add resize handlers, screen width error to expandedWidgets

cwidgets/expanded/cpu.go

@@ -13,9 +13,9 @@ func NewExpandedCpu() *ExpandedCpu {
 	cpu := &ExpandedCpu{ui.NewLineChart(), NewFloatHist(60)}
 	cpu.BorderLabel = "CPU"
 	cpu.Height = 10
-	cpu.Width = 50
+	cpu.Width = colWidth[0]
 	cpu.X = 0
-	cpu.Y = 4
+	cpu.Y = 6
 	cpu.Data = cpu.hist.Data
 	cpu.DataLabels = cpu.hist.Labels
 	cpu.AxesColor = ui.ColorDefault

cwidgets/expanded/info.go

@@ -4,6 +4,8 @@ import (
 	ui "github.com/gizak/termui"
 )
 
+var displayInfo = []string{"id", "name", "image", "state"}
+
 type Info struct {
 	*ui.Table
 	data map[string]string
@@ -12,11 +14,11 @@ type Info struct {
 func NewInfo(id string) *Info {
 	p := ui.NewTable()
 	p.Height = 4
-	p.Width = 50
+	p.Width = colWidth[0]
 	p.FgColor = ui.ColorWhite
 	p.Seperator = false
 	i := &Info{p, make(map[string]string)}
-	i.Set("ID", id)
+	i.Set("id", id)
 	return i
 }
 
@@ -24,7 +26,10 @@ func (w *Info) Set(k, v string) {
 	w.data[k] = v
 	// rebuild rows
 	w.Rows = [][]string{}
-	for k, v := range w.data {
+	for _, k := range displayInfo {
+		if v, ok := w.data[k]; ok {
 			w.Rows = append(w.Rows, []string{k, v})
 		}
+	}
+	w.Height = len(w.Rows) + 2
 }

cwidgets/expanded/main.go

@@ -1,42 +1,94 @@
 package expanded
 
 import (
+	"github.com/bcicen/ctop/logging"
 	"github.com/bcicen/ctop/metrics"
 	ui "github.com/gizak/termui"
 )
 
+var (
+	log       = logging.Init()
+	sizeError = termSizeError()
+	colWidth  = [2]int{60, 0} // left,right column width
+)
+
 type Expanded struct {
 	Info  *Info
 	Net   *ExpandedNet
 	Cpu   *ExpandedCpu
 	Mem   *ExpandedMem
-	infoMap map[string]string
+	Width int
 }
 
 func NewExpanded(id string) *Expanded {
+	if len(id) > 12 {
+		id = id[:12]
+	}
 	return &Expanded{
 		Info:  NewInfo(id),
 		Net:   NewExpandedNet(),
 		Cpu:   NewExpandedCpu(),
 		Mem:   NewExpandedMem(),
+		Width: ui.TermWidth(),
 	}
 }
 
-func (w *Expanded) Buffer() ui.Buffer {
+func (e *Expanded) SetWidth(w int) {
+	e.Width = w
+}
+
+func (e *Expanded) SetMeta(k, v string) {
+	e.Info.Set(k, v)
+}
+
+func (e *Expanded) SetMetrics(m metrics.Metrics) {
+	e.Cpu.Update(m.CPUUtil)
+	e.Net.Update(m.NetRx, m.NetTx)
+	e.Mem.Update(int(m.MemUsage), int(m.MemLimit))
+}
+
+func (e *Expanded) Align() {
+	y := 0
+	for _, i := range e.all() {
+		i.SetY(y)
+		y += i.GetHeight()
+	}
+	if e.Width > colWidth[0] {
+		colWidth[1] = e.Width - (colWidth[0] + 1)
+	}
+	log.Debugf("align: width=%v left-col=%v right-col=%v", e.Width, colWidth[0], colWidth[1])
+}
+
+func calcWidth(w int) {
+}
+
+func (e *Expanded) Buffer() ui.Buffer {
 	buf := ui.NewBuffer()
-	buf.Merge(w.Info.Buffer())
-	buf.Merge(w.Cpu.Buffer())
-	buf.Merge(w.Mem.Buffer())
-	buf.Merge(w.Net.Buffer())
+	if e.Width < (colWidth[0] + colWidth[1]) {
+		ui.Clear()
+		buf.Merge(sizeError.Buffer())
+		return buf
+	}
+	buf.Merge(e.Info.Buffer())
+	buf.Merge(e.Cpu.Buffer())
+	buf.Merge(e.Mem.Buffer())
+	buf.Merge(e.Net.Buffer())
 	return buf
 }
 
-func (w *Expanded) SetMeta(k, v string) {
-	w.Info.Set(k, v)
+func (e *Expanded) all() []ui.GridBufferer {
+	return []ui.GridBufferer{
+		e.Info,
+		e.Cpu,
+		e.Mem,
+		e.Net,
+	}
 }
 
-func (w *Expanded) SetMetrics(m metrics.Metrics) {
-	w.Cpu.Update(m.CPUUtil)
-	w.Net.Update(m.NetRx, m.NetTx)
-	w.Mem.Update(int(m.MemUsage), int(m.MemLimit))
+func termSizeError() *ui.Par {
+	p := ui.NewPar("screen too small!")
+	p.Height = 1
+	p.Width = 20
+	p.Border = false
+	return p
 }

cwidgets/expanded/mem.go

@@ -13,11 +13,11 @@ type ExpandedMem struct {
 func NewExpandedMem() *ExpandedMem {
 	mem := &ExpandedMem{
 		ui.NewBarChart(),
-		NewIntHist(8),
+		NewIntHist(10),
 	}
 	mem.BorderLabel = "MEM"
 	mem.Height = 10
-	mem.Width = 50
+	mem.Width = colWidth[0]
 	mem.BarWidth = 5
 	mem.BarGap = 1
 	mem.X = 0

cwidgets/expanded/net.go

@@ -18,7 +18,7 @@ func NewExpandedNet() *ExpandedNet {
 	net := &ExpandedNet{ui.NewSparklines(), NewDiffHist(50), NewDiffHist(50)}
 	net.BorderLabel = "NET"
 	net.Height = 6
-	net.Width = 50
+	net.Width = colWidth[0]
 	net.X = 0
 	net.Y = 24
 

dockersource.go

@@ -66,6 +66,8 @@ func (cm *DockerContainerSource) refresh(c *Container) {
 		return
 	}
 	c.SetMeta("name", shortName(insp.Name))
+	c.SetMeta("image", insp.Config.Image)
+	c.SetMeta("created", insp.Created.Format("Mon Jan 2 15:04:05 2006"))
 	c.SetState(insp.State.Status)
 }
 

grid.go

@@ -52,12 +52,18 @@ func ExpandView(c *Container) {
 	ui.DefaultEvtStream.ResetHandlers()
 	defer ui.DefaultEvtStream.ResetHandlers()
 
-	expandWidgets := expanded.NewExpanded(c.Id)
-	c.SetUpdater(expandWidgets)
+	ex := expanded.NewExpanded(c.Id)
+	c.SetUpdater(ex)
 
-	ui.Render(expandWidgets)
+	ex.Align()
+	ui.Render(ex)
 	ui.Handle("/timer/1s", func(ui.Event) {
-		ui.Render(expandWidgets)
+		ui.Render(ex)
+	})
+	ui.Handle("/sys/wnd/resize", func(e ui.Event) {
+		ex.SetWidth(ui.TermWidth())
+		ex.Align()
+		log.Infof("resize: width=%v max-rows=%v", ex.Width, maxRows())
 	})
 	ui.Handle("/sys/kbd/", func(ui.Event) {
 		ui.StopLoop()