添加壁纸透明功能，为动态壁纸铺路

desktop/desktopsettings.cpp

@@ -41,6 +41,11 @@ QString DesktopSettings::wallpaper() const
     return m_wallpaper;
 }
 
+bool DesktopSettings::backgroundVisible() const
+{
+    return m_interface.property("backgroundVisible").toBool();
+}
+
 bool DesktopSettings::dimsWallpaper() const
 {
     return m_interface.property("darkModeDimsWallpaer").toBool();
@@ -71,7 +76,7 @@ void DesktopSettings::init()
         connect(&m_interface, SIGNAL(darkModeDimsWallpaerChanged()), this, SIGNAL(dimsWallpaperChanged()));
         connect(&m_interface, SIGNAL(backgroundTypeChanged()), this, SIGNAL(backgroundTypeChanged()));
         connect(&m_interface, SIGNAL(backgroundColorChanged()), this, SIGNAL(backgroundColorChanged()));
-
+        connect(&m_interface, SIGNAL(backgroundVisibleChanged()), this, SIGNAL(backgroundVisibleChanged()));
         m_wallpaper = m_interface.property("wallpaper").toString();
         emit wallpaperChanged();
     }

desktop/desktopsettings.h

@@ -28,7 +28,7 @@ class DesktopSettings : public QObject
     Q_OBJECT
     Q_PROPERTY(QString wallpaper READ wallpaper NOTIFY wallpaperChanged)
     Q_PROPERTY(bool dimsWallpaper READ dimsWallpaper NOTIFY dimsWallpaperChanged)
-
+    Q_PROPERTY(bool backgroundVisible READ backgroundVisible NOTIFY backgroundVisibleChanged)
     Q_PROPERTY(int backgroundType READ backgroundType NOTIFY backgroundTypeChanged)
     Q_PROPERTY(QString backgroundColor READ backgroundColor NOTIFY backgroundColorChanged)
 
@@ -37,7 +37,7 @@ public:
 
     QString wallpaper() const;
     bool dimsWallpaper() const;
-
+    bool backgroundVisible() const;
     int backgroundType() const;
     QString backgroundColor() const;
 
@@ -48,7 +48,8 @@ signals:
     void dimsWallpaperChanged();
     void backgroundColorChanged();
     void backgroundTypeChanged();
-
+    void backgroundVisibleChanged();
+    
 private slots:
     void init();
     void onWallpaperChanged(QString);

desktop/desktopview.cpp

@@ -35,12 +35,14 @@ DesktopView::DesktopView(QScreen *screen, QQuickView *parent)
     , m_screen(screen)
 {
     m_screenRect = m_screen->geometry();
-
+    this->setFlag(Qt::FramelessWindowHint);
+    this->setColor(QColor(Qt::transparent));
     KWindowSystem::setType(winId(), NET::Desktop);
     KWindowSystem::setState(winId(), NET::KeepBelow);
 
     engine()->rootContext()->setContextProperty("desktopView", this);
     engine()->rootContext()->setContextProperty("Dock", DockDBusInterface::self());
+    QWindow::fromWinId(winId())->setOpacity(0.99);
     engine()->addImageProvider("thumbnailer", new ThumbnailProvider());
 
     setTitle(tr("Desktop"));

qml/Desktop/Wallpaper.qml

@@ -26,6 +26,7 @@ Item {
 
         Rectangle {
             anchors.fill: parent
+            visible: settings.backgroundVisible
             color: settings.backgroundColor
         }
     }
@@ -39,6 +40,7 @@ Item {
                                 height * Screen.devicePixelRatio)
             fillMode: Image.PreserveAspectCrop
             clip: true
+            visible: settings.backgroundVisible
             cache: false
 
             // Clear cache