46 |
extern BOOL g_use_rdp5; |
47 |
extern BOOL g_numlock_sync; |
48 |
|
49 |
static BOOL keymap_loaded; |
50 |
static key_translation keymap[KEYMAP_SIZE]; |
51 |
static int min_keycode; |
52 |
static uint16 remote_modifier_state = 0; |
53 |
static uint16 saved_remote_modifier_state = 0; |
54 |
|
55 |
static void update_modifier_state(uint8 scancode, BOOL pressed); |
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|
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static void |
58 |
add_to_keymap(char *keyname, uint8 scancode, uint16 modifiers, char *mapname) |
59 |
{ |
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KeySym keysym; |
61 |
|
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keysym = XStringToKeysym(keyname); |
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if (keysym == NoSymbol) |
64 |
{ |
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DEBUG_KBD(("Bad keysym \"%s\" in keymap %s (ignoring)\n", keyname, mapname)); |
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return; |
67 |
} |
68 |
|
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DEBUG_KBD(("Adding translation, keysym=0x%x, scancode=0x%x, " |
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"modifiers=0x%x\n", (unsigned int) keysym, scancode, modifiers)); |
71 |
|
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keymap[keysym & KEYMAP_MASK].scancode = scancode; |
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keymap[keysym & KEYMAP_MASK].modifiers = modifiers; |
74 |
|
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return; |
76 |
} |
77 |
|
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|
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static BOOL |
80 |
xkeymap_read(char *mapname) |
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{ |
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FILE *fp; |
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char line[KEYMAP_MAX_LINE_LENGTH]; |
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char path[PATH_MAX], inplace_path[PATH_MAX]; |
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unsigned int line_num = 0; |
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unsigned int line_length = 0; |
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char *keyname, *p; |
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char *line_rest; |
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uint8 scancode; |
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uint16 modifiers; |
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|
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|
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strcpy(path, KEYMAP_PATH); |
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strncat(path, mapname, sizeof(path) - sizeof(KEYMAP_PATH)); |
95 |
|
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fp = fopen(path, "r"); |
97 |
if (fp == NULL) |
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{ |
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/* in case we are running from the source tree */ |
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strcpy(inplace_path, "keymaps/"); |
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strncat(inplace_path, mapname, sizeof(inplace_path) - sizeof("keymaps/")); |
102 |
|
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fp = fopen(inplace_path, "r"); |
104 |
if (fp == NULL) |
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{ |
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error("Failed to open keymap %s\n", path); |
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return False; |
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} |
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} |
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|
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/* FIXME: More tolerant on white space */ |
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while (fgets(line, sizeof(line), fp) != NULL) |
