Merge branch '4.6' of git@scm.dev.troll.no:qt/qt-widget-team into 4.6

5 files changed, 14 insertions, 5 deletions

diff --git a/src/gui/itemviews/qabstractitemview.cpp b/src/gui/itemviews/qabstractitemview.cpp
index d91cedd..9247411 100644
--- a/src/gui/itemviews/qabstractitemview.cpp
+++ b/src/gui/itemviews/qabstractitemview.cpp
@@ -605,6 +605,8 @@ void QAbstractItemView::setModel(QAbstractItemModel *model)
                    this, SLOT(_q_modelDestroyed()));
         disconnect(d->model, SIGNAL(dataChanged(QModelIndex,QModelIndex)),
                    this, SLOT(dataChanged(QModelIndex,QModelIndex)));
+        disconnect(d->model, SIGNAL(headerDataChanged(Qt::Orientation,int,int)),
+                   this, SLOT(_q_headerDataChanged()));
         disconnect(d->model, SIGNAL(rowsInserted(QModelIndex,int,int)),
                    this, SLOT(rowsInserted(QModelIndex,int,int)));
         disconnect(d->model, SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
@@ -637,6 +639,8 @@ void QAbstractItemView::setModel(QAbstractItemModel *model)
                 this, SLOT(_q_modelDestroyed()));
         connect(d->model, SIGNAL(dataChanged(QModelIndex,QModelIndex)),
                 this, SLOT(dataChanged(QModelIndex,QModelIndex)));
+        connect(d->model, SIGNAL(headerDataChanged(Qt::Orientation,int,int)),
+                this, SLOT(_q_headerDataChanged()));
         connect(d->model, SIGNAL(rowsInserted(QModelIndex,int,int)),
                 this, SLOT(rowsInserted(QModelIndex,int,int)));
         connect(d->model, SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
diff --git a/src/gui/itemviews/qabstractitemview.h b/src/gui/itemviews/qabstractitemview.h
index f438148..7a0509b 100644
--- a/src/gui/itemviews/qabstractitemview.h
+++ b/src/gui/itemviews/qabstractitemview.h
@@ -358,6 +358,7 @@ private:
     Q_PRIVATE_SLOT(d_func(), void _q_rowsRemoved(const QModelIndex&, int, int))
     Q_PRIVATE_SLOT(d_func(), void _q_modelDestroyed())
     Q_PRIVATE_SLOT(d_func(), void _q_layoutChanged())
+    Q_PRIVATE_SLOT(d_func(), void _q_headerDataChanged())
 
     friend class QTreeViewPrivate; // needed to compile with MSVC
     friend class QAccessibleItemRow;
diff --git a/src/gui/itemviews/qabstractitemview_p.h b/src/gui/itemviews/qabstractitemview_p.h
index 66b7662..c691f61 100644
--- a/src/gui/itemviews/qabstractitemview_p.h
+++ b/src/gui/itemviews/qabstractitemview_p.h
@@ -117,6 +117,7 @@ public:
     virtual void _q_columnsInserted(const QModelIndex &parent, int start, int end);
     virtual void _q_modelDestroyed();
     virtual void _q_layoutChanged();
+    void _q_headerDataChanged() { doDelayedItemsLayout(); }
 
     void fetchMore();
 
diff --git a/src/gui/widgets/qdockarealayout.cpp b/src/gui/widgets/qdockarealayout.cpp
index df131ee..6895e09 100644
--- a/src/gui/widgets/qdockarealayout.cpp
+++ b/src/gui/widgets/qdockarealayout.cpp
@@ -2259,7 +2259,7 @@ QRect QDockAreaLayoutInfo::tabContentRect() const
 ** QDockAreaLayout
 */
 
-QDockAreaLayout::QDockAreaLayout(QMainWindow *win) : have_central(false)
+QDockAreaLayout::QDockAreaLayout(QMainWindow *win) : fallbackToSizeHints(true)
 {
     mainWindow = win;
     sep = win->style()->pixelMetric(QStyle::PM_DockWidgetSeparatorExtent, 0, win);
@@ -2346,6 +2346,9 @@ bool QDockAreaLayout::restoreState(QDataStream &stream, const QList<QDockWidget*
             for (int i = 0; i < 4; ++i)
                 corners[i] = static_cast<Qt::DockWidgetArea>(cornerData[i]);
         }
+
+        if (!testing)
+            fallbackToSizeHints = false;
     }
 
     return ok;
@@ -2582,9 +2585,7 @@ void QDockAreaLayout::getGrid(QVector<QLayoutStruct> *_ver_struct_list,
 {
     QSize center_hint(0, 0);
     QSize center_min(0, 0);
-    const bool old_have_central = have_central;
-    have_central = centralWidgetItem != 0 && !centralWidgetItem->isEmpty();
-    const bool fallbackToSizeHints = !old_have_central && have_central;
+    const bool have_central = centralWidgetItem != 0 && !centralWidgetItem->isEmpty();
     if (have_central) {
         center_hint = centralWidgetRect.size();
         if (!center_hint.isValid())
@@ -2630,6 +2631,8 @@ void QDockAreaLayout::getGrid(QVector<QLayoutStruct> *_ver_struct_list,
     QSize bottom_max = docks[QInternal::BottomDock].maximumSize();
     bottom_hint = bottom_hint.boundedTo(bottom_max).expandedTo(bottom_min);
 
+    fallbackToSizeHints = !have_central;
+
     if (_ver_struct_list != 0) {
         QVector<QLayoutStruct> &ver_struct_list = *_ver_struct_list;
         ver_struct_list.resize(3);
diff --git a/src/gui/widgets/qdockarealayout_p.h b/src/gui/widgets/qdockarealayout_p.h
index 1ed14ce..065890d 100644
--- a/src/gui/widgets/qdockarealayout_p.h
+++ b/src/gui/widgets/qdockarealayout_p.h
@@ -233,7 +233,7 @@ public:
     QDockAreaLayout(QMainWindow *win);
     QDockAreaLayoutInfo docks[4];
     int sep; // separator extent
-    bool have_central;
+    bool fallbackToSizeHints; //determines if we should use the sizehint for the dock areas (true until the layout is restored or the central widget is set)
     mutable QVector<QWidget*> separatorWidgets;
 
     bool isValid() const;