Closed #1230 as completed via #1236.
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`geany.keygrab()` doesn't work on X11. Looks like the callback function either
doesn't return or doesn't set the flag to signal that a key has been pressed.
Built and tested with both Lua 5.1 and LuaJIT with same result. Example Lua
code:
```
geany.status("keygrab - start")
key = geany.keygra
> Suspend Lua execution while waiting for a result from the callback.
It doesn't suspend, `keygrab()` just sleep loops
[here](https://github.com/geany/geany-plugins/blob/2665511f731e613944815ab62885ecf52e3037e6/geanylua/glspi_app.c#L589)
and seems to use the global variable `km` to communicate b
I took a look at the code. Problem is I don't know how to...
* Suspend Lua execution while waiting for a result from the callback.
* Return a result from the callback or resume Lua execution from the callback.
What are the use cases for `geany.keygrab`? None of the example scripts use
it, and
Hint: have a look at Geany's `keybindings.c` and how it collects keystrokes.
IIRC there is a GTK function to connect_before on an event, so that callback
would grab the key before Geany (if it returned TRUE, FALSE passes the key to
the next connection).
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No, on looking closer its nothing to do with keybindings (AFAICT) its the
implementation of `keygrab()`.
That should be implemented by adding a signal handler for keystrokes _before_
Geanys on the normal GTK keystroke signals "key-press-event" and
"key-release-event" (IIRC). That will still
Are you able to tell whether this is for "The old way" described
[here](https://plugins.geany.org/geanylua/geanylua-keys.html)? If so, I think
it can be removed, since it's already been deprecated.
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