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/* -*- c-basic-offset: 8 -*- |
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rdesktop: A Remote Desktop Protocol client. |
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User interface services - X keyboard mapping |
4 |
|
5 |
Copyright (C) Matthew Chapman 1999-2005 |
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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 |
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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> |
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" |
36 |
|
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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 |
40 |
|
41 |
extern Display *g_display; |
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extern Window g_wnd; |
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extern char keymapname[16]; |
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extern int g_keylayout; |
45 |
extern int g_keyboard_type; |
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extern int g_keyboard_subtype; |
47 |
extern int g_keyboard_functionkeys; |
48 |
extern int g_win_button_size; |
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extern BOOL g_enable_compose; |
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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]; |
55 |
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 |
76 |
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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|
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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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|
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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); |
143 |
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 |
} |
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|
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/* Allocate space for key_translation structure */ |
151 |
tr = (key_translation *) xmalloc(sizeof(key_translation)); |
152 |
memset(tr, 0, sizeof(key_translation)); |
153 |
*prev_next = tr; |
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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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void |
163 |
xkeymap_from_locale(const char *locale) |
164 |
{ |
165 |
char *str, *ptr; |
166 |
FILE *fp; |
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|
168 |
/* Create a working copy */ |
169 |
str = strdup(locale); |
170 |
if (str == NULL) |
171 |
{ |
172 |
perror("strdup"); |
173 |
exit(1); |
174 |
} |
175 |
|
176 |
/* Truncate at dot and at */ |
177 |
ptr = strrchr(str, '.'); |
178 |
if (ptr) |
179 |
*ptr = '\0'; |
180 |
ptr = strrchr(str, '@'); |
181 |
if (ptr) |
182 |
*ptr = '\0'; |
183 |
|
184 |
/* Replace _ with - */ |
185 |
ptr = strrchr(str, '_'); |
186 |
if (ptr) |
187 |
*ptr = '-'; |
188 |
|
189 |
/* Convert to lowercase */ |
190 |
ptr = str; |
191 |
while (*ptr) |
192 |
{ |
193 |
*ptr = tolower((int) *ptr); |
194 |
ptr++; |
195 |
} |
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|
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/* Try to open this keymap (da-dk) */ |
198 |
fp = xkeymap_open(str); |
199 |
if (fp == NULL) |
200 |
{ |
201 |
/* Truncate at dash */ |
