diff options
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbconnection.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/plugins/platforms/xcb/qxcbconnection.cpp b/src/plugins/platforms/xcb/qxcbconnection.cpp index 74f48b0136..08676152dc 100644 --- a/src/plugins/platforms/xcb/qxcbconnection.cpp +++ b/src/plugins/platforms/xcb/qxcbconnection.cpp @@ -252,6 +252,14 @@ void QXcbConnection::updateScreens(const xcb_randr_notify_event_t *event) otherScreen->addVirtualSibling(screen); m_screens << screen; QXcbIntegration::instance()->screenAdded(screen, screen->isPrimary()); + + // Windows which had null screens have already had expose events by now. + // They need to be told the screen is back, it's OK to render. + foreach (QWindow *window, QGuiApplication::topLevelWindows()) { + QXcbWindow *xcbWin = static_cast<QXcbWindow*>(window->handle()); + if (xcbWin) + xcbWin->maybeSetScreen(screen); + } } // else ignore disabled screens } else if (screen) { |