[PATCH 1/2] tui: make updating of start_line in tui_puts more consistent

[Pedro Alves]

On 08/26/2015 02:06 AM, Patrick Palka wrote:
> The command window's start_line field is used by the function
> tui_redisplay_readline to figure out on which window line to start
> redrawing the (possibly multi-line) command line.  It differs from the Y
> coordinate of the window cursor only when the length of the line being
> outputted is longer than the width of the window.
> 
> The function tui_puts however currently does not respect this property
> of start_line.  After a call to tui_puts, start_line will always be
> equal to cur_line even when the outputted line may have wrapped a few
> times.  This patch makes tui_puts update start_line in a way that's
> consistent with how tui_redisplay_readline does it.  This patch also
> explicitly documents this property of start_line.
> 
> gdb/ChangeLog:
> 
> 	* tui/tui-data.h (tui_command_info): Add comment documenting the
> 	field start_line.
> 	* tui/tui-io.c (tui_puts): Fix the updating of start_line.

OK.

Thanks,
Pedro Alves