1 |
/* -*- c-basic-offset: 8 -*- |
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rdesktop: A Remote Desktop Protocol client. |
3 |
User interface services - X keyboard mapping |
4 |
|
5 |
Copyright (C) Matthew Chapman 1999-2007 |
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Copyright (C) Peter Astrand <peter@cendio.se> 2003-2007 |
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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 |
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(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 |
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#include "vnc/x11stubs.h" |
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#else |
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#include <X11/Xlib.h> |
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#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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|
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extern Display *g_display; |
42 |
extern Window g_wnd; |
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extern char g_keymapname[16]; |
44 |
extern unsigned int g_keylayout; |
45 |
extern int g_keyboard_type; |
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extern int g_keyboard_subtype; |
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extern int g_keyboard_functionkeys; |
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extern int g_win_button_size; |
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extern BOOL g_enable_compose; |
50 |
extern BOOL g_use_rdp5; |
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extern BOOL g_numlock_sync; |
52 |
|
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static BOOL keymap_loaded; |
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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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|
59 |
static void update_modifier_state(uint8 scancode, BOOL pressed); |
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|
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/* 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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|
67 |
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 |
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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 |
102 |
add_sequence(char *rest, char *mapname) |
103 |
{ |
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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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|
109 |
/* 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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|
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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); |
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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, |
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mapname)); |
147 |
return; |
148 |
} |
149 |
|
150 |
/* Allocate space for key_translation structure */ |
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tr = (key_translation *) xmalloc(sizeof(key_translation)); |
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memset(tr, 0, sizeof(key_translation)); |
153 |
*prev_next = tr; |
154 |
prev_next = &tr->next; |
155 |
tr->seq_keysym = keysym; |
156 |
|
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DEBUG_KBD(("0x%x, ", (unsigned int) keysym)); |
158 |
} |
159 |
DEBUG_KBD(("\n")); |
160 |
} |
161 |
|
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BOOL |
163 |
