Usability tweaks for editing ratings

Adjust ratings text now has mouse hover, and sliders can be clicked
on the track to adjust the value directly

src/GUI/AircraftRatingsPanel.qml

@@ -18,18 +18,14 @@ ListHeaderBox
             anchors.verticalCenter: parent.verticalCenter
         },
 
-        Text {
+        ClickableText {
             anchors.right: parent.right
             anchors.rightMargin: Style.margin
             text: qsTr("Adjust minimum ratings")
             anchors.verticalCenter: parent.verticalCenter
-
-            MouseArea {
-                anchors.fill: parent
             onClicked:  {
                 editRatingsPanel.visible = true
             }
-            }
         },
 
         // mouse are behind panel to consume clicks

src/GUI/ClickableText.qml

@@ -0,0 +1,16 @@
+import QtQuick 2.0
+import "."
+
+Text {
+    signal clicked();
+
+    color: mouse.containsMouse ? Style.themeColor : Style.baseTextColor
+
+    MouseArea {
+        id: mouse
+        hoverEnabled: true
+        anchors.fill: parent
+
+        onClicked: parent.clicked();
+    }
+}

src/GUI/Slider.qml

@@ -2,6 +2,7 @@ import QtQuick 2.0
 import "."
 
 Item {
+    id: root
     property alias label: labelText.text
 
     property int min: 0
@@ -39,6 +40,18 @@ Item {
             width: parent.width * __percentFull
         }
 
+        MouseArea {
+            id: clickTrackArea
+            anchors.centerIn: parent
+            width: parent.width
+            height: root.height
+
+            onClicked: {
+                var frac = mouse.x / width;
+                root.value = min + 0.5 + (max - min) * frac;
+            }
+        }
+
         // invisble item that moves directly with the mouse
         Item {
             id: dragThumb

src/GUI/resources.qrc

@@ -55,6 +55,7 @@
         <file>UpdateAllPanel.qml</file>
         <file>Style.qml</file>
         <file>qmldir</file>
+        <file>ClickableText.qml</file>
     </qresource>
     <qresource prefix="/preview">
         <file alias="close-icon">preview-close.png</file>