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@ -1,22 +1,8 @@
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class AsciiIo.VT
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class AsciiIo.VT
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constructor: (@cols, @lines, @renderer) ->
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constructor: (@cols, @lines, @renderer) ->
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@cursorX = 0
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@cursorY = 0
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@topMargin = 0
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@bottomMargin = @lines - 1
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@normalBuffer = []
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@alternateBuffer = []
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@lineData = @normalBuffer
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@dirtyLines = {}
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@brush = AsciiIo.Brush.create({})
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@data = ''
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@data = ''
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# @sb = new AsciiIo.ScreenBuffer(cols, lines)
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@resetTerminal()
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@fg = @bg = undefined
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@bright = false
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@underline = false
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@compilePatterns()
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@compilePatterns()
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noop: ->
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noop: ->
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@ -44,7 +30,7 @@ class AsciiIo.VT
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"\x0a": (data) -> @lineFeed()
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"\x0a": (data) -> @lineFeed()
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"\x0d": (data) -> @cr()
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"\x0d": (data) -> @carriageReturn()
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"\x0e": (data) ->
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"\x0e": (data) ->
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@ -91,12 +77,15 @@ class AsciiIo.VT
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"\x00": (data) ->
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"\x00": (data) ->
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"\x07": (data) -> @bell()
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"\x07": (data) -> @bell()
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"\x08": (data) -> @backspace()
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"\x08": (data) -> @backspace()
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"\x09": (data) -> # Moves the cursor to the next tab stop
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"\x09": (data) -> @goToNextHorizontalTabStop()
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"\x0a": (data) -> @lineFeed()
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"\x0a": (data) -> @lineFeed()
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"\x0d": (data) -> @cr()
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"\x0b": (data) -> @verticalTab()
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"\x0c": (data) -> @formFeed()
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"\x0d": (data) -> @carriageReturn()
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"\x0e": (data) ->
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"\x0e": (data) ->
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"\x0f": (data) ->
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"\x0f": (data) ->
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"\x82": (data) -> # Reserved (?)
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"\x82": (data) -> # Reserved (?)
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"\x85": (data) -> @setHorizontalTabStop()
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"\x94": (data) -> # Cancel Character, ignore previous character
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"\x94": (data) -> # Cancel Character, ignore previous character
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# 20 - 7e
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# 20 - 7e
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@ -137,9 +126,9 @@ class AsciiIo.VT
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# steady cursor
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# steady cursor
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else if mode is "25"
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else if mode is "25"
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if action is "h"
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if action is "h"
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@renderer.showCursor true
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@showCursor()
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else if action is "l"
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else if action is "l"
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@renderer.showCursor false
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@hideCursor()
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else if mode is "47"
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else if mode is "47"
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if action is "h"
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if action is "h"
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@switchToAlternateBuffer()
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@switchToAlternateBuffer()
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@ -173,54 +162,92 @@ class AsciiIo.VT
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"\x1b\\[>c": (data) -> # Secondary Device Attribute request (?)
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"\x1b\\[>c": (data) -> # Secondary Device Attribute request (?)
