diff --git a/qml/ClideTreeView.qml b/qml/ClideTreeView.qml
index 84c5484..47480c7 100644
--- a/qml/ClideTreeView.qml
+++ b/qml/ClideTreeView.qml
@@ -23,14 +23,16 @@ Rectangle {
 
         property int lastIndex: -1
 
-        model: FileSystemSortProxyModel
+        model: FileSystemSortProxyModel {
+            id: fs
+        }
         anchors.fill: parent
         boundsBehavior: Flickable.StopAtBounds
         boundsMovement: Flickable.StopAtBounds
         clip: true
 
         Component.onCompleted: {
-            FileSystem.setDirectory(root.rootDirectory)
+            fs.setDirectory(root.rootDirectory)
             fileSystemTreeView.expandRecursively(0, -1)
         }
 
@@ -123,13 +125,13 @@ Rectangle {
                     text: qsTr("Set as root index")
                     onTriggered: {
                         console.log("Setting directory: " + treeDelegate.filePath)
-                        FileSystem.setDirectory(treeDelegate.filePath)
+                        FileSystemSortProxyModel.setDirectory(treeDelegate.filePath)
                     }
                 }
                 Action {
                     text: qsTr("Reset root index")
                     onTriggered: {
-                        FileSystem.setDirectory("")
+                        FileSystemSortProxyModel.setDirectory("")
                     }
                 }
             }
diff --git a/src/gui/filesystem.rs b/src/gui/filesystem.rs
index 4d7d097..92cbb02 100644
--- a/src/gui/filesystem.rs
+++ b/src/gui/filesystem.rs
@@ -7,6 +7,7 @@ use dirs;
 use log::warn;
 use std::io::BufRead;
 use std::{fs};
+use std::pin::Pin;
 use syntect::easy::HighlightFile;
 use syntect::highlighting::ThemeSet;
 use syntect::html::{
@@ -68,6 +69,10 @@ pub mod qobject {
             source_row: i32,
             source_parent: &QModelIndex,
         ) -> bool;
+
+        #[qinvokable]
+        #[cxx_name = "setDirectory"]
+        fn set_directory(self: Pin<&mut FileSystemSortProxyModel>, path: &QString) -> QModelIndex;
     }
 
     // Custom initialization logic.
@@ -76,14 +81,6 @@ pub mod qobject {
     // Export QFileSystemModel functions from Rust
     // https://doc.qt.io/qt-6/qfilesystemmodel.html
     unsafe extern "RustQt" {
-        #[inherit]
-        fn index(
-            self: Pin<&mut FileSystem>,
-            row: i32,
-            col: i32,
-            parent: &QModelIndex,
-        ) -> QModelIndex;
-
         #[inherit]
         #[cxx_name = "setRootPath"]
         fn set_root_path(self: Pin<&mut FileSystem>, path: &QString) -> QModelIndex;
@@ -96,10 +93,10 @@ pub mod qobject {
         #[qinvokable]
         #[cxx_name = "readFile"]
         fn read_file(self: &FileSystem, path: &QString) -> QString;
-
-        #[qinvokable]
-        #[cxx_name = "setDirectory"]
-        fn set_directory(self: Pin<&mut FileSystem>, path: &QString) -> QModelIndex;
+        //
+        // #[qinvokable]
+        // #[cxx_name = "setDirectory"]
+        // fn set_directory(self: Pin<&mut FileSystem>, path: &QString) -> QModelIndex;
     }
 }
 
@@ -118,7 +115,32 @@ impl Default for FileSystemSortProxyModelImpl {
 
 impl qobject::FileSystemSortProxyModel {
     pub const fn filter_accepts_row(&self, _source_row: i32, _source_parent: &QModelIndex) -> bool {
-        true
+        false
+    }
+
+    fn read_file(&self, path: &QString) -> QString {
+        if let Some(inner) = unsafe { self.inner().as_ref() } {
+            let pinned_inner = unsafe { Pin::new_unchecked(inner) };
+            return pinned_inner.read_file(path)
+        } else {
+            panic!("Can't get inner()")
+        }
+        QString::default()
+    }
+
+    // There will never be more than one column.
+    fn column_count(&self, _index: &QModelIndex) -> i32 {
+        1
+    }
+
+    fn set_directory(self: Pin<&mut Self>, path: &QString) -> QModelIndex {
+        if let Some(inner) = unsafe { self.inner().as_mut() } {
+            let pinned_inner = unsafe { Pin::new_unchecked(inner) };
+            return pinned_inner.set_directory(path)
+        } else {
+            panic!("Can't get inner()")
+        }
+        QModelIndex::default()
     }
 }