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/* |
/* |
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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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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 |
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*/ |
*/ |
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#include <X11/Xlib.h> |
#include <X11/Xlib.h> |
22 |
#include <X11/keysym.h> |
#define XK_MISCELLANY |
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#include <stdio.h> |
#include <X11/keysymdef.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <ctype.h> |
#include <ctype.h> |
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#include <limits.h> |
#include <limits.h> |
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#include <time.h> |
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#include "rdesktop.h" |
#include "rdesktop.h" |
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#include "scancodes.h" |
#include "scancodes.h" |
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36 |
extern int keylayout; |
extern int keylayout; |
37 |
extern BOOL enable_compose; |
extern BOOL enable_compose; |
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39 |
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static BOOL keymap_loaded; |
40 |
static key_translation keymap[KEYMAP_SIZE]; |
static key_translation keymap[KEYMAP_SIZE]; |
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static int min_keycode; |
static int min_keycode; |
42 |
static uint16 remote_modifier_state = 0; |
static uint16 remote_modifier_state = 0; |
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static void update_modifier_state(uint8 scancode, BOOL pressed); |
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static void |
static void |
47 |
add_to_keymap(char *keyname, uint8 scancode, uint16 modifiers, char *mapname) |
add_to_keymap(char *keyname, uint8 scancode, uint16 modifiers, char *mapname) |
48 |
{ |
{ |
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MASK_ADD_BITS(modifiers, MapLocalStateMask); |
MASK_ADD_BITS(modifiers, MapLocalStateMask); |
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} |
} |
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180 |
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if (strstr(line_rest, "inhibit")) |
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{ |
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MASK_ADD_BITS(modifiers, MapInhibitMask); |
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} |
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add_to_keymap(keyname, scancode, modifiers, mapname); |
add_to_keymap(keyname, scancode, modifiers, mapname); |
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if (strstr(line_rest, "addupper")) |
if (strstr(line_rest, "addupper")) |
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/* Before connecting and creating UI */ |
/* Before connecting and creating UI */ |
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void |
void |
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xkeymap_init1(void) |
xkeymap_init(void) |
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{ |
{ |
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int i; |
unsigned int max_keycode; |
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/* Zeroing keymap */ |
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for (i = 0; i < KEYMAP_SIZE; i++) |
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{ |
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keymap[i].scancode = 0; |
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keymap[i].modifiers = 0; |
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} |
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if (strcmp(keymapname, "none")) |
if (strcmp(keymapname, "none")) |
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{ |
{ |
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xkeymap_read(keymapname); |
if (xkeymap_read(keymapname)) |
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keymap_loaded = True; |
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} |
} |
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XDisplayKeycodes(display, &min_keycode, (int *) &max_keycode); |
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} |
} |
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/* After connecting and creating UI */ |
/* Handles, for example, multi-scancode keypresses (which is not |
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void |
possible via keymap-files) */ |
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xkeymap_init2(void) |
BOOL |
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handle_special_keys(uint32 keysym, unsigned int state, uint32 ev_time, BOOL pressed) |
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{ |
{ |
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unsigned int max_keycode; |
switch (keysym) |
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XDisplayKeycodes(display, &min_keycode, (int *) &max_keycode); |
{ |
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case XK_Break: |
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case XK_Pause: |
227 |
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if ((get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R)) |
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&& (get_key_state(state, XK_Control_L) || get_key_state(state, XK_Control_R))) |
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{ |
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/* Ctrl-Alt-Break: toggle full screen */ |
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if (pressed) |
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xwin_toggle_fullscreen(); |
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} |
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else if (keysym == XK_Break) |
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{ |
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/* Send Break sequence E0 46 E0 C6 */ |
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if (pressed) |
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{ |
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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)); |
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} |
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/* No break sequence */ |
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} |
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else /* XK_Pause */ |
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{ |
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/* According to MS Keyboard Scan Code |
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Specification, pressing Pause should result |
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in E1 1D 45 E1 9D C5. I'm not exactly sure |
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of how this is supposed to be sent via |
253 |
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RDP. The code below seems to work, but with |
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the side effect that Left Ctrl stays |
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down. Therefore, we release it when Pause |
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is released. */ |
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if (pressed) |
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{ |
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rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xe1, 0); |
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rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x1d, 0); |
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rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x45, 0); |
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rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xe1, 0); |
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rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x9d, 0); |
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rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xc5, 0); |