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"\x1bc": -> @resetTerminal()
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"\x1bP([^\\\\])*?\\\\": (data) -> # DCS, Device Control String
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"\x1bP([^\\\\])*?\\\\": (data) -> # DCS, Device Control String
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"\x1bD": -> @index()
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"\x1bE": -> @newLine()
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"\x1bM": -> @reverseIndex()
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"\x1bD": ->
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"\x1b7": (data) -> # save cursor pos and char attrs
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console.log 'ya yebie'
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@saveTerminalState()
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"\x1bM": ->
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"\x1b8": (data) -> # restore cursor pos and char attrs
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@reverseIndex()
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@restoreTerminalState()
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"\x1b\x37": (data) -> # save cursor pos and char attrs
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@saveCursor()
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"\x1b\x38": (data) -> # restore cursor pos and char attrs
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@restoreCursor()
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handleCSI: (term) ->
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handleCSI: (term) ->
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switch term
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switch term
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when "@"
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when "@"
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@reserveCharacters @n
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@insertCharacters @n
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when "A"
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when "A"
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@cursorUp @n or 1
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@priorRow @n
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when "B"
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when "B"
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@cursorDown @n or 1
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@nextRow @n
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when "C"
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when "C"
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@cursorForward @n or 1
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@nextColumn @n
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when "D"
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when "D"
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@cursorBack @n or 1
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@priorColumn @n
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when "E"
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@nextRowFirstColumn @n
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when "F"
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@priorRowFirstColumn @n
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when "G"
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when "G"
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@setCursorColumn @n
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@goToColumn @n
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when "H"
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when "H"
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@setCursorPos @n or 1, @m or 1
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@goToRowAndColumn @n, @m
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when "I"
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@goToNextHorizontalTabStop @n
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when "J"
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when "J"
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@eraseData @n or 0
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if @n is 2
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@eraseScreen()
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else if @n is 1
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@eraseFromScreenStart()
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else
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@eraseToScreenEnd()
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when "K"
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when "K"
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@eraseInLine @n or 0
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if @n is 2
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@eraseRow()
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else if @n is 1
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@eraseFromRowStart()
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else
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@eraseToRowEnd()
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when "L"
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when "L"
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@insertLines @n or 1
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@insertLine @n or 1
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when "M"
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when "M"
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@deleteLines @n or 1
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@deleteLine @n or 1
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when "P" # DCH - Delete Character, from current position to end of field
