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Update overlay rendering

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This commit is contained in:
Ben Ogle
2015-03-31 16:04:01 -07:00
parent 6b5a74e3b6
commit 0fa03f15b6
1 changed files with 13 additions and 6 deletions
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19
src/overlay-manager.coffee
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@@ -23,16 +23,23 @@ class OverlayManager
itemWidth = item.offsetWidth
itemHeight = item.offsetHeight
contentMargin = parseInt(getComputedStyle(item)['margin-left']) ? 0
{scrollTop, scrollLeft} = state.content
left = pixelPosition.left
if left + itemWidth - scrollLeft > @presenter.contentFrameWidth and left - itemWidth >= scrollLeft
left -= itemWidth
editorBounds = @presenter.boundingClientRect
gutterWidth = editorBounds.width - @presenter.contentFrameWidth
top = pixelPosition.top + @presenter.lineHeight
if top + itemHeight - scrollTop > @presenter.height and top - itemHeight - @presenter.lineHeight >= scrollTop
left = pixelPosition.left - scrollLeft + gutterWidth
top = pixelPosition.top + @presenter.lineHeight - scrollTop
rightDiff = left + editorBounds.left + itemWidth + contentMargin - @presenter.windowWidth
left -= rightDiff if rightDiff > 0
leftDiff = left + editorBounds.left + contentMargin
left -= leftDiff if leftDiff < 0
if top + editorBounds.top + itemHeight > @presenter.windowHeight
top -= itemHeight + @presenter.lineHeight
overlayNode.style.top = top + 'px'