1 files changed, 509 insertions, 0 deletions
diff --git a/karbon/tools/vpatterntool.cpp b/karbon/tools/vpatterntool.cpp
new file mode 100644
index 00000000..8c42d5e0
--- /dev/null
+++ b/karbon/tools/vpatterntool.cpp
@@ -0,0 +1,509 @@
+/* This file is part of the KDE project
+   Copyright (C) 2001, 2002, 2003 The Karbon Developers
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+*/
+
+#include "vpatterntool.h"
+
+#include <tqtoolbutton.h>
+#include <tqframe.h>
+#include <tqhbuttongroup.h>
+#include <tqlayout.h>
+#include <tqfileinfo.h>
+#include <tqlabel.h>
+#include <tqcursor.h>
+
+#include <kiconloader.h>
+#include <koIconChooser.h>
+#include <tdefiledialog.h>
+#include <tdemessagebox.h>
+
+#include <karbon_factory.h>
+#include <karbon_resourceserver.h>
+#include <karbon_view.h>
+#include <karbon_part.h>
+#include <render/vpainter.h>
+#include <render/vpainterfactory.h>
+#include <core/vselection.h>
+#include <core/vfill.h>
+#include <core/vstroke.h>
+#include <commands/vfillcmd.h>
+#include <commands/vstrokecmd.h>
+#include <widgets/vstrokefillpreview.h>
+
+VPatternWidget::VPatternWidget( TQPtrList<KoIconItem>* patterns, VTool*, TQWidget* parent )
+	: KDialogBase( parent, "", true, i18n( "Choose Pattern" ), Ok | Cancel ), m_pattern( 0 )
+{
+	TQWidget *base = new TQWidget( this );
+	TQVBoxLayout* layout = new TQVBoxLayout( base );
+	layout->addWidget( m_patternChooser = new KoIconChooser( TQSize( 32, 32 ), base ) );
+	layout->addWidget( m_buttonGroup = new TQHButtonGroup( base ) );
+	m_buttonGroup->insert( m_importPatternButton = new TQToolButton( m_buttonGroup ) );
+	m_buttonGroup->insert( m_deletePatternButton = new TQToolButton( m_buttonGroup ) );
+	m_patternChooser->setFixedSize( 180, 120 );
+	m_importPatternButton->setIconSet( SmallIconSet( "14_layer_newlayer" ) );
+	m_importPatternButton->setTextLabel( i18n( "Import" ) );
+	m_deletePatternButton->setIconSet( SmallIconSet("14_layer_deletelayer" ) );
+	m_deletePatternButton->setTextLabel( i18n( "Delete" ) );
+
+	m_buttonGroup->setInsideMargin( 3 );
+	m_importPatternButton->setEnabled( true );
+	m_deletePatternButton->setEnabled( false );
+
+	//setFrameStyle( Box | Sunken );
+	layout->setMargin( 3 );
+
+	connect( m_buttonGroup, TQT_SIGNAL( clicked( int ) ), this, TQT_SLOT( slotButtonClicked( int ) ) );
+	connect( m_patternChooser, TQT_SIGNAL( selected( KoIconItem* ) ), this, TQT_SLOT( patternSelected( KoIconItem* ) ) );
+
+	KoIconItem* item;
+	for( item = patterns->first(); item; item = patterns->next() )
+		m_patternChooser->addItem( item );
+	m_pattern = (VPattern*)patterns->first();
+
+	setMainWidget( base );
+} // VPatternWidget::VPatternWidget
+
+VPatternWidget::~VPatternWidget()
+{
+} // VPatternWidget::~VPatternWidget
+
+VPattern* VPatternWidget::selectedPattern()
+{
+	return m_pattern;
+} // VPatternWidget::selectedPattern
+
+void VPatternWidget::importPattern()
+{
+	VPattern* pattern = KarbonFactory::rServer()->addPattern( KFileDialog::getOpenFileName( TQString(),
+		"*.jpg *.gif *.png *.tif *.xpm *.bmp", this, i18n( "Choose Pattern to Add" ) ) );
+	if( pattern )
+		m_patternChooser->addItem( pattern );
+} // VPatternWidget::importPattern
+
+void VPatternWidget::deletePattern()
+{
+	m_patternChooser->removeItem( m_pattern );
+	KarbonFactory::rServer()->removePattern( m_pattern );
+	m_patternChooser->updateContents();
+	m_pattern = static_cast<VPattern*>( m_patternChooser->currentItem() );
+} // VPatternWidget::deletePattern
+
+void VPatternWidget::slotButtonClicked( int id )
