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REBOL [ Title: "Graphical Layout Editor" Date: 21-Jun-2000 Version: 1.0.1 File: %layed.r Author: "Carl Sassenrath" Purpose: {Your basic 1K REBOL graphical object layout editor. Not many features, but a good example of how to drag faces and show nubs. } Email: %carl--rebol--com Note: "Keeping the nubs on top is done on purpose." library: [ level: 'intermediate platform: none type: none domain: [GUI] tested-under: none support: none license: none see-also: none ] ] read-thru/to %bay.jpg ; Layout to edit: faces: layout [ backdrop %bay.jpg 0.0.200 vh1 "Move Stuff Around" image %bay.jpg field across space 0 button "Send" button "Cancel" ] vid-face: get-style 'face engage-drag: func [f a e][ if find [over away] a [ f/offset: f/offset + e/offset - f/data update-nubs f show [f nub-face] ] if a = 'down [ f/data: e/offset show-nubs f ] ] nub-face: make vid-face [ edge: make edge [color: 250.120.40 effect: 'nubs size: 4x4] color: font: para: text: data: none feel: make feel [ engage: func [f a e] [ ;intercepts target face events if data [data/feel/engage data a e] ] ] ] update-nubs: func [f] [ nub-face/offset: f/offset - 4x4 nub-face/size: f/size + 8x8 ] show-nubs: func [f] [ update-nubs f nub-face/data: f if not find f/parent-face/pane nub-face [ append f/parent-face/pane nub-face ] show f/parent-face ] foreach f faces/pane [f/feel/engage: :engage-drag] view faces
halt ;; to terminate script if DO'ne from webpage
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