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Diffstat (limited to 'karbon/widgets/vgradienttabwidget.cc')
| -rw-r--r-- | karbon/widgets/vgradienttabwidget.cc | 343 |
1 files changed, 343 insertions, 0 deletions
diff --git a/karbon/widgets/vgradienttabwidget.cc b/karbon/widgets/vgradienttabwidget.cc new file mode 100644 index 00000000..44bb53bc --- /dev/null +++ b/karbon/widgets/vgradienttabwidget.cc @@ -0,0 +1,343 @@ +/* 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 <qlabel.h> +#include <qpainter.h> +#include <qlayout.h> +#include <qgroupbox.h> +#include <qpushbutton.h> +#include <qfileinfo.h> +#include <qpixmap.h> + +#include <knuminput.h> +#include <kcombobox.h> +#include <klocale.h> +#include <klistbox.h> +#include <kiconloader.h> + +#include "vgradientwidget.h" +#include "vgradienttabwidget.h" +#include "karbon_resourceserver.h" +#include "vkopainter.h" +#include "vfill.h" + +VGradientListItem::VGradientListItem( const VGradient& gradient, QString filename ) + : QListBoxItem( 0L ), m_filename( filename ) +{ + m_gradient = new VGradient( gradient ); + + m_pixmap.resize( 200, 16 ); + VKoPainter gp( &m_pixmap, m_pixmap.width(), m_pixmap.height() ); + gp.setRasterOp( Qt::XorROP ); + gp.newPath(); + VGradient grad( *m_gradient ); + grad.setOrigin( KoPoint( 0, 0 ) ); + grad.setVector( KoPoint( m_pixmap.width() - 1, 0 ) ); + grad.setType( VGradient::linear ); + VFill fill; + fill.gradient() = grad; + fill.setType( VFill::grad ); + gp.setBrush( fill ); + gp.moveTo( KoPoint( 0, 0 ) ); + gp.lineTo( KoPoint( 0, m_pixmap.height() - 1 ) ); + gp.lineTo( KoPoint( m_pixmap.width() - 1, m_pixmap.height() - 1 ) ); + gp.lineTo( KoPoint( m_pixmap.width() - 1, 0 ) ); + gp.lineTo( KoPoint( 0, 0 ) ); + gp.fillPath(); + gp.end(); + + m_delete = QFileInfo( filename ).isWritable(); +} // VGradientListItem::VGradientListItem + +VGradientListItem::VGradientListItem( const VGradientListItem& gradient ) + : QListBoxItem( 0L ) +{ + m_pixmap = gradient.m_pixmap; + m_delete = gradient.m_delete; + m_gradient = new VGradient( *gradient.gradient() ); + m_filename = gradient.m_filename; +} // VGradientListItem::VGradientListItem + +VGradientListItem::~VGradientListItem() +{ + delete m_gradient; +} // VGradientListItem::~VGradientListItem + +int VGradientListItem::width( const QListBox* lb ) const +{ + return lb->width() - 25; +} // VGradientListItem::width + +void VGradientListItem::paint( QPainter* painter ) +{ + painter->save(); + painter->setRasterOp( Qt::CopyROP ); + QRect r ( 0, 0, width( listBox() ), height( listBox() ) ); + painter->scale( ( (float)( width( listBox() ) ) ) / 200., 1. ); + painter->drawPixmap( 0, 0, m_pixmap ); + painter->restore(); + if ( isSelected() ) + painter->setPen( listBox()->colorGroup().highlightedText() ); + else + painter->setPen( listBox()->colorGroup().base() ); + painter->drawRect( r ); + painter->flush(); +} // VGradientListItem::paint + +VGradientPreview::VGradientPreview( VGradient& gradient, double& opacity, QWidget* parent, const char* name ) + : QWidget( parent, name ), m_gradient( &gradient ), m_opacity( &opacity ) +{ + setBackgroundMode( Qt::NoBackground ); + setMinimumSize( 70, 70 ); +} // VGradientPreview::VGradientPreview + +VGradientPreview::~VGradientPreview() +{ +} // VGradientPreview::~VGradientPreview + +void VGradientPreview::paintEvent( QPaintEvent* ) +{ + QPixmap pixmap( width(), height() ); + VKoPainter gp( &pixmap, width(), height() ); + gp.setRasterOp( Qt::XorROP ); + gp.newPath(); + VGradient gradient( *m_gradient ); + if( gradient.type() == VGradient::radial || gradient.type() == VGradient::conic ) + { + gradient.setOrigin( KoPoint( width() / 2, height() / 2 ) ); + gradient.setFocalPoint( KoPoint( width() / 2, height() / 2 ) ); + gradient.setVector( KoPoint( width() / 4, height() / 4 ) ); + } + else + { + gradient.setOrigin( KoPoint( width() / 3, 2 * ( height() / 3 ) ) ); + gradient.setVector( KoPoint( 2 * ( width() / 3 ), height() / 3 ) ); + } + VFill fill; + KIconLoader