196 lines
5 KiB
C++
196 lines
5 KiB
C++
/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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SPDX-FileCopyrightText: 2013 Martin Gräßlin <mgraesslin@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef KWIN_SCENE_QPAINTER_H
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#define KWIN_SCENE_QPAINTER_H
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#include "scene.h"
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#include <platformsupport/scenes/qpainter/qpainterbackend.h>
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#include "shadow.h"
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#include "decorations/decorationrenderer.h"
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namespace KWin {
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class KWIN_EXPORT SceneQPainter : public Scene
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{
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Q_OBJECT
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public:
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~SceneQPainter() override;
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bool usesOverlayWindow() const override;
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OverlayWindow* overlayWindow() const override;
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void paint(int screenId, const QRegion &damage, const QList<Toplevel *> &windows,
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std::chrono::milliseconds presentTime) override;
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void paintGenericScreen(int mask, const ScreenPaintData &data) override;
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CompositingType compositingType() const override;
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bool initFailed() const override;
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EffectFrame *createEffectFrame(EffectFrameImpl *frame) override;
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Shadow *createShadow(Toplevel *toplevel) override;
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Decoration::Renderer *createDecorationRenderer(Decoration::DecoratedClientImpl *impl) override;
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void screenGeometryChanged(const QSize &size) override;
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bool animationsSupported() const override {
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return false;
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}
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QPainter *scenePainter() const override;
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QImage *qpainterRenderBuffer(int screenId) const override;
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QPainterBackend *backend() const {
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return m_backend.data();
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}
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static SceneQPainter *createScene(QObject *parent);
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protected:
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void paintBackground(const QRegion ®ion) override;
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Scene::Window *createWindow(Toplevel *toplevel) override;
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void paintCursor(const QRegion ®ion) override;
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void paintEffectQuickView(EffectQuickView *w) override;
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private:
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explicit SceneQPainter(QPainterBackend *backend, QObject *parent = nullptr);
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QScopedPointer<QPainterBackend> m_backend;
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QScopedPointer<QPainter> m_painter;
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class Window;
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};
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class QPainterWindowPixmap : public WindowPixmap
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{
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public:
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explicit QPainterWindowPixmap(Scene::Window *window);
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~QPainterWindowPixmap() override;
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void create() override;
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void update() override;
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bool isValid() const override;
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const QImage &image();
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protected:
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WindowPixmap *createChild(KWaylandServer::SubSurfaceInterface *subSurface) override;
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private:
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explicit QPainterWindowPixmap(KWaylandServer::SubSurfaceInterface *subSurface, WindowPixmap *parent);
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QImage m_image;
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};
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class SceneQPainter::Window : public Scene::Window
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{
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Q_OBJECT
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public:
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Window(SceneQPainter *scene, Toplevel *c);
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~Window() override;
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void performPaint(int mask, const QRegion ®ion, const WindowPaintData &data) override;
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protected:
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WindowPixmap *createWindowPixmap() override;
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private:
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void renderWindowPixmap(QPainter *painter, QPainterWindowPixmap *windowPixmap);
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void renderShadow(QPainter *painter);
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void renderWindowDecorations(QPainter *painter);
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SceneQPainter *m_scene;
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};
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class QPainterEffectFrame : public Scene::EffectFrame
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{
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public:
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QPainterEffectFrame(EffectFrameImpl *frame, SceneQPainter *scene);
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~QPainterEffectFrame() override;
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void crossFadeIcon() override {}
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void crossFadeText() override {}
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void free() override {}
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void freeIconFrame() override {}
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void freeTextFrame() override {}
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void freeSelection() override {}
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void render(const QRegion ®ion, double opacity, double frameOpacity) override;
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private:
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SceneQPainter *m_scene;
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};
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class SceneQPainterShadow : public Shadow
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{
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public:
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SceneQPainterShadow(Toplevel* toplevel);
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~SceneQPainterShadow() override;
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QImage &shadowTexture() {
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return m_texture;
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}
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protected:
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void buildQuads() override;
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bool prepareBackend() override;
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private:
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QImage m_texture;
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};
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class SceneQPainterDecorationRenderer : public Decoration::Renderer
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{
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Q_OBJECT
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public:
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enum class DecorationPart : int {
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Left,
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Top,
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Right,
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Bottom,
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Count
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};
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explicit SceneQPainterDecorationRenderer(Decoration::DecoratedClientImpl *client);
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~SceneQPainterDecorationRenderer() override;
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void render() override;
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void reparent(Deleted *deleted) override;
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QImage image(DecorationPart part) const;
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private:
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void resizeImages();
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QImage m_images[int(DecorationPart::Count)];
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};
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class KWIN_EXPORT QPainterFactory : public SceneFactory
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{
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Q_OBJECT
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Q_INTERFACES(KWin::SceneFactory)
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Q_PLUGIN_METADATA(IID "org.kde.kwin.Scene" FILE "qpainter.json")
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public:
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explicit QPainterFactory(QObject *parent = nullptr);
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~QPainterFactory() override;
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Scene *create(QObject *parent = nullptr) const override;
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};
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inline
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bool SceneQPainter::usesOverlayWindow() const
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{
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return false;
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}
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inline
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OverlayWindow* SceneQPainter::overlayWindow() const
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{
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return nullptr;
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}
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inline
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QPainter* SceneQPainter::scenePainter() const
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{
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return m_painter.data();
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}
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inline
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const QImage &QPainterWindowPixmap::image()
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{
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return m_image;
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}
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} // KWin
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#endif // KWIN_SCENEQPAINTER_H
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