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62 lines
1.4 KiB
62 lines
1.4 KiB
/****************************************************************
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**
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** Qt tutorial 6
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**
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****************************************************************/
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#include <qapplication.h>
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#include <qpushbutton.h>
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#include <qslider.h>
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#include <qlcdnumber.h>
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#include <qfont.h>
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#include <qvbox.h>
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#include <qgrid.h>
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class LCDRange : public QVBox
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{
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public:
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LCDRange( QWidget *parent=0, const char *name=0 );
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};
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LCDRange::LCDRange( QWidget *parent, const char *name )
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: QVBox( parent, name )
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{
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QLCDNumber *lcd = new QLCDNumber( 2, this, "lcd" );
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QSlider * slider = new QSlider( Horizontal, this, "slider" );
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slider->setRange( 0, 99 );
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slider->setValue( 0 );
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connect( slider, SIGNAL(valueChanged(int)), lcd, SLOT(display(int)) );
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}
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class MyWidget : public QVBox
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{
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public:
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MyWidget( QWidget *parent=0, const char *name=0 );
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};
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MyWidget::MyWidget( QWidget *parent, const char *name )
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: QVBox( parent, name )
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{
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QPushButton *quit = new QPushButton( "Quit", this, "quit" );
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quit->setFont( QFont( "Times", 18, QFont::Bold ) );
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connect( quit, SIGNAL(clicked()), qApp, SLOT(quit()) );
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QGrid *grid = new QGrid( 4, this );
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for( int r = 0 ; r < 4 ; r++ )
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for( int c = 0 ; c < 4 ; c++ )
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(void)new LCDRange( grid );
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}
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int main( int argc, char **argv )
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{
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QApplication a( argc, argv );
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MyWidget w;
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a.setMainWidget( &w );
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w.show();
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return a.exec();
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}
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