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@deleteCharacters @n or 1
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when "S"
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@scrollUp @n or 1
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when "T"
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@scrollDown @n or 1
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when "X"
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@eraseCharacters @n
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when "Z"
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@goToPriorHorizontalTabStop @n
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when "b"
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@repeatLastCharacter @n
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when "d" # VPA - Vertical Position Absolute
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when "d" # VPA - Vertical Position Absolute
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@setCursorLine(@n)
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@goToRow @n
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when "f"
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@goToRowAndColumn @n, @m
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when "g"
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if !@n or @n is 0
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@clearHorizontalTabStop()
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else if @n is 3
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@clearAllHorizontalTabStops()
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when "l" # l, Reset mode
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when "l" # l, Reset mode
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console.log "(TODO) reset: " + @n
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console.log "(TODO) reset: " + @n
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when "m"
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when "m"
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@handleSGR @params
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@handleSGR @params
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when "P" # DCH - Delete Character, from current position to end of field
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when "n"
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@deleteCharacter @n or 1
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@reportRowAndColumn()
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when "r" # Set top and bottom margins (scroll region on VT100)
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when "r" # Set top and bottom margins (scroll region on VT100)
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@setScrollRegion(@n, @m)
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@setScrollRegion @n or 0, @m or @lines - 1
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when "s"
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@saveCursor()
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when "u"
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@restoreCursor()
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else
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else
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throw "no handler for CSI term: " + term
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throw "no handler for CSI term: " + term
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@ -298,9 +325,6 @@ class AsciiIo.VT
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# ==== Screen buffer operations
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# ==== Screen buffer operations
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setBrush: (brush) ->
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@brush = brush
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clearScreen: ->
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clearScreen: ->
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@lineData.length = 0
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@lineData.length = 0
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@ -325,10 +349,6 @@ class AsciiIo.VT
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@lineData = @alternateBuffer
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@lineData = @alternateBuffer
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@updateScreen()
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@updateScreen()
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setScrollRegion: (top, bottom) ->
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@topMargin = top - 1
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@bottomMargin = bottom - 1
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updateLine: (n) ->
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updateLine: (n) ->
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n = (if typeof n isnt "undefined" then n else @cursorY)
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n = (if typeof n isnt "undefined" then n else @cursorY)
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@dirtyLines[n] = n
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@dirtyLines[n] = n
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@ -336,152 +356,187 @@ class AsciiIo.VT
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updateScreen: ->
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updateScreen: ->
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@dirtyLines[n] = n for n in [0...@lines]
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@dirtyLines[n] = n for n in [0...@lines]
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setCursorLine: (line) ->
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carriageReturn: ->
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oldLine = @cursorY
