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-rw-r--r--karbon/tools/vpatterntool.cpp509
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diff --git a/karbon/tools/vpatterntool.cpp b/karbon/tools/vpatterntool.cpp
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+/* 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"