QQuickTableView: sync viewport rect with syncView when rebuilding

When moving contentX/Y, we also need to ensure that the viewport rect
reflects the change. Otherwise we'll end up loading rows and columns
somewhere else then under the viewport.

Change-Id: Ifbd3d66b9b3a822414aefde9b5bd088274dfa2ad
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

1 files changed, 7 insertions, 2 deletions

diff --git a/src/quick/items/qquicktableview.cpp b/src/quick/items/qquicktableview.cpp
index 48736f8d47..af4373317b 100644
--- a/src/quick/items/qquicktableview.cpp
+++ b/src/quick/items/qquicktableview.cpp
@@ -1644,10 +1644,15 @@ void QQuickTableViewPrivate::beginRebuildTable()
     loadedTableInnerRect = QRect();
     clearEdgeSizeCache();
 
-    if (syncHorizontally)
+    if (syncHorizontally) {
         setLocalViewportX(syncView->contentX());
-    if (syncVertically)
+        viewportRect.moveLeft(syncView->d_func()->viewportRect.left());
+    }
+
+    if (syncVertically) {
         setLocalViewportY(syncView->contentY());
+        viewportRect.moveTop(syncView->d_func()->viewportRect.top());
+    }
 
     if (!model) {
         qCDebug(lcTableViewDelegateLifecycle()) << "no model found, leaving table empty";