xkeymap_from_locale(const char *locale) |
164 |
{ |
165 |
char *str, *ptr; |
166 |
FILE *fp; |
167 |
|
168 |
/* Create a working copy */ |
169 |
str = xstrdup(locale); |
170 |
|
171 |
/* Truncate at dot and at */ |
172 |
ptr = strrchr(str, '.'); |
173 |
if (ptr) |
174 |
*ptr = '\0'; |
175 |
ptr = strrchr(str, '@'); |
176 |
if (ptr) |
177 |
*ptr = '\0'; |
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|
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/* Replace _ with - */ |
180 |
ptr = strrchr(str, '_'); |
181 |
if (ptr) |
182 |
*ptr = '-'; |
183 |
|
184 |
/* Convert to lowercase */ |
185 |
ptr = str; |
186 |
while (*ptr) |
187 |
{ |
188 |
*ptr = tolower((int) *ptr); |
189 |
ptr++; |
190 |
} |
191 |
|
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/* Try to open this keymap (da-dk) */ |
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fp = xkeymap_open(str); |
194 |
if (fp == NULL) |
195 |
{ |
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/* Truncate at dash */ |
197 |
ptr = strrchr(str, '-'); |
198 |
if (ptr) |
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*ptr = '\0'; |
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|
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/* Try the short name (da) */ |
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fp = xkeymap_open(str); |
203 |
} |
204 |
|
205 |
if (fp) |
206 |
{ |
207 |
fclose(fp); |
208 |
STRNCPY(g_keymapname, str, sizeof(g_keymapname)); |
209 |
xfree(str); |
210 |
return True; |
211 |
} |
212 |
|
213 |
xfree(str); |
214 |
return False; |
215 |
} |
216 |
|
217 |
|
218 |
/* Joins two path components. The result should be freed with |
219 |
xfree(). */ |
220 |
static char * |
221 |
pathjoin(const char *a, const char *b) |
222 |
{ |
223 |
char *result; |
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result = xmalloc(PATH_MAX * 2 + 1); |
225 |
|
226 |
if (b[0] == '/') |
227 |
{ |
228 |
strncpy(result, b, PATH_MAX); |
229 |
} |
230 |
else |
231 |
{ |
232 |
strncpy(result, a, PATH_MAX); |
233 |
strcat(result, "/"); |
234 |
strncat(result, b, PATH_MAX); |
235 |
} |
236 |
return result; |
237 |
} |
238 |
|
239 |
/* Try to open a keymap with fopen() */ |
240 |
FILE * |
241 |
xkeymap_open(const char *filename) |
242 |
{ |
243 |
char *path1, *path2; |
244 |
char *home; |
245 |
FILE *fp; |
246 |
|
247 |
/* Try ~/.rdesktop/keymaps */ |
248 |
home = getenv("HOME"); |
249 |
if (home) |
250 |
{ |
251 |
path1 = pathjoin(home, ".rdesktop/keymaps"); |
252 |
path2 = pathjoin(path1, filename); |
253 |
xfree(path1); |
254 |
fp = fopen(path2, "r"); |
255 |
xfree(path2); |
256 |
if (fp) |
257 |
return fp; |
258 |
} |
259 |
|
260 |
/* Try KEYMAP_PATH */ |
261 |
path1 = pathjoin(KEYMAP_PATH, filename); |
262 |
fp = fopen(path1, "r"); |
263 |
xfree(path1); |
264 |
if (fp) |
265 |
return fp; |
266 |
|
267 |
/* Try current directory, in case we are running from the source |
268 |
tree */ |
269 |
path1 = pathjoin("keymaps", filename); |
270 |
fp = fopen(path1, "r"); |
271 |
xfree(path1); |
272 |
if (fp) |
273 |
return fp; |
274 |
|
275 |
return NULL; |
276 |
} |
277 |
|
278 |
static BOOL |
279 |
xkeymap_read(char *mapname) |
280 |
{ |
281 |
FILE *fp; |
282 |
char line[KEYMAP_MAX_LINE_LENGTH]; |
283 |
unsigned int line_num = 0; |
284 |
unsigned int line_length = 0; |
285 |
char *keyname, *p; |
286 |
char *line_rest; |
287 |
uint8 scancode; |
288 |
uint16 modifiers; |
289 |
|
290 |
fp = xkeymap_open(mapname); |
291 |
if (fp == NULL) |
292 |
{ |
293 |
error("Failed to open keymap %s\n", mapname); |
294 |
return False; |
295 |
} |
296 |
|
297 |
/* FIXME: More tolerant on white space */ |
298 |
