/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
Classes implementing this interface can be added to an EventMultiplexer object, and are called from there to handle mouse events.
*/ class MouseEventHandler
{ public: virtual ~MouseEventHandler() {}
/** Handle a mouse button pressed event.
@param e The mouse event that occurred. The x,y coordinates of the event are already transformed back to user coordinate space, taking the inverse transform of the view in which the event occurred.
@return true, if this handler has successfully processed the mouse event. When this method returns false, possibly other, less prioritized handlers can be called, too.
*/ virtualbool handleMousePressed( const css::awt::MouseEvent& e ) = 0;
/** Handle a mouse button released event.
@param e The mouse event that occurred. The x,y coordinates of the event are already transformed back to user coordinate space, taking the inverse transform of the view in which the event occurred.
@return true, if this handler has successfully processed the pause event. When this method returns false, possibly other, less prioritized handlers are called, too.
*/ virtualbool handleMouseReleased( const css::awt::MouseEvent& e ) = 0;
/** Handle a mouse was moved with a pressed button event.
@param e The mouse event that occurred. The x,y coordinates of the event are already transformed back to user coordinate space, taking the inverse transform of the view in which the event occurred.
@return true, if this handler has successfully processed the pause event. When this method returns false, possibly other, less prioritized handlers are called, too.
*/ virtualbool handleMouseDragged( const css::awt::MouseEvent& e ) = 0;
/** Handle a mouse was moved event.
@param e The mouse event that occurred. The x,y coordinates of the event are already transformed back to user coordinate space, taking the inverse transform of the view in which the event occurred.
@return true, if this handler has successfully processed the pause event. When this method returns false, possibly other, less prioritized handlers are called, too.
*/ virtualbool handleMouseMoved( const css::awt::MouseEvent& e ) = 0;
};
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