Mercurial > hg > indyvon
changeset 96:fbedad9bd6de
Set viewport position by clicking or dragging viewport miniature.
| author | Mikhail Kryshen <mikhail@kryshen.net> |
|---|---|
| date | Thu, 03 Mar 2011 03:29:08 +0300 |
| parents | df9dedc80485 |
| children | 72821bd32e2e |
| files | src/net/kryshen/indyvon/layers.clj |
| diffstat | 1 files changed, 27 insertions(+), 10 deletions(-) [+] |
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--- a/src/net/kryshen/indyvon/layers.clj Thu Mar 03 03:20:23 2011 +0300 +++ b/src/net/kryshen/indyvon/layers.clj Thu Mar 03 03:29:08 2011 +0300 @@ -1,5 +1,5 @@ ;; -;; Copyright 2010 Mikhail Kryshen <mikhail@kryshen.net> +;; Copyright 2010, 2011 Mikhail Kryshen <mikhail@kryshen.net> ;; ;; This file is part of Indyvon. ;; @@ -289,22 +289,39 @@ "Creates miniature view of the viewport's contents." [viewport width height] (let [miniature (miniature (:content viewport) width height)] - (decorate-layer miniature [_] - ;;(repaint-on-update viewport) + (decorate-layer miniature [l] (let [size (layer-size (:content viewport)) s (scaling (:width size) (:height size) width height) [x y w h] (viewport-visible-bounds viewport) - x (* (+ x (align-x (:width size) (/ width s) :center)) s) - y (* (+ y (align-y (:height size) (/ height s) :center)) s) - w (* w s) - h (* h s)] + ox (align-x (:width size) (/ width s) :center) + oy (align-y (:height size) (/ height s) :center) + sx (* (+ x ox) s) + sy (* (+ y oy) s) + sw (* w s) + sh (* h s) + move-vp (fn [x y] + (dosync + (ref-set (:x viewport) + (- (/ x s) + (/ w 2) + ox + (- @(:vp-x viewport) @(:x viewport)))) + (ref-set (:y viewport) + (- (/ y s) + (/ h 2) + oy + (- @(:vp-y viewport) @(:y viewport))))) + (update viewport))] (with-color :alt-back-color (.fillRect *graphics* 0 0 *width* *height*)) (with-color :back-color - (.fillRect *graphics* x y w h)) - (draw! miniature) + (.fillRect *graphics* sx sy sw sh)) + (with-handlers l + (draw! miniature) + (:mouse-pressed e (move-vp (:x e) (:y e))) + (:mouse-dragged e (move-vp (:x e) (:y e)))) (with-color :border-color - (.drawRect *graphics* x y w h)))))) + (.drawRect *graphics* sx sy sw sh)))))) ;; ;; Layer context decorators.