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ptr = strrchr(str, '-'); |
203 |
if (ptr) |
204 |
*ptr = '\0'; |
205 |
|
206 |
/* Try the short name (da) */ |
207 |
fp = xkeymap_open(str); |
208 |
} |
209 |
|
210 |
if (fp) |
211 |
{ |
212 |
fclose(fp); |
213 |
STRNCPY(keymapname, str, sizeof(keymapname)); |
214 |
fprintf(stderr, "Autoselected keyboard map %s.\n", keymapname); |
215 |
} |
216 |
} |
217 |
|
218 |
|
219 |
/* Joins two path components. The result should be freed with |
220 |
xfree(). */ |
221 |
static char * |
222 |
pathjoin(const char *a, const char *b) |
223 |
{ |
224 |
char *result; |
225 |
result = xmalloc(PATH_MAX * 2 + 1); |
226 |
|
227 |
if (b[0] == '/') |
228 |
{ |
229 |
strncpy(result, b, PATH_MAX); |
230 |
} |
231 |
else |
232 |
{ |
233 |
strncpy(result, a, PATH_MAX); |
234 |
strcat(result, "/"); |
235 |
strncat(result, b, PATH_MAX); |
236 |
} |
237 |
return result; |
238 |
} |
239 |
|
240 |
/* Try to open a keymap with fopen() */ |
241 |
FILE * |
242 |
xkeymap_open(const char *filename) |
243 |
{ |
244 |
char *path1, *path2; |
245 |
char *home; |
246 |
FILE *fp; |
247 |
|
248 |
/* Try ~/.rdesktop/keymaps */ |
249 |
home = getenv("HOME"); |
250 |
if (home) |
251 |
{ |
252 |
path1 = pathjoin(home, ".rdesktop/keymaps"); |
253 |
path2 = pathjoin(path1, filename); |
254 |
xfree(path1); |
255 |
fp = fopen(path2, "r"); |
256 |
xfree(path2); |
257 |
if (fp) |
258 |
return fp; |
259 |
} |
260 |
|
261 |
/* Try KEYMAP_PATH */ |
262 |
path1 = pathjoin(KEYMAP_PATH, filename); |
263 |
fp = fopen(path1, "r"); |
264 |
xfree(path1); |
265 |
if (fp) |
266 |
return fp; |
267 |
|
268 |
/* Try current directory, in case we are running from the source |
269 |
tree */ |
270 |
path1 = pathjoin("keymaps", filename); |
271 |
fp = fopen(path1, "r"); |
272 |
xfree(path1); |
273 |
if (fp) |
274 |
return fp; |
275 |
|
276 |
return NULL; |
277 |
} |
278 |
|
279 |
static BOOL |
280 |
xkeymap_read(char *mapname) |
281 |
{ |
282 |
FILE *fp; |
283 |
char line[KEYMAP_MAX_LINE_LENGTH]; |
284 |
unsigned int line_num = 0; |
285 |
unsigned int line_length = 0; |
286 |
char *keyname, *p; |
287 |
char *line_rest; |
288 |
uint8 scancode; |
289 |
uint16 modifiers; |
290 |
|
291 |
fp = xkeymap_open(mapname); |
292 |
if (fp == NULL) |
293 |
{ |
294 |
error("Failed to open keymap %s\n", mapname); |
295 |
return False; |
296 |
} |
297 |
|
298 |
/* FIXME: More tolerant on white space */ |
299 |
while (fgets(line, sizeof(line), fp) != NULL) |
300 |
{ |
301 |
line_num++; |
302 |
|
303 |
/* Replace the \n with \0 */ |
304 |
p = strchr(line, '\n'); |
305 |
if (p != NULL) |
306 |
*p = 0; |
307 |
|
308 |
line_length = strlen(line); |
309 |
|
310 |
/* Completely empty line */ |
311 |
if (strspn(line, " \t\n\r\f\v") == line_length) |
312 |
{ |
313 |
continue; |
314 |
} |
315 |
|
316 |
/* Include */ |
317 |
if (strncmp(line, "include ", sizeof("include ") - 1) == 0) |
318 |
{ |
319 |
if (!xkeymap_read(line + sizeof("include ") - 1)) |
320 |
return False; |
321 |
continue; |
322 |
} |
323 |
|
324 |
/* map */ |
325 |
if (strncmp(line, "map ", sizeof("map ") - 1) == 0) |
326 |
{ |
327 |
g_keylayout = strtol(line + sizeof("map ") - 1, NULL, 16); |
328 |
DEBUG_KBD(("Keylayout 0x%x\n", g_keylayout)); |
329 |
continue; |
330 |
} |
331 |
|
332 |
/* compose */ |
333 |
if (strncmp(line, "enable_compose", sizeof("enable_compose") - 1) == 0) |
334 |
{ |
335 |
DEBUG_KBD(("Enabling compose handling\n")); |
