/****************************************************************************
* NxWidgets/libnxwidgets/src/ccheckbox.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 <stdint.h>
#include <stdbool.h>
#include "nxconfig.hxx"
#include "cwidgetcontrol.hxx"
#include "ccheckbox.hxx"
#include "cgraphicsport.hxx"
#include "cbitmap.hxx"
#include "singletons.hxx"
#include "glyphs.hxx"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/****************************************************************************
* Method Implementations
****************************************************************************/
using namespace NXWidgets;
/**
* Constructor.
*
* @param pWidgetControl The widget control for the display.
* @param x The x coordinate of the checkbox, relative to its parent.
* @param y The y coordinate of the checkbox, relative to its parent.
* @param width The width of the checkbox.
* @param height The height of the checkbox.
* @param style The style that the widget should use. If this is not
* specified, the widget will use the values stored in the global
* g_defaultWidgetStyle object. The widget will copy the properties of
* the style into its own internal style object.
*/
CCheckBox::CCheckBox(CWidgetControl *pWidgetControl,
nxgl_coord_t x, nxgl_coord_t y,
nxgl_coord_t width, nxgl_coord_t height,
CWidgetStyle *style)
: CButton(pWidgetControl, x, y, width, height, *NXWidgets::g_nullString, style)
{
m_state = CHECK_BOX_STATE_OFF;
m_flags.borderless = false;
// Border width is one line
m_borderSize.top = 1;
m_borderSize.right = 1;
m_borderSize.bottom = 1;
m_borderSize.left = 1;
}
/**
* Set the state of the checkbox.
*
* @param state The new checkbox state.
*/
void CCheckBox::setState(CCheckBox::CheckBoxState state)
{
if (m_state != state)
{
m_state = state;
m_widgetEventHandlers->raiseValueChangeEvent();
redraw();
}
}
/**
* 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 CCheckBox::drawContents(CGraphicsPort *port)
{
// Get the X/Y position of the drawable region within the CheckBox
nxgl_coord_t x = getX();
nxgl_coord_t y = getY();
nxgl_coord_t width = getWidth();
nxgl_coord_t height = getHeight();
// Include and offset for the border
if (!m_flags.borderless)
{
x += m_borderSize.left;
y += m_borderSize.top;
width -= (m_borderSize.left + m_borderSize.right);
height -= (m_borderSize.top + m_borderSize.bottom);
}
// Decide which glyph to draw
const struct SBitmap *glyph;
switch (m_state)
{
default:
case CHECK_BOX_STATE_ON:
glyph = &g_checkBoxOn;
break;
case CHECK_BOX_STATE_OFF:
glyph = &g_checkBoxOff;
break;
case CHECK_BOX_STATE_MU:
glyph = &g_checkBoxMu;
break;
}
// Don't exceed the size of the glyph
if (width > glyph->width)
{
width = glyph->width;
}
if (height > glyph->height)
{
height = glyph->height;
}
// Draw the checkbox
port->drawBitmap(x, y, width, height, glyph, 0, 0,
CONFIG_NXWIDGETS_TRANSPARENT_COLOR);
}
/**
* 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 CCheckBox::drawBorder(CGraphicsPort *port)
{
// Determine the background color
nxgl_mxpixel_t backColor;
if (m_highlighted)
{
backColor = getSelectedBackgroundColor();
}
else
{
backColor = getBackgroundColor();
}
// Draw the background (excluding the border)
port->drawFilledRect(getX(), getY(), getWidth(), getHeight(),
backColor);
// Stop drawing if the widget indicates it should not have an outline
if (!isBorderless())
{
port->drawBevelledRect(getX(), getY(), getWidth(), getHeight(),
getShineEdgeColor(), getShadowEdgeColor());
}
}
/**
* Toggles the state of the checkbox.
*
* @param x The x coordinate of the click.
* @param y The y coordinate of the click.
*/
void CCheckBox::onClick(nxgl_coord_t x, nxgl_coord_t y)
{
if (m_state == CHECK_BOX_STATE_ON)
{
setState(CHECK_BOX_STATE_OFF);
}
else
{
setState(CHECK_BOX_STATE_ON);
}
}
