#include "focusmanager.h"
#include "widget.h"

namespace SDLwidgets {

void FocusManager::requestFocus( Focusable* widget ) {
	if ( _focused_widget && widget != _focused_widget ) {
		_focused_widget->focusLost();
	}
	
	_focused_widget = widget;
	_focused_widget->focusGained();
	
	_widget = dynamic_cast<Widget*>( widget );
	if ( _widget ) {
		SDL_EnableUNICODE( 1 );
	}
	else {
		SDL_EnableUNICODE( 0 );
	}
}

void FocusManager::removeFocus( Focusable* widget ) {
	if ( _focused_widget && _focused_widget == widget ) {
		_focused_widget->focusLost();
		_focused_widget = 0;
		_widget = 0;
		SDL_EnableUNICODE( 0 );
	}
}

bool FocusManager::handleEvent( SDL_Event* event ) {
	if ( _widget ) {
		return _widget->handleEvent( event );
	}
	
	return false;
}

}