1 |
/* |
2 |
rdesktop: A Remote Desktop Protocol client. |
3 |
User interface services - X keyboard mapping |
4 |
|
5 |
Copyright (C) Matthew Chapman 1999-2005 |
6 |
Copyright (C) Peter Astrand <peter@cendio.se> 2003 |
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|
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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> |
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#endif |
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|
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#include <ctype.h> |
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#include <limits.h> |
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#include <time.h> |
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#include <string.h> |
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#include "rdesktop.h" |
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#include "scancodes.h" |
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|
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#define KEYMAP_SIZE 0xffff+1 |
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#define KEYMAP_MASK 0xffff |
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#define KEYMAP_MAX_LINE_LENGTH 80 |
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|
41 |
extern Display *g_display; |
42 |
extern Window g_wnd; |
43 |
extern char keymapname[16]; |
44 |
extern int g_keylayout; |
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extern int g_win_button_size; |
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extern BOOL g_enable_compose; |
47 |
extern BOOL g_use_rdp5; |
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extern BOOL g_numlock_sync; |
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|
50 |
static BOOL keymap_loaded; |
51 |
static key_translation *keymap[KEYMAP_SIZE]; |
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static int min_keycode; |
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static uint16 remote_modifier_state = 0; |
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static uint16 saved_remote_modifier_state = 0; |
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|
56 |
static void update_modifier_state(uint8 scancode, BOOL pressed); |
57 |
|
58 |
/* Free key_translation structure, including linked list */ |
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static void |
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free_key_translation(key_translation * ptr) |
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{ |
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key_translation *next; |
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|
64 |
while (ptr) |
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{ |
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next = ptr->next; |
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xfree(ptr); |
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ptr = next; |
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} |
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} |
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|
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static void |
73 |
add_to_keymap(char *keyname, uint8 scancode, uint16 modifiers, char *mapname) |
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{ |
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KeySym keysym; |
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key_translation *tr; |
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|
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keysym = XStringToKeysym(keyname); |
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if (keysym == NoSymbol) |
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{ |
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DEBUG_KBD(("Bad keysym \"%s\" in keymap %s (ignoring)\n", keyname, mapname)); |
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return; |
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} |
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|
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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)); |
