bool Events::unregisterEvent(Events::eventHandler *handler) {
if (handler->type == event_input) {
if (!findOther(event_input, handler->inputSpec.pin, handler->id)) {
disableInputInterrupt(handler->inputSpec.interrupt);
setInputHandler(handler->inputSpec.interrupt, 0);
}
}
handler->type = event_free;
return true;
}
Events::eventHandler *Events::registerInput(byte input, byte mode, Events::eventCallback callback, void *data) {
Events::eventHandler *result = registerEvent(event_input, callback, data);
if (result == 0) {
return 0;
}
result->inputSpec.interrupt = INTERRUPT_FOR_PIN(input);
if (result->inputSpec.interrupt == -1) {
return 0;
}
result->inputSpec.pin = input;
result->inputSpec.mode = mode;
if (!findOther(event_input, result->inputSpec.pin, result->id)) {
setInputHandler(result->inputSpec.interrupt, inputHandler);
enableInputInterrupt(result->inputSpec.interrupt, mode);
}
return result;
}
void MarbleWidgetPrivate::setInputHandler()
{
setInputHandler(new MarbleWidgetInputHandler(this, m_widget));
}
InputHandler::~InputHandler() {
if (_inputHandler == this)
setInputHandler(_nextHandler);
}
void MarbleWidgetPrivate::setInputHandler()
{
setInputHandler( new MarbleWidgetInputHandler( &m_presenter, m_widget ) );
}