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@goToFirstColumn()
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@cursorY = line - 1
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@updateLine oldLine
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backspace: ->
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@updateLine()
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@priorColumn()
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print: (text) ->
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text = Utf8.decode(text)
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i = 0
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while i < text.length
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if @cursorX >= @cols
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@cursorY += 1
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@cursorX = 0
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@fill @cursorY, @cursorX, 1, text[i]
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@cursorX += 1
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i++
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setCursorColumn: (col) ->
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@cursorX = col - 1
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@updateLine()
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@updateLine()
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setCursorPos: (line, col) ->
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clearLineData: (n) ->
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@setCursorLine(line)
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@fill n, 0, @cols, " "
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@setCursorColumn(col)
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saveCursor: ->
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fill: (line, col, n, char) ->
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@savedCol = @cursorX
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lineArr = @getLine(line)
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@savedLine = @cursorY
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restoreCursor: ->
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i = 0
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oldLine = @cursorY
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while i < n
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lineArr[col + i] = [char, @brush]
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i++
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@cursorY = @savedLine
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inScrollRegion: ->
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@cursorX = @savedCol
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@cursorY >= @topMargin and @cursorY <= @bottomMargin
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@updateLine oldLine
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changes: ->
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@updateLine()
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c = {}
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for _, n of @dirtyLines
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c[n] = @lineData[n]
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cursorLeft: ->
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c
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if @cursorX > 0
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@cursorX -= 1
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|
@updateLine()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
cursorRight: ->
|
|
|
|
clearChanges: ->
|
|
|
|
if @cursorX < @cols
|
|
|
|
@dirtyLines = {}
|
|
|
|
@cursorX += 1
|
|
|
|
|
|
|
|
@updateLine()
|
|
|
|
# === ANSI handlers
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# ------ Cursor control
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# ----- Scroll control
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
reverseIndex: ->
|
|
|
|
|
|
|
|
@goToPriorRow()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
lineFeed: ->
|
|
|
|
|
|
|
|
@goToNextRow()
|
|
|
|
|
|
|
|
|
|
|
|
cursorUp: (n = 1) ->
|
|
|
|
verticalTab: ->
|
|
|
|
|
|
|
|
@goToNextRow()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
formFeed: ->
|
|
|
|
|
|
|
|
@goToNextRow()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
index: ->
|
|
|
|
|
|
|
|
@goToNextRow()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
newLine: ->
|
|
|
|
|
|
|
|
@goToNextRowFirstColumn()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# === Commands
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# ----- Cursor control
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
priorRow: (n = 1) ->
|
|
|
|
for i in [0...n]
|
|
|
|
for i in [0...n]
|
|
|
|
if @cursorY > 0
|
|
|
|
if @cursorY > 0
|
|
|
|
@cursorY -= 1
|
|
|
|
@cursorY -= 1
|
|
|
|
@updateLine @cursorY
|
|
|
|
@updateLine @cursorY
|
|
|
|
@updateLine @cursorY + 1
|
|
|
|
@updateLine @cursorY + 1
|
|
|
|
|
|
|
|
|
|
|
|
cursorDown: (n = 1) ->
|
|
|
|
nextRow: (n = 1) ->
|
|
|
|
for i in [0...n]
|
|
|
|
for i in [0...n]
|
|
|
|
if @cursorY + 1 < @lines
|
|
|
|
if @cursorY + 1 < @lines
|
|
|
|
@cursorY += 1
|
|
|
|
@cursorY += 1
|
|
|
|
@updateLine @cursorY - 1
|
|
|
|
@updateLine @cursorY - 1
|
|
|
|
@updateLine @cursorY
|
|
|
|
@updateLine @cursorY
|
|
|
|
|
|
|
|
|
|
|
|
cursorForward: (n) ->
|
|
|
|
nextColumn: (n = 1) ->
|
|
|
|
@cursorRight() for i in [0...n]
|
|
|
|
@_cursorRight() for i in [0...n]
|
|
|
|
|
|
|
|
|
|
|
|
cursorBack: (n) ->
|
|
|
|
|
|
|
|
@cursorLeft() for i in [0...n]
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
cr: ->
|
|
|
|
priorColumn: (n = 1) ->
|
|
|
|
@cursorX = 0
|
|
|
|
@_cursorLeft() for i in [0...n]
|
|
|
|
@updateLine()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
