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Organize visible highlights by tile

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This commit is contained in:
Antonio Scandurra 2015-06-05 17:00:17 +02:00
parent d294f35849
commit c1b4b743b4
1 changed files with 8 additions and 4 deletions
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12
src/text-editor-presenter.coffee
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@ -24,6 +24,7 @@ class TextEditorPresenter
@disposables = new CompositeDisposable
@emitter = new Emitter
@visibleHighlights = {}
@characterWidthsByScope = {}
@rangesByDecorationId = {}
@lineDecorationsByScreenRow = {}
@ -331,6 +332,7 @@ class TextEditorPresenter
endRow = Math.min(@model.getScreenLineCount(), startRow + @tileSize)
tile = @state.content.tiles[startRow] ?= {}
tile.startRow = startRow
tile.top = startRow * @lineHeight - @scrollTop
tile.left = -@scrollLeft
tile.height = @tileSize * @lineHeight
@ -1171,8 +1173,8 @@ class TextEditorPresenter
@lineDecorationsByScreenRow = {}
@lineNumberDecorationsByScreenRow = {}
@customGutterDecorationsByGutterNameAndScreenRow = {}
@visibleHighlights = {}
visibleHighlights = {}
return unless 0 <= @startRow <= @endRow <= Infinity
for markerId, decorations of @model.decorationsForScreenRowRange(@startRow, @endRow - 1)
@ -1181,12 +1183,11 @@ class TextEditorPresenter
if decoration.isType('line') or decoration.isType('gutter')
@addToLineDecorationCaches(decoration, range)
else if decoration.isType('highlight')
visibleHighlights[decoration.id] = @updateHighlightState(decoration)
@updateHighlightState(decoration)
for tileId, tileState of @state.content.tiles
for id, highlight of tileState.highlights
unless visibleHighlights[id]
delete tileState.highlights[id]
delete tileState.highlights[id] unless @visibleHighlights[tileId]?[id]?
return
@ -1300,6 +1301,9 @@ class TextEditorPresenter
highlightState.deprecatedRegionClass = properties.deprecatedRegionClass
highlightState.regions = @buildHighlightRegions(tileStartRow, tileRange)
@visibleHighlights[tileStartRow] ?= {}
@visibleHighlights[tileStartRow][decoration.id] = true
startRow = tileEndRow
@emitDidUpdateState()