/****************************************************************************
* NxWidgets/libnxwidgets/src/cbutton.cxx
*
* 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdint.h>
#include <stdbool.h>
#include <nuttx/nx/nxglib.h>
#include "cbutton.hxx"
#include "cgraphicsport.hxx"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* CButton Method Implementations
****************************************************************************/
using namespace NXWidgets;
/**
* Constructor for buttons that display a string.
*
* @param pWidgetControl The controlling widget for the display.
* @param x The x coordinate of the button, relative to its parent.
* @param y The y coordinate of the button, relative to its parent.
* @param width The width of the button.
* @param height The height of the button.
* @param text The text for the button to display.
* @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.
*/
CButton::CButton(CWidgetControl *pWidgetControl,
nxgl_coord_t x, nxgl_coord_t y, nxgl_coord_t width,
nxgl_coord_t height, const CNxString &text, CWidgetStyle *style)
: CLabel(pWidgetControl, x, y, width, height, text, style)
{
}
/**
* Draws the outline of the button.
*
* @param port Graphics port to draw to.
*/
void CButton::drawOutline(CGraphicsPort *port)
{
drawOutline(port, isClicked());
}
/**
* Draws the outline of the button.
*
* @param port Graphics port to draw to.
* @param useClicked Present outline using the 'clicked' style
*/
void CButton::drawOutline(CGraphicsPort *port, bool useClicked)
{
// Stop drawing if the widget indicates it should not have an outline
if (isBorderless())
{
return;
}
// Work out which colors to use
nxgl_coord_t color1;
nxgl_coord_t color2;
if (useClicked)
{
// Bevelled into the screen
color1 = getShadowEdgeColor();
color2 = getShineEdgeColor();
}
else
{
// Bevelled out of the screen
color1 = getShineEdgeColor();
color2 = getShadowEdgeColor();
}
port->drawBevelledRect(getX(), getY(), getWidth(), getHeight(), color1, color2);
}
/**
* 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()
*/
void CButton::drawContents(CGraphicsPort *port)
{
drawContents(port, isClicked());
}
/**
* 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.
* @param useClicked Present contents using the 'clicked' style
* @see redraw()
*/
void CButton::drawContents(CGraphicsPort *port, bool useClicked)
{
// Get the draw region (excluding any borders)
CRect rect;
getRect(rect);
// Get the X/Y position of the text within the button
struct nxgl_point_s pos;
pos.x = rect.getX() + m_align.x;
pos.y = rect.getY() + m_align.y;
// Pick the text color
nxgl_mxpixel_t textColor;
if (!isEnabled())
{
textColor = getDisabledTextColor();
}
else if (useClicked)
{
textColor = getSelectedTextColor();
}
else
{
textColor = getEnabledTextColor();
}
// And draw the button text
port->drawText(&pos, &rect, getFont(), m_text, 0, m_text.getLength(), textColor);
}
/**
* 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()
*/
void CButton::drawBorder(CGraphicsPort *port)
{
drawBorder(port, isClicked());
}
/**
* 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.
* @param useClicked Present border using the 'clicked' style
* @see redraw()
*/
void CButton::drawBorder(CGraphicsPort *port, bool useClicked)
{
// Determine the background color
nxgl_mxpixel_t backColor;
if (useClicked || m_highlighted)
{
backColor = getSelectedBackgroundColor();
}
else
{
backColor = getBackgroundColor();
}
port->drawFilledRect(getX(), getY(), getWidth(), getHeight(), backColor);
drawOutline(port);
}
/**
* Redraws the button.
*
* @param x The x coordinate of the click.
* @param y The y coordinate of the click.
*/
void CButton::onClick(nxgl_coord_t x, nxgl_coord_t y)
{
redraw();
}
/**
* Raises an action.
*
* @param x The x coordinate of the mouse.
* @param y The y coordinate of the mouse.
*/
void CButton::onPreRelease(nxgl_coord_t x, nxgl_coord_t y)
{
m_widgetEventHandlers->raiseActionEvent();
}
/**
* Redraws the button.
*
* @param x The x coordinate of the mouse.
* @param y The y coordinate of the mouse.
*/
void CButton::onRelease(nxgl_coord_t x, nxgl_coord_t y)
{
redraw();
}
/**
* Redraws the button.
*
* @param x The x coordinate of the mouse.
* @param y The y coordinate of the mouse.
*/
void CButton::onReleaseOutside(nxgl_coord_t x, nxgl_coord_t y)
{
redraw();
}
