kwin/decorations/decorationrenderer.h
Martin Flöser 23ef40e638 Move the X11 Decoration Renderer into the X11 standalone platform
Summary:
Not needed except for X11/non-composited usage, so should be in the
plugin instead of core.

Platform API is extended to create a decoration renderer.

Reviewers: #kwin, #plasma

Subscribers: plasma-devel, kwin

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D7444
2017-09-01 17:49:32 +02:00

86 lines
2 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2014 Martin Gräßlin <mgraesslin@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. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#ifndef KWIN_DECORATION_RENDERER_H
#define KWIN_DECORATION_RENDERER_H
#include <QObject>
#include <QRegion>
#include <kwin_export.h>
namespace KWin
{
class Deleted;
namespace Decoration
{
class DecoratedClientImpl;
class KWIN_EXPORT Renderer : public QObject
{
Q_OBJECT
public:
virtual ~Renderer();
void schedule(const QRect &rect);
/**
* Reparents this Renderer to the @p deleted.
* After this call the Renderer is no longer able to render
* anything, client() returns a nullptr.
**/
virtual void reparent(Deleted *deleted);
Q_SIGNALS:
void renderScheduled(const QRect &geo);
protected:
explicit Renderer(DecoratedClientImpl *client);
/**
* @returns the scheduled paint region and resets
**/
QRegion getScheduled();
virtual void render() = 0;
DecoratedClientImpl *client() {
return m_client;
}
bool areImageSizesDirty() const {
return m_imageSizesDirty;
}
void resetImageSizesDirty() {
m_imageSizesDirty = false;
}
QImage renderToImage(const QRect &geo);
private:
DecoratedClientImpl *m_client;
QRegion m_scheduled;
bool m_imageSizesDirty;
};
}
}
#endif