What is special about recenter

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4 total messages Started by John Ruttenberg Fri, 16 Aug 1991 00:14

#1849

Author: John Ruttenberg
Date: Fri, 16 Aug 1991 00:14

7 lines
880 bytes

It seems to be the only way I can make screen color changes take effect.
You'd thing that flash-screen would do it, but no.  Only recenter seems to fix
things after:

    (defun ec (f b)
        (epoch::foreground f (current-screen))
        (epoch::background b (current-screen)))

Re: What is special about recenter

#1850

Author: Alan M. Carroll
Date: Fri, 16 Aug 1991 16:50

16 lines
1504 bytes

In article <RUTT.91Aug15191459@aztec.asd.sgi.com>, rutt@aztec.asd.sgi.com (John Ruttenberg) writes:
> It seems to be the only way I can make screen color changes take effect.
> You'd thing that flash-screen would do it, but no.  Only recenter seems to fix
> things after:

It's not recenter per se, but redisplaying the screen. Unfortunately,
flash-screen simple calculates a bit mask based on the current
foreground / background colors, and xors that with the contents of the
screen twice. It doesn't actually redisplay anything. If you change
colors and move the cursor, you'll notice the characters you go over
change.

-- 
Alan M. Carroll          <-- Another casualty of applied metaphysics
Epoch Development Team   
Urbana Il.               "I hate shopping with the reality-impaired" - Susan

Re: What is special about recenter

#1851

Author: John Ruttenberg
Date: Sat, 17 Aug 1991 01:18

11 lines
1340 bytes

In article <1991Aug16.165036.8663@m.cs.uiuc.edu> carroll@cs.uiuc.edu (Alan M. Carroll) writes:

   It's not recenter per se, but redisplaying the screen. Unfortunately,
   flash-screen simple calculates a bit mask based on the current
   foreground / background colors, and xors that with the contents of the
   screen twice. It doesn't actually redisplay anything. If you change
   colors and move the cursor, you'll notice the characters you go over
   change.

OK.  Then is there a way to redisplay a screen without sideeffecting it
(moving the windows, selecting it, etc.)?

Re: What is special about recenter

#1754

Author: Alan M. Carroll
Date: Sat, 17 Aug 1991 15:40

10 lines
1202 bytes

In article <RUTT.91Aug16201813@aztec.asd.sgi.com>, rutt@aztec.asd.sgi.com (John Ruttenberg) writes:
> OK.  Then is there a way to redisplay a screen without sideeffecting it
> (moving the windows, selecting it, etc.)?

Try epoch::redisplay-screen.

-- 
Alan M. Carroll          <-- Another casualty of applied metaphysics
Epoch Development Team   
Urbana Il.               "I hate shopping with the reality-impaired" - Susan

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