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|
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tr = (key_translation *) xmalloc(sizeof(key_translation)); |
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memset(tr, 0, sizeof(key_translation)); |
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tr->scancode = scancode; |
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tr->modifiers = modifiers; |
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free_key_translation(keymap[keysym & KEYMAP_MASK]); |
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keymap[keysym & KEYMAP_MASK] = tr; |
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|
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return; |
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} |
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|
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static void |
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add_sequence(char *rest, char *mapname) |
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{ |
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KeySym keysym; |
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key_translation *tr, **prev_next; |
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size_t chars; |
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char keyname[KEYMAP_MAX_LINE_LENGTH]; |
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|
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/* Skip over whitespace after the sequence keyword */ |
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chars = strspn(rest, " \t"); |
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rest += chars; |
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|
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/* Fetch the keysym name */ |
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chars = strcspn(rest, " \t\0"); |
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STRNCPY(keyname, rest, chars + 1); |
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rest += chars; |
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|
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keysym = XStringToKeysym(keyname); |
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if (keysym == NoSymbol) |
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{ |
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DEBUG_KBD(("Bad keysym \"%s\" in keymap %s (ignoring line)\n", keyname, mapname)); |
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return; |
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} |
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|
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|
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DEBUG_KBD(("Adding sequence for keysym (0x%lx, %s) -> ", keysym, keyname)); |
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|
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free_key_translation(keymap[keysym & KEYMAP_MASK]); |
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prev_next = &keymap[keysym & KEYMAP_MASK]; |
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|
128 |
while (*rest) |
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{ |
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/* Skip whitespace */ |
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chars = strspn(rest, " \t"); |
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rest += chars; |
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|
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/* Fetch the keysym name */ |
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chars = strcspn(rest, " \t\0"); |
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STRNCPY(keyname, rest, chars + 1); |
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rest += chars; |
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|
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keysym = XStringToKeysym(keyname); |
140 |
if (keysym == NoSymbol) |
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{ |
