Prevent RoomEventDelegate startup position glitch

TODO.md

@@ -13,7 +13,9 @@
   - RoomEventsList scrolling when resizing the window
 
 - UI
+  - Invite to room
   - Accounts delegates background
+  - SidePane delegates hover effect
   - Server selection
   - Register/Forgot? for SignIn dialog
   - Scaling
@@ -32,7 +34,6 @@
 - Major features
   - E2E
     - Device verification
-      - Member pane
     - Edit/delete own devices
     - Request room keys from own other devices
     - Auto-trust accounts within the same client

harmonyqml/components/Chat/Chat.qml

@@ -85,6 +85,8 @@ HColumnLayout {
             onActiveViewChanged:
                 activeView ? restoreAnimation.start() : hideAnimation.start()
 
+            property bool wasHiddenOnce: false
+
             NumberAnimation {
                 id: hideAnimation
                 target: roomSidePane
@@ -92,7 +94,9 @@ HColumnLayout {
                 duration: HStyle.animationDuration
                 from: target.width
                 to: 0
+
                 onStarted: {
+                    target.wasHiddenOnce = true
                     target.oldWidth = target.width
                     target.Layout.minimumWidth = 0
                 }
@@ -105,6 +109,10 @@ HColumnLayout {
                 duration: HStyle.animationDuration
                 from: 0
                 to: target.oldWidth
+
+                // Prevent RoomEventDelegate positions glitch on startup
+                onStarted: if (! target.wasHiddenOnce) { complete() }
+
                 onStopped: target.Layout.minimumWidth = Qt.binding(
                     function() { return HStyle.avatar.size }
                 )