Re: GDB 9 TUI mode broken

[Simon Marchi <simark@simark.ca>]

On 2020-02-22 6:33 a.m., Eli Zaretskii wrote:
>> Date: Mon, 17 Feb 2020 19:46:36 +0200
>> From: Eli Zaretskii <eliz@gnu.org>
>> CC: gdb@sourceware.org
>>
>>> From: Aleksey Midenkov <midenok@gmail.com>
>>> Date: Mon, 17 Feb 2020 19:26:07 +0300
>>>
>>> Now the window molders away after `winheight src +8` command.
>>
>> This looks like a bug, and is probably unrelated to colors.  Suggest
>> to make a bug report.
> 
> The patch below seems to fix some of the problem, but not all of it:
> the position of the status line (the one that shows the process
> information) is not updated correctly.
> 
> Tom, where's the position update of the status line supposed to be
> handled?
> 
> And btw, the meaning of the 'locator' object in tui_adjust_win_heights
> is unclear: to which window does it pertain, and what is the
> significance of this line:
> 
> 	      TUI_CMD_WIN->origin.y = locator->origin.y + 1;
> 
> I think we could use some additional comments in tui-stack.c or
> tui-stack.h, to explain what is the meaning and expected use of
> tui_locator_window.

The locator window is the line that sits between the source windows and the command
line's window (in the TUI's source layout).  It displays information such as current
thread id, current line and current PC.

I learned this watching Tom's excellent FOSDEM presentation, here :)

  https://fosdem.org/2020/schedule/event/debugging_gdb_tui/

Simon