diff options
| -rw-r--r-- | src/widgets/widgets/qdockarealayout.cpp | 10 | ||||
| -rw-r--r-- | src/widgets/widgets/qdockarealayout_p.h | 1 | ||||
| -rw-r--r-- | src/widgets/widgets/qmainwindowlayout.cpp | 11 |
3 files changed, 20 insertions, 2 deletions
diff --git a/src/widgets/widgets/qdockarealayout.cpp b/src/widgets/widgets/qdockarealayout.cpp index 63f8172bf6..ad19e5d5f9 100644 --- a/src/widgets/widgets/qdockarealayout.cpp +++ b/src/widgets/widgets/qdockarealayout.cpp @@ -266,6 +266,16 @@ bool QDockAreaLayoutInfo::isEmpty() const return next(-1) == -1; } +bool QDockAreaLayoutInfo::onlyHasPlaceholders() const +{ + for (const QDockAreaLayoutItem &item : item_list) { + if (!item.placeHolderItem) + return false; + } + + return true; +} + QSize QDockAreaLayoutInfo::minimumSize() const { if (isEmpty()) diff --git a/src/widgets/widgets/qdockarealayout_p.h b/src/widgets/widgets/qdockarealayout_p.h index f22a3d2de2..21787283f4 100644 --- a/src/widgets/widgets/qdockarealayout_p.h +++ b/src/widgets/widgets/qdockarealayout_p.h @@ -167,6 +167,7 @@ public: void clear(); bool isEmpty() const; + bool onlyHasPlaceholders() const; bool hasFixedSize() const; QList<int> findSeparator(const QPoint &pos) const; int next(int idx) const; diff --git a/src/widgets/widgets/qmainwindowlayout.cpp b/src/widgets/widgets/qmainwindowlayout.cpp index aef8b9cbd5..14d7f3d835 100644 --- a/src/widgets/widgets/qmainwindowlayout.cpp +++ b/src/widgets/widgets/qmainwindowlayout.cpp @@ -1030,12 +1030,19 @@ bool QMainWindowLayoutState::restoreState(QDataStream &_stream, Qt::Horizontal, QTabBar::RoundedSouth, mainWindow); QRect geometry; stream >> geometry; - if (!floatingTab->layoutInfo()->restoreState(stream, dockWidgets, false)) + QDockAreaLayoutInfo *info = floatingTab->layoutInfo(); + if (!info->restoreState(stream, dockWidgets, false)) return false; geometry = QDockAreaLayout::constrainedRect(geometry, floatingTab); floatingTab->move(geometry.topLeft()); floatingTab->resize(geometry.size()); - floatingTab->show(); + + // Don't show an empty QDockWidgetGroupWindow if no dock widget is available yet. + // reparentWidgets() would be triggered by show(), so do it explicitly here. + if (info->onlyHasPlaceholders()) + info->reparentWidgets(floatingTab); + else + floatingTab->show(); } break; #endif // QT_NO_TABBAR |