336 |
g_enable_compose = True; |
337 |
continue; |
338 |
} |
339 |
|
340 |
/* sequence */ |
341 |
if (strncmp(line, "sequence", sizeof("sequence") - 1) == 0) |
342 |
{ |
343 |
add_sequence(line + sizeof("sequence") - 1, mapname); |
344 |
continue; |
345 |
} |
346 |
|
347 |
/* keyboard_type */ |
348 |
if (strncmp(line, "keyboard_type ", sizeof("keyboard_type ") - 1) == 0) |
349 |
{ |
350 |
g_keyboard_type = strtol(line + sizeof("keyboard_type ") - 1, NULL, 16); |
351 |
DEBUG_KBD(("keyboard_type 0x%x\n", g_keyboard_type)); |
352 |
continue; |
353 |
} |
354 |
|
355 |
/* keyboard_subtype */ |
356 |
if (strncmp(line, "keyboard_subtype ", sizeof("keyboard_subtype ") - 1) == 0) |
357 |
{ |
358 |
g_keyboard_subtype = |
359 |
strtol(line + sizeof("keyboard_subtype ") - 1, NULL, 16); |
360 |
DEBUG_KBD(("keyboard_subtype 0x%x\n", g_keyboard_subtype)); |
361 |
continue; |
362 |
} |
363 |
|
364 |
/* keyboard_functionkeys */ |
365 |
if (strncmp(line, "keyboard_functionkeys ", sizeof("keyboard_functionkeys ") - 1) == |
366 |
0) |
367 |
{ |
368 |
g_keyboard_functionkeys = |
369 |
strtol(line + sizeof("keyboard_functionkeys ") - 1, NULL, 16); |
370 |
DEBUG_KBD(("keyboard_functionkeys 0x%x\n", g_keyboard_functionkeys)); |
371 |
continue; |
372 |
} |
373 |
|
374 |
/* Comment */ |
375 |
if (line[0] == '#') |
376 |
{ |
377 |
continue; |
378 |
} |
379 |
|
380 |
/* Normal line */ |
381 |
keyname = line; |
382 |
p = strchr(line, ' '); |
383 |
if (p == NULL) |
384 |
{ |
385 |
error("Bad line %d in keymap %s\n", line_num, mapname); |
386 |
continue; |
387 |
} |
388 |
else |
389 |
{ |
390 |
*p = 0; |
391 |
} |
392 |
|
393 |
/* scancode */ |
394 |
p++; |
395 |
scancode = strtol(p, &line_rest, 16); |
396 |
|
397 |
/* flags */ |
398 |
/* FIXME: Should allow case-insensitive flag names. |
399 |
Fix by using lex+yacc... */ |
400 |
modifiers = 0; |
401 |
if (strstr(line_rest, "altgr")) |
402 |
{ |
403 |
MASK_ADD_BITS(modifiers, MapAltGrMask); |
404 |
} |
405 |
|
406 |
if (strstr(line_rest, "shift")) |
407 |
{ |
408 |
MASK_ADD_BITS(modifiers, MapLeftShiftMask); |
409 |
} |
410 |
|
411 |
if (strstr(line_rest, "numlock")) |
412 |
{ |
413 |
MASK_ADD_BITS(modifiers, MapNumLockMask); |
414 |
} |
415 |
|
416 |
if (strstr(line_rest, "localstate")) |
417 |
{ |
418 |
MASK_ADD_BITS(modifiers, MapLocalStateMask); |
419 |
} |
420 |
|
421 |
if (strstr(line_rest, "inhibit")) |
422 |
{ |
423 |
MASK_ADD_BITS(modifiers, MapInhibitMask); |
424 |
} |
425 |
|
426 |
add_to_keymap(keyname, scancode, modifiers, mapname); |
427 |
|
428 |
if (strstr(line_rest, "addupper")) |
429 |
{ |
430 |
/* Automatically add uppercase key, with same modifiers |
431 |
plus shift */ |
432 |
for (p = keyname; *p; p++) |
433 |
*p = toupper((int) *p); |
434 |
MASK_ADD_BITS(modifiers, MapLeftShiftMask); |
435 |
add_to_keymap(keyname, scancode, modifiers, mapname); |
436 |
} |
437 |
} |
438 |
|
439 |
fclose(fp); |
440 |
return True; |
441 |
} |
442 |
|
443 |
|
444 |
/* Before connecting and creating UI */ |
445 |
void |
446 |
xkeymap_init(void) |
447 |
{ |
448 |
unsigned int max_keycode; |
449 |
|
450 |
if (strcmp(keymapname, "none")) |
451 |
{ |
452 |
if (xkeymap_read(keymapname)) |
453 |
keymap_loaded = True; |
454 |
} |
455 |
|
456 |
XDisplayKeycodes(g_display, &min_keycode, (int *) &max_keycode); |
457 |
} |
458 |
|
459 |
static void |
460 |
send_winkey(uint32 ev_time, BOOL pressed, BOOL leftkey) |
461 |
{ |
