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Merge pull request #13486 from atom/ns-constrain-line-decoration-update

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Limit line decoration update to visible row range
This commit is contained in:
Nathan Sobo
2016-12-21 19:54:49 -07:00
committed by GitHub
parent 6d2cb7ca4c 8fbf42dfd5
commit 49c6ab008c
1 changed files with 3 additions and 1 deletions
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4
src/text-editor-presenter.coffee
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@@ -1141,7 +1141,9 @@ class TextEditorPresenter
@lineNumberDecorationsByScreenRow[screenRow] ?= {}
@lineNumberDecorationsByScreenRow[screenRow][decorationId] = properties
else
for row in [screenRange.start.row..screenRange.end.row] by 1
startRow = Math.max(screenRange.start.row, @getStartTileRow())
endRow = Math.min(screenRange.end.row, @getEndTileRow() + @tileSize)
for row in [startRow..endRow] by 1
continue if properties.onlyHead and row isnt headScreenPosition.row
continue if omitLastRow and row is screenRange.end.row