314 lines
10 KiB
C++
314 lines
10 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id: keymap.cc,v 1.28 2010-02-26 14:18:18 sshwarts Exp $
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2002-2009 The Bochs Project
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library 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 GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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/////////////////////////////////////////////////////////////////////////
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//
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// Todo
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// . Currently supported by sdl, wxGTK and x11. Check if other guis need mapping.
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// . Tables look-up should be optimised.
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//
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#include "param_names.h"
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#include "bochs.h"
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#include "keymap.h"
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// Table of bochs "BX_KEY_*" symbols
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// the table must be in BX_KEY_* order
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const char *bx_key_symbol[BX_KEY_NBKEYS] = {
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"BX_KEY_CTRL_L", "BX_KEY_SHIFT_L", "BX_KEY_F1",
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"BX_KEY_F2", "BX_KEY_F3", "BX_KEY_F4",
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"BX_KEY_F5", "BX_KEY_F6", "BX_KEY_F7",
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"BX_KEY_F8", "BX_KEY_F9", "BX_KEY_F10",
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"BX_KEY_F11", "BX_KEY_F12", "BX_KEY_CTRL_R",
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"BX_KEY_SHIFT_R", "BX_KEY_CAPS_LOCK", "BX_KEY_NUM_LOCK",
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"BX_KEY_ALT_L", "BX_KEY_ALT_R", "BX_KEY_A",
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"BX_KEY_B", "BX_KEY_C", "BX_KEY_D",
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"BX_KEY_E", "BX_KEY_F", "BX_KEY_G",
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"BX_KEY_H", "BX_KEY_I", "BX_KEY_J",
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"BX_KEY_K", "BX_KEY_L", "BX_KEY_M",
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"BX_KEY_N", "BX_KEY_O", "BX_KEY_P",
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"BX_KEY_Q", "BX_KEY_R", "BX_KEY_S",
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"BX_KEY_T", "BX_KEY_U", "BX_KEY_V",
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"BX_KEY_W", "BX_KEY_X", "BX_KEY_Y",
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"BX_KEY_Z", "BX_KEY_0", "BX_KEY_1",
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"BX_KEY_2", "BX_KEY_3", "BX_KEY_4",
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"BX_KEY_5", "BX_KEY_6", "BX_KEY_7",
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"BX_KEY_8", "BX_KEY_9", "BX_KEY_ESC",
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"BX_KEY_SPACE", "BX_KEY_SINGLE_QUOTE", "BX_KEY_COMMA",
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"BX_KEY_PERIOD", "BX_KEY_SLASH", "BX_KEY_SEMICOLON",
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"BX_KEY_EQUALS", "BX_KEY_LEFT_BRACKET", "BX_KEY_BACKSLASH",
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"BX_KEY_RIGHT_BRACKET", "BX_KEY_MINUS", "BX_KEY_GRAVE",
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"BX_KEY_BACKSPACE", "BX_KEY_ENTER", "BX_KEY_TAB",
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"BX_KEY_LEFT_BACKSLASH", "BX_KEY_PRINT", "BX_KEY_SCRL_LOCK",
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"BX_KEY_PAUSE", "BX_KEY_INSERT", "BX_KEY_DELETE",
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"BX_KEY_HOME", "BX_KEY_END", "BX_KEY_PAGE_UP",
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"BX_KEY_PAGE_DOWN", "BX_KEY_KP_ADD", "BX_KEY_KP_SUBTRACT",
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"BX_KEY_KP_END", "BX_KEY_KP_DOWN", "BX_KEY_KP_PAGE_DOWN",
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"BX_KEY_KP_LEFT", "BX_KEY_KP_RIGHT", "BX_KEY_KP_HOME",
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"BX_KEY_KP_UP", "BX_KEY_KP_PAGE_UP", "BX_KEY_KP_INSERT",
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"BX_KEY_KP_DELETE", "BX_KEY_KP_5", "BX_KEY_UP",
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"BX_KEY_DOWN", "BX_KEY_LEFT", "BX_KEY_RIGHT",
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"BX_KEY_KP_ENTER", "BX_KEY_KP_MULTIPLY", "BX_KEY_KP_DIVIDE",
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"BX_KEY_WIN_L", "BX_KEY_WIN_R", "BX_KEY_MENU",
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"BX_KEY_ALT_SYSREQ", "BX_KEY_CTRL_BREAK", "BX_KEY_INT_BACK",
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"BX_KEY_INT_FORWARD", "BX_KEY_INT_STOP", "BX_KEY_INT_MAIL",
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"BX_KEY_INT_SEARCH", "BX_KEY_INT_FAV", "BX_KEY_INT_HOME",
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"BX_KEY_POWER_MYCOMP", "BX_KEY_POWER_CALC", "BX_KEY_POWER_SLEEP",
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"BX_KEY_POWER_POWER", "BX_KEY_POWER_WAKE",
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};
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bx_keymap_c bx_keymap;
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#define LOG_THIS bx_keymap.
