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WIP: Don't actually scroll the lines… just play with their margin to make them look like they scroll

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This commit is contained in:
Corey Johnson & Nathan Sobo 2012-05-10 17:30:06 -06:00
parent f0d4999fa4
commit b3206a5a8b
1 changed files with 10 additions and 7 deletions
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17
src/app/editor.coffee
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@ -210,8 +210,11 @@ class Editor extends View
@scrollbar.on 'scroll', =>
@updateLines()
@scroller.scrollTop(@scrollbar.scrollTop())
@gutter.scrollTop(@scroller.scrollTop())
@lines.css('margin-top', -@scrollbar.scrollTop() % @lineHeight)
# @scroller.scrollTop(@scrollbar.scrollTop())
@gutter.scrollTop(@scrollbar.scrollTop())
if @scroller.scrollLeft() == 0
@gutter.removeClass('drop-shadow')
else
@ -251,7 +254,7 @@ class Editor extends View
@lastRenderedScreenRow = @getLastVisibleScreenRow()
@insertLineElements(0, @buildLineElements(@firstRenderedScreenRow, @lastRenderedScreenRow))
@lines.css('padding-bottom', (@getLastScreenRow() - @lastRenderedScreenRow) * @lineHeight)
# @lines.css('padding-bottom', (@getLastScreenRow() - @lastRenderedScreenRow) * @lineHeight)
@scrollbarContent.height(@lineHeight * @screenLineCount())
updateLines: ->
@ -260,25 +263,25 @@ class Editor extends View
if firstVisibleScreenRow > @firstRenderedScreenRow
@removeLineElements(@firstRenderedScreenRow, firstVisibleScreenRow - 1)
@lines.css('padding-top', firstVisibleScreenRow * @lineHeight)
# @lines.css('padding-top', firstVisibleScreenRow * @lineHeight)
if lastVisibleScreenRow < @lastRenderedScreenRow
@removeLineElements(lastVisibleScreenRow + 1, @lastRenderedScreenRow)
@lines.css('padding-bottom', (@getLastScreenRow() - lastVisibleScreenRow) * @lineHeight)
# @lines.css('padding-bottom', (@getLastScreenRow() - lastVisibleScreenRow) * @lineHeight)
if firstVisibleScreenRow < @firstRenderedScreenRow
newLinesStartRow = firstVisibleScreenRow
newLinesEndRow = Math.min(@firstRenderedScreenRow - 1, lastVisibleScreenRow)
lineElements = @buildLineElements(newLinesStartRow, newLinesEndRow)
@insertLineElements(newLinesStartRow, lineElements)
@lines.css('padding-top', firstVisibleScreenRow * @lineHeight)
# @lines.css('padding-top', firstVisibleScreenRow * @lineHeight)
if lastVisibleScreenRow > @lastRenderedScreenRow
newLinesStartRow = Math.max(@lastRenderedScreenRow + 1, firstVisibleScreenRow)
newLinesEndRow = lastVisibleScreenRow
lineElements = @buildLineElements(newLinesStartRow, newLinesEndRow)
@insertLineElements(newLinesStartRow, lineElements)
@lines.css('padding-bottom', (@getLastScreenRow() - lastVisibleScreenRow) * @lineHeight)
# @lines.css('padding-bottom', (@getLastScreenRow() - lastVisibleScreenRow) * @lineHeight)
@firstRenderedScreenRow = firstVisibleScreenRow
@lastRenderedScreenRow = lastVisibleScreenRow