Update breadcrumbs when root directory changes.

qml/ClideProjectView.qml

@@ -68,7 +68,12 @@ SplitView {
                 height: navigationView.height
 
                 // Path to the directory opened in the file explorer.
+                originalRootDirectory: root.projectDir
                 rootDirectory: root.projectDir
+                onRootDirectoryChanged: {
+                    console.log(clideTreeView.rootDirectory)
+                    breadCrumb.text = clideTreeView.rootDirectory
+                }
             }
         }
     }

qml/ClideTreeView.qml

@@ -14,25 +14,21 @@ TreeView {
 
     property int lastIndex: -1
 
-    required property string rootDirectory
+    required property string originalRootDirectory
+    property string rootDirectory
 
     signal fileClicked(string filePath)
 
-
+    rootIndex: FileSystem.setDirectory(fileSystemTreeView.rootDirectory)
-    rootIndex: FileSystem.rootIndex
     leftMargin: 5
     boundsBehavior: Flickable.StopAtBounds
     boundsMovement: Flickable.StopAtBounds
     clip: true
 
-    Component.onCompleted: {
-        FileSystem.rootIndex = FileSystem.setDirectory(fileSystemTreeView.rootDirectory)
-    }
-
     // The delegate represents a single entry in the filesystem.
     delegate: TreeViewDelegate {
         id: treeDelegate
-        indentation: 6
+        indentation: 8
         implicitWidth: fileSystemTreeView.width > 0 ? fileSystemTreeView.width : 250
         implicitHeight: 25
 
@@ -125,7 +121,6 @@ TreeView {
                             fileSystemTreeView.fileClicked(treeDelegate.filePath)
                         break;
                     case Qt.RightButton:
-                        if (treeDelegate.hasChildren)
                         contextMenu.popup();
                         break;
                 }
@@ -136,16 +131,17 @@ TreeView {
             id: contextMenu
             Action {
                 text: qsTr("Set as root index")
+                enabled: treeDelegate.hasChildren
                 onTriggered: {
-                    console.log("Setting directory: " + treeDelegate.filePath)
+                    console.log("Setting new root directory: " + treeDelegate.filePath)
-                    FileSystem.rootIndex = FileSystem.setDirectory(treeDelegate.filePath)
+                    fileSystemTreeView.rootDirectory = treeDelegate.filePath
                 }
             }
             Action {
                 text: qsTr("Reset root index")
                 onTriggered: {
-                    console.log("Reset root index")
+                    console.log("Resetting root directory: " + fileSystemTreeView.originalRootDirectory)
-                    FileSystem.rootIndex = FileSystem.setDirectory(fileSystemTreeView.rootDirectory)
+                    fileSystemTreeView.rootDirectory = fileSystemTreeView.originalRootDirectory
                 }
             }
         }

src/gui/filesystem.rs

@@ -2,6 +2,19 @@
 //
 // SPDX-License-Identifier: GNU General Public License v3.0 or later
 
+use cxx_qt_lib::{QModelIndex, QString};
+use dirs;
+use log::warn;
+use std::fs;
+use std::path::Path;
+use syntect::easy::HighlightLines;
+use syntect::highlighting::ThemeSet;
+use syntect::html::{
+    IncludeBackground, append_highlighted_html_for_styled_line, start_highlighted_html_snippet,
+};
+use syntect::parsing::SyntaxSet;
+use syntect::util::LinesWithEndings;
+
 #[cxx_qt::bridge]
 pub mod qobject {
     unsafe extern "C++" {
@@ -21,7 +34,6 @@ pub mod qobject {
         #[qml_element]
         #[qml_singleton]
         #[qproperty(QString, file_path, cxx_name = "filePath")]
-        #[qproperty(QModelIndex, root_index, cxx_name = "rootIndex")]
         type FileSystem = super::FileSystemImpl;
 
         #[inherit]
@@ -43,24 +55,9 @@ pub mod qobject {
     }
 }
 
-use cxx_qt_lib::{QModelIndex, QString};
-use dirs;
-use log::warn;
-use std::fs;
-use std::io::BufRead;
-use std::path::Path;
-use syntect::easy::{HighlightFile, HighlightLines};
-use syntect::highlighting::ThemeSet;
-use syntect::html::{
-    IncludeBackground, append_highlighted_html_for_styled_line, start_highlighted_html_snippet,
-};
-use syntect::parsing::SyntaxSet;
-use syntect::util::LinesWithEndings;
-
 // TODO: Implement a provider for QFileSystemModel::setIconProvider for icons.
 pub struct FileSystemImpl {
     file_path: QString,
-    root_index: QModelIndex,
 }
 
 // Default is explicit to make the editor open this source file initially.
@@ -68,7 +65,6 @@ impl Default for FileSystemImpl {
     fn default() -> Self {
         Self {
             file_path: QString::from(file!()),
-            root_index: Default::default(),
         }
     }
 }
@@ -134,14 +130,13 @@ impl qobject::FileSystem {
             self.set_root_path(path)
         } else {
             // If the initial directory can't be opened, attempt to find the home directory.
-            self.set_root_path(&QString::from(
+            let homedir = dirs::home_dir()
-                dirs::home_dir()
                 .expect("Failed to get home directory")
                 .as_path()
                 .to_str()
                 .unwrap()
-                    .to_string(),
+                .to_string();
-            ))
+            self.set_root_path(&QString::from(homedir))
         }
     }
 }