3 files changed, 23 insertions, 1 deletions
diff --git a/src/gui/kernel/qwindow.cpp b/src/gui/kernel/qwindow.cpp
index 3b01a0d352..121791d2f3 100644
--- a/src/gui/kernel/qwindow.cpp
+++ b/src/gui/kernel/qwindow.cpp
@@ -152,6 +152,24 @@ bool QWindow::isTopLevel() const
     return d->windowFlags & Qt::Window;
 }
 
+bool QWindow::isModal() const
+{
+    Q_D(const QWindow);
+    return d->modality != Qt::NonModal;
+}
+
+Qt::WindowModality QWindow::windowModality() const
+{
+    Q_D(const QWindow);
+    return d->modality;
+}
+
+void QWindow::setWindowModality(Qt::WindowModality windowModality)
+{
+    Q_D(QWindow);
+    d->modality = windowModality;
+}
+
 void QWindow::setWindowFormat(const QWindowFormat &format)
 {
     Q_D(QWindow);
diff --git a/src/gui/kernel/qwindow.h b/src/gui/kernel/qwindow.h
index 22dbf48538..de4e414703 100644
--- a/src/gui/kernel/qwindow.h
+++ b/src/gui/kernel/qwindow.h
@@ -96,7 +96,9 @@ public:
 
     bool isTopLevel() const;
 
-    QWindow *topLevelWindow() const;
+    bool isModal() const;
+    Qt::WindowModality windowModality() const;
+    void setWindowModality(Qt::WindowModality windowModality);
 
     void setWindowFormat(const QWindowFormat &format);
     QWindowFormat requestedWindowFormat() const;
diff --git a/src/gui/kernel/qwindow_p.h b/src/gui/kernel/qwindow_p.h
index 215a18d27e..f52dd559f1 100644
--- a/src/gui/kernel/qwindow_p.h
+++ b/src/gui/kernel/qwindow_p.h
@@ -92,6 +92,8 @@ public:
     QSize maximumSize;
     QSize baseSize;
     QSize sizeIncrement;
+
+    Qt::WindowModality modality;
 };