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[/] [ao486/] [trunk/] [bochsDevs/] [gui/] [keymap.cc] - Rev 2
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///////////////////////////////////////////////////////////////////////// // $Id: keymap.cc 11058 2012-02-23 17:16:35Z vruppert $ ///////////////////////////////////////////////////////////////////////// // // Copyright (C) 2002-2009 The Bochs Project // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public // License as published by the Free Software Foundation; either // version 2 of the License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ///////////////////////////////////////////////////////////////////////// // // Todo // . Currently supported by sdl, wxGTK and x11. Check if other guis need mapping. // . Tables look-up should be optimised. // #include "param_names.h" #include "bochs.h" #include "keymap.h" // Table of bochs "BX_KEY_*" symbols // the table must be in BX_KEY_* order const char *bx_key_symbol[BX_KEY_NBKEYS] = { "BX_KEY_CTRL_L", "BX_KEY_SHIFT_L", "BX_KEY_F1", "BX_KEY_F2", "BX_KEY_F3", "BX_KEY_F4", "BX_KEY_F5", "BX_KEY_F6", "BX_KEY_F7", "BX_KEY_F8", "BX_KEY_F9", "BX_KEY_F10", "BX_KEY_F11", "BX_KEY_F12", "BX_KEY_CTRL_R", "BX_KEY_SHIFT_R", "BX_KEY_CAPS_LOCK", "BX_KEY_NUM_LOCK", "BX_KEY_ALT_L", "BX_KEY_ALT_R", "BX_KEY_A", "BX_KEY_B", "BX_KEY_C", "BX_KEY_D", "BX_KEY_E", "BX_KEY_F", "BX_KEY_G", "BX_KEY_H", "BX_KEY_I", "BX_KEY_J", "BX_KEY_K", "BX_KEY_L", "BX_KEY_M", "BX_KEY_N", "BX_KEY_O", "BX_KEY_P", "BX_KEY_Q", "BX_KEY_R", "BX_KEY_S", "BX_KEY_T", "BX_KEY_U", "BX_KEY_V", "BX_KEY_W", "BX_KEY_X", "BX_KEY_Y", "BX_KEY_Z", "BX_KEY_0", "BX_KEY_1", "BX_KEY_2", "BX_KEY_3", "BX_KEY_4", "BX_KEY_5", "BX_KEY_6", "BX_KEY_7", "BX_KEY_8", "BX_KEY_9", "BX_KEY_ESC", "BX_KEY_SPACE", "BX_KEY_SINGLE_QUOTE", "BX_KEY_COMMA", "BX_KEY_PERIOD", "BX_KEY_SLASH", "BX_KEY_SEMICOLON", "BX_KEY_EQUALS", "BX_KEY_LEFT_BRACKET", "BX_KEY_BACKSLASH", "BX_KEY_RIGHT_BRACKET", "BX_KEY_MINUS", "BX_KEY_GRAVE", "BX_KEY_BACKSPACE", "BX_KEY_ENTER", "BX_KEY_TAB", "BX_KEY_LEFT_BACKSLASH", "BX_KEY_PRINT", "BX_KEY_SCRL_LOCK", "BX_KEY_PAUSE", "BX_KEY_INSERT", "BX_KEY_DELETE", "BX_KEY_HOME", "BX_KEY_END", "BX_KEY_PAGE_UP", "BX_KEY_PAGE_DOWN", "BX_KEY_KP_ADD", "BX_KEY_KP_SUBTRACT", "BX_KEY_KP_END", "BX_KEY_KP_DOWN", "BX_KEY_KP_PAGE_DOWN", "BX_KEY_KP_LEFT", "BX_KEY_KP_RIGHT", "BX_KEY_KP_HOME", "BX_KEY_KP_UP", "BX_KEY_KP_PAGE_UP", "BX_KEY_KP_INSERT", "BX_KEY_KP_DELETE", "BX_KEY_KP_5", "BX_KEY_UP", "BX_KEY_DOWN", "BX_KEY_LEFT", "BX_KEY_RIGHT", "BX_KEY_KP_ENTER", "BX_KEY_KP_MULTIPLY", "BX_KEY_KP_DIVIDE", "BX_KEY_WIN_L", "BX_KEY_WIN_R", "BX_KEY_MENU", "BX_KEY_ALT_SYSREQ", "BX_KEY_CTRL_BREAK", "BX_KEY_INT_BACK", "BX_KEY_INT_FORWARD", "BX_KEY_INT_STOP", "BX_KEY_INT_MAIL", "BX_KEY_INT_SEARCH", "BX_KEY_INT_FAV", "BX_KEY_INT_HOME", "BX_KEY_POWER_MYCOMP", "BX_KEY_POWER_CALC", "BX_KEY_POWER_SLEEP", "BX_KEY_POWER_POWER", "BX_KEY_POWER_WAKE", }; bx_keymap_c