Add Qt3 development HEAD version

42 files changed, 2908 insertions, 0 deletions

diff --git a/examples/chart/canvastext.h b/examples/chart/canvastext.h
new file mode 100644
index 0000000..599bd09
--- /dev/null
+++ b/examples/chart/canvastext.h
@@ -0,0 +1,31 @@
+#ifndef CANVASTEXT_H
+#define CANVASTEXT_H
+
+#include <qcanvas.h>
+
+class QFont;
+
+
+class CanvasText : public QCanvasText
+{
+public:
+    enum { CANVAS_TEXT = 1100 };
+
+    CanvasText( int index, QCanvas *canvas )
+	: QCanvasText( canvas ), m_index( index ) {}
+    CanvasText( int index, const QString& text, QCanvas *canvas )
+	: QCanvasText( text, canvas ), m_index( index ) {}
+    CanvasText( int index, const QString& text, QFont font, QCanvas *canvas )
+	: QCanvasText( text, font, canvas ), m_index( index ) {}
+
+    int index() const { return m_index; }
+    void setIndex( int index ) { m_index = index; }
+
+    int rtti() const { return CANVAS_TEXT; }
+
+private:
+    int m_index;
+};
+
+#endif
+
diff --git a/examples/chart/canvasview.cpp b/examples/chart/canvasview.cpp
new file mode 100644
index 0000000..42701f5
--- /dev/null
+++ b/examples/chart/canvasview.cpp
@@ -0,0 +1,55 @@
+#include "canvasview.h"
+#include "chartform.h"
+
+#include <qcursor.h>
+#include <qpoint.h>
+#include <qpopupmenu.h>
+#include <qstatusbar.h>
+
+
+void CanvasView::contentsContextMenuEvent( QContextMenuEvent * )
+{
+    ((ChartForm*)parent())->optionsMenu->exec( QCursor::pos() );
+}
+
+
+void CanvasView::viewportResizeEvent( QResizeEvent *e )
+{
+    canvas()->resize( e->size().width(), e->size().height() );
+    ((ChartForm*)parent())->drawElements();
+}
+
+
+void CanvasView::contentsMousePressEvent( QMouseEvent *e )
+{
+    QCanvasItemList list = canvas()->collisions( e->pos() );
+    for ( QCanvasItemList::iterator it = list.begin(); it != list.end(); ++it )
+	if ( (*it)->rtti() == CanvasText::CANVAS_TEXT ) {
+	    m_movingItem = *it;
+	    m_pos = e->pos();
+	    return;
+	}
+    m_movingItem = 0;
+}
+
+
+void CanvasView::contentsMouseMoveEvent( QMouseEvent *e )
+{
+    if ( m_movingItem ) {
+	QPoint offset = e->pos() - m_pos;
+	m_movingItem->moveBy( offset.x(), offset.y() );
+	m_pos = e->pos();
+	ChartForm *form = (ChartForm*)parent();
+	form->setChanged( TRUE );
+	int chartType = form->chartType();
+	CanvasText *item = (CanvasText*)m_movingItem;
+	int i = item->index();
+
+	(*m_elements)[i].setProX( chartType, item->x() / canvas()->width() );
+	(*m_elements)[i].setProY( chartType, item->y() / canvas()->height() );
+
+	canvas()->update();
+    }
+}
+
+
diff --git a/examples/chart/canvasview.h b/examples/chart/canvasview.h
new file mode 100644
index 0000000..8ec2ac2
--- /dev/null
+++ b/examples/chart/canvasview.h
@@ -0,0 +1,36 @@
+#ifndef CANVASVIEW_H
+#define CANVASVIEW_H
+
+#include "element.h"
+#include "canvastext.h"
+
+#include <qcanvas.h>
+
+
+class QPoint;
+
+
+class CanvasView : public QCanvasView
+{
+    Q_OBJECT
+public:
+    CanvasView( QCanvas *canvas, ElementVector *elements,
+		QWidget* parent = 0, const char* name = "canvas view",
+		WFlags f = 0 )
+	: QCanvasView( canvas, parent, name, f ), m_movingItem(0),
+	  m_elements( elements ) {}
+
+protected:
+    void viewportResizeEvent( QResizeEvent *e );
+    void contentsMousePressEvent( QMouseEvent *e );
+    void contentsMouseMoveEvent( QMouseEvent *e );
+    void contentsContextMenuEvent( QContextMenuEvent *e );
+
+private:
+    QCanvasItem *m_movingItem;
+    QPoint m_pos;
+    ElementVector *m_elements;
+};
+
+
+#endif
diff --git a/examples/chart/chart.doc b/examples/chart/chart.doc
new file mode 100644
index 0000000..c6c99f2
--- /dev/null
+++ b/examples/chart/chart.doc
@@ -0,0 +1,41 @@
+/*! 
+    \page canvas-chart-example.html
+
+    \ingroup step-by-step-examples
+
+    \title A Complete Canvas Application
+
+    This is a complete example program with a main window, menus and
+    toolbars. The main widget is a QCanvas, and this example
+    demonstrates basic canvas usage. 
+    \omit
+    This example is the subject of \link tutorial2.html Tutorial
+    #2\endlink.
+    \endomit
+
+    <hr>
+
+    Project file:
+
+    \include chart/chart.pro
+
+    <hr>
+
+    Header files:
+
+    \include chart/element.h
+    \include chart/chartform.h
+
+    <hr>
+
+    Implementation:
+
+    \include chart/chartform.cpp
+
+    <hr>
+
+    Main:
+
+    \include chart/main.cpp
+
+*/   
diff --git a/examples/chart/chart.pro b/examples/chart/chart.pro
new file mode 100644
index 0000000..8c791e9
--- /dev/null
+++ b/examples/chart/chart.pro
@@ -0,0 +1,20 @@
+TEMPLATE = app
+
+CONFIG  += warn_on
+
+REQUIRES = full-config
+
+HEADERS += element.h \
+	   canvastext.h \
+	   canvasview.h \
+	   chartform.h \
+	   optionsform.h \
+	   setdataform.h
+SOURCES += element.cpp \
+	   canvasview.cpp \
+	   chartform.cpp \
+	   chartform_canvas.cpp \
+	   chartform_files.cpp \
+	   optionsform.cpp \
+	   setdataform.cpp \
+	   main.cpp
diff --git a/examples/chart/chartform.cpp b/examples/chart/chartform.cpp
new file mode 100644
index 0000000..17c7390
--- /dev/null
+++ b/examples/chart/chartform.cpp
@@ -0,0 +1,531 @@
+#include "canvasview.h"
+#include "chartform.h"
+#include "optionsform.h"
+#include "setdataform.h"
+
+#include <qaction.h>
+#include <qapplication.h>
+#include <qcombobox.h>
+#include <qfile.h>
+#include <qfiledialog.h>
+#include <qfont.h>
+#include <qfontdialog.h>
+#include <qmenubar.h>
+#include <qmessagebox.h>
+#include <qpixmap.h>
+#include <qpopupmenu.h>
+#include <qprinter.h>
+#include <qradiobutton.h>
+#include <qsettings.h>
+#include <qspinbox.h>
+#include <qstatusbar.h>
+#include <qtoolbar.h>
+#include <qtoolbutton.h>
+
+#include "images/file_new.xpm"
+#include "images/file_open.xpm"
+#include "images/file_save.xpm"
+#include "images/file_print.xpm"
+#include "images/options_setdata.xpm"
+#include "images/options_setfont.xpm"
+#include "images/options_setoptions.xpm"
+#include "images/options_horizontalbarchart.xpm"
+#include "images/options_piechart.xpm"
+#include "images/options_verticalbarchart.xpm"
+
+
+const QString WINDOWS_REGISTRY = "/Trolltech/QtExamples";
+const QString APP_KEY = "/Chart/";
+
+
+ChartForm::ChartForm( const QString& filename )
+    : QMainWindow( 0, 0, WDestructiveClose )
+{
+    setIcon( QPixmap( options_piechart ) );
+
+    QAction *fileNewAction;
+    QAction *fileOpenAction;
+    QAction *fileSaveAction;
+    QAction *fileSaveAsAction;
+    QAction *fileSaveAsPixmapAction;
+    QAction *filePrintAction;
+    QAction *fileQuitAction;
+    QAction *optionsSetDataAction;
+    QAction *optionsSetFontAction;
+    QAction *optionsSetOptionsAction;
+
+    fileNewAction = new QAction(
+	    "New Chart", QPixmap( file_new ),
+	    "&New", CTRL+Key_N, this, "new" );
+    connect( fileNewAction, SIGNAL( activated() ), this, SLOT( fileNew() ) );
+
+    fileOpenAction = new QAction(
+	    "Open Chart", QPixmap( file_open ),
+	    "&Open...", CTRL+Key_O, this, "open" );
+    connect( fileOpenAction, SIGNAL( activated() ), this, SLOT( fileOpen() ) );
+
+    fileSaveAction = new QAction(
+	    "Save Chart", QPixmap( file_save ),
+	    "&Save", CTRL+Key_S, this, "save" );
+    connect( fileSaveAction, SIGNAL( activated() ), this, SLOT( fileSave() ) );
+
+    fileSaveAsAction = new QAction(
+	    "Save Chart As", QPixmap( file_save ),
+	    "Save &As...", 0, this, "save as" );
+    connect( fileSaveAsAction, SIGNAL( activated() ),
+	     this, SLOT( fileSaveAs() ) );
+
+    fileSaveAsPixmapAction = new QAction(
+	    "Save Chart As Bitmap", QPixmap( file_save ),
+	    "Save As &Bitmap...", CTRL+Key_B, this, "save as bitmap" );
+    connect( fileSaveAsPixmapAction, SIGNAL( activated() ),
+	     this, SLOT( fileSaveAsPixmap() ) );
+
+    filePrintAction = new QAction(
+	    "Print Chart", QPixmap( file_print ),
+	    "&Print Chart...", CTRL+Key_P, this, "print chart" );
+    connect( filePrintAction, SIGNAL( activated() ),
+	     this, SLOT( filePrint() ) );
+
+    optionsSetDataAction = new QAction(
+	    "Set Data", QPixmap( options_setdata ),
+	    "Set &Data...", CTRL+Key_D, this, "set data" );
+    connect( optionsSetDataAction, SIGNAL( activated() ),
+	     this, SLOT( optionsSetData() ) );
+
+
+    QActionGroup *chartGroup = new QActionGroup( this ); // Connected later
+    chartGroup->setExclusive( TRUE );
+
+    optionsPieChartAction = new QAction(
+	    "Pie Chart", QPixmap( options_piechart ),
+	    "&Pie Chart", CTRL+Key_I, chartGroup, "pie chart" );
+    optionsPieChartAction->setToggleAction( TRUE );
+
+    optionsHorizontalBarChartAction = new QAction(
+	    "Horizontal Bar Chart", QPixmap( options_horizontalbarchart ),
+	    "&Horizontal Bar Chart", CTRL+Key_H, chartGroup,
+	    "horizontal bar chart" );
+    optionsHorizontalBarChartAction->setToggleAction( TRUE );
+
+    optionsVerticalBarChartAction = new QAction(
+	    "Vertical Bar Chart", QPixmap( options_verticalbarchart ),
+	    "&Vertical Bar Chart", CTRL+Key_V, chartGroup, "Vertical bar chart" );
+    optionsVerticalBarChartAction->setToggleAction( TRUE );
+
+
+    optionsSetFontAction = new QAction(
+	    "Set Font", QPixmap( options_setfont ),
+	    "Set &Font...", CTRL+Key_F, this, "set font" );
+    connect( optionsSetFontAction, SIGNAL( activated() ),
+	     this, SLOT( optionsSetFont() ) );
+
+    optionsSetOptionsAction = new QAction(
+	    "Set Options", QPixmap( options_setoptions ),
+	    "Set &Options...", 0, this, "set options" );
+    connect( optionsSetOptionsAction, SIGNAL( activated() ),
+	     this, SLOT( optionsSetOptions() ) );
+
+    fileQuitAction = new QAction( "Quit", "&Quit", CTRL+Key_Q, this, "quit" );
+    connect( fileQuitAction, SIGNAL( activated() ), this, SLOT( fileQuit() ) );
+
+
+    QToolBar* fileTools = new QToolBar( this, "file operations" );
+    fileTools->setLabel( "File Operations" );
+    fileNewAction->addTo( fileTools );
+    fileOpenAction->addTo( fileTools );
+    fileSaveAction->addTo( fileTools );
+    fileTools->addSeparator();
+    filePrintAction->addTo( fileTools );
+
+    QToolBar *optionsTools = new QToolBar( this, "options operations" );
+    optionsTools->setLabel( "Options Operations" );
+    optionsSetDataAction->addTo( optionsTools );
+    optionsTools->addSeparator();
+    optionsPieChartAction->addTo( optionsTools );
+    optionsHorizontalBarChartAction->addTo( optionsTools );
+    optionsVerticalBarChartAction->addTo( optionsTools );
+    optionsTools->addSeparator();
+    optionsSetFontAction->addTo( optionsTools );
+    optionsTools->addSeparator();
+    optionsSetOptionsAction->addTo( optionsTools );
+
+    fileMenu = new QPopupMenu( this );
+    menuBar()->insertItem( "&File", fileMenu );
+    fileNewAction->addTo( fileMenu );
+    fileOpenAction->addTo( fileMenu );
+    fileSaveAction->addTo( fileMenu );
+    fileSaveAsAction->addTo( fileMenu );
+    fileMenu->insertSeparator();
+    fileSaveAsPixmapAction->addTo( fileMenu );
+    fileMenu->insertSeparator();
+    filePrintAction->addTo( fileMenu );
+    fileMenu->insertSeparator();
+    fileQuitAction->addTo( fileMenu );
+
+    optionsMenu = new QPopupMenu( this );
+    menuBar()->insertItem( "&Options", optionsMenu );
+    optionsSetDataAction->addTo( optionsMenu );
+    optionsMenu->insertSeparator();
+    optionsPieChartAction->addTo( optionsMenu );
+    optionsHorizontalBarChartAction->addTo( optionsMenu );
+    optionsVerticalBarChartAction->addTo( optionsMenu );
+    optionsMenu->insertSeparator();
+    optionsSetFontAction->addTo( optionsMenu );
+    optionsMenu->insertSeparator();
+    optionsSetOptionsAction->addTo( optionsMenu );
+
+    menuBar()->insertSeparator();
+
+    QPopupMenu *helpMenu = new QPopupMenu( this );
+    menuBar()->insertItem( "&Help", helpMenu );
+    helpMenu->insertItem( "&Help", this, SLOT(helpHelp()), Key_F1 );
+    helpMenu->insertItem( "&About", this, SLOT(helpAbout()) );
+    helpMenu->insertItem( "About &Qt", this, SLOT(helpAboutQt()) );
+
+
+    m_printer = 0;
+    m_elements.resize( MAX_ELEMENTS );
+
+    QSettings settings;
+    settings.insertSearchPath( QSettings::Windows, WINDOWS_REGISTRY );
+    int windowWidth = settings.readNumEntry( APP_KEY + "WindowWidth", 460 );
+    int windowHeight = settings.readNumEntry( APP_KEY + "WindowHeight", 530 );
+    int windowX = settings.readNumEntry( APP_KEY + "WindowX", -1 );
+    int windowY = settings.readNumEntry( APP_KEY + "WindowY", -1 );
+    setChartType( ChartType(
+	    settings.readNumEntry( APP_KEY + "ChartType", int(PIE) ) ) );
+    m_addValues = AddValuesType(
+		    settings.readNumEntry( APP_KEY + "AddValues", int(NO) ));
+    m_decimalPlaces = settings.readNumEntry( APP_KEY + "Decimals", 2 );
+    m_font = QFont( "Helvetica", 18, QFont::Bold );
+    m_font.fromString(
+	    settings.readEntry( APP_KEY + "Font", m_font.toString() ) );
+    for ( int i = 0; i < MAX_RECENTFILES; ++i ) {
+	QString filename = settings.readEntry( APP_KEY + "File" +
+					       QString::number( i + 1 ) );
+	if ( !filename.isEmpty() )
+	    m_recentFiles.push_back( filename );
+    }
+    if ( m_recentFiles.count() )
+	updateRecentFilesMenu();
+
+
+    // Connect *after* we've set the chart type on so we don't call
+    // drawElements() prematurely.
