diff options
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbwindow.cpp')
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbwindow.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp index 6e021ced23..9c5609bb8d 100644 --- a/src/plugins/platforms/xcb/qxcbwindow.cpp +++ b/src/plugins/platforms/xcb/qxcbwindow.cpp @@ -745,6 +745,22 @@ void QXcbWindow::setGeometry(const QRect &rect) QMargins QXcbWindow::frameMargins() const { if (m_dirtyFrameMargins) { + if (connection()->wmSupport()->isSupportedByWM(atom(QXcbAtom::_NET_FRAME_EXTENTS))) { + xcb_get_property_cookie_t cookie = xcb_get_property(xcb_connection(), false, m_window, + atom(QXcbAtom::_NET_FRAME_EXTENTS), XCB_ATOM_CARDINAL, 0, 4); + QScopedPointer<xcb_get_property_reply_t, QScopedPointerPodDeleter> reply( + xcb_get_property_reply(xcb_connection(), cookie, NULL)); + if (reply && reply->type == XCB_ATOM_CARDINAL && reply->format == 32 && reply->value_len == 4) { + quint32 *data = (quint32 *)xcb_get_property_value(reply.data()); + // _NET_FRAME_EXTENTS format is left, right, top, bottom + m_frameMargins = QMargins(data[0], data[2], data[1], data[3]); + m_dirtyFrameMargins = false; + return m_frameMargins; + } + } + + // _NET_FRAME_EXTENTS property is not available, so + // walk up the window tree to get the frame parent xcb_window_t window = m_window; xcb_window_t parent = m_window; @@ -2385,6 +2401,8 @@ void QXcbWindow::handlePropertyNotifyEvent(const xcb_property_notify_event_t *ev m_windowState = newState; } return; + } else if (event->atom == atom(QXcbAtom::_NET_FRAME_EXTENTS)) { + m_dirtyFrameMargins = true; } else if (event->atom == atom(QXcbAtom::_NET_WORKAREA) && xcbScreen() && event->window == xcbScreen()->root()) { xcbScreen()->updateGeometry(event->time); } |