+{
+	switch( id )
+	{
+		case 0: importPattern();
+				break;
+		case 1: deletePattern();
+				break;
+	}
+} // VPatternWidget::slotButtonClicked
+
+void VPatternWidget::patternSelected( KoIconItem* item )
+{
+	m_pattern = (VPattern*)item;
+	m_deletePatternButton->setEnabled( TQFileInfo( m_pattern->tilename() ).isWritable() );
+} // VPatternWidget::patternSelected
+
+VPatternTool::VPatternTool( KarbonView *view )
+	: VTool( view, "tool_pattern" ), m_state( normal ), m_handleSize( 3 ), m_active( false )
+{
+	TQPtrList<KoIconItem> patterns = KarbonFactory::rServer()->patterns();
+	m_optionsWidget = new VPatternWidget( &patterns, this );
+	registerTool( this );
+} // VPatternTool::VPatternTool
+
+VPatternTool::~VPatternTool()
+{
+	delete m_optionsWidget;
+} // VPatternTool::~VPatternTool
+
+void
+VPatternTool::activate()
+{
+	m_active = true;
+	m_state = normal;
+	VTool::activate();
+	view()->statusMessage()->setText( i18n( "Pattern" ) );
+	view()->setCursor( TQCursor( TQt::crossCursor ) );
+
+	if( view() )
+	{
+		// disable selection handles
+		view()->part()->document().selection()->showHandle( false );
+		// connect to the stroke-fill-preview to get notice when the stroke or fill gets selected
+		VStrokeFillPreview* preview = view()->strokeFillPreview();
+		if( preview )
+		{
+			connect( preview, TQT_SIGNAL( fillSelected() ), this, TQT_SLOT( targetChanged() ) );
+			connect( preview, TQT_SIGNAL( strokeSelected() ), this, TQT_SLOT( targetChanged() ) );
+		}
+		view()->repaintAll( view()->part()->document().selection()->boundingBox() );
+	}
+}
+
+void
+VPatternTool::deactivate()
+{
+	m_active = false;
+
+	if( view() )
+	{
+		// enable selection handles
+		view()->part()->document().selection()->showHandle( true );
+		VStrokeFillPreview* preview = view()->strokeFillPreview();
+		if( preview )
+		{
+			disconnect( preview, TQT_SIGNAL( fillSelected() ), this, TQT_SLOT( targetChanged() ) );
+			disconnect( preview, TQT_SIGNAL( strokeSelected() ), this, TQT_SLOT( targetChanged() ) );
+		}
+		view()->repaintAll( view()->part()->document().selection()->boundingBox() );
+	}
+}
+
+
+TQString 
+VPatternTool::contextHelp()
+{
+	TQString s = i18n( "<qt><b>Pattern tool:</b><br>" );
+	s += i18n( "<i>Click</i> on the pattern you want in the chooser.<br>" );
+	s += i18n( "<i>Click and drag</i> to choose the pattern vector.</qt>" );
+	s += i18n( "<i>Press i or Shift+i</i> to decrease or increase the handle size.<br>" );
+	return s;
+} // VPatternTool::contextHelp
+
+void VPatternTool::draw()
+{
+	if( ! view() || view()->part()->document().selection()->objects().count() == 0 )
+		return;
+
+	VPainter *painter = view()->painterFactory()->editpainter();
+	painter->setRasterOp( TQt::NotROP );
+
+	painter->setPen( TQt::DotLine );
+	
+	// differentiate between moving a handle and creating a complete new vector
+	if( m_state == moveOrigin || m_state == moveVector )
+	{
+		painter->newPath();
+		painter->moveTo( m_fixed );
+		painter->lineTo( m_current );
+		painter->strokePath();
+		// draw the handle rects
+		painter->drawNode( m_fixed, m_handleSize );
+		painter->drawNode( m_current, m_handleSize );
+	}
+	else if( m_state == createNew )
+	{
+		painter->newPath();
+		painter->moveTo( first() );
+		painter->lineTo( m_current );
+		painter->strokePath();
+		// draw the handle rects
+		painter->drawNode( first(), m_handleSize );
+		painter->drawNode( m_current, m_handleSize );
+	}
+} // VPatternTool::draw
+
+bool 
+VPatternTool::getPattern( VPattern &pattern )