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{ |
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line_num++; |
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|
116 |
/* Replace the \n with \0 */ |
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p = strchr(line, '\n'); |
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if (p != NULL) |
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*p = 0; |
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|
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line_length = strlen(line); |
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|
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/* Completely empty line */ |
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if (strspn(line, " \t\n\r\f\v") == line_length) |
125 |
{ |
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continue; |
127 |
} |
128 |
|
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/* Include */ |
130 |
if (strncmp(line, "include ", 8) == 0) |
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{ |
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if (!xkeymap_read(line + 8)) |
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return False; |
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continue; |
135 |
} |
136 |
|
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/* map */ |
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if (strncmp(line, "map ", 4) == 0) |
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{ |
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keylayout = strtol(line + 4, NULL, 16); |
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DEBUG_KBD(("Keylayout 0x%x\n", keylayout)); |
142 |
continue; |
143 |
} |
144 |
|
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/* compose */ |
146 |
if (strncmp(line, "enable_compose", 15) == 0) |
147 |
{ |
148 |
DEBUG_KBD(("Enabling compose handling\n")); |
149 |
g_enable_compose = True; |
150 |
continue; |
151 |
} |
152 |
|
153 |
/* Comment */ |
154 |
if (line[0] == '#') |
155 |
{ |
156 |
continue; |
157 |
} |
158 |
|
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/* Normal line */ |
160 |
keyname = line; |
161 |
p = strchr(line, ' '); |
162 |
if (p == NULL) |
163 |
{ |
164 |
error("Bad line %d in keymap %s\n", line_num, mapname); |
165 |
continue; |
166 |
} |
167 |
else |
168 |
{ |
169 |
*p = 0; |
170 |
} |
171 |
|
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/* scancode */ |
173 |
p++; |
174 |
scancode = strtol(p, &line_rest, 16); |
175 |
|
176 |
/* flags */ |
177 |
/* FIXME: Should allow case-insensitive flag names. |
178 |
Fix by using lex+yacc... */ |
179 |
modifiers = 0; |
180 |
if (strstr(line_rest, "altgr")) |
181 |
{ |
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MASK_ADD_BITS(modifiers, MapAltGrMask); |
183 |
} |
184 |
|
185 |
if (strstr(line_rest, "shift")) |
186 |
{ |
187 |
MASK_ADD_BITS(modifiers, MapLeftShiftMask); |
188 |
} |
189 |
|
190 |
if (strstr(line_rest, "numlock")) |
191 |
{ |
192 |
MASK_ADD_BITS(modifiers, MapNumLockMask); |
193 |
} |
194 |
|
195 |
if (strstr(line_rest, "localstate")) |
196 |
{ |
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MASK_ADD_BITS(modifiers, MapLocalStateMask); |
198 |
} |
199 |
|
200 |
if (strstr(line_rest, "inhibit")) |
201 |
{ |
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MASK_ADD_BITS(modifiers, MapInhibitMask); |
203 |
} |
204 |
|
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add_to_keymap(keyname, scancode, modifiers, mapname); |
206 |
|
207 |
if (strstr(line_rest, "addupper")) |
208 |
{ |
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/* Automatically add uppercase key, with same modifiers |
210 |
plus shift */ |
211 |
for (p = keyname; *p; p++) |
212 |
*p = toupper((int) *p); |
213 |
MASK_ADD_BITS(modifiers, MapLeftShiftMask); |
214 |
add_to_keymap(keyname, scancode, modifiers, mapname); |
215 |
} |
216 |
