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 * )
{
// Qt 4.7.1: QGradient::StretchToDeviceMode is buggy on X11
updateGradient();
}
void MainWindow::updateGradient()
{
QPalette pal = palette();
const QColor buttonColor = pal.color( QPalette::Button );
const QColor midLightColor = pal.color( QPalette::Midlight );
QLinearGradient gradient( rect().topLeft(), rect().topRight() );
gradient.setColorAt( 0.0, midLightColor );
gradient.setColorAt( 0.7, buttonColor );
gradient.setColorAt( 1.0, buttonColor );
pal.setBrush( QPalette::Window, gradient );
setPalette( pal );
}