This is a feed back (with quetions) on my first experiments with cells/celtk on mswindows and acl 7 trial.
- asdf installation of the lisp files is straight forward.
- Of course, I had to install tcl and other software I did not know before (e.g. darcs). The togl.dll took me some time, but I had the spinning gears demo running after about 4 hours. I was so happy!
- Documentation for cells exists and is helpful !! After a study of ltktest-ci.lisp it was easy to do my own sample GUI with buttons, radios and labels.
- I never did a gui before. I only went through the interface builder demo of allegro a while ago and my impression was: I don't want to do that and avoid it as long as possible. Now I'm completely surprised how easy it is to set up a gui, and the automatic actions and updates made by cells are pure fun.
- The only problem I encountered so far is with the text entry widget: alphanumeric key strokes get through to the entry field only occasionally. May be only one of about five key strokes is shown in the entry field. Backspace and cursor left/right work correctly, however. This also happens in the moire demo of ltktest-ci.lisp. What can I do to improve this ?
Summarized: celtk is great, and I would be happy about some help on my last item above.
Frank Schorr
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On 9/3/06, franks-muc@web.de franks-muc@web.de wrote:
This is a feed back (with quetions) on my first experiments with cells/celtk on mswindows and acl 7 trial.
- asdf installation of the lisp files is straight forward.
Wow, you may be the first to have done it, other than me and Frank, the developers. I usually warn people away from even trying. :)
- Of course, I had to install tcl and other software I did not know before (
e.g. darcs). The togl.dll took me some time, but I had the spinning gears demo running after about 4 hours. I was so happy!
Yeah, OpenGL is great fun, altho challenging.
- Documentation for cells exists and is helpful !!
After a study of ltktest-ci.lisp it was easy to do my own sample GUI with buttons, radios and labels.
Wow again. :)
- I never did a gui before. I only went through the interface builder demo
of allegro a while ago and my impression was: I don't want to do that and avoid it as long as possible. Now I'm completely surprised how easy it is to set up a gui, and the automatic actions and updates made by cells are pure fun.
Yep. It would be even more fun if you had done a GUI before and knew what a pain it was once things start to get complicated. I find I make fancier (and easier for the user) GUIs just because Cells makes it easy.
- The only problem I encountered so far is with the text entry widget:
alphanumeric key strokes get through to the entry field only occasionally. May be only one of about five key strokes is shown in the entry field. Backspace and cursor left/right work correctly, however. This also happens in the moire demo of ltktest-ci.lisp. What can I do to improve this ?
I remember something like this happening, but forget the details. I will fire up that demo and see what I can see. It may be a while because my (win32) system seems close to a hard drive failure today (one blue screen already).
kt
- The only problem I encountered so far is with the text entry widget:
alphanumeric key strokes get through to the entry field only occasionally. May be only one of about five key strokes is shown in the entry field. Backspace and cursor left/right work correctly, however. This also happens in the moire demo of ltktest-ci.lisp. What can I do to improve this ?
I remember something like this happening, but forget the details. I will fire up that demo and see what I can see. It may be a while because my (win32) system seems close to a hard drive failure today (one blue screen already).
When I ran the demo in ltktest-ci just now, I got the same (mis)behavior, only in my case it was only one in twenty keystrokes that got thru. At the same time, the entry widget in the lotsa-widgets demo worked fine.
Enabling some print statements in the entry widget, what I saw was that key events such as keypress and keyrelease were working fine, but that only occasionally a "trace" virtual event came thru. The key events would not help much since the entry field itself was not getting the keystrokes (and we still let Tk handle the actual input).
Anyway, while fussing with this the ltktest-ci demo entry field just started working pretty much by itself. I was poking around, but on unrelated stuff trying to make the demo shutdown not crash on a late timer message. (That required a small extension to the Cells API.)
Anyway, it will be interesting to see if your entry field (and your ltktest-ci execution) work given the new code in Cells and Celtk. If not or if the problem comes back I think a question to the Tcl/Tk list will be in order as to when keyevents can happen but not get seen by the widget as evidenced by the widget text and (reasonably enough) "trace write"s.
kt
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franks-muc＠web.de -
Ken Tilton