kwin/effects/zoom_config.cpp

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

Copyright (C) 2007 Rivo Laks <rivolaks@hot.ee>

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 "zoom_config.h"

#include <kwineffects.h>

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

#include <QVBoxLayout>
#ifndef KDE_USE_FINAL
KWIN_EFFECT_CONFIG_FACTORY
#endif
namespace KWin
{

ZoomEffectConfig::ZoomEffectConfig(QWidget* parent, const QVariantList& args) :
        KCModule(EffectFactory::componentData(), parent, args)
    {
    QVBoxLayout* layout = new QVBoxLayout(this);
    KActionCollection* actionCollection = new KActionCollection( this, componentData() );
    KAction* a;
    a = static_cast< KAction* >( actionCollection->addAction( KStandardAction::ZoomIn ));
    a->setProperty("isConfigurationAction", true);
    a->setGlobalShortcut(KShortcut(Qt::META + Qt::Key_Equal));

    a = static_cast< KAction* >( actionCollection->addAction( KStandardAction::ZoomOut ));
    a->setProperty("isConfigurationAction", true);
    a->setGlobalShortcut(KShortcut(Qt::META + Qt::Key_Minus));

    a = static_cast< KAction* >( actionCollection->addAction( KStandardAction::ActualSize ));
    a->setProperty("isConfigurationAction", true);
    a->setGlobalShortcut(KShortcut(Qt::META + Qt::Key_0));

    mShortcutEditor = new KShortcutsEditor(actionCollection, this,
            KShortcutsEditor::GlobalAction, KShortcutsEditor::LetterShortcutsDisallowed);
    connect(mShortcutEditor, SIGNAL(keyChange()), this, SLOT(changed()));
    layout->addWidget(mShortcutEditor);

    layout->addStretch();

    load();
    }

ZoomEffectConfig::~ZoomEffectConfig()
    {
    // Undo (only) unsaved changes to global key shortcuts
    mShortcutEditor->undoChanges();
    }

void ZoomEffectConfig::load()
    {
    KCModule::load();

    emit changed(false);
    }

void ZoomEffectConfig::save()
    {
    KCModule::save();

    mShortcutEditor->save();    // undo() will restore to this state from now on

    emit changed(false);
    EffectsHandler::sendReloadMessage( "zoom" );
    }

void ZoomEffectConfig::defaults()
    {
    mShortcutEditor->allDefault();
    emit changed(true);
    }


} // namespace

#include "zoom_config.moc"