MainScreen: Bar content is in its own PanelWindow

Assets/settings-default.json

@@ -226,7 +226,7 @@
   "audio": {
     "volumeStep": 5,
     "volumeOverdrive": false,
-    "cavaFrameRate": 60,
+    "cavaFrameRate": 30,
     "visualizerType": "linear",
     "visualizerQuality": "high",
     "mprisBlacklist": [],

Modules/Bar/Bar.qml

@@ -30,9 +30,6 @@ Item {
   readonly property real barMarginH: barFloating ? Settings.data.bar.marginHorizontal * Style.marginXL : 0
   readonly property real barMarginV: barFloating ? Settings.data.bar.marginVertical * Style.marginXL : 0
 
-  // Attachment overlap to fix hairline gap with fractional scaling
-  readonly property real attachmentOverlap: 1
-
   // Fill the parent (the Loader)
   anchors.fill: parent
 
@@ -68,29 +65,28 @@ Item {
         id: bar
 
         // Position and size the bar based on orientation and floating margins
-        // Extend the bar by attachmentOverlap to eliminate hairline gap
         x: {
           var baseX = (root.barPosition === "right") ? (parent.width - Style.barHeight - root.barMarginH) : root.barMarginH
           if (root.barPosition === "right")
-            return baseX - root.attachmentOverlap // Extend left towards panels
+            return baseX // Extend left towards panels
           return baseX
         }
         y: {
           var baseY = (root.barPosition === "bottom") ? (parent.height - Style.barHeight - root.barMarginV) : root.barMarginV
           if (root.barPosition === "bottom")
-            return baseY - root.attachmentOverlap // Extend up towards panels
+            return baseY // Extend up towards panels
           return baseY
         }
         width: {
           var baseWidth = root.barIsVertical ? Style.barHeight : (parent.width - root.barMarginH * 2)
           if (!root.barIsVertical)
             return baseWidth // Horizontal bars extend via height, not width
-          return baseWidth + root.attachmentOverlap + 1
+          return baseWidth + 1
         }
         height: {
           var baseHeight = root.barIsVertical ? (parent.height - root.barMarginV * 2) : Style.barHeight
           if (!root.barIsVertical)
-            return baseHeight + root.attachmentOverlap
+            return baseHeight
           return baseHeight // Vertical bars extend via width, not height
         }
 

Modules/MainScreen/AllScreens.qml

@@ -41,6 +41,25 @@ Variants {
       }
     }
 
+    // Bar content in separate windows to prevent fullscreen redraws
+    Loader {
+      active: {
+        if (!parent.windowLoaded || !parent.shouldBeActive || !BarService.isVisible)
+          return false
+
+        // Check if bar is configured for this screen
+        var monitors = Settings.data.bar.monitors || []
+        return monitors.length === 0 || monitors.includes(modelData?.name)
+      }
+      asynchronous: false
+
+      sourceComponent: BarContentWindow {}
+
+      onLoaded: {
+        Logger.d("Shell", "BarContentWindow created for", modelData?.name)
+      }
+    }
+
     // BarExclusionZone - created after MainScreen has fully loaded
     // Disabled when bar is hidden or not configured for this screen
     Loader {

Modules/MainScreen/Backgrounds/AllBackgrounds.qml

@@ -56,6 +56,7 @@ Item {
       BarBackground {
         bar: root.bar
         shapeContainer: backgroundsShape
+        windowRoot: root.windowRoot
       }
 
 

Modules/MainScreen/Backgrounds/BarBackground.qml

@@ -1,6 +1,7 @@
 import QtQuick
 import QtQuick.Shapes
 import qs.Commons
+import qs.Services.UI
 import qs.Modules.MainScreen.Backgrounds
 
 
@@ -25,6 +26,24 @@ ShapePath {
   // Required reference to AllBackgrounds shapeContainer
   required property var shapeContainer
 
+  // Required reference to windowRoot for screen access
+  required property var windowRoot
+
+  // Check if bar should be visible on this screen
+  readonly property bool shouldShowBar: {
+    // Check global bar visibility
+    if (!BarService.isVisible)
+      return false
+
+    // Check screen-specific configuration
+    var monitors = Settings.data.bar.monitors || []
+    var screenName = windowRoot?.screen?.name || ""
+
+    // If no monitors specified, show on all screens
+    // If monitors specified, only show if this screen is in the list
+    return monitors.length === 0 || monitors.includes(screenName)
+  }
+
   // Corner radius (from Style)
   readonly property real radius: Style.radiusL
 
