display corners

modules/Bar.qml

@@ -59,6 +59,7 @@ PanelWindow {
                 Layout.maximumWidth: 400
                 visible: M.Modules.windowTitle
             }
+            Item { Layout.fillWidth: true }
         }
 
         // ---- right ----

modules/ScreenCorners.qml

@@ -0,0 +1,87 @@
+import QtQuick
+import Quickshell
+import Quickshell.Wayland
+import "." as M
+
+// Empty region = no input area — clicks pass through to windows below
+
+// Draws rounded black corners at the edges of each screen.
+// Disabled when screenRadius is 0 (the default).
+Item {
+    id: root
+
+    required property var screen
+
+    readonly property int _r: M.Theme.screenRadius
+
+    Repeater {
+        model: root._r > 0 ? [
+            { top: true,  left: true,  right: false, bottom: false, corner: 0 },
+            { top: true,  left: false, right: true,  bottom: false, corner: 1 },
+            { top: false, left: true,  right: false, bottom: true,  corner: 2 },
+            { top: false, left: false, right: true,  bottom: true,  corner: 3 }
+        ] : []
+
+        delegate: PanelWindow {
+            id: cornerWindow
+
+            required property var modelData
+
+            screen: root.screen
+            color: "transparent"
+
+            WlrLayershell.layer: WlrLayer.Overlay
+            WlrLayershell.exclusiveZone: 0
+            WlrLayershell.namespace: "nova-corners"
+            mask: Region {}
+
+            anchors.top: cornerWindow.modelData.top
+            anchors.left: cornerWindow.modelData.left
+            anchors.right: cornerWindow.modelData.right
+            anchors.bottom: cornerWindow.modelData.bottom
+
+            implicitWidth: root._r
+            implicitHeight: root._r
+
+            Canvas {
+                anchors.fill: parent
+                onPaint: {
+                    const r = root._r;
+                    const ctx = getContext("2d");
+                    ctx.clearRect(0, 0, r, r);
+                    ctx.fillStyle = "black";
+                    ctx.beginPath();
+
+                    switch (cornerWindow.modelData.corner) {
+                    case 0: // top-left
+                        ctx.moveTo(0, 0);
+                        ctx.lineTo(r, 0);
+                        ctx.arc(r, r, r, -Math.PI / 2, Math.PI, true);
+                        ctx.closePath();
+                        break;
+                    case 1: // top-right
+                        ctx.moveTo(r, 0);
+                        ctx.lineTo(0, 0);
+                        ctx.arc(0, r, r, -Math.PI / 2, 0, false);
+                        ctx.closePath();
+                        break;
+                    case 2: // bottom-left
+                        ctx.moveTo(0, r);
+                        ctx.lineTo(0, 0);
+                        ctx.arc(r, 0, r, Math.PI, Math.PI / 2, true);
+                        ctx.closePath();
+                        break;
+                    case 3: // bottom-right
+                        ctx.moveTo(r, r);
+                        ctx.lineTo(r, 0);
+                        ctx.arc(0, 0, r, 0, Math.PI / 2, false);
+                        ctx.closePath();
+                        break;
+                    }
+
+                    ctx.fill();
+                }
+            }
+        }
+    }
+}

modules/Theme.qml

@@ -34,6 +34,7 @@ QtObject {
     property int barSpacing: 12
     property int moduleSpacing: 4
     property int radius: 4
+    property int screenRadius: 15
 
     property FileView _themeFile: FileView {
         path: (Quickshell.env("XDG_CONFIG_HOME") || (Quickshell.env("HOME") + "/.config")) + "/nova-shell/theme.json"
@@ -72,5 +73,7 @@ QtObject {
             root.moduleSpacing = data.moduleSpacing;
         if (data.radius !== undefined)
             root.radius = data.radius;
+        if (data.screenRadius !== undefined)
+            root.screenRadius = data.screenRadius;
     }
 }

modules/qmldir

@@ -12,6 +12,7 @@ Volume 1.0 Volume.qml
 Tray 1.0 Tray.qml
 TrayMenu 1.0 TrayMenu.qml
 PowerMenu 1.0 PowerMenu.qml
+ScreenCorners 1.0 ScreenCorners.qml
 ThemedIcon 1.0 ThemedIcon.qml
 Battery 1.0 Battery.qml
 Mpris 1.0 Mpris.qml

shell.qml

@@ -18,6 +18,10 @@ ShellRoot {
             Flyout {
                 screen: scope.modelData
             }
+
+            ScreenCorners {
+                screen: scope.modelData
+            }
         }
     }
 }