kde-workspace/kdm/kfrontend/krootimage.h
2014-11-13 19:30:51 +02:00

101 lines
2.5 KiB
C++

/*
Copyright (C) 1999 Matthias Hoelzer-Kluepfel <hoelzer@kde.org>
Copyright (C) 2002,2004 Oswald Buddenhagen <ossi@kde.org>
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; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef __KDM_KROOTIMAGE_H__
#define __KDM_KROOTIMAGE_H__
#include <bgrender.h>
#include <QApplication>
#include <QTimer>
/**
* In xinerama mode, each screen is rendered separately by KBackgroundRenderer.
* This class controls a set of renderers for a desktop, and collates the
* images. Usage is similar to KBackgroundRenderer: connect to the imageDone
* signal.
*/
class KVirtualBGRenderer : public QObject {
Q_OBJECT
public:
explicit KVirtualBGRenderer(const KSharedConfigPtr &config);
~KVirtualBGRenderer();
KBackgroundRenderer * renderer(unsigned screen);
unsigned numRenderers() const { return m_numRenderers; }
QPixmap pixmap();
bool needProgramUpdate();
void programUpdate();
bool needWallpaperChange();
void changeWallpaper();
void desktopResized();
void load(bool reparseConfig = true);
void start();
void stop();
void cleanup();
void saveCacheFile();
void enableTiling(bool enable);
signals:
void imageDone();
private slots:
void screenDone(int screen);
private:
QSize renderSize(int screen); // the size the renderer should be
void initRenderers();
KSharedConfigPtr m_pConfig;
float m_scaleX;
float m_scaleY;
int m_numRenderers;
bool m_bDrawBackgroundPerScreen;
bool m_bCommonScreen;
QSize m_size;
QVector<bool> m_bFinished;
QVector<KBackgroundRenderer *> m_renderer;
QPixmap *m_pPixmap;
};
class MyApplication : public QApplication {
Q_OBJECT
public:
MyApplication(const char *conf, int &argc, char **argv);
private Q_SLOTS:
void renderDone();
void slotTimeout();
private:
KVirtualBGRenderer renderer;
QTimer timer;
};
#endif // __KDM_KROOTIMAGE_H__