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DEBUG_KBD(("Bad keysym \"%s\" in keymap %s (ignoring line)\n", keyname, |
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mapname)); |
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return; |
145 |
} |
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|
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/* Allocate space for key_translation structure */ |
148 |
tr = (key_translation *) xmalloc(sizeof(key_translation)); |
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memset(tr, 0, sizeof(key_translation)); |
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*prev_next = tr; |
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prev_next = &tr->next; |
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tr->seq_keysym = keysym; |
153 |
|
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DEBUG_KBD(("0x%x, ", (unsigned int) keysym)); |
155 |
} |
156 |
DEBUG_KBD(("\n")); |
157 |
} |
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|
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void |
160 |
xkeymap_from_locale(const char *locale) |
161 |
{ |
162 |
char *str, *ptr; |
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FILE *fp; |
164 |
|
165 |
/* Create a working copy */ |
166 |
str = strdup(locale); |
167 |
if (str == NULL) |
168 |
{ |
169 |
perror("strdup"); |
170 |
exit(1); |
171 |
} |
172 |
|
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/* Truncate at dot and at */ |
174 |
ptr = strrchr(str, '.'); |
175 |
if (ptr) |
176 |
*ptr = '\0'; |
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ptr = strrchr(str, '@'); |
178 |
if (ptr) |
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*ptr = '\0'; |
180 |
|
181 |
/* Replace _ with - */ |
182 |
ptr = strrchr(str, '_'); |
183 |
if (ptr) |
184 |
*ptr = '-'; |
185 |
|
186 |
/* Convert to lowercase */ |
187 |
ptr = str; |
188 |
while (*ptr) |
189 |
{ |
190 |
*ptr = tolower((int) *ptr); |
191 |
ptr++; |
192 |
} |
193 |
|
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/* Try to open this keymap (da-dk) */ |
195 |
fp = xkeymap_open(str); |
196 |
if (fp == NULL) |
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{ |
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/* Truncate at dash */ |
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ptr = strrchr(str, '-'); |
200 |
if (ptr) |
201 |
*ptr = '\0'; |
202 |
|
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/* Try the short name (da) */ |
204 |
fp = xkeymap_open(str); |
205 |
} |
206 |
|
207 |
if (fp) |
208 |
{ |
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fclose(fp); |
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STRNCPY(keymapname, str, sizeof(keymapname)); |
211 |
fprintf(stderr, "Autoselected keyboard map %s.\n", keymapname); |
212 |
} |
213 |
} |
214 |
|
215 |
|
216 |
/* Joins two path components. The result should be freed with |
217 |
xfree(). */ |
218 |
static char * |
219 |
pathjoin(const char *a, const char *b) |
220 |
{ |
221 |
char *result; |
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result = xmalloc(PATH_MAX * 2 + 1); |
223 |
|
224 |
if (b[0] == '/') |
225 |
{ |
226 |
strncpy(result, b, PATH_MAX); |
227 |
} |
228 |
else |
229 |
{ |
230 |
strncpy(result, a, PATH_MAX); |
231 |
strcat(result, "/"); |
232 |
strncat(result, b, PATH_MAX); |
233 |
} |
234 |
return result; |
235 |
} |
236 |
|
237 |
/* Try to open a keymap with fopen() */ |
238 |
FILE * |
239 |
xkeymap_open(const char *filename) |
240 |
{ |
241 |
char *path1, *path2; |
242 |
char *home; |
243 |
FILE *fp; |
244 |
|
245 |
/* Try ~/.rdesktop/keymaps */ |
246 |
home = getenv("HOME"); |
247 |
if (home) |
248 |
{ |
249 |
path1 = pathjoin(home, ".rdesktop/keymaps"); |
250 |
path2 = pathjoin(path1, filename); |
251 |
xfree(path1); |
252 |
fp = fopen(path2, "r"); |
253 |
xfree(path2); |
254 |
if (fp) |
255 |
return fp; |
256 |
} |
257 |
|
258 |
/* Try KEYMAP_PATH */ |
259 |
path1 = pathjoin(KEYMAP_PATH, filename); |
260 |
fp = fopen(path1, "r"); |
261 |
xfree(path1); |
262 |
if (fp) |
263 |
return fp; |
264 |
|
265 |
/* Try current directory, in case we are running from the source |
266 |
tree */ |
267 |
path1 = pathjoin("keymaps", filename); |
