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/****************************************************************************
* NxWidgets/libnxwidgets/include/cimagebutton.hxx
*
* Copyright (C) 2014 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.
*
****************************************************************************/
#ifndef __INCLUDE_CSTICKIMAGE_HXX
#define __INCLUDE_CSTICKIMAGE_HXX
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include <nuttx/nx/nxglib.h>
#include "cimage.hxx"
#include "cwidgetstyle.hxx"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Implementation Classes
****************************************************************************/
#if defined(__cplusplus)
namespace NXWidgets
{
class CWidgetControl;
/**
* CImage that sticks in the selected selected state when clicked.
*/
class CStickyImage : public CImage
{
protected:
bool m_stuckSelection; /**< True if the image is stuck in the selected */
/**
* Draw the area of this widget that falls within the clipping region.
* Called by the redraw() function to draw all visible regions.
*
* @param port The CGraphicsPort to draw to.
* @see redraw()
*/
virtual void drawContents(CGraphicsPort *port);
/**
* Draw the area of this widget that falls within the clipping region.
* Called by the redraw() function to draw all visible regions.
*
* @param port The CGraphicsPort to draw to.
* @see redraw()
*/
virtual void drawBorder(CGraphicsPort *port);
/**
* Don't redraw on click events. The image state is completely controlled
* by the m_stuckSelection state.
*
* @param x The x coordinate of the click.
* @param y The y coordinate of the click.
*/
virtual void onClick(nxgl_coord_t x, nxgl_coord_t y) {}
/**
* Don't redraw on release events. The image state is completely controlled
* by the m_stuckSelection state.
*
* @param x The x coordinate of the mouse.
* @param y The y coordinate of the mouse.
*/
virtual void onRelease(nxgl_coord_t x, nxgl_coord_t y) { }
/**
* Don't redraw on release events. The image state is completely controlled
* by the m_stuckSelection state.
*
* @param x The x coordinate of the mouse.
* @param y The y coordinate of the mouse.
*/
virtual void onReleaseOutside(nxgl_coord_t x, nxgl_coord_t y) { }
/**
* Copy constructor is protected to prevent usage.
*/
inline CStickyImage(const CStickyImage &button) : CImage(button) { }
public:
/**
* Constructor for an image.
*
* @param pWidgetControl The controlling widget for the display
* @param x The x coordinate of the image box, relative to its parent.
* @param y The y coordinate of the image box, relative to its parent.
* @param width The width of the image box.
* @param height The height of the image box.
* @param bitmap The source bitmap image.
* @param style The style that the widget should use. If this is not
* specified, the button will use the global default widget
* style.
*/
CStickyImage(CWidgetControl *pWidgetControl, nxgl_coord_t x, nxgl_coord_t y,
nxgl_coord_t width, nxgl_coord_t height, FAR IBitmap *bitmap,
CWidgetStyle *style = (CWidgetStyle *)NULL);
/**
* Destructor.
*/
virtual inline ~CStickyImage(void) { }
/**
* Sets the image's stuck selection state.
*
* @param selection The new stuck selection state.
*/
void setStuckSelection(bool selection);
/**
* Toggles the images stuck selection state.
*/
inline void toggleStuckSelection(void)
{
setStuckSelection(!m_stuckSelection);
}
/**
* Returns the stuck selection state.
*
* @return True is the button is in the stuck selection state.
*/
inline const bool isStuckSelection(void) const
{
return m_stuckSelection;
}
};
}
#endif // __cplusplus
#endif // __INCLUDE_CSTICKIMAGE_HXX
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