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koffice/karbon/tools/vsheartool.cc

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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 <math.h>
#include <qcursor.h>
#include <qlabel.h>
#include <klocale.h>
#include <KoRect.h>
#include <karbon_part.h>
#include <karbon_view.h>
#include <render/vpainter.h>
#include <render/vpainterfactory.h>
#include <vselection.h>
#include "vsheartool.h"
#include <commands/vtransformcmd.h>
VShearTool::VShearTool( KarbonView *view ) : VTool( view, "sheartool" )
{
setName( "tool_shear" );
m_objects.setAutoDelete( true );
registerTool( this );
}
VShearTool::~VShearTool()
{
}
void
VShearTool::activate()
{
view()->setCursor( QCursor( Qt::arrowCursor ) );
view()->part()->document().selection()->showHandle( true );
view()->part()->document().selection()->setState( VObject::selected );
VTool::activate();
}
QString
VShearTool::statusText()
{
return i18n( "Shear" );
}
void
VShearTool::draw()
{
VPainter* painter = view()->painterFactory()->editpainter();
painter->setRasterOp( Qt::NotROP );
VObjectListIterator itr = m_objects;
for( ; itr.current(); ++itr )
itr.current()->draw( painter, &itr.current()->boundingBox() );
}
void
VShearTool::setCursor() const
{
if( isDragging() ) return;
switch( view()->part()->document().selection()->handleNode( last() ) )
{
case node_lt:
case node_rb:
view()->setCursor( QCursor( Qt::SizeFDiagCursor ) );
break;
case node_rt:
case node_lb:
view()->setCursor( QCursor( Qt::SizeBDiagCursor ) );
break;
case node_lm:
case node_rm:
view()->setCursor( QCursor( Qt::SizeHorCursor ) );
break;
case node_mt:
case node_mb:
view()->setCursor( QCursor( Qt::SizeVerCursor ) );
break;
default:
view()->setCursor( QCursor( Qt::arrowCursor ) );
}
}
void
VShearTool::mouseButtonPress()
{
view()->painterFactory()->painter()->end();
m_activeNode = view()->part()->document().selection()->handleNode( first() );
recalc();
// Draw new object:
draw();
}
void
VShearTool::mouseDrag( )
{
// Erase old object:
draw();
recalc();
// Draw new object:
draw();
}
void
VShearTool::mouseDragRelease()
{
view()->part()->addCommand(
new VShearCmd( &view()->part()->document(), m_center, m_s1, m_s2, altPressed() ),
true );
}
void
VShearTool::cancel()
{
// Erase old object:
if ( isDragging() )
{
draw();
view()->repaintAll( view()->part()->document().selection()->boundingBox() );
}
}
void
VShearTool::recalc()
{
KoRect rect = view()->part()->document().selection()->boundingBox();
if( m_activeNode == node_lt )
{
}
else if( m_activeNode == node_mt )
{
m_s1 = 0;
m_s2 = ( last().y() - first().y() ) / double( ( rect.height() / 2 ) );
}
else if( m_activeNode == node_rt )
{
}
else if( m_activeNode == node_rm)
{
m_s1 = ( last().x() - first().x() ) / double( ( rect.width() / 2 ) );
m_s2 = 0;
}
else if( m_activeNode == node_rb )
{
}
else if( m_activeNode == node_mb )
{
m_s1 = 0;
m_s2 = ( last().y() - first().y() ) / double( ( rect.height() / 2 ) );
}
else if( m_activeNode == node_lb )
{
}
else if( m_activeNode == node_lm )
{
m_s1 = ( last().x() - first().x() ) / double( ( rect.width() / 2 ) );
m_s2 = 0;
}
// Get center:
m_center = view()->part()->document().selection()->boundingBox().center();
VShearCmd cmd( 0L, m_center, m_s1, m_s2 );
// Copy selected objects and transform:
m_objects.clear();
VObject* copy;
VObjectListIterator itr = view()->part()->document().selection()->objects();
for ( ; itr.current() ; ++itr )
{
if( itr.current()->state() != VObject::deleted )
{
copy = itr.current()->clone();
cmd.visit( *copy );
copy->setState( VObject::edit );
m_objects.append( copy );
}
}
}
void
VShearTool::setup( KActionCollection *collection )
{
m_action = static_cast<KRadioAction *>(collection -> action( name() ) );
if( m_action == 0 )
{
m_action = new KRadioAction( i18n( "Shear Tool" ), "14_shear", Qt::SHIFT+Qt::Key_H, this, SLOT( activate() ), collection, name() );
m_action->setToolTip( i18n( "Shear" ) );
m_action->setExclusiveGroup( "manipulation" );
//m_ownAction = true;
}
}