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author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:24:15 -0500 |
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committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-07-10 15:24:15 -0500 |
commit | bd0f3345a938b35ce6a12f6150373b0955b8dd12 (patch) | |
tree | 7a520322212d48ebcb9fbe1087e7fca28b76185c /tutorial/t7 | |
download | qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.zip |
Add Qt3 development HEAD version
Diffstat (limited to 'tutorial/t7')
-rw-r--r-- | tutorial/t7/lcdrange.cpp | 33 | ||||
-rw-r--r-- | tutorial/t7/lcdrange.h | 34 | ||||
-rw-r--r-- | tutorial/t7/main.cpp | 55 | ||||
-rw-r--r-- | tutorial/t7/t7.pro | 7 |
4 files changed, 129 insertions, 0 deletions
diff --git a/tutorial/t7/lcdrange.cpp b/tutorial/t7/lcdrange.cpp new file mode 100644 index 0000000..defa133 --- /dev/null +++ b/tutorial/t7/lcdrange.cpp @@ -0,0 +1,33 @@ +/**************************************************************** +** +** Implementation of LCDRange class, Qt tutorial 7 +** +****************************************************************/ + +#include "lcdrange.h" + +#include <qslider.h> +#include <qlcdnumber.h> + +LCDRange::LCDRange( QWidget *parent, const char *name ) + : QVBox( parent, name ) +{ + QLCDNumber *lcd = new QLCDNumber( 2, this, "lcd" ); + slider = new QSlider( Horizontal, this, "slider" ); + slider->setRange( 0, 99 ); + slider->setValue( 0 ); + connect( slider, SIGNAL(valueChanged(int)), + lcd, SLOT(display(int)) ); + connect( slider, SIGNAL(valueChanged(int)), + SIGNAL(valueChanged(int)) ); +} + +int LCDRange::value() const +{ + return slider->value(); +} + +void LCDRange::setValue( int value ) +{ + slider->setValue( value ); +} diff --git a/tutorial/t7/lcdrange.h b/tutorial/t7/lcdrange.h new file mode 100644 index 0000000..0c0219b --- /dev/null +++ b/tutorial/t7/lcdrange.h @@ -0,0 +1,34 @@ +/**************************************************************** +** +** Definition of LCDRange class, Qt tutorial 7 +** +****************************************************************/ + +#ifndef LCDRANGE_H +#define LCDRANGE_H + +#include <qvbox.h> + +class QSlider; + + +class LCDRange : public QVBox +{ + Q_OBJECT +public: + LCDRange( QWidget *parent=0, const char *name=0 ); + + int value() const; + +public slots: + void setValue( int ); + +signals: + void valueChanged( int ); + +private: + QSlider *slider; +}; + + +#endif // LCDRANGE_H diff --git a/tutorial/t7/main.cpp b/tutorial/t7/main.cpp new file mode 100644 index 0000000..385fd3b --- /dev/null +++ b/tutorial/t7/main.cpp @@ -0,0 +1,55 @@ +/**************************************************************** +** +** Qt tutorial 7 +** +****************************************************************/ + +#include <qapplication.h> +#include <qpushbutton.h> +#include <qlcdnumber.h> +#include <qfont.h> +#include <qvbox.h> +#include <qgrid.h> + +#include "lcdrange.h" + + +class MyWidget : public QVBox +{ +public: + MyWidget( QWidget *parent=0, const char *name=0 ); +}; + + +MyWidget::MyWidget( QWidget *parent, const char *name ) + : QVBox( parent, name ) +{ + QPushButton *quit = new QPushButton( "Quit", this, "quit" ); + quit->setFont( QFont( "Times", 18, QFont::Bold ) ); + + connect( quit, SIGNAL(clicked()), qApp, SLOT(quit()) ); + + QGrid *grid = new QGrid( 4, this ); + + LCDRange *previous = 0; + for( int r = 0 ; r < 4 ; r++ ) { + for( int c = 0 ; c < 4 ; c++ ) { + LCDRange* lr = new LCDRange( grid ); + if ( previous ) + connect( lr, SIGNAL(valueChanged(int)), + previous, SLOT(setValue(int)) ); + previous = lr; + } + } +} + + +int main( int argc, char **argv ) +{ + QApplication a( argc, argv ); + + MyWidget w; + a.setMainWidget( &w ); + w.show(); + return a.exec(); +} diff --git a/tutorial/t7/t7.pro b/tutorial/t7/t7.pro new file mode 100644 index 0000000..f83e7cd --- /dev/null +++ b/tutorial/t7/t7.pro @@ -0,0 +1,7 @@ +TEMPLATE = app +CONFIG += qt warn_on release +HEADERS = lcdrange.h +SOURCES = lcdrange.cpp \ + main.cpp +TARGET = t7 +REQUIRES=large-config |