} |
217 |
|
218 |
fclose(fp); |
219 |
return True; |
220 |
} |
221 |
|
222 |
|
223 |
/* Before connecting and creating UI */ |
224 |
void |
225 |
xkeymap_init(void) |
226 |
{ |
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unsigned int max_keycode; |
228 |
char *mapname_ptr; |
229 |
|
230 |
/* Make keymapname lowercase */ |
231 |
mapname_ptr = keymapname; |
232 |
while (*mapname_ptr) |
233 |
{ |
234 |
*mapname_ptr = tolower((int) *mapname_ptr); |
235 |
mapname_ptr++; |
236 |
} |
237 |
|
238 |
if (strcmp(keymapname, "none")) |
239 |
{ |
240 |
if (xkeymap_read(keymapname)) |
241 |
keymap_loaded = True; |
242 |
} |
243 |
|
244 |
XDisplayKeycodes(g_display, &min_keycode, (int *) &max_keycode); |
245 |
} |
246 |
|
247 |
static void |
248 |
send_winkey(uint32 ev_time, BOOL pressed, BOOL leftkey) |
249 |
{ |
250 |
uint8 winkey; |
251 |
|
252 |
if (leftkey) |
253 |
winkey = SCANCODE_CHAR_LWIN; |
254 |
else |
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winkey = SCANCODE_CHAR_RWIN; |
256 |
|
257 |
if (pressed) |
258 |
{ |
259 |
if (g_use_rdp5) |
260 |
{ |
261 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, winkey); |
262 |
} |
263 |
else |
264 |
{ |
265 |
/* RDP4 doesn't support winkey. Fake with Ctrl-Esc */ |
266 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_LCTRL); |
267 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_ESC); |
268 |
} |
269 |
} |
270 |
else |
271 |
{ |
272 |
/* key released */ |
273 |
if (g_use_rdp5) |
274 |
{ |
275 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, winkey); |
276 |
} |
277 |
else |
278 |
{ |
279 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_ESC); |
280 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
281 |
} |
282 |
} |
283 |
} |
284 |
|
285 |
static void |
286 |
reset_winkey(uint32 ev_time) |
287 |
{ |
288 |
if (g_use_rdp5) |
289 |
{ |
290 |
/* For some reason, it seems to suffice to release |
291 |
*either* the left or right winkey. */ |
292 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LWIN); |
293 |
} |
294 |
} |
295 |
|
296 |
/* Handles, for example, multi-scancode keypresses (which is not |
297 |
possible via keymap-files) */ |
298 |
BOOL |
299 |
handle_special_keys(uint32 keysym, unsigned int state, uint32 ev_time, BOOL pressed) |
300 |
{ |
301 |
switch (keysym) |
302 |
{ |
303 |
case XK_Return: |
304 |
if ((get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R)) |
305 |
&& (get_key_state(state, XK_Control_L) |
306 |
|| get_key_state(state, XK_Control_R))) |
307 |
{ |
308 |
/* Ctrl-Alt-Enter: toggle full screen */ |
309 |
if (pressed) |
310 |
xwin_toggle_fullscreen(); |
311 |
return True; |
312 |
} |
313 |
break; |
314 |
|
315 |
case XK_Break: |
316 |
/* Send Break sequence E0 46 E0 C6 */ |
317 |
if (pressed) |
318 |
{ |
319 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, |
320 |
(SCANCODE_EXTENDED | 0x46)); |
321 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, |
322 |
(SCANCODE_EXTENDED | 0xc6)); |
323 |
} |
324 |
/* No release sequence */ |
325 |
return True; |
326 |
|
327 |
case XK_Pause: |
328 |
/* According to MS Keyboard Scan Code |
329 |
Specification, pressing Pause should result |
330 |
in E1 1D 45 E1 9D C5. I'm not exactly sure |
331 |
of how this is supposed to be sent via |
332 |
RDP. The code below seems to work, but with |
333 |
the side effect that Left Ctrl stays |
334 |
down. Therefore, we release it when Pause |
335 |
is released. */ |
336 |
if (pressed) |
337 |
{ |
338 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xe1, 0); |
339 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x1d, 0); |
340 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x45, 0); |
341 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xe1, 0); |
342 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x9d, 0); |
343 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xc5, 0); |
344 |
} |
345 |
else |
346 |
{ |
347 |
/* Release Left Ctrl */ |
348 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYRELEASE, |