+    connect( chartGroup, SIGNAL( selected(QAction*) ),
+	     this, SLOT( updateChartType(QAction*) ) );
+
+    resize( windowWidth, windowHeight );
+    if ( windowX != -1 || windowY != -1 )
+	move( windowX, windowY );
+
+    m_canvas = new QCanvas( this );
+    m_canvas->resize( width(), height() );
+    m_canvasView = new CanvasView( m_canvas, &m_elements, this );
+    setCentralWidget( m_canvasView );
+    m_canvasView->show();
+
+    if ( !filename.isEmpty() )
+	load( filename );
+    else {
+	init();
+	m_elements[0].set( 20, red,    14, "Red" );
+	m_elements[1].set( 70, cyan,    2, "Cyan",   darkGreen );
+	m_elements[2].set( 35, blue,   11, "Blue" );
+	m_elements[3].set( 55, yellow,  1, "Yellow", darkBlue );
+	m_elements[4].set( 80, magenta, 1, "Magenta" );
+	drawElements();
+    }
+
+    statusBar()->message( "Ready", 2000 );
+}
+
+
+ChartForm::~ChartForm()
+{
+    delete m_printer;
+}
+
+
+void ChartForm::init()
+{
+    setCaption( "Chart" );
+    m_filename = QString::null;
+    m_changed = FALSE;
+
+    m_elements[0]  = Element( Element::INVALID, red );
+    m_elements[1]  = Element( Element::INVALID, cyan );
+    m_elements[2]  = Element( Element::INVALID, blue );
+    m_elements[3]  = Element( Element::INVALID, yellow );
+    m_elements[4]  = Element( Element::INVALID, green );
+    m_elements[5]  = Element( Element::INVALID, magenta );
+    m_elements[6]  = Element( Element::INVALID, darkYellow );
+    m_elements[7]  = Element( Element::INVALID, darkRed );
+    m_elements[8]  = Element( Element::INVALID, darkCyan );
+    m_elements[9]  = Element( Element::INVALID, darkGreen );
+    m_elements[10] = Element( Element::INVALID, darkMagenta );
+    m_elements[11] = Element( Element::INVALID, darkBlue );
+    for ( int i = 12; i < MAX_ELEMENTS; ++i ) {
+	double x = (double(i) / MAX_ELEMENTS) * 360;
+	int y = (int(x * 256) % 105) + 151;
+	int z = ((i * 17) % 105) + 151;
+	m_elements[i] = Element( Element::INVALID, QColor( int(x), y, z, QColor::Hsv ) );
+    }
+}
+
+void ChartForm::closeEvent( QCloseEvent * )
+{
+    fileQuit();
+}
+
+
+void ChartForm::fileNew()
+{
+    if ( okToClear() ) {
+	init();
+	drawElements();
+    }
+}
+
+
+void ChartForm::fileOpen()
+{
+    if ( !okToClear() )
+	return;
+
+    QString filename = QFileDialog::getOpenFileName(
+			    QString::null, "Charts (*.cht)", this,
+			    "file open", "Chart -- File Open" );
+    if ( !filename.isEmpty() )
+	load( filename );
+    else
+	statusBar()->message( "File Open abandoned", 2000 );
+}
+
+
+void ChartForm::fileSaveAs()
+{
+    QString filename = QFileDialog::getSaveFileName(
+			    QString::null, "Charts (*.cht)", this,
+			    "file save as", "Chart -- File Save As" );
+    if ( !filename.isEmpty() ) {
+	int answer = 0;
+	if ( QFile::exists( filename ) )
+	    answer = QMessageBox::warning(
+			    this, "Chart -- Overwrite File",
+			    QString( "Overwrite\n\'%1\'?" ).
+				arg( filename ),
+			    "&Yes", "&No", QString::null, 1, 1 );
+	if ( answer == 0 ) {
+	    m_filename = filename;
+	    updateRecentFiles( filename );
+	    fileSave();
+	    return;
+	}
+    }
+    statusBar()->message( "Saving abandoned", 2000 );
+}
+
+
+void ChartForm::fileOpenRecent( int index )
+{
+    if ( !okToClear() )
+	return;
+
+    load( m_recentFiles[index] );
+}
+
+
+void ChartForm::updateRecentFiles( const QString& filename )
+{
+    if ( m_recentFiles.find( filename ) != m_recentFiles.end() )
+	return;
+
+    m_recentFiles.push_back( filename );
+    if ( m_recentFiles.count() > MAX_RECENTFILES )
+	m_recentFiles.pop_front();
+
+    updateRecentFilesMenu();
+}
+
+
+void ChartForm::updateRecentFilesMenu()
+{
+    for ( int i = 0; i < MAX_RECENTFILES; ++i ) {
+	if ( fileMenu->findItem( i ) )
+	    fileMenu->removeItem( i );
+	if ( i < int(m_recentFiles.count()) )
+	    fileMenu->insertItem( QString( "&%1 %2" ).
+				    arg( i + 1 ).arg( m_recentFiles[i] ),
+				  this, SLOT( fileOpenRecent(int) ),
+				  0, i );
+    }
+}
+
+
+void ChartForm::fileQuit()
+{
+    if ( okToClear() ) {
+	saveOptions();
+        qApp->exit( 0 );
+    }
+}
+
+
+bool ChartForm::okToClear()
+{
+    if ( m_changed ) {
+	QString msg;
+	if ( m_filename.isEmpty() )
+	    msg = "Unnamed chart ";
+	else
+	    msg = QString( "Chart '%1'\n" ).arg( m_filename );
+	msg += "has been changed.";
+
+	int x = QMessageBox::information( this, "Chart -- Unsaved Changes",
+					  msg, "&Save", "Cancel", "&Abandon",
+					  0, 1 );
+	switch( x ) {
+	    case 0: // Save
+		fileSave();
+		break;
+	    case 1: // Cancel
+	    default:
+		return FALSE;
+	    case 2: // Abandon
+		break;
+	}
+    }
+
+    return TRUE;
+}
+
+
+void ChartForm::saveOptions()
+{
+    QSettings settings;
+    settings.insertSearchPath( QSettings::Windows, WINDOWS_REGISTRY );
+    settings.writeEntry( APP_KEY + "WindowWidth", width() );
+    settings.writeEntry( APP_KEY + "WindowHeight", height() );
+    settings.writeEntry( APP_KEY + "WindowX", x() );
+    settings.writeEntry( APP_KEY + "WindowY", y() );
+    settings.writeEntry( APP_KEY + "ChartType", int(m_chartType) );
+    settings.writeEntry( APP_KEY + "AddValues", int(m_addValues) );
+    settings.writeEntry( APP_KEY + "Decimals", m_decimalPlaces );
+    settings.writeEntry( APP_KEY + "Font", m_font.toString() );
+    for ( int i = 0; i < int(m_recentFiles.count()); ++i )
+	settings.writeEntry( APP_KEY + "File" + QString::number( i + 1 ),
+			     m_recentFiles[i] );
+}
+
+
+void ChartForm::optionsSetData()
+{
+    SetDataForm *setDataForm = new SetDataForm( &m_elements, m_decimalPlaces, this );
+    if ( setDataForm->exec() ) {
+	m_changed = TRUE;
+	drawElements();
+    }
+    delete setDataForm;
+}
+
+
+void ChartForm::setChartType( ChartType chartType )
+{
+    m_chartType = chartType;
+    switch ( m_chartType ) {
+	case PIE:
+	    optionsPieChartAction->setOn( TRUE );
+	    break;
+	case VERTICAL_BAR:
+	    optionsVerticalBarChartAction->setOn( TRUE );
+	    break;
+	case HORIZONTAL_BAR:
+	    optionsHorizontalBarChartAction->setOn( TRUE );
+	    break;
+    }
+}
+
+
+void ChartForm::updateChartType( QAction *action )
+{
+    if ( action == optionsPieChartAction ) {
+	m_chartType = PIE;
+    }
+    else if ( action == optionsHorizontalBarChartAction ) {
+	m_chartType = HORIZONTAL_BAR;
+    }
+    else if ( action == optionsVerticalBarChartAction ) {
+	m_chartType = VERTICAL_BAR;
+    }
+
+    drawElements();
+}
+
+
+void ChartForm::optionsSetFont()
+{
+    bool ok;
+    QFont font = QFontDialog::getFont( &ok, m_font, this );
+    if ( ok ) {
+	m_font = font;
+	drawElements();
+    }
+}
+
+
+void ChartForm::optionsSetOptions()
+{
+    OptionsForm *optionsForm = new OptionsForm( this );
+    optionsForm->chartTypeComboBox->setCurrentItem( m_chartType );
+    optionsForm->setFont( m_font );
+    switch ( m_addValues ) {
+	case NO:
+	    optionsForm->noRadioButton->setChecked( TRUE );
+	    break;
+	case YES:
+	    optionsForm->yesRadioButton->setChecked( TRUE );
+	    break;
+	case AS_PERCENTAGE:
+	    optionsForm->asPercentageRadioButton->setChecked( TRUE );
+	    break;
+    }
+    optionsForm->decimalPlacesSpinBox->setValue( m_decimalPlaces );
+    if ( optionsForm->exec() ) {
+	setChartType( ChartType(
+		optionsForm->chartTypeComboBox->currentItem()) );
+	m_font = optionsForm->font();
+	if ( optionsForm->noRadioButton->isChecked() )
+	    m_addValues = NO;
+	else if ( optionsForm->yesRadioButton->isChecked() )
+	    m_addValues = YES;
+	else if ( optionsForm->asPercentageRadioButton->isChecked() )
+	    m_addValues = AS_PERCENTAGE;
+	m_decimalPlaces = optionsForm->decimalPlacesSpinBox->value();
+	drawElements();
+    }
+    delete optionsForm;
+}
+
+
+void ChartForm::helpHelp()
+{
+    statusBar()->message( "Help is not implemented yet", 2000 );
+}
+
+
+void ChartForm::helpAbout()
+{
+    QMessageBox::about( this, "Chart -- About",
+			"<center><h1><font color=blue>Chart<font></h1></center>"
+			"<p>Chart your data with <i>chart</i>.</p>"
+			);
+}
+
+
+void ChartForm::helpAboutQt()
+{
+    QMessageBox::aboutQt( this, "Chart -- About Qt" );
+}
+
diff --git a/examples/chart/chartform.h b/examples/chart/chartform.h
new file mode 100644
index 0000000..c265657
--- /dev/null
+++ b/examples/chart/chartform.h
@@ -0,0 +1,90 @@
+#ifndef CHARTFORM_H
+#define CHARTFORM_H
+
+#include "element.h"
+
+#include <qmainwindow.h>
+#include <qstringlist.h>
+
+
+class CanvasView;
+
+class QAction;
+class QCanvas;
+class QFont;
+class QPrinter;
+class QString;
+
+
+class ChartForm: public QMainWindow
+{
+    Q_OBJECT
+public:
+    enum { MAX_ELEMENTS = 100 };
+    enum { MAX_RECENTFILES = 9 }; // Must not exceed 9
+    enum ChartType { PIE, VERTICAL_BAR, HORIZONTAL_BAR };
+    enum AddValuesType { NO, YES, AS_PERCENTAGE };
+
+    ChartForm( const QString& filename );
+    ~ChartForm();
+
+    int chartType() { return m_chartType; }
+    void setChanged( bool changed = TRUE ) { m_changed = changed; }
+    void drawElements();
+
+    QPopupMenu *optionsMenu; // Why public? See canvasview.cpp
+
+protected:
+    virtual void closeEvent( QCloseEvent * );
+
+private slots:
+    void fileNew();
+    void fileOpen();
+    void fileOpenRecent( int index );
+    void fileSave();
+    void fileSaveAs();
+    void fileSaveAsPixmap();
+    void filePrint();
+    void fileQuit();
+    void optionsSetData();
+    void updateChartType( QAction *action );
+    void optionsSetFont();
+    void optionsSetOptions();
+    void helpHelp();
+    void helpAbout();
+    void helpAboutQt();
+    void saveOptions();
+
+private:
+    void init();
+    void load( const QString& filename );
+    bool okToClear();
