Merge pull request #7457 from patrickelectric/combobox

Fix CheckBox centralization 

src/QmlControls/QGCRadioButton.qml

@@ -24,7 +24,8 @@ RadioButton {
         y:                      parent.height / 2 - height / 2
         Rectangle {
             anchors.centerIn:   parent
-            width:              Math.round(parent.width * 0.5)
+            // Width should be an odd number to be centralized by the parent properly
+            width:              2 * Math.floor(parent.width / 4) + 1
             height:             width
             antialiasing:       true
             radius:             height * 0.5

src/QmlControls/ScreenTools.qml

@@ -91,7 +91,8 @@ Item {
     property real implicitComboBoxHeight:           Math.round(defaultFontPixelHeight * (isMobile ? 2.0 : 1.6))
     property real implicitComboBoxWidth:            Math.round(defaultFontPixelWidth *  (isMobile ? 7.0 : 5.0))
     property real implicitSliderHeight:             isMobile ? Math.max(defaultFontPixelHeight, minTouchPixels) : defaultFontPixelHeight
-    property real checkBoxIndicatorSize:            Math.round(defaultFontPixelHeight * (isMobile ? 1.5 : 1.0))
+    // It's not possible to centralize an even number of pixels, checkBoxIndicatorSize should be an odd number to allow centralization
+    property real checkBoxIndicatorSize:            2 * Math.floor(defaultFontPixelHeight * (isMobile ? 1.5 : 1.0) / 2) + 1
     property real radioButtonIndicatorSize:         checkBoxIndicatorSize
 
     readonly property string normalFontFamily:      ScreenToolsController.normalFontFamily