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-rw-r--r--qtjava/javalib/examples/dragdrop/DropSite.java167
-rw-r--r--qtjava/javalib/examples/dragdrop/Main.java87
-rw-r--r--qtjava/javalib/examples/dragdrop/SecretDrag.java53
-rw-r--r--qtjava/javalib/examples/dragdrop/SecretSource.java69
-rw-r--r--qtjava/javalib/examples/dragdrop/trolltech.bmpbin0 -> 30054 bytes
-rw-r--r--qtjava/javalib/examples/dragdrop/trolltech.gifbin0 -> 42629 bytes
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
Binary files differ
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
Binary files differ
generated by cgit v1.2.1 (git 2.18.0) at 2025-01-06 10:03:34 +0000