268 |
fp = fopen(path1, "r"); |
269 |
xfree(path1); |
270 |
if (fp) |
271 |
return fp; |
272 |
|
273 |
return NULL; |
274 |
} |
275 |
|
276 |
static BOOL |
277 |
xkeymap_read(char *mapname) |
278 |
{ |
279 |
FILE *fp; |
280 |
char line[KEYMAP_MAX_LINE_LENGTH]; |
281 |
unsigned int line_num = 0; |
282 |
unsigned int line_length = 0; |
283 |
char *keyname, *p; |
284 |
char *line_rest; |
285 |
uint8 scancode; |
286 |
uint16 modifiers; |
287 |
|
288 |
fp = xkeymap_open(mapname); |
289 |
if (fp == NULL) |
290 |
{ |
291 |
error("Failed to open keymap %s\n", mapname); |
292 |
return False; |
293 |
} |
294 |
|
295 |
/* FIXME: More tolerant on white space */ |
296 |
while (fgets(line, sizeof(line), fp) != NULL) |
297 |
{ |
298 |
line_num++; |
299 |
|
300 |
/* Replace the \n with \0 */ |
301 |
p = strchr(line, '\n'); |
302 |
if (p != NULL) |
303 |
*p = 0; |
304 |
|
305 |
line_length = strlen(line); |
306 |
|
307 |
/* Completely empty line */ |
308 |
if (strspn(line, " \t\n\r\f\v") == line_length) |
309 |
{ |
310 |
continue; |
311 |
} |
312 |
|
313 |
/* Include */ |
314 |
if (strncmp(line, "include ", 8) == 0) |
315 |
{ |
316 |
if (!xkeymap_read(line + 8)) |
317 |
return False; |
318 |
continue; |
319 |
} |
320 |
|
321 |
/* map */ |
322 |
if (strncmp(line, "map ", 4) == 0) |
323 |
{ |
324 |
g_keylayout = strtol(line + 4, NULL, 16); |
325 |
DEBUG_KBD(("Keylayout 0x%x\n", g_keylayout)); |
326 |
continue; |
327 |
} |
328 |
|
329 |
/* compose */ |
330 |
if (strncmp(line, "enable_compose", 15) == 0) |
331 |
{ |
332 |
DEBUG_KBD(("Enabling compose handling\n")); |
333 |
g_enable_compose = True; |
334 |
continue; |
335 |
} |
336 |
|
337 |
/* sequence */ |
338 |
if (strncmp(line, "sequence", 8) == 0) |
339 |
{ |
340 |
add_sequence(line + 8, mapname); |
341 |
continue; |
342 |
} |
343 |
|
344 |
/* Comment */ |
345 |
if (line[0] == '#') |
346 |
{ |
347 |
continue; |
348 |
} |
349 |
|
350 |
/* Normal line */ |
351 |
keyname = line; |
352 |
p = strchr(line, ' '); |
353 |
if (p == NULL) |
354 |
{ |
355 |
error("Bad line %d in keymap %s\n", line_num, mapname); |
356 |
continue; |
357 |
} |
358 |
else |
359 |
{ |
360 |
*p = 0; |
361 |
} |
362 |
|
363 |
/* scancode */ |
364 |
p++; |
365 |
scancode = strtol(p, &line_rest, 16); |
366 |
|
367 |
/* flags */ |
368 |
/* FIXME: Should allow case-insensitive flag names. |
369 |
Fix by using lex+yacc... */ |
370 |
modifiers = 0; |
371 |
if (strstr(line_rest, "altgr")) |
372 |
{ |
373 |
MASK_ADD_BITS(modifiers, MapAltGrMask); |
374 |
} |
375 |
|
376 |
if (strstr(line_rest, "shift")) |
377 |
{ |
378 |
MASK_ADD_BITS(modifiers, MapLeftShiftMask); |
379 |
} |
380 |
|
381 |
if (strstr(line_rest, "numlock")) |
382 |
{ |
383 |
MASK_ADD_BITS(modifiers, MapNumLockMask); |
384 |
} |
385 |
|
386 |
if (strstr(line_rest, "localstate")) |
387 |
{ |
388 |
MASK_ADD_BITS(modifiers, MapLocalStateMask); |
389 |
} |
390 |
|
391 |
if (strstr(line_rest, "inhibit")) |
392 |
{ |
393 |
MASK_ADD_BITS(modifiers, MapInhibitMask); |
394 |
} |
395 |
|
396 |
add_to_keymap(keyname, scancode, modifiers, mapname); |
397 |
|
398 |
if (strstr(line_rest, "addupper")) |
399 |
{ |
400 |
/* Automatically add uppercase key, with same modifiers |
401 |
plus shift */ |
402 |
for (p = keyname; *p; p++) |
403 |
*p = toupper((int) *p); |
404 |
MASK_ADD_BITS(modifiers, MapLeftShiftMask); |
405 |
add_to_keymap(keyname, scancode, modifiers, mapname); |
406 |
} |
407 |
} |
408 |
|
409 |
fclose(fp); |
410 |
return True; |
411 |
} |
412 |
|
413 |
|
414 |
/* Before connecting and creating UI */ |
415 |
void |
416 |
xkeymap_init(void) |
417 |
{ |
418 |
unsigned int max_keycode; |
419 |
|
420 |
if (strcmp(keymapname, "none")) |
421 |
{ |
422 |
if (xkeymap_read(keymapname)) |
423 |
keymap_loaded = True; |
424 |
} |
425 |
|
426 |
XDisplayKeycodes(g_display, &min_keycode, (int *) &max_keycode); |
427 |
} |
428 |
|
429 |
static void |
430 |
send_winkey(uint32 ev_time, BOOL pressed, BOOL leftkey) |
431 |
{ |
432 |
uint8 winkey; |
433 |
|
434 |
if (leftkey) |
435 |
winkey = SCANCODE_CHAR_LWIN; |
436 |
else |
437 |
winkey = SCANCODE_CHAR_RWIN; |
438 |
|
439 |
if (pressed) |
440 |
{ |
441 |
if (g_use_rdp5) |
442 |
{ |
443 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, winkey); |
