bbeb187681
might be different from the one generated when the key was pressed. This can happen if the user physically releases the modifier key before the symbol key. It can also happen with VNC servers such as Xvnc, since it only "fakes" the correct modifiers during key presses. So, we must remember which keysym that was used during the key press, and use the same on release, otherwise keys such as the Windows key can be stuck activated. git-svn-id: svn://svn.code.sf.net/p/rdesktop/code/rdesktop/trunk@1512 423420c4-83ab-492f-b58f-81f9feb106b5
1063 lines
24 KiB
C
1063 lines
24 KiB
C
/* -*- c-basic-offset: 8 -*-
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rdesktop: A Remote Desktop Protocol client.
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User interface services - X keyboard mapping
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Copyright (C) Matthew Chapman 1999-2008
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Copyright (C) Peter Astrand <astrand@cendio.se> 2003-2008
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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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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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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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#ifdef RDP2VNC
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#include "vnc/x11stubs.h"
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#else
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#include <X11/Xlib.h>
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#include <X11/keysym.h>
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#endif
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#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 <assert.h>
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#include "rdesktop.h"
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#include "scancodes.h"
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#define KEYMAP_SIZE 0xffff+1
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#define KEYMAP_MASK 0xffff
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#define KEYMAP_MAX_LINE_LENGTH 80
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extern Display *g_display;
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extern Window g_wnd;
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extern char g_keymapname[16];
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extern unsigned int g_keylayout;
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extern int g_keyboard_type;
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extern int g_keyboard_subtype;
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extern int g_keyboard_functionkeys;
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extern int g_win_button_size;
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extern RD_BOOL g_enable_compose;
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extern RD_BOOL g_use_rdp5;
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extern RD_BOOL g_numlock_sync;
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static RD_BOOL keymap_loaded;
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static key_translation *keymap[KEYMAP_SIZE];
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static KeySym keypress_keysyms[256];
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static int min_keycode;
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static uint16 remote_modifier_state = 0;
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static uint16 saved_remote_modifier_state = 0;
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static void update_modifier_state(uint8 scancode, RD_BOOL pressed);
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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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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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static void
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add_to_keymap(char *keyname, uint8 scancode, uint16 modifiers, char *mapname)
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{
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KeySym keysym;
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key_translation *tr;
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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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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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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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return;
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}
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static void
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add_sequence(char *rest, char *mapname)
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{
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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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/* 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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/* 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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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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DEBUG_KBD(("Adding sequence for keysym (0x%lx, %s) -> ", keysym, keyname));
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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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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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/* 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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keysym = XStringToKeysym(keyname);
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if (keysym == NoSymbol)
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{
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DEBUG_KBD(("Bad keysym \"%s\" in keymap %s (ignoring line)\n", keyname,
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mapname));
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return;
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}
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/* Allocate space for key_translation structure */
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tr = (key_translation *) xmalloc(sizeof(key_translation));
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memset(tr, 0, sizeof(key_translation));
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*prev_next = tr;
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prev_next = &tr->next;
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tr->seq_keysym = keysym;
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DEBUG_KBD(("0x%x, ", (unsigned int) keysym));
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}
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DEBUG_KBD(("\n"));
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}
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RD_BOOL
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xkeymap_from_locale(const char *locale)
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{
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char *str, *ptr;
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FILE *fp;
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/* Create a working copy */
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str = xstrdup(locale);
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/* Truncate at dot and at */
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ptr = strrchr(str, '.');
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if (ptr)
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*ptr = '\0';
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ptr = strrchr(str, '@');
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if (ptr)
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*ptr = '\0';
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/* Replace _ with - */
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ptr = strrchr(str, '_');
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if (ptr)
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*ptr = '-';
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/* Convert to lowercase */
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ptr = str;
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while (*ptr)
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{
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*ptr = tolower((int) *ptr);
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ptr++;
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}
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/* Try to open this keymap (da-dk) */
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fp = xkeymap_open(str);
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if (fp == NULL)
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{
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/* Truncate at dash */
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ptr = strrchr(str, '-');
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if (ptr)
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*ptr = '\0';
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/* Try the short name (da) */
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fp = xkeymap_open(str);
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}
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if (fp)
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{
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fclose(fp);
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STRNCPY(g_keymapname, str, sizeof(g_keymapname));
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xfree(str);
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return True;
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}
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xfree(str);
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return False;
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}
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/* Joins two path components. The result should be freed with
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xfree(). */
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static char *
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pathjoin(const char *a, const char *b)
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{
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char *result;
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result = xmalloc(PATH_MAX * 2 + 1);
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if (b[0] == '/')
