package fr.lteconsulting.hexa.client.interfaces; import com.google.gwt.event.dom.client.KeyUpEvent; import com.google.gwt.event.dom.client.MouseWheelEvent; import com.google.gwt.user.client.ui.Widget; public interface IBkgndStackPanel { public interface Callback { void onMouseWheel( Object cookie, MouseWheelEvent event, int x, int delta ); void onMouseMove( Object cookie, int x ); void onKeyUp( Object cookie, KeyUpEvent event ); } public interface Background { void add( Widget w ); void add( Widget w, int x, int y ); void setWidgetPosition( Widget w, int x, int y ); void removeItem( Widget w ); void clearAll(); } void setCallback( Callback callback, Object cookie ); void setSize( int width, int height ); void clearBackground(); Background getBackgroundCanvas(); IStackPanel getStackPanel(); }