444 |
} |
445 |
else |
446 |
{ |
447 |
/* RDP4 doesn't support winkey. Fake with Ctrl-Esc */ |
448 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_LCTRL); |
449 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_ESC); |
450 |
} |
451 |
} |
452 |
else |
453 |
{ |
454 |
/* key released */ |
455 |
if (g_use_rdp5) |
456 |
{ |
457 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, winkey); |
458 |
} |
459 |
else |
460 |
{ |
461 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_ESC); |
462 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
463 |
} |
464 |
} |
465 |
} |
466 |
|
467 |
static void |
468 |
reset_winkey(uint32 ev_time) |
469 |
{ |
470 |
if (g_use_rdp5) |
471 |
{ |
472 |
/* For some reason, it seems to suffice to release |
473 |
*either* the left or right winkey. */ |
474 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LWIN); |
475 |
} |
476 |
} |
477 |
|
478 |
/* Handle special key combinations */ |
479 |
BOOL |
480 |
handle_special_keys(uint32 keysym, unsigned int state, uint32 ev_time, BOOL pressed) |
481 |
{ |
482 |
switch (keysym) |
483 |
{ |
484 |
case XK_Return: |
485 |
if ((get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R)) |
486 |
&& (get_key_state(state, XK_Control_L) |
487 |
|| get_key_state(state, XK_Control_R))) |
488 |
{ |
489 |
/* Ctrl-Alt-Enter: toggle full screen */ |
490 |
if (pressed) |
491 |
xwin_toggle_fullscreen(); |
492 |
return True; |
493 |
} |
494 |
break; |
495 |
|
496 |
case XK_Break: |
497 |
/* Send Break sequence E0 46 E0 C6 */ |
498 |
if (pressed) |
499 |
{ |
500 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, |
501 |
(SCANCODE_EXTENDED | 0x46)); |
502 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, |
503 |
(SCANCODE_EXTENDED | 0xc6)); |
504 |
} |
505 |
/* No release sequence */ |
506 |
return True; |
507 |
break; |
508 |
|
509 |
case XK_Pause: |
510 |
/* According to MS Keyboard Scan Code |
511 |
Specification, pressing Pause should result |
512 |
in E1 1D 45 E1 9D C5. I'm not exactly sure |
513 |
of how this is supposed to be sent via |
514 |
RDP. The code below seems to work, but with |
515 |
the side effect that Left Ctrl stays |
516 |
down. Therefore, we release it when Pause |
517 |
is released. */ |
518 |
if (pressed) |
519 |
{ |
520 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xe1, 0); |
521 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x1d, 0); |
522 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x45, 0); |
523 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xe1, 0); |
524 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x9d, 0); |
525 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xc5, 0); |
526 |
} |
527 |
else |
528 |
{ |
529 |
/* Release Left Ctrl */ |
530 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYRELEASE, |
531 |
0x1d, 0); |
532 |
} |
533 |
return True; |
534 |
break; |
535 |
|
536 |
case XK_Meta_L: /* Windows keys */ |
537 |
case XK_Super_L: |
538 |
case XK_Hyper_L: |
539 |
send_winkey(ev_time, pressed, True); |
540 |
return True; |
541 |
break; |
542 |
|
543 |
case XK_Meta_R: |
544 |
case XK_Super_R: |
545 |
case XK_Hyper_R: |
546 |
send_winkey(ev_time, pressed, False); |
547 |
return True; |
548 |
break; |
549 |
|
550 |
case XK_space: |
551 |
/* Prevent access to the Windows system menu in single app mode */ |
552 |
if (g_win_button_size |
553 |
&& (get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R))) |
554 |
return True; |
555 |
break; |
556 |
|
557 |
case XK_Num_Lock: |
558 |
/* Synchronize on key release */ |
559 |
if (g_numlock_sync && !pressed) |
560 |
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, |
561 |
ui_get_numlock_state(read_keyboard_state()), 0); |
562 |
|
563 |
/* Inhibit */ |
564 |
return True; |
565 |
break; |
566 |
|
567 |
} |
568 |
return False; |
569 |
} |
570 |
|
571 |
|
572 |
key_translation |
573 |
xkeymap_translate_key(uint32 keysym, unsigned int keycode, unsigned int state) |
574 |
{ |
575 |
key_translation tr = { 0, 0, 0, 0 }; |
576 |
key_translation *ptr; |
577 |
|
578 |
ptr = keymap[keysym & KEYMAP_MASK]; |
579 |
if (ptr) |
580 |
{ |
581 |
tr = *ptr; |
582 |
if (tr.seq_keysym == 0) /* Normal scancode translation */ |