462 |
uint8 winkey; |
463 |
|
464 |
if (leftkey) |
465 |
winkey = SCANCODE_CHAR_LWIN; |
466 |
else |
467 |
winkey = SCANCODE_CHAR_RWIN; |
468 |
|
469 |
if (pressed) |
470 |
{ |
471 |
if (g_use_rdp5) |
472 |
{ |
473 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, winkey); |
474 |
} |
475 |
else |
476 |
{ |
477 |
/* RDP4 doesn't support winkey. Fake with Ctrl-Esc */ |
478 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_LCTRL); |
479 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_ESC); |
480 |
} |
481 |
} |
482 |
else |
483 |
{ |
484 |
/* key released */ |
485 |
if (g_use_rdp5) |
486 |
{ |
487 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, winkey); |
488 |
} |
489 |
else |
490 |
{ |
491 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_ESC); |
492 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
493 |
} |
494 |
} |
495 |
} |
496 |
|
497 |
static void |
498 |
reset_winkey(uint32 ev_time) |
499 |
{ |
500 |
if (g_use_rdp5) |
501 |
{ |
502 |
/* For some reason, it seems to suffice to release |
503 |
*either* the left or right winkey. */ |
504 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LWIN); |
505 |
} |
506 |
} |
507 |
|
508 |
/* Handle special key combinations */ |
509 |
BOOL |
510 |
handle_special_keys(uint32 keysym, unsigned int state, uint32 ev_time, BOOL pressed) |
511 |
{ |
512 |
switch (keysym) |
513 |
{ |
514 |
case XK_Return: |
515 |
if ((get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R)) |
516 |
&& (get_key_state(state, XK_Control_L) |
517 |
|| get_key_state(state, XK_Control_R))) |
518 |
{ |
519 |
/* Ctrl-Alt-Enter: toggle full screen */ |
520 |
if (pressed) |
521 |
xwin_toggle_fullscreen(); |
522 |
return True; |
523 |
} |
524 |
break; |
525 |
|
526 |
case XK_Break: |
527 |
/* Send Break sequence E0 46 E0 C6 */ |
528 |
if (pressed) |
529 |
{ |
530 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, |
531 |
(SCANCODE_EXTENDED | 0x46)); |
532 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, |
533 |
(SCANCODE_EXTENDED | 0xc6)); |
534 |
} |
535 |
/* No release sequence */ |
536 |
return True; |
537 |
break; |
538 |
|
539 |
case XK_Pause: |
540 |
/* According to MS Keyboard Scan Code |
541 |
Specification, pressing Pause should result |
542 |
in E1 1D 45 E1 9D C5. I'm not exactly sure |
543 |
of how this is supposed to be sent via |
544 |
RDP. The code below seems to work, but with |
545 |
the side effect that Left Ctrl stays |
546 |
down. Therefore, we release it when Pause |
547 |
is released. */ |
548 |
if (pressed) |
549 |
{ |
550 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xe1, 0); |
551 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x1d, 0); |
552 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x45, 0); |
553 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xe1, 0); |
554 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x9d, 0); |
555 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xc5, 0); |
556 |
} |
557 |
else |
558 |
{ |
559 |
/* Release Left Ctrl */ |
560 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYRELEASE, |
561 |
0x1d, 0); |
562 |
} |
563 |
return True; |
564 |
break; |
565 |
|
566 |
case XK_Meta_L: /* Windows keys */ |
567 |
case XK_Super_L: |
568 |
case XK_Hyper_L: |
569 |
send_winkey(ev_time, pressed, True); |
570 |
return True; |
571 |
break; |
572 |
|
573 |
case XK_Meta_R: |
574 |
case XK_Super_R: |
575 |
case XK_Hyper_R: |
