plasma-framework/examples/kpart/containmentshell.cpp

/*
*   Copyright 2010 Ryan Rix <ry@n.rix.si>
*   Copyright 2010 Siddharth Sharma <siddharth.kde@gmail.com>
*
*   This program is free software; you can redistribute it and/or modify
*   it under the terms of the GNU Library General Public License version 2 as
*   published by the Free Software Foundation
*
*   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 Library General Public
*   License along with this program; if not, write to the
*   Free Software Foundation, Inc.,
*   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

#include "containmentshell.h"
#include "testshellpluginloader.h"
#include "appletselector.h"

#include <KService>
#include <KMessageBox>
#include <KDebug>
#include <KStandardAction>
#include <KActionCollection>

#include <Plasma/Containment>

#include <QApplication>

ContainmentShell::ContainmentShell()
    : KParts::MainWindow(),
      m_dialog(0)
{
    setXMLFile("plasma-kpart-shellui.rc");

    KAction *action = KStandardAction::quit(qApp, SLOT(quit()), actionCollection());
    action = new KAction("&Configure", actionCollection());
    connect(action, SIGNAL(triggered()), this, SLOT(optionsPreferences()));
    actionCollection()->addAction("options_configure", action);

    // this routine will find and load our Part.  it finds the Part by
    // name which is a bad idea usually.. but it's alright in this
    // case since our Part is made for this Shell
    KService::Ptr service = KService::serviceByDesktopPath("plasma-kpart.desktop");

    if (service) {
        Plasma::PluginLoader *loader = new TestShellPluginLoader();
        m_part = service->createInstance<KParts::ReadOnlyPart>(0, QVariantList() << qVariantFromValue(loader));

        if (m_part) {
            // tell the KParts::MainWindow that this is indeed the main widget
            setCentralWidget(m_part->widget());

            // and integrate the part's GUI with the shell's
            createGUI(m_part);
        } else {
            // For whatever reason the part didn't load
            KMessageBox::error(this, "Could not instantiate our Part!");
            qApp->quit();
        }
    } else {
        // if we couldn't find our Part, we exit since the Shell by
        // itself can't do anything useful
        KMessageBox::error(this, "Could not find our Part!");
        qApp->quit();
        // we return here, cause qApp->quit() only means "exit the
        // next time we enter the event loop...
        return;
    }

    // apply the saved mainwindow settings, if any, and ask the mainwindow
    // to automatically save settings if changed: window size, toolbar
    // position, icon size, etc.
    setAutoSaveSettings();
}

ContainmentShell::~ContainmentShell()
{
}

void ContainmentShell::optionsPreferences()
{
    if (!m_dialog) {
        m_dialog = new AppletSelector(m_part);
        connect(m_dialog, SIGNAL(addApplet(QString)), m_part, SLOT(addApplet(QString)));
    }
    m_dialog->show();
}