diff options
| author | Błażej Szczygieł <spaz16@wp.pl> | 2016-06-11 18:39:23 +0200 |
|---|---|---|
| committer | Błażej Szczygieł <spaz16@wp.pl> | 2016-06-30 06:51:48 +0000 |
| commit | e2665600c09358854bb0b29389cc873a2684f77b (patch) | |
| tree | 7bf35ce49c9d62959b96755fce17000e94067fdc /src/plugins | |
| parent | 25f040820ce3cd97868f7e432e612532bfdca962 (diff) | |
xcb: Send expose event while shrinking windows
Send synthesized expose event while shrinking the QWindow. This fixes
the regression which can break some applications which need the paint
events while shrinking the QWindow.
Added auto test.
Task-number: QTBUG-54040
Change-Id: Iaa992abba67f428237fa12c6cae56592b8fcadb0
Reviewed-by: Gatis Paeglis <gatis.paeglis@qt.io>
Reviewed-by: Louai Al-Khanji <louai.al-khanji@qt.io>
Diffstat (limited to 'src/plugins')
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbwindow.cpp | 9 | ||||
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbwindow.h | 1 |
2 files changed, 10 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; diff --git a/src/plugins/platforms/xcb/qxcbwindow.h b/src/plugins/platforms/xcb/qxcbwindow.h index 9ad0153ca2..e7190b1733 100644 --- a/src/plugins/platforms/xcb/qxcbwindow.h +++ b/src/plugins/platforms/xcb/qxcbwindow.h @@ -256,6 +256,7 @@ protected: mutable QMargins m_frameMargins; QRegion m_exposeRegion; + QSize m_oldWindowSize; xcb_visualid_t m_visualId; int m_lastWindowStateEvent; |