1 files changed, 167 insertions, 0 deletions
diff --git a/qtjava/javalib/examples/dragdrop/DropSite.java b/qtjava/javalib/examples/dragdrop/DropSite.java
new file mode 100644
index 00000000..3584f1e4
--- /dev/null
+++ b/qtjava/javalib/examples/dragdrop/DropSite.java
@@ -0,0 +1,167 @@
+/***************************************************************************
+* $Id$
+**
+* Drop site example implementation
+**
+* Created : 979899
+**
+* Copyright (C) 1997 by Trolltech AS.  All rights reserved.
+**
+* This file is part of an example program for Qt.  This example
+* program may be used, distributed and modified without limitation.
+**
+****************************************************************************/
+import org.kde.qt.*;
+import java.util.*;
+
+
+class DropSite extends QLabel
+{
+	SecretSource s;
+
+void setSecretSource(SecretSource source)
+{
+	s = source;
+}
+
+DropSite( QWidget  parent )
+{
+	this(parent, null);
+}
+
+DropSite( QWidget  parent, String  name )
+{
+    super( parent, name );
+    setAcceptDrops(true);
+}
+
+
+{
+    // nothing necessary
+}
+
+
+protected void dragMoveEvent( QDragMoveEvent  e )
+{
+    // Check if you want the drag at e.pos()...
+    // Give the user some feedback...
+}
+
+
+protected void dragEnterEvent( QDragEnterEvent e )
+{
+    // Check if you want the drag...
+    if ( SecretDrag.canDecode( e )
+      || QTextDrag.canDecode( e )
+      || QImageDrag.canDecode( e )
+      || QUriDrag.canDecode( e ) ) {
+	e.accept();
+	}
+
+    // Give the user some feedback...
+    String t = "";
+    for( int i=0; e.format( i ) != null; i++ ) {
+		t += "\n";
+	    t += e.format( i );
+    }
+    emit("message", t );
+    setBackgroundColor(white());
+}
+
+protected void dragLeaveEvent( QDragLeaveEvent e  )
+{
+    // Give the user some feedback...
+    emit("message", "");
+    setBackgroundColor(lightGray());
+}
+
+
+protected void dropEvent( QDropEvent  e )
+{
+    setBackgroundColor(lightGray());
+
+    // Try to decode to the data you understand...
+
+    StringBuffer str = new StringBuffer("");
+	if ( QTextDrag.decode( e, str ) ) {
+	setText( str.toString() );
+	setMinimumSize( minimumSize().expandedTo( sizeHint() ) );
+	return;
+    }
+
+    QPixmap pm = new QPixmap();
+    if ( QImageDrag.decode( e, pm ) ) {
+	setPixmap( pm );
+	setMinimumSize( minimumSize().expandedTo( sizeHint() ) );
+	return;
+    }
+
+	ArrayList strings = new ArrayList();
+    if ( QUriDrag.decode( e, strings ) ) {
+	String m = "Full URLs:\n";
+	Iterator it = strings.iterator();
+	while (it.hasNext())
+		m += "   " + (String) it.next() + "\n";
+	ArrayList files = new ArrayList();
+	if ( QUriDrag.decodeLocalFiles( e, files ) ) {
+	    m = m + "Files:\n";
+		Iterator i = strings.iterator();
+		while (i.hasNext())
+		m = m + "   " + (String) i.next() + "\n";
+	}
+	setText( m );
+	setMinimumSize( minimumSize().expandedTo( sizeHint() ) );
+	return;
+    }
+
+    if ( SecretDrag.decode( e, str ) ) {
+	setText( str.toString() );
+	setMinimumSize( minimumSize().expandedTo( sizeHint() ) );
+	return;
+    }
+}
+
+protected void mousePressEvent( QMouseEvent  e )
+{
+    QDragObject drobj;
+    if ( pixmap() != null ) {
+	drobj = new QImageDrag( pixmap().convertToImage(), this );
+	QPixmap pm = new QPixmap();
+	pm.convertFromImage(pixmap().convertToImage().smoothScale(
+	    pixmap().width()/3,pixmap().height()/3));
+	drobj.setPixmap(pm,new QPoint(-5,-7));
+	// Try it.
+//	new DragMoviePlayer(drobj);
+    } else {
+	drobj = new QTextDrag( text(), this );
+    }
+    drobj.dragCopy();
+}
+
+class DragMoviePlayer extends QObject {
+    QDragObject dobj;
+    QMovie movie;
+
+DragMoviePlayer( QDragObject p )
+{
+//    QObject(p),
+    dobj = p;
+    movie = new QMovie("trolltech.gif" );
+    movie.connectUpdate(this,SLOT("updatePixmap(QRect)"));
+}
+
+void updatePixmap( QRect rect )
+{
+    dobj.setPixmap(movie.framePixmap());
+}
+
+
+}
+
+void backgroundColorChange( QColor color )
+{
+    // Reduce flicker by using repaint() rather than update()
+    repaint();
+}
+
+}