2015-02-03 14:07:31 +00:00
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package termui
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2015-02-04 01:56:49 +00:00
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type border struct {
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X int
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Y int
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Width int
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Height int
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FgColor Attribute
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BgColor Attribute
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}
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type hline struct {
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X int
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Y int
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Length int
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FgColor Attribute
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BgColor Attribute
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}
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type vline struct {
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X int
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Y int
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Length int
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FgColor Attribute
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BgColor Attribute
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}
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func (l hline) Buffer() []Point {
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pts := make([]Point, l.Length)
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for i := 0; i < l.Length; i++ {
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pts[i].X = l.X + i
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pts[i].Y = l.Y
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pts[i].Ch = HORIZONTAL_LINE
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pts[i].Bg = l.BgColor
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pts[i].Fg = l.FgColor
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}
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return pts
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}
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func (l vline) Buffer() []Point {
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pts := make([]Point, l.Length)
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for i := 0; i < l.Length; i++ {
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pts[i].X = l.X
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pts[i].Y = l.Y + i
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pts[i].Ch = VERTICAL_LINE
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pts[i].Bg = l.BgColor
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pts[i].Fg = l.FgColor
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}
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return pts
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}
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func (b border) Buffer() []Point {
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if b.Width < 2 || b.Height < 2 {
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return nil
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}
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pts := make([]Point, 2*b.Width+2*b.Height-4)
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pts[0].X = b.X
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pts[0].Y = b.Y
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pts[0].Fg = b.FgColor
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pts[0].Bg = b.BgColor
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pts[0].Ch = TOP_LEFT
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pts[1].X = b.X + b.Width - 1
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pts[1].Y = b.Y
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pts[1].Fg = b.FgColor
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pts[1].Bg = b.BgColor
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pts[1].Ch = TOP_RIGHT
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pts[2].X = b.X
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pts[2].Y = b.Y + b.Height - 1
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pts[2].Fg = b.FgColor
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pts[2].Bg = b.BgColor
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pts[2].Ch = BOTTOM_LEFT
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pts[3].X = b.X + b.Width - 1
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pts[3].Y = b.Y + b.Height - 1
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pts[3].Fg = b.FgColor
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pts[3].Bg = b.BgColor
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pts[3].Ch = BOTTOM_RIGHT
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copy(pts[4:], (hline{b.X + 1, b.Y, b.Width - 2, b.FgColor, b.BgColor}).Buffer())
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copy(pts[4+b.Width-2:], (hline{b.X + 1, b.Y + b.Height - 1, b.Width - 2, b.FgColor, b.BgColor}).Buffer())
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copy(pts[4+2*b.Width-4:], (vline{b.X, b.Y + 1, b.Height - 2, b.FgColor, b.BgColor}).Buffer())
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copy(pts[4+2*b.Width-4+b.Height-2:], (vline{b.X + b.Width - 1, b.Y + 1, b.Height - 2, b.FgColor, b.BgColor}).Buffer())
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return pts
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}
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type labeledBorder struct {
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border
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Label string
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LabelFgColor Attribute
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LabelBgColor Attribute
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}
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func (lb labeledBorder) Buffer() []Point {
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ps := lb.border.Buffer()
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maxTxtW := lb.Width - 2
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rs := trimStr2Runes(lb.Label, maxTxtW)
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for i := 0; i < len(rs); i++ {
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ps = append(ps, newPointWithAttrs(rs[i], lb.X+1+i, lb.Y, lb.LabelFgColor, lb.LabelBgColor))
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}
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return ps
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}
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