From 439f3f476c2b8fa2bd51bbb6257c3bf7c1208254 Mon Sep 17 00:00:00 2001 From: Pietro Gagliardi Date: Sun, 24 Jan 2016 21:50:59 -0500 Subject: [PATCH] Added Area.ScrollTo(). --- area.go | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/area.go b/area.go index 4248523..358a391 100644 --- a/area.go +++ b/area.go @@ -142,3 +142,15 @@ func (a *Area) SetSize(width int, height int) { func (a *Area) QueueRedrawAll() { C.uiAreaQueueRedrawAll(a.a) } + +// ScrollTo scrolls the Area to show the given rectangle; what this +// means is implementation-defined, but you can safely assume +// that as much of the given rectangle as possible will be visible +// after this call. (TODO verify this on OS X) ScrollTo panics if called +// on a non-scrolling Area. +func (a *Area) ScrollTo(x float64, y float64, width float64, height float64) { + if !a.scrolling { + panic("attempt to call ScrollTo on non-scrolling Area") + } + C.uiAreaScrollTo(a.a, C.double(x), C.double(y), C.double(width), C.double(height)) +}