void
xnestUpdateModifierState(unsigned int state)
{
DeviceIntPtr pDev = xnestKeyboardDevice;
KeyClassPtr keyc = pDev->key;
int i;
CARD8 mask;
int xkb_state;
if (!pDev)
return;
xkb_state = XkbStateFieldFromRec(&pDev->key->xkbInfo->state);
state = state & 0xff;
if (xkb_state == state)
return;
for (i = 0, mask = 1; i < 8; i++, mask <<= 1) {
int key;
/* Modifier is down, but shouldn't be
*/
if ((xkb_state & mask) && !(state & mask)) {
int count = keyc->modifierKeyCount[i];
for (key = 0; key < MAP_LENGTH; key++)
if (keyc->xkbInfo->desc->map->modmap[key] & mask) {
if (mask == LockMask) {
xnestQueueKeyEvent(KeyPress, key);
xnestQueueKeyEvent(KeyRelease, key);
}
else if (key_is_down(pDev, key, KEY_PROCESSED))
xnestQueueKeyEvent(KeyRelease, key);
if (--count == 0)
break;
}
}
/* Modifier shoud be down, but isn't
*/
if (!(xkb_state & mask) && (state & mask))
for (key = 0; key < MAP_LENGTH; key++)
if (keyc->xkbInfo->desc->map->modmap[key] & mask) {
xnestQueueKeyEvent(KeyPress, key);
if (mask == LockMask)
xnestQueueKeyEvent(KeyRelease, key);
break;
}
}
}
void
xnestCollectEvents(void)
{
XEvent X;
int valuators[2];
ValuatorMask mask;
ScreenPtr pScreen;
while (XCheckIfEvent(xnestDisplay, &X, xnestNotExposurePredicate, NULL)) {
switch (X.type) {
case KeyPress:
xnestUpdateModifierState(X.xkey.state);
xnestQueueKeyEvent(KeyPress, X.xkey.keycode);
break;
case KeyRelease:
xnestUpdateModifierState(X.xkey.state);
xnestQueueKeyEvent(KeyRelease, X.xkey.keycode);
break;
case ButtonPress:
valuator_mask_set_range(&mask, 0, 0, NULL);
xnestUpdateModifierState(X.xkey.state);
lastEventTime = GetTimeInMillis();
QueuePointerEvents(xnestPointerDevice, ButtonPress,
X.xbutton.button, POINTER_RELATIVE, &mask);
break;
case ButtonRelease:
valuator_mask_set_range(&mask, 0, 0, NULL);
xnestUpdateModifierState(X.xkey.state);
lastEventTime = GetTimeInMillis();
QueuePointerEvents(xnestPointerDevice, ButtonRelease,
X.xbutton.button, POINTER_RELATIVE, &mask);
break;
case MotionNotify:
valuators[0] = X.xmotion.x;
valuators[1] = X.xmotion.y;
valuator_mask_set_range(&mask, 0, 2, valuators);
lastEventTime = GetTimeInMillis();
QueuePointerEvents(xnestPointerDevice, MotionNotify,
0, POINTER_ABSOLUTE, &mask);
break;
case FocusIn:
if (X.xfocus.detail != NotifyInferior) {
pScreen = xnestScreen(X.xfocus.window);
if (pScreen)
xnestDirectInstallColormaps(pScreen);
}
break;
case FocusOut:
if (X.xfocus.detail != NotifyInferior) {
pScreen = xnestScreen(X.xfocus.window);
if (pScreen)
xnestDirectUninstallColormaps(pScreen);
}
break;
case KeymapNotify:
break;
case EnterNotify:
if (X.xcrossing.detail != NotifyInferior) {
pScreen = xnestScreen(X.xcrossing.window);
if (pScreen) {
NewCurrentScreen(inputInfo.pointer, pScreen, X.xcrossing.x,
X.xcrossing.y);
valuators[0] = X.xcrossing.x;
valuators[1] = X.xcrossing.y;
valuator_mask_set_range(&mask, 0, 2, valuators);
lastEventTime = GetTimeInMillis();
QueuePointerEvents(xnestPointerDevice, MotionNotify,
0, POINTER_ABSOLUTE, &mask);
xnestDirectInstallColormaps(pScreen);
}
}
break;
case LeaveNotify:
if (X.xcrossing.detail != NotifyInferior) {
pScreen = xnestScreen(X.xcrossing.window);
if (pScreen) {
xnestDirectUninstallColormaps(pScreen);
}
}
break;
case DestroyNotify:
if (xnestParentWindow != (Window) 0 &&
X.xdestroywindow.window == xnestParentWindow)
exit(0);
break;
case CirculateNotify:
case ConfigureNotify:
case GravityNotify:
case MapNotify:
case ReparentNotify:
case UnmapNotify:
break;
default:
ErrorF("xnest warning: unhandled event\n");
break;
}
}
}
