kde-playground/kdepimlibs/akonadi/erroroverlay_p.h
2015-04-14 21:49:29 +00:00

77 lines
2 KiB
C++

/*
Copyright (c) 2008 Volker Krause <vkrause@kde.org>
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.
*/
#ifndef AKONADI_ERROROVERLAY_P_H
#define AKONADI_ERROROVERLAY_P_H
#include "servermanager.h"
#include <QtCore/QPointer>
#include <QWidget>
#include <boost/scoped_ptr.hpp>
namespace Ui {
class ErrorOverlay;
}
namespace Akonadi {
/**
* @internal
* Overlay widget to block Akonadi-dependent widgets if the Akonadi server
* is unavailable.
* @todo handle initial parent == 0 case correctly, reparent later and hide as long as parent widget is 0
* @todo fix hiding in dock widget tabs
*/
class ErrorOverlay : public QWidget
{
Q_OBJECT
public:
/**
* Create an overlay widget for @p baseWidget.
* @p baseWidget must not be null.
* @p parent must not be equal to @p baseWidget
*/
explicit ErrorOverlay(QWidget *baseWidget, QWidget *parent = 0);
~ErrorOverlay();
protected:
bool eventFilter(QObject *object, QEvent *event);
private:
void reposition();
private Q_SLOTS:
void startClicked();
void quitClicked();
void selfTestClicked();
void serverStateChanged(Akonadi::ServerManager::State state);
private:
QPointer<QWidget> mBaseWidget;
bool mPreviousState;
bool mOverlayActive;
bool mBaseWidgetIsParent;
boost::scoped_ptr<Ui::ErrorOverlay> ui;
};
}
#endif