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tqt3/doc/html/t10-main-cpp.html

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<pre>/****************************************************************
**
** TQt tutorial 10
**
****************************************************************/
#include &lt;<a href="qapplication-h.html">ntqapplication.h</a>&gt;
#include &lt;<a href="qpushbutton-h.html">ntqpushbutton.h</a>&gt;
#include &lt;<a href="qlcdnumber-h.html">ntqlcdnumber.h</a>&gt;
#include &lt;<a href="qfont-h.html">ntqfont.h</a>&gt;
#include &lt;<a href="qlayout-h.html">ntqlayout.h</a>&gt;
#include "lcdrange.h"
#include "cannon.h"
class MyWidget: public <a href="ntqwidget.html">TQWidget</a>
{
public:
MyWidget( <a href="ntqwidget.html">TQWidget</a> *parent=0, const char *name=0 );
};
<a name="f52"></a>MyWidget::MyWidget( <a href="ntqwidget.html">TQWidget</a> *parent, const char *name )
: <a href="ntqwidget.html">TQWidget</a>( parent, name )
{
<a href="ntqpushbutton.html">TQPushButton</a> *quit = new <a href="ntqpushbutton.html">TQPushButton</a>( "&amp;Quit", this, "quit" );
quit-&gt;<a href="ntqwidget.html#setFont">setFont</a>( TQFont( "Times", 18, TQFont::Bold ) );
<a href="ntqobject.html#connect">connect</a>( quit, SIGNAL(<a href="ntqbutton.html#clicked">clicked</a>()), qApp, SLOT(<a href="ntqapplication.html#quit">quit</a>()) );
LCDRange *angle = new LCDRange( this, "angle" );
angle-&gt;setRange( 5, 70 );
LCDRange *force = new LCDRange( this, "force" );
force-&gt;setRange( 10, 50 );
CannonField *cannonField = new CannonField( this, "cannonField" );
<a href="ntqobject.html#connect">connect</a>( angle, SIGNAL(valueChanged(int)),
cannonField, SLOT(setAngle(int)) );
<a href="ntqobject.html#connect">connect</a>( cannonField, SIGNAL(angleChanged(int)),
angle, SLOT(setValue(int)) );
<a href="ntqobject.html#connect">connect</a>( force, SIGNAL(valueChanged(int)),
cannonField, SLOT(setForce(int)) );
<a href="ntqobject.html#connect">connect</a>( cannonField, SIGNAL(forceChanged(int)),
force, SLOT(setValue(int)) );
<a href="qgridlayout.html">TQGridLayout</a> *grid = new <a href="qgridlayout.html">TQGridLayout</a>( this, 2, 2, 10 );
grid-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( quit, 0, 0 );
grid-&gt;<a href="qgridlayout.html#addWidget">addWidget</a>( cannonField, 1, 1 );
grid-&gt;<a href="qgridlayout.html#setColStretch">setColStretch</a>( 1, 10 );
<a href="qvboxlayout.html">TQVBoxLayout</a> *leftBox = new <a href="qvboxlayout.html">TQVBoxLayout</a>;
grid-&gt;<a href="qgridlayout.html#addLayout">addLayout</a>( leftBox, 1, 0 );
leftBox-&gt;<a href="qboxlayout.html#addWidget">addWidget</a>( angle );
leftBox-&gt;<a href="qboxlayout.html#addWidget">addWidget</a>( force );
angle-&gt;setValue( 60 );
force-&gt;setValue( 25 );
angle-&gt;<a href="ntqwidget.html#setFocus">setFocus</a>();
}
int main( int argc, char **argv )
{
TQApplication::<a href="ntqapplication.html#setColorSpec">setColorSpec</a>( TQApplication::CustomColor );
<a href="ntqapplication.html">TQApplication</a> a( argc, argv );
MyWidget w;
w.<a href="ntqwidget.html#setGeometry">setGeometry</a>( 100, 100, 500, 355 );
a.<a href="ntqapplication.html#setMainWidget">setMainWidget</a>( &amp;w );
w.<a href="ntqwidget.html#show">show</a>();
return a.<a href="ntqapplication.html#exec">exec</a>();
}
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