Cursor problems still in test9

Cursor problems still in test9

[Pavel Machek]

Hi!

[And they get worse in fbcon-test patches I tried].

Try this on 2.4 (with vesafb).

echo -e "\33[10;5000]\33[11;50]\33[?18;0;136c\33[?102m"

...then try it on 2.6, type foo in bash then delete it using
backspace; ghost cursors stay there. Run emacs and quit it (it sets
cursor to very visible). Boom, special cursor settings are gone.

And now, use gpm on text console to select some text. Hold down left
button, move mouse a bit. Sometimes cursor gets corrupted and stays
there.
								Pavel
-- 
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]


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Re: Cursor problems still in test9

[James Simmons]

> Hi!
> 
> [And they get worse in fbcon-test patches I tried].
> 
> Try this on 2.4 (with vesafb).
> 
> echo -e "\33[10;5000]\33[11;50]\33[?18;0;136c\33[?102m"
> 
> ...then try it on 2.6, type foo in bash then delete it using
> backspace; ghost cursors stay there. Run emacs and quit it (it sets
> cursor to very visible). Boom, special cursor settings are gone.

I experimented with the above. I tried it out on vgacon, fbcon 2.4.X and 
fbcon 2.6.X. All give different results. What are suppose to see? 
 
> And now, use gpm on text console to select some text. Hold down left
> button, move mouse a bit. Sometimes cursor gets corrupted and stays
> there.

Will try.



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Re: Cursor problems still in test9

[Pavel Machek]

Hi!

> > [And they get worse in fbcon-test patches I tried].
> > 
> > Try this on 2.4 (with vesafb).
> > 
> > echo -e "\33[10;5000]\33[11;50]\33[?18;0;136c\33[?102m"
> > 
> > ...then try it on 2.6, type foo in bash then delete it using
> > backspace; ghost cursors stay there. Run emacs and quit it (it sets
> > cursor to very visible). Boom, special cursor settings are gone.
> 
> I experimented with the above. I tried it out on vgacon, fbcon 2.4.X and 
> fbcon 2.6.X. All give different results. What are suppose to see? 

Well, we certainly do not want to see artifacts leaved behind cursor,
which is what 2.6 currently does. (Type something in bash, backspace
over it).

Making it behave like it does now with 2.6, but with cursor properly
deleted after after backspace, it would be okay.

[It should behave the same way on 2.4 vgacon and fbcon... with
possible difference that "bright background" might cause characters to
blink on vgacon. That depends on vga card setting and is not really
important.]

> > And now, use gpm on text console to select some text. Hold down left
> > button, move mouse a bit. Sometimes cursor gets corrupted and stays
> > there.
> 
> Will try.

Were you able to reproduce it?
								Pavel

-- 
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]


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Re: Cursor problems still in test9

[Nigel Cunningham]

You can also see the cursor not getting erased if you try my software
suspend port with the nice display turned on. It works fine on 2.4, but
under 2.6 you get underlines all over the place, even though it tries to
hide the cursor.

Regards,

Nigel

On Thu, 2003-10-30 at 22:09, Pavel Machek wrote:
> Well, we certainly do not want to see artifacts leaved behind cursor,
> which is what 2.6 currently does. (Type something in bash, backspace
> over it).
> 
> Making it behave like it does now with 2.6, but with cursor properly
> deleted after after backspace, it would be okay.
> 
> [It should behave the same way on 2.4 vgacon and fbcon... with
> possible difference that "bright background" might cause characters to
> blink on vgacon. That depends on vga card setting and is not really
> important.]


-- 
Nigel Cunningham
495 St Georges Road South, Hastings 4201, New Zealand

Evolution (n): A hypothetical process whereby infinitely improbable events occur 
with alarming frequency, order arises from chaos, and no one is given credit.



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