Add arrow to show expanded folder.

qml/ClideMenuBar.qml

@@ -10,7 +10,6 @@ import clide.module 1.0
 MenuBar {
     // Background for this MenuBar.
     background: Rectangle {
-        border.color: RustColors.explorer_background
         color: RustColors.menubar
     }
 
@@ -169,6 +168,7 @@ MenuBar {
     component ClideMenu: Menu {
         background: Rectangle {
             color: RustColors.explorer_background
+            border.color: Qt.darker(RustColors.menubar, 2)
             implicitWidth: 100
             radius: 2
         }

qml/ClideTreeView.qml

@@ -57,10 +57,12 @@ TreeView {
         indentation: 12
 
         background: Rectangle {
-            color: current ? RustColors.explorer_text_selected : "transparent"
+            color: current ? RustColors.explorer_folder_open : "transparent"
             radius: 2.5
         }
         contentItem: Text {
+            anchors.left: directoryIcon.right
+            anchors.leftMargin: 5
             color: RustColors.explorer_text
             text: treeDelegate.fileName
         }
@@ -86,9 +88,18 @@ TreeView {
             source: setSourceImage()
             sourceSize.height: 15
             sourceSize.width: 15
-            x: treeDelegate.leftMargin + (treeDelegate.depth * treeDelegate.indentation)
+            x: treeDelegate.leftMargin + (treeDelegate.depth * treeDelegate.indentation) + (indicator.visible ? indicator.width : 0)
         }
 
+        Label {
+            id: indicator
+
+            anchors.verticalCenter: parent.verticalCenter
+            font.pixelSize: 10
+            text: expanded ? "⮟" : "⮞"
+            visible: isTreeNode && hasChildren
+            x: padding + (depth * indentation)
+        }
         MultiEffect {
             id: iconOverlay
 
@@ -120,10 +131,8 @@ TreeView {
                 case Qt.LeftButton:
                     if (treeDelegate.hasChildren) {
                         fileSystemTreeView.toggleExpanded(treeDelegate.row);
-                        // fileSystemTreeView.lastIndex = treeDelegate.index
                     } else {
-                        // If this model item doesn't have children, it means it's
+                        // If this model item doesn't have children, it means it's representing a file.
-                        // representing a file.
                         fileSystemTreeView.fileClicked(treeDelegate.filePath);
                     }
                     break;

src/gui/colors.rs

@@ -103,7 +103,7 @@ impl Default for RustColorsImpl {
             explorer_text_selected: QColor::try_from("#262626").unwrap(),
             explorer_background: QColor::try_from("#1E1F22").unwrap(),
             explorer_folder: QColor::try_from("#54585b").unwrap(),
-            explorer_folder_open: QColor::try_from("#2b2b2b").unwrap(),
+            explorer_folder_open: QColor::try_from("#393B40").unwrap(),
             terminal_background: QColor::try_from("#111111").unwrap(),
             info_log: QColor::try_from("#C4FFFF").unwrap(),
             debug_log: QColor::try_from("#9148AF").unwrap(),