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, TQ_SIGNAL(<a href="ntqbutton.html#clicked">clicked</a>()), tqApp, TQ_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, TQ_SIGNAL(valueChanged(int)),
             cannonField, TQ_SLOT(setAngle(int)) );
    <a href="ntqobject.html#connect">connect</a>( cannonField, TQ_SIGNAL(angleChanged(int)),
             angle, TQ_SLOT(setValue(int)) );

    <a href="ntqobject.html#connect">connect</a>( force, TQ_SIGNAL(valueChanged(int)),
             cannonField, TQ_SLOT(setForce(int)) );
    <a href="ntqobject.html#connect">connect</a>( cannonField, TQ_SIGNAL(forceChanged(int)),
             force, TQ_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 );

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    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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