diff options
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbwindow.cpp')
-rw-r--r-- | src/plugins/platforms/xcb/qxcbwindow.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp index fc04d6afc4..bf1fd2e177 100644 --- a/src/plugins/platforms/xcb/qxcbwindow.cpp +++ b/src/plugins/platforms/xcb/qxcbwindow.cpp @@ -2102,6 +2102,15 @@ void QXcbWindow::handleConfigureNotifyEvent(const xcb_configure_notify_event_t * // will make the comparison later. QWindowSystemInterface::handleWindowScreenChanged(window(), newScreen->screen()); + // Send the synthetic expose event on resize only when the window is shrinked, + // because the "XCB_GRAVITY_NORTH_WEST" flag doesn't send it automatically. + if (!m_oldWindowSize.isEmpty() + && (actualGeometry.width() < m_oldWindowSize.width() + || actualGeometry.height() < m_oldWindowSize.height())) { + QWindowSystemInterface::handleExposeEvent(window(), QRegion(0, 0, actualGeometry.width(), actualGeometry.height())); + } + m_oldWindowSize = actualGeometry.size(); + if (m_usingSyncProtocol && m_syncState == SyncReceived) m_syncState = SyncAndConfigureReceived; |