some clean up and changes for logView

cmd/gosdn-tview/app/app.go

 package app
 
-import "github.com/rivo/tview"
+import (
+	"github.com/rivo/tview"
+)
 
 type view interface {
 	GetContent() tview.Primitive
@@ -17,6 +19,7 @@ func NewApp() *App {
 	a := &App{
 		app: tview.NewApplication(),
 	}
+
 	return a
 }
 

cmd/gosdn-tview/views/addPNDView.go

@@ -7,17 +7,19 @@ import (
 
 //AddPNDView is an application view to create a new goSDN PND
 type AddPNDView struct {
+	title      string
 	addPNDView *tview.Form
 }
 
 //NewAddPNDView creates a new AddPNDView
-func NewAddPNDView(app *app.App) *AddPNDView {
+func NewAddPNDView(title string, app *app.App) *AddPNDView {
 	pndv := &AddPNDView{
+		title:      title,
 		addPNDView: tview.NewForm(),
 	}
 	pndv.addPNDView.
 		SetBorder(true).
-		SetTitle("Add new PND")
+		SetTitle(pndv.title)
 
 	pndv.addPNDView.
 		AddInputField("Name", "", 20, nil, nil).
@@ -40,3 +42,8 @@ func NewAddPNDView(app *app.App) *AddPNDView {
 func (pndv *AddPNDView) GetContent() tview.Primitive {
 	return pndv.addPNDView
 }
+
+//GetTitle returns the title of the specific view
+func (pndv *AddPNDView) GetTitle() string {
+	return pndv.title
+}

cmd/gosdn-tview/views/commandsListView.go

@@ -36,7 +36,7 @@ func (cv *CommandListView) GetCommands(app *app.App, rv *ResultAndInputView,
 	conn *grpc.ClientConn) {
 	//TODO: create own command in grpc -> commands
 	cv.commandsList.AddItem("addPND", "closes the application", 'a', func() {
-		rv.ChangeContentView("addPND")
+		rv.ChangeContentView(rv.pndInputView.GetTitle())
 		app.SetFocus(rv.GetContent())
 	})
 
@@ -46,12 +46,14 @@ func (cv *CommandListView) GetCommands(app *app.App, rv *ResultAndInputView,
 			AddItem(command.Name, command.Description, rune('b'+i), func() {
 				r := f(conn)
 				rv.SetContent(r)
-				rv.ChangeContentView("result")
+				rv.ChangeContentView(rv.GetTitle())
+				app.SetFocus(rv.GetContent())
 			})
 	}
 
 	cv.commandsList.AddItem("log", "shows the log of goSDN", 'l', func() {
-		rv.ChangeContentView("log")
+		rv.ChangeContentView(rv.consoleLogView.GetTitle())
+		app.SetFocus(rv.GetContent())
 	})
 
 	cv.commandsList.AddItem("quit", "closes the application", 'q', func() {

cmd/gosdn-tview/views/consoleLogView.go

@@ -8,20 +8,23 @@ import (
 
 //ConsoleLogView is an application view to create a view for goSDN log messages
 type ConsoleLogView struct {
+	title          string
 	consoleLogView *tview.TextView
 }
 
 //NewConsoleLogView creates a new ConsoleLogView
-func NewConsoleLogView(conn *grpc.ClientConn) *ConsoleLogView {
+func NewConsoleLogView(title string, conn *grpc.ClientConn) *ConsoleLogView {
 	clv := &ConsoleLogView{
 		consoleLogView: tview.NewTextView(),
+		title:          title,
 	}
 	clv.consoleLogView.
 		SetDynamicColors(true).
-		SetTextAlign(tview.AlignCenter).
+		SetTextAlign(tview.AlignLeft).
+		SetScrollable(true).
 		SetRegions(true).
 		SetBorder(true).
-		SetTitle("goSDN Logs")
+		SetTitle(clv.title)
 
 	commands.GoSDNLogStream(conn, clv.consoleLogView)
 
