Bochs/bochs/gui/keymap.cc
Volker Ruppert 401321d500 Added symbol BX_NULL_PREFIX and fixed textconfig log options table.
If log module name not specified, use device log prefix converted to lower
case as the name and simplified setting up some short prefixes.
2013-12-31 09:20:08 +00:00

314 lines
10 KiB
C++

/////////////////////////////////////////////////////////////////////////
// $Id$
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2002-2013 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");
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];
}