Changes to cell.go. All files

cell.go

@@ -23,6 +23,7 @@ type cell struct { 	lastStyle Style 	width     int 	lock      bool+	lastWidth int8 // width of lastStr, or 0 when lastStr marks a redraw }  func (c *cell) setDirty(dirty bool) {@@ -36,12 +37,14 @@ func (c *cell) setDirty(dirty bool) { 		} else { 			c.lastStr = "" 		}+		c.lastWidth = 0 	} else { 		if c.currStr == "" { 			c.currStr = " " 		} 		c.lastStr = c.currStr 		c.lastStyle = c.currStyle+		c.lastWidth = int8(c.width) 	} } @@ -82,6 +85,10 @@ func (cb *CellBuffer) put(x int, y int, str string, style Style) (string, int) { 			// Printable ASCII followed by ASCII cannot be part of a larger 			// grapheme cluster, so avoid constructing a grapheme iterator. 			cl, width, str = str[:1], 1, str[1:]+		} else if str == c.lastStr && c.lastWidth > 0 {+			// Putting back what is on screen, as after a Clear: reuse the+			// width measured when it was drawn.+			cl, width, str = str, int(c.lastWidth), "" 		} else { 			g := textWidthOptions.StringGraphemes(str) 			for width == 0 && g.Next() {