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/* |
/* |
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rdesktop: A Remote Desktop Protocol client. |
rdesktop: A Remote Desktop Protocol client. |
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User interface services - X keyboard mapping |
User interface services - X keyboard mapping |
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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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#include "rdesktop.h" |
#include "rdesktop.h" |
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#include "scancodes.h" |
#include "scancodes.h" |
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#define KEYMAP_SIZE 4096 |
#define KEYMAP_SIZE 0xffff+1 |
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#define KEYMAP_MASK (KEYMAP_SIZE - 1) |
#define KEYMAP_MASK 0xffff |
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#define KEYMAP_MAX_LINE_LENGTH 80 |
#define KEYMAP_MAX_LINE_LENGTH 80 |
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extern Display *display; |
extern Display *display; |
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extern int keylayout; |
extern int keylayout; |
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extern BOOL enable_compose; |
extern BOOL enable_compose; |
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static BOOL keymap_loaded; |
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static key_translation keymap[KEYMAP_SIZE]; |
static key_translation keymap[KEYMAP_SIZE]; |
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static int min_keycode; |
static int min_keycode; |
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static uint16 remote_modifier_state = 0; |
static uint16 remote_modifier_state = 0; |
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static void update_modifier_state(uint16 modifiers, BOOL pressed); |
static void update_modifier_state(uint8 scancode, BOOL pressed); |
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static void |
static void |
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add_to_keymap(char *keyname, uint8 scancode, uint16 modifiers, char *mapname) |
add_to_keymap(char *keyname, uint8 scancode, uint16 modifiers, char *mapname) |
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keysym = XStringToKeysym(keyname); |
keysym = XStringToKeysym(keyname); |
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if (keysym == NoSymbol) |
if (keysym == NoSymbol) |
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{ |
{ |
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error("Bad keysym %s in keymap %s\n", keyname, mapname); |
warning("Bad keysym %s in keymap %s\n", keyname, mapname); |
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return; |
return; |
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} |
} |
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xkeymap_read(char *mapname) |
xkeymap_read(char *mapname) |
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{ |
{ |
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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]; |
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char path[PATH_MAX], inplace_path[PATH_MAX]; |
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unsigned int line_num = 0; |
unsigned int line_num = 0; |
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unsigned int line_length = 0; |
unsigned int line_length = 0; |
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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/"); |
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strncat(inplace_path, mapname, sizeof(inplace_path) - sizeof("keymaps/")); |
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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); |
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return False; |
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} |
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} |
} |
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/* FIXME: More tolerant on white space */ |
/* FIXME: More tolerant on white space */ |
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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); |
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MASK_ADD_BITS(modifiers, MapLeftShiftMask); |
MASK_ADD_BITS(modifiers, MapLeftShiftMask); |
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add_to_keymap(keyname, scancode, modifiers, mapname); |
add_to_keymap(keyname, scancode, modifiers, mapname); |
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} |
} |
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xkeymap_init(void) |
xkeymap_init(void) |
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{ |
{ |
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unsigned int max_keycode; |
unsigned int max_keycode; |
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char *mapname_ptr; |
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/* Make keymapname lowercase */ |
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mapname_ptr = keymapname; |
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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++; |
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} |
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if (strcmp(keymapname, "none")) |
if (strcmp(keymapname, "none")) |
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xkeymap_read(keymapname); |
{ |
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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); |
XDisplayKeycodes(display, &min_keycode, (int *) &max_keycode); |
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} |
} |
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/* Handles, for example, multi-scancode keypresses (which is not |
/* Handles, for example, multi-scancode keypresses (which is not |
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possible via keymap-files) */ |
possible via keymap-files) */ |
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BOOL |
BOOL |
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handle_special_keys(uint32 keysym, uint32 ev_time, BOOL pressed) |
handle_special_keys(uint32 keysym, unsigned int state, uint32 ev_time, BOOL pressed) |
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{ |
{ |
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switch (keysym) |
switch (keysym) |
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{ |
{ |
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case XK_Break: /* toggle full screen */ |
case XK_Return: |
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if (pressed && (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)) |
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&& (get_key_state(state, XK_Control_L) |
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|| get_key_state(state, XK_Control_R))) |
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{ |
{ |
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xwin_toggle_fullscreen(); |
/* Ctrl-Alt-Enter: toggle full screen */ |
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if (pressed) |
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xwin_toggle_fullscreen(); |
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return True; |
return True; |
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} |
} |
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break; |
break; |
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case XK_Break: |
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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 release sequence */ |
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return True; |
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case XK_Pause: |
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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 |
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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, |
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0x1d, 0); |
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} |
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return True; |
