Added a QTest::qWaitForWindowShown function that waits for window manager on X11.

On X11 it calls the qt_x11_wait_for_window_manager from QtGui,
allowing to wait until the window has been mapped and reparented into
a frame decoration parent.

Reviewed-by: Olivier Goffart

1 files changed, 6 insertions, 0 deletions

diff --git a/doc/src/snippets/code/src_qtestlib_qtestcase.cpp b/doc/src/snippets/code/src_qtestlib_qtestcase.cpp
index bf2a8973ea..951dfbbdf0 100644
--- a/doc/src/snippets/code/src_qtestlib_qtestcase.cpp
+++ b/doc/src/snippets/code/src_qtestlib_qtestcase.cpp
@@ -225,5 +225,11 @@ void MyTestClass::cleanup()
 QTest::qSleep(250);
 //! [23]
 
+//! [24]
+QWidget widget;
+widget.show();
+QTest::qWaitForWindowShown(&widget);
+//! [24]
+
 }