Gauge percentage color fix

_test/gaugeTest.go

@@ -0,0 +1,60 @@
+package main
+
+import (
+	"log"
+	"time"
+	ui "github.com/gizak/termui"
+	"github.com/gizak/termui/widgets"
+)
+
+func main() {
+	if err := ui.Init(); err != nil {
+		log.Fatalf("failed to initialize termui: %v", err)
+	}
+	defer ui.Close()
+
+	colors := make([]ui.Color, 6)
+	colors[0] = ui.ColorGreen
+	colors[1] = ui.ColorBlue
+	colors[2] = ui.ColorMagenta
+	colors[3] = ui.ColorCyan
+	colors[4] = ui.ColorWhite
+	colors[5] = ui.ColorRed
+
+	g := widgets.NewGauge()
+	g.Title = "Gauge"
+	g.SetRect(0, 12, 50, 15)
+	g.BarColor = ui.ColorBlue
+	g.BorderStyle.Fg = ui.ColorWhite
+	g.TitleStyle.Fg = ui.ColorCyan
+	g.LabelStyle.Fg = colors[0]
+
+	tickerCount := 1
+	ui.Render(g)
+	tickerCount++
+	uiEvents := ui.PollEvents()
+	ticker := time.NewTicker(50 * time.Millisecond).C
+	colorCnt := 0
+	for {
+		select {
+		case e := <-uiEvents:
+			switch e.ID {
+				case "q", "<C-c>":
+					return
+			}
+		case <-ticker:
+			ui.Render(g)
+			g.Percent = tickerCount % 101
+			if tickerCount % 101 == 0 {
+				colorCnt++
+				if colorCnt == 6 {
+					colorCnt = 0
+				}
+				g.LabelStyle.Fg = colors[colorCnt]
+			}
+			tickerCount++
+		}
+	}
+
+	return
+}

widgets/gauge.go

@@ -49,7 +49,7 @@ func (self *Gauge) Draw(buf *Buffer) {
 		for i, char := range label {
 			style := self.LabelStyle
 			if labelXCoordinate+i+1 <= self.Inner.Min.X+barWidth {
-				style = NewStyle(self.BarColor, ColorClear, ModifierReverse)
+				style.Bg = self.BarColor
 			}
 			buf.SetCell(NewCell(char, style), image.Pt(labelXCoordinate+i, labelYCoordinate))
 		}