while (fgets(line, sizeof(line), fp) != NULL) |
299 |
{ |
300 |
line_num++; |
301 |
|
302 |
/* Replace the \n with \0 */ |
303 |
p = strchr(line, '\n'); |
304 |
if (p != NULL) |
305 |
*p = 0; |
306 |
|
307 |
line_length = strlen(line); |
308 |
|
309 |
/* Completely empty line */ |
310 |
if (strspn(line, " \t\n\r\f\v") == line_length) |
311 |
{ |
312 |
continue; |
313 |
} |
314 |
|
315 |
/* Include */ |
316 |
if (str_startswith(line, "include ")) |
317 |
{ |
318 |
if (!xkeymap_read(line + sizeof("include ") - 1)) |
319 |
return False; |
320 |
continue; |
321 |
} |
322 |
|
323 |
/* map */ |
324 |
if (str_startswith(line, "map ")) |
325 |
{ |
326 |
g_keylayout = strtoul(line + sizeof("map ") - 1, NULL, 16); |
327 |
DEBUG_KBD(("Keylayout 0x%x\n", g_keylayout)); |
328 |
continue; |
329 |
} |
330 |
|
331 |
/* compose */ |
332 |
if (str_startswith(line, "enable_compose")) |
333 |
{ |
334 |
DEBUG_KBD(("Enabling compose handling\n")); |
335 |
g_enable_compose = True; |
336 |
continue; |
337 |
} |
338 |
|
339 |
/* sequence */ |
340 |
if (str_startswith(line, "sequence")) |
341 |
{ |
342 |
add_sequence(line + sizeof("sequence") - 1, mapname); |
343 |
continue; |
344 |
} |
345 |
|
346 |
/* keyboard_type */ |
347 |
if (str_startswith(line, "keyboard_type ")) |
348 |
{ |
349 |
g_keyboard_type = strtol(line + sizeof("keyboard_type ") - 1, NULL, 16); |
350 |
DEBUG_KBD(("keyboard_type 0x%x\n", g_keyboard_type)); |
351 |
continue; |
352 |
} |
353 |
|
354 |
/* keyboard_subtype */ |
355 |
if (str_startswith(line, "keyboard_subtype ")) |
356 |
{ |
357 |
g_keyboard_subtype = |
358 |
strtol(line + sizeof("keyboard_subtype ") - 1, NULL, 16); |
359 |
DEBUG_KBD(("keyboard_subtype 0x%x\n", g_keyboard_subtype)); |
360 |
continue; |
361 |
} |
362 |
|
363 |
/* keyboard_functionkeys */ |
364 |
if (str_startswith(line, "keyboard_functionkeys ")) |
365 |
{ |
366 |
g_keyboard_functionkeys = |
367 |
strtol(line + sizeof("keyboard_functionkeys ") - 1, NULL, 16); |
368 |
DEBUG_KBD(("keyboard_functionkeys 0x%x\n", g_keyboard_functionkeys)); |
369 |
continue; |
370 |
} |
371 |
|
372 |
/* Comment */ |
373 |
if (line[0] == '#') |
374 |
{ |
375 |
continue; |
376 |
} |
377 |
|
378 |
/* Normal line */ |
379 |
keyname = line; |
380 |
p = strchr(line, ' '); |
381 |
if (p == NULL) |
382 |
{ |
383 |
error("Bad line %d in keymap %s\n", line_num, mapname); |
384 |
continue; |
385 |
} |
386 |
else |
387 |
{ |
388 |
*p = 0; |
389 |
} |
390 |
|
391 |
/* scancode */ |
392 |
p++; |
393 |
scancode = strtol(p, &line_rest, 16); |
394 |
|
395 |
/* flags */ |
396 |
/* FIXME: Should allow case-insensitive flag names. |
397 |
Fix by using lex+yacc... */ |
398 |
modifiers = 0; |
399 |
if (strstr(line_rest, "altgr")) |
400 |
{ |
401 |
MASK_ADD_BITS(modifiers, MapAltGrMask); |
402 |
} |
403 |
|
404 |
if (strstr(line_rest, "shift")) |
405 |
{ |
406 |
MASK_ADD_BITS(modifiers, MapLeftShiftMask); |
407 |
} |
408 |
|
409 |
if (strstr(line_rest, "numlock")) |
410 |
{ |
411 |
MASK_ADD_BITS(modifiers, MapNumLockMask); |
412 |
} |
413 |
|
414 |
if (strstr(line_rest, "localstate")) |
415 |
{ |
416 |
MASK_ADD_BITS(modifiers, MapLocalStateMask); |
417 |
} |
418 |
|
419 |
if (strstr(line_rest, "inhibit")) |
420 |
{ |
421 |
MASK_ADD_BITS(modifiers, MapInhibitMask); |
422 |
} |
423 |
|
424 |
add_to_keymap(keyname, scancode, modifiers, mapname); |
425 |
|
426 |
if (strstr(line_rest, "addupper")) |
427 |
{ |
428 |
/* Automatically add uppercase key, with same modifiers |
429 |
plus shift */ |
430 |
for (p = keyname; *p; p++) |
431 |
*p = toupper((int) *p); |
432 |
MASK_ADD_BITS(modifiers, MapLeftShiftMask); |
433 |
add_to_keymap(keyname, scancode, modifiers, mapname); |
434 |
