File indexing completed on 2024-11-10 04:56:47 

0001 /*
0002     SPDX-FileCopyrightText: 2014 Martin Gräßlin <mgraesslin@kde.org>
0003 
0004     SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
0005 */
0006 #pragma once
0007 
0008 #include <QPointer>
0009 #include <QQuickPaintedItem>
0010 
0011 namespace KDecoration2
0012 {
0013 class Decoration;
0014 class DecorationShadow;
0015 class DecorationSettings;
0016 
0017 namespace Preview
0018 {
0019 class PreviewBridge;
0020 class PreviewClient;
0021 class Settings;
0022 
0023 class PreviewItem : public QQuickPaintedItem
0024 {
0025     Q_OBJECT
0026     Q_PROPERTY(KDecoration2::Decoration *decoration READ decoration NOTIFY decorationChanged)
0027     Q_PROPERTY(KDecoration2::Preview::PreviewBridge *bridge READ bridge WRITE setBridge NOTIFY bridgeChanged)
0028     Q_PROPERTY(KDecoration2::Preview::Settings *settings READ settings WRITE setSettings NOTIFY settingsChanged)
0029     Q_PROPERTY(KDecoration2::Preview::PreviewClient *client READ client)
0030     Q_PROPERTY(KDecoration2::DecorationShadow *shadow READ shadow NOTIFY shadowChanged)
0031     Q_PROPERTY(QColor windowColor READ windowColor WRITE setWindowColor NOTIFY windowColorChanged)
0032     Q_PROPERTY(bool drawBackground READ isDrawingBackground WRITE setDrawingBackground NOTIFY drawingBackgroundChanged)
0033 public:
0034     PreviewItem(QQuickItem *parent = nullptr);
0035     ~PreviewItem() override;
0036     void paint(QPainter *painter) override;
0037 
0038     KDecoration2::Decoration *decoration() const;
0039     void setDecoration(KDecoration2::Decoration *deco);
0040 
0041     QColor windowColor() const;
0042     void setWindowColor(const QColor &color);
0043 
0044     bool isDrawingBackground() const;
0045     void setDrawingBackground(bool set);
0046 
0047     PreviewBridge *bridge() const;
0048     void setBridge(PreviewBridge *bridge);
0049 
0050     Settings *settings() const;
0051     void setSettings(Settings *settings);
0052 
0053     PreviewClient *client();
0054     DecorationShadow *shadow() const;
0055 
0056 Q_SIGNALS:
0057     void decorationChanged(KDecoration2::Decoration *deco);
0058     void windowColorChanged(const QColor &color);
0059     void drawingBackgroundChanged(bool);
0060     void bridgeChanged();
0061     void settingsChanged();
0062     void shadowChanged();
0063 
0064 protected:
0065     void mouseDoubleClickEvent(QMouseEvent *event) override;
0066     void mouseMoveEvent(QMouseEvent *event) override;
0067     void mousePressEvent(QMouseEvent *event) override;
0068     void mouseReleaseEvent(QMouseEvent *event) override;
0069     void hoverEnterEvent(QHoverEvent *event) override;
0070     void hoverLeaveEvent(QHoverEvent *event) override;
0071     void hoverMoveEvent(QHoverEvent *event) override;
0072     void componentComplete() override;
0073 
0074 private:
0075     void paintShadow(QPainter *painter, int &paddingLeft, int &paddingRight, int &paddingTop, int &paddingBottom);
0076     template <typename E>
0077     void proxyPassEvent(E *event) const;
0078     void syncSize();
0079     void createDecoration();
0080     Decoration *m_decoration;
0081     QColor m_windowColor;
0082     bool m_drawBackground = true;
0083     QPointer<KDecoration2::Preview::PreviewBridge> m_bridge;
0084     QPointer<KDecoration2::Preview::Settings> m_settings;
0085     QPointer<KDecoration2::Preview::PreviewClient> m_client;
0086 };
0087 
0088 } // Preview
0089 } // KDecoration2