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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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|
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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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|
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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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|
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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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|
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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 <limits.h> |
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#include "rdesktop.h" |
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|
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#define KEYMAP_SIZE 4096 |
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#define KEYMAP_MASK (KEYMAP_SIZE - 1) |
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|
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extern Display *display; |
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extern char keymapname[16]; |
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extern int keylayout; |
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|
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static uint8 keymap[KEYMAP_SIZE]; |
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static unsigned int min_keycode; |
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|
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static 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[PATH_MAX], path[PATH_MAX]; |
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char *keyname, *p; |
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KeySym keysym; |
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unsigned char keycode; |
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|
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strcpy(path, KEYMAP_PATH); |
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strncat(path, mapname, sizeof(path) - sizeof(KEYMAP_PATH)); |
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|
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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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|
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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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|
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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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|
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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", |
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keyname, mapname); |
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|
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keymap[keysym & KEYMAP_MASK] = keycode; |
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keyname = p; |
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|
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} |
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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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|
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fclose(fp); |
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return True; |
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} |
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|
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void |
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xkeymap_init(void) |
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{ |
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unsigned int max_keycode; |
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|
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XDisplayKeycodes(display, &min_keycode, &max_keycode); |
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|
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if (strcmp(keymapname, "none")) |
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xkeymap_read(keymapname); |
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} |
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|
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uint8 |
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xkeymap_translate_key(unsigned int keysym, unsigned int keycode, |
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uint16 * flags) |
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{ |
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uint8 scancode; |
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|
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scancode = keymap[keysym & KEYMAP_MASK]; |
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if (scancode != 0) |
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{ |
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if (scancode & 0x80) |
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*flags |= KBD_FLAG_EXT; |
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|
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return (scancode & 0x7f); |
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} |
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|
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/* not in keymap, try to interpret the raw scancode */ |
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|
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if ((keycode >= min_keycode) && (keycode <= 0x60)) |
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return (uint8) (keycode - min_keycode); |
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|
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*flags |= KBD_FLAG_EXT; |
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|
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switch (keycode) |
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{ |
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case 0x61: /* home */ |
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return 0x47; |
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case 0x62: /* up arrow */ |
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return 0x48; |
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case 0x63: /* page up */ |
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return 0x49; |
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case 0x64: /* left arrow */ |
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return 0x4b; |
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case 0x66: /* right arrow */ |
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return 0x4d; |
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case 0x67: /* end */ |
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return 0x4f; |
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case 0x68: /* down arrow */ |
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return 0x50; |
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case 0x69: /* page down */ |
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return 0x51; |
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case 0x6a: /* insert */ |
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return 0x52; |
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case 0x6b: /* delete */ |
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return 0x53; |
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case 0x6c: /* keypad enter */ |
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return 0x1c; |
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case 0x6d: /* right ctrl */ |
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return 0x1d; |
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case 0x6f: /* ctrl - print screen */ |
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return 0x37; |
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case 0x70: /* keypad '/' */ |
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return 0x35; |
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case 0x71: /* right alt */ |
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return 0x38; |
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case 0x72: /* ctrl break */ |
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return 0x46; |
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case 0x73: /* left window key */ |
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return 0x5b; |
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case 0x74: /* right window key */ |
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return 0x5c; |
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case 0x75: /* menu key */ |
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return 0x5d; |
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} |
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|
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return 0; |
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} |
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|
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uint16 |
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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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case Button4: /* wheel up */ |
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return MOUSE_FLAG_BUTTON4; |
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case Button5: /* wheel down */ |
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return MOUSE_FLAG_BUTTON5; |
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} |
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|
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return 0; |
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} |
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