* apps/graphics/nxwidgets/src/cradiobutton.cxx
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************
*
* 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 "graphics/nxwidgets/cwidgetcontrol.hxx"
#include "graphics/nxwidgets/cradiobutton.hxx"
#include "graphics/nxwidgets/cradiobuttongroup.hxx"
#include "graphics/nxwidgets/cgraphicsport.hxx"
#include "graphics/nxwidgets/cbitmap.hxx"
#include "graphics/nxglyphs.hxx"
#include "graphics/nxwidgets/singletons.hxx"
* Pre-Processor Definitions
****************************************************************************/
* CLabel Method Implementations
****************************************************************************/
using namespace NXWidgets;
* Constructor.
*
* @param pWidgetControl The controlling widget for the display.
* @param x The x coordinate of the radio button, relative to its
* parent.
* @param y The y coordinate of the radio button, relative to its
* parent.
* @param width The width of the radio button.
* @param height The height of the radio button.
* @param style The style that the widget should use. If this is not
* specified, the widget will use the values stored in the global
* defaultCWidgetStyle object. The widget will copy the properties of
* the style into its own internal style object.
*/
CRadioButton::CRadioButton(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 = RADIO_BUTTON_STATE_OFF;
m_flags.borderless = true;
}
* Set the state of the radio button.
*
* @param state The new radio button state.
*/
void CRadioButton::setState(CRadioButton::RadioButtonState state)
{
if (m_state != state)
{
m_state = state;
if (m_state != RADIO_BUTTON_STATE_OFF)
{
((CRadioButtonGroup*)m_parent)->setSelectedWidget(this);
}
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 CRadioButton::drawContents(CGraphicsPort *port)
{
nxgl_coord_t x = getX();
nxgl_coord_t y = getY();
nxgl_coord_t width = getWidth();
nxgl_coord_t height = getHeight();
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);
}
const struct SBitmap *glyph;
switch (m_state)
{
default:
case RADIO_BUTTON_STATE_ON:
glyph = &g_radioButtonOn;
break;
case RADIO_BUTTON_STATE_OFF:
glyph = &g_radioButtonOff;
break;
case RADIO_BUTTON_STATE_MU:
glyph = &g_radioButtonMu;
break;
}
if (width > glyph->width)
{
width = glyph->width;
}
if (height > glyph->height)
{
height = glyph->height;
}
port->drawBitmap(x, y, width, height, glyph, 0, 0,
CONFIG_NXWIDGETS_TRANSPARENT_COLOR);
}
* Sets the radiobutton's state to "on".
*
* @param x The x coordinate of the click.
* @param y The y coordinate of the click.
*/
void CRadioButton::onClick(nxgl_coord_t x, nxgl_coord_t y)
{
setState(RADIO_BUTTON_STATE_ON);
}