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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
commitbd0f3345a938b35ce6a12f6150373b0955b8dd12 (patch)
tree7a520322212d48ebcb9fbe1087e7fca28b76185c /tutorial/t7
downloadqt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz
qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.zip
Add Qt3 development HEAD version
Diffstat (limited to 'tutorial/t7')
-rw-r--r--tutorial/t7/lcdrange.cpp33
-rw-r--r--tutorial/t7/lcdrange.h34
-rw-r--r--tutorial/t7/main.cpp55
-rw-r--r--tutorial/t7/t7.pro7
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