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bx_keymap_c::bx_keymap_c(void)
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{
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put("KMAP");
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keymapCount = 0;
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keymapTable = (BXKeyEntry *)NULL;
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}
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bx_keymap_c::~bx_keymap_c(void)
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{
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if(keymapTable != NULL) {
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free(keymapTable);
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keymapTable = (BXKeyEntry *)NULL;
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}
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keymapCount = 0;
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}
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void bx_keymap_c::loadKeymap(Bit32u stringToSymbol(const char*))
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{
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if (SIM->get_param_bool(BXPN_KBD_USEMAPPING)->get()) {
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loadKeymap(stringToSymbol, SIM->get_param_string(BXPN_KBD_KEYMAP)->getptr());
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}
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}
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bx_bool bx_keymap_c::isKeymapLoaded ()
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{
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return (keymapCount > 0);
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}
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///////////////////
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// I'll add these to the keymap object in a minute.
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static unsigned char *lineptr = NULL;
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static int lineCount;
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static void init_parse()
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{
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lineCount = 0;
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}
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static void init_parse_line(char *line_to_parse)
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{
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// chop off newline
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lineptr = (unsigned char *)line_to_parse;
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char *nl;
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if ((nl = strchr(line_to_parse,'\n')) != NULL) {
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*nl = 0;
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}
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}
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static Bit32s get_next_word(char *output)
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{
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char *copyp = output;
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// find first nonspace
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while (*lineptr && isspace(*lineptr))
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lineptr++;
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if (!*lineptr)
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return -1; // nothing but spaces until end of line
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if (*lineptr == '#')
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return -1; // nothing but a comment
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// copy nonspaces into the output
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while (*lineptr && !isspace(*lineptr))
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*copyp++ = *lineptr++;
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*copyp=0; // null terminate the copy
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// there must be at least one nonspace, since that's why we stopped the
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// first loop!
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BX_ASSERT (copyp != output);
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return 0;
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}
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static Bit32s get_next_keymap_line (FILE *fp, char *bxsym, char *modsym, Bit32s *ascii, char *hostsym)
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{
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char line[256];
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char buf[256];
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line[0] = 0;
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while (1) {
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lineCount++;
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if (!fgets(line, sizeof(line)-1, fp)) return -1; // EOF
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init_parse_line (line);
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if (get_next_word (bxsym) >= 0) {
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modsym[0] = 0;
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char *p;
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if ((p = strchr (bxsym, '+')) != NULL) {
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*p = 0; // truncate bxsym.
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p++; // move one char beyond the +
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strcpy (modsym, p); // copy the rest to modsym
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}
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if (get_next_word (buf) < 0) {
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BX_PANIC (("keymap line %d: expected 3 columns", lineCount));
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return -1;
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}
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if (buf[0] == '\'' && buf[2] == '\'' && buf[3]==0) {
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*ascii = (Bit8u) buf[1];
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} else if (!strcmp(buf, "space")) {
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*ascii = ' ';
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} else if (!strcmp(buf, "return")) {
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*ascii = '\n';
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} else if (!strcmp(buf, "tab")) {
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*ascii = '\t';
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} else if (!strcmp(buf, "backslash")) {
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*ascii = '\\';
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} else if (!strcmp(buf, "apostrophe")) {
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*ascii = '\'';
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} else if (!strcmp(buf, "none")) {
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*ascii = -1;
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} else {
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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));
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}
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if (get_next_word (hostsym) < 0) {
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BX_PANIC (("keymap line %d: expected 3 columns", lineCount));
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return -1;
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}
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return 0;
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}
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// no words on this line, keep reading.