349 |
0x1d, 0); |
350 |
} |
351 |
return True; |
352 |
|
353 |
case XK_Meta_L: /* Windows keys */ |
354 |
case XK_Super_L: |
355 |
case XK_Hyper_L: |
356 |
send_winkey(ev_time, pressed, True); |
357 |
return True; |
358 |
|
359 |
case XK_Meta_R: |
360 |
case XK_Super_R: |
361 |
case XK_Hyper_R: |
362 |
send_winkey(ev_time, pressed, False); |
363 |
return True; |
364 |
|
365 |
case XK_space: |
366 |
/* Prevent access to the Windows system menu in single app mode */ |
367 |
if (g_win_button_size |
368 |
&& (get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R))) |
369 |
return True; |
370 |
case XK_Num_Lock: |
371 |
/* FIXME: We might want to do RDP_INPUT_SYNCHRONIZE here, if g_numlock_sync */ |
372 |
if (!g_numlock_sync) |
373 |
/* Inhibit */ |
374 |
return True; |
375 |
|
376 |
|
377 |
} |
378 |
return False; |
379 |
} |
380 |
|
381 |
|
382 |
key_translation |
383 |
xkeymap_translate_key(uint32 keysym, unsigned int keycode, unsigned int state) |
384 |
{ |
385 |
key_translation tr = { 0, 0 }; |
386 |
|
387 |
tr = keymap[keysym & KEYMAP_MASK]; |
388 |
|
389 |
if (tr.modifiers & MapInhibitMask) |
390 |
{ |
391 |
DEBUG_KBD(("Inhibiting key\n")); |
392 |
tr.scancode = 0; |
393 |
return tr; |
394 |
} |
395 |
|
396 |
if (tr.modifiers & MapLocalStateMask) |
397 |
{ |
398 |
/* The modifiers to send for this key should be obtained |
399 |
from the local state. Currently, only shift is implemented. */ |
400 |
if (state & ShiftMask) |
401 |
{ |
402 |
tr.modifiers = MapLeftShiftMask; |
403 |
} |
404 |
} |
405 |
|
406 |
if (tr.scancode != 0) |
407 |
{ |
408 |
DEBUG_KBD(("Found key translation, scancode=0x%x, modifiers=0x%x\n", |
409 |
tr.scancode, tr.modifiers)); |
410 |
return tr; |
411 |
} |
412 |
|
413 |
if (keymap_loaded) |
414 |
warning("No translation for (keysym 0x%lx, %s)\n", keysym, get_ksname(keysym)); |
415 |
|
416 |
/* not in keymap, try to interpret the raw scancode */ |
417 |
if (((int) keycode >= min_keycode) && (keycode <= 0x60)) |
418 |
{ |
419 |
tr.scancode = keycode - min_keycode; |
420 |
|
421 |
/* The modifiers to send for this key should be |
422 |
obtained from the local state. Currently, only |
423 |
shift is implemented. */ |
424 |
if (state & ShiftMask) |
425 |
{ |
426 |
tr.modifiers = MapLeftShiftMask; |
427 |
} |
428 |
|
429 |
DEBUG_KBD(("Sending guessed scancode 0x%x\n", tr.scancode)); |
430 |
} |
431 |
else |
432 |
{ |
433 |
DEBUG_KBD(("No good guess for keycode 0x%x found\n", keycode)); |
434 |
} |
435 |
|
436 |
return tr; |
437 |
} |
438 |
|
439 |
uint16 |
440 |
xkeymap_translate_button(unsigned int button) |
441 |
{ |
442 |
switch (button) |
443 |
{ |
444 |
case Button1: /* left */ |
445 |
return MOUSE_FLAG_BUTTON1; |
446 |
case Button2: /* middle */ |
447 |
return MOUSE_FLAG_BUTTON3; |
448 |
case Button3: /* right */ |
449 |
return MOUSE_FLAG_BUTTON2; |
450 |
case Button4: /* wheel up */ |
451 |
return MOUSE_FLAG_BUTTON4; |
452 |
case Button5: /* wheel down */ |
453 |
return MOUSE_FLAG_BUTTON5; |
454 |
} |
455 |
|
456 |
return 0; |
457 |
} |
458 |
|
459 |
char * |
460 |
get_ksname(uint32 keysym) |
461 |
{ |
462 |
char *ksname = NULL; |
463 |
|
464 |
if (keysym == NoSymbol) |
465 |
ksname = "NoSymbol"; |
466 |
else if (!(ksname = XKeysymToString(keysym))) |
467 |
ksname = "(no name)"; |
468 |
|
469 |
return ksname; |
470 |
} |
471 |
|
472 |
static BOOL |
473 |
is_modifier(uint8 scancode) |
474 |
{ |
475 |
switch (scancode) |
476 |
{ |
477 |
case SCANCODE_CHAR_LSHIFT: |
478 |
case SCANCODE_CHAR_RSHIFT: |
479 |
case SCANCODE_CHAR_LCTRL: |
480 |
case SCANCODE_CHAR_RCTRL: |
481 |
case SCANCODE_CHAR_LALT: |
482 |
case SCANCODE_CHAR_RALT: |
483 |
case SCANCODE_CHAR_LWIN: |
484 |
case SCANCODE_CHAR_RWIN: |
485 |
case SCANCODE_CHAR_NUMLOCK: |
486 |
return True; |
487 |
default: |
488 |
break; |
489 |
} |
490 |
return False; |
491 |
} |
492 |
|
493 |
void |
494 |
save_remote_modifiers(uint8 scancode) |
495 |
{ |
496 |
if (is_modifier(scancode)) |
497 |
return; |
498 |