576 |
send_winkey(ev_time, pressed, False); |
577 |
return True; |
578 |
break; |
579 |
|
580 |
case XK_space: |
581 |
/* Prevent access to the Windows system menu in single app mode */ |
582 |
if (g_win_button_size |
583 |
&& (get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R))) |
584 |
return True; |
585 |
break; |
586 |
|
587 |
case XK_Num_Lock: |
588 |
/* Synchronize on key release */ |
589 |
if (g_numlock_sync && !pressed) |
590 |
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, |
591 |
ui_get_numlock_state(read_keyboard_state()), 0); |
592 |
|
593 |
/* Inhibit */ |
594 |
return True; |
595 |
break; |
596 |
|
597 |
} |
598 |
return False; |
599 |
} |
600 |
|
601 |
|
602 |
key_translation |
603 |
xkeymap_translate_key(uint32 keysym, unsigned int keycode, unsigned int state) |
604 |
{ |
605 |
key_translation tr = { 0, 0, 0, 0 }; |
606 |
key_translation *ptr; |
607 |
|
608 |
ptr = keymap[keysym & KEYMAP_MASK]; |
609 |
if (ptr) |
610 |
{ |
611 |
tr = *ptr; |
612 |
if (tr.seq_keysym == 0) /* Normal scancode translation */ |
613 |
{ |
614 |
if (tr.modifiers & MapInhibitMask) |
615 |
{ |
616 |
DEBUG_KBD(("Inhibiting key\n")); |
617 |
tr.scancode = 0; |
618 |
return tr; |
619 |
} |
620 |
|
621 |
if (tr.modifiers & MapLocalStateMask) |
622 |
{ |
623 |
/* The modifiers to send for this key should be obtained |
624 |
from the local state. Currently, only shift is implemented. */ |
625 |
if (state & ShiftMask) |
626 |
{ |
627 |
tr.modifiers = MapLeftShiftMask; |
628 |
} |
629 |
} |
630 |
|
631 |
if ((tr.modifiers & MapLeftShiftMask) |
632 |
&& ((remote_modifier_state & MapLeftCtrlMask) |
633 |
|| (remote_modifier_state & MapRightCtrlMask)) |
634 |
&& get_key_state(state, XK_Caps_Lock)) |
635 |
{ |
636 |
DEBUG_KBD(("CapsLock + Ctrl pressed, releasing LeftShift\n")); |
637 |
tr.modifiers ^= MapLeftShiftMask; |
638 |
} |
639 |
|
640 |
DEBUG_KBD(("Found scancode translation, scancode=0x%x, modifiers=0x%x\n", |
641 |
tr.scancode, tr.modifiers)); |
642 |
} |
643 |
} |
644 |
else |
645 |
{ |
646 |
if (keymap_loaded) |
647 |
warning("No translation for (keysym 0x%lx, %s)\n", keysym, |
648 |
get_ksname(keysym)); |
649 |
|
650 |
/* not in keymap, try to interpret the raw scancode */ |
651 |
if (((int) keycode >= min_keycode) && (keycode <= 0x60)) |
652 |
{ |
653 |
tr.scancode = keycode - min_keycode; |
654 |
|
655 |
/* The modifiers to send for this key should be |
656 |
obtained from the local state. Currently, only |
657 |
shift is implemented. */ |
658 |
if (state & ShiftMask) |
659 |
{ |
660 |
tr.modifiers = MapLeftShiftMask; |
661 |
} |
662 |
|
663 |
DEBUG_KBD(("Sending guessed scancode 0x%x\n", tr.scancode)); |
664 |
} |
665 |
else |
666 |
{ |
667 |
DEBUG_KBD(("No good guess for keycode 0x%x found\n", keycode)); |
668 |
} |
669 |
} |
670 |
|
671 |
return tr; |
672 |
} |
673 |
|
674 |
void |
675 |
xkeymap_send_keys(uint32 keysym, unsigned int keycode, unsigned int state, uint32 ev_time, |
676 |
BOOL pressed) |
677 |
{ |
678 |
key_translation tr, *ptr; |
679 |
tr = xkeymap_translate_key(keysym, keycode, state); |
680 |
|
681 |
if (tr.seq_keysym == 0) |
682 |
{ |
683 |
/* Scancode translation */ |
684 |
if (tr.scancode == 0) |
685 |
return; |
686 |
|
687 |
if (pressed) |
688 |
{ |
689 |
save_remote_modifiers(tr.scancode); |
690 |
ensure_remote_modifiers(ev_time, tr); |
691 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, tr.scancode); |
