1 |
/* |
/* |
2 |
rdesktop: A Remote Desktop Protocol client. |
rdesktop: A Remote Desktop Protocol client. |
3 |
User interface services - X keyboard mapping |
User interface services - X keyboard mapping |
4 |
Copyright (C) Matthew Chapman 1999-2001 |
Copyright (C) Matthew Chapman 1999-2002 |
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|
|
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This program is free software; you can redistribute it and/or modify |
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 |
it under the terms of the GNU General Public License as published by |
12 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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 |
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 |
along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
19 |
*/ |
*/ |
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#ifdef RDP2VNC |
22 |
|
#include "vnc/x11stubs.h" |
23 |
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#else |
24 |
#include <X11/Xlib.h> |
#include <X11/Xlib.h> |
25 |
#define XK_MISCELLANY |
#include <X11/keysym.h> |
26 |
#include <X11/keysymdef.h> |
#endif |
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|
|
28 |
#include <ctype.h> |
#include <ctype.h> |
29 |
#include <limits.h> |
#include <limits.h> |
30 |
#include <time.h> |
#include <time.h> |
31 |
#include "rdesktop.h" |
#include "rdesktop.h" |
32 |
#include "scancodes.h" |
#include "scancodes.h" |
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|
|
34 |
#define KEYMAP_SIZE 4096 |
#define KEYMAP_SIZE 0xffff+1 |
35 |
#define KEYMAP_MASK (KEYMAP_SIZE - 1) |
#define KEYMAP_MASK 0xffff |
36 |
#define KEYMAP_MAX_LINE_LENGTH 80 |
#define KEYMAP_MAX_LINE_LENGTH 80 |
37 |
|
|
38 |
extern Display *display; |
extern Display *g_display; |
39 |
extern char keymapname[16]; |
extern char keymapname[16]; |
40 |
extern int keylayout; |
extern int keylayout; |
41 |
extern BOOL enable_compose; |
extern int g_win_button_size; |
42 |
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extern BOOL g_enable_compose; |
43 |
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44 |
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static BOOL keymap_loaded; |
45 |
static key_translation keymap[KEYMAP_SIZE]; |
static key_translation keymap[KEYMAP_SIZE]; |
46 |
static int min_keycode; |
static int min_keycode; |
47 |
static uint16 remote_modifier_state = 0; |
static uint16 remote_modifier_state = 0; |
48 |
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static uint16 saved_remote_modifier_state = 0; |
49 |
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|
50 |
static void update_modifier_state(uint16 modifiers, BOOL pressed); |
static void update_modifier_state(uint8 scancode, BOOL pressed); |
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|
52 |
static void |
static void |
53 |
add_to_keymap(char *keyname, uint8 scancode, uint16 modifiers, char *mapname) |
add_to_keymap(char *keyname, uint8 scancode, uint16 modifiers, char *mapname) |
57 |
keysym = XStringToKeysym(keyname); |
keysym = XStringToKeysym(keyname); |
58 |
if (keysym == NoSymbol) |
if (keysym == NoSymbol) |
59 |
{ |
{ |
60 |
error("Bad keysym %s in keymap %s\n", keyname, mapname); |
DEBUG_KBD(("Bad keysym \"%s\" in keymap %s (ignoring)\n", keyname, mapname)); |
61 |
return; |
return; |
62 |
} |
} |
63 |
|
|
75 |
xkeymap_read(char *mapname) |
xkeymap_read(char *mapname) |
76 |
{ |
{ |
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FILE *fp; |
FILE *fp; |
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char line[KEYMAP_MAX_LINE_LENGTH], path[PATH_MAX]; |
char line[KEYMAP_MAX_LINE_LENGTH]; |
79 |
|
char path[PATH_MAX], inplace_path[PATH_MAX]; |
80 |
unsigned int line_num = 0; |
unsigned int line_num = 0; |
81 |
unsigned int line_length = 0; |
unsigned int line_length = 0; |
82 |
char *keyname, *p; |
char *keyname, *p; |
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fp = fopen(path, "r"); |
fp = fopen(path, "r"); |
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if (fp == NULL) |
if (fp == NULL) |
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{ |
{ |
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error("Failed to open keymap %s\n", path); |
/* in case we are running from the source tree */ |
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return False; |
strcpy(inplace_path, "keymaps/"); |
96 |
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strncat(inplace_path, mapname, sizeof(inplace_path) - sizeof("keymaps/")); |
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|
98 |
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fp = fopen(inplace_path, "r"); |
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if (fp == NULL) |
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{ |
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error("Failed to open keymap %s\n", path); |
102 |
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return False; |
103 |
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} |
104 |
} |
} |
105 |
|
|
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/* FIXME: More tolerant on white space */ |
/* FIXME: More tolerant on white space */ |
141 |
if (strncmp(line, "enable_compose", 15) == 0) |
if (strncmp(line, "enable_compose", 15) == 0) |
142 |
{ |
{ |
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DEBUG_KBD(("Enabling compose handling\n")); |
