activity mode gauge

README.md

@@ -3,5 +3,5 @@
 tvxwidgets provides extra useful primitives (widgets) for [tview](https://github.com/rivo/tview)
 
 * bar chart
-* simple gauge
-* resource utilisatrion gauge
+* activity mode (am) gauge
+* percentage mode (pm) gauge

am_gauge.go

@@ -0,0 +1,97 @@
+package tvxwidgets
+
+import (
+	"fmt"
+
+	"github.com/gdamore/tcell/v2"
+	"github.com/rivo/tview"
+)
+
+const (
+	// gauge cell
+	prgCell = "▉"
+)
+
+//ActivityModeGauge represents activity mode gauge permitive.
+type ActivityModeGauge struct {
+	*tview.Box
+	// counter value
+	counter int
+
+	// pgBgColor: progress block background color
+	pgBgColor tcell.Color
+}
+
+// NewActivityModeGauge returns new activity mode gauge permitive.
+func NewActivityModeGauge() *ActivityModeGauge {
+	gauge := &ActivityModeGauge{
+		Box:       tview.NewBox(),
+		counter:   0,
+		pgBgColor: tcell.ColorBlue,
+	}
+	return gauge
+}
+
+// Draw draws this primitive onto the screen.
+func (g *ActivityModeGauge) Draw(screen tcell.Screen) {
+	g.Box.DrawForSubclass(screen, g)
+	x, y, width, height := g.Box.GetInnerRect()
+	tickStr := g.tickStr(width)
+	for i := 0; i < height; i++ {
+		tview.Print(screen, tickStr, x, y+i, width, tview.AlignLeft, tcell.ColorYellow)
+	}
+}
+
+// SetTitle sets title for this primitive.
+func (g *ActivityModeGauge) SetTitle(title string) {
+	g.Box.SetTitle(title)
+}
+
+// Focus is called when this primitive receives focus
+func (g *ActivityModeGauge) Focus(delegate func(p tview.Primitive)) {
+}
+
+// HasFocus returns whether or not this primitive has focus
+func (g *ActivityModeGauge) HasFocus() bool {
+	return g.Box.HasFocus()
+}
+
+// GetRect return primitive current rect
+func (g *ActivityModeGauge) GetRect() (int, int, int, int) {
+	return g.Box.GetRect()
+}
+
+// SetRect sets rect for this primitive.
+func (g *ActivityModeGauge) SetRect(x, y, width, height int) {
+	g.Box.SetRect(x, y, width, height)
+}
+
+// SetPgBgColor sets progress block background color
+func (g *ActivityModeGauge) SetPgBgColor(color tcell.Color) {
+	g.pgBgColor = color
+}
+
+// Pulse pulse update the gauge progress bar
+func (g *ActivityModeGauge) Pulse() {
+	g.counter = g.counter + 1
+}
+
+func (g *ActivityModeGauge) tickStr(max int) string {
+	if g.counter >= max-4 {
+		g.counter = 0
+	}
+	prgHeadStr := ""
+	hWidth := 0
+	prgEndStr := ""
+	prgStr := ""
+	for i := 0; i < g.counter; i++ {
+		prgHeadStr = prgHeadStr + fmt.Sprintf("[%s::]%s", getColorName(tview.Styles.PrimitiveBackgroundColor), prgCell)
+		hWidth++
+	}
+	prgStr = prgCell + prgCell + prgCell + prgCell
+	for i := 0; i < max+hWidth+4; i++ {
+		prgEndStr = prgEndStr + fmt.Sprintf("[%s::]%s", getColorName(tview.Styles.PrimitiveBackgroundColor), prgCell)
+	}
+
+	return fmt.Sprintf("%s[%s::]%s%s", prgHeadStr, getColorName(g.pgBgColor), prgStr, prgEndStr)
+}

barchart.go

@@ -1,4 +1,4 @@
-package tgraph
+package tvxwidgets
 
 import (
 	"fmt"
@@ -136,6 +136,7 @@ func (c *BarChart) SetBorder(status bool) {
 	c.Box.SetBorder(status)
 }
 
+// GetRect return primitive current rect
 func (c *BarChart) GetRect() (int, int, int, int) {
 	return c.Box.GetRect()
 }

demos/am_gauge/README.md

@@ -0,0 +1 @@
+![Screenshot](screenshot.png)

demos/am_gauge/main.go

@@ -0,0 +1,35 @@
+// Demo code for the bar chart primitive.
+package main
+
+import (
+	"time"
+
+	"github.com/gdamore/tcell/v2"
+	"github.com/navidys/tvxwidgets"
+	"github.com/rivo/tview"
+)
+
+func main() {
+	app := tview.NewApplication()
+	gauge := tvxwidgets.NewActivityModeGauge()
+	gauge.SetTitle("activity mode gauge")
+	gauge.SetPgBgColor(tcell.ColorOrange)
+	gauge.SetRect(10, 4, 50, 3)
+	gauge.SetBorder(true)
+
+	update := func() {
+		tick := time.NewTicker(500 * time.Millisecond)
+		for {
+			select {
+			case <-tick.C:
+				gauge.Pulse()
+				app.Draw()
+			}
+		}
+	}
+	go update()
+
+	if err := app.SetRoot(gauge, false).EnableMouse(true).Run(); err != nil {
+		panic(err)
+	}
+}

demos/barchart/main.go

@@ -3,13 +3,13 @@ package main
 
 import (
 	"github.com/gdamore/tcell/v2"
-	"github.com/navidys/tgraph"
+	"github.com/navidys/tvxwidgets"
 	"github.com/rivo/tview"
 )
 
 func main() {
 	app := tview.NewApplication()
-	barGraph := tgraph.NewBarChart()
+	barGraph := tvxwidgets.NewBarChart()
 	barGraph.SetRect(4, 2, 50, 20)
 	barGraph.SetBorder(true)
 	barGraph.SetTitle("System Resource Usage")

demos/demo/main.go

@@ -6,14 +6,14 @@ import (
 	"time"
 
 	"github.com/gdamore/tcell/v2"
-	"github.com/navidys/tgraph"
+	"github.com/navidys/tvxwidgets"
 	"github.com/rivo/tview"
 )
 
 func main() {
 	app := tview.NewApplication()
 
-	barGraph := tgraph.NewBarChart()
+	barGraph := tvxwidgets.NewBarChart()
 	barGraph.SetBorder(true)
 	barGraph.SetTitle("System Resource Usage")
 	// display system metric usage

go.mod

@@ -1,12 +1,14 @@
-module github.com/navidys/tgraph
+module github.com/navidys/tvxwidgets
 
 go 1.17
 
-require github.com/rivo/tview v0.0.0-20211202162923-2a6de950f73b
+require (
+	github.com/gdamore/tcell/v2 v2.4.1-0.20210905002822-f057f0a857a1
+	github.com/rivo/tview v0.0.0-20211202162923-2a6de950f73b
+)
 
 require (
 	github.com/gdamore/encoding v1.0.0 // indirect
-	github.com/gdamore/tcell/v2 v2.4.1-0.20210905002822-f057f0a857a1 // indirect
 	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
 	github.com/mattn/go-runewidth v0.0.13 // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect

utils.go

@@ -0,0 +1,13 @@
+package tvxwidgets
+
+import "github.com/gdamore/tcell/v2"
+
+// getColorName returns convert tcell color to its name
+func getColorName(color tcell.Color) string {
+	for name, c := range tcell.ColorNames {
+		if c == color {
+			return name
+		}
+	}
+	return ""
+}