+    void drawPieChart( const double scales[], double total, int count );
+    void drawVerticalBarChart( const double scales[], double total, int count );
+    void drawHorizontalBarChart( const double scales[], double total, int count );
+
+    QString valueLabel( const QString& label, double value, double total );
+    void updateRecentFiles( const QString& filename );
+    void updateRecentFilesMenu();
+    void setChartType( ChartType chartType );
+
+    QPopupMenu *fileMenu;
+    QAction *optionsPieChartAction;
+    QAction *optionsHorizontalBarChartAction;
+    QAction *optionsVerticalBarChartAction;
+
+
+    QString m_filename;
+    QStringList m_recentFiles;
+    QCanvas *m_canvas;
+    CanvasView *m_canvasView;
+    bool m_changed;
+    ElementVector m_elements;
+    QPrinter *m_printer;
+    ChartType m_chartType;
+    AddValuesType m_addValues;
+    int m_decimalPlaces;
+    QFont m_font;
+};
+
+#endif
diff --git a/examples/chart/chartform_canvas.cpp b/examples/chart/chartform_canvas.cpp
new file mode 100644
index 0000000..92a3aeb
--- /dev/null
+++ b/examples/chart/chartform_canvas.cpp
@@ -0,0 +1,226 @@
+#include "canvastext.h"
+#include "chartform.h"
+
+#include <qbrush.h>
+#include <qcanvas.h>
+
+#include <math.h> // sin, cos
+
+#ifndef M_PI
+#define M_PI 3.1415
+#endif
+
+void ChartForm::drawElements()
+{
+    QCanvasItemList list = m_canvas->allItems();
+    for ( QCanvasItemList::iterator it = list.begin(); it != list.end(); ++it )
+	delete *it;
+
+	// 360 * 16 for pies; Qt works with 16ths of degrees
+    int scaleFactor = m_chartType == PIE ? 5760 :
+			m_chartType == VERTICAL_BAR ? m_canvas->height() :
+			    m_canvas->width();
+    double biggest = 0.0;
+    int count = 0;
+    double total = 0.0;
+    static double scales[MAX_ELEMENTS];
+
+    for ( int i = 0; i < MAX_ELEMENTS; ++i ) {
+	if ( m_elements[i].isValid() ) {
+	    double value = m_elements[i].value();
+	    count++;
+	    total += value;
+	    if ( value > biggest )
+		biggest = value;
+	    scales[i] = m_elements[i].value() * scaleFactor;
+	}
+    }
+
+    if ( count ) {
+	    // 2nd loop because of total and biggest
+	for ( int i = 0; i < MAX_ELEMENTS; ++i )
+	    if ( m_elements[i].isValid() )
+		if ( m_chartType == PIE )
+		    scales[i] = (m_elements[i].value() * scaleFactor) / total;
+		else
+		    scales[i] = (m_elements[i].value() * scaleFactor) / biggest;
+
+	switch ( m_chartType ) {
+	    case PIE:
+		drawPieChart( scales, total, count );
+		break;
+	    case VERTICAL_BAR:
+		drawVerticalBarChart( scales, total, count );
+		break;
+	    case HORIZONTAL_BAR:
+		drawHorizontalBarChart( scales, total, count );
+		break;
+	}
+    }
+
+    m_canvas->update();
+}
+
+
+void ChartForm::drawPieChart( const double scales[], double total, int )
+{
+    double width = m_canvas->width();
+    double height = m_canvas->height();
+    int size = int(width > height ? height : width);
+    int x = int(width / 2);
+    int y = int(height / 2);
+    int angle = 0;
+
+    for ( int i = 0; i < MAX_ELEMENTS; ++i ) {
+	if ( m_elements[i].isValid() ) {
+	    int extent = int(scales[i]);
+	    QCanvasEllipse *arc = new QCanvasEllipse(
+					    size, size, angle, extent, m_canvas );
+	    arc->setX( x );
+	    arc->setY( y );
+	    arc->setZ( 0 );
+	    arc->setBrush( QBrush( m_elements[i].valueColor(),
+				   BrushStyle(m_elements[i].valuePattern()) ) );
+	    arc->show();
+	    angle += extent;
+	    QString label = m_elements[i].label();
+	    if ( !label.isEmpty() || m_addValues != NO ) {
+		label = valueLabel( label, m_elements[i].value(), total );
+		CanvasText *text = new CanvasText( i, label, m_font, m_canvas );
+		double proX = m_elements[i].proX( PIE );
+		double proY = m_elements[i].proY( PIE );
+		if ( proX < 0 || proY < 0 ) {
+		    // Find the centre of the pie segment
+		    QRect rect = arc->boundingRect();
+		    proX = ( rect.width() / 2 ) + rect.x();
+		    proY = ( rect.height() / 2 ) + rect.y();
+		    // Centre text over the centre of the pie segment
+		    rect = text->boundingRect();
+		    proX -= ( rect.width() / 2 );
+		    proY -= ( rect.height() / 2 );
+		    // Make proportional
+		    proX /= width;
+		    proY /= height;
+		}
+		text->setColor( m_elements[i].labelColor() );
+		text->setX( proX * width );
+		text->setY( proY * height );
+		text->setZ( 1 );
+		text->show();
+		m_elements[i].setProX( PIE, proX );
+		m_elements[i].setProY( PIE, proY );
+	    }
+	}
+    }
+}
+
+
+void ChartForm::drawVerticalBarChart(
+	const double scales[], double total, int count )
+{
+    double width = m_canvas->width();
+    double height = m_canvas->height();
+    int prowidth = int(width / count);
+    int x = 0;
+    QPen pen;
+    pen.setStyle( NoPen );
+
+    for ( int i = 0; i < MAX_ELEMENTS; ++i ) {
+	if ( m_elements[i].isValid() ) {
+	    int extent = int(scales[i]);
+	    int y = int(height - extent);
+	    QCanvasRectangle *rect = new QCanvasRectangle(
+					    x, y, prowidth, extent, m_canvas );
+	    rect->setBrush( QBrush( m_elements[i].valueColor(),
+				    BrushStyle(m_elements[i].valuePattern()) ) );
+	    rect->setPen( pen );
+	    rect->setZ( 0 );
+	    rect->show();
+	    QString label = m_elements[i].label();
+	    if ( !label.isEmpty() || m_addValues != NO ) {
+		double proX = m_elements[i].proX( VERTICAL_BAR );
+		double proY = m_elements[i].proY( VERTICAL_BAR );
+		if ( proX < 0 || proY < 0 ) {
+		    proX = x / width;
+		    proY = y / height;
+		}
+		label = valueLabel( label, m_elements[i].value(), total );
+		CanvasText *text = new CanvasText( i, label, m_font, m_canvas );
+		text->setColor( m_elements[i].labelColor() );
+		text->setX( proX * width );
+		text->setY( proY * height );
+		text->setZ( 1 );
+		text->show();
+		m_elements[i].setProX( VERTICAL_BAR, proX );
+		m_elements[i].setProY( VERTICAL_BAR, proY );
+	    }
+	    x += prowidth;
+	}
+    }
+}
+
+
+void ChartForm::drawHorizontalBarChart(
+	const double scales[], double total, int count )
+{
+    double width = m_canvas->width();
+    double height = m_canvas->height();
+    int proheight = int(height / count);
+    int y = 0;
+    QPen pen;
+    pen.setStyle( NoPen );
+
+    for ( int i = 0; i < MAX_ELEMENTS; ++i ) {
+	if ( m_elements[i].isValid() ) {
+	    int extent = int(scales[i]);
+	    QCanvasRectangle *rect = new QCanvasRectangle(
+					    0, y, extent, proheight, m_canvas );
+	    rect->setBrush( QBrush( m_elements[i].valueColor(),
+				    BrushStyle(m_elements[i].valuePattern()) ) );
+	    rect->setPen( pen );
+	    rect->setZ( 0 );
+	    rect->show();
+	    QString label = m_elements[i].label();
+	    if ( !label.isEmpty() || m_addValues != NO ) {
+		double proX = m_elements[i].proX( HORIZONTAL_BAR );
+		double proY = m_elements[i].proY( HORIZONTAL_BAR );
+		if ( proX < 0 || proY < 0 ) {
+		    proX = 0;
+		    proY = y / height;
+		}
+		label = valueLabel( label, m_elements[i].value(), total );
+		CanvasText *text = new CanvasText( i, label, m_font, m_canvas );
+		text->setColor( m_elements[i].labelColor() );
+		text->setX( proX * width );
+		text->setY( proY * height );
+		text->setZ( 1 );
+		text->show();
+		m_elements[i].setProX( HORIZONTAL_BAR, proX );
+		m_elements[i].setProY( HORIZONTAL_BAR, proY );
+	    }
+	    y += proheight;
+	}
+    }
+}
+
+
+QString ChartForm::valueLabel(
+	    const QString& label, double value, double total )
+{
+    if ( m_addValues == NO )
+	return label;
+
+    QString newLabel = label;
+    if ( !label.isEmpty() )
+	if ( m_chartType == VERTICAL_BAR )
+	    newLabel += '\n';
+	else
+	    newLabel += ' ';
+    if ( m_addValues == YES )
+	newLabel += QString::number( value, 'f', m_decimalPlaces );
+    else if ( m_addValues == AS_PERCENTAGE )
+	newLabel += QString::number( (value / total) * 100, 'f', m_decimalPlaces )
+		    + '%';
+    return newLabel;
+}
+
diff --git a/examples/chart/chartform_files.cpp b/examples/chart/chartform_files.cpp
new file mode 100644
index 0000000..55eefbf
--- /dev/null
+++ b/examples/chart/chartform_files.cpp
@@ -0,0 +1,113 @@
+#include "canvasview.h"
+#include "chartform.h"
+
+#include <qfile.h>
+#include <qfiledialog.h>
+#include <qpainter.h>
+#include <qprinter.h>
+#include <qstatusbar.h>
+
+
+void ChartForm::load( const QString& filename )
+{
+    QFile file( filename );
+    if ( !file.open( IO_ReadOnly ) ) {
+	statusBar()->message( QString( "Failed to load \'%1\'" ).
+				arg( filename ), 2000 );
+	return;
+    }
+
+    init(); // Make sure we have colours
+    m_filename = filename;
+    QTextStream ts( &file );
+    Element element;
+    int errors = 0;
+    int i = 0;
+    while ( !ts.eof() ) {
+	ts >> element;
+	if ( element.isValid() )
+	    m_elements[i++] = element;
+	else
+	    errors++;
+	if ( i == MAX_ELEMENTS ) {
+	    statusBar()->message(
+		QString( "Read maximum number of elements (%1)"
+		         " discarding others" ).arg( i ), 2000 );
+	    break;
+	}
+    }
+
+    file.close();
+
+    QString bad = "";
+    if ( errors ) {
+	bad = QString( "; skipped " ) + QString::number( errors ) + " bad record";
+	if ( errors > 1 )
+	    bad += "s";
+    }
+    statusBar()->message( QString( "Read %1 values from \'%2\'%3" ).
+			  arg( i ).arg( filename ).arg( bad ), 3000 );
+
+    setCaption( QString( "Chart -- %1" ).arg( filename ) );
+    updateRecentFiles( filename );
+
+    drawElements();
+    m_changed = FALSE;
+}
+
+
+void ChartForm::fileSave()
+{
+    if ( m_filename.isEmpty() ) {
+	fileSaveAs();
+	return;
+    }
+
+    QFile file( m_filename );
+    if ( !file.open( IO_WriteOnly ) ) {
+	statusBar()->message( QString( "Failed to save \'%1\'" ).
