notification center: scrollable list, configurable maxVisible (default 10)

modules/Modules.qml

@@ -22,7 +22,8 @@ QtObject {
     property var notifications: ({
             enable: true,
             timeout: 3000,
-            maxPopups: 4
+            maxPopups: 4,
+            maxVisible: 10
         })
     property var mpris: ({
             enable: true

modules/NotifCenter.qml

@@ -131,9 +131,27 @@ M.PopupPanel {
         color: M.Theme.base03
     }
 
-    // Notification list
+    // Notification list (scrollable)
+    Item {
+        width: menuWindow.panelWidth
+        height: Math.min(notifFlick.contentHeight, _maxHeight)
+        readonly property real _itemHeight: 60
+        readonly property real _maxHeight: _itemHeight * (M.Modules.notifications.maxVisible || 10)
+
+        Flickable {
+            id: notifFlick
+            anchors.fill: parent
+            contentWidth: width
+            contentHeight: notifCol.implicitHeight
+            clip: true
+            boundsBehavior: Flickable.StopAtBounds
+
+            Column {
+                id: notifCol
+                width: parent.width
+
                 Repeater {
-        model: M.NotifService.list.slice(0, 20)
+                    model: M.NotifService.list
 
                     delegate: Item {
                         id: notifItem
@@ -364,7 +382,10 @@ M.PopupPanel {
                             onClicked: _dismissAnim.start()
                         }
                     }
-    }
+                } // Repeater
+            } // Column
+        } // Flickable
+    } // Item
 
     // Empty state
     Text {

nix/hm-module.nix

@@ -103,6 +103,11 @@ in
             default = 4;
             description = "Maximum number of notification popups shown simultaneously.";
           };
+          maxVisible = lib.mkOption {
+            type = lib.types.int;
+            default = 10;
+            description = "Maximum visible notifications in the notification center before scrolling.";
+          };
         };
         bluetooth = moduleOpt "bluetooth" (intervalOpt 5000);
         network = moduleOpt "network" (intervalOpt 5000);