Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebindings@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

2 files changed, 252 insertions, 0 deletions

diff --git a/qtjava/javalib/examples/scribble/Main.java b/qtjava/javalib/examples/scribble/Main.java
new file mode 100644
index 00000000..01d7a416
--- /dev/null
+++ b/qtjava/javalib/examples/scribble/Main.java
@@ -0,0 +1,36 @@
+/***************************************************************************
+* $Id$
+**
+* Copyright ( C ) 1992-2000 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 {
+
+public static void main(String[] args)
+{
+    QApplication a = new QApplication( args );
+
+    Scribble scribble = new Scribble();
+
+    scribble.resize( 500, 350 );
+    scribble.setCaption("Qt Example - Scribble");
+    a.setMainWidget( scribble );
+    if ( QApplication.desktop().width() > 550
+	 && QApplication.desktop().height() > 366 )
+	scribble.show();
+    else
+	scribble.showMaximized();
+    a.exec();
+    return;
+}
+
+	static {
+		qtjava.initialize();
+	}
+}
diff --git a/qtjava/javalib/examples/scribble/Scribble.java b/qtjava/javalib/examples/scribble/Scribble.java
new file mode 100644
index 00000000..2adf609c
--- /dev/null
+++ b/qtjava/javalib/examples/scribble/Scribble.java
@@ -0,0 +1,216 @@
+/***************************************************************************
+* $Id$
+**
+* Copyright ( C ) 1992-2000 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 Scribble  extends QMainWindow
+{
+
+protected Canvas canvas;
+
+protected QSpinBox bPWidth;
+protected QToolButton bPColor, bSave, bClear;
+
+
+
+class Canvas  extends QWidget
+{
+
+    void setPenColor( QColor c )
+    { pen.setColor( c ); }
+
+    void setPenWidth( int w )
+    { pen.setWidth( w ); }
+
+    QColor penColor()
+    { return pen.color(); }
+
+    int penWidth()
+    { return pen.width(); }
+
+
+protected QPen pen;
+protected QPointArray polyline;
+
+protected boolean mousePressed;
+
+protected QPixmap buffer = new QPixmap();
+
+public boolean no_writing = false;
+
+Canvas( QWidget parent )
+{
+	this(parent, null);
+}
+
+Canvas( QWidget parent, String name )
+{
+    super( parent, name, WStaticContents );
+	pen = new QPen( Qt.red(), 3 );
+	polyline = new QPointArray(3);
+
+    if ((qApp().args().length > 0) && !buffer.load(qApp().args()[0]))
+	buffer.fill( colorGroup().base() );
+    setBackgroundMode( QWidget.PaletteBase );
+    setCursor( Qt.crossCursor() );
+}
+
+void save( String filename, String format )
+{
+    if ( !no_writing )
+	buffer.save( filename, format.toUpperCase() );
+}
+
+void clearScreen()
+{
+    buffer.fill( colorGroup().base() );
+    repaint( false );
+}
+
+protected void mousePressEvent( QMouseEvent e )
+{
+    mousePressed = true;
+    polyline.setPoint(0, e.pos());
+    polyline.setPoint(1, e.pos());
+    polyline.setPoint(2, e.pos());
+}
+
+protected void mouseReleaseEvent( QMouseEvent e  )
+{
+    mousePressed = false;
+}
+
+protected void mouseMoveEvent( QMouseEvent e )
+{
+    if ( mousePressed ) {
+	QPainter painter = new QPainter();
+	painter.begin( buffer );
+	painter.setPen( pen );
+	polyline.setPoint(2, polyline.at(1));
+	polyline.setPoint(1, polyline.at(0));
+	polyline.setPoint(0, e.pos());
+	painter.drawPolyline( polyline );
+	painter.end();
+
+	QRect r = polyline.boundingRect();
+	r = r.normalize();
+	r.setLeft( r.left() - penWidth() );
+	r.setTop( r.top() - penWidth() );
+	r.setRight( r.right() + penWidth() );
+	r.setBottom( r.bottom() + penWidth() );
+
+	bitBlt( this, r.x(), r.y(), buffer, r.x(), r.y(), r.width(), r.height() );
+    }
+}
+
+protected void resizeEvent( QResizeEvent e )
+{
+    super.resizeEvent( e );
+
+    int w = width() > buffer.width() ?
+	    width() : buffer.width();
+    int h = height() > buffer.height() ?
+	    height() : buffer.height();
+
+    QPixmap tmp = new QPixmap( buffer );
+    buffer.resize( w, h );
+    buffer.fill( colorGroup().base() );
+    bitBlt( buffer, 0, 0, tmp, 0, 0, tmp.width(), tmp.height() );
+}
+
+protected void paintEvent( QPaintEvent e )
+{
+    super.paintEvent( e );
+    ArrayList rects = e.region().rects();
+    for ( int i = 0; i < rects.size(); i++ ) {
+	QRect r = (QRect) rects.get(i);
+	bitBlt( this, r.x(), r.y(), buffer, r.x(), r.y(), r.width(), r.height() );
+    }
+}
+
+}
+
+//------------------------------------------------------
+
+Scribble( )
+{
+	this(null, null);
+}
+
+Scribble( QWidget parent, String name )
+{
+    super( parent, name );
+    canvas = new Canvas( this );
+    setCentralWidget( canvas );
+
+    QToolBar tools = new QToolBar( this );
+
+    bSave = new QToolButton( new QIconSet(), "Save", "Save as PNG image", this, SLOT(" slotSave()"), tools );
+    bSave.setText( "Save as..." );
+
+    tools.addSeparator();
+
+    bPColor = new QToolButton( new QIconSet(), "Choose Pen Color", "Choose Pen Color", this, SLOT(" slotColor()"), tools );
+    bPColor.setText( "Choose Pen Color..." );
+
+    tools.addSeparator();
+
+    bPWidth = new QSpinBox( 1, 20, 1, tools );
+    QToolTip.add( bPWidth, "Choose Pen Width" );
+    connect( bPWidth, SIGNAL(" valueChanged( int )"), this, SLOT(" slotWidth( int )") );
+    bPWidth.setValue( 3 );
+
+    tools.addSeparator();
+
+    bClear = new QToolButton( new QIconSet(), "Clear Screen", "Clear Screen", this, SLOT(" slotClear()"), tools );
+    bClear.setText( "Clear Screen" );
+}
+
+void slotSave()
+{
+    QPopupMenu menu = new QPopupMenu( null );
+    HashMap formats = new HashMap();
+
+    for ( int i = 0; i < QImageIO.outputFormats().size(); i++ ) {
+	String str = (String) QImageIO.outputFormats().get( i );
+	formats.put( new Integer(menu.insertItem( str + "..." )),  str );
+    }
+
+    menu.setMouseTracking( true );
+    int id = menu.exec( bSave.mapToGlobal( new QPoint( 0, bSave.height() + 1 ) ) );
+
+    if ( id != -1 ) {
+	String format = (String) formats.get( new Integer(id) );
+
+	String filename = QFileDialog.getSaveFileName( "", "*." + format.toLowerCase(), this );
+	if ( !filename.equals("") )
+	    canvas.save( filename, format );
+    }
+
+}
+
+void slotColor()
+{
+    QColor c = QColorDialog.getColor( canvas.penColor(), this );
+    if ( c.isValid() )
+	canvas.setPenColor( c );
+}
+
+void slotWidth( int w )
+{
+    canvas.setPenWidth( w );
+}
+
+void slotClear()
+{
+    canvas.clearScreen();
+}
+}