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168 lines
3.6 KiB
168 lines
3.6 KiB
/***************************************************************************
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* $Id$
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**
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* Drop site example implementation
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**
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* Created : 979899
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**
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* Copyright (C) 1997 by Trolltech AS. All rights reserved.
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**
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* This file is part of an example program for Qt. This example
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* program may be used, distributed and modified without limitation.
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**
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****************************************************************************/
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import org.trinitydesktop.qt.*;
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import java.util.*;
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class DropSite extends TQLabel
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{
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SecretSource s;
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void setSecretSource(SecretSource source)
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{
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s = source;
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}
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DropSite( TQWidget parent )
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{
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this(parent, null);
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}
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DropSite( TQWidget parent, String name )
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{
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super( parent, name );
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setAcceptDrops(true);
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}
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{
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// nothing necessary
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}
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protected void dragMoveEvent( TQDragMoveEvent e )
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{
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// Check if you want the drag at e.pos()...
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// Give the user some feedback...
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}
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protected void dragEnterEvent( TQDragEnterEvent e )
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{
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// Check if you want the drag...
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if ( SecretDrag.canDecode( e )
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|| TQTextDrag.canDecode( e )
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|| TQImageDrag.canDecode( e )
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|| TQUriDrag.canDecode( e ) ) {
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e.accept();
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}
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// Give the user some feedback...
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String t = "";
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for( int i=0; e.format( i ) != null; i++ ) {
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t += "\n";
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t += e.format( i );
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}
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emit("message", t );
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setBackgroundColor(white());
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}
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protected void dragLeaveEvent( TQDragLeaveEvent e )
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{
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// Give the user some feedback...
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emit("message", "");
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setBackgroundColor(lightGray());
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}
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protected void dropEvent( TQDropEvent e )
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{
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setBackgroundColor(lightGray());
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// Try to decode to the data you understand...
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StringBuffer str = new StringBuffer("");
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if ( TQTextDrag.decode( e, str ) ) {
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setText( str.toString() );
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setMinimumSize( minimumSize().expandedTo( sizeHint() ) );
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return;
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}
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TQPixmap pm = new TQPixmap();
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if ( TQImageDrag.decode( e, pm ) ) {
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setPixmap( pm );
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setMinimumSize( minimumSize().expandedTo( sizeHint() ) );
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return;
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}
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ArrayList strings = new ArrayList();
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if ( TQUriDrag.decode( e, strings ) ) {
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String m = "Full URLs:\n";
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Iterator it = strings.iterator();
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while (it.hasNext())
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m += " " + (String) it.next() + "\n";
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ArrayList files = new ArrayList();
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if ( TQUriDrag.decodeLocalFiles( e, files ) ) {
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m = m + "Files:\n";
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Iterator i = strings.iterator();
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while (i.hasNext())
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m = m + " " + (String) i.next() + "\n";
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}
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setText( m );
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setMinimumSize( minimumSize().expandedTo( sizeHint() ) );
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return;
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}
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if ( SecretDrag.decode( e, str ) ) {
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setText( str.toString() );
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setMinimumSize( minimumSize().expandedTo( sizeHint() ) );
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return;
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}
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}
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protected void mousePressEvent( TQMouseEvent e )
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{
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TQDragObject drobj;
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if ( pixmap() != null ) {
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drobj = new TQImageDrag( pixmap().convertToImage(), this );
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TQPixmap pm = new TQPixmap();
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pm.convertFromImage(pixmap().convertToImage().smoothScale(
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pixmap().width()/3,pixmap().height()/3));
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drobj.setPixmap(pm,new TQPoint(-5,-7));
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// Try it.
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// new DragMoviePlayer(drobj);
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} else {
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drobj = new TQTextDrag( text(), this );
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}
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drobj.dragCopy();
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}
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class DragMoviePlayer extends TQObject {
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TQDragObject dobj;
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TQMovie movie;
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DragMoviePlayer( TQDragObject p )
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{
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// TQObject(p),
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dobj = p;
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movie = new TQMovie("trolltech.gif" );
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movie.connectUpdate(this,TQ_SLOT("updatePixmap(TQRect)"));
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}
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void updatePixmap( TQRect rect )
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{
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dobj.setPixmap(movie.framePixmap());
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}
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}
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void backgroundColorChange( TQColor color )
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{
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// Reduce flicker by using repaint() rather than update()
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repaint();
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}
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}
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