[Gllug] screen

[Paul Rayner]

Good afternoon everyone,

I'm looking to use 'screen' to run my company's terminal based 
application, but can't seem to get line drawing working. I've set up a 
termcap (with corresponding terminfo) entry for screen.vt220 which 
correctly draws lines with our application when not using screen, but 
when running through 'screen -T vt220' the lines do not appear. I've 
read (parts of) the screen manual, and tried turning the 'G0' variable 
on in the screen.vt220 termcap entry.

Googling seems to suggest that it is possible to get line drawing 
working with screen, but I can't find any info on how to get it to work 
- 'screen' and 'line drawing' aren't the easiest terms to google for...

If modifications to screen's ansi.c are needed, this isn't too big a 
problem as I will likely be doing some once the basics are up and 
running as I'll need to add in support for a set of custom escape 
sequences we send to our terminal emulation programs to draw buttons, 
pop-ups and other GUI widgets.

Any suggestions for how to get line drawing working would be much 
appreciated. I've included my screen.vt220 entry below if that's any 
use.

Thanks,

Paul.

screen.vt220:\
    :G0:5i:am:bs:mi:ms:xn:xo:\
    :co#80:it#8:li#24:vt#3:\
    :%0=\E[29~:%1=\E[28~:*6=\E[4~:@0=\E[1~:AL=\E[%dL:\
    :DC=\E[%dP:DL=\E[%dM:DO=\E[%dB:F1=\E[23~:F2=\E[24~:\
    :F3=\E[25~:F4=\E[26~:F7=\E[31~:F8=\E[32~:F9=\E[33~:\
    :FA=\E[34~:IC=\E[%d@:LE=\E[%dD:RA=\E[?7l:RI=\E[%dC:\
    :SA=\E[?7h:UP=\E[%dA:ae=\E(B:al=\E[L:as=\E(0:bl=^G:\
    :cb=\E[1K:cd=\E[J:ce=\E[K:cl=\E[H\E[J:cm=\E[%i%d;%dH:\
    :cr=^M:cs=\E[%i%d;%dr:ct=\E[3g:dc=\E[P:dl=\E[M:do=^J:\
    :eA=\E)0:ec=\E[%dX:ei=\E[4l:ho=\E[H:\
    :if=/usr/share/tabset/vt100:im=\E[4h:\
    :is=\E[?7h\E[>\E[?1h\E F\E[?4l:k1=\EOP:k2=\EOQ:k3=\EOR:\
    :k4=\EOS:k6=\E[17~:k7=\E[18~:k8=\E[19~:k9=\E[20~:\
    :k;=\E[21~:kI=\E[2~:kN=\E[6~:kP=\E[5~:kb=^H:kd=\E[B:\
    :kh=\E[H:kl=\E[D:kr=\E[C:ku=\E[A:l1=pf1:l2=pf2:l3=pf3:\
    :l4=pf4:le=^H:mb=\E[5m:md=\E[1m:me=\E[m:mr=\E[7m:\
    :nw=\EE:pf=\E[4i:po=\E[5i:ps=\E[i:r1=\E[?3l:rc=\E8:sc=\E7:\
    :se=\E[27m:sf=\ED:so=\E[7m:sr=\EM:st=\EH:ta=^I:ue=\E[24m:\
    :up=\E[A:us=\E[4m:vb=\E[?5h\E[?5l:\
    :Va=\E[0;1;15m:\
    :Vb=\E[0;1;5m:\
    :Vc=\E[37;40;0m:\
    :Vd=\E[0;5m:\
    :Ve=\E[0;1;4m:\
    :Vf=\E[0;1;4;5m:\
    :Vg=\E[0;4;14m:\
    :Vh=\E[0;4;5m:\
    :Vi=\E[0;1;7;47;33m:\
    :Vj=\E[0;1;5;7m:\
    :Vk=\E[0;7;44;37m:\
    :Vl=\E[0;5;7m:\
    :Vm=\E[0;1;4;7;47;31m:\
    :Vn=\E[0;1;4;5;7m:\
    :Vo=\E[0;4;7;47;31m:\
    :Vp=\E[0;4;7;47;31m:\
    :gs=\E(0:\
    :gx=\E(B:\
    :ga=m:\
    :gb=l:\
    :gc=k:\
    :gd=j:\
    :ge=m:\
    :gf=l:\
    :gg=k:\
    :gh=j:\
    :gi=n:\
    :gj=x:\
    :gk=q:\
    :gl=u:\
--
Paul Rayner
Ylem Solutions Ltd ~  4-14 Tabernacle Street, London. EC2A 4LU
Office: 020 7074 0220 ~ Mobile: 07739 143 763 ~ 
Paul.Rayner at YlemSolutions.com

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