+				arg( m_filename ), 2000 );
+	return;
+    }
+    QTextStream ts( &file );
+    for ( int i = 0; i < MAX_ELEMENTS; ++i )
+	if ( m_elements[i].isValid() )
+	    ts << m_elements[i];
+
+    file.close();
+
+    setCaption( QString( "Chart -- %1" ).arg( m_filename ) );
+    statusBar()->message( QString( "Saved \'%1\'" ).arg( m_filename ), 2000 );
+    m_changed = FALSE;
+}
+
+
+void ChartForm::fileSaveAsPixmap()
+{
+    QString filename = QFileDialog::getSaveFileName(
+			    QString::null, "Images (*.png *.xpm *.jpg)",
+			    this, "file save as bitmap",
+			    "Chart -- File Save As Bitmap" );
+    if ( QPixmap::grabWidget( m_canvasView ).
+	    save( filename,
+		  filename.mid( filename.findRev( '.' ) + 1 ).upper() ) )
+	statusBar()->message( QString( "Wrote \'%1\'" ).arg( filename ), 2000 );
+    else
+	statusBar()->message( QString( "Failed to write \'%1\'" ).
+				arg( filename ), 2000 );
+}
+
+void ChartForm::filePrint()
+{
+    if ( !m_printer )
+	m_printer = new QPrinter;
+    if ( m_printer->setup() ) {
+	QPainter painter( m_printer );
+	m_canvas->drawArea( QRect( 0, 0, m_canvas->width(), m_canvas->height() ),
+			    &painter, FALSE );
+	if ( !m_printer->outputFileName().isEmpty() )
+	    statusBar()->message( QString( "Printed \'%1\'" ).
+				  arg( m_printer->outputFileName() ), 2000 );
+    }
+}
+
diff --git a/examples/chart/element.cpp b/examples/chart/element.cpp
new file mode 100644
index 0000000..c29b238
--- /dev/null
+++ b/examples/chart/element.cpp
@@ -0,0 +1,127 @@
+#include "element.h"
+
+#include <qstringlist.h>
+#include <qtextstream.h>
+
+const char FIELD_SEP = ':';
+const char PROPOINT_SEP = ';';
+const char XY_SEP = ',';
+
+
+void Element::init( double value, QColor valueColor, int valuePattern,
+		    const QString& label, QColor labelColor )
+{
+    m_value = value;
+    m_valueColor = valueColor;
+    if ( valuePattern < Qt::SolidPattern || valuePattern > Qt::DiagCrossPattern )
+	valuePattern = Qt::SolidPattern;
+    m_valuePattern = valuePattern;
+    m_label = label;
+    m_labelColor = labelColor;
+}
+
+
+void Element::setValuePattern( int valuePattern )
+{
+    if ( valuePattern < Qt::SolidPattern || valuePattern > Qt::DiagCrossPattern )
+	valuePattern = Qt::SolidPattern;
+    m_valuePattern = valuePattern;
+}
+
+
+double Element::proX( int index ) const
+{
+    Q_ASSERT(index >= 0 && index < MAX_PROPOINTS);
+    return m_propoints[2 * index];
+}
+
+
+double Element::proY( int index ) const
+{
+    Q_ASSERT(index >= 0 && index < MAX_PROPOINTS);
+    return m_propoints[(2 * index) + 1];
+}
+
+
+void Element::setProX( int index, double value )
+{
+    Q_ASSERT(index >= 0 && index < MAX_PROPOINTS);
+    m_propoints[2 * index] = value;
+}
+
+
+void Element::setProY( int index, double value )
+{
+    Q_ASSERT(index >= 0 && index < MAX_PROPOINTS);
+    m_propoints[(2 * index) + 1] = value;
+}
+
+
+QTextStream &operator<<( QTextStream &s, const Element &element )
+{
+    s << element.value() << FIELD_SEP
+      << element.valueColor().name() << FIELD_SEP
+      << element.valuePattern() << FIELD_SEP
+      << element.labelColor().name() << FIELD_SEP;
+
+    for ( int i = 0; i < Element::MAX_PROPOINTS; ++i ) {
+	s << element.proX( i ) << XY_SEP << element.proY( i );
+	s << ( i == Element::MAX_PROPOINTS - 1 ? FIELD_SEP : PROPOINT_SEP );
+    }
+
+    s << element.label() << '\n';
+
+    return s;
+}
+
+
+QTextStream &operator>>( QTextStream &s, Element &element )
+{
+    QString data = s.readLine();
+    element.setValue( Element::INVALID );
+
+    int errors = 0;
+    bool ok;
+
+    QStringList fields = QStringList::split( FIELD_SEP, data );
+    if ( fields.count() >= 4 ) {
+	double value = fields[0].toDouble( &ok );
+	if ( !ok )
+	    errors++;
+	QColor valueColor = QColor( fields[1] );
+	if ( !valueColor.isValid() )
+	    errors++;
+	int valuePattern = fields[2].toInt( &ok );
+	if ( !ok )
+	    errors++;
+	QColor labelColor = QColor( fields[3] );
+	if ( !labelColor.isValid() )
+	    errors++;
+	QStringList propoints = QStringList::split( PROPOINT_SEP, fields[4] );
+	QString label = data.section( FIELD_SEP, 5 );
+
+	if ( !errors ) {
+	    element.set( value, valueColor, valuePattern, label, labelColor );
+	    int i = 0;
+	    for ( QStringList::iterator point = propoints.begin();
+		i < Element::MAX_PROPOINTS && point != propoints.end();
+		++i, ++point ) {
+		errors = 0;
+		QStringList xy = QStringList::split( XY_SEP, *point );
+		double x = xy[0].toDouble( &ok );
+		if ( !ok || x <= 0.0 || x >= 1.0 )
+		    errors++;
+		double y = xy[1].toDouble( &ok );
+		if ( !ok || y <= 0.0 || y >= 1.0 )
+		    errors++;
+		if ( errors )
+		    x = y = Element::NO_PROPORTION;
+		element.setProX( i, x );
+		element.setProY( i, y );
+	    }
+	}
+    }
+
+    return s;
+}
+
diff --git a/examples/chart/element.h b/examples/chart/element.h
new file mode 100644
index 0000000..f6b2b5b
--- /dev/null
+++ b/examples/chart/element.h
@@ -0,0 +1,84 @@
+#ifndef ELEMENT_H
+#define ELEMENT_H
+
+#include <qcolor.h>
+#include <qnamespace.h>
+#include <qstring.h>
+#include <qvaluevector.h>
+
+class Element;
+
+typedef QValueVector<Element> ElementVector;
+
+/*
+    Elements are valid if they have a value which is > EPSILON.
+*/
+const double EPSILON = 0.0000001; // Must be > INVALID.
+
+
+class Element
+{
+public:
+    enum { INVALID = -1 };
+    enum { NO_PROPORTION = -1 };
+    enum { MAX_PROPOINTS = 3 }; // One proportional point per chart type
+
+    Element( double value = INVALID, QColor valueColor = Qt::gray,
+	     int valuePattern = Qt::SolidPattern,
+	     const QString& label = QString::null,
+	     QColor labelColor = Qt::black ) {
+	init( value, valueColor, valuePattern, label, labelColor );
+	for ( int i = 0; i < MAX_PROPOINTS * 2; ++i )
+	    m_propoints[i] = NO_PROPORTION;
+    }
+    ~Element() {}
+
+    bool isValid() const { return m_value > EPSILON; }
+
+    double value() const { return m_value; }
+    QColor valueColor() const { return m_valueColor; }
+    int valuePattern() const { return m_valuePattern; }
+    QString label() const { return m_label; }
+    QColor labelColor() const { return m_labelColor; }
+    double proX( int index ) const;
+    double proY( int index ) const;
+
+    void set( double value = INVALID, QColor valueColor = Qt::gray,
+	      int valuePattern = Qt::SolidPattern,
+	      const QString& label = QString::null,
+	      QColor labelColor = Qt::black ) {
+	init( value, valueColor, valuePattern, label, labelColor );
+    }
+    void setValue( double value ) { m_value = value; }
+    void setValueColor( QColor valueColor ) { m_valueColor = valueColor; }
+    void setValuePattern( int valuePattern );
+    void setLabel( const QString& label ) { m_label = label; }
+    void setLabelColor( QColor labelColor ) { m_labelColor = labelColor; }
+    void setProX( int index, double value );
+    void setProY( int index, double value );
+
+#ifdef Q_FULL_TEMPLATE_INSTANTIATION
+    // xlC 3.x workaround
+    Q_DUMMY_COMPARISON_OPERATOR(Element)
+    bool operator!=( const Element& e) const {
+	return ( !(e == *this) );
+    }
+#endif
+
+private:
+    void init( double value, QColor valueColor, int valuePattern,
+	       const QString& label, QColor labelColor );
+
+    double m_value;
+    QColor m_valueColor;
+    int m_valuePattern;
+    QString m_label;
+    QColor m_labelColor;
+    double m_propoints[2 * MAX_PROPOINTS];
+};
+
+
+QTextStream &operator<<( QTextStream&, const Element& );
+QTextStream &operator>>( QTextStream&, Element& );
+
+#endif
diff --git a/examples/chart/images/chart-forms.sk b/examples/chart/images/chart-forms.sk
new file mode 100644
index 0000000..d9087b4
--- /dev/null
+++ b/examples/chart/images/chart-forms.sk
@@ -0,0 +1,256 @@
+##Sketch 1 2
+document()
+layout('A4',0)
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diff --git a/examples/chart/images/file_new.xpm b/examples/chart/images/file_new.xpm
new file mode 100644
index 0000000..8537176
--- /dev/null
+++ b/examples/chart/images/file_new.xpm
@@ -0,0 +1,36 @@
+/* XPM */
+static const char *file_new[] = {
+"20 20 12 1",
+"  c white",
+"! c None",
+"# c #000",
+"$ c #2e2e2e2e2e2e",
+"% c #ffffffffffff",
+"& c #5c5c5c5c5c5c",
+"( c #878787878787",
+") c #c2c2c2c2c2c2",
+"* c black",
+"+ c #00C900",
+", c #ffff00",
+"- c red",
+"!!!!!!!!!!!!!!!!!!!!",
+"!!##########$!!!!!!!",
+"!!#%%%%%%%%#&$!!!!!!",
+"!!#%%%%%%%%#(&$!!!!!",
+"!!#%%%%%%%%#)(&$!!!!",
+"!!#%%%%%%%%#%)(&$!!!",
+"!!#%%%%*****#####!!!",
+"!!#%%%*+++++*%%%#!!!",
+"!!#%%*,++++++*%%#!!!",
+"!!#%*,,,++++++*%#!!!",
+"!!#%*,,,,+++++*%#!!!",
+"!!#%*,,,,-++++*%#!!!",
+"!!#%*,,,---+++*%#!!!",
+"!!#%*,,-----++*%#!!!",
+"!!#%%*-------*%%#!!!",
+"!!#%%%*-----*%%%#!!!",
+"!!#%%%%*****%%%%#!!!",
+"!!#%%%%%%%%%%%%%#!!!",
+"!!###############!!!",
+"!!!!!!!!!!!!!!!!!!!!"
+};
diff --git a/examples/chart/images/file_open.xpm b/examples/chart/images/file_open.xpm
new file mode 100644
index 0000000..7a7b681
--- /dev/null
+++ b/examples/chart/images/file_open.xpm
@@ -0,0 +1,33 @@
+/* XPM */
+static const char *file_open[] = {
+"20 20 9 1",
+"  c white",
+"! c None",
+"# c #002EFF",
+"$ c #000",
+"% c #ffffffff0",
+"& c #ffffffffffff",
+"( c #00C900",
+") c #ffff00",
+"* c #A500FF",
+"!!!!!!!!!!####!!!!#!",
+"!!!!!!!!!#!!!!##!##!",
+"!!!!!!!!!!!!!!!!###!",
+"!!!!!!!!!!!!!!!####!",
+"!!!!!!!!!!!!!!#####!",
+"!$$$$!!!!!!!!!!!!!!!",
+"$%&%&$$$$$$$$!!!!!!!",
+"$&%&%&%&%&%&$!!!!!!!",
+"$%&&&$$$$$&&$!!!!!!!",
+"$&&&$((((($&$!!!!!!!",
+"$%&$)(($$$$$$$$$$$$$",
+"$&$)))$***********$$",
+"$%$))$***********$$!",
+"$&$)$***********$$!!",
+"$%$$***********$$!!!",
+"$&$***********$$!!!!",
+"$$***********$$!!!!!",
+"$$***********$!!!!!!",
+"$$$$$$$$$$$$$!!!!!!!",
+"!!!!!!!!!!!!!!!!!!!!"