583 |
{ |
584 |
if (tr.modifiers & MapInhibitMask) |
585 |
{ |
586 |
DEBUG_KBD(("Inhibiting key\n")); |
587 |
tr.scancode = 0; |
588 |
return tr; |
589 |
} |
590 |
|
591 |
if (tr.modifiers & MapLocalStateMask) |
592 |
{ |
593 |
/* The modifiers to send for this key should be obtained |
594 |
from the local state. Currently, only shift is implemented. */ |
595 |
if (state & ShiftMask) |
596 |
{ |
597 |
tr.modifiers = MapLeftShiftMask; |
598 |
} |
599 |
} |
600 |
|
601 |
if ((tr.modifiers & MapLeftShiftMask) |
602 |
&& ((remote_modifier_state & MapLeftCtrlMask) |
603 |
|| (remote_modifier_state & MapRightCtrlMask)) |
604 |
&& get_key_state(state, XK_Caps_Lock)) |
605 |
{ |
606 |
DEBUG_KBD(("CapsLock + Ctrl pressed, releasing LeftShift\n")); |
607 |
tr.modifiers ^= MapLeftShiftMask; |
608 |
} |
609 |
|
610 |
DEBUG_KBD(("Found scancode translation, scancode=0x%x, modifiers=0x%x\n", |
611 |
tr.scancode, tr.modifiers)); |
612 |
} |
613 |
} |
614 |
else |
615 |
{ |
616 |
if (keymap_loaded) |
617 |
warning("No translation for (keysym 0x%lx, %s)\n", keysym, |
618 |
get_ksname(keysym)); |
619 |
|
620 |
/* not in keymap, try to interpret the raw scancode */ |
621 |
if (((int) keycode >= min_keycode) && (keycode <= 0x60)) |
622 |
{ |
623 |
tr.scancode = keycode - min_keycode; |
624 |
|
625 |
/* The modifiers to send for this key should be |
626 |
obtained from the local state. Currently, only |
627 |
shift is implemented. */ |
628 |
if (state & ShiftMask) |
629 |
{ |
630 |
tr.modifiers = MapLeftShiftMask; |
631 |
} |
632 |
|
633 |
DEBUG_KBD(("Sending guessed scancode 0x%x\n", tr.scancode)); |
634 |
} |
635 |
else |
636 |
{ |
637 |
DEBUG_KBD(("No good guess for keycode 0x%x found\n", keycode)); |
638 |
} |
639 |
} |
640 |
|
641 |
return tr; |
642 |
} |
643 |
|
644 |
void |
645 |
xkeymap_send_keys(uint32 keysym, unsigned int keycode, unsigned int state, uint32 ev_time, |
646 |
BOOL pressed) |
647 |
{ |
648 |
key_translation tr, *ptr; |
649 |
tr = xkeymap_translate_key(keysym, keycode, state); |
650 |
|
651 |
if (tr.seq_keysym == 0) |
652 |
{ |
653 |
/* Scancode translation */ |
654 |
if (tr.scancode == 0) |
655 |
return; |
656 |
|
657 |
if (pressed) |
658 |
{ |
659 |
save_remote_modifiers(tr.scancode); |
660 |
ensure_remote_modifiers(ev_time, tr); |
661 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, tr.scancode); |
662 |
restore_remote_modifiers(ev_time, tr.scancode); |
663 |
} |
664 |
else |
665 |
{ |
666 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, tr.scancode); |
667 |
} |
668 |
return; |
669 |
} |
670 |
|
671 |
/* Sequence, only on key down */ |
672 |
if (pressed) |
673 |
{ |
674 |
ptr = &tr; |
675 |
do |
676 |
{ |
677 |
DEBUG_KBD(("Handling sequence element, keysym=0x%x\n", |
678 |
(unsigned int) ptr->seq_keysym)); |
679 |
xkeymap_send_keys(ptr->seq_keysym, keycode, state, ev_time, True); |
680 |
xkeymap_send_keys(ptr->seq_keysym, keycode, state, ev_time, False); |
681 |
ptr = ptr->next; |
682 |
} |
683 |
while (ptr); |
684 |
} |
685 |
} |
686 |
|
687 |
uint16 |
688 |
xkeymap_translate_button(unsigned int button) |
689 |
{ |
690 |
switch (button) |
691 |
{ |
692 |
case Button1: /* left */ |
693 |
return MOUSE_FLAG_BUTTON1; |
694 |
case Button2: /* middle */ |
695 |
return MOUSE_FLAG_BUTTON3; |
696 |
case Button3: /* right */ |
697 |
return MOUSE_FLAG_BUTTON2; |
698 |
case Button4: /* wheel up */ |
699 |
return MOUSE_FLAG_BUTTON4; |
700 |
case Button5: /* wheel down */ |
701 |
return MOUSE_FLAG_BUTTON5; |
702 |
} |
703 |
|
704 |
return 0; |
705 |
} |
706 |
|
707 |
char * |
708 |
get_ksname(uint32 keysym) |
709 |
{ |
710 |
char *ksname = NULL; |
711 |
|
712 |
if (keysym == NoSymbol) |
713 |
ksname = "NoSymbol"; |
714 |
else if (!(ksname = XKeysymToString(keysym))) |
715 |
ksname = "(no name)"; |
716 |
|
717 |
return ksname; |
718 |
} |
719 |
|
720 |
static BOOL |
721 |
is_modifier(uint8 scancode) |
722 |
{ |
723 |
switch (scancode) |
724 |
{ |
725 |
case SCANCODE_CHAR_LSHIFT: |
726 |
case SCANCODE_CHAR_RSHIFT: |
727 |
case SCANCODE_CHAR_LCTRL: |
728 |
case SCANCODE_CHAR_RCTRL: |
729 |
case SCANCODE_CHAR_LALT: |
730 |
case SCANCODE_CHAR_RALT: |
731 |
case SCANCODE_CHAR_LWIN: |
