Hide scrollbar when there is nothing to scroll

Fixes #756.
victronenergy · Feb 19, 2024 · c382a49 · c382a49
1 parent 6dd8356
commit c382a49
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diff --git a/components/controls/ScrollBar.qml b/components/controls/ScrollBar.qml
@@ -21,6 +21,12 @@ CT.ScrollBar {
 	rightPadding: Theme.geometry_scrollBar_horizontalMargin
 	minimumSize: orientation == Qt.Horizontal ? height / width : width / height
 
+	// Hide the scrollbar when there is nothing to scroll.
+	// QTBUG-70470: Use ScrollBar.AsNeeded policy once it works
+	enabled: parent.contentHeight > parent.height
+	opacity: enabled ? 1.0 : 0.0
+	Behavior on opacity { OpacityAnimator { duration: Theme.animation_scrollbar_fade_duration; easing: Easing.InOutQuad } }
+
 	background: Item {
 		implicitWidth: Theme.geometry_scrollBar_bar_width
 		implicitHeight: 100

diff --git a/themes/animation/Animation.json b/themes/animation/Animation.json
@@ -13,6 +13,7 @@
     "animation_briefPage_gaugeLabel_initialize_duration": 400,
     "animation_controlCards_slide_duration": 150,
     "animation_toastNotification_fade_duration": 250,
+    "animation_scrollbar_fade_duration": 250,
     "animation_generator_starting_toastNotification_autoClose_duration": 5000,
     "animation_generator_stopping_toastNotification_autoClose_duration": 3000,
     "animation_generator_stopWhenAc1Available_toastNotification_autoClose_duration": 10000,