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237 lines
8.4 KiB
237 lines
8.4 KiB
/**************************************************************************** |
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* NxWidgets/libnxwidgets/include/cwidgeteventargs.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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* |
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* Portions of this package derive from Woopsi (http://woopsi.org/) and |
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* portions are original efforts. It is difficult to determine at this |
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* point what parts are original efforts and which parts derive from Woopsi. |
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* However, in any event, the work of Antony Dzeryn will be acknowledged |
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* in most NxWidget files. Thanks Antony! |
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* |
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* Copyright (c) 2007-2011, Antony Dzeryn |
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* All rights reserved. |
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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 are met: |
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* |
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* * 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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* * Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* * Neither the names "Woopsi", "Simian Zombie" nor the |
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* names of its contributors may be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY Antony Dzeryn ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL Antony Dzeryn BE LIABLE FOR ANY |
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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****************************************************************************/ |
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#ifndef __INCLUDE_CWIDGETEVENTARGS_HXX |
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#define __INCLUDE_CWIDGETEVENTARGS_HXX |
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/**************************************************************************** |
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* Included Files |
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****************************************************************************/ |
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#include <nuttx/config.h> |
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#include <stdint.h> |
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#include <stdbool.h> |
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#include <nuttx/nx/nxglib.h> |
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#include "nxconfig.hxx" |
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#include "teventargs.hxx" |
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/**************************************************************************** |
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* Pre-Processor Definitions |
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****************************************************************************/ |
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/* Interesting Key events ***************************************************/ |
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#define KEY_CODE_NONE ((nxwidget_char_t)0x00) /**< No key (NUL) */ |
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#define KEY_CODE_BACKSPACE ((nxwidget_char_t)0x08) /**< Backspace key */ |
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#define KEY_CODE_DELETE ((nxwidget_char_t)0x7f) /**< Delete key */ |
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#define KEY_CODE_ENTER ((nxwidget_char_t)0x0d) /**< Enter key (carriage return) */ |
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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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* Cursor control events |
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*/ |
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typedef enum |
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{ |
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CURSOR_HOME = 1, // Set the cursor to the beginning |
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CURSOR_END, // Set the cursor to the end |
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CURSOR_UP, // Set the cursor up one row |
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CURSOR_DOWN, // Set the cursor down one row |
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CURSOR_LEFT, // Move the cursor left one column |
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CURSOR_RIGHT, // Move the cursor right one column |
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CURSOR_PAGEUP, // Move the cursor up one page |
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CURSOR_PAGEDOWN, // Move the cursor down one page |
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} ECursorControl; |
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/** |
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* Event arguments passed to listeners when a CNxWidget object raises an event. |
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*/ |
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class CWidgetEventArgs : public TEventArgs<CNxWidget*> |
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{ |
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private: |
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nxgl_coord_t m_x; /**< X coordinateinate of the event. */ |
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nxgl_coord_t m_y; /**< Y coordinateinate of the event. */ |
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nxgl_coord_t m_vX; /**< X distance moved during event, for dragging. */ |
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nxgl_coord_t m_vY; /**< Y distance moved during event, for dragging. */ |
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nxwidget_char_t m_key; /**< The key code / cursor code that raised the event. */ |
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public: |
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/** |
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* Constructor. |
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* |
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* @param source Pointer to the CNxWidget object that raised the event. |
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* @param x The x coordinate of the event. |
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* @param y The y coordinate of the event. |
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* @param vX The x distance of the event. |
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* @param vY The y distance of the event. |
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* @param keyCode The keycode of the event. |
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*/ |
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CWidgetEventArgs(CNxWidget *source, const nxgl_coord_t x, const nxgl_coord_t y, |
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const nxgl_coord_t vX, const nxgl_coord_t vY, |
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const nxwidget_char_t key) |
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: TEventArgs<CNxWidget*>(source) |
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{ |
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m_x = x; |
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m_y = y; |
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m_vX = vX; |
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m_vY = vY; |
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m_key = key; |
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} |
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/** |
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* Get the x coordinate of the mouse event. Applies only to the following |
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* events: mouse click, mouse double click, mouse drag, mouse release |
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* |
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* @return The x coordinate of the event. |
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*/ |
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inline const nxgl_coord_t getX(void) const |
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{ |
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return m_x; |
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} |
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/** |
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* Get the y coordinate of the mouse event. Applies only to the following |
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* events: mouse click, mouse double click, mouse drag, mouse release |
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* |
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* @return The y coordinate of the event. |
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*/ |
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inline const nxgl_coord_t getY(void) const |
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{ |
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return m_y; |
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} |
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/** |
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* Get the x-axis mouse move distance of the mouse event. Applies |
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* only to the mouse drag event. |
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* |
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* @return The x-axis mouse move distance of the event. |
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*/ |
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inline const nxgl_coord_t getVX(void) const |
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{ |
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return m_vX; |
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} |
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/** |
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* Get the y-axis mouse move distance of the event. Applies |
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* only to the mouse drag event. |
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* |
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* @return The y-axis mouse move distance of the event. |
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*/ |
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inline const nxgl_coord_t getVY(void) const |
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{ |
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return m_vY; |
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} |
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/** |
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* Get the key press that generated the event. Applies only to |
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* the key press event. |
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* |
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* @return The key that generated the event. |
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*/ |
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inline const nxwidget_char_t getKey(void) const |
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{ |
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return m_key; |
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} |
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/** |
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* Get the cursor control that generated the event. Applies only |
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* to the curso control event. |
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* |
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* @return The cursor control that generated the event. |
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*/ |
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inline const ECursorControl getCursorControl(void) const |
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{ |
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return (ECursorControl)m_key; |
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} |
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}; |
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} |
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#endif // __cplusplus |
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#endif // __INCLUDE_CWIDGETEVENTARGS_HXX
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