From ce4522cb341340e98427d678664ea84761e3ca07 Mon Sep 17 00:00:00 2001 From: Thierry Bastian Date: Tue, 1 Dec 2009 15:32:43 +0100 Subject: Fixed a potential crash in QDockWidget This happened when inserting the gap over a place holder item. Task-number: QTBUG-6107 Reviewed-by: Gabi --- src/gui/widgets/qdockarealayout.cpp | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'src/gui') diff --git a/src/gui/widgets/qdockarealayout.cpp b/src/gui/widgets/qdockarealayout.cpp index 497030081b..9422bdc613 100644 --- a/src/gui/widgets/qdockarealayout.cpp +++ b/src/gui/widgets/qdockarealayout.cpp @@ -1167,7 +1167,8 @@ bool QDockAreaLayoutInfo::insertGap(QList path, QLayoutItem *dockWidgetItem QDockAreaLayoutInfo *subinfo = item.subinfo; QLayoutItem *widgetItem = item.widgetItem; - QRect r = subinfo == 0 ? dockedGeometry(widgetItem->widget()) : subinfo->rect; + QPlaceHolderItem *placeHolderItem = item.placeHolderItem; + QRect r = subinfo == 0 ? widgetItem ? dockedGeometry(widgetItem->widget()) : placeHolderItem->topLevelRect : subinfo->rect; Qt::Orientation opposite = o == Qt::Horizontal ? Qt::Vertical : Qt::Horizontal; #ifdef QT_NO_TABBAR @@ -1176,13 +1177,15 @@ bool QDockAreaLayoutInfo::insertGap(QList path, QLayoutItem *dockWidgetItem QDockAreaLayoutInfo *new_info = new QDockAreaLayoutInfo(sep, dockPos, opposite, tabBarShape, mainWindow); + //item become a new top-level item.subinfo = new_info; item.widgetItem = 0; + item.placeHolderItem = 0; QDockAreaLayoutItem new_item = widgetItem == 0 ? QDockAreaLayoutItem(subinfo) - : QDockAreaLayoutItem(widgetItem); + : widgetItem ? QDockAreaLayoutItem(widgetItem) : QDockAreaLayoutItem(placeHolderItem); new_item.size = pick(opposite, r.size()); new_item.pos = pick(opposite, r.topLeft()); new_info->item_list.append(new_item); -- cgit v1.2.3