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/**
* Copyright (c) 2011 Nokia Corporation. All rights reserved.
*
* Nokia and Nokia Connecting People are registered trademarks of Nokia
* Corporation. Oracle and Java are registered trademarks of Oracle and/or its
* affiliates. Other product and company names mentioned herein may be
* trademarks or trade names of their respective owners.
*
*
* Subject to the conditions below, you may, without charge:
*
* * Use, copy, modify and/or merge copies of this software and associated
* documentation files (the "Software")
*
* * Publish, distribute, sub-licence and/or sell new software derived from
* or incorporating the Software.
*
*
*
* This file, unmodified, shall be included with all copies or substantial
* portions of the Software that are distributed in source code form.
*
* The Software cannot constitute the primary value of any new software derived
* from or incorporating the Software.
*
* Any person dealing with the Software shall not misrepresent the source of
* the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "button.h"
#include <QMouseEvent>
#include <QPainter>
#include <QTimer>
Button::Button(QWidget *parent, Qt::WindowFlags f) :
QLabel(parent, f)
{
m_downPixmap = 0;
m_disabled = false;
}
Button::~Button()
{
}
void Button::disableBtn(bool b)
{
m_disabled = b;
if (m_disabled) {
setPixmap(m_downPixmap);
} else {
setPixmap(m_upPixmap);
}
}
void Button::mousePressEvent(QMouseEvent *event)
{
if (!m_disabled) {
event->accept();
setPixmap(m_downPixmap);
repaint();
// Lift button back to up after 300ms
QTimer::singleShot(300, this, SLOT(backToUp()));
}
}
void Button::backToUp()
{
setPixmap(m_upPixmap);
repaint();
emit pressed();
}
void Button::setPixmap(const QPixmap& p)
{
// Set up and down picture for the button
// Set pixmap
if (!p.isNull())
QLabel::setPixmap(p);
// Make down pixmap if it does not exists
if (m_downPixmap.isNull()) {
// Store up pixmap
m_upPixmap = *pixmap();
// Create down pixmap
// Make m_downPixmap as a transparent m_upPixmap
QPixmap transparent(m_upPixmap.size());
transparent.fill(Qt::transparent);
QPainter painter(&transparent);
painter.setCompositionMode(QPainter::CompositionMode_Source);
painter.drawPixmap(0, 0, m_upPixmap);
painter.setCompositionMode(QPainter::CompositionMode_DestinationIn);
painter.fillRect(transparent.rect(), QColor(0, 0, 0, 150));
painter.end();
m_downPixmap = transparent;
}
}
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