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} |
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else |
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{ |
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/* Release Left Ctrl */ |
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rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYRELEASE, 0x1d, |
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0); |
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} |
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} |
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return True; |
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case XK_Meta_L: /* Windows keys */ |
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case XK_Super_L: |
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case XK_Hyper_L: |
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case XK_Meta_R: |
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case XK_Super_R: |
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case XK_Hyper_R: |
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if (pressed) |
282 |
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{ |
283 |
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rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_LCTRL); |
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rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_ESC); |
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} |
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else |
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{ |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_ESC); |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
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} |
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return True; |
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} |
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return False; |
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} |
} |
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key_translation |
key_translation |
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xkeymap_translate_key(KeySym keysym, unsigned int keycode, unsigned int state) |
xkeymap_translate_key(uint32 keysym, unsigned int keycode, unsigned int state) |
299 |
{ |
{ |
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key_translation tr = { 0, 0 }; |
key_translation tr = { 0, 0 }; |
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tr = keymap[keysym & KEYMAP_MASK]; |
tr = keymap[keysym & KEYMAP_MASK]; |
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304 |
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if (tr.modifiers & MapInhibitMask) |
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{ |
306 |
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DEBUG_KBD(("Inhibiting key\n")); |
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tr.scancode = 0; |
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return tr; |
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} |
310 |
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if (tr.modifiers & MapLocalStateMask) |
if (tr.modifiers & MapLocalStateMask) |
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{ |
{ |
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/* The modifiers to send for this key should be obtained |
/* The modifiers to send for this key should be obtained |
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if (tr.scancode != 0) |
if (tr.scancode != 0) |
322 |
{ |
{ |
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DEBUG_KBD |
DEBUG_KBD(("Found key translation, scancode=0x%x, modifiers=0x%x\n", |
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(("Found key translation, scancode=0x%x, modifiers=0x%x\n", |
tr.scancode, tr.modifiers)); |
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tr.scancode, tr.modifiers)); |
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return tr; |
return tr; |
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} |
} |
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printf("No translation for (keysym 0x%lx, %s)\n", keysym, get_ksname(keysym)); |
if (keymap_loaded) |
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error("No translation for (keysym 0x%lx, %s)\n", keysym, get_ksname(keysym)); |
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/* not in keymap, try to interpret the raw scancode */ |
/* not in keymap, try to interpret the raw scancode */ |
332 |
if ((keycode >= min_keycode) && (keycode <= 0x60)) |
if ((keycode >= min_keycode) && (keycode <= 0x60)) |
333 |
{ |
{ |
334 |
tr.scancode = keycode - min_keycode; |
tr.scancode = keycode - min_keycode; |
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printf("Sending guessed scancode 0x%x\n", tr.scancode); |
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/* The modifiers to send for this key should be |
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obtained from the local state. Currently, only |
338 |
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shift is implemented. */ |
339 |
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if (state & ShiftMask) |
340 |
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{ |
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tr.modifiers = MapLeftShiftMask; |
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} |
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344 |
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DEBUG_KBD(("Sending guessed scancode 0x%x\n", tr.scancode)); |
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} |
} |
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else |
else |
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{ |
{ |
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printf("No good guess for keycode 0x%x found\n", keycode); |
DEBUG_KBD(("No good guess for keycode 0x%x found\n", keycode)); |
349 |
} |
} |
350 |
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return tr; |
return tr; |
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} |
} |
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char * |
char * |
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get_ksname(KeySym keysym) |
get_ksname(uint32 keysym) |
376 |
{ |
{ |
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char *ksname = NULL; |
char *ksname = NULL; |
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return ksname; |
return ksname; |
385 |
} |
} |
386 |
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BOOL |
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inhibit_key(KeySym keysym) |
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{ |
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switch (keysym) |
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{ |
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case XK_Caps_Lock: |
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return True; |
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break; |
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case XK_Multi_key: |
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return True; |
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break; |
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default: |
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break; |
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} |
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return False; |
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} |
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void |
void |
389 |
ensure_remote_modifiers(uint32 ev_time, key_translation tr) |
ensure_remote_modifiers(uint32 ev_time, key_translation tr) |
405 |
break; |
break; |
406 |
} |
} |
407 |
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/* Shift */ |
/* Shift. Left shift and right shift are treated as equal; either is fine. */ |
409 |
if (MASK_HAS_BITS(tr.modifiers, MapShiftMask) |
if (MASK_HAS_BITS(tr.modifiers, MapShiftMask) |
410 |
!= MASK_HAS_BITS(remote_modifier_state, MapShiftMask)) |