DEBUG_KBD(("Enabling compose handling\n")); |
144 |
enable_compose = True; |
g_enable_compose = True; |
145 |
continue; |
continue; |
146 |
} |
} |
147 |
|
|
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/* Automatically add uppercase key, with same modifiers |
/* Automatically add uppercase key, with same modifiers |
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plus shift */ |
plus shift */ |
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for (p = keyname; *p; p++) |
for (p = keyname; *p; p++) |
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*p = toupper(*p); |
*p = toupper((int) *p); |
208 |
MASK_ADD_BITS(modifiers, MapLeftShiftMask); |
MASK_ADD_BITS(modifiers, MapLeftShiftMask); |
209 |
add_to_keymap(keyname, scancode, modifiers, mapname); |
add_to_keymap(keyname, scancode, modifiers, mapname); |
210 |
} |
} |
220 |
xkeymap_init(void) |
xkeymap_init(void) |
221 |
{ |
{ |
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unsigned int max_keycode; |
unsigned int max_keycode; |
223 |
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char *mapname_ptr; |
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225 |
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/* Make keymapname lowercase */ |
226 |
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mapname_ptr = keymapname; |
227 |
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while (*mapname_ptr) |
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{ |
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*mapname_ptr = tolower((int) *mapname_ptr); |
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mapname_ptr++; |
231 |
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} |
232 |
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|
233 |
if (strcmp(keymapname, "none")) |
if (strcmp(keymapname, "none")) |
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xkeymap_read(keymapname); |
{ |
235 |
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if (xkeymap_read(keymapname)) |
236 |
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keymap_loaded = True; |
237 |
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} |
238 |
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|
239 |
XDisplayKeycodes(display, &min_keycode, (int *) &max_keycode); |
XDisplayKeycodes(g_display, &min_keycode, (int *) &max_keycode); |
240 |
} |
} |
241 |
|
|
242 |
/* Handles, for example, multi-scancode keypresses (which is not |
/* Handles, for example, multi-scancode keypresses (which is not |
243 |
possible via keymap-files) */ |
possible via keymap-files) */ |
244 |
BOOL |
BOOL |
245 |
handle_special_keys(uint32 keysym, uint32 ev_time, BOOL pressed) |
handle_special_keys(uint32 keysym, unsigned int state, uint32 ev_time, BOOL pressed) |
246 |
{ |
{ |
247 |
switch (keysym) |
switch (keysym) |
248 |
{ |
{ |
249 |
case XK_Break: /* toggle full screen */ |
case XK_Return: |
250 |
if (get_key_state(XK_Alt_L) || get_key_state(XK_Alt_R)) |
if ((get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R)) |
251 |
|
&& (get_key_state(state, XK_Control_L) |
252 |
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|| get_key_state(state, XK_Control_R))) |
253 |
{ |
{ |
254 |
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/* Ctrl-Alt-Enter: toggle full screen */ |
255 |
if (pressed) |
if (pressed) |
256 |
xwin_toggle_fullscreen(); |
xwin_toggle_fullscreen(); |
257 |
return True; |
return True; |
258 |
} |
} |
259 |
break; |
break; |
260 |
|
|
261 |
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case XK_Break: |
262 |
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/* Send Break sequence E0 46 E0 C6 */ |
263 |
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if (pressed) |
264 |
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{ |
265 |
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rdp_send_scancode(ev_time, RDP_KEYPRESS, |
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(SCANCODE_EXTENDED | 0x46)); |
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rdp_send_scancode(ev_time, RDP_KEYPRESS, |
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(SCANCODE_EXTENDED | 0xc6)); |
269 |
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} |
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/* No release sequence */ |
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return True; |
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|
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case XK_Pause: |
case XK_Pause: |
274 |
/* According to MS Keyboard Scan Code |
/* According to MS Keyboard Scan Code |
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Specification, pressing Pause should result |
Specification, pressing Pause should result |
290 |
} |
} |
291 |
else |
else |
292 |
{ |
{ |
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// Release Left Ctrl |
/* Release Left Ctrl */ |
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rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYRELEASE, 0x1d, |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYRELEASE, |
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0); |
0x1d, 0); |
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} |
} |
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return True; |
return True; |
|
break; |
|
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|
