From: Dick
> In a GUI ...
>
> How can you have a common panel variable which can be set to another maybe
complex panel?
>
> Such that the view appears to morph, with one panel area (that may be
larger or smaller).
>
> For example, how about this layout:
<interesting but not altogether understood specification snipped>
> Idea is that the BP and IP are the body so to speak. On a
> button press, the BP changes to another set of buttons, and
> the IP is tailored for that new mode/view. The IP might be
> where you show the fields of the current record.
<more snipping>
Hi, Dick,
I believe that I caught the gist of what you are seeking. I only had 5
minutes, so I hacked a pre-existing demo script to achieve the kind of
effect that you seem to be describing. Of course, this example addresses
none of your specification; it only is meant to demonstrate the simplicity
of REBOL's gui and the Gregg's idea of throw away pages/reblets.
--Scott Jones (script follows)
REBOL [Title: "Subpanels"]
main: layout [
vh2 "Subpanel Examples"
guide
pad 20
bpanels: box 160x140
return
box 2x140 maroon
return
panels: box 220x140
]
bpanel1: layout [
button "Panel 1" [
bpanels/pane: bpanel1
panels/pane: panel1
show [bpanels panels]
]
button "Panel 2" [
bpanels/pane: bpanel2
panels/pane: panel2
show [bpanels panels]
]
button "Quit" [quit]
]
bpanel2: layout [
button "Alt Panel 1" [
bpanels/pane: bpanel1
panels/pane: panel1
show [bpanels panels]
]
button "Alt Panel 2" [
bpanels/pane: bpanel2
panels/pane: panel2
show [bpanels panels]
]
button "Quit" [quit]
]
panel1: layout [
origin 8x8
h2 "Panel 1"
field "Field 1"
field "Field 2"
button "The Answer" [alert "I know nothing."]
]
panel2: layout [
origin 8x8
h2 "Panel 2"
across
txt "X:"
slider 150x16
return
txt "Y:"
slider 150x16
return
check [panel2/color: maroon show panel2]
txt "Don't click this"
return
check [panel2/color: silver show panel2]
txt "Click this"
return
]
bpanel1/offset: 0x0
bpanel2/offset: 0x0
panel1/offset: 0x0
panel2/offset: 0x0
bpanels/pane: bpanel1
panels/pane: panel1
view main
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