} |
435 |
} |
436 |
|
437 |
fclose(fp); |
438 |
return True; |
439 |
} |
440 |
|
441 |
|
442 |
/* Before connecting and creating UI */ |
443 |
void |
444 |
xkeymap_init(void) |
445 |
{ |
446 |
unsigned int max_keycode; |
447 |
|
448 |
if (strcmp(g_keymapname, "none")) |
449 |
{ |
450 |
if (xkeymap_read(g_keymapname)) |
451 |
keymap_loaded = True; |
452 |
} |
453 |
|
454 |
XDisplayKeycodes(g_display, &min_keycode, (int *) &max_keycode); |
455 |
} |
456 |
|
457 |
static void |
458 |
send_winkey(uint32 ev_time, BOOL pressed, BOOL leftkey) |
459 |
{ |
460 |
uint8 winkey; |
461 |
|
462 |
if (leftkey) |
463 |
winkey = SCANCODE_CHAR_LWIN; |
464 |
else |
465 |
winkey = SCANCODE_CHAR_RWIN; |
466 |
|
467 |
if (pressed) |
468 |
{ |
469 |
if (g_use_rdp5) |
470 |
{ |
471 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, winkey); |
472 |
} |
473 |
else |
474 |
{ |
475 |
/* RDP4 doesn't support winkey. Fake with Ctrl-Esc */ |
476 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_LCTRL); |
477 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_ESC); |
478 |
} |
479 |
} |
480 |
else |
481 |
{ |
482 |
/* key released */ |
483 |
if (g_use_rdp5) |
484 |
{ |
485 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, winkey); |
486 |
} |
487 |
else |
488 |
{ |
489 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_ESC); |
490 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
491 |
} |
492 |
} |
493 |
} |
494 |
|
495 |
static void |
496 |
reset_winkey(uint32 ev_time) |
497 |
{ |
498 |
if (g_use_rdp5) |
499 |
{ |
500 |
/* For some reason, it seems to suffice to release |
501 |
*either* the left or right winkey. */ |
502 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LWIN); |
503 |
} |
504 |
} |
505 |
|
506 |
/* Handle special key combinations */ |
507 |
BOOL |
508 |
handle_special_keys(uint32 keysym, unsigned int state, uint32 ev_time, BOOL pressed) |
509 |
{ |
510 |
switch (keysym) |
511 |
{ |
512 |
case XK_Return: |
513 |
if ((get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R)) |
514 |
&& (get_key_state(state, XK_Control_L) |
515 |
|| get_key_state(state, XK_Control_R))) |
516 |
{ |
517 |
/* Ctrl-Alt-Enter: toggle full screen */ |
518 |
if (pressed) |
519 |
xwin_toggle_fullscreen(); |
520 |
return True; |
521 |
} |
522 |
break; |
523 |
|
524 |
case XK_Break: |
525 |
/* Send Break sequence E0 46 E0 C6 */ |
526 |
if (pressed) |
527 |
{ |
528 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, |
529 |
(SCANCODE_EXTENDED | 0x46)); |
530 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, |
531 |
(SCANCODE_EXTENDED | 0xc6)); |
532 |
} |
533 |
/* No release sequence */ |
534 |
return True; |
535 |
break; |
536 |
|
537 |
case XK_Pause: |
538 |
/* According to MS Keyboard Scan Code |
539 |
Specification, pressing Pause should result |
540 |
in E1 1D 45 E1 9D C5. I'm not exactly sure |
541 |
of how this is supposed to be sent via |
542 |
RDP. The code below seems to work, but with |
543 |
the side effect that Left Ctrl stays |
544 |
down. Therefore, we release it when Pause |
545 |
is released. */ |
546 |
if (pressed) |
547 |
{ |
548 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xe1, 0); |
549 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x1d, 0); |
550 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x45, 0); |
551 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xe1, 0); |
552 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x9d, 0); |
553 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xc5, 0); |
554 |
} |
555 |
else |
556 |
{ |
557 |
/* Release Left Ctrl */ |
558 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYRELEASE, |
559 |