+};
diff --git a/examples/chart/images/file_print.xpm b/examples/chart/images/file_print.xpm
new file mode 100644
index 0000000..915f65b
--- /dev/null
+++ b/examples/chart/images/file_print.xpm
@@ -0,0 +1,115 @@
+/* XPM */
+static const char *file_print[] = {
+/* columns rows colors chars-per-pixel */
+"20 20 89 1",
+"  c Gray0",
+". c #101008081010",
+"X c #101010101010",
+"o c #101010101818",
+"O c #181810101818",
+"+ c #181818181818",
+"@ c #181818182121",
+"# c #212118182121",
+"$ c Gray13",
+"% c #212121212929",
+"& c #292921212929",
+"* c Gray16",
+"= c #292929293131",
+"- c #313129293131",
+"; c #313131313131",
+": c #313131313939",
+"> c #393931313939",
+", c #393939393939",
+"< c #393939394242",
+"1 c #424239394242",
+"2 c Gray26",
+"3 c #4a4a4a4a5252",
+"4 c #5a5a52525a5a",
+"5 c #5a5a5a5a6363",
+"6 c #6b6b63636b6b",
+"7 c Gray42",
+"8 c #6b6b6b6b7373",
+"9 c #73736b6b7373",
+"0 c #7b7b73737b7b",
+"q c #7b7b73738484",
+"w c #0808ffff0808",
+"e c #2929ffff2929",
+"r c #3131ffff3131",
+"t c #5a5acece5a5a",
+"y c #6b6bffff6363",
+"u c #7b7bffff7b7b",
+"i c #84847b7b8484",
+"p c #84847b7b8c8c",
+"a c #8c8c7b7b9494",
+"s c #848484848c8c",
+"d c #8c8c84848c8c",
+"f c Gray55",
+"g c #8c8c84849494",
+"h c #8c8c8c8c9494",
+"j c #94948c8c9494",
+"k c #94948c8c9c9c",
+"l c Gray58",
+"z c #949494949c9c",
+"x c #9c9c94949c9c",
+"c c Gray61",
+"v c #9c9c9494a5a5",
+"b c #9c9c9c9ca5a5",
+"n c #a5a59c9ca5a5",
+"m c #a5a59c9cadad",
+"M c #adad9c9cadad",
+"N c #a5a5a5a5a5a5",
+"B c #a5a5a5a5adad",
+"V c #adada5a5adad",
+"C c Gray68",
+"Z c #adadadadb5b5",
+"A c #b5b5adadb5b5",
+"S c Gray71",
+"D c Gray74",
+"F c #9494c6c69494",
+"G c #9c9ccecea5a5",
+"H c #bdbdd6d6bdbd",
+"J c #c0c0c0c0c0c0",
+"K c #c6c6c6c6c6c6",
+"L c #cecec6c6cece",
+"P c #cececececece",
+"I c #cecececed6d6",
+"U c #d6d6ceced6d6",
+"Y c #d6d6cecedede",
+"T c Gray84",
+"R c #d6d6d6d6dede",
+"E c #deded6d6dede",
+"W c Gray87",
+"Q c #deded6d6e7e7",
+"! c #dedededee7e7",
+"~ c #d6d6ffffd6d6",
+"^ c #e7e7dedee7e7",
+"/ c #e7e7e7e7e7e7",
+"( c #e7e7e7e7efef",
+") c #efefe7e7efef",
+"_ c #efefefefefef",
+"` c #e7e7ffffe7e7",
+"' c Gray97",
+"] c Gray100",
+"[ c None",
+/* pixels */
+"[[[[[[SDPPKKDDCD[[[[",
+"[[[[[[D_///___WD[[[[",
+"[[[[[[DKKPKKKKDK[[[[",
+"[[[[[[SDDSDDSSCD[[[[",
+"[[[[[KCKDKDDDKS[[[[[",
+"[[[[[KDDDDDDDDS[[[[[",
+"[[[[[CP/WWWWTWNNZ[[[",
+"[[[Dc9STPTPTWWj427S[",
+"[[Dziq00000pag8<%@2N",
+"[DcE(!ERRUYGtFn2##O<",
+"Db)]]]]]]]~ewePa;@X#",
+"V']]]]]]]]`yru]Q0@ #",
+"BRILITRRWE!RHUILhO @",
+"jAZVBmBnmmnmMvzh6o #",
+"jZZmBnnnbbbbvxxg6o +",
+"lmmnbnbbbvxxxvjs6O 3",
+"jBnnvcvxvxvxzjhd8o+C",
+"lsdgfgdhghjhjkhg6+l[",
+"S9%@$%&&&-::>>:-:l[[",
+"[[C511,:;**%++.2c[[["
+};
diff --git a/examples/chart/images/file_save.xpm b/examples/chart/images/file_save.xpm
new file mode 100644
index 0000000..6163899
--- /dev/null
+++ b/examples/chart/images/file_save.xpm
@@ -0,0 +1,33 @@
+/* XPM */
+static const char *file_save[] = {
+"20 20 9 1",
+"  c white",
+"! c #000",
+"# c #002EFF",
+"$ c #999999999999",
+"% c None",
+"& c #00C900",
+"( c #ffff00",
+") c red1",
+"* c black",
+"!!!!!!!!!!!!!!!!!!!!",
+"!##!$$$!!!!!!$$$!%%!",
+"!##!$$!&&&&&&!$$!%%!",
+"!##!$!(&&&&&&&!$!!!!",
+"!##!!(((&&&&&&&!!##!",
+"!##!!((((&&&&&&!!##!",
+"!##!!((((()&&&&!!##!",
+"!##!!((())))&&&!!##!",
+"!##!!(())))))&&!!##!",
+"!##!$!))))))))!$!##!",
+"!###!$!))))))!$*###!",
+"!####***!!!!!***###!",
+"!##################!",
+"!###!!!!!!!!!!!!!##!",
+"!###!!!!!!!!!$$$!##!",
+"!###!!!!!!!!!$$$!##!",
+"!###!!!!!!!!!$$$!##!",
+"!###!!!!!!!!!$$$!##!",
+"!###!!!!!!!!!$$$!##!",
+"%!!!!!!!!!!!!!!!!!!%"
+};
diff --git a/examples/chart/images/file_saveaspostscript.xpm b/examples/chart/images/file_saveaspostscript.xpm
new file mode 100644
index 0000000..7dd75fc
--- /dev/null
+++ b/examples/chart/images/file_saveaspostscript.xpm
@@ -0,0 +1,34 @@
+/* XPM */
+static const char *file_saveaspostscript[] = {
+"20 20 10 1",
+"  c white",
+"! c #000",
+"# c #002EFF",
+"$ c #999999999999",
+"% c None",
+"& c #00C900",
+"( c #ffff00",
+") c red1",
+"* c black",
+"+ c grey100",
+"!!!!!!!!!!!!!!!!!!!!",
+"!##!$$$!!!!!!$$$!%%!",
+"!##!$$!&&&&&&!$$!%%!",
+"!##!$!(&&&&&&&!$!!!!",
+"!##!!(((&&&&&&&!!##!",
+"!##!!((((&&&&&&!!##!",
+"!##!!((((()&&&&!!##!",
+"!##!!((())))&&&!!##!",
+"!##!!(())))))&&!!##!",
+"!##!$!))))))))!$!##!",
+"!###!$!))))))!$*###!",
+"!####***!!!!!***###!",
+"!##################!",
+"!###!!!!!!!!!!!!!##!",
+"!###!+++!+++!$$$!##!",
+"!###!+!+!+!!!$$$!##!",
+"!###!+++!+++!$$$!##!",
+"!###!+!!!!!+!$$$!##!",
+"!###!+!!!+++!$$$!##!",
+"%!!!!!!!!!!!!!!!!!!%"
+};
diff --git a/examples/chart/images/options_horizontalbarchart.xpm b/examples/chart/images/options_horizontalbarchart.xpm
new file mode 100644
index 0000000..afb06ff
--- /dev/null
+++ b/examples/chart/images/options_horizontalbarchart.xpm
@@ -0,0 +1,31 @@
+/* XPM */
+static const char *options_horizontalbarchart[] = {
+"20 20 7 1",
+"( c #A500FF",
+"  c white",
+"! c red1",
+"# c None",
+"$ c #E9FF00",
+"% c #00C900",
+"& c #002EFF",
+"!!!!!!!!!!!!!!######",
+"!!!!!!!!!!!!!!######",
+"!!!!!!!!!!!!!!######",
+"!!!!!!!!!!!!!!######",
+"$$$$$$$$$$$$$$$$$###",
+"$$$$$$$$$$$$$$$$$###",
+"$$$$$$$$$$$$$$$$$###",
+"$$$$$$$$$$$$$$$$$###",
+"%%%%%%%%%%%%%%%%%%%%",
+"%%%%%%%%%%%%%%%%%%%%",
+"%%%%%%%%%%%%%%%%%%%%",
+"%%%%%%%%%%%%%%%%%%%%",
+"&&&&&&&&&&&&&&######",
+"&&&&&&&&&&&&&&######",
+"&&&&&&&&&&&&&&######",
+"&&&&&&&&&&&&&&######",
+"(((((((((((#########",
+"(((((((((((#########",
+"(((((((((((#########",
+"(((((((((((#########"
+};
diff --git a/examples/chart/images/options_piechart.xpm b/examples/chart/images/options_piechart.xpm
new file mode 100644
index 0000000..221c78d
--- /dev/null
+++ b/examples/chart/images/options_piechart.xpm
@@ -0,0 +1,30 @@
+/* XPM */
+static const char *options_piechart[] = {
+"20 20 6 1",
+"  c white",
+"! c None",
+"# c black",
+"$ c #00C900",
+"% c #E9FF00",
+"& c red1",
+"!!!!!!#######!!!!!!!",
+"!!!!##$$$$$$$##!!!!!",
+"!!!#%$$$$$$$$$$#!!!!",
+"!!#%%%$$$$$$$$$$#!!!",
+"!#%%%%%$$$$$$$$$$#!!",
+"!#%%%%%$$$$$$$$$$#!!",
+"#%%%%%%%$$$$$$$$$$#!",
+"#%%%%%%%%$$$$$$$$$#!",
+"#%%%%%%%%$$$$$$$$$#!",
+"#%%%%%%%%%$$$$$$$$#!",
+"#%%%%%%%%&&$$$$$$$#!",
+"#%%%%%%%&&&&$$$$$$#!",
+"#%%%%%%&&&&&&&$$$$#!",
+"#%%%%%&&&&&&&&&$$$#!",
+"!#%%%&&&&&&&&&&&&#!!",
+"!#%%&&&&&&&&&&&&&#!!",
+"!!#&&&&&&&&&&&&&#!!!",
+"!!!#&&&&&&&&&&&#!!!!",
+"!!!!##&&&&&&&##!!!!!",
+"!!!!!!#######!!!!!!!"
+};
diff --git a/examples/chart/images/options_setdata.xpm b/examples/chart/images/options_setdata.xpm
new file mode 100644
index 0000000..4ff70a5
--- /dev/null
+++ b/examples/chart/images/options_setdata.xpm
@@ -0,0 +1,34 @@
+/* XPM */
+static const char *options_setdata[] = {
+"20 20 10 1",
+"  c white",
+"! c None",
+"# c grey40",
+"$ c #002EFF",
+"% c black",
+"& c red1",
+"( c #00C900",
+") c #A500FF",
+"* c #E9FF00",
+"+ c cyan1",
+"!!!!!!!!!!!!!!!!!!!!",
+"!#####!$$!!#####!%%!",
+"!#####!$$!!#####!%%!",
+"!!!!!!!!!!!!!!!!!!!!",
+"!#####!&&!!#####!%%!",
+"!#####!&&!!#####!%%!",
+"!!!!!!!!!!!!!!!!!!!!",
+"!#####!((!!#####!%%!",
+"!#####!((!!#####!%%!",
+"!!!!!!!!!!!!!!!!!!!!",
+"!#####!))!!#####!%%!",
+"!#####!))!!#####!%%!",
+"!!!!!!!!!!!!!!!!!!!!",
+"!#####!**!!#####!%%!",
+"!#####!**!!#####!%%!",
+"!!!!!!!!!!!!!!!!!!!!",
+"!#####!++!!#####!%%!",
+"!#####!++!!#####!%%!",
+"!!!!!!!!!!!!!!!!!!!!",
+"!!!!!!!!!!!!!!!!!!!!"
+};
diff --git a/examples/chart/images/options_setfont.xpm b/examples/chart/images/options_setfont.xpm
new file mode 100644
index 0000000..ab55224
--- /dev/null
+++ b/examples/chart/images/options_setfont.xpm
@@ -0,0 +1,27 @@
+/* XPM */
+static const char *options_setfont[] = {
+"20 20 3 1",
+"  c white",
+"! c None",
+"# c #002EFF",
+"!!!!!!!!!!!!!!!!!!!!",
+"!!!!!!!!!!!!#####!!!",
+"!!!!!!!!!!!#######!!",
+"!!!!!!!!!!!##!!!!##!",
+"!!!!!!!!!!##!!!!###!",
+"!!!!!!!!!!##!!!!###!",
+"!!!!!!!!!###!!!!!!!!",
+"!!!!!!!!!##!!!!!!!!!",
+"!!!!!#############!!",
+"!!!!###!!########!!!",
+"!!!##!!!!##!!!!!!!!!",
+"!!!##!!!!#!!!!!!!!!!",
+"!!!!!!!!##!!!!!!!!!!",
+"!!!!!!!!##!!!!!!!!!!",
+"!!!!!!!###!!!!!!!!!!",
+"!!!!!!!##!!!!!!!!!!!",
+"!!!!!!##!!!!!!!!!!!!",
+"!#!!!###!!!!!!!!!!!!",
+"!######!!!!!!!!!!!!!",
+"!!####!!!!!!!!!!!!!!"
