add filter string to ctopheader

grid.go

@@ -77,6 +77,7 @@ func (g *Grid) redrawRows() {
 	// build layout
 	if config.GetToggle("enableHeader") {
 		g.header.SetCount(len(g.containers))
+		g.header.SetFilter(config.Get("filterStr"))
 		ui.Body.AddRows(g.header.Row())
 	}
 	ui.Body.AddRows(fieldHeader())
@@ -161,6 +162,10 @@ func Display(g *Grid) bool {
 		menu = HelpMenu
 		ui.StopLoop()
 	})
+	ui.Handle("/sys/kbd/H", func(ui.Event) {
+		config.Toggle("enableHeader")
+		g.redrawRows()
+	})
 	ui.Handle("/sys/kbd/q", func(ui.Event) {
 		ui.StopLoop()
 	})

widgets/header.go

@@ -10,12 +10,14 @@ import (
 type CTopHeader struct {
 	Time   *ui.Par
 	Count  *ui.Par
+	Filter *ui.Par
 }
 
 func NewCTopHeader() *CTopHeader {
 	return &CTopHeader{
 		Time:   headerPar(timeStr()),
 		Count:  headerPar("-"),
+		Filter: headerPar(""),
 	}
 }
 
@@ -24,6 +26,7 @@ func (c *CTopHeader) Row() *ui.Row {
 	return ui.NewRow(
 		ui.NewCol(2, 0, c.Time),
 		ui.NewCol(2, 0, c.Count),
+		ui.NewCol(8, 0, c.Filter),
 	)
 }
 
@@ -31,6 +34,14 @@ func (c *CTopHeader) SetCount(val int) {
 	c.Count.Text = fmt.Sprintf("%d containers", val)
 }
 
+func (c *CTopHeader) SetFilter(val string) {
+	if val == "" {
+		c.Filter.Text = ""
+	} else {
+		c.Filter.Text = fmt.Sprintf("filter: %s", val)
+	}
+}
+
 func timeStr() string {
 	return time.Now().Local().Format("15:04:05 MST")
 }