!= MASK_HAS_BITS(remote_modifier_state, MapShiftMask)) |
411 |
{ |
{ |
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/* The remote modifier state is not correct */ |
/* The remote modifier state is not correct */ |
413 |
if (MASK_HAS_BITS(tr.modifiers, MapShiftMask)) |
if (MASK_HAS_BITS(tr.modifiers, MapLeftShiftMask)) |
414 |
{ |
{ |
415 |
/* Needs this modifier. Send down. */ |
/* Needs left shift. Send down. */ |
416 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_LSHIFT); |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_LSHIFT); |
417 |
} |
} |
418 |
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else if (MASK_HAS_BITS(tr.modifiers, MapRightShiftMask)) |
419 |
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{ |
420 |
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/* Needs right shift. Send down. */ |
421 |
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rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_RSHIFT); |
422 |
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} |
423 |
else |
else |
424 |
{ |
{ |
425 |
/* Should not use this modifier. Send up. */ |
/* Should not use this modifier. Send up for shift currently pressed. */ |
426 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT); |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask)) |
427 |
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/* Left shift is down */ |
428 |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT); |
429 |
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else |
430 |
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/* Right shift is down */ |
431 |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT); |
432 |
} |
} |
433 |
} |
} |
434 |
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454 |
!= MASK_HAS_BITS(remote_modifier_state, MapNumLockMask)) |
!= MASK_HAS_BITS(remote_modifier_state, MapNumLockMask)) |
455 |
{ |
{ |
456 |
/* The remote modifier state is not correct */ |
/* The remote modifier state is not correct */ |
457 |
DEBUG_KBD(("Remote NumLock state is incorrect. Toggling\n")); |
uint16 new_remote_state = 0; |
458 |
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459 |
if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask)) |
if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask)) |
460 |
{ |
{ |
461 |
/* Needs this modifier. Toggle */ |
DEBUG_KBD(("Remote NumLock state is incorrect, activating NumLock.\n")); |
462 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_NUMLOCK); |
new_remote_state |= KBD_FLAG_NUMLOCK; |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_NUMLOCK); |
|
463 |
} |
} |
464 |
else |
else |
465 |
{ |
{ |
466 |
/* Should not use this modifier. Toggle */ |
DEBUG_KBD(("Remote NumLock state is incorrect, deactivating NumLock.\n")); |
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rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_NUMLOCK); |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_NUMLOCK); |
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467 |
} |
} |
468 |
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469 |
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rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, new_remote_state, 0); |
470 |
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update_modifier_state(SCANCODE_CHAR_NUMLOCK, True); |
471 |
} |
} |
472 |
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} |
473 |
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474 |
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475 |
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void |
476 |
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reset_modifier_keys(unsigned int state) |
477 |
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{ |
478 |
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/* reset keys */ |
479 |
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uint32 ev_time; |
480 |
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ev_time = time(NULL); |
481 |
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482 |
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if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask) && !get_key_state(state, XK_Shift_L)) |
483 |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT); |
484 |
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485 |
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if (MASK_HAS_BITS(remote_modifier_state, MapRightShiftMask) && !get_key_state(state, XK_Shift_R)) |
486 |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT); |
487 |
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488 |
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if (MASK_HAS_BITS(remote_modifier_state, MapLeftCtrlMask) && !get_key_state(state, XK_Control_L)) |
489 |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
490 |
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491 |
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if (MASK_HAS_BITS(remote_modifier_state, MapRightCtrlMask) && !get_key_state(state, XK_Control_R)) |
492 |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL); |
493 |
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494 |
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if (MASK_HAS_BITS(remote_modifier_state, MapLeftAltMask) && !get_key_state(state, XK_Alt_L)) |
495 |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT); |
496 |
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497 |
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if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) && |
498 |
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!get_key_state(state, XK_Alt_R) && !get_key_state(state, XK_Mode_switch)) |
499 |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
500 |
} |
} |
501 |
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502 |
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503 |
static void |
static void |
504 |
update_modifier_state(uint16 modifiers, BOOL pressed) |
update_modifier_state(uint8 scancode, BOOL pressed) |
505 |
{ |
{ |
506 |
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#ifdef WITH_DEBUG_KBD |
507 |
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uint16 old_modifier_state; |
508 |
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|
509 |
DEBUG_KBD(("Before updating modifier_state:0x%x, pressed=0x%x\n", |
old_modifier_state = remote_modifier_state; |
510 |
remote_modifier_state, pressed)); |
#endif |
511 |
switch (modifiers) |
|
512 |
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switch (scancode) |
513 |
{ |
{ |
514 |
case SCANCODE_CHAR_LSHIFT: |
case SCANCODE_CHAR_LSHIFT: |
515 |
MASK_CHANGE_BIT(remote_modifier_state, MapLeftShiftMask, pressed); |
MASK_CHANGE_BIT(remote_modifier_state, MapLeftShiftMask, pressed); |
549 |
} |
} |
550 |
break; |
break; |
551 |
} |
} |
552 |
DEBUG_KBD(("After updating modifier_state:0x%x\n", remote_modifier_state)); |
|
553 |
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#ifdef WITH_DEBUG_KBD |
554 |
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if (old_modifier_state != remote_modifier_state) |
555 |
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{ |
556 |
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DEBUG_KBD(("Before updating modifier_state:0x%x, pressed=0x%x\n", |
557 |
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old_modifier_state, pressed)); |
558 |
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DEBUG_KBD(("After updating modifier_state:0x%x\n", remote_modifier_state)); |
559 |
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} |
560 |
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#endif |
561 |
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|
562 |
} |
} |
563 |
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|
564 |
/* Send keyboard input */ |
/* Send keyboard input */ |
565 |
void |
void |
566 |
rdp_send_scancode(uint32 time, uint16 flags, uint16 scancode) |
rdp_send_scancode(uint32 time, uint16 flags, uint8 scancode) |
567 |
{ |
{ |
568 |
update_modifier_state(scancode, !(flags & RDP_KEYRELEASE)); |
update_modifier_state(scancode, !(flags & RDP_KEYRELEASE)); |
569 |
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