add stop after current check to pop up queue

backend/playbackengine.go

@@ -65,6 +65,8 @@ type playbackEngine struct {
 	isRadio       bool
 	loopMode      LoopMode
 
+	stopAfterCurrent bool // flag to stop playback after current track ends
+
 	// flags for handleOnTrackChange / handleOnStopped callbacks - reset to false in the callbacks
 	wasStopped       bool // true iff player was stopped before handleOnTrackChange invocation
 	alreadyScrobbled bool // true iff the previously-playing track was already scrobbled
@@ -334,6 +336,15 @@ func (p *playbackEngine) Stop() error {
 	return p.player.Stop(false)
 }
 
+func (p *playbackEngine) SetStopAfterCurrent(stopAfterCurrent bool) {
+	p.stopAfterCurrent = stopAfterCurrent
+	if p.stopAfterCurrent {
+		p.setNextTrack(-1) // clear next playing track from internal player, if any
+	} else if p.loopMode != LoopNone || p.nowPlayingIdx < len(p.playQueue)-1 {
+		p.needToSetNextTrack = true // need to restore next track to internal player queue
+	}
+}
+
 func (p *playbackEngine) Pause() error {
 	return p.player.Pause()
 }
@@ -634,6 +645,7 @@ func (p *playbackEngine) handleOnStopped() {
 	p.alreadyScrobbled = false
 	p.wasStopped = true
 	p.nowPlayingIdx = -1
+	p.stopAfterCurrent = false
 }
 
 // to be invoked as soon as the next item in the queue that should play changes
@@ -855,7 +867,7 @@ func (p *playbackEngine) handleTimePosUpdate(seeked bool) {
 		meta = np.Metadata()
 	}
 	isNearEnd := meta.Type != mediaprovider.MediaItemTypeRadioStation && s.TimePos > meta.Duration.Seconds()-10
-	if p.needToSetNextTrack && isNearEnd {
+	if p.needToSetNextTrack && !p.stopAfterCurrent && isNearEnd {
 		p.needToSetNextTrack = false
 		p.setNextTrack(p.nextPlayingIndex())
 	}

backend/playbackmanager.go

@@ -669,6 +669,14 @@ func (p *PlaybackManager) PlayPause() {
 	}
 }
 
+func (p *PlaybackManager) SetStopAfterCurrent(stopAfterCurrent bool) {
+	p.engine.SetStopAfterCurrent(stopAfterCurrent)
+}
+
+func (p *PlaybackManager) IsStopAfterCurrent() bool {
+	return p.engine.stopAfterCurrent
+}
+
 func (p *PlaybackManager) enqueueAutoplayTracks() {
 	nowPlaying := p.NowPlaying()
 	if nowPlaying == nil {

ui/controller/controller.go

@@ -27,6 +27,7 @@ import (
 	"fyne.io/fyne/v2/container"
 	"fyne.io/fyne/v2/dialog"
 	"fyne.io/fyne/v2/lang"
+	"fyne.io/fyne/v2/layout"
 	"fyne.io/fyne/v2/theme"
 	"fyne.io/fyne/v2/widget"
 )
@@ -57,6 +58,7 @@ type Controller struct {
 
 	popUpQueue         *widget.PopUp
 	popUpQueueList     *widgets.PlayQueueList
+	stopAfterCurrent   *widget.Check
 	popUpQueueLastUsed int64
 	escapablePopUp     fyne.CanvasObject
 	haveModal          bool
@@ -195,7 +197,11 @@ func (m *Controller) ShowPopUpPlayQueue() {
 		title := widget.NewRichTextWithText(lang.L("Play Queue"))
 		title.Segments[0].(*widget.TextSegment).Style.Alignment = fyne.TextAlignCenter
 		title.Segments[0].(*widget.TextSegment).Style.TextStyle.Bold = true
-		ctr := container.NewBorder(title, nil, nil, nil,
+		m.stopAfterCurrent = widget.NewCheck(lang.L("Stop after current track"), func(b bool) {
+			m.App.PlaybackManager.SetStopAfterCurrent(b)
+		})
+		bottomRow := container.NewHBox(layout.NewSpacer(), m.stopAfterCurrent)
+		ctr := container.NewBorder(title, bottomRow, nil, nil,
 			container.NewPadded(m.popUpQueueList),
 		)
 		m.popUpQueue = widget.NewPopUp(ctr, m.MainWindow.Canvas())
@@ -224,6 +230,7 @@ func (m *Controller) ShowPopUpPlayQueue() {
 						fynetooltip.DestroyPopUpToolTipLayer(m.popUpQueue)
 						m.popUpQueue = nil
 						m.popUpQueueList = nil
+						m.stopAfterCurrent = nil
 						m.popUpQueueLastUsed = 0
 						t.Stop()
 						return
@@ -252,6 +259,7 @@ func (m *Controller) ShowPopUpPlayQueue() {
 	))
 	pop.Resize(size)
 	popUpQueueList.ScrollToNowPlaying() // must come after resize
+	m.stopAfterCurrent.SetChecked(m.App.PlaybackManager.IsStopAfterCurrent())
 	pop.ShowAtPosition(fyne.NewPos(
 		canvasSize.Width-size.Width-10,
 		canvasSize.Height-size.Height-100,