il; + fill.pattern() = VPattern( il.iconPath( "karbon.png", KIcon::Small ) ); + fill.setType( VFill::patt ); + gp.setBrush( fill ); + gp.fillPath(); + fill.gradient() = gradient; + fill.setType( VFill::grad ); + VColor c = fill.color(); + c.setOpacity( *m_opacity ); + fill.setColor( c, false ); + gp.setBrush( fill ); + gp.moveTo( KoPoint( 2, 2 ) ); + gp.lineTo( KoPoint( 2, height() - 2 ) ); + gp.lineTo( KoPoint( width() - 2, height() - 2 ) ); + gp.lineTo( KoPoint( width() - 2, 2 ) ); + gp.lineTo( KoPoint( 2, 2 ) ); + gp.fillPath(); + gp.end(); + + QPainter p( &pixmap ); + + p.setPen( colorGroup().light() ); + p.moveTo( 1, height() - 1 ); + p.lineTo( 1, 1 ); + p.lineTo( width() - 1, 1 ); + p.lineTo( width() - 1, height() - 1 ); + p.lineTo( 1, height() - 1 ); + p.setPen( colorGroup().dark() ); + p.moveTo( 0, height() - 1 ); + p.lineTo( 0, 0 ); + p.lineTo( width() - 1, 0 ); + p.moveTo( width() - 2, 2 ); + p.lineTo( width() - 2, height() - 2 ); + p.lineTo( 2, height() - 2 ); + bitBlt( this, 0, 0, &pixmap, 0, 0, width(), height() ); +} // VGradientPreview::paintEvent + +VGradientTabWidget::VGradientTabWidget( VGradient& gradient, KarbonResourceServer* server, QWidget* parent, const char* name ) + : QTabWidget( parent, name ), m_gradient( gradient ), m_resourceServer( server ) +{ + setupUI(); + setupConnections(); + initUI(); +} // VGradientTabWidget::VGradientTabWidget + +VGradientTabWidget::~VGradientTabWidget() +{ +} // VGradientTabWidget::~VGradientTabWidget + +void VGradientTabWidget::setupUI() +{ + m_editGroup = new QGroupBox( i18n( "Edit Gradient" ) ); + QGridLayout* editLayout = new QGridLayout( m_editGroup, 7, 3 ); + editLayout->setSpacing( 3 ); + editLayout->setMargin( 6 ); + editLayout->addRowSpacing( 0, 12 ); + editLayout->addMultiCellWidget( m_gradientPreview = new VGradientPreview( m_gradient, m_gradOpacity, m_editGroup ), 1, 3, 0, 0 ); + editLayout->addWidget( new QLabel( i18n( "Type:" ), m_editGroup ), 1, 1 ); + editLayout->addWidget( new QLabel( i18n( "Repeat:" ), m_editGroup ), 2, 1 ); + editLayout->addWidget( new QLabel( i18n( "Target:" ), m_editGroup ), 3, 1 ); + editLayout->addWidget( m_gradientType = new KComboBox( false, m_editGroup ), 1, 2 ); + m_gradientType->insertItem( i18n( "Linear" ), 0 ); + m_gradientType->insertItem( i18n( "Radial" ), 1 ); + m_gradientType->insertItem( i18n( "Conical" ), 2 ); + editLayout->addWidget( m_gradientRepeat = new KComboBox( false, m_editGroup ), 2, 2 ); + m_gradientRepeat->insertItem( i18n( "None" ), 0 ); + m_gradientRepeat->insertItem( i18n( "Reflect" ), 1 ); + m_gradientRepeat->insertItem( i18n( "Repeat" ), 2 ); + editLayout->addWidget( m_gradientTarget = new KComboBox( false, m_editGroup ), 3, 2 ); + m_gradientTarget->insertItem( i18n( "Stroke" ), 0 ); + m_gradientTarget->insertItem( i18n( "Fill" ), 1 ); + editLayout->addMultiCellWidget( m_addToPredefs = new QPushButton( i18n( "&Add to Predefined Gradients" ), m_editGroup ), 6, 6, 0, 2 ); + editLayout->addMultiCellWidget( m_gradientWidget = new VGradientWidget( m_gradient, m_editGroup ), 4, 4, 0, 2 ); + editLayout->addWidget( new QLabel( i18n( "Overall opacity:" ), m_editGroup ), 5, 0 ); + m_opacity = new KIntNumInput( 100, m_editGroup ); + m_opacity->setRange( 0, 100, 1, true ); + m_opacity->setValue( 100 ); + editLayout->addMultiCellWidget( m_opacity, 5, 5, 1, 2 ); + addTab( m_editGroup, i18n( "Edit" ) ); + + QGroupBox* predefGroup = new QGroupBox( i18n( "Predefined Gradients" ) ); + QGridLayout* predefLayout = new QGridLayout( predefGroup, 3, 2 ); + predefLayout->setSpacing( 3 ); + predefLayout->setMargin( 6 ); + predefLayout->addRowSpacing( 0, 12 ); + predefLayout->addMultiCellWidget( m_predefGradientsView = new KListBox( predefGroup ), 1, 1, 0, 2 ); + predefLayout->addWidget( m_predefDelete = new QPushButton( i18n( "&Delete" ), predefGroup ), 2, 0 ); + predefLayout->addWidget( m_predefImport = new QPushButton( i18n( "&Import" ), predefGroup ), 2, 1 ); + m_predefImport->setEnabled( false ); + addTab( predefGroup, i18n( "Predefined" ) ); +} // VGradientTabWidget::setupUI + +void VGradientTabWidget::setupConnections() +{ + connect( m_gradientType, SIGNAL( activated( int ) ), this, SLOT( combosChange( int ) ) ); + connect( m_gradientRepeat, SIGNAL( activated( int ) ), this, SLOT( combosChange( int ) ) ); + connect( m_gradientWidget, SIGNAL( changed() ), m_gradientPreview, SLOT( update() ) ); + connect( m_addToPredefs, SIGNAL( clicked() ), this, SLOT( addGradientToPredefs() ) ); + connect( m_predefGradientsView, SIGNAL( doubleClicked( QListBoxItem *, const QPoint & ) ), this, SLOT( changeToPredef( QListBoxItem* ) ) ); + connect( m_predefDelete, SIGNAL( clicked() ), this, SLOT( deletePredef() ) ); + connect( m_opacity, SIGNAL( valueChanged( int ) ), this, SLOT( opacityChanged( int ) ) ); +} // VGradientTabWidget::setupConnection + +void VGradientTabWidget::initUI() +{ + m_gradientType->setCurrentItem( m_gradient.type() ); + m_gradientRepeat->setCurrentItem( m_gradient.repeatMethod() ); + m_gradientTarget->setCurrentItem( FILL ); + m_opacity->setValue( 100 ); + + m_predefGradientsView->clear(); + QPtrList<VGradientListItem>* gradientList = m_resourceServer->gradients(); + if( gradientList->count() > 0 ) + for( VGradientListItem* g = gradientList->first(); g != NULL; g = gradientList->next() ) + m_predefGradientsView->insertItem( new VGradientListItem( *g ) ); +} // VGradientTabWidget::initUI + +double +VGradientTabWidget::opacity() const +{ + return m_opacity->value() / 100.0; +} + +void +VGradientTabWidget::setOpacity( double opacity ) +{ + if( opacity < 0.0 || opacity > 1.0 ) + return; + + m_gradOpacity = opacity; + m_opacity->setValue( int(opacity*100.0) ); +} + +const VGradient& +VGradientTabWidget::gradient() +{ + return m_gradient; +} // VGradientTabWidget::gradient + +void VGradientTabWidget::setGradient( VGradient& gradient ) +{ + m_gradient = gradient; + + initUI(); +} // VGradientTabWidget::setGradient + +VGradientTabWidget::VGradientTarget VGradientTabWidget::target() +{ + return (VGradientTarget)m_gradientTarget->currentItem(); +} // VGradientTabWidget::target + +void VGradientTabWidget::setTarget( VGradientTarget target ) +{ + m_gradientTarget->setCurrentItem( target ); +} // VGradientTabWidget::setTarget + +void VGradientTabWidget::combosChange( int ) +{ + m_gradient.setType( (VGradient::VGradientType)m_gradientType->currentItem() ); + m_gradient.setRepeatMethod( (VGradient::VGradientRepeatMethod)m_gradientRepeat->currentItem() ); + + m_gradientPreview->update(); +} // VGradientTabWidget::combosChange + +void VGradientTabWidget::opacityChanged( int value ) +{ + m_gradOpacity = value / 100.0; + m_gradientPreview->update(); +} + +void VGradientTabWidget::addGradientToPredefs() +{ + VGradientListItem* item = m_resourceServer->addGradient( new VGradient( m_gradient ) ); + m_predefGradientsView->insertItem( item ); +} // VGradientTabWidget::addGradientToPredefs() + +void VGradientTabWidget::predefSelected( QListBoxItem* item ) +{ + if( item ) + { + VGradientListItem* gradientItem = (VGradientListItem*)item; + m_predefDelete->setEnabled( gradientItem->canDelete() ); + } +} // VGradientTabWidget::predefSelected + +void VGradientTabWidget::changeToPredef( QListBoxItem* item ) +{ + if( item ) + { + VGradientListItem* gradientItem = (VGradientListItem*)item; + m_gradient = *gradientItem->gradient(); + m_gradientType->setCurrentItem( m_gradient.type() ); + m_gradientRepeat->setCurrentItem( m_gradient.repeatMethod() ); + m_opacity->setValue( 100 ); + m_gradientPreview->update(); + m_gradientWidget->update(); + showPage( m_editGroup ); + } +} // VGradientTabWidget::changeToPredef + +void VGradientTabWidget::deletePredef() +{ + int i = m_predefGradientsView->currentItem(); + if( !m_predefGradientsView->item( i ) ) + return; + m_resourceServer->removeGradient( (VGradientListItem*)m_predefGradientsView->item( i ) ); + m_predefGradientsView->removeItem( i ); +} // VGradientTabWidget::deletePredef + +#include "vgradienttabwidget.moc" + |