From e4cea305ed2ba3c9f580bf9d16c59a1048af0e8a Mon Sep 17 00:00:00 2001 From: David Rosca Date: Wed, 16 Mar 2016 08:35:22 +0100 Subject: xcb: Merge _NET_WM_STATE hints instead of overwriting This makes possible to set custom _NET_WM_STATE hints before showing the window. Change-Id: I86ad3863f7a8b3bb610a31b9af4b02c9d38eb111 Task-number: QTBUG-26978 Reviewed-by: Ilya Kotov Reviewed-by: Shawn Rutledge Reviewed-by: Uli Schlachter --- src/plugins/platforms/xcb/qxcbwindow.cpp | 32 ++++++++++++++++++++++++-------- 1 file changed, 24 insertions(+), 8 deletions(-) diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp index a0b1ddb434..f4c455f278 100644 --- a/src/plugins/platforms/xcb/qxcbwindow.cpp +++ b/src/plugins/platforms/xcb/qxcbwindow.cpp @@ -1091,21 +1091,37 @@ QXcbWindow::NetWmStates QXcbWindow::netWmStates() void QXcbWindow::setNetWmStates(NetWmStates states) { QVector atoms; - if (states & NetWmStateAbove) + + xcb_get_property_cookie_t get_cookie = + xcb_get_property_unchecked(xcb_connection(), 0, m_window, atom(QXcbAtom::_NET_WM_STATE), + XCB_ATOM_ATOM, 0, 1024); + + xcb_get_property_reply_t *reply = + xcb_get_property_reply(xcb_connection(), get_cookie, NULL); + + if (reply && reply->format == 32 && reply->type == XCB_ATOM_ATOM && reply->value_len > 0) { + const xcb_atom_t *data = static_cast(xcb_get_property_value(reply)); + atoms.resize(reply->value_len); + memcpy((void *)&atoms.first(), (void *)data, reply->value_len * sizeof(xcb_atom_t)); + } + + free(reply); + + if (states & NetWmStateAbove && !atoms.contains(atom(QXcbAtom::_NET_WM_STATE_ABOVE))) atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_ABOVE)); - if (states & NetWmStateBelow) + if (states & NetWmStateBelow && !atoms.contains(atom(QXcbAtom::_NET_WM_STATE_BELOW))) atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_BELOW)); - if (states & NetWmStateFullScreen) + if (states & NetWmStateFullScreen && !atoms.contains(atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN))) atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_FULLSCREEN)); - if (states & NetWmStateMaximizedHorz) + if (states & NetWmStateMaximizedHorz && !atoms.contains(atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ))) atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_HORZ)); - if (states & NetWmStateMaximizedVert) + if (states & NetWmStateMaximizedVert && !atoms.contains(atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT))) atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_MAXIMIZED_VERT)); - if (states & NetWmStateModal) + if (states & NetWmStateModal && !atoms.contains(atom(QXcbAtom::_NET_WM_STATE_MODAL))) atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_MODAL)); - if (states & NetWmStateStaysOnTop) + if (states & NetWmStateStaysOnTop && !atoms.contains(atom(QXcbAtom::_NET_WM_STATE_STAYS_ON_TOP))) atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_STAYS_ON_TOP)); - if (states & NetWmStateDemandsAttention) + if (states & NetWmStateDemandsAttention && !atoms.contains(atom(QXcbAtom::_NET_WM_STATE_DEMANDS_ATTENTION))) atoms.push_back(atom(QXcbAtom::_NET_WM_STATE_DEMANDS_ATTENTION)); if (atoms.isEmpty()) { -- cgit v1.2.3