Add statusbar (Close #72)

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/cjbassi/drawille-go v0.0.0-20180329221028-ad535d0f92cd
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/docopt/docopt.go v0.0.0-20180111231733-ee0de3bc6815
-	github.com/gizak/termui v0.0.0-20190101005313-46c77dca8480
+	github.com/gizak/termui v0.0.0-20190101100649-ffdef4cb72e9
 	github.com/go-ole/go-ole v1.2.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/shirou/gopsutil v2.18.11+incompatible

go.sum

@@ -10,6 +10,10 @@ github.com/docopt/docopt.go v0.0.0-20180111231733-ee0de3bc6815 h1:HMAfwOa33y82Ia
 github.com/docopt/docopt.go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:l7JNRynTRuqe45tpIyItHNqZWTxywYjp87MWTOnU5cg=
 github.com/gizak/termui v0.0.0-20190101005313-46c77dca8480 h1:+NHS7QUnQqEwIuhrHaFT6R78LMGbja4fYTu6wny7Q4s=
 github.com/gizak/termui v0.0.0-20190101005313-46c77dca8480/go.mod h1:S3xz8JHXNDPSNFsvXCdG7bHlEGrwvUG3a0joR/xYZ5M=
+github.com/gizak/termui v0.0.0-20190101093801-cb2e49106b0d h1:+4uQfMi8fK2KnydfTqUW9wuRLfNVkzz+LuH7EHPUwxA=
+github.com/gizak/termui v0.0.0-20190101093801-cb2e49106b0d/go.mod h1:S3xz8JHXNDPSNFsvXCdG7bHlEGrwvUG3a0joR/xYZ5M=
+github.com/gizak/termui v0.0.0-20190101100649-ffdef4cb72e9 h1:h5eo3CW6c9WMG+rN8cVxf25v8bSWFjuaDJdvtEWc61E=
+github.com/gizak/termui v0.0.0-20190101100649-ffdef4cb72e9/go.mod h1:S3xz8JHXNDPSNFsvXCdG7bHlEGrwvUG3a0joR/xYZ5M=
 github.com/go-ole/go-ole v1.2.1 h1:2lOsA72HgjxAuMlKpFiCbHTvu44PIVkZ5hqm3RSdI/E=
 github.com/go-ole/go-ole v1.2.1/go.mod h1:7FAglXiTm7HKlQRDeOQ6ZNUHidzCWXuZWq/1dTyBNF8=
 github.com/mattn/go-runewidth v0.0.2 h1:UnlwIPBGaTZfPQ6T1IGzPI0EkYAQmT9fAEJ/poFC63o=

main.go

@@ -38,6 +38,7 @@ var (
 	configDir    = appdir.New("gotop").UserConfig()
 	logPath      = filepath.Join(configDir, "errors.log")
 	stderrLogger = log.New(os.Stderr, "", 0)
+	statusbar    = false
 	termWidth    int
 	termHeight   int
 
@@ -64,6 +65,7 @@ Options:
   -p, --percpu          Show each CPU in the CPU widget.
   -a, --averagecpu      Show average CPU in the CPU widget.
   -f, --fahrenheit      Show temperatures in fahrenheit.
+  -b, --bar             Show a statusbar with the time.
 
 Colorschemes:
   default
@@ -90,6 +92,8 @@ Colorschemes:
 		widgetCount = 3
 	}
 
+	statusbar, _ = args["--bar"].(bool)
+
 	rateStr, _ := args["--rate"].(string)
 	rate, err := strconv.ParseFloat(rateStr, 64)
 	if err != nil {
@@ -143,28 +147,41 @@ func setupGrid() {
 	grid = ui.NewGrid()
 	grid.SetRect(0, 0, termWidth, termHeight)
 
+	var barRow interface{}
 	if minimal {
+		rowHeight := 1.0 / 2
+		if statusbar {
+			rowHeight = 50.0 / 101
+			barRow = ui.NewRow(1.0/101, w.NewStatusBar())
+		}
 		grid.Set(
-			ui.NewRow(1.0/2, cpu),
-			ui.NewRow(1.0/2,
+			ui.NewRow(rowHeight, cpu),
+			ui.NewRow(rowHeight,
 				ui.NewCol(1.0/2, mem),
 				ui.NewCol(1.0/2, proc),
 			),
+			barRow,
 		)
 	} else {
+		rowHeight := 1.0 / 3
+		if statusbar {
+			rowHeight = 50.0 / 151
+			barRow = ui.NewRow(1.0/151, w.NewStatusBar())
+		}
 		grid.Set(
-			ui.NewRow(1.0/3, cpu),
-			ui.NewRow(1.0/3,
+			ui.NewRow(rowHeight, cpu),
+			ui.NewRow(rowHeight,
 				ui.NewCol(1.0/3,
 					ui.NewRow(1.0/2, disk),
 					ui.NewRow(1.0/2, temp),
 				),
 				ui.NewCol(2.0/3, mem),
 			),
-			ui.NewRow(1.0/3,
+			ui.NewRow(rowHeight,
 				ui.NewCol(1.0/2, net),
 				ui.NewCol(1.0/2, proc),
 			),
+			barRow,
 		)
 	}
 }

src/widgets/statusbar.go

@@ -0,0 +1,50 @@
+package widgets
+
+import (
+	"image"
+	"os"
+	"time"
+
+	ui "github.com/gizak/termui"
+)
+
+type StatusBar struct {
+	ui.Block
+}
+
+func NewStatusBar() *StatusBar {
+	self := &StatusBar{*ui.NewBlock()}
+	self.Border = false
+	return self
+}
+
+func (self *StatusBar) Draw(buf *ui.Buffer) {
+	self.Block.Draw(buf)
+
+	hostname, _ := os.Hostname()
+	buf.SetString(
+		hostname,
+		image.Pt(self.Inner.Min.X, self.Inner.Min.Y+(self.Inner.Dy()/2)),
+		ui.AttrPair{ui.Attribute(7), -1},
+	)
+
+	t := time.Now()
+	_time := t.Format("15:04:05")
+	buf.SetString(
+		_time,
+		image.Pt(
+			self.Inner.Min.X+(self.Inner.Dx()/2)-len(_time)/2,
+			self.Inner.Min.Y+(self.Inner.Dy()/2),
+		),
+		ui.AttrPair{7, -1},
+	)
+
+	buf.SetString(
+		"gotop",
+		image.Pt(
+			self.Inner.Max.X-6,
+			self.Inner.Min.Y+(self.Inner.Dy()/2),
+		),
+		ui.AttrPair{7, -1},
+	)
+}