|
499 |
saved_remote_modifier_state = remote_modifier_state; |
500 |
} |
501 |
|
502 |
void |
503 |
restore_remote_modifiers(uint32 ev_time, uint8 scancode) |
504 |
{ |
505 |
key_translation dummy; |
506 |
|
507 |
if (is_modifier(scancode)) |
508 |
return; |
509 |
|
510 |
dummy.scancode = 0; |
511 |
dummy.modifiers = saved_remote_modifier_state; |
512 |
ensure_remote_modifiers(ev_time, dummy); |
513 |
} |
514 |
|
515 |
void |
516 |
ensure_remote_modifiers(uint32 ev_time, key_translation tr) |
517 |
{ |
518 |
/* If this key is a modifier, do nothing */ |
519 |
if (is_modifier(tr.scancode)) |
520 |
return; |
521 |
|
522 |
if (!g_numlock_sync) |
523 |
{ |
524 |
/* NumLock */ |
525 |
if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask) |
526 |
!= MASK_HAS_BITS(remote_modifier_state, MapNumLockMask)) |
527 |
{ |
528 |
/* The remote modifier state is not correct */ |
529 |
uint16 new_remote_state; |
530 |
|
531 |
if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask)) |
532 |
{ |
533 |
DEBUG_KBD(("Remote NumLock state is incorrect, activating NumLock.\n")); |
534 |
new_remote_state = KBD_FLAG_NUMLOCK; |
535 |
remote_modifier_state = MapNumLockMask; |
536 |
} |
537 |
else |
538 |
{ |
539 |
DEBUG_KBD(("Remote NumLock state is incorrect, deactivating NumLock.\n")); |
540 |
new_remote_state = 0; |
541 |
remote_modifier_state = 0; |
542 |
} |
543 |
|
544 |
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, new_remote_state, 0); |
545 |
} |
546 |
} |
547 |
|
548 |
|
549 |
/* Shift. Left shift and right shift are treated as equal; either is fine. */ |
550 |
if (MASK_HAS_BITS(tr.modifiers, MapShiftMask) |
551 |
!= MASK_HAS_BITS(remote_modifier_state, MapShiftMask)) |
552 |
{ |
553 |
/* The remote modifier state is not correct */ |
554 |
if (MASK_HAS_BITS(tr.modifiers, MapLeftShiftMask)) |
555 |
{ |
556 |
/* Needs left shift. Send down. */ |
557 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_LSHIFT); |
558 |
} |
559 |
else if (MASK_HAS_BITS(tr.modifiers, MapRightShiftMask)) |
560 |
{ |
561 |
/* Needs right shift. Send down. */ |
562 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_RSHIFT); |
563 |
} |
564 |
else |
565 |
{ |
566 |
/* Should not use this modifier. Send up for shift currently pressed. */ |
567 |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask)) |
568 |
/* Left shift is down */ |
569 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT); |
570 |
else |
571 |
/* Right shift is down */ |
572 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT); |
573 |
} |
574 |
} |
575 |
|
576 |
/* AltGr */ |
577 |
if (MASK_HAS_BITS(tr.modifiers, MapAltGrMask) |
578 |
!= MASK_HAS_BITS(remote_modifier_state, MapAltGrMask)) |
579 |
{ |
580 |
/* The remote modifier state is not correct */ |
581 |
if (MASK_HAS_BITS(tr.modifiers, MapAltGrMask)) |
582 |
{ |
583 |
/* Needs this modifier. Send down. */ |
584 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_RALT); |
585 |
} |
586 |
else |
587 |
{ |
588 |
/* Should not use this modifier. Send up. */ |
589 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
590 |
} |
591 |
} |
592 |
|
593 |
|
594 |
} |
595 |
|
596 |
|
597 |
unsigned int |
598 |
read_keyboard_state() |
599 |
{ |
600 |
unsigned int state; |
601 |
Window wdummy; |
602 |
int dummy; |
603 |
|
604 |
XQueryPointer(g_display, g_wnd, &wdummy, &wdummy, &dummy, &dummy, &dummy, &dummy, &state); |
605 |
return state; |
606 |
} |
607 |
|
608 |
|
609 |
uint16 |
610 |
ui_get_numlock_state(unsigned int state) |
611 |
{ |
612 |
uint16 numlock_state = 0; |
613 |
|
614 |
if (get_key_state(state, XK_Num_Lock)) |
615 |
numlock_state = KBD_FLAG_NUMLOCK; |
616 |
|
617 |
return numlock_state; |
618 |
} |
619 |
|
620 |
|
621 |
void |
622 |
reset_modifier_keys() |
623 |
{ |
624 |
unsigned int state = read_keyboard_state(); |
625 |
|
626 |
/* reset keys */ |
627 |
uint32 ev_time; |
628 |
ev_time = time(NULL); |
629 |
|
630 |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask) |
631 |
