182 lines
4.1 KiB
C
182 lines
4.1 KiB
C
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/*
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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 1999-2001
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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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#include <X11/Xlib.h>
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#include <X11/keysym.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "rdesktop.h"
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#define KEYMAP_SIZE 4096
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#define KEYMAP_MASK (KEYMAP_SIZE - 1)
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extern char keymapname[16];
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extern int keylayout;
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static uint8 keymap[KEYMAP_SIZE];
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static unsigned int min_keycode;
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static BOOL xkeymap_read(char *mapname)
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{
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FILE *fp;
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char line[256], path[256];
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char *keyname, *p;
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KeySym keysym;
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unsigned char keycode;
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unsigned int mapcode = 0;
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strcpy(path, KEYMAP_PATH);
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strncat(path, mapname, sizeof(path) - sizeof(KEYMAP_PATH));
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fp = fopen(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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while (fgets(line, sizeof(line), fp) != NULL)
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{
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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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keycode = strtol(line, &keyname, 16);
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if ((keycode != 0) && (*keyname == ' '))
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{
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do
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{
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keyname++;
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p = strchr(keyname, ' ');
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if (p != NULL)
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*p = 0;
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keysym = XStringToKeysym(keyname);
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if (keysym == NoSymbol)
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error("Bad keysym %s in keymap %s\n", keyname, mapname);
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keymap[keysym & KEYMAP_MASK] = keycode;
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keyname = p;
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} while (keyname != NULL);
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}
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else if (strncmp(line, "include ", 8) == 0)
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{
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if (!xkeymap_read(line+8))
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return False;
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}
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else if (strncmp(line, "map ", 4) == 0)
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{
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keylayout = strtol(line+4, NULL, 16);
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}
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else if (line[0] != '#')
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{
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error("Malformed line in keymap %s\n", mapname);
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}
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}
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fclose(fp);
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return True;
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}
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void xkeymap_init(Display *display)
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{
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unsigned int max_keycode;
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XDisplayKeycodes(display, &min_keycode, &max_keycode);
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if (strcmp(keymapname, "none"))
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xkeymap_read(keymapname);
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}
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uint8 xkeymap_translate_key(KeySym keysym, unsigned int keycode)
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{
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uint8 scancode;
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scancode = keymap[keysym & KEYMAP_MASK];
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if (scancode != 0)
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return scancode;
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/* not in keymap, try to interpret the raw scancode */
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if ((keycode >= min_keycode) && (keycode <= 0x60))
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return (uint8)(keycode - min_keycode);
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switch (keycode)
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{
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case 0x61: /* home */
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return 0x47 | 0x80;
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case 0x62: /* up arrow */
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return 0x48 | 0x80;
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case 0x63: /* page up */
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return 0x49 | 0x80;
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case 0x64: /* left arrow */
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return 0x4b | 0x80;
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case 0x66: /* right arrow */
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return 0x4d | 0x80;
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case 0x67: /* end */
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return 0x4f | 0x80;
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case 0x68: /* down arrow */
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return 0x50 | 0x80;
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case 0x69: /* page down */
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return 0x51 | 0x80;
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case 0x6a: /* insert */
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return 0x52 | 0x80;
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case 0x6b: /* delete */
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return 0x53 | 0x80;
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case 0x6c: /* keypad enter */
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return 0x1c | 0x80;
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case 0x6d: /* right ctrl */
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return 0x1d | 0x80;
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case 0x6f: /* ctrl - print screen */
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return 0x37 | 0x80;
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case 0x70: /* keypad '/' */
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return 0x35 | 0x80;
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case 0x71: /* right alt */
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return 0x38 | 0x80;
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case 0x72: /* ctrl break */
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return 0x46 | 0x80;
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case 0x73: /* left window key */
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return 0x5b | 0x80;
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case 0x74: /* right window key */
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return 0x5c | 0x80;
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case 0x75: /* menu key */
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return 0x5d | 0x80;
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}
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return 0;
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}
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uint16 xkeymap_translate_button(unsigned int button)
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{
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switch (button)
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{
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case Button1: /* left */
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return MOUSE_FLAG_BUTTON1;
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case Button2: /* middle */
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return MOUSE_FLAG_BUTTON3;
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case Button3: /* right */
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return MOUSE_FLAG_BUTTON2;
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}
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return 0;
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}
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