0x1d, 0); |
560 |
} |
561 |
return True; |
562 |
break; |
563 |
|
564 |
case XK_Meta_L: /* Windows keys */ |
565 |
case XK_Super_L: |
566 |
case XK_Hyper_L: |
567 |
send_winkey(ev_time, pressed, True); |
568 |
return True; |
569 |
break; |
570 |
|
571 |
case XK_Meta_R: |
572 |
case XK_Super_R: |
573 |
case XK_Hyper_R: |
574 |
send_winkey(ev_time, pressed, False); |
575 |
return True; |
576 |
break; |
577 |
|
578 |
case XK_space: |
579 |
/* Prevent access to the Windows system menu in single app mode */ |
580 |
if (g_win_button_size |
581 |
&& (get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R))) |
582 |
return True; |
583 |
break; |
584 |
|
585 |
case XK_Num_Lock: |
586 |
/* Synchronize on key release */ |
587 |
if (g_numlock_sync && !pressed) |
588 |
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, |
589 |
ui_get_numlock_state(read_keyboard_state()), 0); |
590 |
|
591 |
/* Inhibit */ |
592 |
return True; |
593 |
break; |
594 |
case XK_Overlay1_Enable: |
595 |
/* Toggle SeamlessRDP */ |
596 |
if (pressed) |
597 |
ui_seamless_toggle(); |
598 |
break; |
599 |
|
600 |
} |
601 |
return False; |
602 |
} |
603 |
|
604 |
|
605 |
key_translation |
606 |
xkeymap_translate_key(uint32 keysym, unsigned int keycode, unsigned int state) |
607 |
{ |
608 |
key_translation tr = { 0, 0, 0, 0 }; |
609 |
key_translation *ptr; |
610 |
|
611 |
ptr = keymap[keysym & KEYMAP_MASK]; |
612 |
if (ptr) |
613 |
{ |
614 |
tr = *ptr; |
615 |
if (tr.seq_keysym == 0) /* Normal scancode translation */ |
616 |
{ |
617 |
if (MASK_HAS_BITS(tr.modifiers, MapInhibitMask)) |
618 |
{ |
619 |
DEBUG_KBD(("Inhibiting key\n")); |
620 |
tr.scancode = 0; |
621 |
return tr; |
622 |
} |
623 |
|
624 |
if (MASK_HAS_BITS(tr.modifiers, MapLocalStateMask)) |
625 |
{ |
626 |
/* The modifiers to send for this key should be obtained |
627 |
from the local state. Currently, only shift is implemented. */ |
628 |
if (MASK_HAS_BITS(state, ShiftMask)) |
629 |
{ |
630 |
tr.modifiers = MapLeftShiftMask; |
631 |
} |
632 |
} |
633 |
|
634 |
/* Windows interprets CapsLock+Ctrl+key |
635 |
differently from Shift+Ctrl+key. Since we |
636 |
are simulating CapsLock with Shifts, things |
637 |
like Ctrl+f with CapsLock on breaks. To |
638 |
solve this, we are releasing Shift if Ctrl |
639 |
is on, but only if Shift isn't physically pressed. */ |
640 |
if (MASK_HAS_BITS(tr.modifiers, MapShiftMask) |
641 |
&& MASK_HAS_BITS(remote_modifier_state, MapCtrlMask) |
642 |
&& !MASK_HAS_BITS(state, ShiftMask)) |
643 |
{ |
644 |
DEBUG_KBD(("Non-physical Shift + Ctrl pressed, releasing Shift\n")); |
645 |
MASK_REMOVE_BITS(tr.modifiers, MapShiftMask); |
646 |
} |
647 |
|
648 |
DEBUG_KBD(("Found scancode translation, scancode=0x%x, modifiers=0x%x\n", |
649 |
tr.scancode, tr.modifiers)); |
650 |
} |
651 |
} |
652 |
else |
653 |
{ |
654 |
if (keymap_loaded) |
655 |
warning("No translation for (keysym 0x%lx, %s)\n", keysym, |
656 |
get_ksname(keysym)); |
657 |
|
658 |
/* not in keymap, try to interpret the raw scancode */ |
659 |
if (((int) keycode >= min_keycode) && (keycode <= 0x60)) |
660 |
{ |
661 |
tr.scancode = keycode - min_keycode; |
662 |
|
663 |
/* The modifiers to send for this key should be |
664 |
obtained from the local state. Currently, only |
665 |
shift is implemented. */ |
666 |
if (MASK_HAS_BITS(state, ShiftMask)) |
667 |
{ |
668 |
tr.modifiers = MapLeftShiftMask; |
669 |
} |
670 |
|
671 |
DEBUG_KBD(("Sending guessed scancode 0x%x\n", tr.scancode)); |
672 |
} |
673 |
else |
674 |
{ |
675 |
DEBUG_KBD(("No good guess for keycode 0x%x found\n", keycode)); |
676 |
} |
677 |
} |
678 |
|
679 |
return tr; |
680 |
} |
681 |
|
682 |
void |
683 |
