diff options
| author | Shawn Rutledge <shawn.rutledge@theqtcompany.com> | 2015-09-04 13:27:48 +0200 |
|---|---|---|
| committer | Shawn Rutledge <shawn.rutledge@theqtcompany.com> | 2015-09-24 20:16:08 +0000 |
| commit | d72da0b4b2ee089156d1bd614523838b1635bbf5 (patch) | |
| tree | 443ea361d136186802fb28ca7c49263f190fe88a /src/plugins/platforms/xcb/qxcbconnection.cpp | |
| parent | 61b608dfb578e873239eda957988a54ebe321c59 (diff) | |
xcb: fix yet another crash when screens are disconnected
Can't assume that m_screens is not an empty list.
Task-number: QTBUG-42985
Change-Id: I6f9422638c219123dc898813910d03c7afbd1450
Reviewed-by: Uli Schlachter <psychon@znc.in>
Reviewed-by: Laszlo Agocs <laszlo.agocs@theqtcompany.com>
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbconnection.cpp')
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbconnection.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/plugins/platforms/xcb/qxcbconnection.cpp b/src/plugins/platforms/xcb/qxcbconnection.cpp index f65437fd43..c35b019f7e 100644 --- a/src/plugins/platforms/xcb/qxcbconnection.cpp +++ b/src/plugins/platforms/xcb/qxcbconnection.cpp @@ -1300,10 +1300,12 @@ void QXcbConnection::sendConnectionEvent(QXcbAtom::Atom a, uint id) memset(&event, 0, sizeof(event)); const xcb_window_t eventListener = xcb_generate_id(m_connection); + xcb_screen_iterator_t it = xcb_setup_roots_iterator(m_setup); + xcb_screen_t *screen = it.data; Q_XCB_CALL(xcb_create_window(m_connection, XCB_COPY_FROM_PARENT, - eventListener, m_screens.at(0)->root(), + eventListener, screen->root, 0, 0, 1, 1, 0, XCB_WINDOW_CLASS_INPUT_ONLY, - m_screens.at(0)->screen()->root_visual, 0, 0)); + screen->root_visual, 0, 0)); event.response_type = XCB_CLIENT_MESSAGE; event.format = 32; |