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{
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strncpy(result, b, PATH_MAX);
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}
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else
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{
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strncpy(result, a, PATH_MAX);
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strcat(result, "/");
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strncat(result, b, PATH_MAX);
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}
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return result;
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}
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/* Try to open a keymap with fopen() */
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FILE *
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xkeymap_open(const char *filename)
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{
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char *path1, *path2;
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char *home;
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FILE *fp;
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/* Try ~/.rdesktop/keymaps */
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home = getenv("HOME");
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if (home)
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{
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path1 = pathjoin(home, ".rdesktop/keymaps");
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path2 = pathjoin(path1, filename);
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xfree(path1);
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fp = fopen(path2, "r");
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xfree(path2);
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if (fp)
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return fp;
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}
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/* Try KEYMAP_PATH */
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path1 = pathjoin(KEYMAP_PATH, filename);
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fp = fopen(path1, "r");
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xfree(path1);
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if (fp)
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return fp;
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/* Try current directory, in case we are running from the source
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tree */
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path1 = pathjoin("keymaps", filename);
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fp = fopen(path1, "r");
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xfree(path1);
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if (fp)
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return fp;
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return NULL;
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}
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static RD_BOOL
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xkeymap_read(char *mapname)
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{
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FILE *fp;
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char line[KEYMAP_MAX_LINE_LENGTH];
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unsigned int line_num = 0;
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unsigned int line_length = 0;
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char *keyname, *p;
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char *line_rest;
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uint8 scancode;
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uint16 modifiers;
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fp = xkeymap_open(mapname);
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if (fp == NULL)
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{
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error("Failed to open keymap %s\n", mapname);
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return False;
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}
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/* FIXME: More tolerant on white space */
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while (fgets(line, sizeof(line), fp) != NULL)
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{
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line_num++;
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/* Replace the \n with \0 */
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p = strchr(line, '\n');
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if (p != NULL)
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*p = 0;
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line_length = strlen(line);
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/* Completely empty line */
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if (strspn(line, " \t\n\r\f\v") == line_length)
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{
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continue;
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}
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/* Include */
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if (str_startswith(line, "include "))
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{
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if (!xkeymap_read(line + sizeof("include ") - 1))
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return False;
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continue;
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}
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/* map */
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if (str_startswith(line, "map "))
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{
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g_keylayout = strtoul(line + sizeof("map ") - 1, NULL, 16);
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DEBUG_KBD(("Keylayout 0x%x\n", g_keylayout));
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continue;
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}
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/* compose */
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if (str_startswith(line, "enable_compose"))
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{
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DEBUG_KBD(("Enabling compose handling\n"));
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g_enable_compose = True;
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continue;
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}
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/* sequence */
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if (str_startswith(line, "sequence"))
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{
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add_sequence(line + sizeof("sequence") - 1, mapname);
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continue;
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}
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/* keyboard_type */
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if (str_startswith(line, "keyboard_type "))
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{
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g_keyboard_type = strtol(line + sizeof("keyboard_type ") - 1, NULL, 16);
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DEBUG_KBD(("keyboard_type 0x%x\n", g_keyboard_type));
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continue;
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}
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/* keyboard_subtype */
|
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if (str_startswith(line, "keyboard_subtype "))
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{
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g_keyboard_subtype =
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strtol(line + sizeof("keyboard_subtype ") - 1, NULL, 16);
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DEBUG_KBD(("keyboard_subtype 0x%x\n", g_keyboard_subtype));
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continue;
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}
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|
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/* keyboard_functionkeys */
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if (str_startswith(line, "keyboard_functionkeys "))
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{
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g_keyboard_functionkeys =
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strtol(line + sizeof("keyboard_functionkeys ") - 1, NULL, 16);
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DEBUG_KBD(("keyboard_functionkeys 0x%x\n", g_keyboard_functionkeys));
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continue;
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}
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|
|
/* Comment */
|
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if (line[0] == '#')
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{
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continue;
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}
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|
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/* Normal line */
|
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keyname = line;
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p = strchr(line, ' ');
|
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if (p == NULL)
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{
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error("Bad line %d in keymap %s\n", line_num, mapname);
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continue;
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}
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else
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{
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*p = 0;
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}
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|
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/* scancode */
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p++;
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scancode = strtol(p, &line_rest, 16);
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|
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/* flags */
|
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/* FIXME: Should allow case-insensitive flag names.
