convert expanded mem widget to mbarchart, add innerlabel

cwidgets/expanded/cpu.go

@@ -4,25 +4,31 @@ import (
 	ui "github.com/gizak/termui"
 )
 
-type ExpandedCpu struct {
+type Cpu struct {
 	*ui.LineChart
 	hist FloatHist
 }
 
-func NewExpandedCpu() *ExpandedCpu {
+func NewCpu() *Cpu {
-	cpu := &ExpandedCpu{ui.NewLineChart(), NewFloatHist(60)}
+	cpu := &Cpu{ui.NewLineChart(), NewFloatHist(55)}
+	cpu.Mode = "dot"
 	cpu.BorderLabel = "CPU"
-	cpu.Height = 10
+	cpu.Height = 12
 	cpu.Width = colWidth[0]
 	cpu.X = 0
-	cpu.Y = 6
-	cpu.Data = cpu.hist.Data
 	cpu.DataLabels = cpu.hist.Labels
 	cpu.AxesColor = ui.ColorDefault
 	cpu.LineColor = ui.ColorGreen
+
+	// hack to force the default minY scale to 0
+	tmpData := []float64{20}
+	cpu.Data = tmpData
+	_ = cpu.Buffer()
+
+	cpu.Data = cpu.hist.Data
 	return cpu
 }
 
-func (w *ExpandedCpu) Update(val int) {
+func (w *Cpu) Update(val int) {
 	w.hist.Append(float64(val))
 }

cwidgets/expanded/main.go

@@ -9,14 +9,14 @@ import (
 var (
 	log       = logging.Init()
 	sizeError = termSizeError()
-	colWidth  = [2]int{60, 0} // left,right column width
+	colWidth  = [2]int{65, 0} // left,right column width
 )
 
 type Expanded struct {
 	Info  *Info
-	Net   *ExpandedNet
+	Net   *Net
-	Cpu   *ExpandedCpu
+	Cpu   *Cpu
-	Mem   *ExpandedMem
+	Mem   *Mem
 	Width int
 }
 
@@ -26,9 +26,9 @@ func NewExpanded(id string) *Expanded {
 	}
 	return &Expanded{
 		Info:  NewInfo(id),
-		Net:   NewExpandedNet(),
+		Net:   NewNet(),
-		Cpu:   NewExpandedCpu(),
+		Cpu:   NewCpu(),
-		Mem:   NewExpandedMem(),
+		Mem:   NewMem(),
 		Width: ui.TermWidth(),
 	}
 }
@@ -56,6 +56,7 @@ func (e *Expanded) Align() {
 	if e.Width > colWidth[0] {
 		colWidth[1] = e.Width - (colWidth[0] + 1)
 	}
+	e.Mem.Align()
 	log.Debugf("align: width=%v left-col=%v right-col=%v", e.Width, colWidth[0], colWidth[1])
 }
 

cwidgets/expanded/mem.go

@@ -1,41 +1,87 @@
 package expanded
 
 import (
+	"fmt"
+
 	"github.com/bcicen/ctop/cwidgets"
 	ui "github.com/gizak/termui"
 )
 
-type ExpandedMem struct {
+type Mem struct {
-	*ui.BarChart
+	*ui.Block
-	hist *IntHist
+	Chart      *ui.MBarChart
+	InnerLabel *ui.Par
+	valHist    *IntHist
+	limitHist  *IntHist
 }
 