732 |
case SCANCODE_CHAR_RWIN: |
733 |
case SCANCODE_CHAR_NUMLOCK: |
734 |
return True; |
735 |
default: |
736 |
break; |
737 |
} |
738 |
return False; |
739 |
} |
740 |
|
741 |
void |
742 |
save_remote_modifiers(uint8 scancode) |
743 |
{ |
744 |
if (is_modifier(scancode)) |
745 |
return; |
746 |
|
747 |
saved_remote_modifier_state = remote_modifier_state; |
748 |
} |
749 |
|
750 |
void |
751 |
restore_remote_modifiers(uint32 ev_time, uint8 scancode) |
752 |
{ |
753 |
key_translation dummy; |
754 |
|
755 |
if (is_modifier(scancode)) |
756 |
return; |
757 |
|
758 |
dummy.scancode = 0; |
759 |
dummy.modifiers = saved_remote_modifier_state; |
760 |
ensure_remote_modifiers(ev_time, dummy); |
761 |
} |
762 |
|
763 |
void |
764 |
ensure_remote_modifiers(uint32 ev_time, key_translation tr) |
765 |
{ |
766 |
/* If this key is a modifier, do nothing */ |
767 |
if (is_modifier(tr.scancode)) |
768 |
return; |
769 |
|
770 |
if (!g_numlock_sync) |
771 |
{ |
772 |
/* NumLock */ |
773 |
if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask) |
774 |
!= MASK_HAS_BITS(remote_modifier_state, MapNumLockMask)) |
775 |
{ |
776 |
/* The remote modifier state is not correct */ |
777 |
uint16 new_remote_state; |
778 |
|
779 |
if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask)) |
780 |
{ |
781 |
DEBUG_KBD(("Remote NumLock state is incorrect, activating NumLock.\n")); |
782 |
new_remote_state = KBD_FLAG_NUMLOCK; |
783 |
remote_modifier_state = MapNumLockMask; |
784 |
} |
785 |
else |
786 |
{ |
787 |
DEBUG_KBD(("Remote NumLock state is incorrect, deactivating NumLock.\n")); |
788 |
new_remote_state = 0; |
789 |
remote_modifier_state = 0; |
790 |
} |
791 |
|
792 |
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, new_remote_state, 0); |
793 |
} |
794 |
} |
795 |
|
796 |
|
797 |
/* Shift. Left shift and right shift are treated as equal; either is fine. */ |
798 |
if (MASK_HAS_BITS(tr.modifiers, MapShiftMask) |
799 |
!= MASK_HAS_BITS(remote_modifier_state, MapShiftMask)) |
800 |
{ |
801 |
/* The remote modifier state is not correct */ |
802 |
if (MASK_HAS_BITS(tr.modifiers, MapLeftShiftMask)) |
803 |
{ |
804 |
/* Needs left shift. Send down. */ |
805 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_LSHIFT); |
806 |
} |
807 |
else if (MASK_HAS_BITS(tr.modifiers, MapRightShiftMask)) |
808 |
{ |
809 |
/* Needs right shift. Send down. */ |
810 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_RSHIFT); |
811 |
} |
812 |
else |
813 |
{ |
814 |
/* Should not use this modifier. Send up for shift currently pressed. */ |
815 |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask)) |
816 |
/* Left shift is down */ |
817 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT); |
818 |
else |
819 |
/* Right shift is down */ |
820 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT); |
821 |
} |
822 |
} |
823 |
|
824 |
/* AltGr */ |
825 |
if (MASK_HAS_BITS(tr.modifiers, MapAltGrMask) |
826 |
!= MASK_HAS_BITS(remote_modifier_state, MapAltGrMask)) |
827 |
{ |
828 |
/* The remote modifier state is not correct */ |
829 |
if (MASK_HAS_BITS(tr.modifiers, MapAltGrMask)) |
830 |
{ |
831 |
/* Needs this modifier. Send down. */ |
832 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_RALT); |
833 |
} |
834 |
else |
835 |
{ |
836 |
/* Should not use this modifier. Send up. */ |
837 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
838 |
} |
839 |
} |
840 |
|
841 |
|
842 |
} |
843 |
|
844 |
|
845 |
unsigned int |
846 |
read_keyboard_state() |
847 |
{ |
848 |
#ifdef RDP2VNC |
849 |
return 0; |
850 |
#else |
851 |
unsigned int state; |
852 |
Window wdummy; |
853 |
int dummy; |
854 |
|
855 |
XQueryPointer(g_display, g_wnd, &wdummy, &wdummy, &dummy, &dummy, &dummy, &dummy, &state); |
856 |
return state; |
857 |
#endif |
858 |
} |
859 |
|
860 |
|
861 |
uint16 |
862 |
ui_get_numlock_state(unsigned int state) |
863 |
{ |
864 |
uint16 numlock_state = 0; |
865 |
|
866 |
if (get_key_state(state, XK_Num_Lock)) |
867 |
numlock_state = KBD_FLAG_NUMLOCK; |
868 |
|
869 |
return numlock_state; |
870 |
} |
871 |
|
872 |
|
873 |
void |
874 |
reset_modifier_keys() |
875 |
{ |
876 |
unsigned int state = read_keyboard_state(); |
877 |
|
878 |
