Re: LP flag

[Thomas Dickey]

On Fri, Aug 09, 2013 at 11:47:53PM +1200, Oliver wrote:
> Cool thanks, I actually figured that out by looking through the ncursers
> code today but it is good to have it confirmed.
> 
> I am trying to fix this via the ability to turn on and off the the am mode,
> ie enter_am_mode and exit_am_mode commands (insert mode is a bit tricky for
> my code); however I am not sure where ncurses expects the cursor to be if
> if am mode is off and it writes past the end of line, and then am mode is
> turned back on, should the cursor go down to the new line, or should it go
> to the position of the last char written?

I'd expect the cursor to stay where-ever it is if the mode is changed.
It's only printable characters and cursor-movement that should change that.
 
> Also in my terminal there if the bottom right hand corner is written to the
> cursor wraps back to the top left corner, is there a way to tell ncurses
> this so it will just work in am mode or would I have to hack that support
> in myself?

ncurses doesn't know about that ...
 
> Thank you.
> 
> 
> Oliver Thane
> Mobile Phone: +64 (0)2102401831
> Email: address@hidden
> 
> 
> On Fri, Aug 9, 2013 at 8:31 PM, Thomas Dickey <address@hidden> wrote:
> 
> > >       From: Oliver
> > >    Subject: LP flag
> > >       Date: Thu, 8 Aug 2013 21:49:53 +1200
> > >      _________________________________________________________________
> > >
> > >    Hi,  I  have  made  a  kind  of pseudo terminal for a lcd project I am
> > >    working  on.  Everything  is working great except the last char in the
> > >    last  column  of the last line is not printed, all others are printed.
> > >    ie this is a 16 column by 4 rows and if I use this code:
> > >    mvprintw(0, 0, "0123456789abcdef");
> > >    mvprintw(1, 0, "0123456789abcdef");
> > >    mvprintw(2, 0, "0123456789abcdef");
> > >    mvprintw(3, 0, "0123456789abcdef");
> > >    I get the following on the display
> > >    0123456789abcdef
> > >    0123456789abcdef
> > >    0123456789abcdef
> > >    0123456789abcde
> > >    the  last f is missing. After doing some reading I think this might be
> > >    related   to   the `LP'   flag  as  I  am  using  the  'am'  flag  in
> > >    my implementation.  I tried adding the LP flag after the am flag, but
> > >    tic  rejecteds  the  flag  ""vtlcd", line 4, col 19, terminal 'vtlcd':
> > >    unknown capability 'LP'"
> > >
> > >    What am I doing wrong?
> > >
> > >    btw  my  term  file  looks like this (it may not be prefect, but apart
> > >    from this issue it works):
> > >    vtlcd|,
> > >            bw, am, LP,
> > >            cols#16, it#4, lines#4,
> > >            clear=\EJ, cr=^M,
> > >            cub1=\ED, cud1=\EB, cuf1=\EC,
> > >            cuu1=\EA, cnorm=\Ev, civis=\EV,
> > >            sgr0=\Ea, blink=\Eb,
> > >            home=\EH, ht=^I, ind=^J, kbs=^H,
> > >            kcub1=\E[D, kcud1=\E[B, kcuf1=\E[C, kcuu1=\E[A,
> > >            nel=^M^J,
> >
> > ncurses won't write to the lower-right corner unless it can see how to
> > prevent the cursor from wrapping (and forcing the display to scroll).
> > Usually that's done by one of the insert-mode features - depends on
> > what your actual terminal supports.
> >
> > --
> > Thomas E. Dickey <address@hidden>
> > http://invisible-island.net
> > ftp://invisible-island.net
> >
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> >
> >

-- 
Thomas E. Dickey <address@hidden>
http://invisible-island.net
ftp://invisible-island.net

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