@@ -64,7 +83,7 @@ ShapePath {
 
   // ShapePath configuration
   strokeWidth: -1 // No stroke, fill only
-  fillColor: Qt.alpha(Color.mSurface, Settings.data.bar.backgroundOpacity)
+  fillColor: shouldShowBar ? Qt.alpha(Color.mSurface, Settings.data.bar.backgroundOpacity) : Color.transparent
 
   // Starting position (top-left corner, after the arc)
   // Use mapped coordinates relative to the Shape container

Modules/MainScreen/BarContentWindow.qml

@@ -0,0 +1,72 @@
+import QtQuick
+import Quickshell
+import Quickshell.Wayland
+import qs.Commons
+import qs.Services.UI
+import qs.Modules.Bar
+
+
+/**
+ * BarContentWindow - Separate transparent PanelWindow for bar content
+ *
+ * This window contains only the bar widgets (content), while the background
+ * is rendered in MainScreen's unified Shape system. This separation prevents
+ * fullscreen redraws when bar widgets redraw.
+ */
+Variants {
+  model: Quickshell.screens
+
+  delegate: Loader {
+    id: barWindowLoader
+
+    required property ShellScreen modelData
+
+    // Only create window if bar should be visible on this screen
+    active: {
+      if (!modelData || !modelData.name)
+        return false
+      var monitors = Settings.data.bar.monitors || []
+      return BarService.isVisible && (monitors.length === 0 || monitors.includes(modelData.name))
+    }
+
+    sourceComponent: PanelWindow {
+      id: barWindow
+      screen: modelData
+
+      color: Color.transparent // Transparent - background is in MainScreen below
+
+      Component.onCompleted: {
+        Logger.d("BarContentWindow", "Bar content window created for screen:", screen?.name)
+      }
+
+      // Wayland layer configuration
+      WlrLayershell.namespace: "noctalia-bar-content-" + (screen?.name || "unknown")
+      WlrLayershell.layer: WlrLayer.Top
+      WlrLayershell.exclusionMode: ExclusionMode.Ignore // Don't reserve space - BarExclusionZone in MainScreen handles that
+
+      // Position and size to match bar location
+      readonly property string barPosition: Settings.data.bar.position || "top"
+      readonly property bool barIsVertical: barPosition === "left" || barPosition === "right"
+      readonly property bool barFloating: Settings.data.bar.floating || false
+      readonly property real barMarginH: barFloating ? Settings.data.bar.marginHorizontal * Style.marginXL : 0
+      readonly property real barMarginV: barFloating ? Settings.data.bar.marginVertical * Style.marginXL : 0
+
+      // Anchor to the bar's edge
+      anchors {
+        top: barPosition === "top" || barIsVertical
+        bottom: barPosition === "bottom" || barIsVertical
+        left: barPosition === "left" || !barIsVertical
+        right: barPosition === "right" || !barIsVertical
+      }
+      // Set to FULL screen dimensions - margins will reduce the actual window size
+      implicitWidth: (barIsVertical ? (Style.barHeight + 1) : screen.width) + barMarginH
+      implicitHeight: (barIsVertical ? screen.height : Style.barHeight) + barMarginV
+
+      // Bar content - just the widgets, no background
+      Bar {
+        anchors.fill: parent
+        screen: modelData
+      }
+    }
+  }
+}

Modules/MainScreen/MainScreen.qml

@@ -101,12 +101,11 @@ PanelWindow {
     // Bar region - subtract bar area from mask
     Region {
       id: barMaskRegion
-      property var barRegion: barLoader.item?.barRegion
 
-      x: barRegion?.x ?? 0
-      y: barRegion?.y ?? 0
-      width: barRegion?.width ?? 0
-      height: barRegion?.height ?? 0
+      x: barPlaceholder.x
+      y: barPlaceholder.y
+      width: barPlaceholder.width
+      height: barPlaceholder.height
       intersection: Intersection.Subtract
     }
 
@@ -133,7 +132,7 @@ PanelWindow {
     Backgrounds.AllBackgrounds {
       id: unifiedBackgrounds
       anchors.fill: parent
-      bar: barLoader.item?.barItem || null
+      bar: barPlaceholder.barItem || null
       windowRoot: root
       z: 0 // Behind all content
     }
@@ -309,28 +308,108 @@ PanelWindow {
       }
     }
 
-    // Bar (always on top - rendered last in tree, so naturally on top)
-    Loader {
-      id: barLoader
-      asynchronous: false
-      sourceComponent: Bar {}
-      // Keep bar loaded but hide it when BarService.isVisible is false
-      // This allows panels to remain accessible via IPC
-      visible: BarService.isVisible
+    // Bar placeholder - just for background positioning (actual bar content is in BarContentWindow)
+    Item {
+      id: barPlaceholder
 
