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/* This file is part of the KDE project
Copyright (C) 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 "shadoweffectplugin.h"
#include "klocale.h"
#include <karbon_view.h>
#include <karbon_part.h>
#include <kgenericfactory.h>
#include <kdebug.h>
#include <tqgroupbox.h>
#include <tqlabel.h>
#include <knuminput.h>
#include <core/vgroup.h>
#include <core/vpath.h>
#include <core/vsegment.h>
#include <core/vselection.h>
#include <core/vdocument.h>
#include "vshadowdecorator.h"
typedef KGenericFactory<ShadowEffectPlugin, KarbonView> ShadowEffectPluginFactory;
K_EXPORT_COMPONENT_FACTORY( karbon_shadoweffectplugin, ShadowEffectPluginFactory( "karbonshadoweffectplugin" ) )
ShadowEffectPlugin::ShadowEffectPlugin( KarbonView *parent, const char* name, const TQStringList & )
: Plugin( TQT_TQOBJECT(parent), name )
{
new KAction(
i18n( "&Shadow Effect..." ), "shadowRB", 0, this,
TQT_SLOT( slotShadowEffect() ), actionCollection(), "object_shadow" );
m_shadowEffectDlg = new VShadowEffectDlg();
m_shadowEffectDlg->setDistance( 2 );
m_shadowEffectDlg->setAngle( 0 );
}
void
ShadowEffectPlugin::slotShadowEffect()
{
KarbonPart *part = ((KarbonView *)parent())->part();
if( part && m_shadowEffectDlg->exec() )
part->addCommand( new VCreateShadowCmd( &part->document(), m_shadowEffectDlg->distance(), m_shadowEffectDlg->angle(), double( m_shadowEffectDlg->opacity() ) / 255.0 ), true );
}
VShadowEffectDlg::VShadowEffectDlg( TQWidget* parent, const char* name )
: KDialogBase( parent, name, true, i18n( "Create Shadow Effect" ), Ok | Cancel )
{
// add input fields on the left:
TQGroupBox* group = new TQGroupBox( 2, Qt::Horizontal, i18n( "Properties" ), this );
new TQLabel( i18n( "Distance:" ), group );
m_distance = new KIntNumInput( group );
m_distance->setRange( -1000, 1000, 1, true );
m_distance->setValue( 2 );
new TQLabel( i18n( "Angle:" ), group );
m_angle = new KIntNumInput( group );
m_angle->setRange( 0, 360, 10, true );
m_angle->setValue( 0 );
new TQLabel( i18n( "Opacity:" ), group );
m_opacity = new KIntNumInput( group );
m_opacity->setRange( 0, 100, 1, true );
m_opacity->setValue( 100 );
group->setMinimumWidth( 300 );
m_opacity->setSuffix(i18n("%"));
// signals and slots:
connect( this, TQT_SIGNAL( okClicked() ), this, TQT_SLOT( accept() ) );
connect( this, TQT_SIGNAL( cancelClicked() ), this, TQT_SLOT( reject() ) );
setMainWidget( group );
}
void
VShadowEffectDlg::setDistance( int d )
{
m_distance->setValue( d );
}
void
VShadowEffectDlg::setAngle( int a )
{
m_angle->setValue( a );
}
void
VShadowEffectDlg::setOpacity( int o )
{
m_angle->setValue( o );
}
int
VShadowEffectDlg::distance() const
{
return m_distance->value();
}
int
VShadowEffectDlg::angle() const
{
return m_angle->value();
}
int
VShadowEffectDlg::opacity() const
{
return m_opacity->value();
}
VCreateShadowCmd::VCreateShadowCmd( VDocument* doc, int distance, int angle, float opacity )
: VCommand( doc, i18n( "Create Shadow" ) ), m_distance( distance ), m_angle( angle ), m_opacity( opacity )
{
// Set members.
m_oldObjects = document()->selection()->clone();
m_newObjects = 0L;
}
VCreateShadowCmd::~VCreateShadowCmd()
{
delete( m_oldObjects );
delete( m_newObjects );
}
void
VCreateShadowCmd::execute()
{
// Did we have at least once a success? Otherwise we don't get inserted
// into the command history.
bool successful = false;
// Create new shapes if they don't exist yet.
if( !m_newObjects )
{
m_newObjects = new VSelection();
// Pointer to temporary object.
VObject* newObject;
VObjectListIterator itr( m_oldObjects->objects() );
for( ; itr.current(); ++itr )
{
// Clone object and visit the clone.
VShadowDecorator *shadow = dynamic_cast<VShadowDecorator *>( itr.current() );
if( shadow )
{
//kdDebug() << "Its a decorator!!!" << endl;
shadow->setShadow( m_distance, m_angle, m_opacity );
newObject = 0L;
}
else
newObject = new VShadowDecorator( itr.current()->clone(), 0L, m_distance, m_angle, m_opacity );
successful = true;
if(newObject)
{
// Insert new shape right before old shape.
itr.current()->parent()->insertInfrontOf(
newObject, itr.current() );
// Add new shape to list of new objects.
m_newObjects->append( newObject );
}
}
}
// Nothing to do.
if( m_newObjects->objects().count() == 0 )
return;
VObjectListIterator itr( m_oldObjects->objects() );
// Hide old objects.
for( ; itr.current(); ++itr )
{
document()->selection()->take( *itr.current() );
itr.current()->setState( VObject::deleted );
}
// Show new objects.
for( itr = m_newObjects->objects(); itr.current(); ++itr )
{
itr.current()->setState( VObject::normal );
document()->selection()->append( itr.current() );
}
successful = true;
// Tell command history wether we had success at least once.
setSuccess( successful );
}
void
VCreateShadowCmd::unexecute()
{
// Nothing to do.
if( m_newObjects->objects().count() == 0 )
return;
VObjectListIterator itr( m_oldObjects->objects() );
// Show old objects.
for( ; itr.current(); ++itr )
{
itr.current()->setState( VObject::normal );
document()->selection()->append( itr.current() );
}
// Hide new objects.
for( itr = m_newObjects->objects(); itr.current(); ++itr )
{
document()->selection()->take( *itr.current() );
itr.current()->setState( VObject::deleted );
}
// Reset success for command history.
setSuccess( false );
}
#include "shadoweffectplugin.moc"
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