[prev in list] [next in list] [prev in thread] [next in thread] 

List:       kde-kimageshop
Subject:    Re: undo/redo
From:       Carsten Pfeiffer <carpdjih () cetus ! zrz ! TU-Berlin ! DE>
Date:       1999-08-09 22:40:31
[Download RAW message or body]

On Tue, Aug 10, 1999 at 12:01:05AM +0200, Carsten Pfeiffer wrote:

Hi,

ok, had a little bug here...

> The user sees these undo objects as a history in a listbox, e.g.
> 
> +---------------+
> |New image      | (1st operation)
> |---------------|
> |Gaussion Blur  |
> |---------------|
> |Resize         |
> |---------------|
> |Selection      |
> |---------------|
> |Paint tool     | (last operation)
> |_______________|
> 
> Now he decides, that resizing was wrong, he just selects the Gaussion Blur
> state, and all the following actions are undone. The selection and paint
> tool actions are not immediately destroyed - he can redo them (both
> or only the the selection) as long as no further image manipulation is
> performed (then, the selection and paint undo-objects are deleted and
> removed from the list.

Of course, he can't redo the Selection and/or paint-tool action without
redoing the resizing as well.

Cheers,
Carsten Pfeiffer
-- 
http://www.geocities.com/SiliconValley/1632/

[prev in list] [next in list] [prev in thread] [next in thread]