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takawiri: use ioctl: to get terminal size; report errors on start if too small

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FossilOrigin-Name: e6b1567ab2db12c536a596913be21f5fb774209c7e67a395cd54e936dfdc47b4
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crc 2024-01-22 16:49:17 +00:00
parent f326a99caf
commit ba12145728
1 changed files with 10 additions and 6 deletions
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takawiri.retro
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@ -18,14 +18,18 @@ Setup the text output buffer dimensions.
#25 'TOB:H const
~~~
Setup the local terminal dimensions.
TODO: some systems may provide this in the environment. See if
this can be pulled in automatically if present?
Setup the local terminal dimensions. This requires the current
development build of Retro to gain access to the `ioctl:` words.
(If not using this, hard code the terminal constraints for your
system).
~~~
#105 'LT:W const
#30 'LT:H const
ioctl:term-size (rows,cols) 'LT:W const 'LT:H const
~~~
~~~
LT:W #100 lt? [ 'Terminal_too_narrow! s:put nl bye ] if
LT:H #27 lt? [ 'Terminal_too_short! s:put nl bye ] if
~~~
# Dependencies