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Make it possible to use XCB::Atom with non-default xcb_connection_t

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Preparation step for having an X11 backend in kwin_wayland which has
connection() point to Xwayland and another connection to the parent
X server.
This commit is contained in:
Martin Gräßlin 2015-03-19 08:25:28 +01:00
parent e886bd7c78
commit c1ab92d8b4
1 changed files with 7 additions and 5 deletions
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12
xcbutils.h
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@ -457,9 +457,10 @@ public:
class Atom
{
public:
explicit Atom(const QByteArray &name, bool onlyIfExists = false)
: m_retrieved(false)
, m_cookie(xcb_intern_atom_unchecked(connection(), onlyIfExists, name.length(), name.constData()))
explicit Atom(const QByteArray &name, bool onlyIfExists = false, xcb_connection_t *c = connection())
: m_connection(c)
, m_retrieved(false)
, m_cookie(xcb_intern_atom_unchecked(m_connection, onlyIfExists, name.length(), name.constData()))
, m_atom(XCB_ATOM_NONE)
, m_name(name)
{
@ -469,7 +470,7 @@ public:
~Atom() {
if (!m_retrieved && m_cookie.sequence) {
xcb_discard_reply(connection(), m_cookie.sequence);
xcb_discard_reply(m_connection, m_cookie.sequence);
}
}
@ -495,12 +496,13 @@ private:
if (m_retrieved || !m_cookie.sequence) {
return;
}
ScopedCPointer<xcb_intern_atom_reply_t> reply(xcb_intern_atom_reply(connection(), m_cookie, nullptr));
ScopedCPointer<xcb_intern_atom_reply_t> reply(xcb_intern_atom_reply(m_connection, m_cookie, nullptr));
if (!reply.isNull()) {
m_atom = reply->atom;
}
m_retrieved = true;
}
xcb_connection_t *m_connection;
bool m_retrieved;
xcb_intern_atom_cookie_t m_cookie;
xcb_atom_t m_atom;