/********************************************************************
 KWin - the KDE window manager
 This file is part of the KDE project.

Copyright (C) 2007 Rivo Laks <rivolaks@hot.ee>
Copyright (C) 2010 Jorge Mata <matamax123@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/

#include <kwineffects.h>

#include <klocale.h>
#include <kdebug.h>
#include <kaction.h>
#include <KActionCollection>
#include <KShortcutsEditor>

#include <QVBoxLayout>
#include <QLabel>

#include "trackmouse_config.h"

namespace KWin
{

KWIN_EFFECT_CONFIG_FACTORY

TrackMouseEffectConfigForm::TrackMouseEffectConfigForm( QWidget* parent ) : QWidget( parent )
    {
    setupUi( this );
    }

TrackMouseEffectConfig::TrackMouseEffectConfig( QWidget* parent, const QVariantList& args ) :
        KCModule( EffectFactory::componentData(), parent, args )
    {

    m_ui = new TrackMouseEffectConfigForm( this );
    QVBoxLayout* layout = new QVBoxLayout( this );
    layout->addWidget( m_ui );
    connect( m_ui->editor, SIGNAL( keyChange() ), this, SLOT( changed() ) );
    connect( m_ui->alt, SIGNAL( stateChanged( int ) ), this, SLOT( changed() ) );
    connect( m_ui->control, SIGNAL( stateChanged( int ) ), this, SLOT( changed() ) );
    connect( m_ui->meta, SIGNAL( stateChanged( int ) ), this, SLOT( changed() ) );
    connect( m_ui->shift, SIGNAL( stateChanged( int ) ), this, SLOT( changed() ) );
    connect( m_ui->alt, SIGNAL( toggled( bool ) ), this, SLOT( enableEditor( bool ) ) );
    connect( m_ui->control, SIGNAL( toggled( bool ) ), this, SLOT( enableEditor( bool ) ) );
    connect( m_ui->meta, SIGNAL( toggled( bool ) ), this, SLOT( enableEditor( bool ) ) );
    connect( m_ui->shift, SIGNAL( toggled( bool ) ), this, SLOT( enableEditor( bool ) ) );
    m_actionCollection = new KActionCollection( this, KComponentData( "kwin" ) );
    m_actionCollection->setConfigGroup( "TrackMouse" );
    m_actionCollection->setConfigGlobal( true );

    action = static_cast< KAction* >( m_actionCollection->addAction( "TrackMouse" ) );
    action->setText( i18n( "Track mouse" ) );
    action->setProperty("isConfigurationAction", true);
    action->setGlobalShortcut( KShortcut() );

    m_ui->editor->addCollection( m_actionCollection );

    load();
    }

TrackMouseEffectConfig::~TrackMouseEffectConfig()
    {
    m_ui->editor->undoChanges();
    }

void TrackMouseEffectConfig::load()
    {
    KCModule::load();
    KConfigGroup conf = EffectsHandler::effectConfig( "TrackMouse" );
    m_ui->meta->setChecked( conf.readEntry( "Meta", true ) );
    m_ui->control->setChecked( conf.readEntry( "Control", true ) );
    m_ui->alt->setChecked( conf.readEntry( "Alt", false ) );
    m_ui->shift->setChecked( conf.readEntry( "Shift", false ) );
    emit changed( false );
    }

void TrackMouseEffectConfig::save()
    {
    KConfigGroup conf = EffectsHandler::effectConfig( "TrackMouse" );
    conf.writeEntry( "Shift", m_ui->shift->isChecked() );
    conf.writeEntry( "Alt", m_ui->alt->isChecked() );
    conf.writeEntry( "Control", m_ui->control->isChecked() );
    conf.writeEntry( "Meta", m_ui->meta->isChecked() );
    m_ui->editor->save();
    conf.sync();
    emit changed( false );
    EffectsHandler::sendReloadMessage( "trackmouse" );
    }

void TrackMouseEffectConfig::defaults()
    {
    m_ui->editor->allDefault();
    m_ui->meta->setChecked( true );
    m_ui->control->setChecked( true );
    m_ui->alt->setChecked( false );
    m_ui->shift->setChecked( false );
    emit changed( true );
    }

void TrackMouseEffectConfig::enableEditor( bool enabled )
    {
    if( !enabled && !m_ui->alt->isChecked() && !m_ui->shift->isChecked() && !m_ui->meta->isChecked() && !m_ui->control->isChecked() )
        {
        m_ui->editor->setEnabled( true );
        action->setGlobalShortcut( KShortcut() );
        emit changed( true );
        }
    else if( enabled && ( m_ui->alt->isChecked() || m_ui->shift->isChecked() || m_ui->meta->isChecked() || m_ui->control->isChecked() ) )
        {
        m_ui->editor->setEnabled( false );
        action->forgetGlobalShortcut();
        emit changed(true);
        }
    emit changed( true );
    }

} // namespace

#include "trackmouse_config.moc"