6 files changed, 376 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();
+}
+
+}
diff --git a/qtjava/javalib/examples/dragdrop/Main.java b/qtjava/javalib/examples/dragdrop/Main.java
new file mode 100644
index 00000000..3297aaec
--- /dev/null
+++ b/qtjava/javalib/examples/dragdrop/Main.java
@@ -0,0 +1,87 @@
+/***************************************************************************
+* $Id$
+**
+* Ritual main() for Qt applications
+**
+* Copyright (C) 1996 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.*;
+
+public class Main {
+
+
+static DropSite addStuff( QWidget  parent, boolean image )
+{
+	return addStuff(parent, image, false);
+}
+
+static DropSite addStuff( QWidget  parent, boolean image, boolean secret )
+{
+    QVBoxLayout  tll = new QVBoxLayout( parent, 10 );
+    DropSite  d = new DropSite( parent );
+    d.setFrameStyle( QFrame.Sunken + QFrame.WinPanel );
+    tll.addWidget( d );
+    if ( image ) {
+	QPixmap stuff = new QPixmap();
+	if ( !stuff.load( "trolltech.bmp" ) ) {
+	    stuff = new QPixmap(20,20);
+	    stuff.fill(Qt.green());
+	}
+	d.setPixmap( stuff );
+    } else {
+	d.setText("Drag and Drop");
+    }
+    d.setFont(new QFont("Helvetica",18));
+    if ( secret ) {
+	SecretSource s = new SecretSource( (byte) 42, parent );
+	tll.addWidget( s );
+	d.setSecretSource( s);
+    }
+
+    QLabel  format = new QLabel( "\n\n\n\nNone\n\n\n\n", parent );
+    tll.addWidget( format );
+    tll.activate();
+    parent.resize( parent.sizeHint() );
+
+    QObject.connect( d, Qt.SIGNAL("message(String)"),
+		      format, Qt.SLOT("setText(String)") );
+	return d;
+}
+
+
+
+
+public static void main( String[] args )
+{
+    QApplication a = new QApplication( args );
+
+    QWidget mw = new QWidget();
+    DropSite d1 = addStuff( mw, true );
+    mw.setCaption( "Qt Example - Drag and Drop" );
+    mw.show();
+
+    QWidget mw2 = new QWidget();
+    DropSite d2 = addStuff( mw2, false );
+    mw2.setCaption( "Qt Example - Drag and Drop" );
+    mw2.show();
+
+    QWidget mw3 = new QWidget();
+    DropSite d3 = addStuff( mw3, true, true );
+    mw3.setCaption( "Qt Example - Drag and Drop" );
+    mw3.show();
+
+    QObject.connect(Qt.qApp(),Qt.SIGNAL("lastWindowClosed()"),Qt.qApp(),Qt.SLOT("quit()"));
+    a.exec();
+	return;
+}
+
+static {
+	qtjava.initialize();
+}
+
+}
diff --git a/qtjava/javalib/examples/dragdrop/SecretDrag.java b/qtjava/javalib/examples/dragdrop/SecretDrag.java
new file mode 100644
index 00000000..fd12aed3
--- /dev/null
+++ b/qtjava/javalib/examples/dragdrop/SecretDrag.java
@@ -0,0 +1,53 @@
+/***************************************************************************
+* $Id$
+**
+* Custom MIME type implementation example
+**
+* 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.*;
+
+
+class SecretDrag extends QStoredDrag {
+
+//create the object withe the secret byte
+public SecretDrag( byte secret, QWidget  parent, String  name )
+{
+    super( "secret/magic", parent, name );
+    byte[] data = { 0 };
+    data[0]= secret;
+    setEncodedData( data );
+}
+
+public SecretDrag( byte secret, QWidget  parent )
+{
+	this(secret, parent, null);
+}
+
+
+public static boolean canDecode( QDragMoveEvent e )
+{
+    return e.provides( "secret/magic" );
+}
+
+//decode it into a string
+public static boolean decode( QDropEvent e, StringBuffer str )
+{
+    byte[] payload = e.data( "secret/magic" );
+    if ( payload.length > 0 ) {
+	e.accept();
+	String msg = "The secret number is " + payload[0];
+	str.setLength(0);
+	str.append(msg);
+	return true;
+    }
+    return false;
+}
+
+}
diff --git a/qtjava/javalib/examples/dragdrop/SecretSource.java b/qtjava/javalib/examples/dragdrop/SecretSource.java
new file mode 100644
index 00000000..00824dee
--- /dev/null
+++ b/qtjava/javalib/examples/dragdrop/SecretSource.java
@@ -0,0 +1,69 @@
+/***************************************************************************
+* $Id$
+**
+* Custom MIME type implementation example
+**
+* 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.*;
+
+class SecretSource extends QLabel
+{
+private    int mySecret;
+
+SecretSource( byte secret, QWidget parent )
+{
+	this(secret, parent, null);
+}
+
+SecretSource( byte secret, QWidget parent, String  name )
+{
+    super( "Secret", parent, name );
+    setBackgroundColor( blue().light() );
+    setFrameStyle( Box | Sunken );
+    setMinimumHeight( sizeHint().height() * 2 );
+    setAlignment( AlignCenter );
+    mySecret = secret;
+}
+
+{
+}
+
+/* XPM */
+static String  picture_xpm[] = {
+"16 16 3 1",
+" 	c None",
+".	c #000000",
+"X	c #FFFF00",
+"     .....      ",
+"   ..XXXXX..    ",
+"  .XXXXXXXXX.   ",
+" .XXXXXXXXXXX.  ",
+" .XX..XXX..XX.  ",
+".XXXXXXXXXXXXX. ",
+".XX...XXX...XX. ",
+".XXX..XXX..XXX. ",
+".XXXXXXXXXXXXX. ",
+".XXXXXX.XXXXXX. ",
+" .XX.XX.XX.XX.  ",
+" .XXX..X..XXX.  ",
+"  .XXXXXXXXX.   ",
+"   ..XXXXX..    ",
+"     .....      ",
+"                "};
+
+protected void mousePressEvent( QMouseEvent  e )
+{
+    SecretDrag sd = new SecretDrag( (byte) mySecret, this );
+    sd.setPixmap(new QPixmap(picture_xpm),new QPoint(8,8));
+    sd.dragCopy();
+    mySecret++;
+}
+
+}
diff --git a/qtjava/javalib/examples/dragdrop/trolltech.bmp b/qtjava/javalib/examples/dragdrop/trolltech.bmp
new file mode 100644
index 00000000..220861e2
--- /dev/null
+++ b/qtjava/javalib/examples/dragdrop/trolltech.bmp
diff --git a/qtjava/javalib/examples/dragdrop/trolltech.gif b/qtjava/javalib/examples/dragdrop/trolltech.gif
new file mode 100644
index 00000000..f674369e
--- /dev/null
+++ b/qtjava/javalib/examples/dragdrop/trolltech.gif