692 |
restore_remote_modifiers(ev_time, tr.scancode); |
693 |
} |
694 |
else |
695 |
{ |
696 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, tr.scancode); |
697 |
} |
698 |
return; |
699 |
} |
700 |
|
701 |
/* Sequence, only on key down */ |
702 |
if (pressed) |
703 |
{ |
704 |
ptr = &tr; |
705 |
do |
706 |
{ |
707 |
DEBUG_KBD(("Handling sequence element, keysym=0x%x\n", |
708 |
(unsigned int) ptr->seq_keysym)); |
709 |
xkeymap_send_keys(ptr->seq_keysym, keycode, state, ev_time, True); |
710 |
xkeymap_send_keys(ptr->seq_keysym, keycode, state, ev_time, False); |
711 |
ptr = ptr->next; |
712 |
} |
713 |
while (ptr); |
714 |
} |
715 |
} |
716 |
|
717 |
uint16 |
718 |
xkeymap_translate_button(unsigned int button) |
719 |
{ |
720 |
switch (button) |
721 |
{ |
722 |
case Button1: /* left */ |
723 |
return MOUSE_FLAG_BUTTON1; |
724 |
case Button2: /* middle */ |
725 |
return MOUSE_FLAG_BUTTON3; |
726 |
case Button3: /* right */ |
727 |
return MOUSE_FLAG_BUTTON2; |
728 |
case Button4: /* wheel up */ |
729 |
return MOUSE_FLAG_BUTTON4; |
730 |
case Button5: /* wheel down */ |
731 |
return MOUSE_FLAG_BUTTON5; |
732 |
} |
733 |
|
734 |
return 0; |
735 |
} |
736 |
|
737 |
char * |
738 |
get_ksname(uint32 keysym) |
739 |
{ |
740 |
char *ksname = NULL; |
741 |
|
742 |
if (keysym == NoSymbol) |
743 |
ksname = "NoSymbol"; |
744 |
else if (!(ksname = XKeysymToString(keysym))) |
745 |
ksname = "(no name)"; |
746 |
|
747 |
return ksname; |
748 |
} |
749 |
|
750 |
static BOOL |
751 |
is_modifier(uint8 scancode) |
752 |
{ |
753 |
switch (scancode) |
754 |
{ |
755 |
case SCANCODE_CHAR_LSHIFT: |
756 |
case SCANCODE_CHAR_RSHIFT: |
757 |
case SCANCODE_CHAR_LCTRL: |
758 |
case SCANCODE_CHAR_RCTRL: |
759 |
case SCANCODE_CHAR_LALT: |
760 |
case SCANCODE_CHAR_RALT: |
761 |
case SCANCODE_CHAR_LWIN: |
762 |
case SCANCODE_CHAR_RWIN: |
763 |
case SCANCODE_CHAR_NUMLOCK: |
764 |
return True; |
765 |
default: |
766 |
break; |
767 |
} |
768 |
return False; |
769 |
} |
770 |
|
771 |
void |
772 |
save_remote_modifiers(uint8 scancode) |
773 |
{ |
774 |
if (is_modifier(scancode)) |
775 |
return; |
776 |
|
777 |
saved_remote_modifier_state = remote_modifier_state; |
778 |
} |
779 |
|
780 |
void |
781 |
restore_remote_modifiers(uint32 ev_time, uint8 scancode) |
782 |
{ |
783 |
key_translation dummy; |
784 |
|
785 |
if (is_modifier(scancode)) |
786 |
return; |
787 |
|
788 |
dummy.scancode = 0; |
789 |
dummy.modifiers = saved_remote_modifier_state; |
790 |
ensure_remote_modifiers(ev_time, dummy); |
791 |
} |
792 |
|
793 |
void |
794 |
ensure_remote_modifiers(uint32 ev_time, key_translation tr) |
795 |
{ |
796 |
/* If this key is a modifier, do nothing */ |
797 |
if (is_modifier(tr.scancode)) |
798 |
return; |
799 |
|
800 |
if (!g_numlock_sync) |
801 |
{ |
802 |
/* NumLock */ |
803 |
if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask) |
804 |
!= MASK_HAS_BITS(remote_modifier_state, MapNumLockMask)) |
805 |
{ |
806 |
/* The remote modifier state is not correct */ |
807 |
uint16 new_remote_state; |
808 |
|
809 |
if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask)) |
810 |
{ |
811 |
DEBUG_KBD(("Remote NumLock state is incorrect, activating NumLock.\n")); |
812 |
new_remote_state = KBD_FLAG_NUMLOCK; |
813 |
remote_modifier_state = MapNumLockMask; |
814 |
} |
815 |
else |
816 |
{ |
817 |
DEBUG_KBD(("Remote NumLock state is incorrect, deactivating NumLock.\n")); |