+{
+	if( ! view() ) 
+		return false;
+	
+	// determine if stroke of fill is selected for editing
+	//VStrokeFillPreview *preview = view()->strokeFillPreview();
+	//bool strokeSelected = ( preview && preview->strokeIsSelected() );
+	bool strokeSelected = false; // FIXME: stroke patterns don't work
+
+	VSelection* selection = view()->part()->document().selection();
+	if( selection->objects().count() != 1 ) 
+		return false;
+	
+	VObject *obj = selection->objects().getFirst();
+	// get the pattern of the first selected object, if any
+	if( strokeSelected && obj->stroke()->type() == VStroke::patt )
+		pattern = obj->stroke()->pattern();
+	else if( ! strokeSelected && obj->fill()->type() == VFill::patt )
+		pattern = obj->fill()->pattern();
+	else
+		return false;
+	
+	return true;
+}
+
+void 
+VPatternTool::draw( VPainter* painter )
+{
+	if( ! m_active )
+		return;
+
+	if( m_state != normal )
+		return;
+
+	if( ! getPattern( m_pattern ) )
+		return;
+
+	KoPoint s = m_pattern.origin();
+	KoPoint e = m_pattern.vector();
+
+	// save the handle rects for later inside testing
+	m_origin = KoRect( s.x()-m_handleSize, s.y()-m_handleSize, 2*m_handleSize, 2*m_handleSize );
+	m_vector = KoRect( e.x()-m_handleSize, e.y()-m_handleSize, 2*m_handleSize, 2*m_handleSize );
+
+	painter->setPen( TQt::blue.light() );
+	painter->setBrush( TQt::blue.light() );
+	painter->setRasterOp( TQt::XorROP );
+
+	// draw the pattern vector
+	painter->newPath();
+	painter->moveTo( s );
+	painter->lineTo( e );
+	painter->strokePath();
+	
+	// draw the handle rects
+	painter->drawNode( m_origin.center(), m_handleSize );
+	painter->drawNode( m_vector.center(), m_handleSize );
+}
+
+void
+VPatternTool::mouseDrag()
+{
+	if( m_state == normal ) 
+		return;
+
+	draw();
+
+	m_current = last();
+
+	draw();
+} // VPatternTool::mouseDrag
+
+void
+VPatternTool::mouseButtonPress()
+{
+	m_current = first();
+
+	// set the apropriate editing state
+	if( m_origin.contains( m_current ) )
+	{
+		m_state = moveOrigin;
+		m_fixed = m_vector.center();
+	}
+	else if( m_vector.contains( m_current ) )
+	{
+		m_state = moveVector;
+		m_fixed = m_origin.center();
+	}
+	else 
+		m_state = createNew;
+} // VPatternTool::mouseButtonPress
+
+void
+VPatternTool::mouseButtonRelease()
+{
+	m_state = normal;
+
+	if( view()->part()->document().selection()->objects().count() == 0 ) 
+		return;
+
+	// save old pattern position
+	VPattern oldPattern = m_pattern;
+
+	if( first() == last() )
+	{
+		if( showDialog() != TQDialog::Accepted )
+			return;
+	}
+
+	if( !m_optionsWidget->selectedPattern() )
+	{
+		KMessageBox::error( 0L, i18n( "Please select a pattern." ), "" );
+		return;
+	}
+
+	bool strokeSelected = false;
+
+	// determine the target from the stroke-fill-preview-widget
+	//VStrokeFillPreview* preview = view()->strokeFillPreview();
+	//if( preview && preview->strokeIsSelected() ) // FIXME: stroke patterns don't work
+	//	strokeSelected = true;
+
+	// calculate a sane intial position for the new pattern
+	if( view()->part()->document().selection()->objects().count() == 1 )
+	{
+		VObject *obj = view()->part()->document().selection()->objects().getFirst();
+
+		if( ( ! strokeSelected && obj->fill()->type() != VFill::patt ) || (strokeSelected &&  obj->stroke()->type() != VStroke::patt ) )
+		{
+			KoRect bbox = obj->boundingBox();
+			oldPattern.setOrigin( bbox.bottomLeft() + 0.5*(bbox.topLeft()-bbox.bottomLeft()) );
+			oldPattern.setVector( bbox.bottomRight() + 0.5*(bbox.topRight()-bbox.bottomRight()) );
