Fix window size

qml/main.qml

@@ -10,12 +10,11 @@ import FishUI 1.0 as FishUI
 Item {
     id: root
 
-    // The window manager is forced to set the window size.
-    // width: launcher.screenRect.width
-    // height: launcher.screenRect.height
+    width: launcher.screenRect.width
+    height: launcher.screenRect.height
 
-    property real horizontalSpacing: root.width * 0.01 * Screen.devicePixelRatio
-    property real verticalSpacing: root.height * 0.01 * Screen.devicePixelRatio
+    property real horizontalSpacing: launcher.screenRect.width * 0.01 * Screen.devicePixelRatio
+    property real verticalSpacing: launcher.screenRect.height * 0.01 * Screen.devicePixelRatio
 
     Wallpaper {
         id: backend
@@ -25,10 +24,11 @@ Item {
         id: wallpaper
         anchors.fill: parent
         source: "file://" + backend.wallpaper
-        sourceSize: Qt.size(width, height)
+        sourceSize: Qt.size(auncher.screenRect.width,
+                            launcher.screenRect.height)
         fillMode: Image.PreserveAspectCrop
-        clip: true
-        cache: true
+        asynchronous: false
+        cache: false
         smooth: false
     }
 

src/launcher.cpp

@@ -30,14 +30,13 @@
 Launcher::Launcher(QQuickView *w)
   : QQuickView(w)
 {
-    m_screenRect = qApp->primaryScreen()->geometry();
     m_screenAvailableRect = qApp->primaryScreen()->availableGeometry();
 
     new LauncherAdaptor(this);
 
     engine()->rootContext()->setContextProperty("launcher", this);
 
-    setFlags(Qt::FramelessWindowHint);
+    setFlags(Qt::FramelessWindowHint | Qt::CoverWindow);
     setResizeMode(QQuickView::SizeRootObjectToView);
     setClearBeforeRendering(true);
     setScreen(qApp->primaryScreen());
@@ -80,10 +79,11 @@ QRect Launcher::screenAvailableRect()
 
 void Launcher::onGeometryChanged()
 {
-    m_screenRect = qApp->primaryScreen()->geometry();
-    setGeometry(qApp->primaryScreen()->geometry());
-
-    emit screenRectChanged();
+    if (m_screenRect != qApp->primaryScreen()->geometry()) {
+        m_screenRect = qApp->primaryScreen()->geometry();
+        setGeometry(m_screenRect);
+        emit screenRectChanged();
+    }
 }
 
 void Launcher::onAvailableGeometryChanged(const QRect &geometry)
@@ -99,6 +99,12 @@ void Launcher::showEvent(QShowEvent *e)
     QQuickView::showEvent(e);
 }
 
+void Launcher::resizeEvent(QResizeEvent *e)
+{
+    // The window manager forces the size.
+    e->ignore();
+}
+
 void Launcher::onActiveChanged()
 {
     if (!isActive())

src/launcher.h

@@ -49,6 +49,7 @@ private slots:
 
 protected:
     void showEvent(QShowEvent *e) override;
+    void resizeEvent(QResizeEvent *e) override;
 
 private:
     void onActiveChanged();