+};
diff --git a/examples/chart/images/options_setoptions.xpm b/examples/chart/images/options_setoptions.xpm
new file mode 100644
index 0000000..029cf47
--- /dev/null
+++ b/examples/chart/images/options_setoptions.xpm
@@ -0,0 +1,32 @@
+/* XPM */
+static const char *options_setoptions[] = {
+"20 20 8 1",
+"( c #A500FF",
+"  c white",
+") c grey30",
+"! c None",
+"# c #000",
+"$ c grey60",
+"% c grey100",
+"& c black",
+"!!!!!!!!!!!!!!!!!!!!",
+"!#############$$$$$!",
+"!#%%%%%%%%%%%%&$$$$!",
+"!#%%%%%%%%%%%%%&$$$!",
+"!#%%%%%%%%%%%%%%&$$!",
+"!#%%%%%%%%%%%%%%%&$!",
+"!#%%((%%%%%%%%%%%%#!",
+"!#%%((%%%%%%%%%%%%#!",
+"!#%%((%%%%%%%%%%%%#!",
+"!#(((((((%%%%%%%%%#!",
+"!#(((((((%%%%%%%%%#!",
+"!#%%((%%%%%)%))))%#!",
+"!#%%((%%%%%%%%%%%%#!",
+"!#%%((%)))%)))%))%#!",
+"!#%%%%%%%%%%%%%%%%#!",
+"!#%%))%)%))))%))%%#!",
+"!#%%%%%%%%%%%%%%%%#!",
+"!#%%%%%%%%%%%%%%%%#!",
+"!##################!",
+"!!!!!!!!!!!!!!!!!!!!"
+};
diff --git a/examples/chart/images/options_verticalbarchart.xpm b/examples/chart/images/options_verticalbarchart.xpm
new file mode 100644
index 0000000..e812f0f
--- /dev/null
+++ b/examples/chart/images/options_verticalbarchart.xpm
@@ -0,0 +1,31 @@
+/* XPM */
+static const char *options_verticalbarchart[] = {
+"20 20 7 1",
+"( c #A500FF",
+"  c white",
+"! c None",
+"# c #00C900",
+"$ c #E9FF00",
+"% c red1",
+"& c #002EFF",
+"!!!!!!!!####!!!!!!!!",
+"!!!!!!!!####!!!!!!!!",
+"!!!!!!!!####!!!!!!!!",
+"!!!!$$$$####!!!!!!!!",
+"!!!!$$$$####!!!!!!!!",
+"!!!!$$$$####!!!!!!!!",
+"%%%%$$$$####&&&&!!!!",
+"%%%%$$$$####&&&&!!!!",
+"%%%%$$$$####&&&&!!!!",
+"%%%%$$$$####&&&&((((",
+"%%%%$$$$####&&&&((((",
+"%%%%$$$$####&&&&((((",
+"%%%%$$$$####&&&&((((",
+"%%%%$$$$####&&&&((((",
+"%%%%$$$$####&&&&((((",
+"%%%%$$$$####&&&&((((",
+"%%%%$$$$####&&&&((((",
+"%%%%$$$$####&&&&((((",
+"%%%%$$$$####&&&&((((",
+"%%%%$$$$####&&&&(((("
+};
diff --git a/examples/chart/images/pattern01.xpm b/examples/chart/images/pattern01.xpm
new file mode 100644
index 0000000..26a70cb
--- /dev/null
+++ b/examples/chart/images/pattern01.xpm
@@ -0,0 +1,27 @@
+/* XPM */
+static const char *pattern01[] = {
+/* columns rows colors chars-per-pixel */
+"40 20 1 1",
+"  c black",
+/* pixels */
+"                                        ",
+"                                        ",
+"                                        ",
+"                                        ",
+"                                        ",
+"                                        ",
+"                                        ",
+"                                        ",
+"                                        ",
+"                                        ",
+"                                        ",
+"                                        ",
+"                                        ",
+"                                        ",
+"                                        ",
+"                                        ",
+"                                        ",
+"                                        ",
+"                                        ",
+"                                        "
+};
diff --git a/examples/chart/images/pattern02.xpm b/examples/chart/images/pattern02.xpm
new file mode 100644
index 0000000..cc5b794
--- /dev/null
+++ b/examples/chart/images/pattern02.xpm
@@ -0,0 +1,28 @@
+/* XPM */
+static const char *pattern02[] = {
+/* columns rows colors chars-per-pixel */
+"40 20 2 1",
+"  c black",
+". c white",
+/* pixels */
+".   .   .   .   .   .   .   .   .   .   ",
+"                                        ",
+"                                        ",
+"                                        ",
+".   .   .   .   .   .   .   .   .   .   ",
+"                                        ",
+"                                        ",
+"                                        ",
+".   .   .   .   .   .   .   .   .   .   ",
+"                                        ",
+"                                        ",
+"                                        ",
+".   .   .   .   .   .   .   .   .   .   ",
+"                                        ",
+"                                        ",
+"                                        ",
+".   .   .   .   .   .   .   .   .   .   ",
+"                                        ",
+"                                        ",
+"                                        "
+};
diff --git a/examples/chart/images/pattern03.xpm b/examples/chart/images/pattern03.xpm
new file mode 100644
index 0000000..d9fc57a
--- /dev/null
+++ b/examples/chart/images/pattern03.xpm
@@ -0,0 +1,28 @@
+/* XPM */
+static const char *pattern03[] = {
+/* columns rows colors chars-per-pixel */
+"40 20 2 1",
+"  c black",
+". c white",
+/* pixels */
+"  .   .   .   .   .   .   .   .   .   . ",
+"                                        ",
+".   .   .   .   .   .   .   .   .   .   ",
+"                                        ",
+"  .   .   .   .   .   .   .   .   .   . ",
+"                                        ",
+".   .   .   .   .   .   .   .   .   .   ",
+"                                        ",
+"  .   .   .   .   .   .   .   .   .   . ",
+"                                        ",
+".   .   .   .   .   .   .   .   .   .   ",
+"                                        ",
+"  .   .   .   .   .   .   .   .   .   . ",
+"                                        ",
+".   .   .   .   .   .   .   .   .   .   ",
+"                                        ",
+"  .   .   .   .   .   .   .   .   .   . ",
+"                                        ",
+".   .   .   .   .   .   .   .   .   .   ",
+"                                        "
+};
diff --git a/examples/chart/images/pattern04.xpm b/examples/chart/images/pattern04.xpm
new file mode 100644
index 0000000..85b9223
--- /dev/null
+++ b/examples/chart/images/pattern04.xpm
@@ -0,0 +1,28 @@
+/* XPM */
+static const char *pattern04[] = {
+/* columns rows colors chars-per-pixel */
+"40 20 2 1",
+"  c black",
+". c white",
+/* pixels */
+".   .   .   .   .   .   .   .   .   .   ",
+" . . . . . . . . . . . . . . . . . . . .",
+"  .   .   .   .   .   .   .   .   .   . ",
+" . . . . . . . . . . . . . . . . . . . .",
+".   .   .   .   .   .   .   .   .   .   ",
+" . . . . . . . . . . . . . . . . . . . .",
+"  .   .   .   .   .   .   .   .   .   . ",
+" . . . . . . . . . . . . . . . . . . . .",
+".   .   .   .   .   .   .   .   .   .   ",
+" . . . . . . . . . . . . . . . . . . . .",
+"  .   .   .   .   .   .   .   .   .   . ",
+" . . . . . . . . . . . . . . . . . . . .",
+".   .   .   .   .   .   .   .   .   .   ",
+" . . . . . . . . . . . . . . . . . . . .",
+"  .   .   .   .   .   .   .   .   .   . ",
+" . . . . . . . . . . . . . . . . . . . .",
+".   .   .   .   .   .   .   .   .   .   ",
+" . . . . . . . . . . . . . . . . . . . .",
+"  .   .   .   .   .   .   .   .   .   . ",
+" . . . . . . . . . . . . . . . . . . . ."
+};
diff --git a/examples/chart/images/pattern05.xpm b/examples/chart/images/pattern05.xpm
new file mode 100644
index 0000000..cc7beee
--- /dev/null
+++ b/examples/chart/images/pattern05.xpm
@@ -0,0 +1,28 @@
+/* XPM */
+static const char *pattern05[] = {
+/* columns rows colors chars-per-pixel */
+"40 20 2 1",
+"  c black",
+". c white",
+/* pixels */
+" . . . . . . . . . . . . . . . . . . . .",
+". . . . . . . . . . . . . . . . . . . . ",
+" . . . . . . . . . . . . . . . . . . . .",
+". . . . . . . . . . . . . . . . . . . . ",
+" . . . . . . . . . . . . . . . . . . . .",
+". . . . . . . . . . . . . . . . . . . . ",
+" . . . . . . . . . . . . . . . . . . . .",
+". . . . . . . . . . . . . . . . . . . . ",
+" . . . . . . . . . . . . . . . . . . . .",
+". . . . . . . . . . . . . . . . . . . . ",
+" . . . . . . . . . . . . . . . . . . . .",
+". . . . . . . . . . . . . . . . . . . . ",
+" . . . . . . . . . . . . . . . . . . . .",
+". . . . . . . . . . . . . . . . . . . . ",
+" . . . . . . . . . . . . . . . . . . . .",
+". . . . . . . . . . . . . . . . . . . . ",
+" . . . . . . . . . . . . . . . . . . . .",
+". . . . . . . . . . . . . . . . . . . . ",
+" . . . . . . . . . . . . . . . . . . . .",
+". . . . . . . . . . . . . . . . . . . . "
+};
diff --git a/examples/chart/images/pattern06.xpm b/examples/chart/images/pattern06.xpm
new file mode 100644
index 0000000..ad8b055
--- /dev/null
+++ b/examples/chart/images/pattern06.xpm
@@ -0,0 +1,28 @@
+/* XPM */
+static const char *pattern06[] = {
+/* columns rows colors chars-per-pixel */
+"40 20 2 1",
+"  c black",
+". c white",
+/* pixels */
+".. ... ... ... ... ... ... ... ... ... .",
+". . . . . . . . . . . . . . . . . . . . ",
+" ... ... ... ... ... ... ... ... ... ...",
+". . . . . . . . . . . . . . . . . . . . ",
+".. ... ... ... ... ... ... ... ... ... .",
+". . . . . . . . . . . . . . . . . . . . ",
+" ... ... ... ... ... ... ... ... ... ...",
+". . . . . . . . . . . . . . . . . . . . ",
+".. ... ... ... ... ... ... ... ... ... .",
+". . . . . . . . . . . . . . . . . . . . ",
+" ... ... ... ... ... ... ... ... ... ...",
+". . . . . . . . . . . . . . . . . . . . ",
+".. ... ... ... ... ... ... ... ... ... .",
+". . . . . . . . . . . . . . . . . . . . ",
+" ... ... ... ... ... ... ... ... ... ...",
+". . . . . . . . . . . . . . . . . . . . ",
+".. ... ... ... ... ... ... ... ... ... .",
+". . . . . . . . . . . . . . . . . . . . ",
+" ... ... ... ... ... ... ... ... ... ...",
+". . . . . . . . . . . . . . . . . . . . "
+};
diff --git a/examples/chart/images/pattern07.xpm b/examples/chart/images/pattern07.xpm
new file mode 100644
index 0000000..d01c55f
--- /dev/null
+++ b/examples/chart/images/pattern07.xpm
@@ -0,0 +1,28 @@
+/* XPM */
+static const char *pattern07[] = {
+/* columns rows colors chars-per-pixel */
+"40 20 2 1",
+"  c black",
+". c white",
+/* pixels */
+" ... ... ... ... ... ... ... ... ... ...",
+"........................................",
+".. ... ... ... ... ... ... ... ... ... .",
+"........................................",
+" ... ... ... ... ... ... ... ... ... ...",
+"........................................",
+".. ... ... ... ... ... ... ... ... ... .",
+"........................................",
+" ... ... ... ... ... ... ... ... ... ...",
+"........................................",
+".. ... ... ... ... ... ... ... ... ... .",
+"........................................",
+" ... ... ... ... ... ... ... ... ... ...",
+"........................................",
+".. ... ... ... ... ... ... ... ... ... .",
+"........................................",
+" ... ... ... ... ... ... ... ... ... ...",
+"........................................",
+".. ... ... ... ... ... ... ... ... ... .",
+"........................................"
+};
diff --git a/examples/chart/images/pattern08.xpm b/examples/chart/images/pattern08.xpm
new file mode 100644
index 0000000..b0ce09f
--- /dev/null
+++ b/examples/chart/images/pattern08.xpm
@@ -0,0 +1,28 @@
+/* XPM */
+static const char *pattern08[] = {
+/* columns rows colors chars-per-pixel */
+"40 20 2 1",
+"  c black",
+". c white",
+/* pixels */
+"........................................",
+"........................................",
+"... ... ... ... ... ... ... ... ... ... ",
+"........................................",
+"........................................",
+"........................................",
+"... ... ... ... ... ... ... ... ... ... ",
+"........................................",
+"........................................",
+"........................................",
+"... ... ... ... ... ... ... ... ... ... ",
+"........................................",
+"........................................",
+"........................................",
+"... ... ... ... ... ... ... ... ... ... ",
+"........................................",
+"........................................",
+"........................................",
+"... ... ... ... ... ... ... ... ... ... ",
+"........................................"