-func NewExpandedMem() *ExpandedMem {
+func NewMem() *Mem {
-	mem := &ExpandedMem{
+	mem := &Mem{
-		ui.NewBarChart(),
+		Block:      ui.NewBlock(),
-		NewIntHist(10),
+		Chart:      newMemChart(),
+		InnerLabel: newMemLabel(),
+		valHist:    NewIntHist(9),
+		limitHist:  NewIntHist(9),
 	}
-	mem.BorderLabel = "MEM"
+	mem.Height = 13
-	mem.Height = 10
 	mem.Width = colWidth[0]
-	mem.BarWidth = 5
+	mem.BorderLabel = "MEM"
-	mem.BarGap = 1
+
-	mem.X = 0
+	mem.Chart.Data[0] = mem.valHist.Data
-	mem.Y = 14
+	mem.Chart.Data[1] = mem.limitHist.Data
-	mem.TextColor = ui.ColorDefault
+	mem.Chart.DataLabels = mem.valHist.Labels
-	mem.Data = mem.hist.Data
+
-	mem.BarColor = ui.ColorGreen
-	mem.DataLabels = mem.hist.Labels
-	mem.NumFmt = cwidgets.ByteFormatInt
 	return mem
 }
 
-func (w *ExpandedMem) Update(val int, limit int) {
+func (w *Mem) Align() {
-	// implement our own scaling for mem graph
+	y := w.Y + 1
-	if val*4 < limit {
+	w.InnerLabel.SetY(y)
-		w.SetMax(val * 4)
+	w.Chart.SetY(y + w.InnerLabel.Height)
-	} else {
+
-		w.SetMax(limit)
+	w.Chart.Height = w.Height - w.InnerLabel.Height - 2
-	}
+	w.Chart.SetWidth(w.Width - 2)
-	w.hist.Append(val)
+}
+
+func (w *Mem) Buffer() ui.Buffer {
+	buf := ui.NewBuffer()
+	buf.Merge(w.Block.Buffer())
+	buf.Merge(w.InnerLabel.Buffer())
+	buf.Merge(w.Chart.Buffer())
+	return buf
+}
+
+func newMemLabel() *ui.Par {
+	p := ui.NewPar("-")
+	p.X = 1
+	p.Border = false
+	p.Height = 1
+	p.Width = 20
+	p.TextFgColor = ui.ColorDefault
+	return p
+}
+
+func newMemChart() *ui.MBarChart {
+	mbar := ui.NewMBarChart()
+	mbar.X = 1
+	mbar.Border = false
+	mbar.BarGap = 1
+	mbar.BarWidth = 6
+	mbar.TextColor = ui.ColorDefault
+
+	mbar.BarColor[0] = ui.ColorGreen
+
+	mbar.BarColor[1] = ui.ColorBlack
+	mbar.NumColor[1] = ui.ColorBlack
+
+	mbar.NumFmt = cwidgets.ByteFormatInt
+	//mbar.ShowScale = true
+	return mbar
+}
+
+func (w *Mem) Update(val int, limit int) {
+	w.valHist.Append(val)
+	w.limitHist.Append(limit - val)
+	w.InnerLabel.Text = fmt.Sprintf("%v / %v", cwidgets.ByteFormatInt(val), cwidgets.ByteFormatInt(limit))
+	//w.Data[0] = w.hist.data
 }

cwidgets/expanded/net.go

@@ -8,14 +8,14 @@ import (
 	ui "github.com/gizak/termui"
 )
 
-type ExpandedNet struct {
+type Net struct {
 	*ui.Sparklines
 	rxHist *DiffHist
 	txHist *DiffHist
 }
 
-func NewExpandedNet() *ExpandedNet {
+func NewNet() *Net {
-	net := &ExpandedNet{ui.NewSparklines(), NewDiffHist(50), NewDiffHist(50)}
+	net := &Net{ui.NewSparklines(), NewDiffHist(60), NewDiffHist(60)}
 	net.BorderLabel = "NET"
 	net.Height = 6
 	net.Width = colWidth[0]
@@ -40,7 +40,7 @@ func NewExpandedNet() *ExpandedNet {
 	return net
 }
 
-func (w *ExpandedNet) Update(rx int64, tx int64) {
+func (w *Net) Update(rx int64, tx int64) {
 	var rate string
 
 	w.rxHist.Append(int(rx))