fix marking messages as read by scrolling

resources/qml/MessageView.qml

@@ -84,6 +84,16 @@ Item {
                 messageContextMenu: messageContextMenuC
                 replyContextMenu: replyContextMenuC
                 scrolledToThis: eventId === room.scrollTarget && (y + height > chat.y + chat.contentY && y < chat.y + chat.height + chat.contentY)
+                data: [
+                    Connections {
+                        function onMovementEnded() {
+                            if (y + height + 2 * chat.spacing > chat.contentY + chat.height && y < chat.contentY + chat.height) {
+                                room.currentIndex = index;
+                            }
+                        }
+                        target: chat
+                    }
+                ]
             }
         }
         Component {
@@ -94,6 +104,16 @@ Item {
                 messageContextMenu: messageContextMenuC
                 replyContextMenu: replyContextMenuC
                 scrolledToThis: eventId === room.scrollTarget && (y + height > chat.y + chat.contentY && y < chat.y + chat.height + chat.contentY)
+                data: [
+                    Connections {
+                        function onMovementEnded() {
+                            if (y + height + 2 * chat.spacing > chat.contentY + chat.height && y < chat.contentY + chat.height) {
+                                room.currentIndex = index;
+                            }
+                        }
+                        target: chat
+                    }
+                ]
             }
         }
 

resources/qml/TimelineBubbleMessageStyle.qml

@@ -45,7 +45,6 @@ TimelineEvent {
     property int avatarMargin: (wrapper.isStateEvent || Settings.smallAvatars ? 0 : (Nheko.avatarSize + 8)) // align bubble with section header
 
     property alias hovered: messageHover.hovered
-    property bool scrolledToThis: false
 
     mainInset: (threadId ? (4 + Nheko.paddingSmall) : 0) + 4
     replyInset: mainInset + 4 + Nheko.paddingSmall

resources/qml/TimelineDefaultMessageStyle.qml

@@ -45,7 +45,6 @@ TimelineEvent {
     property int avatarMargin: (wrapper.isStateEvent || Settings.smallAvatars ? 0 : (Nheko.avatarSize + 8)) // align bubble with section header
 
     property alias hovered: messageHover.hovered
-    property bool scrolledToThis: false
 
     mainInset: (threadId ? (4 + Nheko.paddingSmall) : 0)
     replyInset: mainInset + 4 + Nheko.paddingSmall
@@ -127,7 +126,9 @@ TimelineEvent {
                         to: 0
                     }
                     ScriptAction {
-                        script: wrapper.room.eventShown()
+                        script: {
+                            wrapper.room.eventShown();
+                        }
                     }
                 }
             }

resources/qml/TimelineEvent.qml

@@ -13,6 +13,7 @@ EventDelegateChooser {
     id: wrapper
 
     required property bool isStateEvent
+    property bool scrolledToThis: false
 
     // qmllint disable required
     EventDelegateChoice {