From bd0f3345a938b35ce6a12f6150373b0955b8dd12 Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Sun, 10 Jul 2011 15:24:15 -0500 Subject: Add Qt3 development HEAD version --- doc/html/t11-lcdrange-cpp.html | 89 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 doc/html/t11-lcdrange-cpp.html (limited to 'doc/html/t11-lcdrange-cpp.html') diff --git a/doc/html/t11-lcdrange-cpp.html b/doc/html/t11-lcdrange-cpp.html new file mode 100644 index 0000000..96408f3 --- /dev/null +++ b/doc/html/t11-lcdrange-cpp.html @@ -0,0 +1,89 @@ + + + + + +t11/lcdrange.cpp Example File + + + + + + + +

t11/lcdrange.cpp Example File

+ + +

/****************************************************************
+**
+** Implementation of LCDRange class, Qt tutorial 8
+**
+****************************************************************/
+
+#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)) );
+
+    setFocusProxy( slider );
+}
+
+int LCDRange::value() const
+{
+    return slider->value();
+}
+
+void LCDRange::setValue( int value )
+{
+    slider->setValue( value );
+}
+
+void LCDRange::setRange( int minVal, int maxVal )
+{
+    if ( minVal < 0 || maxVal > 99 || minVal > maxVal ) {
+      qWarning( "LCDRange::setRange(%d,%d)\n"
+               "\tRange must be 0..99\n"
+               "\tand minVal must not be greater than maxVal",
+               minVal, maxVal );
+      return;
+    }
+    slider->setRange( minVal, maxVal );
+}
+

+ +

Trademarks +

Qt 3.3.8

+ -- cgit v1.2.3