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Allow horizontal scrolling

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This commit is contained in:
Nathan Sobo
2014-05-10 16:24:52 -06:00
parent c8e9282557
commit cfc08e8b98
1 changed files with 9 additions and 7 deletions
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16
src/lines-component.coffee
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@@ -12,14 +12,15 @@ LinesComponent = React.createClass
render: ->
if @isMounted()
{editor, renderedRowRange, scrollTop, lineHeight, showIndentGuide} = @props
{editor, renderedRowRange, scrollTop, scrollLeft, lineHeight, showIndentGuide} = @props
[startRow, endRow] = renderedRowRange
scrollOffset = -scrollTop % lineHeight
verticalScrollOffset = -scrollTop % lineHeight
horizontalScrollOffset = -scrollLeft
lines =
for tokenizedLine, index in editor.linesForScreenRows(startRow, endRow - 1)
screenRow = startRow + index
LineComponent({key: tokenizedLine.id, tokenizedLine, showIndentGuide, lineHeight, index, scrollOffset, screenRow})
LineComponent({key: tokenizedLine.id, tokenizedLine, showIndentGuide, lineHeight, index, verticalScrollOffset, horizontalScrollOffset, screenRow})
div {className: 'lines'}, lines
@@ -105,10 +106,11 @@ LineComponent = React.createClass
displayName: 'LineComponent'
render: ->
{index, screenRow, scrollOffset, lineHeight} = @props
{index, screenRow, verticalScrollOffset, horizontalScrollOffset, lineHeight} = @props
top = index * lineHeight + scrollOffset
style = WebkitTransform: "translate3d(0px, #{top}px, 0px)"
top = index * lineHeight + verticalScrollOffset
left = horizontalScrollOffset
style = WebkitTransform: "translate3d(#{left}px, #{top}px, 0px)"
div className: 'line', style: style, 'data-screen-row': screenRow, dangerouslySetInnerHTML: {__html: @buildInnerHTML()}
@@ -138,4 +140,4 @@ LineComponent = React.createClass
"<span>#{scopeTree.getValueAsHtml({hasIndentGuide: @props.showIndentGuide})}</span>"
shouldComponentUpdate: (newProps) ->
not isEqualForProperties(newProps, @props, 'showIndentGuide', 'lineHeight', 'screenRow', 'index', 'scrollOffset')
not isEqualForProperties(newProps, @props, 'showIndentGuide', 'lineHeight', 'screenRow', 'index', 'verticalScrollOffset', 'horizontalScrollOffset')