818 |
new_remote_state = 0; |
819 |
remote_modifier_state = 0; |
820 |
} |
821 |
|
822 |
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, new_remote_state, 0); |
823 |
} |
824 |
} |
825 |
|
826 |
|
827 |
/* Shift. Left shift and right shift are treated as equal; either is fine. */ |
828 |
if (MASK_HAS_BITS(tr.modifiers, MapShiftMask) |
829 |
!= MASK_HAS_BITS(remote_modifier_state, MapShiftMask)) |
830 |
{ |
831 |
/* The remote modifier state is not correct */ |
832 |
if (MASK_HAS_BITS(tr.modifiers, MapLeftShiftMask)) |
833 |
{ |
834 |
/* Needs left shift. Send down. */ |
835 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_LSHIFT); |
836 |
} |
837 |
else if (MASK_HAS_BITS(tr.modifiers, MapRightShiftMask)) |
838 |
{ |
839 |
/* Needs right shift. Send down. */ |
840 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_RSHIFT); |
841 |
} |
842 |
else |
843 |
{ |
844 |
/* Should not use this modifier. Send up for shift currently pressed. */ |
845 |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask)) |
846 |
/* Left shift is down */ |
847 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT); |
848 |
else |
849 |
/* Right shift is down */ |
850 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT); |
851 |
} |
852 |
} |
853 |
|
854 |
/* AltGr */ |
855 |
if (MASK_HAS_BITS(tr.modifiers, MapAltGrMask) |
856 |
!= MASK_HAS_BITS(remote_modifier_state, MapAltGrMask)) |
857 |
{ |
858 |
/* The remote modifier state is not correct */ |
859 |
if (MASK_HAS_BITS(tr.modifiers, MapAltGrMask)) |
860 |
{ |
861 |
/* Needs this modifier. Send down. */ |
862 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_RALT); |
863 |
} |
864 |
else |
865 |
{ |
866 |
/* Should not use this modifier. Send up. */ |
867 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
868 |
} |
869 |
} |
870 |
|
871 |
|
872 |
} |
873 |
|
874 |
|
875 |
unsigned int |
876 |
read_keyboard_state() |
877 |
{ |
878 |
#ifdef RDP2VNC |
879 |
return 0; |
880 |
#else |
881 |
unsigned int state; |
882 |
Window wdummy; |
883 |
int dummy; |
884 |
|
885 |
XQueryPointer(g_display, g_wnd, &wdummy, &wdummy, &dummy, &dummy, &dummy, &dummy, &state); |
886 |
return state; |
887 |
#endif |
888 |
} |
889 |
|
890 |
|
891 |
uint16 |
892 |
ui_get_numlock_state(unsigned int state) |
893 |
{ |
894 |
uint16 numlock_state = 0; |
895 |
|
896 |
if (get_key_state(state, XK_Num_Lock)) |
897 |
numlock_state = KBD_FLAG_NUMLOCK; |
898 |
|
899 |
return numlock_state; |
900 |
} |
901 |
|
902 |
|
903 |
void |
904 |
reset_modifier_keys() |
905 |
{ |
906 |
unsigned int state = read_keyboard_state(); |
907 |
|
908 |
/* reset keys */ |
909 |
uint32 ev_time; |
910 |
ev_time = time(NULL); |
911 |
|
912 |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask) |
913 |
&& !get_key_state(state, XK_Shift_L)) |
914 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT); |
915 |
|
916 |
if (MASK_HAS_BITS(remote_modifier_state, MapRightShiftMask) |
917 |
&& !get_key_state(state, XK_Shift_R)) |
918 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT); |
919 |
|
920 |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftCtrlMask) |
921 |
&& !get_key_state(state, XK_Control_L)) |
922 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
923 |
|
924 |
if (MASK_HAS_BITS(remote_modifier_state, MapRightCtrlMask) |
925 |
&& !get_key_state(state, XK_Control_R)) |
926 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL); |
