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Changes in X11DRV_KEYBOARD_DetectLayout in order to implement Russian 

keyboard support.
This commit is contained in:
Pavel Roskin 1999-03-28 13:39:55 +00:00 committed by Alexandre Julliard
parent f80b2ab669
commit f15d180669
1 changed files with 74 additions and 48 deletions
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70
windows/x11drv/keyboard.c
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@ -505,46 +505,70 @@ void X11DRV_KEYBOARD_HandleEvent( WND *pWnd, XKeyEvent *event )
* This routine walks through the defined keyboard layouts and selects
* whichever matches most closely.
*/
void X11DRV_KEYBOARD_DetectLayout(void)
void
X11DRV_KEYBOARD_DetectLayout (void)
{
unsigned current, match, mismatch;
int max_score = 0, ismatch = 0;
int score, keyc, i, key, ok, syms = (keysyms_per_keycode>4) ? 4 : keysyms_per_keycode;
int score, keyc, i, key, ok, syms;
KeySym keysym;
char ckey[4]={0,0,0,0};
const char (*lkey)[MAIN_LEN][4];
int max_score = 0, ismatch = 0;
char ckey[4] =
{0, 0, 0, 0};
syms = keysyms_per_keycode;
if (syms > 4) {
WARN (keyboard, "%d keysyms per keycode not supported, set to 4", syms);
syms = 4;
}
for (current = 0; main_key_tab[current].lang; current++) {
TRACE(keyboard,"Attempting to match against layout %04x\n",main_key_tab[current].lang);
match = 0; mismatch = 0;
TRACE (keyboard, "Attempting to match against layout %04x\n",
main_key_tab[current].lang);
match = 0;
mismatch = 0;
score = 0;
lkey = main_key_tab[current].key;
for (keyc = min_keycode; keyc <= max_keycode; keyc++) {
/* get data for keycode from X server */
for (i = 0; i < syms; i++) {
keysym = TSXKeycodeToKeysym (display, keyc, i);
if ((keysym<0x100)&&(keysym!=' ')) ckey[i] = keysym;
else ckey[i] = 0;
/* Allow both one-byte and two-byte national keysyms */
if ((keysym < 0x800) && (keysym != ' '))
ckey[i] = keysym & 0xFF;
else
ckey[i] = 0;
}
if (ckey[0]) {
/* search for a match in layout table */
/* right now, we just find an absolute match for defined positions */
/* (undefined positions are ignored, so if it's defined as "3#"
in the table, it's okay that the X server has "3#£", for example) */
/* (undefined positions are ignored, so if it's defined as "3#" in */
/* the table, it's okay that the X server has "3#£", for example) */
/* however, the score will be higher for longer matches */
for (key = 0; key < MAIN_LEN; key++) {
for (ok=(*lkey)[key][i=0]; ok&&(i<4); i++)
if ((*lkey)[key][i] && (*lkey)[key][i]!=ckey[i]) ok=0;
if (ok) break;
for (ok = 0, i = 0; (ok >= 0) && (i < syms); i++) {
if ((*lkey)[key][i] && ((*lkey)[key][i] == ckey[i]))
ok++;
if ((*lkey)[key][i] && ((*lkey)[key][i] != ckey[i]))
ok = -1;
}
if (ok > 0) {
score += ok;
break;
}
}
/* count the matches and mismatches */
if (key<MAIN_LEN) match++; else {
TRACE(key,"mismatch for keycode %d, character %c\n",keyc,ckey[0]);
if (ok > 0)
match++;
else {
TRACE (key, "mismatch for keycode %d, character %c\n", keyc,
ckey[0]);
mismatch++;
score -= syms;
}
}
}
/* estimate and check score */
score = match - mismatch;
TRACE(keyboard,"matches=%d, mismatches=%d, score=%d\n",match,mismatch,score);
TRACE (keyboard, "matches=%d, mismatches=%d, score=%d\n",
match, mismatch, score);
if (score > max_score) {
/* best match so far */
kbd_layout = current;
@ -554,11 +578,13 @@ void X11DRV_KEYBOARD_DetectLayout(void)
}
/* we're done, report results if necessary */
if (!ismatch) {
FIXME(keyboard,"Your keyboard layout was not found! Using closest match (%04x).\n",
FIXME (keyboard,
"Your keyboard layout was not found! Using closest match (%04x).\n"
"Please define your layout in windows/x11drv/keyboard.c "
"and submit them\n"
"to us for inclusion into future Wine releases.\n"
"See documentation/keyboard for more information.\n",
main_key_tab[kbd_layout].lang);
FIXME(keyboard,"Please define your layout in windows/x11drv/keyboard.c, and submit them\n");
FIXME(keyboard,"to us for inclusion into future Wine releases.\n");
FIXME(keyboard,"See documentation/keyboard for more information.\n");
}
TRACE (keyboard, "detected layout is %04x\n", main_key_tab[kbd_layout].lang);
}