backspace: ->
|
|
|
|
_cursorLeft: ->
|
|
|
|
if @cursorX > 0
|
|
|
|
if @cursorX > 0
|
|
|
|
@cursorLeft()
|
|
|
|
@cursorX -= 1
|
|
|
|
@updateLine()
|
|
|
|
@updateLine()
|
|
|
|
|
|
|
|
|
|
|
|
print: (text) ->
|
|
|
|
_cursorRight: ->
|
|
|
|
text = Utf8.decode(text)
|
|
|
|
if @cursorX < @cols
|
|
|
|
|
|
|
|
@cursorX += 1
|
|
|
|
|
|
|
|
@updateLine()
|
|
|
|
|
|
|
|
|
|
|
|
i = 0
|
|
|
|
priorRowFirstColumn: (n = 1) ->
|
|
|
|
while i < text.length
|
|
|
|
@carriageReturn()
|
|
|
|
if @cursorX >= @cols
|
|
|
|
@priorRow n
|
|
|
|
@cursorY += 1
|
|
|
|
|
|
|
|
@cursorX = 0
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
@fill @cursorY, @cursorX, 1, text[i]
|
|
|
|
nextRowFirstColumn: (n = 1) ->
|
|
|
|
@cursorX += 1
|
|
|
|
@carriageReturn()
|
|
|
|
i++
|
|
|
|
@nextRow n
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
goToColumn: (col = 1) ->
|
|
|
|
|
|
|
|
@cursorX = col - 1
|
|
|
|
|
|
|
|
@updateLine()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
goToRow: (line = 1) ->
|
|
|
|
|
|
|
|
oldLine = @cursorY
|
|
|
|
|
|
|
|
@cursorY = line - 1
|
|
|
|
|
|
|
|
@updateLine oldLine
|
|
|
|
@updateLine()
|
|
|
|
@updateLine()
|
|
|
|
|
|
|
|
|
|
|
|
eraseData: (n) ->
|
|
|
|
goToRowAndColumn: (line = 1, col = 1) ->
|
|
|
|
if n is 0
|
|
|
|
@goToRow line
|
|
|
|
@eraseInLine 0
|
|
|
|
@goToColumn col
|
|
|
|
|
|
|
|
|
|
|
|
l = @cursorY + 1
|
|
|
|
|
|
|
|
while l < @lines
|
|
|
|
|
|
|
|
@clearLineData l
|
|
|
|
|
|
|
|
@updateLine l
|
|
|
|
|
|
|
|
l++
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
else if n is 1
|
|
|
|
|
|
|
|
l = 0
|
|
|
|
|
|
|
|
while l < @cursorY
|
|
|
|
|
|
|
|
@clearLineData l
|
|
|
|
|
|
|
|
@updateLine l
|
|
|
|
|
|
|
|
l++
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
@eraseInLine n
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
else if n is 2
|
|
|
|
|
|
|
|
l = 0
|
|
|
|
|
|
|
|
while l < @lines
|
|
|
|
|
|
|
|
@clearLineData l
|
|
|
|
|
|
|
|
@updateLine l
|
|
|
|
|
|
|
|
l++
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
eraseInLine: (n) ->
|
|
|
|
|
|
|
|
if n is 0
|
|
|
|
|
|
|
|
@fill @cursorY, @cursorX, @cols - @cursorX, " "
|
|
|
|
|
|
|
|
else if n is 1
|
|
|
|
|
|
|
|
@fill @cursorY, 0, @cursorX, " "
|
|
|
|
|
|
|
|
else if n is 2
|
|
|
|
|
|
|
|
@fill @cursorY, 0, @cols, " "
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
@updateLine()
|
|
|
|
setHorizontalTabStop: ->
|
|
|
|
|
|
|
|
# @tabStops << @cursorX
|
|
|
|
|
|
|
|
|
|
|
|
clearLineData: (n) ->
|
|
|
|
goToNextHorizontalTabStop: ->
|
|
|
|
@fill n, 0, @cols, " "
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
deleteCharacter: (n) ->
|
|
|
|
goToPriorHorizontalTabStop: ->
|
|
|
|
@getLine().splice(@cursorX, n)
|
|
|
|
|
|
|
|
|
|
|
|
clearHorizontalTabStop: ->
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
clearAllHorizontalTabStops: ->
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
saveCursor: ->
|
|
|
|
|
|
|
|
@savedCol = @cursorX
|
|
|
|
|
|
|
|
@savedLine = @cursorY
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
restoreCursor: ->
|
|
|
|
|
|
|
|
oldLine = @cursorY
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
@cursorY = @savedLine
|
|
|
|
|
|
|
|
@cursorX = @savedCol
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
@updateLine oldLine
|
|
|
|
@updateLine()
|
|
|
|
@updateLine()
|
|
|
|
|
|
|
|
|
|
|
|
reserveCharacters: (n) ->
|
|
|
|
showCursor: ->
|
|
|
|
line = @getLine()
|
|
|
|
@renderer.showCursor true
|
|
|
|
@lineData[@cursorY] = line.slice(0, @cursorX).concat(" ".times(n).split(""), line.slice(@cursorX, @cols - n))
|
|
|
|
|
|
|
|
|
|
|
|
hideCursor: ->
|
|
|
|
|
|
|
|
@renderer.showCursor false
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
goToFirstColumn: ->
|
|
|
|
|
|
|
|
@cursorX = 0
|
|
|
|
@updateLine()
|
|
|
|
@updateLine()
|
|
|
|
|
|
|
|
|
|
|
|
lineFeed: ->
|
|
|
|
# ----- Scroll control
|
|
|
|
@index()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
index: ->
|
|
|
|
setScrollRegion: (top, bottom) ->
|
|
|
|
if @cursorY + 1 < @lines
|
|
|
|
@topMargin = top - 1
|
|
|
|
@cursorDown()
|
|
|
|
@bottomMargin = bottom - 1
|
|
|
|
else
|
|
|
|
|
|
|
|
@lineData.splice 0, 1
|
|
|
|
|
|
|
|
@updateScreen()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
reverseIndex: ->
|
|
|
|
setLineWrap: (linewrap) ->
|
|
|
|
if @cursorY is 0
|
|
|
|
|
|
|
|
@insertLines 1, 0
|
|
|
|
scrollUp: ->
|
|
|
|
else
|
|
|
|
# @lineData.splice l, 0, []
|
|
|
|
@cursorUp()
|
|
|
|
# @clearLineData l
|
|
|
|
|
|
|
|
@insertLine 1, 0
|
|
|
|
|
|
|
|
@updateScreen()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
scrollDown: ->
|
|
|
|
|
|
|
|
@lineData.splice 0, 1
|
|
|
|
|
|
|
|
@updateScreen()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
insertLine: (n, l = @cursorY) ->
|
|
|
|
|
|
|
|
return unless @inScrollRegion()
|
|
|
|
|
|
|
|
|
|
|
|
insertLines: (n, l = @cursorY) ->
|
|
|
|
|
|
|
|
i = 0
|
|
|
|
i = 0
|
|
|
|
while i < n
|
|
|
|
while i < n
|
|
|
|
@lineData.splice l, 0, []
|
|
|
|
@lineData.splice l, 0, []
|
|
|
@ -493,7 +548,9 @@ class AsciiIo.VT
|
|
|
|
|
|
|
|
|
|
|
|
@updateScreen()
|
|
|
|
@updateScreen()
|
|
|
|
|
|
|
|
|
|
|
|
deleteLines: (n, l = @cursorY) ->
|
|
|
|
deleteLine: (n, l = @cursorY) ->
|
|
|
|
|
|
|
|
return unless @inScrollRegion()
|
|
|
|
|
|
|
|
|
|
|
|
@lineData.splice l, n
|
|
|
|
@lineData.splice l, n
|
|
|
|
|
|
|
|
|
|
|
|
# expand lineData to max size
|
|
|
|
# expand lineData to max size
|
|
|
@ -501,20 +558,132 @@ class AsciiIo.VT
|
|
|
|
|
|
|
|
|
|
|
|
@updateScreen()
|
|
|
|
@updateScreen()
|
|
|
|
|
|
|
|
|
|
|
|
fill: (line, col, n, char) ->
|
|
|
|
deleteCharacters: (n) ->
|
|
|
|
lineArr = @getLine(line)
|
|
|
|
@getLine().splice(@cursorX, n)
|
|
|
|
|
|
|
|
@updateLine()
|
|
|
|
|
|
|
|
|
|
|
|
i = 0
|
|
|
|
insertCharacters: (n) ->
|
|
|
|
while i < n
|
|
|
|
line = @getLine()
|
|
|
|
lineArr[col + i] = [char, @brush]
|
|
|
|