bx_keymap; #define LOG_THIS bx_keymap. bx_keymap_c::bx_keymap_c(void) { put("keymap", "KMAP"); keymapCount = 0; keymapTable = (BXKeyEntry *)NULL; } bx_keymap_c::~bx_keymap_c(void) { if(keymapTable != NULL) { free(keymapTable); keymapTable = (BXKeyEntry *)NULL; } keymapCount = 0; } void bx_keymap_c::loadKeymap(Bit32u stringToSymbol(const char*)) { if (SIM->get_param_bool(BXPN_KBD_USEMAPPING)->get()) { loadKeymap(stringToSymbol, SIM->get_param_string(BXPN_KBD_KEYMAP)->getptr()); } } bx_bool bx_keymap_c::isKeymapLoaded () { return (keymapCount > 0); } /////////////////// // I'll add these to the keymap object in a minute. static unsigned char *lineptr = NULL; static int lineCount; static void init_parse() { lineCount = 0; } static void init_parse_line(char *line_to_parse) { // chop off newline lineptr = (unsigned char *)line_to_parse; char *nl; if ((nl = strchr(line_to_parse,'\n')) != NULL) { *nl = 0; } } static Bit32s get_next_word(char *output) { char *copyp = output; // find first nonspace while (*lineptr && isspace(*lineptr)) lineptr++; if (!*lineptr) return -1; // nothing but spaces until end of line if (*lineptr == '#') return -1; // nothing but a comment // copy nonspaces into the output while (*lineptr && !isspace(*lineptr)) *copyp++ = *lineptr++; *copyp=0; // null terminate the copy // there must be at least one nonspace, since that's why we stopped the // first loop! BX_ASSERT (copyp != output); return 0; } static Bit32s get_next_keymap_line (FILE *fp, char *bxsym, char *modsym, Bit32s *ascii, char *hostsym) { char line[256]; char buf[256]; line[0] = 0; while (1) { lineCount++; if (!fgets(line, sizeof(line)-1, fp)) return -1; // EOF init_parse_line (line); if (get_next_word (bxsym) >= 0) { modsym[0] = 0; char *p; if ((p = strchr (bxsym, '+')) != NULL) { *p = 0; // truncate bxsym. p++; // move one char beyond the + strcpy (modsym, p); // copy the rest to modsym } if (get_next_word (buf) < 0) { BX_PANIC (("keymap line %d: expected 3 columns", lineCount)); return -1; } if (buf[0] == '\'' && buf[2] == '\'' && buf[3]==0) { *ascii = (Bit8u) buf[1]; } else if (!strcmp(buf, "space")) { *ascii = ' '; } else if (!strcmp(buf, "return")) { *ascii = '\n'; } else if (!strcmp(buf, "tab")) { *ascii = '\t'; } else if (!strcmp(buf, "backslash")) { *ascii = '\\'; } else if (!strcmp(buf, "apostrophe")) { *ascii = '\''; } else if (!strcmp(buf, "none")) { *ascii = -1; } else { BX_PANIC (("keymap line %d: ascii equivalent is \"%s\" but it must be char constant like 'x', or one of space,tab,return,none", lineCount, buf)); } if (get_next_word (hostsym) < 0) { BX_PANIC (("keymap line %d: expected 3 columns", lineCount)); return -1; } return 0; } // no words on this line, keep reading. } } void bx_keymap_c::loadKeymap(Bit32u stringToSymbol(const char*), const char* filename) { FILE *keymapFile; char baseSym[256], modSym[256], hostSym[256]; Bit32s ascii = 0; Bit32u baseKey, modKey, hostKey; struct stat status; if (stat(filename, &status)) { BX_PANIC(("Can not stat keymap file '%s'.",filename)); } if (!