mainwindow.cpp
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#include <qlayout.h>
#include "tunerfrm.h"
#include "ampfrm.h"
#include "mainwindow.h"
MainWindow::MainWindow():
QWidget()
{
TunerFrame *frmTuner = new TunerFrame(this);
frmTuner->setFrameStyle(QFrame::Panel|QFrame::Raised);
AmpFrame *frmAmp = new AmpFrame(this);
frmAmp->setFrameStyle(QFrame::Panel|QFrame::Raised);
QVBoxLayout *layout = new QVBoxLayout(this);
layout->setMargin(0);
layout->setSpacing(0);
layout->addWidget(frmTuner);
layout->addWidget(frmAmp);
connect(frmTuner, SIGNAL(fieldChanged(double)),
frmAmp, SLOT(setMaster(double)));
frmTuner->setFreq(90.0);
setPalette( QPalette( QColor( 192, 192, 192 ) ) );
updateGradient();
}
void MainWindow::resizeEvent( QResizeEvent * )
{
#ifdef Q_WS_X11
updateGradient();
#endif
}
void MainWindow::updateGradient()
{
QPalette pal = palette();
const QColor buttonColor = pal.color( QPalette::Button );
const QColor lightColor = pal.color( QPalette::Light );
const QColor midLightColor = pal.color( QPalette::Midlight );
#ifdef Q_WS_X11
// Qt 4.7.1: QGradient::StretchToDeviceMode is buggy on X11
QLinearGradient gradient( rect().topLeft(), rect().topRight() );
#else
QLinearGradient gradient( 0, 0, 1, 0 );
gradient.setCoordinateMode( QGradient::StretchToDeviceMode );
#endif
gradient.setColorAt( 0.0, midLightColor );
gradient.setColorAt( 0.7, buttonColor );
gradient.setColorAt( 1.0, buttonColor );
pal.setBrush( QPalette::Window, gradient );
setPalette( pal );
}