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Fix by using lex+yacc... */
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modifiers = 0;
|
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if (strstr(line_rest, "altgr"))
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{
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MASK_ADD_BITS(modifiers, MapAltGrMask);
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}
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|
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if (strstr(line_rest, "shift"))
|
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{
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MASK_ADD_BITS(modifiers, MapLeftShiftMask);
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}
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|
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if (strstr(line_rest, "numlock"))
|
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{
|
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MASK_ADD_BITS(modifiers, MapNumLockMask);
|
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}
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|
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if (strstr(line_rest, "localstate"))
|
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{
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MASK_ADD_BITS(modifiers, MapLocalStateMask);
|
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}
|
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|
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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);
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|
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if (strstr(line_rest, "addupper"))
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{
|
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/* Automatically add uppercase key, with same modifiers
|
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plus shift */
|
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for (p = keyname; *p; p++)
|
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*p = toupper((int) *p);
|
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MASK_ADD_BITS(modifiers, MapLeftShiftMask);
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add_to_keymap(keyname, scancode, modifiers, mapname);
|
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}
|
|
}
|
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|
|
fclose(fp);
|
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return True;
|
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}
|
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|
|
|
|
/* Before connecting and creating UI */
|
|
void
|
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xkeymap_init(void)
|
|
{
|
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unsigned int max_keycode;
|
|
|
|
if (strcmp(g_keymapname, "none"))
|
|
{
|
|
if (xkeymap_read(g_keymapname))
|
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keymap_loaded = True;
|
|
}
|
|
|
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XDisplayKeycodes(g_display, &min_keycode, (int *) &max_keycode);
