On 06-Sep-02, [EMAIL PROTECTED] wrote:
> Thanks to (in order of receipt of postings), Andrew, Gabriele, Carl
> and Anton for the extremely helpful responses.
> One quick other question. In Carl's code (repeated below for easy of
> reference
And complete even unto the typed-in-the-wrong window "unview/all". (:
>), the initially blue die is always on top of the initially
> red one. I'd like to change that.
> I'd like the item I'm dragging to be at the top. Do I have to
> re-order the faces in the layout and then show the whole thing? Or
> is there a cleverer way to change z-plane priorities?
> Thanks,
> Sunanda.
Gabriele's {You need to swap the two faces in the pane block. The
faces on a higher position are shown on top of those placed "before"
them.} is probably the way to do this, but I for one would like to
see an example - as my attempt at doing it doesn't work. (:
Carl.
> ;; Carl's code:
> ; This function just makes an image from a layout...
> make-die: func [color [tuple!] /local image][
> layout [
> image: box 30x30 effect [draw [
> pen none
> fill-pen color none
> circle 14x14 15
> ]]
> ]
> to-image image
> ]
> Board-elements: Stylize [
> black-square: box 100.100.100 50x50
> white-square: box white 50x50
> ; 'die is now an image - note the 'key effect used
> ; to make the black in the image transparent.
> die: image make-die red effect [key 0.0.0]
> ]
> unview/all
> view layout [
> styles board-elements
> space 0x0
> across
> black-square
> white-square
> black-square
> return
> white-square
> black-square
> white-square
> return
> black-square
> white-square
> black-square
> return
> ; The 'feels here are just a copy of the drag & drop
> ; example from the 'feel how-to example on the REBOL
> ; site. Your dice can now be picked up and moved...
> d1: die feel [engage: func [face action event] [
> if action = 'down [start: event/offset]
> if find [over away] action [
> face/offset: face/offset + event/offset - start
> show face
> ]
> ]]
> d2: die feel [engage: func [face action event] [
> if action = 'down [start: event/offset]
> if find [over away] action [
> face/offset: face/offset + event/offset - start
> show face
> ]
> ]]
> ; Set original colors...
> do [
> d1/image: make-die red
> d2/image: make-die blue
> ]
> ; Button for user-defined color. (;
> button "Change" [
> d1/image: make-die random 255.255.255
> show d1
> ]
> ]
--
Carl Read
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