vstartool.cpp

/* 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 <tqlabel.h>
#include <tqgroupbox.h>
 
#include <tdelocale.h>
#include <knuminput.h>
#include <kcombobox.h>
 
#include <karbon_view.h>
#include <karbon_part.h>
#include <shapes/vstar.h>
#include "vstartool.h"
#include "KoUnitWidgets.h"
 
 
VStarOptionsWidget::VStarOptionsWidget( KarbonPart *part, TQWidget* parent, const char* name )
    : KDialogBase( parent, name, true, i18n( "Insert Star" ), Ok | Cancel ), m_part( part )
{
    TQGroupBox *group = new TQGroupBox( 2, TQt::Horizontal, i18n( "Properties" ), this );
    new TQLabel( i18n( "Type:" ), group );
    m_type = new KComboBox( false, group );
    m_type->insertItem( i18n( "Star Outline" ), VStar::star_outline );
    m_type->insertItem( i18n( "Spoke" ), VStar::spoke );
    m_type->insertItem( i18n( "Wheel" ), VStar::wheel );
    m_type->insertItem( i18n( "Polygon" ), VStar::polygon );
    m_type->insertItem( i18n( "Framed Star" ), VStar::framed_star);
    m_type->insertItem( i18n( "Star" ), VStar::star );
    m_type->insertItem( i18n( "Gear" ), VStar::gear );
    connect( m_type, TQ_SIGNAL( activated( int ) ), this, TQ_SLOT( typeChanged( int ) ) );
 
    // add width/height-input:
    m_outerRLabel = new TQLabel( i18n( "Outer radius:" ), group );
    m_outerR = new KoUnitDoubleSpinBox( group, 0.0, 1000.0, 0.5, 50.0, KoUnit::U_MM );
    connect( m_outerR, TQ_SIGNAL( valueChanged( double ) ), this, TQ_SLOT( setOuterRadius( double ) ) );
 
    m_innerRLabel = new TQLabel( i18n( "Inner radius:" ), group );
    m_innerR = new KoUnitDoubleSpinBox( group, 0.0, 1000.0, 0.5, 25.0, KoUnit::U_MM );
 
    refreshUnit();
 
    new TQLabel( i18n( "Edges:" ), group );
    m_edges = new KIntSpinBox( group );
    m_edges->setMinValue( 3 );
    connect( m_edges, TQ_SIGNAL( valueChanged( int ) ), this, TQ_SLOT( setEdges( int ) ) );
 
    new TQLabel( i18n( "Inner angle:" ), group );
    m_innerAngle = new KIntSpinBox( group );
    m_innerAngle->setMinValue( 0 );
    m_innerAngle->setMaxValue( 360 );
 
    new TQLabel( i18n( "Roundness:" ), group );
    m_roundness = new KDoubleNumInput( group );
    m_roundness->setRange( 0.0, 1.0, 0.05 );
 
    typeChanged( VStar::star_outline );
 
    group->setInsideMargin( 4 );
    group->setInsideSpacing( 2 );
 
    setMainWidget( group );
    setFixedSize( baseSize() );
}
 
void
VStarOptionsWidget::refreshUnit()
{
    m_outerR->setUnit( m_part->unit() );
    m_innerR->setUnit( m_part->unit() );
}
 
void
VStarOptionsWidget::setEdges( int v )
{
    m_edges->setValue( v );
 
    // set optimal inner radius
    if( type() == VStar::star )
        m_innerR->setValue( VStar::getOptimalInnerRadius( edges(), outerRadius(), innerAngle() ) );
}
 
void
VStarOptionsWidget::setInnerRadius( double v )
{
    m_innerR->changeValue( v );
}
 
void
VStarOptionsWidget::setOuterRadius( double v )
{
    m_outerR->setValue( v );
 
    // set optimal inner radius
    if( type() == VStar::star )
        m_innerR->setValue( VStar::getOptimalInnerRadius( edges(), outerRadius(), innerAngle() ) );
}
 
double
VStarOptionsWidget::roundness() const
{
    return m_roundness->value();
}
 
int
VStarOptionsWidget::edges() const
{
    return m_edges->value();
}
 
double
VStarOptionsWidget::innerRadius() const
{
    return m_innerR->value();
}
 
double
VStarOptionsWidget::outerRadius() const
{
    return m_outerR->value();
}
 
uint
VStarOptionsWidget::type() const
{
    return m_type->currentItem();
}
 
uint
VStarOptionsWidget::innerAngle() const
{
    return m_innerAngle->value();
}
 
void
VStarOptionsWidget::typeChanged( int type )
{
    m_innerR->setEnabled( type == VStar::star || type == VStar::star_outline || type == VStar::framed_star || type == VStar::gear );
    m_innerAngle->setEnabled( type == VStar::star || type == VStar::star_outline || type == VStar::framed_star || type == VStar::gear );
 
    // set optimal inner radius
    if( type == VStar::star )
        m_innerR->changeValue( VStar::getOptimalInnerRadius( edges(), outerRadius(), innerAngle() ) );
}
 
VStarTool::VStarTool( KarbonView *view )
    : VShapeTool( view, "tool_star", true )
{
    // create config dialog:
    m_optionsWidget = new VStarOptionsWidget( view->part() );
    m_optionsWidget->setEdges( 5 );
    registerTool( this );
}
 
void VStarTool::refreshUnit()
{
    m_optionsWidget->refreshUnit();
}
 
VStarTool::~VStarTool()
{
    delete( m_optionsWidget );
}
 
void
VStarTool::arrowKeyReleased( TQt::Key key )
{
    int change = 0;
    if( key == TQt::Key_Up )
        change = 1;
    else if( key == TQt::Key_Down )
        change = -1;
 
    if( change != 0 )
    {
        draw();
 
        m_optionsWidget->setEdges( m_optionsWidget->edges() + change );
 
        draw();
    }
}
 
VPath*
VStarTool::shape( bool interactive ) const
{
    if( interactive )
    {
        return
            new VStar(
                0L,
                m_p,
                m_optionsWidget->outerRadius(),
                m_optionsWidget->innerRadius(),
                m_optionsWidget->edges(), 0.0, m_optionsWidget->innerAngle(),
                m_optionsWidget->roundness(), (VStar::VStarType)m_optionsWidget->type() );
    }
    else
        return
            new VStar(
                0L,
                m_p,
                m_d1,
                m_optionsWidget->innerRadius() * m_d1 /
                m_optionsWidget->outerRadius(),
                m_optionsWidget->edges(),
                m_d2, m_optionsWidget->innerAngle(),
                m_optionsWidget->roundness(), (VStar::VStarType)m_optionsWidget->type() );
}
 
bool
VStarTool::showDialog() const
{
    return m_optionsWidget->exec() == TQDialog::Accepted;
}
 
void
VStarTool::setup( TDEActionCollection *collection )
{
    m_action = static_cast<TDERadioAction *>(collection -> action( name() ) );
 
    if( m_action == 0 )
    {
        TDEShortcut shortcut( TQt::Key_Plus );
        shortcut.append(TDEShortcut( TQt::Key_F9 ) );
        m_action = new TDERadioAction( i18n( "Star Tool" ), "14_star", shortcut, this, TQ_SLOT( activate() ), collection, name() );
        m_action->setToolTip( i18n( "Draw a star" ) );
        m_action->setExclusiveGroup( "shapes" );
        //m_ownAction = true;
    }
}
 
#include "vstartool.moc"