@lineData[@cursorY] = line.slice(0, @cursorX).concat(" ".times(n).split(""), line.slice(@cursorX, @cols - n))
|
|
|
|
i++
|
|
|
|
@updateLine()
|
|
|
|
|
|
|
|
|
|
|
|
changes: ->
|
|
|
|
goToPriorRow: ->
|
|
|
|
c = {}
|
|
|
|
if @cursorY is @topMargin
|
|
|
|
for _, n of @dirtyLines
|
|
|
|
@scrollUp()
|
|
|
|
c[n] = @lineData[n]
|
|
|
|
else
|
|
|
|
|
|
|
|
@priorRow()
|
|
|
|
|
|
|
|
|
|
|
|
c
|
|
|
|
# if @cursorY is 0
|
|
|
|
|
|
|
|
# @insertLine 1, 0
|
|
|
|
|
|
|
|
# else
|
|
|
|
|
|
|
|
# @priorRow()
|
|
|
|
|
|
|
|
|
|
|
|
clearChanges: ->
|
|
|
|
goToNextRow: ->
|
|
|
|
|
|
|
|
# if @cursorY is @bottomMargin
|
|
|
|
|
|
|
|
# else
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if @cursorY + 1 < @lines
|
|
|
|
|
|
|
|
@nextRow()
|
|
|
|
|
|
|
|
else
|
|
|
|
|
|
|
|
@scrollDown()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
goToNextRowFirstColumn: ->
|
|
|
|
|
|
|
|
@carriageReturn()
|
|
|
|
|
|
|
|
@goToNextRow()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
saveScrollRegion: ->
|
|
|
|
|
|
|
|
@savedTopMargin = @topMargin
|
|
|
|
|
|
|
|
@savedBottomMargin = @bottomMargin
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
restoreScrollRegion: ->
|
|
|
|
|
|
|
|
@topMargin = @savedTopMargin
|
|
|
|
|
|
|
|
@bottomMargin = @savedBottomMargin
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# ----- Terminal control
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
resetTerminal: ->
|
|
|
|
|
|
|
|
@cursorX = 0
|
|
|
|
|
|
|
|
@cursorY = 0
|
|
|
|
|
|
|
|
@topMargin = 0
|
|
|
|
|
|
|
|
@bottomMargin = @lines - 1
|
|
|
|
|
|
|
|
@normalBuffer = []
|
|
|
|
|
|
|
|
@alternateBuffer = []
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@lineData = @normalBuffer
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@dirtyLines = {}
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@dirtyLines = {}
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@brush = AsciiIo.Brush.create({})
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@fg = @bg = undefined
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@bright = false
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@underline = false
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@updateScreen()
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saveTerminalState: ->
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@saveCursor()
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@saveScrollRegion()
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@saveBrush()
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restoreTerminalState: ->
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@restoreBrush()
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@restoreScrollRegion()
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@restoreCursor()
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reportRowAndColumn: ->
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# ----- Attribute control
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setBrush: (brush) ->
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@brush = brush
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saveBrush: ->
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@savedBrush = @brush
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restoreBrush: ->
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@brush = @savedBrush
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repeatLastCharacter: (n = 1) ->
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# ----- Erase control
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eraseScreen: ->
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l = 0
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while l < @lines
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@clearLineData l
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@updateLine l
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l++
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eraseFromScreenStart: ->
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l = 0
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while l < @cursorY
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@clearLineData l
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@updateLine l
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l++
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@eraseFromRowStart()
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eraseToScreenEnd: ->
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@eraseToRowEnd()
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l = @cursorY + 1
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while l < @lines
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@clearLineData l
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@updateLine l
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l++
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eraseRow: ->
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@fill @cursorY, 0, @cols, " "
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@updateLine()
|
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eraseFromRowStart: ->
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@fill @cursorY, 0, @cursorX, " "
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@updateLine()
|
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eraseToRowEnd: ->
|
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|
@fill @cursorY, @cursorX, @cols - @cursorX, " "
|
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@updateLine()
|
|
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eraseCharacters: (n = 1) ->
|
|
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|
|
@fill @cursorY, @cursorX, n, " "
|
|
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|
|
@updateLine()
|
|
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# http://www.shaels.net/index.php/propterm/documents
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