wallpaper-panel: prevent combobox from covering the path

Modules/Panels/Wallpaper/WallpaperPanel.qml

@@ -776,10 +776,10 @@ SmartPanel {
 
         // Right side: actions (view mode, hide filenames, refresh)
         NComboBox {
-          Layout.fillWidth: true
           enabled: Settings.data.colorSchemes.useWallpaperColors
           baseSize: 0.8
           minimumWidth: 180
+          maximumWidth: 180
           model: TemplateProcessor.schemeTypes
           currentKey: Settings.data.colorSchemes.generationMethod
           onSelected: key => {

Services/UI/WallpaperService.qml

@@ -491,7 +491,13 @@ Singleton {
   // -------------------------------------------------------------------
   function getCurrentBrowsePath(screenName) {
     if (currentBrowsePaths[screenName] !== undefined) {
-      return currentBrowsePaths[screenName];
+      var stored = currentBrowsePaths[screenName];
+      var root = getMonitorDirectory(screenName);
+      if (root && stored.startsWith(root)) {
+        return stored;
+      }
+      // Stored path is outside the root directory, reset it
+      delete currentBrowsePaths[screenName];
     }
     return getMonitorDirectory(screenName);
   }
@@ -509,14 +515,14 @@ Singleton {
     var currentPath = getCurrentBrowsePath(screenName);
     var rootPath = getMonitorDirectory(screenName);
 
-    // Don't go above the root directory
-    if (currentPath === rootPath)
+    // Don't navigate if root is invalid or we're already at root
+    if (!rootPath || currentPath === rootPath)
       return;
 
     // Get parent directory
     var parentPath = currentPath.replace(/\/[^\/]+\/?$/, "");
     if (parentPath === "")
-      parentPath = "/";
+      parentPath = rootPath;
 
     // Don't go above root
     if (!parentPath.startsWith(rootPath)) {

Widgets/NComboBox.qml

@@ -7,6 +7,7 @@ import qs.Widgets
 RowLayout {
   id: root
 
+  property real maximumWidth: 200
   property real minimumWidth: 200
   property real popupHeight: 180
 
@@ -25,7 +26,6 @@ RowLayout {
   signal selected(string key)
 
   spacing: Style.marginL
-  Layout.fillWidth: true
   opacity: enabled ? 1.0 : 0.6
 
   // Less strict comparison with != (instead of !==) so it can properly compare int vs string (ex for FPS: 30 and "30")
@@ -135,6 +135,7 @@ RowLayout {
   ComboBox {
     id: combo
 
+    Layout.maximumWidth: Math.round(root.maximumWidth * Style.uiScaleRatio)
     Layout.minimumWidth: Math.round(root.minimumWidth * Style.uiScaleRatio)
     Layout.preferredHeight: Math.round(root.preferredHeight * Style.uiScaleRatio)
     implicitWidth: Layout.minimumWidth