hook up cmd queue to PlaybackManager

ui/bottompanel.go

@@ -106,7 +106,7 @@ func NewBottomPanel(pm *backend.PlaybackManager, im *backend.ImageManager, contr
 	pm.OnLoopModeChange(bp.AuxControls.SetLoopMode)
 	pm.OnVolumeChange(bp.AuxControls.VolumeControl.SetVolume)
 	bp.AuxControls.VolumeControl.OnSetVolume = func(v int) {
-		_ = pm.SetVolume(v)
+		pm.SetVolume(v)
 	}
 	bp.AuxControls.OnChangeLoopMode(func() {
 		pm.SetNextLoopMode()

ui/controller/connectactions.go

@@ -158,7 +158,7 @@ func (c *Controller) ConnectPlayQueuelistActions(list *widgets.PlayQueueList) {
 	}
 	list.OnAddToPlaylist = c.DoAddTracksToPlaylistWorkflow
 	list.OnPlayItemAt = func(tracknum int) {
-		_ = c.App.PlaybackManager.PlayTrackAt(tracknum)
+		c.App.PlaybackManager.PlayTrackAt(tracknum)
 	}
 	list.OnShowArtistPage = func(artistID string) {
 		c.NavigateTo(ArtistRoute(artistID))

ui/mainwindow.go

@@ -241,13 +241,13 @@ func (m *MainWindow) SetupSystemTrayMenu(appName string, fyneApp fyne.App) {
 	if desk, ok := fyneApp.(desktop.App); ok {
 		menu := fyne.NewMenu(appName,
 			fyne.NewMenuItem(fmt.Sprintf("%s/%s", lang.L("Play"), lang.L("Pause")), func() {
-				_ = m.App.PlaybackManager.PlayPause()
+				m.App.PlaybackManager.PlayPause()
 			}),
 			fyne.NewMenuItem(lang.L("Previous"), func() {
-				_ = m.App.PlaybackManager.SeekBackOrPrevious()
+				m.App.PlaybackManager.SeekBackOrPrevious()
 			}),
 			fyne.NewMenuItem(lang.L("Next"), func() {
-				_ = m.App.PlaybackManager.SeekNext()
+				m.App.PlaybackManager.SeekNext()
 			}),
 			fyne.NewMenuItemSeparator(),
 			fyne.NewMenuItem(lang.L("Volume")+" +10%", func() {