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case XK_Meta_L: /* Windows keys */ |
case XK_Meta_L: /* Windows keys */ |
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case XK_Super_L: |
case XK_Super_L: |
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case XK_Hyper_L: |
case XK_Hyper_L: |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
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} |
} |
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return True; |
return True; |
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break; |
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} |
} |
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return False; |
return False; |
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} |
} |
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if (tr.scancode != 0) |
if (tr.scancode != 0) |
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{ |
{ |
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DEBUG_KBD(("Found key translation, scancode=0x%x, modifiers=0x%x\n", |
DEBUG_KBD(("Found key translation, scancode=0x%x, modifiers=0x%x\n", |
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tr.scancode, tr.modifiers)); |
tr.scancode, tr.modifiers)); |
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return tr; |
return tr; |
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} |
} |
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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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/* not in keymap, try to interpret the raw scancode */ |
/* not in keymap, try to interpret the raw scancode */ |
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if ((keycode >= min_keycode) && (keycode <= 0x60)) |
if ((keycode >= min_keycode) && (keycode <= 0x60)) |
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break; |
break; |
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} |
} |
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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; |
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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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remote_modifier_state = MapNumLockMask; |
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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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new_remote_state = 0; |
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remote_modifier_state = 0; |
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} |
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rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, new_remote_state, 0); |
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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. */ |
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if (MASK_HAS_BITS(tr.modifiers, MapShiftMask) |
if (MASK_HAS_BITS(tr.modifiers, MapShiftMask) |
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!= MASK_HAS_BITS(remote_modifier_state, MapShiftMask)) |
!= MASK_HAS_BITS(remote_modifier_state, MapShiftMask)) |
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} |
} |
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} |
} |
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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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} |
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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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} |
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} |
} |
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void |
void |
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reset_modifier_keys() |
reset_modifier_keys(unsigned int state) |
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{ |
{ |
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/* reset keys */ |
/* reset keys */ |
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uint32 ev_time; |
uint32 ev_time; |
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ev_time = time(NULL); |
ev_time = time(NULL); |
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if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask) && !get_key_state(XK_Shift_L)) |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask) |
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&& !get_key_state(state, XK_Shift_L)) |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT); |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT); |
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if (MASK_HAS_BITS(remote_modifier_state, MapRightShiftMask) && !get_key_state(XK_Shift_R)) |
if (MASK_HAS_BITS(remote_modifier_state, MapRightShiftMask) |
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&& !get_key_state(state, XK_Shift_R)) |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT); |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT); |
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if (MASK_HAS_BITS(remote_modifier_state, MapLeftCtrlMask) && !get_key_state(XK_Control_L)) |
if (MASK_HAS_BITS(remote_modifier_state, MapLeftCtrlMask) |
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&& !get_key_state(state, XK_Control_L)) |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
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if (MASK_HAS_BITS(remote_modifier_state, MapRightCtrlMask) && !get_key_state(XK_Control_R)) |
if (MASK_HAS_BITS(remote_modifier_state, MapRightCtrlMask) |
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&& !get_key_state(state, XK_Control_R)) |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL); |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL); |
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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)) |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT); |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT); |
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if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) && |
if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) && |
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!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)) |
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rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
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} |
} |
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static void |
static void |
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update_modifier_state(uint16 modifiers, BOOL pressed) |
update_modifier_state(uint8 scancode, BOOL pressed) |
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{ |
{ |
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#ifdef WITH_DEBUG_KBD |
#ifdef WITH_DEBUG_KBD |
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uint16 old_modifier_state; |
uint16 old_modifier_state; |
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old_modifier_state = remote_modifier_state; |
old_modifier_state = remote_modifier_state; |
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#endif |
#endif |
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switch (modifiers) |
switch (scancode) |
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{ |
{ |
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case SCANCODE_CHAR_LSHIFT: |
case SCANCODE_CHAR_LSHIFT: |
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MASK_CHANGE_BIT(remote_modifier_state, MapLeftShiftMask, pressed); |
MASK_CHANGE_BIT(remote_modifier_state, MapLeftShiftMask, pressed); |
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/* Send keyboard input */ |
/* Send keyboard input */ |
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void |
void |
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rdp_send_scancode(uint32 time, uint16 flags, uint16 scancode) |
rdp_send_scancode(uint32 time, uint16 flags, uint8 scancode) |
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{ |
{ |
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update_modifier_state(scancode, !(flags & RDP_KEYRELEASE)); |
update_modifier_state(scancode, !(flags & RDP_KEYRELEASE)); |
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