-      // Fill parent to provide dimensions for Bar to reference
-      anchors.fill: parent
+      // Expose self as barItem for AllBackgrounds compatibility
+      readonly property var barItem: barPlaceholder
 
+      // Screen reference
       property ShellScreen screen: root.screen
 
-      onLoaded: {
-        if (item) {
-          Logger.d("MainScreen", "Bar loaded with screen", item.screen?.name)
-          // Bind screen to bar component (use binding for reactivity)
-          item.screen = Qt.binding(function () {
-            return barLoader.screen
-          })
+      // Bar positioning properties (match Bar.qml logic)
+      readonly property string barPosition: Settings.data.bar.position || "top"
+      readonly property bool barIsVertical: barPosition === "left" || barPosition === "right"
+      readonly property bool barFloating: Settings.data.bar.floating || false
+      readonly property real barMarginH: barFloating ? Settings.data.bar.marginHorizontal * Style.marginXL : 0
+      readonly property real barMarginV: barFloating ? Settings.data.bar.marginVertical * Style.marginXL : 0
+
+      // Expose bar dimensions directly on this Item for BarBackground
+      // Use screen dimensions directly
+      x: {
+        if (barPosition === "right")
+          return screen.width - Style.barHeight - barMarginH
+        return barMarginH
+      }
+      y: {
+        if (barPosition === "bottom")
+          return screen.height - Style.barHeight - barMarginV
+        return barMarginV
+      }
+      width: {
+        if (barIsVertical) {
+          return Style.barHeight + 1
         }
+        return screen.width - barMarginH * 2
+      }
+      height: {
+        if (barIsVertical) {
+          return screen.height - barMarginV * 2
+        }
+        return Style.barHeight
+      }
+
+      // Corner states (same as Bar.qml)
+      readonly property int topLeftCornerState: {
+        if (barFloating)
+          return 0
+        if (barPosition === "top")
+          return -1
+        if (barPosition === "left")
+          return -1
+        if (Settings.data.bar.outerCorners && (barPosition === "bottom" || barPosition === "right")) {
+          return barIsVertical ? 1 : 2
+        }
+        return -1
+      }
+
+      readonly property int topRightCornerState: {
+        if (barFloating)
+          return 0
+        if (barPosition === "top")
+          return -1
+        if (barPosition === "right")
+          return -1
+        if (Settings.data.bar.outerCorners && (barPosition === "bottom" || barPosition === "left")) {
+          return barIsVertical ? 1 : 2
+        }
+        return -1
+      }
+
+      readonly property int bottomLeftCornerState: {
+        if (barFloating)
+          return 0
+        if (barPosition === "bottom")
+          return -1
+        if (barPosition === "left")
+          return -1
+        if (Settings.data.bar.outerCorners && (barPosition === "top" || barPosition === "right")) {
+          return barIsVertical ? 1 : 2
+        }
+        return -1
+      }
+
+      readonly property int bottomRightCornerState: {
+        if (barFloating)
+          return 0
+        if (barPosition === "bottom")
+          return -1
+        if (barPosition === "right")
+          return -1
+        if (Settings.data.bar.outerCorners && (barPosition === "top" || barPosition === "left")) {
+          return barIsVertical ? 1 : 2
+        }
+        return -1
+      }
+
+      Component.onCompleted: {
+        Logger.d("MainScreen", "===== Bar placeholder loaded =====")
+        Logger.d("MainScreen", "  Screen:", screen?.name, "Size:", screen?.width, "x", screen?.height)
+        Logger.d("MainScreen", "  Bar position:", barPosition, "| isVertical:", barIsVertical)
+        Logger.d("MainScreen", "  Bar dimensions: x=" + x, "y=" + y, "width=" + width, "height=" + height)
+        Logger.d("MainScreen", "  Style.barHeight =", Style.barHeight)
+        Logger.d("MainScreen", "  Margins: H=" + barMarginH, "V=" + barMarginV, "| Floating:", barFloating)
       }
     }
 

shell.qml

@@ -23,6 +23,7 @@ import qs.Services.UI
 
 // Modules
 import qs.Modules.Background
+import qs.Modules.Bar
 import qs.Modules.Dock
 import qs.Modules.MainScreen
 import qs.Modules.LockScreen
@@ -106,7 +107,7 @@ ShellRoot {
       // Item that needs to exists in the shell.
       IPCService {}
 
-      // MainScreen for each screen (manages bar + all panels)
+      // MainScreen for each screen
       AllScreens {}
     }
   }