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}
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}
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void bx_keymap_c::loadKeymap(Bit32u stringToSymbol(const char*), const char* filename)
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{
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FILE *keymapFile;
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char baseSym[256], modSym[256], hostSym[256];
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Bit32s ascii = 0;
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Bit32u baseKey, modKey, hostKey;
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struct stat status;
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if (stat(filename, &status)) {
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BX_PANIC(("Can not stat keymap file '%s'.",filename));
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}
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if (!(S_ISREG(status.st_mode))) {
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BX_PANIC(("Keymap file '%s' is not a file",filename));
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}
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if((keymapFile = fopen(filename,"r"))==NULL) {
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BX_PANIC(("Can not open keymap file '%s'.",filename));
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}
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BX_INFO(("Loading keymap from '%s'",filename));
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init_parse();
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// Read keymap file one line at a time
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while(1) {
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if (get_next_keymap_line (keymapFile,
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baseSym, modSym, &ascii, hostSym) < 0) { break; }
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// convert X_KEY_* symbols to values
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baseKey = convertStringToBXKey(baseSym);
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modKey = convertStringToBXKey(modSym);
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hostKey = 0;
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if (stringToSymbol != NULL)
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hostKey = stringToSymbol(hostSym);
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BX_DEBUG(("baseKey='%s' (%d), modSym='%s' (%d), ascii=%d, guisym='%s' (%d)", baseSym, baseKey, modSym, modKey, ascii, hostSym, hostKey));
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// Check if data is valid
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if (baseKey==BX_KEYMAP_UNKNOWN) {
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BX_PANIC (("line %d: unknown BX_KEY constant '%s'",lineCount,baseSym));
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continue;
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}
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if (hostKey==BX_KEYMAP_UNKNOWN) {
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BX_PANIC (("line %d: unknown host key name '%s' (wrong keymap ?)",lineCount,hostSym));
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continue;
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}
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keymapTable=(BXKeyEntry*)realloc(keymapTable,(keymapCount+1) * sizeof(BXKeyEntry));
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if (keymapTable==NULL)
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BX_PANIC(("Can not allocate memory for keymap table."));
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keymapTable[keymapCount].baseKey=baseKey;
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keymapTable[keymapCount].modKey=modKey;
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keymapTable[keymapCount].ascii=ascii;
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keymapTable[keymapCount].hostKey=hostKey;
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keymapCount++;
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}
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BX_INFO(("Loaded %d symbols",keymapCount));
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fclose(keymapFile);
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}
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Bit32u bx_keymap_c::convertStringToBXKey(const char* string)
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{
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// We look through the bx_key_symbol table to find the searched string
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for (Bit16u i=0; i<BX_KEY_NBKEYS; i++) {
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if (strcmp(string,bx_key_symbol[i])==0) {
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return i;
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}
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}
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// Key is not known
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return BX_KEYMAP_UNKNOWN;
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}
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BXKeyEntry *bx_keymap_c::findHostKey(Bit32u key)
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{
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// We look through the keymap table to find the searched key
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for (Bit16u i=0; i<keymapCount; i++) {
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if (keymapTable[i].hostKey == key) {
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BX_DEBUG (("key 0x%02x matches hostKey for entry #%d", key, i));
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return &keymapTable[i];
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}
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}
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BX_DEBUG(("key %02x matches no entries", key));
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// Return default
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return NULL;
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}
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BXKeyEntry *bx_keymap_c::findAsciiChar(Bit8u ch)
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{
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BX_DEBUG (("findAsciiChar (0x%02x)", ch));
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// We look through the keymap table to find the searched key
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for (Bit16u i=0; i<keymapCount; i++) {
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if (keymapTable[i].ascii == ch) {
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BX_DEBUG (("key %02x matches ascii for entry #%d", ch, i));
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return &keymapTable[i];
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}
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}
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BX_DEBUG (("key 0x%02x matches no entries", ch));
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// Return default
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return NULL;
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}
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const char *bx_keymap_c::getBXKeyName(Bit32u key)
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{
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return bx_key_symbol[key & 0x7fffffff];
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}
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