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px4-firmware/NxWidgets/libnxwidgets/include/cglyphbutton.hxx

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/****************************************************************************
* NxWidgets/libnxwidgets/include/cbutton.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 all 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_CGLYPHBUTTON_HXX
#define __INCLUDE_CGLYPHBUTTON_HXX
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include <nuttx/nx/nxglib.h>
#include "cnxwidget.hxx"
#include "cwidgetstyle.hxx"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Implementation Classes
****************************************************************************/
#if defined(__cplusplus)
namespace NXWidgets
{
/**
* Forward references
*/
class CWidgetControl;
struct SBitmap;
/**
* Class representing a button that will display a glyph.
* Class representing a clickable button that contains a bitmap image
* instead of text. Displays two bitmaps, one when the button is clicked,
* and one when it isn't. The bitmaps should be the same size.
*/
class CGlyphButton : public CNxWidget
{
protected:
FAR const struct SBitmap *m_bitmapNormal; /**< Bitmap when button is not clicked */
FAR const struct SBitmap *m_bitmapClicked; /**< Bitmap when button is clicked */
nxgl_coord_t m_bitmapX; /**< X coordinate of the bitmaps */
nxgl_coord_t m_bitmapY; /**< Y coordinate of the bitmaps */
/**
* 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);
/**
*
* @param port Graphics port to draw to.
*/
virtual void drawOutline(CGraphicsPort *port);
/**
* Redraws the button.
*
* @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);
/**
* Raises an action event and redraws the button.
*
* @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);
/**
* Redraws the button.
*
* @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 CGlyphButton(const CGlyphButton &button) : CNxWidget(button) { }
public:
/**
* Constructor.
*
* @param pWidgetControl The widget control for the display.
* @param x The x coordinate of the button.
* @param y The y coordinate of the button.
* @param width The width of the button.
* @param height The height of the button.
* @param normalGlyph Glyph to display when unclicked.
* @param clickedGlyph Glyph to display when clicked.
* @param bitmapX The x coordinate at which the bitmaps will be drawn.
* @param bitmapY The y coordinate at which the bitmaps will be drawn.
* @param style The style that the button should use. If this is not
* specified, the button will use the values stored in the global
* g_defaultWidgetStyle object. The button will copy the properties of
* the style into its own internal style object.
*/
CGlyphButton(CWidgetControl *pWidgetControl,
nxgl_coord_t x, nxgl_coord_t y,
nxgl_coord_t width, nxgl_coord_t height,
nxgl_coord_t bitmapX, nxgl_coord_t bitmapY,
FAR const struct SBitmap *normalGlyph,
FAR const struct SBitmap *clickedGlyph,
CWidgetStyle *style = (CWidgetStyle *)NULL);
/**
* Destructor.
*/
virtual inline ~CGlyphButton(void) { }
/**
* Insert the dimensions that this widget wants to have into the rect
* passed in as a parameter. All coordinates are relative to the widget's
* parent.
* @param rect Reference to a rect to populate with data.
*/
virtual void getPreferredDimensions(CRect &rect) const;
};
}
#endif // __cplusplus
#endif // __INCLUDE_CGLYPHBUTTON_HXX
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