+};
diff --git a/examples/chart/images/pattern09.xpm b/examples/chart/images/pattern09.xpm
new file mode 100644
index 0000000..7d34bc4
--- /dev/null
+++ b/examples/chart/images/pattern09.xpm
@@ -0,0 +1,28 @@
+/* XPM */
+static const char *pattern09[] = {
+/* columns rows colors chars-per-pixel */
+"40 20 2 1",
+"  c black",
+". c white",
+/* pixels */
+"........................................",
+"                                        ",
+"........................................",
+"........................................",
+"........................................",
+"........................................",
+"........................................",
+"                                        ",
+"........................................",
+"........................................",
+"........................................",
+"........................................",
+"........................................",
+"                                        ",
+"........................................",
+"........................................",
+"........................................",
+"........................................",
+"........................................",
+"                                        "
+};
diff --git a/examples/chart/images/pattern10.xpm b/examples/chart/images/pattern10.xpm
new file mode 100644
index 0000000..c908016
--- /dev/null
+++ b/examples/chart/images/pattern10.xpm
@@ -0,0 +1,28 @@
+/* XPM */
+static const char *pattern10[] = {
+/* columns rows colors chars-per-pixel */
+"40 20 2 1",
+"  c black",
+". c white",
+/* pixels */
+".. ..... ..... ..... ..... ..... ..... .",
+".. ..... ..... ..... ..... ..... ..... .",
+".. ..... ..... ..... ..... ..... ..... .",
+".. ..... ..... ..... ..... ..... ..... .",
+".. ..... ..... ..... ..... ..... ..... .",
+".. ..... ..... ..... ..... ..... ..... .",
+".. ..... ..... ..... ..... ..... ..... .",
+".. ..... ..... ..... ..... ..... ..... .",
+".. ..... ..... ..... ..... ..... ..... .",
+".. ..... ..... ..... ..... ..... ..... .",
+".. ..... ..... ..... ..... ..... ..... .",
+".. ..... ..... ..... ..... ..... ..... .",
+".. ..... ..... ..... ..... ..... ..... .",
+".. ..... ..... ..... ..... ..... ..... .",
+".. ..... ..... ..... ..... ..... ..... .",
+".. ..... ..... ..... ..... ..... ..... .",
+".. ..... ..... ..... ..... ..... ..... .",
+".. ..... ..... ..... ..... ..... ..... .",
+".. ..... ..... ..... ..... ..... ..... .",
+".. ..... ..... ..... ..... ..... ..... ."
+};
diff --git a/examples/chart/images/pattern11.xpm b/examples/chart/images/pattern11.xpm
new file mode 100644
index 0000000..8feda9a
--- /dev/null
+++ b/examples/chart/images/pattern11.xpm
@@ -0,0 +1,28 @@
+/* XPM */
+static const char *pattern11[] = {
+/* columns rows colors chars-per-pixel */
+"40 20 2 1",
+"  c black",
+". c white",
+/* pixels */
+". ..... ..... ..... ..... ..... ..... ..",
+". ..... ..... ..... ..... ..... ..... ..",
+"                                        ",
+". ..... ..... ..... ..... ..... ..... ..",
+". ..... ..... ..... ..... ..... ..... ..",
+". ..... ..... ..... ..... ..... ..... ..",
+". ..... ..... ..... ..... ..... ..... ..",
+". ..... ..... ..... ..... ..... ..... ..",
+"                                        ",
+". ..... ..... ..... ..... ..... ..... ..",
+". ..... ..... ..... ..... ..... ..... ..",
+". ..... ..... ..... ..... ..... ..... ..",
+". ..... ..... ..... ..... ..... ..... ..",
+". ..... ..... ..... ..... ..... ..... ..",
+"                                        ",
+". ..... ..... ..... ..... ..... ..... ..",
+". ..... ..... ..... ..... ..... ..... ..",
+". ..... ..... ..... ..... ..... ..... ..",
+". ..... ..... ..... ..... ..... ..... ..",
+". ..... ..... ..... ..... ..... ..... .."
+};
diff --git a/examples/chart/images/pattern12.xpm b/examples/chart/images/pattern12.xpm
new file mode 100644
index 0000000..a57233f
--- /dev/null
+++ b/examples/chart/images/pattern12.xpm
@@ -0,0 +1,28 @@
+/* XPM */
+static const char *pattern12[] = {
+/* columns rows colors chars-per-pixel */
+"40 20 2 1",
+"  c black",
+". c white",
+/* pixels */
+"..... ....... ....... ....... ....... ..",
+".... ....... ....... ....... ....... ...",
+"... ....... ....... ....... ....... ....",
+".. ....... ....... ....... ....... .....",
+". ....... ....... ....... ....... ......",
+" ....... ....... ....... ....... .......",
+"....... ....... ....... ....... ....... ",
+"...... ....... ....... ....... ....... .",
+"..... ....... ....... ....... ....... ..",
+".... ....... ....... ....... ....... ...",
+"... ....... ....... ....... ....... ....",
+".. ....... ....... ....... ....... .....",
+". ....... ....... ....... ....... ......",
+" ....... ....... ....... ....... .......",
+"....... ....... ....... ....... ....... ",
+"...... ....... ....... ....... ....... .",
+"..... ....... ....... ....... ....... ..",
+".... ....... ....... ....... ....... ...",
+"... ....... ....... ....... ....... ....",
+".. ....... ....... ....... ....... ....."
+};
diff --git a/examples/chart/images/pattern13.xpm b/examples/chart/images/pattern13.xpm
new file mode 100644
index 0000000..97f874f
--- /dev/null
+++ b/examples/chart/images/pattern13.xpm
@@ -0,0 +1,28 @@
+/* XPM */
+static const char *pattern13[] = {
+/* columns rows colors chars-per-pixel */
+"40 20 2 1",
+"  c black",
+". c white",
+/* pixels */
+" ....... ....... ....... ....... .......",
+". ....... ....... ....... ....... ......",
+".. ....... ....... ....... ....... .....",
+"... ....... ....... ....... ....... ....",
+".... ....... ....... ....... ....... ...",
+"..... ....... ....... ....... ....... ..",
+"...... ....... ....... ....... ....... .",
+"....... ....... ....... ....... ....... ",
+" ....... ....... ....... ....... .......",
+". ....... ....... ....... ....... ......",
+".. ....... ....... ....... ....... .....",
+"... ....... ....... ....... ....... ....",
+".... ....... ....... ....... ....... ...",
+"..... ....... ....... ....... ....... ..",
+"...... ....... ....... ....... ....... .",
+"....... ....... ....... ....... ....... ",
+" ....... ....... ....... ....... .......",
+". ....... ....... ....... ....... ......",
+".. ....... ....... ....... ....... .....",
+"... ....... ....... ....... ....... ...."
+};
diff --git a/examples/chart/images/pattern14.xpm b/examples/chart/images/pattern14.xpm
new file mode 100644
index 0000000..e9e6884
--- /dev/null
+++ b/examples/chart/images/pattern14.xpm
@@ -0,0 +1,28 @@
+/* XPM */
+static const char *pattern14[] = {
+/* columns rows colors chars-per-pixel */
+"40 20 2 1",
+"  c black",
+". c white",
+/* pixels */
+"... . ..... . ..... . ..... . ..... . ..",
+".. ... ... ... ... ... ... ... ... ... .",
+". ..... . ..... . ..... . ..... . ..... ",
+" ....... ....... ....... ....... .......",
+". ..... . ..... . ..... . ..... . ..... ",
+".. ... ... ... ... ... ... ... ... ... .",
+"... . ..... . ..... . ..... . ..... . ..",
+".... ....... ....... ....... ....... ...",
+"... . ..... . ..... . ..... . ..... . ..",
+".. ... ... ... ... ... ... ... ... ... .",
+". ..... . ..... . ..... . ..... . ..... ",
+" ....... ....... ....... ....... .......",
+". ..... . ..... . ..... . ..... . ..... ",
+".. ... ... ... ... ... ... ... ... ... .",
+"... . ..... . ..... . ..... . ..... . ..",
+".... ....... ....... ....... ....... ...",
+"... . ..... . ..... . ..... . ..... . ..",
+".. ... ... ... ... ... ... ... ... ... .",
+". ..... . ..... . ..... . ..... . ..... ",
+" ....... ....... ....... ....... ......."
+};
diff --git a/examples/chart/main.cpp b/examples/chart/main.cpp
new file mode 100644
index 0000000..dde8033
--- /dev/null
+++ b/examples/chart/main.cpp
@@ -0,0 +1,21 @@
+#include <qapplication.h>
+#include "chartform.h"
+
+
+int main( int argc, char *argv[] )
+{
+    QApplication app( argc, argv );
+
+    QString filename;
+    if ( app.argc() > 1 ) {
+	filename = app.argv()[1];
+	if ( !filename.endsWith( ".cht" ) )
+	    filename = QString::null;
+    }
+
+    ChartForm *cf = new ChartForm( filename );
+    app.setMainWidget( cf );
+    cf->show();
+
+    return app.exec();
+}
diff --git a/examples/chart/optionsform.cpp b/examples/chart/optionsform.cpp
new file mode 100644
index 0000000..5228bc3
--- /dev/null
+++ b/examples/chart/optionsform.cpp
@@ -0,0 +1,135 @@
+#include "optionsform.h"
+
+#include <qbuttongroup.h>
+#include <qcombobox.h>
+#include <qfontdialog.h>
+#include <qframe.h>
+#include <qimage.h>
+#include <qlabel.h>
+#include <qlayout.h>
+#include <qpushbutton.h>
+#include <qradiobutton.h>
+#include <qspinbox.h>
+
+#include "images/options_horizontalbarchart.xpm"
+#include "images/options_piechart.xpm"
+#include "images/options_verticalbarchart.xpm"
+
+
+OptionsForm::OptionsForm( QWidget* parent, const char* name,
+			  bool modal, WFlags f )
+    : QDialog( parent, name, modal, f )
+{
+    setCaption( "Chart -- Options" );
+    resize( 320, 290 );
+
+    optionsFormLayout = new QVBoxLayout( this, 11, 6 );
+
+    chartTypeLayout = new QHBoxLayout( 0, 0, 6 );
+
+    chartTypeTextLabel = new QLabel( "&Chart Type", this );
+    chartTypeLayout->addWidget( chartTypeTextLabel );
+
+    chartTypeComboBox = new QComboBox( FALSE, this );
+    chartTypeComboBox->insertItem( QPixmap( options_piechart ), "Pie Chart" );
+    chartTypeComboBox->insertItem( QPixmap( options_verticalbarchart ),
+				   "Vertical Bar Chart" );
+    chartTypeComboBox->insertItem( QPixmap( options_horizontalbarchart ),
+				   "Horizontal Bar Chart" );
+    chartTypeLayout->addWidget( chartTypeComboBox );
+    optionsFormLayout->addLayout( chartTypeLayout );
+
+    fontLayout = new QHBoxLayout( 0, 0, 6 );
+
+    fontPushButton = new QPushButton( "&Font...", this );
+    fontLayout->addWidget( fontPushButton );
+    QSpacerItem* spacer = new QSpacerItem( 0, 0,
+					   QSizePolicy::Expanding,
+					   QSizePolicy::Minimum );
+    fontLayout->addItem( spacer );
+
+    fontTextLabel = new QLabel( this ); // Must be set by caller via setFont()
+    fontLayout->addWidget( fontTextLabel );
+    optionsFormLayout->addLayout( fontLayout );
+
+    addValuesFrame = new QFrame( this );
+    addValuesFrame->setFrameShape( QFrame::StyledPanel );
+    addValuesFrame->setFrameShadow( QFrame::Sunken );
+    addValuesFrameLayout = new QVBoxLayout( addValuesFrame, 11, 6 );
+
+    addValuesButtonGroup = new QButtonGroup( "Show Values", addValuesFrame );
+    addValuesButtonGroup->setColumnLayout(0, Qt::Vertical );
+    addValuesButtonGroup->layout()->setSpacing( 6 );
+    addValuesButtonGroup->layout()->setMargin( 11 );
+    addValuesButtonGroupLayout = new QVBoxLayout(
+					addValuesButtonGroup->layout() );
+    addValuesButtonGroupLayout->setAlignment( Qt::AlignTop );
+
+    noRadioButton = new QRadioButton( "&No", addValuesButtonGroup );
+    noRadioButton->setChecked( TRUE );
+    addValuesButtonGroupLayout->addWidget( noRadioButton );
+
+    yesRadioButton = new QRadioButton( "&Yes", addValuesButtonGroup );
+    addValuesButtonGroupLayout->addWidget( yesRadioButton );
+
+    asPercentageRadioButton = new QRadioButton( "As &Percentage",
+						addValuesButtonGroup );