@@ -40,3 +43,8 @@ func (clv *ConsoleLogView) Write(s string) (n int, err error) {
 	b := []byte(s)
 	return clv.consoleLogView.Write(b)
 }
+
+//GetTitle returns the title of the specific view
+func (clv *ConsoleLogView) GetTitle() string {
+	return clv.title
+}

cmd/gosdn-tview/views/mainView.go

@@ -21,13 +21,13 @@ type MainView struct {
 //NewMainView creates a new MainView
 func NewMainView(app *app.App, conn *grpc.ClientConn) *MainView {
 	mv := &MainView{
-		pages:              tview.NewPages(),
-		mainGrid:           tview.NewGrid(),
-		commandsListView:   NewCommandListView(),
-		resultAndInputView: NewResultAndInputView(app, conn),
-		headerView:         NewHeaderView(),
-		footerView:         NewFooterView(app, conn),
+		pages:            tview.NewPages(),
+		mainGrid:         tview.NewGrid(),
+		commandsListView: NewCommandListView(),
+		headerView:       NewHeaderView(),
+		footerView:       NewFooterView(app, conn),
 	}
+	mv.resultAndInputView = NewResultAndInputView("result and input", app, mv.commandsListView.GetContent(), conn)
 	mv.commandsListView.GetCommands(app, mv.resultAndInputView, conn)
 
 	mv.mainGrid.

cmd/gosdn-tview/views/resultAndInputView.go

@@ -2,6 +2,7 @@ package views
 
 import (
 	"code.fbi.h-da.de/cocsn/gosdn/cmd/gosdn-tview/app"
+	"github.com/gdamore/tcell/v2"
 	"github.com/rivo/tview"
 	"google.golang.org/grpc"
 )
@@ -9,6 +10,7 @@ import (
 //ResultAndInputView is an application view to display different other views.
 //Depending on the required features the views are changed.
 type ResultAndInputView struct {
+	title          string
 	pages          *tview.Pages
 	resultView     *tview.TextView
 	pndInputView   *AddPNDView
@@ -16,24 +18,33 @@ type ResultAndInputView struct {
 }
 
 //NewResultAndInputView creates a new ResultAndInputView
-func NewResultAndInputView(app *app.App, conn *grpc.ClientConn) *ResultAndInputView {
+func NewResultAndInputView(title string, app *app.App, commandListView tview.Primitive, conn *grpc.ClientConn) *ResultAndInputView {
 	rv := &ResultAndInputView{
+		title:          title,
 		pages:          tview.NewPages(),
-		pndInputView:   NewAddPNDView(app),
+		pndInputView:   NewAddPNDView("add PND", app),
 		resultView:     tview.NewTextView(),
-		consoleLogView: NewConsoleLogView(conn),
+		consoleLogView: NewConsoleLogView("logs", conn),
 	}
 	rv.resultView.
 		SetDynamicColors(true).
 		SetRegions(true).
 		SetScrollable(true).
-		SetTitle("Result").
+		SetTitle(rv.title).
 		SetBorder(true)
 
 	rv.pages.
-		AddPage("result", rv.resultView, true, true).
-		AddPage("addPND", rv.pndInputView.GetContent(), true, false).
-		AddPage("log", rv.consoleLogView.GetContent(), true, false)
+		AddPage(rv.title, rv.resultView, true, true).
+		AddPage(rv.pndInputView.GetTitle(), rv.pndInputView.GetContent(), true, false).
+		AddPage(rv.consoleLogView.GetTitle(), rv.consoleLogView.GetContent(), true, false)
+
+	rv.pages.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
+		k := event.Key()
+		if k == tcell.KeyESC {
+			app.SetFocus(commandListView)
+		}
+		return event
+	})
 
 	return rv
 }
@@ -54,3 +65,8 @@ func (rv *ResultAndInputView) SetContent(s string) {
 	rv.resultView.Clear()
 	rv.resultView.SetText(s)
 }
+
+//GetTitle returns the title of the specific view
+func (rv *ResultAndInputView) GetTitle() string {
+	return rv.title
+}

go.mod

@@ -5,6 +5,7 @@ go 1.14
 require (
 	code.fbi.h-da.de/cocsn/swagger/apis v0.0.0-20200924152423-61030cab7b88
 	github.com/BurntSushi/toml v0.3.1
+	github.com/gdamore/tcell/v2 v2.0.1-0.20201017141208-acf90d56d591
 	github.com/go-openapi/runtime v0.19.22
 	github.com/go-openapi/strfmt v0.19.5
 	github.com/golang/protobuf v1.4.2