|
|
}
|
|
|
|
static void
|
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send_winkey(uint32 ev_time, RD_BOOL pressed, RD_BOOL leftkey)
|
|
{
|
|
uint8 winkey;
|
|
|
|
if (leftkey)
|
|
winkey = SCANCODE_CHAR_LWIN;
|
|
else
|
|
winkey = SCANCODE_CHAR_RWIN;
|
|
|
|
if (pressed)
|
|
{
|
|
if (g_use_rdp5)
|
|
{
|
|
rdp_send_scancode(ev_time, RDP_KEYPRESS, winkey);
|
|
}
|
|
else
|
|
{
|
|
/* RDP4 doesn't support winkey. Fake with Ctrl-Esc */
|
|
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_LCTRL);
|
|
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_ESC);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* key released */
|
|
if (g_use_rdp5)
|
|
{
|
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, winkey);
|
|
}
|
|
else
|
|
{
|
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_ESC);
|
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
reset_winkey(uint32 ev_time)
|
|
{
|
|
if (g_use_rdp5)
|
|
{
|
|
/* For some reason, it seems to suffice to release
|
|
*either* the left or right winkey. */
|
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LWIN);
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
set_keypress_keysym(unsigned int keycode, KeySym keysym)
|
|
{
|
|
if (keycode < 8 || keycode > 255)
|
|
return;
|
|
keypress_keysyms[keycode] = keysym;
|
|
}
|
|
|
|
|
|
KeySym
|
|
reset_keypress_keysym(unsigned int keycode, KeySym keysym)
|
|
{
|
|
KeySym ks;
|
|
if (keycode < 8 || keycode > 255)
|
|
return keysym;
|
|
ks = keypress_keysyms[keycode];
|
|
if (ks != 0)
|
|
{
|
|
keypress_keysyms[keycode] = 0;
|
|
}
|
|
else
|
|
{
|
|
ks = keysym;
|
|
}
|
|
|
|
return ks;
|
|
}
|
|
|
|
|
|
/* Handle special key combinations */
|
|
RD_BOOL
|
|
handle_special_keys(uint32 keysym, unsigned int state, uint32 ev_time, RD_BOOL pressed)
|
|
{
|
|
switch (keysym)
|
|
{
|
|
case XK_Return:
|
|
if ((get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R))
|
|
&& (get_key_state(state, XK_Control_L)
|
|
|| get_key_state(state, XK_Control_R)))
|
|
{
|
|
/* Ctrl-Alt-Enter: toggle full screen */
|
|
if (pressed)
|
|
xwin_toggle_fullscreen();
|
|
return True;
|
|
}
|
|
break;
|
|
|
|
case XK_Break:
|
|
/* Send Break sequence E0 46 E0 C6 */
|
|
if (pressed)
|
|
{
|
|
rdp_send_scancode(ev_time, RDP_KEYPRESS,
|
|
(SCANCODE_EXTENDED | 0x46));
|
|
rdp_send_scancode(ev_time, RDP_KEYPRESS,
|
|
(SCANCODE_EXTENDED | 0xc6));
|
|
}
|
|
/* No release sequence */
|
|
return True;
|
|
break;
|
|
|
|
case XK_Pause:
|
|
/* According to MS Keyboard Scan Code
|
|
Specification, pressing Pause should result
|
|
in E1 1D 45 E1 9D C5. I'm not exactly sure
|
|
of how this is supposed to be sent via
|
|
RDP. The code below seems to work, but with
|
|
the side effect that Left Ctrl stays
|
|
down. Therefore, we release it when Pause
|
|
is released. */
|
|
if (pressed)
|
|
{
|
|
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xe1, 0);
|
|
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x1d, 0);
|
|
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x45, 0);
|
|
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xe1, 0);
|
|
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0x9d, 0);
|
|
