added pause mode

component/layout.go

@@ -23,11 +23,12 @@ type Mode rune
 
 const (
 	ModeDefault          Mode = 0
-	ModeComponentSelect  Mode = 1
-	ModeMenuOptionSelect Mode = 2
-	ModeComponentMove    Mode = 3
-	ModeComponentResize  Mode = 4
-	ModeChartPinpoint    Mode = 5
+	ModePause            Mode = 1
+	ModeComponentSelect  Mode = 2
+	ModeMenuOptionSelect Mode = 3
+	ModeComponentMove    Mode = 4
+	ModeComponentResize  Mode = 5
+	ModeChartPinpoint    Mode = 6
 )
 
 const (
@@ -78,6 +79,17 @@ func (l *Layout) changeMode(m Mode) {
 
 func (l *Layout) HandleConsoleEvent(e string) {
 	switch e {
+	case console.KeyPause:
+		if l.mode == ModePause {
+			l.changeMode(ModeDefault)
+		} else {
+			if l.getSelectedComponent().Type == config.TypeRunChart {
+				chart := l.getSelectedComponent().Drawable.(*runchart.RunChart)
+				chart.DisableSelection()
+			}
+			l.menu.idle()
+			l.changeMode(ModePause)
+		}
 	case console.KeyEnter:
 		switch l.mode {
 		case ModeComponentSelect:
@@ -270,6 +282,6 @@ func (l *Layout) Draw(buffer *ui.Buffer) {
 		0, l.GetRect().Dy()-statusbarHeight,
 		l.GetRect().Dx(), l.GetRect().Dy())
 
-	l.menu.Draw(buffer)
 	l.statusbar.Draw(buffer)
+	l.menu.Draw(buffer)
 }

event/handler.go

@@ -33,7 +33,6 @@ func (h *Handler) HandleEvents() {
 
 	// initial render
 	ui.Render(h.layout)
-	pause := false
 
 	for {
 		select {
@@ -46,8 +45,6 @@ func (h *Handler) HandleEvents() {
 			case console.KeyQuit, console.KeyExit:
 				h.handleExit()
 				return
-			case console.KeyPause:
-				pause = !pause // TODO move to layout, since it will show PAUSE sign in status line, pause/unpause can be sent via channel
 			case console.SignalResize:
 				payload := e.Payload.(ui.Resize)
 				h.layout.ChangeDimensions(payload.Width, payload.Height)
@@ -60,13 +57,16 @@ func (h *Handler) HandleEvents() {
 
 func (h *Handler) handleModeChange(m component.Mode) {
 
-	// render change before switching the tickers
+	// render the change before switching the tickers
 	ui.Render(h.layout)
 	h.renderTicker.Stop()
 
-	if m == component.ModeDefault {
+	switch m {
+	case component.ModeDefault:
 		h.renderTicker = time.NewTicker(h.renderRate)
-	} else {
+	case component.ModePause:
+		// proceed with stopped timer
+	default:
 		h.renderTicker = time.NewTicker(console.MinRenderInterval)
 	}
 }