+    addValuesButtonGroupLayout->addWidget( asPercentageRadioButton );
+    addValuesFrameLayout->addWidget( addValuesButtonGroup );
+
+    decimalPlacesLayout = new QHBoxLayout( 0, 0, 6 );
+
+    decimalPlacesTextLabel = new QLabel( "&Decimal Places", addValuesFrame );
+    decimalPlacesLayout->addWidget( decimalPlacesTextLabel );
+
+    decimalPlacesSpinBox = new QSpinBox( addValuesFrame );
+    decimalPlacesSpinBox->setMinValue( 0 );
+    decimalPlacesSpinBox->setMaxValue( 9 );
+    decimalPlacesLayout->addWidget( decimalPlacesSpinBox );
+
+    addValuesFrameLayout->addLayout( decimalPlacesLayout );
+
+    optionsFormLayout->addWidget( addValuesFrame );
+
+    buttonsLayout = new QHBoxLayout( 0, 0, 6 );
+    spacer = new QSpacerItem( 0, 0,
+			      QSizePolicy::Expanding, QSizePolicy::Minimum );
+    buttonsLayout->addItem( spacer );
+
+    okPushButton = new QPushButton( "OK", this );
+    okPushButton->setDefault( TRUE );
+    buttonsLayout->addWidget( okPushButton );
+
+    cancelPushButton = new QPushButton( "Cancel", this );
+    buttonsLayout->addWidget( cancelPushButton );
+    optionsFormLayout->addLayout( buttonsLayout );
+
+    connect( fontPushButton, SIGNAL( clicked() ), this, SLOT( chooseFont() ) );
+    connect( okPushButton, SIGNAL( clicked() ), this, SLOT( accept() ) );
+    connect( cancelPushButton, SIGNAL( clicked() ), this, SLOT( reject() ) );
+
+    chartTypeTextLabel->setBuddy( chartTypeComboBox );
+    decimalPlacesTextLabel->setBuddy( decimalPlacesSpinBox );
+}
+
+
+void OptionsForm::chooseFont()
+{
+    bool ok;
+    QFont font = QFontDialog::getFont( &ok, m_font, this );
+    if ( ok )
+	setFont( font );
+}
+
+
+void OptionsForm::setFont( QFont font )
+{
+    QString label = font.family() + " " +
+		    QString::number( font.pointSize() ) + "pt";
+    if ( font.bold() )
+	label += " Bold";
+    if ( font.italic() )
+	label += " Italic";
+    fontTextLabel->setText( label );
+    m_font = font;
+}
diff --git a/examples/chart/optionsform.h b/examples/chart/optionsform.h
new file mode 100644
index 0000000..cceddca
--- /dev/null
+++ b/examples/chart/optionsform.h
@@ -0,0 +1,60 @@
+#ifndef OPTIONSFORM_H
+#define OPTIONSFORM_H
+
+#include <qdialog.h>
+
+class QButtonGroup;
+class QComboBox;
+class QFrame;
+class QGridLayout;
+class QHBoxLayout;
+class QLabel;
+class QPushButton;
+class QRadioButton;
+class QSpinBox;
+class QVBoxLayout;
+
+
+class OptionsForm : public QDialog
+{
+    Q_OBJECT
+public:
+    OptionsForm( QWidget* parent = 0, const char* name = "options form",
+		 bool modal = FALSE, WFlags f = 0 );
+    ~OptionsForm() {}
+
+    QFont font() const { return m_font; }
+    void setFont( QFont font );
+
+    QLabel *chartTypeTextLabel;
+    QComboBox *chartTypeComboBox;
+    QPushButton *fontPushButton;
+    QLabel *fontTextLabel;
+    QFrame *addValuesFrame;
+    QButtonGroup *addValuesButtonGroup;
+    QRadioButton *noRadioButton;
+    QRadioButton *yesRadioButton;
+    QRadioButton *asPercentageRadioButton;
+    QLabel *decimalPlacesTextLabel;
+    QSpinBox *decimalPlacesSpinBox;
+    QPushButton *okPushButton;
+    QPushButton *cancelPushButton;
+
+protected slots:
+    void chooseFont();
+
+protected:
+    QVBoxLayout *optionsFormLayout;
+    QHBoxLayout *chartTypeLayout;
+    QHBoxLayout *fontLayout;
+    QVBoxLayout *addValuesFrameLayout;
+    QVBoxLayout *addValuesButtonGroupLayout;
+    QHBoxLayout *decimalPlacesLayout;
+    QHBoxLayout *buttonsLayout;
+
+private:
+    QFont m_font;
+};
+
+#endif
+
diff --git a/examples/chart/setdataform.cpp b/examples/chart/setdataform.cpp
new file mode 100644
index 0000000..9910541
--- /dev/null
+++ b/examples/chart/setdataform.cpp
@@ -0,0 +1,208 @@
+#include "setdataform.h"
+#include "chartform.h"
+
+#include <qcolordialog.h>
+#include <qcombobox.h>
+#include <qlayout.h>
+#include <qpixmap.h>
+#include <qpushbutton.h>
+#include <qtable.h>
+
+#include "images/pattern01.xpm"
+#include "images/pattern02.xpm"
+#include "images/pattern03.xpm"
+#include "images/pattern04.xpm"
+#include "images/pattern05.xpm"
+#include "images/pattern06.xpm"
+#include "images/pattern07.xpm"
+#include "images/pattern08.xpm"
+#include "images/pattern09.xpm"
+#include "images/pattern10.xpm"
+#include "images/pattern11.xpm"
+#include "images/pattern12.xpm"
+#include "images/pattern13.xpm"
+#include "images/pattern14.xpm"
+
+const int MAX_PATTERNS = 14;
+
+
+SetDataForm::SetDataForm( ElementVector *elements, int decimalPlaces,
+			  QWidget* parent,  const char* name,
+			  bool modal, WFlags f )
+    : QDialog( parent, name, modal, f )
+
+{
+    m_elements = elements;
+    m_decimalPlaces = decimalPlaces;
+
+    setCaption( "Chart -- Set Data" );
+    resize( 540, 440 );
+
+    tableButtonBox = new QVBoxLayout( this, 11, 6, "table button box layout" );
+
+    table = new QTable( this, "data table" );
+    table->setNumCols( 5 );
+    table->setNumRows( ChartForm::MAX_ELEMENTS );
+    table->setColumnReadOnly( 1, TRUE );
+    table->setColumnReadOnly( 2, TRUE );
+    table->setColumnReadOnly( 4, TRUE );
+    table->setColumnWidth( 0, 80 );
+    table->setColumnWidth( 1, 60 ); // Columns 1 and 4 must be equal
+    table->setColumnWidth( 2, 60 );
+    table->setColumnWidth( 3, 200 );
+    table->setColumnWidth( 4, 60 );
+    QHeader *th = table->horizontalHeader();
+    th->setLabel( 0, "Value" );
+    th->setLabel( 1, "Color" );
+    th->setLabel( 2, "Pattern" );
+    th->setLabel( 3, "Label" );
+    th->setLabel( 4, "Color" );
+    tableButtonBox->addWidget( table );
+
+    buttonBox = new QHBoxLayout( 0, 0, 6, "button box layout" );
+
+    colorPushButton = new QPushButton( this, "color button" );
+    colorPushButton->setText( "&Color..." );
+    colorPushButton->setEnabled( FALSE );
+    buttonBox->addWidget( colorPushButton );
+
+    QSpacerItem *spacer = new QSpacerItem( 0, 0, QSizePolicy::Expanding,
+						 QSizePolicy::Minimum );
+    buttonBox->addItem( spacer );
+
+    okPushButton = new QPushButton( this, "ok button" );
+    okPushButton->setText( "OK" );
+    okPushButton->setDefault( TRUE );
+    buttonBox->addWidget( okPushButton );
+
+    cancelPushButton = new QPushButton( this, "cancel button" );
+    cancelPushButton->setText( "Cancel" );
+    cancelPushButton->setAccel( Key_Escape );
+    buttonBox->addWidget( cancelPushButton );
+
+    tableButtonBox->addLayout( buttonBox );
+
+    connect( table, SIGNAL( clicked(int,int,int,const QPoint&) ),
+	     this, SLOT( setColor(int,int) ) );
+    connect( table, SIGNAL( currentChanged(int,int) ),
+	     this, SLOT( currentChanged(int,int) ) );
+    connect( table, SIGNAL( valueChanged(int,int) ),
+	     this, SLOT( valueChanged(int,int) ) );
+    connect( colorPushButton, SIGNAL( clicked() ), this, SLOT( setColor() ) );
+    connect( okPushButton, SIGNAL( clicked() ), this, SLOT( accept() ) );
+    connect( cancelPushButton, SIGNAL( clicked() ), this, SLOT( reject() ) );
+
+    QPixmap patterns[MAX_PATTERNS];
+    patterns[0]  = QPixmap( pattern01 );
+    patterns[1]  = QPixmap( pattern02 );
+    patterns[2]  = QPixmap( pattern03 );
+    patterns[3]  = QPixmap( pattern04 );
+    patterns[4]  = QPixmap( pattern05 );
+    patterns[5]  = QPixmap( pattern06 );
+    patterns[6]  = QPixmap( pattern07 );
+    patterns[7]  = QPixmap( pattern08 );
+    patterns[8]  = QPixmap( pattern09 );
+    patterns[9]  = QPixmap( pattern10 );
+    patterns[10] = QPixmap( pattern11 );
+    patterns[11] = QPixmap( pattern12 );
+    patterns[12] = QPixmap( pattern13 );
+    patterns[13] = QPixmap( pattern14 );
+
+    QRect rect = table->cellRect( 0, 1 );
+    QPixmap pix( rect.width(), rect.height() );
+
+    for ( int i = 0; i < ChartForm::MAX_ELEMENTS; ++i ) {
+	Element element = (*m_elements)[i];
+
+	if ( element.isValid() )
+	    table->setText(
+		i, 0,
+		QString( "%1" ).arg( element.value(), 0, 'f',
+				     m_decimalPlaces ) );
+
+	QColor color = element.valueColor();
+	pix.fill( color );
+	table->setPixmap( i, 1, pix );
+	table->setText( i, 1, color.name() );
+
+	QComboBox *combobox = new QComboBox;
+	for ( int j = 0; j < MAX_PATTERNS; ++j )
+	    combobox->insertItem( patterns[j] );
+	combobox->setCurrentItem( element.valuePattern() - 1 );
+	table->setCellWidget( i, 2, combobox );
+
+	table->setText( i, 3, element.label() );
+
+	color = element.labelColor();
+	pix.fill( color );
+	table->setPixmap( i, 4, pix );
+	table->setText( i, 4, color.name() );
+    }
+
+}
+
+
+void SetDataForm::currentChanged( int, int col )
+{
+    colorPushButton->setEnabled( col == 1 || col == 4 );
+}
+
+
+void SetDataForm::valueChanged( int row, int col )
+{
+    if ( col == 0 ) {
+	bool ok;
+	double d = table->text( row, col ).toDouble( &ok );
+	if ( ok && d > EPSILON )
+	    table->setText(
+		row, col, QString( "%1" ).arg(
+			    d, 0, 'f', m_decimalPlaces ) );
+	else if ( !table->text( row, col ).isEmpty() )
+	    table->setText( row, col, table->text( row, col ) + "?" );
+    }
+}
+
+
+void SetDataForm::setColor()
+{
+    setColor( table->currentRow(), table->currentColumn() );
+    table->setFocus();
+}
+
+
+void SetDataForm::setColor( int row, int col )
+{
+    if ( !( col == 1 || col == 4 ) )
+	return;
+
+    QColor color = QColorDialog::getColor(
+			QColor( table->text( row, col ) ),
+			this, "color dialog" );
+    if ( color.isValid() ) {
+	QPixmap pix = table->pixmap( row, col );
+	pix.fill( color );
+	table->setPixmap( row, col, pix );
+	table->setText( row, col, color.name() );
+    }
+}
+
+
+void SetDataForm::accept()
+{
+    bool ok;
+    for ( int i = 0; i < ChartForm::MAX_ELEMENTS; ++i ) {
+	Element &element = (*m_elements)[i];
+	double d = table->text( i, 0 ).toDouble( &ok );
+	if ( ok )
+	    element.setValue( d );
+	else
+	    element.setValue( Element::INVALID );
+	element.setValueColor( QColor( table->text( i, 1 ) ) );
+	element.setValuePattern(
+		((QComboBox*)table->cellWidget( i, 2 ))->currentItem() + 1 );
+	element.setLabel( table->text( i, 3 ) );
+	element.setLabelColor( QColor( table->text( i, 4 ) ) );
+    }
+
+    QDialog::accept();
+}
diff --git a/examples/chart/setdataform.h b/examples/chart/setdataform.h
new file mode 100644
index 0000000..39ff2b2
--- /dev/null
+++ b/examples/chart/setdataform.h
@@ -0,0 +1,47 @@
+#ifndef SETDATAFORM_H
+#define SETDATAFORM_H
+
+#include "element.h"
+
+#include <qdialog.h>
+
+class QHBoxLayout;
+class QPushButton;
+class QTable;
+class QVBoxLayout;
+
+
+class SetDataForm: public QDialog
+{
+    Q_OBJECT
+public:
+    SetDataForm( ElementVector *elements, int decimalPlaces,
+		 QWidget *parent = 0, const char *name = "set data form",
+		 bool modal = TRUE, WFlags f = 0 );
+    ~SetDataForm() {}
+
+public slots:
+    void setColor();
+    void setColor( int row, int col );
+    void currentChanged( int row, int col );
+    void valueChanged( int row, int col );
+
+protected slots:
+    void accept();
+
+private:
+    QTable *table;
+    QPushButton *colorPushButton;
+    QPushButton *okPushButton;
+    QPushButton *cancelPushButton;
+
+protected:
+    QVBoxLayout *tableButtonBox;
+    QHBoxLayout *buttonBox;
+
+private:
+    ElementVector *m_elements;
+    int m_decimalPlaces;
+};
+
+#endif