OK everyone, here's a basic question.
What's the best (simplest and most elegant) way of doing a graphical
button roll over in Metacard?
Button may be a combination of button and image objects, as long as
they appear to the user as a single object/button.
Button states required:
1 Nothing/MouseUp - show default/up state image
2 Mousewithin - show rollover state image
3 MouseDown - show down state image
Notes:
- If the user clicks down on the "button" (state 2) and drags their
mouse outside of the object the state must switch to up (1), if while
still holding the mouse down they drag the mouse back into the object
the state must switch back to down (3). The only way I can see to do
this is to continually check whether the mouse is within the rect of
the object.
The best way I have found to achieve this sort of roll-over is to
create a MC button object and then create the various state images
(on top of each other) in layers below it. The button captures the
mouse events and shows/hides the images.
Related question: does MC have a syntax to put an image into another
image (along lines of OMO's "put cd image 1 into cd image id 5")
--
************************************************************
Rodney Tamblyn
HEDC, 33 Union Street, University of Otago, P.O. Box 56, Dunedin, New Zealand
email [EMAIL PROTECTED]
Phone 64 3 479 7580 Fax 479 5194 ICQ 4145098 PGP available
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