xkeymap_send_keys(uint32 keysym, unsigned int keycode, unsigned int state, uint32 ev_time, |
684 |
BOOL pressed, uint8 nesting) |
685 |
{ |
686 |
key_translation tr, *ptr; |
687 |
tr = xkeymap_translate_key(keysym, keycode, state); |
688 |
|
689 |
if (tr.seq_keysym == 0) |
690 |
{ |
691 |
/* Scancode translation */ |
692 |
if (tr.scancode == 0) |
693 |
return; |
694 |
|
695 |
if (pressed) |
696 |
{ |
697 |
save_remote_modifiers(tr.scancode); |
698 |
ensure_remote_modifiers(ev_time, tr); |
699 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, tr.scancode); |
700 |
restore_remote_modifiers(ev_time, tr.scancode); |
701 |
} |
702 |
else |
703 |
{ |
704 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, tr.scancode); |
705 |
} |
706 |
return; |
707 |
} |
708 |
|
709 |
/* Sequence, only on key down */ |
710 |
if (pressed) |
711 |
{ |
712 |
ptr = &tr; |
713 |
do |
714 |
{ |
715 |
DEBUG_KBD(("Handling sequence element, keysym=0x%x\n", |
716 |
(unsigned int) ptr->seq_keysym)); |
717 |
|
718 |
if (nesting++ > 32) |
719 |
{ |
720 |
error("Sequence nesting too deep\n"); |
721 |
return; |
722 |
} |
723 |
|
724 |
xkeymap_send_keys(ptr->seq_keysym, keycode, state, ev_time, True, nesting); |
725 |
xkeymap_send_keys(ptr->seq_keysym, keycode, state, ev_time, False, nesting); |
726 |
ptr = ptr->next; |
727 |
} |
728 |
while (ptr); |
729 |
} |
730 |
} |
731 |
|
732 |
uint16 |
733 |
xkeymap_translate_button(unsigned int button) |
734 |
{ |
735 |
switch (button) |
736 |
{ |
737 |
case Button1: /* left */ |
738 |
return MOUSE_FLAG_BUTTON1; |
739 |
case Button2: /* middle */ |
740 |
return MOUSE_FLAG_BUTTON3; |
741 |
case Button3: /* right */ |
742 |
return MOUSE_FLAG_BUTTON2; |
743 |
case Button4: /* wheel up */ |
744 |
return MOUSE_FLAG_BUTTON4; |
745 |
case Button5: /* wheel down */ |
746 |
return MOUSE_FLAG_BUTTON5; |
747 |
} |
748 |
|
749 |
return 0; |
750 |
} |
751 |
|
752 |
char * |
753 |
get_ksname(uint32 keysym) |
754 |
{ |
755 |
char *ksname = NULL; |
756 |
|
757 |
if (keysym == NoSymbol) |
758 |
ksname = "NoSymbol"; |
759 |
else if (!(ksname = XKeysymToString(keysym))) |
760 |
ksname = "(no name)"; |
761 |
|
762 |
return ksname; |
763 |
} |
764 |
|
765 |
static BOOL |
766 |
is_modifier(uint8 scancode) |
767 |
{ |
768 |
switch (scancode) |
769 |
{ |
770 |
case SCANCODE_CHAR_LSHIFT: |
771 |
case SCANCODE_CHAR_RSHIFT: |
772 |
case SCANCODE_CHAR_LCTRL: |
773 |
case SCANCODE_CHAR_RCTRL: |
774 |
case SCANCODE_CHAR_LALT: |
775 |
case SCANCODE_CHAR_RALT: |
776 |
case SCANCODE_CHAR_LWIN: |
777 |
case SCANCODE_CHAR_RWIN: |
778 |
case SCANCODE_CHAR_NUMLOCK: |
779 |
return True; |
780 |
default: |
781 |
break; |
782 |
} |
783 |
return False; |
784 |
} |
785 |
|
786 |
void |
787 |
save_remote_modifiers(uint8 scancode) |
788 |
{ |
789 |
if (is_modifier(scancode)) |
790 |
return; |
791 |
|
792 |
saved_remote_modifier_state = remote_modifier_state; |
793 |
} |
794 |
|
795 |
void |
796 |
restore_remote_modifiers(uint32 ev_time, uint8 scancode) |
797 |
{ |
798 |
key_translation dummy; |
799 |
|
800 |
if (is_modifier(scancode)) |
801 |
return; |
802 |
|
803 |
dummy.scancode = 0; |
804 |
dummy.modifiers = saved_remote_modifier_state; |
805 |
ensure_remote_modifiers(ev_time, dummy); |
806 |
} |
807 |
|
808 |
void |
809 |
ensure_remote_modifiers(uint32 ev_time, key_translation tr) |
810 |
{ |
811 |
/* If this key is a modifier, do nothing */ |
812 |
if (is_modifier(tr.scancode)) |
813 |
return; |
814 |
|
815 |
if (!g_numlock_sync) |
816 |
{ |
817 |
/* NumLock */ |
818 |
if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask) |
819 |
!= MASK_HAS_BITS(remote_modifier_state, MapNumLockMask)) |
820 |
{ |
