static void
ResetModMap(
Display *dpy)
{
register XModifierKeymap *map;
register int i, j, n;
KeySym sym;
register struct _XKeytrans *p;
map = dpy->modifiermap;
/* If any Lock key contains Caps_Lock, then interpret as Caps_Lock,
* else if any contains Shift_Lock, then interpret as Shift_Lock,
* else ignore Lock altogether.
*/
dpy->lock_meaning = NoSymbol;
/* Lock modifiers are in the second row of the matrix */
n = 2 * map->max_keypermod;
for (i = map->max_keypermod; i < n; i++) {
for (j = 0; j < dpy->keysyms_per_keycode; j++) {
sym = KeyCodetoKeySym(dpy, map->modifiermap[i], j);
if (sym == XK_Caps_Lock) {
dpy->lock_meaning = XK_Caps_Lock;
break;
} else if (sym == XK_Shift_Lock) {
dpy->lock_meaning = XK_Shift_Lock;
}
else if (sym == XK_ISO_Lock) {
dpy->lock_meaning = XK_Caps_Lock;
break;
}
}
}
/* Now find any Mod<n> modifier acting as the Group or Numlock modifier */
dpy->mode_switch = 0;
dpy->num_lock = 0;
n *= 4;
for (i = 3*map->max_keypermod; i < n; i++) {
for (j = 0; j < dpy->keysyms_per_keycode; j++) {
sym = KeyCodetoKeySym(dpy, map->modifiermap[i], j);
if (sym == XK_Mode_switch)
dpy->mode_switch |= 1 << (i / map->max_keypermod);
if (sym == XK_Num_Lock)
dpy->num_lock |= 1 << (i / map->max_keypermod);
}
}
for (p = dpy->key_bindings; p; p = p->next)
ComputeMaskFromKeytrans(dpy, p);
}
KeySym
XLookupKeysym(
register XKeyEvent *event,
int col)
{
if ((! event->display->keysyms) && (! _XKeyInitialize(event->display)))
return NoSymbol;
return KeyCodetoKeySym(event->display, event->keycode, col);
}
KeySym XKeycodeToKeysym(Display *dpy,
#if NeedWidePrototypes
unsigned int kc,
#else
KeyCode kc,
#endif
int col)
{
if ((!dpy->keysyms) && (!_XKeyInitialize(dpy)))
return NoSymbol;
return KeyCodetoKeySym(dpy, kc, col);
}
KeyCode
XKeysymToKeycode(
Display *dpy,
KeySym ks)
{
register int i, j;
if ((! dpy->keysyms) && (! _XKeyInitialize(dpy)))
return (KeyCode) 0;
for (j = 0; j < dpy->keysyms_per_keycode; j++) {
for (i = dpy->min_keycode; i <= dpy->max_keycode; i++) {
if (KeyCodetoKeySym(dpy, (KeyCode) i, j) == ks)
return i;
}
}
return 0;
}