&& !get_key_state(state, XK_Shift_L)) |
632 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT); |
633 |
|
634 |
if (MASK_HAS_BITS(remote_modifier_state, MapRightShiftMask) |
635 |
&& !get_key_state(state, XK_Shift_R)) |
636 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT); |
637 |
|
638 |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftCtrlMask) |
639 |
&& !get_key_state(state, XK_Control_L)) |
640 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
641 |
|
642 |
if (MASK_HAS_BITS(remote_modifier_state, MapRightCtrlMask) |
643 |
&& !get_key_state(state, XK_Control_R)) |
644 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL); |
645 |
|
646 |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftAltMask) && !get_key_state(state, XK_Alt_L)) |
647 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT); |
648 |
|
649 |
if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) && |
650 |
!get_key_state(state, XK_Alt_R) && !get_key_state(state, XK_Mode_switch)) |
651 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
652 |
|
653 |
reset_winkey(ev_time); |
654 |
|
655 |
if (g_numlock_sync) |
656 |
rdp_send_input(ev_time, RDP_INPUT_SYNCHRONIZE, 0, ui_get_numlock_state(state), 0); |
657 |
} |
658 |
|
659 |
|
660 |
static void |
661 |
update_modifier_state(uint8 scancode, BOOL pressed) |
662 |
{ |
663 |
#ifdef WITH_DEBUG_KBD |
664 |
uint16 old_modifier_state; |
665 |
|
666 |
old_modifier_state = remote_modifier_state; |
667 |
#endif |
668 |
|
669 |
switch (scancode) |
670 |
{ |
671 |
case SCANCODE_CHAR_LSHIFT: |
672 |
MASK_CHANGE_BIT(remote_modifier_state, MapLeftShiftMask, pressed); |
673 |
break; |
674 |
case SCANCODE_CHAR_RSHIFT: |
675 |
MASK_CHANGE_BIT(remote_modifier_state, MapRightShiftMask, pressed); |
676 |
break; |
677 |
case SCANCODE_CHAR_LCTRL: |
678 |
MASK_CHANGE_BIT(remote_modifier_state, MapLeftCtrlMask, pressed); |
679 |
break; |
680 |
case SCANCODE_CHAR_RCTRL: |
681 |
MASK_CHANGE_BIT(remote_modifier_state, MapRightCtrlMask, pressed); |
682 |
break; |
683 |
case SCANCODE_CHAR_LALT: |
684 |
MASK_CHANGE_BIT(remote_modifier_state, MapLeftAltMask, pressed); |
685 |
break; |
686 |
case SCANCODE_CHAR_RALT: |
687 |
MASK_CHANGE_BIT(remote_modifier_state, MapRightAltMask, pressed); |
688 |
break; |
689 |
case SCANCODE_CHAR_LWIN: |
690 |
MASK_CHANGE_BIT(remote_modifier_state, MapLeftWinMask, pressed); |
691 |
break; |
692 |
case SCANCODE_CHAR_RWIN: |
693 |
MASK_CHANGE_BIT(remote_modifier_state, MapRightWinMask, pressed); |
694 |
break; |
695 |
case SCANCODE_CHAR_NUMLOCK: |
696 |
/* KeyReleases for NumLocks are sent immediately. Toggle the |
697 |
modifier state only on Keypress */ |
698 |
if (pressed && !g_numlock_sync) |
699 |
{ |
700 |
BOOL newNumLockState; |
701 |
newNumLockState = |
702 |
(MASK_HAS_BITS |
703 |
(remote_modifier_state, MapNumLockMask) == False); |
704 |
MASK_CHANGE_BIT(remote_modifier_state, |
705 |
MapNumLockMask, newNumLockState); |
706 |
} |
707 |
} |
708 |
|
709 |
#ifdef WITH_DEBUG_KBD |
710 |
if (old_modifier_state != remote_modifier_state) |
711 |
{ |
712 |
DEBUG_KBD(("Before updating modifier_state:0x%x, pressed=0x%x\n", |
713 |
old_modifier_state, pressed)); |
714 |
DEBUG_KBD(("After updating modifier_state:0x%x\n", remote_modifier_state)); |
715 |
} |
716 |
#endif |
717 |
|
718 |
} |
719 |
|
720 |
/* Send keyboard input */ |
721 |
void |
722 |
rdp_send_scancode(uint32 time, uint16 flags, uint8 scancode) |
723 |
{ |
724 |
update_modifier_state(scancode, !(flags & RDP_KEYRELEASE)); |
725 |
|
726 |
if (scancode & SCANCODE_EXTENDED) |
727 |
{ |
728 |
DEBUG_KBD(("Sending extended scancode=0x%x, flags=0x%x\n", |
729 |
scancode & ~SCANCODE_EXTENDED, flags)); |
730 |
rdp_send_input(time, RDP_INPUT_SCANCODE, flags | KBD_FLAG_EXT, |
731 |
scancode & ~SCANCODE_EXTENDED, 0); |
732 |
} |
733 |
else |
734 |
{ |
735 |
DEBUG_KBD(("Sending scancode=0x%x, flags=0x%x\n", scancode, flags)); |
736 |
rdp_send_input(time, RDP_INPUT_SCANCODE, flags, scancode, 0); |
737 |
} |
738 |
} |