821 |
/* The remote modifier state is not correct */ |
822 |
uint16 new_remote_state; |
823 |
|
824 |
if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask)) |
825 |
{ |
826 |
DEBUG_KBD(("Remote NumLock state is incorrect, activating NumLock.\n")); |
827 |
new_remote_state = KBD_FLAG_NUMLOCK; |
828 |
remote_modifier_state = MapNumLockMask; |
829 |
} |
830 |
else |
831 |
{ |
832 |
DEBUG_KBD(("Remote NumLock state is incorrect, deactivating NumLock.\n")); |
833 |
new_remote_state = 0; |
834 |
remote_modifier_state = 0; |
835 |
} |
836 |
|
837 |
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, new_remote_state, 0); |
838 |
} |
839 |
} |
840 |
|
841 |
|
842 |
/* Shift. Left shift and right shift are treated as equal; either is fine. */ |
843 |
if (MASK_HAS_BITS(tr.modifiers, MapShiftMask) |
844 |
!= MASK_HAS_BITS(remote_modifier_state, MapShiftMask)) |
845 |
{ |
846 |
/* The remote modifier state is not correct */ |
847 |
if (MASK_HAS_BITS(tr.modifiers, MapLeftShiftMask)) |
848 |
{ |
849 |
/* Needs left shift. Send down. */ |
850 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_LSHIFT); |
851 |
} |
852 |
else if (MASK_HAS_BITS(tr.modifiers, MapRightShiftMask)) |
853 |
{ |
854 |
/* Needs right shift. Send down. */ |
855 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_RSHIFT); |
856 |
} |
857 |
else |
858 |
{ |
859 |
/* Should not use this modifier. Send up for shift currently pressed. */ |
860 |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask)) |
861 |
/* Left shift is down */ |
862 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT); |
863 |
else |
864 |
/* Right shift is down */ |
865 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT); |
866 |
} |
867 |
} |
868 |
|
869 |
/* AltGr */ |
870 |
if (MASK_HAS_BITS(tr.modifiers, MapAltGrMask) |
871 |
!= MASK_HAS_BITS(remote_modifier_state, MapAltGrMask)) |
872 |
{ |
873 |
/* The remote modifier state is not correct */ |
874 |
if (MASK_HAS_BITS(tr.modifiers, MapAltGrMask)) |
875 |
{ |
876 |
/* Needs this modifier. Send down. */ |
877 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_RALT); |
878 |
} |
879 |
else |
880 |
{ |
881 |
/* Should not use this modifier. Send up. */ |
882 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
883 |
} |
884 |
} |
885 |
|
886 |
|
887 |
} |
888 |
|
889 |
|
890 |
unsigned int |
891 |
read_keyboard_state() |
892 |
{ |
893 |
#ifdef RDP2VNC |
894 |
return 0; |
895 |
#else |
896 |
unsigned int state; |
897 |
Window wdummy; |
898 |
int dummy; |
899 |
|
900 |
XQueryPointer(g_display, g_wnd, &wdummy, &wdummy, &dummy, &dummy, &dummy, &dummy, &state); |
901 |
return state; |
902 |
#endif |
903 |
} |
904 |
|
905 |
|
906 |
uint16 |
907 |
ui_get_numlock_state(unsigned int state) |
908 |
{ |
909 |
uint16 numlock_state = 0; |
910 |
|
911 |
if (get_key_state(state, XK_Num_Lock)) |
912 |
numlock_state = KBD_FLAG_NUMLOCK; |
913 |
|
914 |
return numlock_state; |
915 |
} |
916 |
|
917 |
|
918 |
void |
919 |
reset_modifier_keys() |
920 |
{ |
921 |
unsigned int state = read_keyboard_state(); |
922 |
|
923 |
/* reset keys */ |
924 |
uint32 ev_time; |
925 |
ev_time = time(NULL); |
926 |
|
927 |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask) |
928 |
&& !get_key_state(state, XK_Shift_L)) |
929 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT); |
930 |
|
931 |
if (MASK_HAS_BITS(remote_modifier_state, MapRightShiftMask) |
932 |
&& !get_key_state(state, XK_Shift_R)) |
933 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT); |
934 |
|
935 |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftCtrlMask) |
936 |
&& !get_key_state(state, XK_Control_L)) |
