Re: Mouse button handling

[Thomas Dickey]

On Mon, 29 Aug 2011, Damien Guibouret wrote:

> Hello,
>
> Loading the ncurses 5.9 version last week to try it in replacement to the old
> 5.4 I am still using, I've found some differences into mouse management that
> breaks the behaviour in some cases. I take a look at the sources and did some
> changes that I think necessary. All the changes I did are into
> ncurses/base/lib_mouse.c file (I used 5.9 released version as base) and are
> into the attached file with the following explanations.

thanks (will review/etc)

> I still see some open points on this change:
> - for the USE_EMX_MOUSE case, I do not know the EMX protocol and cannot test 
> it,
> but is the fact that it sets button as pressed and released in same event the
> correct interpretation. If so, shouldn't the click event be set also?

separate press/release events that get combined into clicks (based on 
time) seems to be the usual rule.

> I have also a question regarding the wide character handling: the get_wch
> function returns a OK code for standard key and a KEY_CODE_YES for KEY_ 
> codes.
> But the inverse function (unget_wch) does not allow performing such a
> distinction. Does this mean that ungetting KEY_ codes is not allowed (or 
> could
> work but will depend on if it enters in conflict with a valid standard key) ?

yes - without adding an extension, the interface documented in X/Open
doesn't address KEY_ codes...

> I hope that at least some of these changes will be usefull,

;-)

--
Thomas E. Dickey
http://invisible-island.net
ftp://invisible-island.net