From c70eae8288cccb92e54e3c73f0ca257af033178a Mon Sep 17 00:00:00 2001
From: Thierry Bastian <thierry.bastian@nokia.com>
Date: Thu, 30 Apr 2009 12:07:59 +0200
Subject: Fixes a possible issue in itemviws where we would not scroll to the
 current item on show

Task-number: 252534
Reviewed-by: ogoffart
---
 src/gui/itemviews/qabstractitemview.cpp | 26 ++++++++++++++++----------
 src/gui/itemviews/qabstractitemview_p.h |  1 +
 2 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/src/gui/itemviews/qabstractitemview.cpp b/src/gui/itemviews/qabstractitemview.cpp
index 975decc..83e05b4 100644
--- a/src/gui/itemviews/qabstractitemview.cpp
+++ b/src/gui/itemviews/qabstractitemview.cpp
@@ -88,6 +88,7 @@ QAbstractItemViewPrivate::QAbstractItemViewPrivate()
         autoScroll(true),
         autoScrollMargin(16),
         autoScrollCount(0),
+        shouldScrollToCurrentOnShow(false),
         alternatingColors(false),
         textElideMode(Qt::ElideRight),
         verticalScrollMode(QAbstractItemView::ScrollPerItem),
@@ -1380,8 +1381,9 @@ bool QAbstractItemView::event(QEvent *event)
         d->executePostedLayout(); //make sure we set the layout properly
         break;
     case QEvent::Show:
-        if (d->delayedPendingLayout) {
-            d->executePostedLayout(); //make sure we set the layout properly
+        d->executePostedLayout(); //make sure we set the layout properly
+        if (d->shouldScrollToCurrentOnShow) {
+            d->shouldScrollToCurrentOnShow = false;
             const QModelIndex current = currentIndex();
             if (current.isValid() && (d->state == QAbstractItemView::EditingState || d->autoScroll))
                 scrollTo(current);
@@ -3163,14 +3165,18 @@ void QAbstractItemView::currentChanged(const QModelIndex &current, const QModelI
             d->updateDirtyRegion();
         }
     }
-    if (isVisible() && current.isValid() && !d->autoScrollTimer.isActive()) {
-        if (d->autoScroll)
-            scrollTo(current);
-        d->setDirtyRegion(visualRect(current));
-        d->updateDirtyRegion();
-        edit(current, CurrentChanged, 0);
-        if (current.row() == (d->model->rowCount(d->root) - 1))
-            d->_q_fetchMore();
+    if (current.isValid() && !d->autoScrollTimer.isActive()) {
+        if (isVisible()) {
+            if (d->autoScroll)
+                scrollTo(current);
+            d->setDirtyRegion(visualRect(current));
+            d->updateDirtyRegion();
+            edit(current, CurrentChanged, 0);
+            if (current.row() == (d->model->rowCount(d->root) - 1))
+                d->_q_fetchMore();
+        } else {
+            d->shouldScrollToCurrentOnShow = d->autoScroll;
+        }
     }
 }
 
diff --git a/src/gui/itemviews/qabstractitemview_p.h b/src/gui/itemviews/qabstractitemview_p.h
index 37fe4a2..16bd1ab 100644
--- a/src/gui/itemviews/qabstractitemview_p.h
+++ b/src/gui/itemviews/qabstractitemview_p.h
@@ -359,6 +359,7 @@ public:
     QBasicTimer autoScrollTimer;
     int autoScrollMargin;
     int autoScrollCount;
+    bool shouldScrollToCurrentOnShow; //used to know if we should scroll to current on show event
 
     bool alternatingColors;
 
-- 
cgit v0.12