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYPRESS, 0xc5, 0);
|
|
}
|
|
else
|
|
{
|
|
/* Release Left Ctrl */
|
|
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, RDP_KEYRELEASE,
|
|
0x1d, 0);
|
|
}
|
|
return True;
|
|
break;
|
|
|
|
case XK_Meta_L: /* Windows keys */
|
|
case XK_Super_L:
|
|
case XK_Hyper_L:
|
|
send_winkey(ev_time, pressed, True);
|
|
return True;
|
|
break;
|
|
|
|
case XK_Meta_R:
|
|
case XK_Super_R:
|
|
case XK_Hyper_R:
|
|
send_winkey(ev_time, pressed, False);
|
|
return True;
|
|
break;
|
|
|
|
case XK_space:
|
|
/* Prevent access to the Windows system menu in single app mode */
|
|
if (g_win_button_size
|
|
&& (get_key_state(state, XK_Alt_L) || get_key_state(state, XK_Alt_R)))
|
|
return True;
|
|
break;
|
|
|
|
case XK_Num_Lock:
|
|
/* Synchronize on key release */
|
|
if (g_numlock_sync && !pressed)
|
|
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0,
|
|
ui_get_numlock_state(read_keyboard_state()), 0);
|
|
|
|
/* Inhibit */
|
|
return True;
|
|
break;
|
|
case XK_Overlay1_Enable:
|
|
/* Toggle SeamlessRDP */
|
|
if (pressed)
|
|
ui_seamless_toggle();
|
|
break;
|
|
|
|
}
|
|
return False;
|
|
}
|
|
|
|
|
|
key_translation
|
|
xkeymap_translate_key(uint32 keysym, unsigned int keycode, unsigned int state)
|
|
{
|
|
key_translation tr = { 0, 0, 0, 0 };
|
|
key_translation *ptr;
|
|
|
|
ptr = keymap[keysym & KEYMAP_MASK];
|
|
if (ptr)
|
|
{
|
|
tr = *ptr;
|
|
if (tr.seq_keysym == 0) /* Normal scancode translation */
|
|
{
|
|
if (MASK_HAS_BITS(tr.modifiers, MapInhibitMask))
|
|
{
|
|
DEBUG_KBD(("Inhibiting key\n"));
|
|
tr.scancode = 0;
|
|
return tr;
|
|
}
|
|
|
|
if (MASK_HAS_BITS(tr.modifiers, MapLocalStateMask))
|
|
{
|
|
/* The modifiers to send for this key should be obtained
|
|
from the local state. Currently, only shift is implemented. */
|
|
if (MASK_HAS_BITS(state, ShiftMask))
|
|
{
|
|
tr.modifiers = MapLeftShiftMask;
|
|
}
|
|
}
|
|
|
|
/* Windows interprets CapsLock+Ctrl+key
|
|
differently from Shift+Ctrl+key. Since we
|
|
are simulating CapsLock with Shifts, things
|
|
like Ctrl+f with CapsLock on breaks. To
|
|
solve this, we are releasing Shift if Ctrl
|
|
is on, but only if Shift isn't physically pressed. */
|
|
if (MASK_HAS_BITS(tr.modifiers, MapShiftMask)
|
|
&& MASK_HAS_BITS(remote_modifier_state, MapCtrlMask)
|
|
&& !MASK_HAS_BITS(state, ShiftMask))
|
|
{
|
|
DEBUG_KBD(("Non-physical Shift + Ctrl pressed, releasing Shift\n"));
|
|
MASK_REMOVE_BITS(tr.modifiers, MapShiftMask);
|
|
}
|
|
|
|
DEBUG_KBD(("Found scancode translation, scancode=0x%x, modifiers=0x%x\n",
|
|
tr.scancode, tr.modifiers));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (keymap_loaded)
|
|
warning("No translation for (keysym 0x%lx, %s)\n", keysym,
|
|
get_ksname(keysym));
|
|
|
|
/* not in keymap, try to interpret the raw scancode */
|
|
if (((int) keycode >= min_keycode) && (keycode <= 0x60))
|
|
{
|
|
tr.scancode = keycode - min_keycode;
|
|
|
|
/* The modifiers to send for this key should be
|
|
obtained from the local state. Currently, only
|
|
shift is implemented. */
|
|
if (MASK_HAS_BITS(state, ShiftMask))
|
|
{
|
|
tr.modifiers = MapLeftShiftMask;
|
|
}
|
|
|
|
DEBUG_KBD(("Sending guessed scancode 0x%x\n", tr.scancode));
