qml: adjust implicit height of PlayerButtonsLayout

modules/gui/qt/player/qml/PlayerButtonsLayout.qml

@@ -26,7 +26,7 @@ import "qrc:///widgets/" as Widgets
 FocusScope {
     id: playerButtonsLayout
 
-    implicitHeight: Math.max(buttonrow_left.implicitHeight, buttonrow_center.implicitHeight, buttonrow_right.implicitHeight)
+    implicitHeight: VLCStyle.maxControlbarControlHeight
 
     property alias parentWindow: controlmodelbuttons.parentWindow
 
@@ -69,7 +69,8 @@ FocusScope {
 
         anchors {
             left: parent.left
-            verticalCenter: parent.verticalCenter
+            top: parent.top
+            bottom: parent.bottom
 
             leftMargin: marginLeft
             topMargin: marginTop
@@ -102,7 +103,9 @@ FocusScope {
         id: buttonrow_center
 
         anchors {
-            centerIn: parent
+            horizontalCenter: parent.horizontalCenter
+            top: parent.top
+            bottom: parent.bottom
 
             topMargin: playerButtonsLayout.marginTop
             bottomMargin: playerButtonsLayout.marginBottom
@@ -129,7 +132,8 @@ FocusScope {
 
         anchors {
             right: parent.right
-            verticalCenter: parent.verticalCenter
+            top: parent.top
+            bottom: parent.bottom
 
             rightMargin: marginRight
             topMargin: marginTop