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case XK_Meta_L: /* Windows keys */ |
case XK_Meta_L: /* Windows keys */ |
300 |
case XK_Super_L: |
case XK_Super_L: |
313 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
314 |
} |
} |
315 |
return True; |
return True; |
316 |
break; |
|
317 |
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case XK_space: |
318 |
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/* Prevent access to the Windows system menu in single app mode */ |
319 |
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if (g_win_button_size |
320 |
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&& (get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R))) |
321 |
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return True; |
322 |
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|
323 |
} |
} |
324 |
return False; |
return False; |
325 |
} |
} |
356 |
return tr; |
return tr; |
357 |
} |
} |
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|
359 |
DEBUG_KBD(("No translation for (keysym 0x%lx, %s)\n", keysym, get_ksname(keysym))); |
if (keymap_loaded) |
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warning("No translation for (keysym 0x%lx, %s)\n", keysym, get_ksname(keysym)); |
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|
362 |
/* not in keymap, try to interpret the raw scancode */ |
/* not in keymap, try to interpret the raw scancode */ |
363 |
if ((keycode >= min_keycode) && (keycode <= 0x60)) |
if (((int) keycode >= min_keycode) && (keycode <= 0x60)) |
364 |
{ |
{ |
365 |
tr.scancode = keycode - min_keycode; |
tr.scancode = keycode - min_keycode; |
366 |
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|
415 |
return ksname; |
return ksname; |
416 |
} |
} |
417 |
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418 |
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void |
419 |
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save_remote_modifiers() |
420 |
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{ |
421 |
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saved_remote_modifier_state = remote_modifier_state; |
422 |
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} |
423 |
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|
424 |
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void |
425 |
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restore_remote_modifiers(uint32 ev_time) |
426 |
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{ |
427 |
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key_translation dummy; |
428 |
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429 |
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dummy.scancode = 0; |
430 |
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dummy.modifiers = saved_remote_modifier_state; |
431 |
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ensure_remote_modifiers(ev_time, dummy); |
432 |
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} |
433 |
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|
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void |
void |
435 |
ensure_remote_modifiers(uint32 ev_time, key_translation tr) |
ensure_remote_modifiers(uint32 ev_time, key_translation tr) |
451 |
break; |
break; |
452 |
} |
} |
453 |
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454 |
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/* NumLock */ |
455 |
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if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask) |
456 |
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!= MASK_HAS_BITS(remote_modifier_state, MapNumLockMask)) |
457 |
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{ |
458 |
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/* The remote modifier state is not correct */ |
459 |
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uint16 new_remote_state; |
460 |
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|
461 |
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if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask)) |
462 |
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{ |
463 |
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DEBUG_KBD(("Remote NumLock state is incorrect, activating NumLock.\n")); |
464 |
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new_remote_state = KBD_FLAG_NUMLOCK; |
465 |
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remote_modifier_state = MapNumLockMask; |
466 |
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} |
467 |
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else |
468 |
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{ |
469 |
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DEBUG_KBD(("Remote NumLock state is incorrect, deactivating NumLock.\n")); |
470 |
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new_remote_state = 0; |
471 |
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remote_modifier_state = 0; |
472 |
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} |
473 |
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474 |
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rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, new_remote_state, 0); |
475 |
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} |
476 |
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|
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/* Shift. Left shift and right shift are treated as equal; either is fine. */ |
