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Diffstat (limited to 'NxWidgets/libnxwidgets/include/cwidgeteventhandler.hxx')
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1 files changed, 316 insertions, 0 deletions
diff --git a/NxWidgets/libnxwidgets/include/cwidgeteventhandler.hxx b/NxWidgets/libnxwidgets/include/cwidgeteventhandler.hxx new file mode 100644 index 000000000..965b29f0f --- /dev/null +++ b/NxWidgets/libnxwidgets/include/cwidgeteventhandler.hxx @@ -0,0 +1,316 @@ +/**************************************************************************** + * NxWidgets/libnxwidgets/include/cwidgeteventhandler.hxx + * + * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * 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 <nuttx/config.h> + +#include <stdint.h> +#include <stdbool.h> + +#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 shelve event. + * + * @param e The event data. + */ + + virtual void handleShelveEvent(const CWidgetEventArgs &e) { } + + /** + * Handle a widget unshelve event. + * + * @param e The event data. + */ + + virtual void handleUnshelveEvent(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 |