Add workaround for windows console

box.go

@@ -1,12 +1,5 @@
 package termui
 
-const TOP_RIGHT = '┐'
-const VERTICAL_LINE = '│'
-const HORIZONTAL_LINE = '─'
-const TOP_LEFT = '┌'
-const BOTTOM_RIGHT = '┘'
-const BOTTOM_LEFT = '└'
-
 type border struct {
 	X       int
 	Y       int

box_others.go

@@ -0,0 +1,10 @@
+// +build !windows
+
+package termui
+
+const TOP_RIGHT = '┐'
+const VERTICAL_LINE = '│'
+const HORIZONTAL_LINE = '─'
+const TOP_LEFT = '┌'
+const BOTTOM_RIGHT = '┘'
+const BOTTOM_LEFT = '└'

box_windows.go

@@ -0,0 +1,10 @@
+// +build windows
+
+package termui
+
+const TOP_RIGHT = '+'
+const VERTICAL_LINE = '|'
+const HORIZONTAL_LINE = '-'
+const TOP_LEFT = '+'
+const BOTTOM_RIGHT = '+'
+const BOTTOM_LEFT = '+'

chart.go

@@ -2,10 +2,6 @@ package termui
 
 import "fmt"
 
-const VDASH = '┊'
-const HDASH = '┈'
-const ORIGIN = '└'
-
 // only 16 possible combinations, why bother
 var braillePatterns = map[[2]int]rune{
 	[2]int{0, 0}: '⣀',

chart_others.go

@@ -0,0 +1,7 @@
+// +build !windows
+
+package termui
+
+const VDASH = '┊'
+const HDASH = '┈'
+const ORIGIN = '└'

chart_windows.go

@@ -0,0 +1,7 @@
+// +build windows
+
+package termui
+
+const VDASH = '|'
+const HDASH = '-'
+const ORIGIN = '+'