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-rw-r--r--tools/uilib/container.h7
-rw-r--r--tools/uilib/container.qdoc27
2 files changed, 34 insertions, 0 deletions
diff --git a/tools/uilib/container.h b/tools/uilib/container.h
index 89df461e02..f0d89faa08 100644
--- a/tools/uilib/container.h
+++ b/tools/uilib/container.h
@@ -65,6 +65,13 @@ public:
virtual void addWidget(QWidget *widget) = 0;
virtual void insertWidget(int index, QWidget *widget) = 0;
virtual void remove(int index) = 0;
+
+ virtual bool canAddWidget() const
+ // ### Qt6 remove body, provided in Qt5 for source compatibility to Qt4.
+ { return true; }
+ virtual bool canRemove(int index) const
+ // ### Qt6 remove body, provided in Qt5 for source compatibility to Qt4.
+ { Q_UNUSED(index); return true; }
};
Q_DECLARE_EXTENSION_INTERFACE(QDesignerContainerExtension, "com.trolltech.Qt.Designer.Container")
diff --git a/tools/uilib/container.qdoc b/tools/uilib/container.qdoc
index d9310515d3..f8e0670811 100644
--- a/tools/uilib/container.qdoc
+++ b/tools/uilib/container.qdoc
@@ -170,3 +170,30 @@
\sa addWidget(), insertWidget()
*/
+
+/*!
+ \fn bool QDesignerContainerExtension::canAddWidget() const
+
+ Returns whether a widget can be added. This determines whether
+ the context menu options to add or insert pages are enabled.
+
+ This should return false for containers that have a single, fixed
+ page, for example QScrollArea or QDockWidget.
+
+ \since 5.0
+ \sa addWidget(), canRemove()
+*/
+
+/*!
+ \fn bool QDesignerContainerExtension::canRemove(int index) const
+
+ Returns whether the widget at the given \a index can be removed.
+ This determines whether the context menu option to remove the current
+ page is enabled.
+
+ This should return false for containers that have a single, fixed
+ page, for example QScrollArea or QDockWidget.
+
+ \since 5.0
+ \sa remove(), canAddWidget()
+*/