(S_ISREG(status.st_mode))) { BX_PANIC(("Keymap file '%s' is not a file",filename)); } if((keymapFile = fopen(filename,"r"))==NULL) { BX_PANIC(("Can not open keymap file '%s'.",filename)); } BX_INFO(("Loading keymap from '%s'",filename)); init_parse(); // Read keymap file one line at a time while(1) { if (get_next_keymap_line (keymapFile, baseSym, modSym, &ascii, hostSym) < 0) { break; } // convert X_KEY_* symbols to values baseKey = convertStringToBXKey(baseSym); modKey = convertStringToBXKey(modSym); hostKey = 0; if (stringToSymbol != NULL) hostKey = stringToSymbol(hostSym); BX_DEBUG(("baseKey='%s' (%d), modSym='%s' (%d), ascii=%d, guisym='%s' (%d)", baseSym, baseKey, modSym, modKey, ascii, hostSym, hostKey)); // Check if data is valid if (baseKey==BX_KEYMAP_UNKNOWN) { BX_PANIC (("line %d: unknown BX_KEY constant '%s'",lineCount,baseSym)); continue; } if (hostKey==BX_KEYMAP_UNKNOWN) { BX_PANIC (("line %d: unknown host key name '%s' (wrong keymap ?)",lineCount,hostSym)); continue; } keymapTable=(BXKeyEntry*)realloc(keymapTable,(keymapCount+1) * sizeof(BXKeyEntry)); if (keymapTable==NULL) BX_PANIC(("Can not allocate memory for keymap table.")); keymapTable[keymapCount].baseKey=baseKey; keymapTable[keymapCount].modKey=modKey; keymapTable[keymapCount].ascii=ascii; keymapTable[keymapCount].hostKey=hostKey; keymapCount++; } BX_INFO(("Loaded %d symbols",keymapCount)); fclose(keymapFile); } Bit32u bx_keymap_c::convertStringToBXKey(const char* string) { // We look through the bx_key_symbol table to find the searched string for (Bit16u i=0; i<BX_KEY_NBKEYS; i++) { if (strcmp(string,bx_key_symbol[i])==0) { return i; } } // Key is not known return BX_KEYMAP_UNKNOWN; } BXKeyEntry *bx_keymap_c::findHostKey(Bit32u key) { // We look through the keymap table to find the searched key for (Bit16u i=0; i<keymapCount; i++) { if (keymapTable[i].hostKey == key) { BX_DEBUG (("key 0x%02x matches hostKey for entry #%d", key, i)); return &keymapTable[i]; } } BX_DEBUG(("key %02x matches no entries", key)); // Return default return NULL; } BXKeyEntry *bx_keymap_c::findAsciiChar(Bit8u ch) { BX_DEBUG (("findAsciiChar (0x%02x)", ch)); // We look through the keymap table to find the searched key for (Bit16u i=0; i<keymapCount; i++) { if (keymapTable[i].ascii == ch) { BX_DEBUG (("key %02x matches ascii for entry #%d", ch, i)); return &keymapTable[i]; } } BX_DEBUG (("key 0x%02x matches no entries", ch)); // Return default return NULL; } const char *bx_keymap_c::getBXKeyName(Bit32u key) { return bx_key_symbol[key & 0x7fffffff]; }