home *** CD-ROM | disk | FTP | other *** search
- /****************************************************************
- **
- ** Qt tutorial 10
- **
- ****************************************************************/
-
- #include <qapplication.h>
- #include <qpushbutton.h>
- #include <qlcdnumber.h>
- #include <qfont.h>
- #include <qlayout.h>
-
- #include "lcdrange.h"
- #include "cannon.h"
-
-
- class MyWidget: public QWidget
- {
- public:
- MyWidget( QWidget *parent=0, const char *name=0 );
- };
-
-
- MyWidget::MyWidget( QWidget *parent, const char *name )
- : QWidget( parent, name )
- {
- QPushButton *quit = new QPushButton( "&Quit", this, "quit" );
- quit->setFont( QFont( "Times", 18, QFont::Bold ) );
-
- connect( quit, SIGNAL(clicked()), qApp, SLOT(quit()) );
-
- LCDRange *angle = new LCDRange( this, "angle" );
- angle->setRange( 5, 70 );
-
- LCDRange *force = new LCDRange( this, "force" );
- force->setRange( 10, 50 );
-
- CannonField *cannonField = new CannonField( this, "cannonField" );
-
- connect( angle, SIGNAL(valueChanged(int)),
- cannonField, SLOT(setAngle(int)) );
- connect( cannonField, SIGNAL(angleChanged(int)),
- angle, SLOT(setValue(int)) );
-
- connect( force, SIGNAL(valueChanged(int)),
- cannonField, SLOT(setForce(int)) );
- connect( cannonField, SIGNAL(forceChanged(int)),
- force, SLOT(setValue(int)) );
-
- QGridLayout *grid = new QGridLayout( this, 2, 2, 10 );
- grid->addWidget( quit, 0, 0 );
- grid->addWidget( cannonField, 1, 1 );
- grid->setColStretch( 1, 10 );
-
- QVBoxLayout *leftBox = new QVBoxLayout;
- grid->addLayout( leftBox, 1, 0 );
- leftBox->addWidget( angle );
- leftBox->addWidget( force );
-
- angle->setValue( 60 );
- force->setValue( 25 );
- angle->setFocus();
- }
-
- int main( int argc, char **argv )
- {
- QApplication::setColorSpec( QApplication::CustomColor );
- QApplication a( argc, argv );
-
- MyWidget w;
- w.setGeometry( 100, 100, 500, 355 );
- a.setMainWidget( &w );
- w.show();
- return a.exec();
- }
-