|
|
}
|
|
else
|
|
{
|
|
DEBUG_KBD(("No good guess for keycode 0x%x found\n", keycode));
|
|
}
|
|
}
|
|
|
|
return tr;
|
|
}
|
|
|
|
static RD_BOOL
|
|
is_modifier(uint8 scancode)
|
|
{
|
|
switch (scancode)
|
|
{
|
|
case SCANCODE_CHAR_LSHIFT:
|
|
case SCANCODE_CHAR_RSHIFT:
|
|
case SCANCODE_CHAR_LCTRL:
|
|
case SCANCODE_CHAR_RCTRL:
|
|
case SCANCODE_CHAR_LALT:
|
|
case SCANCODE_CHAR_RALT:
|
|
case SCANCODE_CHAR_LWIN:
|
|
case SCANCODE_CHAR_RWIN:
|
|
case SCANCODE_CHAR_NUMLOCK:
|
|
return True;
|
|
default:
|
|
break;
|
|
}
|
|
return False;
|
|
}
|
|
|
|
|
|
void
|
|
xkeymap_send_keys(uint32 keysym, unsigned int keycode, unsigned int state, uint32 ev_time,
|
|
RD_BOOL pressed, uint8 nesting)
|
|
{
|
|
key_translation tr, *ptr;
|
|
tr = xkeymap_translate_key(keysym, keycode, state);
|
|
|
|
if (tr.seq_keysym == 0)
|
|
{
|
|
/* Scancode translation */
|
|
if (tr.scancode == 0)
|
|
return;
|
|
|
|
save_remote_modifiers(tr.scancode);
|
|
ensure_remote_modifiers(ev_time, tr);
|
|
rdp_send_scancode(ev_time, pressed ? RDP_KEYPRESS : RDP_KEYRELEASE, tr.scancode);
|
|
restore_remote_modifiers(ev_time, tr.scancode);
|
|
return;
|
|
}
|
|
|
|
/* Sequence, only on key down */
|
|
if (pressed)
|
|
{
|
|
ptr = &tr;
|
|
do
|
|
{
|
|
DEBUG_KBD(("Handling sequence element, keysym=0x%x\n",
|
|
(unsigned int) ptr->seq_keysym));
|
|
|
|
if (nesting++ > 32)
|
|
{
|
|
error("Sequence nesting too deep\n");
|
|
return;
|
|
}
|
|
|
|
xkeymap_send_keys(ptr->seq_keysym, keycode, state, ev_time, True, nesting);
|
|
xkeymap_send_keys(ptr->seq_keysym, keycode, state, ev_time, False, nesting);
|
|
ptr = ptr->next;
|
|
}
|
|
while (ptr);
|
|
}
|
|
}
|
|
|
|
uint16
|
|
xkeymap_translate_button(unsigned int button)
|
|
{
|
|
switch (button)
|
|
{
|
|
case Button1: /* left */
|
|
return MOUSE_FLAG_BUTTON1;
|
|
case Button2: /* middle */
|
|
return MOUSE_FLAG_BUTTON3;
|
|
case Button3: /* right */
|
|
return MOUSE_FLAG_BUTTON2;
|
|
case Button4: /* wheel up */
|
|
return MOUSE_FLAG_BUTTON4;
|
|
case Button5: /* wheel down */
|
|
return MOUSE_FLAG_BUTTON5;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
char *
|
|
get_ksname(uint32 keysym)
|
|
{
|
|
char *ksname = NULL;
|
|
|
|
if (keysym == NoSymbol)
|
|
ksname = "NoSymbol";
|
|
else if (!(ksname = XKeysymToString(keysym)))
|
|
ksname = "(no name)";
|
|
|
|
return ksname;
|
|
}
|
|
|
|
void
|
|
save_remote_modifiers(uint8 scancode)
|
|
{
|
|
if (is_modifier(scancode))
|
|
return;
|
|
|
|
saved_remote_modifier_state = remote_modifier_state;
|
|
}
|
|
|
|
void
|
|
restore_remote_modifiers(uint32 ev_time, uint8 scancode)
|
|
{
|
|
key_translation dummy;
|
|
|
|
if (is_modifier(scancode))
|
|
return;
|
|
|
|
dummy.scancode = 0;
|
|
dummy.modifiers = saved_remote_modifier_state;
|
|
ensure_remote_modifiers(ev_time, dummy);
|
|
}
|
|
|
|
void
|
|
ensure_remote_modifiers(uint32 ev_time, key_translation tr)
|
|
{
|
|
/* If this key is a modifier, do nothing */
|
|
if (is_modifier(tr.scancode))
|
|
return;
|
|
|
|
if (!g_numlock_sync)
|
|
{
|
|
/* NumLock */
|
|
if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask)
|
|
!= MASK_HAS_BITS(remote_modifier_state, MapNumLockMask))
|
|
{
|
|
