Re: Ruby 2.6.11 many keycodes are wrong

[James S. <jsi...@ww...>]

> Hi,
> 
> The Ruby patches for any of the 2.6.11 versions
> produce many wrong keycodes.

Don't you mean 2.6.12 ? I commited the fix to build it.
 
> E.g, Ctrl-0, Ctrl-1, Ctrl-9 do nothing
> Alt-anything produces the anything key only without
> the hiorder bit, so it looks like a release code for
> the anything key.
> 
> In Ruby 2.6.10 Alt-P produces 2 bytes in the buffer:
> 
> 13:53:09->==================================== 
> 13:53:09->fd = 3  
> 13:53:11->Executed read(3, buf, 129) 
> 13:53:11->Read 2 bytes into buf (1b 70 ) 
> 13:53:11->Pass 1  
> 13:53:11->High order bit of 1b is off: Press 
> 13:53:11->Byte 1 is 1b 
> 13:53:11->keycode  27 press (Alt key)
> 13:53:11->Pass 2  
> 13:53:11->High order bit of 70 is off: Press 
> 13:53:11->Byte 2 is 70 
> 13:53:11->keycode 112 press (p key)
> 
> and that translates to Alt held down and p pressed.
> 
> But in Ruby 2.6.11 you get only one byte out of that
> read, like this:
> 
> 14:22:02->fd = 3  
> 14:22:04->Executed read(3, buf, 129) 
> 14:22:04->Read 1 bytes into buf (f0 ) 
> 14:22:04->Pass 1  
> 14:22:04->High order bit of f0 is on: Release 
> 14:22:04->Byte 1 is f0 
> 14:22:04->keycode 112 release (p key)
> 
> which looks like you released the p key.

Can you post the source code to test this? I can give it a run.

> BTW there is no problem with the vanilla 2.6.11 code.
> This is kernel code because there is no difference in
> the user programs that use it.

The code is virtually the same. Strange?