/* reset keys */ |
879 |
uint32 ev_time; |
880 |
ev_time = time(NULL); |
881 |
|
882 |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask) |
883 |
&& !get_key_state(state, XK_Shift_L)) |
884 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT); |
885 |
|
886 |
if (MASK_HAS_BITS(remote_modifier_state, MapRightShiftMask) |
887 |
&& !get_key_state(state, XK_Shift_R)) |
888 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT); |
889 |
|
890 |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftCtrlMask) |
891 |
&& !get_key_state(state, XK_Control_L)) |
892 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
893 |
|
894 |
if (MASK_HAS_BITS(remote_modifier_state, MapRightCtrlMask) |
895 |
&& !get_key_state(state, XK_Control_R)) |
896 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL); |
897 |
|
898 |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftAltMask) && !get_key_state(state, XK_Alt_L)) |
899 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT); |
900 |
|
901 |
if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) && |
902 |
!get_key_state(state, XK_Alt_R) && !get_key_state(state, XK_Mode_switch) |
903 |
&& !get_key_state(state, XK_ISO_Level3_Shift)) |
904 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
905 |
|
906 |
reset_winkey(ev_time); |
907 |
|
908 |
if (g_numlock_sync) |
909 |
rdp_send_input(ev_time, RDP_INPUT_SYNCHRONIZE, 0, ui_get_numlock_state(state), 0); |
910 |
} |
911 |
|
912 |
|
913 |
static void |
914 |
update_modifier_state(uint8 scancode, BOOL pressed) |
915 |
{ |
916 |
#ifdef WITH_DEBUG_KBD |
917 |
uint16 old_modifier_state; |
918 |
|
919 |
old_modifier_state = remote_modifier_state; |
920 |
#endif |
921 |
|
922 |
switch (scancode) |
923 |
{ |
924 |
case SCANCODE_CHAR_LSHIFT: |
925 |
MASK_CHANGE_BIT(remote_modifier_state, MapLeftShiftMask, pressed); |
926 |
break; |
927 |
case SCANCODE_CHAR_RSHIFT: |
928 |
MASK_CHANGE_BIT(remote_modifier_state, MapRightShiftMask, pressed); |
929 |
break; |
930 |
case SCANCODE_CHAR_LCTRL: |
931 |
MASK_CHANGE_BIT(remote_modifier_state, MapLeftCtrlMask, pressed); |
932 |
break; |
933 |
case SCANCODE_CHAR_RCTRL: |
934 |
MASK_CHANGE_BIT(remote_modifier_state, MapRightCtrlMask, pressed); |
935 |
break; |
936 |
case SCANCODE_CHAR_LALT: |
937 |
MASK_CHANGE_BIT(remote_modifier_state, MapLeftAltMask, pressed); |
938 |
break; |
939 |
case SCANCODE_CHAR_RALT: |
940 |
MASK_CHANGE_BIT(remote_modifier_state, MapRightAltMask, pressed); |
941 |
break; |
942 |
case SCANCODE_CHAR_LWIN: |
943 |
MASK_CHANGE_BIT(remote_modifier_state, MapLeftWinMask, pressed); |
944 |
break; |
945 |
case SCANCODE_CHAR_RWIN: |
946 |
MASK_CHANGE_BIT(remote_modifier_state, MapRightWinMask, pressed); |
947 |
break; |
948 |
case SCANCODE_CHAR_NUMLOCK: |
949 |
/* KeyReleases for NumLocks are sent immediately. Toggle the |
950 |
modifier state only on Keypress */ |
951 |
if (pressed && !g_numlock_sync) |
952 |
{ |
953 |
BOOL newNumLockState; |
954 |
newNumLockState = |
955 |
(MASK_HAS_BITS |
956 |
(remote_modifier_state, MapNumLockMask) == False); |
957 |
MASK_CHANGE_BIT(remote_modifier_state, |
958 |
MapNumLockMask, newNumLockState); |
959 |
} |
960 |
} |
961 |
|
962 |
#ifdef WITH_DEBUG_KBD |
963 |
if (old_modifier_state != remote_modifier_state) |
964 |
{ |
965 |
DEBUG_KBD(("Before updating modifier_state:0x%x, pressed=0x%x\n", |
966 |
old_modifier_state, pressed)); |
967 |
DEBUG_KBD(("After updating modifier_state:0x%x\n", remote_modifier_state)); |
968 |
} |
969 |
#endif |
970 |
|
971 |
} |
972 |
|
973 |
/* Send keyboard input */ |
974 |
void |
975 |
rdp_send_scancode(uint32 time, uint16 flags, uint8 scancode) |
976 |
{ |
977 |
update_modifier_state(scancode, !(flags & RDP_KEYRELEASE)); |
978 |
|
979 |
if (scancode & SCANCODE_EXTENDED) |
980 |
{ |
981 |
DEBUG_KBD(("Sending extended scancode=0x%x, flags=0x%x\n", |
982 |
scancode & ~SCANCODE_EXTENDED, flags)); |
983 |
rdp_send_input(time, RDP_INPUT_SCANCODE, flags | KBD_FLAG_EXT, |
984 |
scancode & ~SCANCODE_EXTENDED, 0); |
985 |
} |
986 |
else |
987 |
{ |
988 |
DEBUG_KBD(("Sending scancode=0x%x, flags=0x%x\n", scancode, flags)); |
989 |
rdp_send_input(time, RDP_INPUT_SCANCODE, flags, scancode, 0); |
990 |
} |
991 |
} |