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author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-11-08 12:31:36 -0600 |
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committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-11-08 12:31:36 -0600 |
commit | d796c9dd933ab96ec83b9a634feedd5d32e1ba3f (patch) | |
tree | 6e3dcca4f77e20ec8966c666aac7c35bd4704053 /examples/tooltip/tooltip.cpp | |
download | tqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.tar.gz tqt3-d796c9dd933ab96ec83b9a634feedd5d32e1ba3f.zip |
Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731
Diffstat (limited to 'examples/tooltip/tooltip.cpp')
-rw-r--r-- | examples/tooltip/tooltip.cpp | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/examples/tooltip/tooltip.cpp b/examples/tooltip/tooltip.cpp new file mode 100644 index 000000000..628c4d94f --- /dev/null +++ b/examples/tooltip/tooltip.cpp @@ -0,0 +1,116 @@ +/**************************************************************************** +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for TQt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include "tooltip.h" +#include <qapplication.h> +#include <qpainter.h> +#include <stdlib.h> + + +DynamicTip::DynamicTip( TQWidget * parent ) + : TQToolTip( parent ) +{ + // no explicit initialization needed +} + + +void DynamicTip::maybeTip( const TQPoint &pos ) +{ + if ( !parentWidget()->inherits( "TellMe" ) ) + return; + + TQRect r( ((TellMe*)parentWidget())->tip(pos) ); + if ( !r.isValid() ) + return; + + TQString s; + s.sprintf( "position: %d,%d", r.center().x(), r.center().y() ); + tip( r, s ); +} + + +TellMe::TellMe( TQWidget * parent , const char * name ) + : TQWidget( parent, name ) +{ + setMinimumSize( 30, 30 ); + r1 = randomRect(); + r2 = randomRect(); + r3 = randomRect(); + + t = new DynamicTip( this ); + + TQToolTip::add( this, r3, "this color is called red" ); // <- helpful +} + + +TellMe::~TellMe() +{ + delete t; + t = 0; +} + + +void TellMe::paintEvent( TQPaintEvent * e ) +{ + TQPainter p( this ); + + // I try to be efficient here, and repaint only what's needed + + if ( e->rect().intersects( r1 ) ) { + p.setBrush( blue ); + p.drawRect( r1 ); + } + + if ( e->rect().intersects( r2 ) ) { + p.setBrush( blue ); + p.drawRect( r2 ); + } + + if ( e->rect().intersects( r3 ) ) { + p.setBrush( red ); + p.drawRect( r3 ); + } +} + + +void TellMe::mousePressEvent( TQMouseEvent * e ) +{ + if ( r1.contains( e->pos() ) ) + r1 = randomRect(); + if ( r2.contains( e->pos() ) ) + r2 = randomRect(); + repaint(); +} + + +void TellMe::resizeEvent( TQResizeEvent * ) +{ + if ( !rect().contains( r1 ) ) + r1 = randomRect(); + if ( !rect().contains( r2 ) ) + r2 = randomRect(); +} + + +TQRect TellMe::randomRect() +{ + return TQRect( ::rand() % (width() - 20), ::rand() % (height() - 20), + 20, 20 ); +} + + +TQRect TellMe::tip( const TQPoint & p ) +{ + if ( r1.contains( p ) ) + return r1; + else if ( r2.contains( p ) ) + return r2; + else + return TQRect( 0,0, -1,-1 ); +} |