Re: Jiri's Widgets
Jiri Babor wrote:
>David just wrote:
>
>> 1. If I move a window so that part of it is off the screen, release
>> it, and then drag it back, the part of the window that was
>> off-screen is rendered black.
>
>I do not redraw windows, I just save the rectangular image and
>re-display that at the new location. Simpler and faster, I thought.
>But, of course, off-screen pixels are undefined. Typically a bunch of
>zero, I suppose, and I finish with a black egg on my face, so to
>speak. I am open to any reasonable suggestion...
>
Build you a virtual window and a displayable window. All logic except
actual transfer to write buffer happens to the virtual window.
Everett L.(Rett) Williams
rett at gvtc.com
|
Not Categorized, Please Help
|
|