/* The remote modifier state is not correct */
|
|
uint16 new_remote_state;
|
|
|
|
if (MASK_HAS_BITS(tr.modifiers, MapNumLockMask))
|
|
{
|
|
DEBUG_KBD(("Remote NumLock state is incorrect, activating NumLock.\n"));
|
|
new_remote_state = KBD_FLAG_NUMLOCK;
|
|
remote_modifier_state = MapNumLockMask;
|
|
}
|
|
else
|
|
{
|
|
DEBUG_KBD(("Remote NumLock state is incorrect, deactivating NumLock.\n"));
|
|
new_remote_state = 0;
|
|
remote_modifier_state = 0;
|
|
}
|
|
|
|
rdp_send_input(0, RDP_INPUT_SYNCHRONIZE, 0, new_remote_state, 0);
|
|
}
|
|
}
|
|
|
|
|
|
/* Shift. Left shift and right shift are treated as equal; either is fine. */
|
|
if (MASK_HAS_BITS(tr.modifiers, MapShiftMask)
|
|
!= MASK_HAS_BITS(remote_modifier_state, MapShiftMask))
|
|
{
|
|
/* The remote modifier state is not correct */
|
|
if (MASK_HAS_BITS(tr.modifiers, MapLeftShiftMask))
|
|
{
|
|
/* Needs left shift. Send down. */
|
|
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_LSHIFT);
|
|
}
|
|
else if (MASK_HAS_BITS(tr.modifiers, MapRightShiftMask))
|
|
{
|
|
/* Needs right shift. Send down. */
|
|
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_RSHIFT);
|
|
}
|
|
else
|
|
{
|
|
/* Should not use this modifier. Send up for shift currently pressed. */
|
|
if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask))
|
|
/* Left shift is down */
|
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT);
|
|
else
|
|
/* Right shift is down */
|
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT);
|
|
}
|
|
}
|
|
|
|
/* AltGr */
|
|
if (MASK_HAS_BITS(tr.modifiers, MapAltGrMask)
|
|
!= MASK_HAS_BITS(remote_modifier_state, MapAltGrMask))
|
|
{
|
|
/* The remote modifier state is not correct */
|
|
if (MASK_HAS_BITS(tr.modifiers, MapAltGrMask))
|
|
{
|
|
/* Needs this modifier. Send down. */
|
|
rdp_send_scancode(ev_time, RDP_KEYPRESS, SCANCODE_CHAR_RALT);
|
|
}
|
|
else
|
|
{
|
|
/* Should not use this modifier. Send up. */
|
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT);
|
|
}
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
unsigned int
|
|
read_keyboard_state()
|
|
{
|
|
#ifdef RDP2VNC
|
|
return 0;
|
|
#else
|
|
unsigned int state;
|
|
Window wdummy;
|
|
int dummy;
|
|
|
|
XQueryPointer(g_display, g_wnd, &wdummy, &wdummy, &dummy, &dummy, &dummy, &dummy, &state);
|
|
return state;
|
|
#endif
|
|
}
|
|
|
|
|
|
uint16
|
|
ui_get_numlock_state(unsigned int state)
|
|
{
|
|
uint16 numlock_state = 0;
|
|
|
|
if (get_key_state(state, XK_Num_Lock))
|
|
numlock_state = KBD_FLAG_NUMLOCK;
|
|
|
|
return numlock_state;
|
|
}
|
|
|
|
|
|
void
|
|
reset_modifier_keys()
|
|
{
|
|
unsigned int state = read_keyboard_state();
|
|
|
|
/* reset keys */
|
|
uint32 ev_time;
|
|
ev_time = time(NULL);
|
|
|
|
if (MASK_HAS_BITS(remote_modifier_state, MapLeftShiftMask)
|
|
&& !get_key_state(state, XK_Shift_L))
|
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT);
|
|
|
|
if (MASK_HAS_BITS(remote_modifier_state, MapRightShiftMask)
|
|
&& !get_key_state(state, XK_Shift_R))
|
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT);
|
|
|
|
if (MASK_HAS_BITS(remote_modifier_state, MapLeftCtrlMask)
|
|
&& !get_key_state(state, XK_Control_L))
|
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL);
