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Don’t cascade computed values unless upstream values change

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This commit is contained in:
Nathan Sobo
2015-02-11 22:34:42 -07:00
parent a3f902104c
commit cf958ffeac
1 changed files with 14 additions and 8 deletions
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22
src/text-editor-presenter.coffee
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@@ -361,14 +361,18 @@ class TextEditorPresenter
Math.max(contentHeight, @height)
updateContentWidth: ->
@contentWidth = @pixelPositionForScreenPosition([@model.getLongestScreenRow(), Infinity]).left
@contentWidth += 1 unless @model.isSoftWrapped() # account for cursor width
@updateScrollbarDimensions()
contentWidth = @pixelPositionForScreenPosition([@model.getLongestScreenRow(), Infinity]).left
contentWidth += 1 unless @model.isSoftWrapped() # account for cursor width
unless @contentWidth is contentWidth
@contentWidth = contentWidth
@updateScrollbarDimensions()
updateContentHeight: ->
@contentHeight = @lineHeight * @model.getScreenLineCount()
@updateHeight()
@updateScrollbarDimensions()
contentHeight = @lineHeight * @model.getScreenLineCount()
unless @contentHeight is contentHeight
@contentHeight = contentHeight
@updateHeight()
@updateScrollbarDimensions()
computeClientHeight: ->
@height - @horizontalScrollbarHeight
@@ -528,8 +532,10 @@ class TextEditorPresenter
@updateLineNumbersState()
updateHeight: ->
@height = @explicitHeight ? @contentHeight
@updateScrollbarDimensions()
height = @explicitHeight ? @contentHeight
unless @height is height
@height = height
@updateScrollbarDimensions()
setContentFrameWidth: (contentFrameWidth) ->
unless @contentFrameWidth is contentFrameWidth