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This commit is contained in:
Corey Johnson & Nathan Sobo
2012-03-16 14:44:42 -07:00
parent b31bef4ea0
commit 4e8847289d
1 changed files with 18 additions and 17 deletions
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35
src/atom/renderer.coffee
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@@ -137,34 +137,35 @@ class Renderer
buildLineForBufferRow: (bufferRow) ->
@buildLinesForBufferRows(bufferRow, bufferRow)
buildLinesForBufferRows: (startRow, endRow) ->
recursiveBuildLinesForBufferRows = (startRow, endRow, startColumn, currentScreenLineLength=0) =>
return [] if startRow > endRow and not startColumn?
buildLinesForBufferRows: (startBufferRow, endBufferRow) ->
recursiveBuildLinesForBufferRows = (startBufferRow, endBufferRow, startBufferColumn, currentScreenLineLength=0) =>
return [] if startBufferRow > endBufferRow and not startBufferColumn?
startColumn ?= 0
line = @highlighter.lineForRow(startRow).splitAt(startColumn)[1]
startBufferColumn ?= 0
line = @highlighter.lineForRow(startBufferRow).splitAt(startBufferColumn)[1]
wrapColumn = @findWrapColumn(line.text, @maxLineLength - currentScreenLineLength)
wrapScreenColumn = @findWrapColumn(line.text, @maxLineLength - currentScreenLineLength)
for fold in @foldsForBufferRow(startRow)
if fold.start.column >= startColumn
if (fold.start.column - startColumn) > wrapColumn - foldPlaceholderLength
wrapColumn = Math.min(wrapColumn, fold.start.column - startColumn)
for fold in @foldsForBufferRow(startBufferRow)
if fold.start.column >= startBufferColumn
foldStartSceenColumn = fold.start.column - startBufferColumn
if (foldStartSceenColumn) > wrapScreenColumn - foldPlaceholderLength
wrapScreenColumn = Math.min(wrapScreenColumn, foldStartSceenColumn)
break
prefix = line.splitAt(fold.start.column - startColumn)[0]
prefix = line.splitAt(foldStartSceenColumn)[0]
placeholder = @buildFoldPlaceholder(fold)
currentScreenLineLength = currentScreenLineLength + (prefix?.text.length ? 0) + foldPlaceholderLength
suffix = recursiveBuildLinesForBufferRows(fold.end.row, endRow, fold.end.column, currentScreenLineLength)
suffix = recursiveBuildLinesForBufferRows(fold.end.row, endBufferRow, fold.end.column, currentScreenLineLength)
return _.compact _.flatten [prefix, placeholder, suffix]
if wrapColumn?
line = line.splitAt(wrapColumn)[0]
if wrapScreenColumn?
line = line.splitAt(wrapScreenColumn)[0]
line.screenDelta = new Point(1, 0)
[line].concat recursiveBuildLinesForBufferRows(startRow, endRow, startColumn + wrapColumn)
[line].concat recursiveBuildLinesForBufferRows(startBufferRow, endBufferRow, startBufferColumn + wrapScreenColumn)
else
[line].concat recursiveBuildLinesForBufferRows(startRow + 1, endRow)
[line].concat recursiveBuildLinesForBufferRows(startBufferRow + 1, endBufferRow)
recursiveBuildLinesForBufferRows(@foldStartRowForBufferRow(startRow), endRow)
recursiveBuildLinesForBufferRows(@foldStartRowForBufferRow(startBufferRow), endBufferRow)
foldStartRowForBufferRow: (bufferRow) ->
@bufferRowForScreenRow(@screenRowForBufferRow(bufferRow))