|
|
|
|
if (MASK_HAS_BITS(remote_modifier_state, MapRightCtrlMask)
|
|
&& !get_key_state(state, XK_Control_R))
|
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL);
|
|
|
|
if (MASK_HAS_BITS(remote_modifier_state, MapLeftAltMask) && !get_key_state(state, XK_Alt_L))
|
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT);
|
|
|
|
if (MASK_HAS_BITS(remote_modifier_state, MapRightAltMask) &&
|
|
!get_key_state(state, XK_Alt_R) && !get_key_state(state, XK_Mode_switch)
|
|
&& !get_key_state(state, XK_ISO_Level3_Shift))
|
|
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT);
|
|
|
|
reset_winkey(ev_time);
|
|
|
|
if (g_numlock_sync)
|
|
rdp_send_input(ev_time, RDP_INPUT_SYNCHRONIZE, 0, ui_get_numlock_state(state), 0);
|
|
}
|
|
|
|
|
|
static void
|
|
update_modifier_state(uint8 scancode, RD_BOOL pressed)
|
|
{
|
|
#ifdef WITH_DEBUG_KBD
|
|
uint16 old_modifier_state;
|
|
|
|
old_modifier_state = remote_modifier_state;
|
|
#endif
|
|
|
|
switch (scancode)
|
|
{
|
|
case SCANCODE_CHAR_LSHIFT:
|
|
MASK_CHANGE_BIT(remote_modifier_state, MapLeftShiftMask, pressed);
|
|
break;
|
|
case SCANCODE_CHAR_RSHIFT:
|
|
MASK_CHANGE_BIT(remote_modifier_state, MapRightShiftMask, pressed);
|
|
break;
|
|
case SCANCODE_CHAR_LCTRL:
|
|
MASK_CHANGE_BIT(remote_modifier_state, MapLeftCtrlMask, pressed);
|
|
break;
|
|
case SCANCODE_CHAR_RCTRL:
|
|
MASK_CHANGE_BIT(remote_modifier_state, MapRightCtrlMask, pressed);
|
|
break;
|
|
case SCANCODE_CHAR_LALT:
|
|
MASK_CHANGE_BIT(remote_modifier_state, MapLeftAltMask, pressed);
|
|
break;
|
|
case SCANCODE_CHAR_RALT:
|
|
MASK_CHANGE_BIT(remote_modifier_state, MapRightAltMask, pressed);
|
|
break;
|
|
case SCANCODE_CHAR_LWIN:
|
|
MASK_CHANGE_BIT(remote_modifier_state, MapLeftWinMask, pressed);
|
|
break;
|
|
case SCANCODE_CHAR_RWIN:
|
|
MASK_CHANGE_BIT(remote_modifier_state, MapRightWinMask, pressed);
|
|
break;
|
|
case SCANCODE_CHAR_NUMLOCK:
|
|
/* KeyReleases for NumLocks are sent immediately. Toggle the
|
|
modifier state only on Keypress */
|
|
if (pressed && !g_numlock_sync)
|
|
{
|
|
RD_BOOL newNumLockState;
|
|
newNumLockState =
|
|
(MASK_HAS_BITS
|
|
(remote_modifier_state, MapNumLockMask) == False);
|
|
MASK_CHANGE_BIT(remote_modifier_state,
|
|
MapNumLockMask, newNumLockState);
|
|
}
|
|
}
|
|
|
|
#ifdef WITH_DEBUG_KBD
|
|
if (old_modifier_state != remote_modifier_state)
|
|
{
|
|
DEBUG_KBD(("Before updating modifier_state:0x%x, pressed=0x%x\n",
|
|
old_modifier_state, pressed));
|
|
DEBUG_KBD(("After updating modifier_state:0x%x\n", remote_modifier_state));
|
|
}
|
|
#endif
|
|
|
|
}
|
|
|
|
/* Send keyboard input */
|
|
void
|
|
rdp_send_scancode(uint32 time, uint16 flags, uint8 scancode)
|
|
{
|
|
update_modifier_state(scancode, !(flags & RDP_KEYRELEASE));
|
|
|
|
if (scancode & SCANCODE_EXTENDED)
|
|
{
|
|
DEBUG_KBD(("Sending extended scancode=0x%x, flags=0x%x\n",
|
|
scancode & ~SCANCODE_EXTENDED, flags));
|
|
rdp_send_input(time, RDP_INPUT_SCANCODE, flags | KBD_FLAG_EXT,
|
|
scancode & ~SCANCODE_EXTENDED, 0);
|
|
}
|
|
else
|
|
{
|
|
DEBUG_KBD(("Sending scancode=0x%x, flags=0x%x\n", scancode, flags));
|
|
rdp_send_input(time, RDP_INPUT_SCANCODE, flags, scancode, 0);
|
|
}
|
|
}
|