Index: sources/gui/qml/components/IconButton.qml
===================================================================
diff -u -r3ef1a4ff361ba1774ad1a6f6170dbb174cadbdd5 -rca05e940ea4a0c567acb05c4c8777dea079b0f08
--- sources/gui/qml/components/IconButton.qml	(.../IconButton.qml)	(revision 3ef1a4ff361ba1774ad1a6f6170dbb174cadbdd5)
+++ sources/gui/qml/components/IconButton.qml	(.../IconButton.qml)	(revision ca05e940ea4a0c567acb05c4c8777dea079b0f08)
@@ -23,6 +23,7 @@
     property int    iconSize        : Variables.iconButtonSize
     property string iconImageSource : ""
     property int    extraSpace      : Variables.defaultMargin
+    readonly property alias  icon   : _iconImage
 
     width       : iconSize + extraSpace
     height      : iconSize + extraSpace
@@ -35,5 +36,7 @@
         width   : iconSize
         fillMode: Image.PreserveAspectFit
         source  : iconImageSource
+        smooth: true
+        mipmap: true
     }
 }