927 |
|
928 |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftAltMask) && !get_key_state(state, XK_Alt_L)) |
929 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT); |
930 |
|
931 |
if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) && |
932 |
!get_key_state(state, XK_Alt_R) && !get_key_state(state, XK_Mode_switch) |
933 |
&& !get_key_state(state, XK_ISO_Level3_Shift)) |
934 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
935 |
|
936 |
reset_winkey(ev_time); |
937 |
|
938 |
if (g_numlock_sync) |
939 |
rdp_send_input(ev_time, RDP_INPUT_SYNCHRONIZE, 0, ui_get_numlock_state(state), 0); |
940 |
} |
941 |
|
942 |
|
943 |
static void |
944 |
update_modifier_state(uint8 scancode, BOOL pressed) |
945 |
{ |
946 |
#ifdef WITH_DEBUG_KBD |
947 |
uint16 old_modifier_state; |
948 |
|
949 |
old_modifier_state = remote_modifier_state; |
950 |
#endif |
951 |
|
952 |
switch (scancode) |
953 |
{ |
954 |
case SCANCODE_CHAR_LSHIFT: |
955 |
MASK_CHANGE_BIT(remote_modifier_state, MapLeftShiftMask, pressed); |
956 |
break; |
957 |
case SCANCODE_CHAR_RSHIFT: |
958 |
MASK_CHANGE_BIT(remote_modifier_state, MapRightShiftMask, pressed); |
959 |
break; |
960 |
case SCANCODE_CHAR_LCTRL: |
961 |
MASK_CHANGE_BIT(remote_modifier_state, MapLeftCtrlMask, pressed); |
962 |
break; |
963 |
case SCANCODE_CHAR_RCTRL: |
964 |
MASK_CHANGE_BIT(remote_modifier_state, MapRightCtrlMask, pressed); |
965 |
break; |
966 |
case SCANCODE_CHAR_LALT: |
967 |
MASK_CHANGE_BIT(remote_modifier_state, MapLeftAltMask, pressed); |
968 |
break; |
969 |
case SCANCODE_CHAR_RALT: |
970 |
MASK_CHANGE_BIT(remote_modifier_state, MapRightAltMask, pressed); |
971 |
break; |
972 |
case SCANCODE_CHAR_LWIN: |
973 |
MASK_CHANGE_BIT(remote_modifier_state, MapLeftWinMask, pressed); |
974 |
break; |
975 |
case SCANCODE_CHAR_RWIN: |
976 |
MASK_CHANGE_BIT(remote_modifier_state, MapRightWinMask, pressed); |
977 |
break; |
978 |
case SCANCODE_CHAR_NUMLOCK: |
979 |
/* KeyReleases for NumLocks are sent immediately. Toggle the |
980 |
modifier state only on Keypress */ |
981 |
if (pressed && !g_numlock_sync) |
982 |
{ |
983 |
BOOL newNumLockState; |
984 |
newNumLockState = |
985 |
(MASK_HAS_BITS |
986 |
(remote_modifier_state, MapNumLockMask) == False); |
987 |
MASK_CHANGE_BIT(remote_modifier_state, |
988 |
MapNumLockMask, newNumLockState); |
989 |
} |
990 |
} |
991 |
|
992 |
#ifdef WITH_DEBUG_KBD |
993 |
if (old_modifier_state != remote_modifier_state) |
994 |
{ |
995 |
DEBUG_KBD(("Before updating modifier_state:0x%x, pressed=0x%x\n", |
996 |
old_modifier_state, pressed)); |
997 |
DEBUG_KBD(("After updating modifier_state:0x%x\n", remote_modifier_state)); |
998 |
} |
999 |
#endif |
1000 |
|
1001 |
} |
1002 |
|
1003 |
/* Send keyboard input */ |
1004 |
void |
1005 |
rdp_send_scancode(uint32 time, uint16 flags, uint8 scancode) |
1006 |
{ |
1007 |
update_modifier_state(scancode, !(flags & RDP_KEYRELEASE)); |
1008 |
|
1009 |
if (scancode & SCANCODE_EXTENDED) |
1010 |
{ |
1011 |
DEBUG_KBD(("Sending extended scancode=0x%x, flags=0x%x\n", |
1012 |
scancode & ~SCANCODE_EXTENDED, flags)); |
1013 |
rdp_send_input(time, RDP_INPUT_SCANCODE, flags | KBD_FLAG_EXT, |
1014 |
scancode & ~SCANCODE_EXTENDED, 0); |
1015 |
} |
1016 |
else |
1017 |
{ |
1018 |
DEBUG_KBD(("Sending scancode=0x%x, flags=0x%x\n", scancode, flags)); |
1019 |
rdp_send_input(time, RDP_INPUT_SCANCODE, flags, scancode, 0); |
1020 |
} |
1021 |
} |