/* Shift. Left shift and right shift are treated as equal; either is fine. */ |
478 |
if (MASK_HAS_BITS(tr.modifiers, MapShiftMask) |
if (MASK_HAS_BITS(tr.modifiers, MapShiftMask) |
479 |
!= MASK_HAS_BITS(remote_modifier_state, MapShiftMask)) |
!= MASK_HAS_BITS(remote_modifier_state, MapShiftMask)) |
518 |
} |
} |
519 |
} |
} |
520 |
|
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/* NumLock */ |
|
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if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask) |
|
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!= MASK_HAS_BITS(remote_modifier_state, MapNumLockMask)) |
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{ |
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/* The remote modifier state is not correct */ |
|
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uint16 new_remote_state = 0; |
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if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask)) |
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{ |
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DEBUG_KBD(("Remote NumLock state is incorrect, activating NumLock.\n")); |
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new_remote_state |= KBD_FLAG_NUMLOCK; |
|
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} |
|
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else |
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{ |
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DEBUG_KBD(("Remote NumLock state is incorrect, deactivating NumLock.\n")); |
|
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} |
|
521 |
|
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rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, new_remote_state, 0); |
|
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update_modifier_state(SCANCODE_CHAR_NUMLOCK, True); |
|
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} |
|
522 |
} |
} |
523 |
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|
524 |
|
|
525 |
void |
void |
526 |
reset_modifier_keys(void) |
reset_modifier_keys(unsigned int state) |
527 |
{ |
{ |
528 |
/* reset keys */ |
/* reset keys */ |
529 |
uint32 ev_time; |
uint32 ev_time; |
530 |
ev_time = time(NULL); |
ev_time = time(NULL); |
531 |
|
|
532 |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask) && !get_key_state(XK_Shift_L)) |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask) |
533 |
|
&& !get_key_state(state, XK_Shift_L)) |
534 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT); |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT); |
535 |
|
|
536 |
if (MASK_HAS_BITS(remote_modifier_state, MapRightShiftMask) && !get_key_state(XK_Shift_R)) |
if (MASK_HAS_BITS(remote_modifier_state, MapRightShiftMask) |
537 |
|
&& !get_key_state(state, XK_Shift_R)) |
538 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT); |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT); |
539 |
|
|
540 |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftCtrlMask) && !get_key_state(XK_Control_L)) |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftCtrlMask) |
541 |
|
&& !get_key_state(state, XK_Control_L)) |
542 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
543 |
|
|
544 |
if (MASK_HAS_BITS(remote_modifier_state, MapRightCtrlMask) && !get_key_state(XK_Control_R)) |
if (MASK_HAS_BITS(remote_modifier_state, MapRightCtrlMask) |
545 |
|
&& !get_key_state(state, XK_Control_R)) |
546 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL); |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL); |
547 |
|
|
548 |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftAltMask) && !get_key_state(XK_Alt_L)) |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftAltMask) && !get_key_state(state, XK_Alt_L)) |
549 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT); |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT); |
550 |
|
|
551 |
if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) && |
if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) && |
552 |
!get_key_state(XK_Alt_R) && !get_key_state(XK_Mode_switch)) |
!get_key_state(state, XK_Alt_R) && !get_key_state(state, XK_Mode_switch)) |
553 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
554 |
} |
} |
555 |
|
|
556 |
|
|
557 |
static void |
static void |
558 |
update_modifier_state(uint16 modifiers, BOOL pressed) |
update_modifier_state(uint8 scancode, BOOL pressed) |
559 |
{ |
{ |
560 |
#ifdef WITH_DEBUG_KBD |
#ifdef WITH_DEBUG_KBD |
561 |
uint16 old_modifier_state; |
uint16 old_modifier_state; |
563 |
old_modifier_state = remote_modifier_state; |
old_modifier_state = remote_modifier_state; |
564 |
#endif |
#endif |
565 |
|
|
566 |
switch (modifiers) |
switch (scancode) |
567 |
{ |
{ |
568 |
case SCANCODE_CHAR_LSHIFT: |
case SCANCODE_CHAR_LSHIFT: |
569 |
MASK_CHANGE_BIT(remote_modifier_state, MapLeftShiftMask, pressed); |
MASK_CHANGE_BIT(remote_modifier_state, MapLeftShiftMask, pressed); |
617 |
|
|
618 |
/* Send keyboard input */ |
/* Send keyboard input */ |
619 |
void |
void |
620 |
rdp_send_scancode(uint32 time, uint16 flags, uint16 scancode) |
rdp_send_scancode(uint32 time, uint16 flags, uint8 scancode) |
621 |
{ |
{ |
622 |
update_modifier_state(scancode, !(flags & RDP_KEYRELEASE)); |
update_modifier_state(scancode, !(flags & RDP_KEYRELEASE)); |
623 |
|
|