ScreenCorners: add solid black option

Commons/Settings.qml

@@ -322,6 +322,7 @@ Singleton {
         property string avatarImage: defaultAvatar
         property bool dimDesktop: false
         property bool showScreenCorners: false
+        property bool forceBlackScreenCorners: false
         property real radiusRatio: 1.0
         property real screenRadiusRatio: 1.0
         // Animation speed multiplier (0.1x - 2.0x)

Modules/Background/ScreenCorners.qml

@@ -19,7 +19,7 @@ Loader {
       property real scaling: ScalingService.getScreenScale(screen)
       screen: modelData
 
-      property color cornerColor: Qt.alpha(Color.mSurface, Settings.data.bar.backgroundOpacity)
+      property color cornerColor: Settings.data.general.forceBlackScreenCorners ? Qt.rgba(0, 0, 0, 1) : Qt.alpha(Color.mSurface, Settings.data.bar.backgroundOpacity)
       property real cornerRadius: Style.screenRadius * scaling
       property real cornerSize: Style.screenRadius * scaling
 

Modules/SettingsPanel/Tabs/GeneralTab.qml

@@ -129,6 +129,13 @@ ColumnLayout {
       onToggled: checked => Settings.data.general.showScreenCorners = checked
     }
 
+    NToggle {
+      label: "Solid Black Corners"
+      description: "Force screen corners to always render as solid black."
+      checked: Settings.data.general.forceBlackScreenCorners
+      onToggled: checked => Settings.data.general.forceBlackScreenCorners = checked
+    }
+
     ColumnLayout {
       spacing: Style.marginXXS * scaling
       Layout.fillWidth: true