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Re: how to tell ncurses to repaint buffer
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From: |
Johann Klammer |
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Subject: |
Re: how to tell ncurses to repaint buffer |
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Date: |
Tue, 09 Jun 2015 22:44:00 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux i686; rv:24.0) Gecko/20100101 Icedove/24.5.0 |
On 06/08/2015 02:59 AM, Oliver wrote:
> Thanks for the fix above Thomas, worked brilliantly.
>
> I have recently had to come back to this issue though. I was wondering
> since I have written my own character driver and use newterm(...) to
> connect ncurses is there a return code (errno) I can use from my drivers
> write function that can tell ncurses the screen has become corrupt and
> ncurses should redraw the buffer (something like* ECONNRESET*). ATM I use a
> sysfs attribute as a side band communication to do this and poll it which
> is not that great.
>
> Thanks
>
If your program is designed to handle KEY_RESIZE, you can try sending
a SIGWINCH signal to the process to trigger the redrawing.