/**************************************************************************** * NxWidgets/libnxwidgets/include/cwidgeteventhandler.hxx * * Copyright (C) 2012 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX, NxWidgets, nor the names of its contributors * me be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * **************************************************************************** * * Portions of this package derive from Woopsi (http://woopsi.org/) and * portions are original efforts. It is difficult to determine at this * point what parts are original efforts and which parts derive from Woopsi. * However, in any event, the work of Antony Dzeryn will be acknowledged * in most NxWidget files. Thanks Antony! * * Copyright (c) 2007-2011, Antony Dzeryn * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the names "Woopsi", "Simian Zombie" nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY Antony Dzeryn ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL Antony Dzeryn BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ #ifndef __INCLUDE_CWIDGETEVENTHANDLER_HXX #define __INCLUDE_CWIDGETEVENTHANDLER_HXX /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include "cwidgeteventargs.hxx" /**************************************************************************** * Pre-Processor Definitions ****************************************************************************/ /**************************************************************************** * Implementation Classes ****************************************************************************/ #if defined(__cplusplus) namespace NXWidgets { class CNxWidget; /** * Base CWidgetEventHandler class, intended to be subclassed. Any class that * needs to listen for widget events should inherit from this class. */ class CWidgetEventHandler { public: /** * Constructor. */ inline CWidgetEventHandler() { } /** * Destructor. */ virtual inline ~CWidgetEventHandler() { } /** * Handle a mouse button click event. * * @param e The event data. */ virtual void handleClickEvent(const CWidgetEventArgs &e) { } /** * Handle a mouse button drag event. * * @param e The event data. */ virtual void handleDragEvent(const CWidgetEventArgs &e) { } /** * Handle a drop event, triggered when the widget has been dragged-and-dropped. * * @param e The event data. */ virtual void handleDropEvent(const CWidgetEventArgs &e) { } /** * Handle a mouse button release event that occurred within the bounds of * the source widget. * * @param e The event data. */ virtual void handleReleaseEvent(const CWidgetEventArgs &e) { } /** * Handle a mouse button release event that occurred outside the bounds of * the source widget. * * @param e The event data. */ virtual void handleReleaseOutsideEvent(const CWidgetEventArgs &e) { } /** * Handle a key press event. * * @param e The event data. */ virtual void handleKeyPressEvent(const CWidgetEventArgs &e) { } /** * Handle a cursor control event. * * @param e The event data. */ virtual void handleCursorControlEvent(const CWidgetEventArgs &e) { } /** * Handle a key repeat event. * * @param e The event data. */ virtual void handleFocusEvent(const CWidgetEventArgs &e) { } /** * Handle a widget blur event. * * @param e The event data. */ virtual void handleBlurEvent(const CWidgetEventArgs &e) { } /** * Handle a widget close event. * * @param e The event data. */ virtual void handleCloseEvent(const CWidgetEventArgs &e) { } /** * Handle a widget hide event. * * @param e The event data. */ virtual void handleHideEvent(const CWidgetEventArgs &e) { } /** * Handle a widget show event. * * @param e The event data. */ virtual void handleShowEvent(const CWidgetEventArgs &e) { } /** * Handle a widget enable event. * * @param e The event data. */ virtual void handleEnableEvent(const CWidgetEventArgs &e) { } /** * Handle a widget disable event. * * @param e The event data. */ virtual void handleDisableEvent(const CWidgetEventArgs &e) { } /** * Handle a widget value change event. * * @param e The event data. */ virtual void handleValueChangeEvent(const CWidgetEventArgs &e) { } /** * Handle a widget resize event. * * @param e The event data. */ virtual void handleResizeEvent(const CWidgetEventArgs &e) { } /** * Handle a widget move event. * * @param e The event data. */ virtual void handleMoveEvent(const CWidgetEventArgs &e) { } /** * Handle a widget scroll event. * * @param e The event data. */ virtual void handleScrollEvent(const CWidgetEventArgs &e) { } /** * Handle a widget double-click event. * * @param e The event data. */ virtual void handleDoubleClickEvent(const CWidgetEventArgs &e) { } /** * Handle a widget action event. * * @param e The event data. */ virtual void handleActionEvent(const CWidgetEventArgs &e) { } /** * Handle a widget move forward event. * * @param e The event data. */ virtual void handleMoveForwardEvent(const CWidgetEventArgs &e) { } /** * Handle a widget move backward event. * * @param e The event data. */ virtual void handleMoveBackwardEvent(const CWidgetEventArgs &e) { } }; } #endif // __cplusplus #endif // __INCLUDE_CWIDGETEVENTHANDLER_HXX