rename expanded -> single view

cwidgets/single/io.go

@@ -0,0 +1,51 @@
+package single
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/bcicen/ctop/cwidgets"
+	ui "github.com/gizak/termui"
+)
+
+type IO struct {
+	*ui.Sparklines
+	readHist  *DiffHist
+	writeHist *DiffHist
+}
+
+func NewIO() *IO {
+	io := &IO{ui.NewSparklines(), NewDiffHist(60), NewDiffHist(60)}
+	io.BorderLabel = "IO"
+	io.Height = 6
+	io.Width = colWidth[0]
+	io.X = 0
+	io.Y = 24
+
+	read := ui.NewSparkline()
+	read.Title = "READ"
+	read.Height = 1
+	read.Data = io.readHist.Data
+	read.LineColor = ui.ColorGreen
+
+	write := ui.NewSparkline()
+	write.Title = "WRITE"
+	write.Height = 1
+	write.Data = io.writeHist.Data
+	write.LineColor = ui.ColorYellow
+
+	io.Lines = []ui.Sparkline{read, write}
+	return io
+}
+
+func (w *IO) Update(read int64, write int64) {
+	var rate string
+
+	w.readHist.Append(int(read))
+	rate = strings.ToLower(cwidgets.ByteFormatInt(w.readHist.Val))
+	w.Lines[0].Title = fmt.Sprintf("read [%s/s]", rate)
+
+	w.writeHist.Append(int(write))
+	rate = strings.ToLower(cwidgets.ByteFormatInt(w.writeHist.Val))
+	w.Lines[1].Title = fmt.Sprintf("write [%s/s]", rate)
+}