937 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
938 |
|
939 |
if (MASK_HAS_BITS(remote_modifier_state, MapRightCtrlMask) |
940 |
&& !get_key_state(state, XK_Control_R)) |
941 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL); |
942 |
|
943 |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftAltMask) && !get_key_state(state, XK_Alt_L)) |
944 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT); |
945 |
|
946 |
if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) && |
947 |
!get_key_state(state, XK_Alt_R) && !get_key_state(state, XK_Mode_switch) |
948 |
&& !get_key_state(state, XK_ISO_Level3_Shift)) |
949 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
950 |
|
951 |
reset_winkey(ev_time); |
952 |
|
953 |
if (g_numlock_sync) |
954 |
rdp_send_input(ev_time, RDP_INPUT_SYNCHRONIZE, 0, ui_get_numlock_state(state), 0); |
955 |
} |
956 |
|
957 |
|
958 |
static void |
959 |
update_modifier_state(uint8 scancode, BOOL pressed) |
960 |
{ |
961 |
#ifdef WITH_DEBUG_KBD |
962 |
uint16 old_modifier_state; |
963 |
|
964 |
old_modifier_state = remote_modifier_state; |
965 |
#endif |
966 |
|
967 |
switch (scancode) |
968 |
{ |
969 |
case SCANCODE_CHAR_LSHIFT: |
970 |
MASK_CHANGE_BIT(remote_modifier_state, MapLeftShiftMask, pressed); |
971 |
break; |
972 |
case SCANCODE_CHAR_RSHIFT: |
973 |
MASK_CHANGE_BIT(remote_modifier_state, MapRightShiftMask, pressed); |
974 |
break; |
975 |
case SCANCODE_CHAR_LCTRL: |
976 |
MASK_CHANGE_BIT(remote_modifier_state, MapLeftCtrlMask, pressed); |
977 |
break; |
978 |
case SCANCODE_CHAR_RCTRL: |
979 |
MASK_CHANGE_BIT(remote_modifier_state, MapRightCtrlMask, pressed); |
980 |
break; |
981 |
case SCANCODE_CHAR_LALT: |
982 |
MASK_CHANGE_BIT(remote_modifier_state, MapLeftAltMask, pressed); |
983 |
break; |
984 |
case SCANCODE_CHAR_RALT: |
985 |
MASK_CHANGE_BIT(remote_modifier_state, MapRightAltMask, pressed); |
986 |
break; |
987 |
case SCANCODE_CHAR_LWIN: |
988 |
MASK_CHANGE_BIT(remote_modifier_state, MapLeftWinMask, pressed); |
989 |
break; |
990 |
case SCANCODE_CHAR_RWIN: |
991 |
MASK_CHANGE_BIT(remote_modifier_state, MapRightWinMask, pressed); |
992 |
break; |
993 |
case SCANCODE_CHAR_NUMLOCK: |
994 |
/* KeyReleases for NumLocks are sent immediately. Toggle the |
995 |
modifier state only on Keypress */ |
996 |
if (pressed && !g_numlock_sync) |
997 |
{ |
998 |
BOOL newNumLockState; |
999 |
newNumLockState = |
1000 |
(MASK_HAS_BITS |
1001 |
(remote_modifier_state, MapNumLockMask) == False); |
1002 |
MASK_CHANGE_BIT(remote_modifier_state, |
1003 |
MapNumLockMask, newNumLockState); |
1004 |
} |
1005 |
} |
1006 |
|
1007 |
#ifdef WITH_DEBUG_KBD |
1008 |
if (old_modifier_state != remote_modifier_state) |
1009 |
{ |
1010 |
DEBUG_KBD(("Before updating modifier_state:0x%x, pressed=0x%x\n", |
1011 |
old_modifier_state, pressed)); |
1012 |
DEBUG_KBD(("After updating modifier_state:0x%x\n", remote_modifier_state)); |
1013 |
} |
1014 |
#endif |
1015 |
|
1016 |
} |
1017 |
|
1018 |
/* Send keyboard input */ |
1019 |
void |
1020 |
rdp_send_scancode(uint32 time, uint16 flags, uint8 scancode) |
1021 |
{ |
1022 |
update_modifier_state(scancode, !(flags & RDP_KEYRELEASE)); |
1023 |
|
1024 |
if (scancode & SCANCODE_EXTENDED) |
1025 |
{ |
1026 |
DEBUG_KBD(("Sending extended scancode=0x%x, flags=0x%x\n", |
1027 |
scancode & ~SCANCODE_EXTENDED, flags)); |
1028 |
rdp_send_input(time, RDP_INPUT_SCANCODE, flags | KBD_FLAG_EXT, |
1029 |
scancode & ~SCANCODE_EXTENDED, 0); |
1030 |
} |
1031 |
else |
1032 |
{ |
1033 |
DEBUG_KBD(("Sending scancode=0x%x, flags=0x%x\n", scancode, flags)); |
1034 |
rdp_send_input(time, RDP_INPUT_SCANCODE, flags, scancode, 0); |
1035 |
} |
1036 |
} |