8e7a8c5a11
AbstractOutput is not so Abstract and it's common to avoid the word "Abstract" in class names as it doesn't contribute any new information. It also significantly reduces the line width in some places.
103 lines
2.2 KiB
C++
103 lines
2.2 KiB
C++
/*
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SPDX-FileCopyrightText: 2021 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#pragma once
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#include "item.h"
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namespace KDecoration2
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{
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class Decoration;
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}
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namespace KWin
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{
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class AbstractClient;
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class Deleted;
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class Toplevel;
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namespace Decoration
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{
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class DecoratedClientImpl;
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}
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class KWIN_EXPORT DecorationRenderer : public QObject
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{
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Q_OBJECT
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public:
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virtual void render(const QRegion ®ion) = 0;
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void invalidate();
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// TODO: Move damage tracking inside DecorationItem.
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QRegion damage() const;
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void addDamage(const QRegion ®ion);
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void resetDamage();
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qreal effectiveDevicePixelRatio() const;
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qreal devicePixelRatio() const;
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void setDevicePixelRatio(qreal dpr);
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// Reserve some space for padding. We pad decoration parts to avoid texture bleeding.
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static const int TexturePad = 1;
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Q_SIGNALS:
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void damaged(const QRegion ®ion);
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protected:
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explicit DecorationRenderer(Decoration::DecoratedClientImpl *client);
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Decoration::DecoratedClientImpl *client() const;
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bool areImageSizesDirty() const
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{
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return m_imageSizesDirty;
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}
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void resetImageSizesDirty()
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{
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m_imageSizesDirty = false;
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}
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QImage renderToImage(const QRect &geo);
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void renderToPainter(QPainter *painter, const QRect &rect);
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private:
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QPointer<Decoration::DecoratedClientImpl> m_client;
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QRegion m_damage;
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qreal m_devicePixelRatio = 1;
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bool m_imageSizesDirty;
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};
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/**
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* The DecorationItem class represents a server-side decoration.
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*/
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class KWIN_EXPORT DecorationItem : public Item
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{
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Q_OBJECT
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public:
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explicit DecorationItem(KDecoration2::Decoration *decoration, AbstractClient *window, Item *parent = nullptr);
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DecorationRenderer *renderer() const;
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private Q_SLOTS:
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void handleFrameGeometryChanged();
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void handleWindowClosed(Toplevel *original, Deleted *deleted);
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void handleOutputChanged();
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void handleOutputScaleChanged();
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protected:
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void preprocess() override;
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WindowQuadList buildQuads() const override;
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private:
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Toplevel *m_window;
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QPointer<Output> m_output;
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QPointer<KDecoration2::Decoration> m_decoration;
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QScopedPointer<DecorationRenderer> m_renderer;
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};
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} // namespace KWin
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