Hi,
On 14.02.2017 20:52, Thomas Lübking wrote:
grab synchronously and conditionally xcb_allow_events (for acceptable keys)
That sounds like what I'm trying to do! However, after some playing
around, I can't seem to make it work. The way I understand it, the
workflow is this:
1) call xcb_grab_keyboard(…, …, …, …, XCB_GRAB_MODE_SYNC,
XCB_GRAB_MODE_SYNC) [0] - the keyboard is now grabbed synchronously
(instead of ansynchronously, as the locker did before)
2) when xcb_poll_for_event() gives me a new keyboard-event, call
xcb_allow_events() after processing the event. If I want the event to
propagate, call it with XCB_ALLOW_REPLAY_KEYBOARD, otherwise call it
with XCB_ALLOW_SYNC_KEYBOARD.
However, XCB_ALLOW_REPLAY_KEYBOARD seems to also permanently release the
keyboard grab (is that right? The documentation is a bit sparse…). I
tried calling xcb_grab_keyboard() directly after xcb_allow_events(…,
XCB_ALLOW_REPLAY_KEYBOARD, …), but that does not seem to work either. In
any case, once I called xcb_allow_events(…, XCB_ALLOW_REPLAY_KEYBOARD,
…), *all* keyboard events from that point on end up in my window manager…
Thanks for the help so far!
Lukas
[0] Why do I have to specify the grab mode for the keyboard *and* the
pointer in xcb_grab_keyboard? Shouldn't only the mode for the keyboard
matter here?
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