+		}
+	}
+
+	m_pattern = *m_optionsWidget->selectedPattern();
+
+	// use the old pattern position
+	m_pattern.setOrigin( oldPattern.origin() );
+	m_pattern.setVector( oldPattern.vector() );
+
+	if( ! strokeSelected )
+	{
+		VFill fill;
+		fill.pattern() = m_pattern;
+		fill.setType( VFill::patt );
+		view()->part()->addCommand(
+			new VFillCmd( &view()->part()->document(), fill, "14_pattern" ), true );
+	}
+	else
+	{
+		VStroke stroke;
+		stroke.pattern() = m_pattern;
+		stroke.setType( VStroke::patt );
+		view()->part()->addCommand(
+			new VStrokeCmd( &view()->part()->document(), &stroke, "14_pattern" ), true );
+	}
+} // VPatternTool::mouseButtonRelease
+
+void
+VPatternTool::mouseDragRelease()
+{
+	if( ! view() || m_state == normal )
+		return;
+
+	if( view()->part()->document().selection()->objects().count() == 0 )
+	{
+		draw();
+		return;
+	}
+
+	if( !m_optionsWidget->selectedPattern() )
+	{
+		draw();
+		KMessageBox::error( 0L, i18n( "Please select a pattern." ), "" );
+		return;
+	}
+	//m_pattern = *m_optionsWidget->selectedPattern();
+
+	if( m_state == moveOrigin )
+		m_pattern.setOrigin( last() );
+	else if( m_state == moveVector )
+		m_pattern.setVector( last() );
+	else if( m_state == createNew )
+	{
+		m_pattern.setOrigin( first() );
+		m_pattern.setVector( last() );
+	}
+
+	m_state = normal;
+
+	VStrokeFillPreview* preview = view()->strokeFillPreview();
+	if( ! preview )
+		return;
+
+	//if( ! preview->strokeIsSelected() ) // FIXME: stroke patterns don't work
+	{
+		VFill fill;
+		fill.pattern() = m_pattern;
+		fill.setType( VFill::patt );
+		view()->part()->addCommand(
+			new VFillCmd( &view()->part()->document(), fill, "14_pattern" ), true );
+	}
+	/*
+	else
+	{
+		VStroke stroke;
+		stroke.pattern() = m_pattern;
+		stroke.setType( VStroke::patt );
+		view()->part()->addCommand(
+			new VStrokeCmd( &view()->part()->document(), &stroke, "14_pattern" ), true );
+	}
+	*/
+} // VPatternTool::mouseDragRelease
+
+void
+VPatternTool::cancel()
+{
+	// Erase old object:
+	if( isDragging() )
+		draw();
+	m_state = normal;
+}
+
+bool
+VPatternTool::showDialog() const
+{
+	return m_optionsWidget->exec() == TQDialog::Accepted;
+}
+
+void
+VPatternTool::setup( TDEActionCollection *collection )
+{
+	m_action = static_cast<TDERadioAction *>(collection -> action( name() ) );
+
+	if( m_action == 0 )
+	{
+		m_action = new TDERadioAction( i18n( "Pattern Tool" ), "14_pattern", TQt::SHIFT+TQt::Key_H, this, TQT_SLOT( activate() ), collection, name() );
+		m_action->setToolTip( i18n( "Pattern" ) );
+		m_action->setExclusiveGroup( "misc" );
+		//m_ownAction = true;
+	}
+}
+
+void
+VPatternTool::setCursor() const
+{
+	if( !view() ) return;
+
+	// set a different cursor if mouse is inside the handle rects
+	if( m_origin.contains( last() ) || m_vector.contains( last() ) )
+		view()->setCursor( TQCursor( TQt::SizeAllCursor ) );
+	else
+		view()->setCursor( TQCursor( TQt::arrowCursor ) );
+}
+
+bool 
+VPatternTool::keyReleased( TQt::Key key )
+{
+	// increase/decrease the handle size
+	switch( key )
+	{
+		case TQt::Key_I:
+			if( shiftPressed() ) 
+				m_handleSize++;
+			else if( m_handleSize > 3 )
+				m_handleSize--;
+		break;
+		default: return false;
+	}
+
+	if( view() )
+		view()->repaintAll( view()->part()->document().selection()->boundingBox() );
+
+	return true;
+}
+
+void 
+VPatternTool::targetChanged()
+{
+	if( view() ) 
+		view()->repaintAll( view()->part()->document().selection()->boundingBox() );
+}
+
+#include "vpatterntool.moc"