The existing mechanism with set_ignore_next() is (IMHO) ugly and also
does not work with XCB requests. This commit adds a new function
set_ignore_cookie() and fixes callers that were converted to XCB to use
this new function instead.
Signed-off-by: Uli Schlachter <psychon@znc.in>
Errors for requests sent via Xlib that expect a reply are handled via
XSetErrorHandler(), which sets up a callback function that Xlib calls.
Errors for requests that do not expect a reply or for errors caused via
unchecked XCB requests show up as events of type 0 in the event handling
function.
Before this commit, errors were ignored here. This commit changes the
code so that the errors are printed instead.
Signed-off-by: Uli Schlachter <psychon@znc.in>
Note that this adds an include for Xfixes.h, because that header is
still needed and was previously included through Xcomposite.h.
Signed-off-by: Uli Schlachter <psychon@znc.in>
The X11 server's answer is not \0-terminated, so xcb_str_name() also
does not provide a \0-terminated pointer.
Signed-off-by: Uli Schlachter <psychon@znc.in>
No functional changes intended. The new xcb_damage_query_version() was
previously done by XDamageQueryExtension() internally.
Signed-off-by: Uli Schlachter <psychon@znc.in>
Before becoming the selection owner for _NET_WM_CM_Sn, compton will now check if
that selection is already owned (which means that another composite manager is
already running). If this check fails, startup will be refused. This behaviour
is required by EWMH / ICCCM.
Because this should catch all composite managers, the error message that was
used before when another manager is already running is reworded to mention that
the other manager does not follow EWMH.
Signed-off-by: Uli Schlachter <psychon@znc.in>
Uli Schlachter