Added scrollbars for lists and text fields. Added saving to the path settings for configuration files and the current language. Various UI improvements

qml/Controls/ScrollBar.qml

@@ -5,22 +5,36 @@ import Utils 1.0
 
 ScrollBar {
     id: control
-    size: 0.3
-    position: 0.2
-    active: true
-    orientation: Qt.Vertical
+
+    implicitWidth: Math.max(implicitBackgroundWidth + leftInset + rightInset,
+                            implicitContentWidth + leftPadding + rightPadding)
+    implicitHeight: Math.max(implicitBackgroundHeight + topInset + bottomInset,
+                             implicitContentHeight + topPadding + bottomPadding)
+
+    padding: 2
+    visible: control.policy !== ScrollBar.AlwaysOff
+    minimumSize: orientation == Qt.Horizontal ? height / width : width / height
 
     contentItem: Rectangle {
-        implicitWidth: 12
-        implicitHeight: 100
-        radius: width / 2
-        color: Palette.alternativeBackgroundColor
-        // Hide the ScrollBar when it's not needed.
-        opacity: control.policy === ScrollBar.AlwaysOn || (control.active && control.size < 1.0) ? 0.75 : 0
+        implicitWidth: control.interactive ? 6 : 2
+        implicitHeight: control.interactive ? 6 : 2
 
-        // Animate the changes in opacity (default duration is 250 ms).
-        Behavior on opacity {
-            NumberAnimation {}
+        radius: width / 2
+        color: control.pressed ? Palette.alternativeBackgroundColor : Qt.lighter(Palette.alternativeBackgroundColor, 1.1)
+        opacity: 0.0
+
+        states: State {
+            name: "active"
+            when: control.policy === ScrollBar.AlwaysOn || (control.active && control.size < 1.0)
+            PropertyChanges { target: control.contentItem; opacity: 0.75 }
+        }
+
+        transitions: Transition {
+            from: "active"
+            SequentialAnimation {
+                PauseAnimation { duration: 450 }
+                NumberAnimation { target: control.contentItem; duration: 200; property: "opacity"; to: 0.0 }
+            }
         }
     }
 }