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121 lines
3.7 KiB
121 lines
3.7 KiB
/**************************************************************************** |
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* NxWidgets/libnxwidgets/include/cwindoweventhandler.hxx |
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* |
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* Copyright (C) 2012 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name NuttX, NxWidgets, nor the names of its contributors |
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* me be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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****************************************************************************/ |
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#ifndef __INCLUDE_CWINDOWEVENTHANDLER_HXX |
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#define __INCLUDE_CWINDOWEVENTHANDLER_HXX |
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/**************************************************************************** |
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* Included Files |
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****************************************************************************/ |
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#include "nxconfig.hxx" |
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/**************************************************************************** |
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* Pre-Processor Definitions |
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****************************************************************************/ |
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/**************************************************************************** |
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* Implementation Classes |
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****************************************************************************/ |
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#if defined(__cplusplus) |
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namespace NXWidgets |
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{ |
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class CNxWidget; |
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/** |
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* Base CWindowEventHandler class, intended to be subclassed. Any class that |
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* needs to listen for window events should inherit from this class. |
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*/ |
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class CWindowEventHandler |
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{ |
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public: |
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/** |
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* Constructor. |
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*/ |
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inline CWindowEventHandler() { } |
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/** |
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* Destructor. |
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*/ |
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virtual inline ~CWindowEventHandler() { } |
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/** |
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* Handle a NX window redraw request event |
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*/ |
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virtual void handleRedrawEvent(void) { } |
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/** |
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* Handle a NX window position/size change event |
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*/ |
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virtual void handleGeometryEvent(void) { } |
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/** |
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* Handle an NX window mouse input event. |
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* |
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* @param e The event data. |
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*/ |
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#ifdef CONFIG_NX_MOUSE |
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virtual void handleMouseEvent(void) { } |
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#endif |
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/** |
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* Handle a NX window keyboard input event. |
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*/ |
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#ifdef CONFIG_NX_KBD |
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virtual void handleKeyboardEvent(void) { } |
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#endif |
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/** |
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* Handle a NX window blocked event |
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* |
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* @param arg - User provided argument (see nx_block or nxtk_block) |
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*/ |
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virtual void handleBlockedEvent(FAR void *arg) { } |
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}; |
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} |
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#endif // __cplusplus |
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#endif // __INCLUDE_CWINDOWEVENTHANDLER_HXX
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