258 lines
7.0 KiB
Go
258 lines
7.0 KiB
Go
package widgets
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import (
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"strconv"
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"supersonic/ui/layouts"
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"supersonic/ui/os"
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"supersonic/ui/util"
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"time"
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"fyne.io/fyne/v2"
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"fyne.io/fyne/v2/canvas"
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"fyne.io/fyne/v2/container"
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"fyne.io/fyne/v2/driver/desktop"
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"fyne.io/fyne/v2/theme"
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"fyne.io/fyne/v2/widget"
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"github.com/dweymouth/go-subsonic/subsonic"
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)
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type TrackRow struct {
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widget.BaseWidget
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// internal state
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trackIdx int
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trackID string
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isPlaying bool
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tappedAt int64 // unixMillis
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num *widget.RichText
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name *widget.RichText
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artist *widget.RichText
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dur *widget.RichText
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OnTapped func()
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OnDoubleTapped func()
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OnTappedSecondary func(e *fyne.PointEvent, trackIdx int)
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selectionRect *canvas.Rectangle
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container *fyne.Container
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}
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func NewTrackRow(layout *layouts.ColumnsLayout) *TrackRow {
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t := &TrackRow{}
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t.ExtendBaseWidget(t)
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t.num = widget.NewRichTextWithText("")
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t.num.Segments[0].(*widget.TextSegment).Style.Alignment = fyne.TextAlignTrailing
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t.name = widget.NewRichTextWithText("")
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t.name.Wrapping = fyne.TextTruncate
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t.artist = widget.NewRichTextWithText("")
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t.artist.Wrapping = fyne.TextTruncate
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t.dur = widget.NewRichTextWithText("")
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t.dur.Segments[0].(*widget.TextSegment).Style.Alignment = fyne.TextAlignTrailing
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t.selectionRect = canvas.NewRectangle(theme.SelectionColor())
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t.selectionRect.Hidden = true
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t.container = container.NewMax(t.selectionRect,
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container.New(layout,
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t.num, t.name, t.artist, t.dur))
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return t
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}
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func (t *TrackRow) Update(tr *subsonic.Child, isPlaying bool, rowNum int) {
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if tr.ID == t.trackID && isPlaying == t.isPlaying {
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return
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}
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t.isPlaying = isPlaying
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t.trackID = tr.ID
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if rowNum < 0 {
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rowNum = tr.Track
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}
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t.num.Segments[0].(*widget.TextSegment).Text = strconv.Itoa(rowNum)
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t.name.Segments[0].(*widget.TextSegment).Text = tr.Title
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t.artist.Segments[0].(*widget.TextSegment).Text = tr.Artist
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t.dur.Segments[0].(*widget.TextSegment).Text = util.SecondsToTimeString(float64(tr.Duration))
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t.num.Segments[0].(*widget.TextSegment).Style.TextStyle = fyne.TextStyle{Bold: isPlaying}
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t.name.Segments[0].(*widget.TextSegment).Style.TextStyle = fyne.TextStyle{Bold: isPlaying, Italic: isPlaying}
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t.artist.Segments[0].(*widget.TextSegment).Style.TextStyle = fyne.TextStyle{Bold: isPlaying, Italic: isPlaying}
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t.dur.Segments[0].(*widget.TextSegment).Style.TextStyle = fyne.TextStyle{Bold: isPlaying}
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t.Refresh()
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}
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func (t *TrackRow) CreateRenderer() fyne.WidgetRenderer {
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return widget.NewSimpleRenderer(t.container)
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}
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// We implement our own double tapping so that the Tapped behavior
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// can be triggered instantly.
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func (t *TrackRow) Tapped(*fyne.PointEvent) {
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prevTap := t.tappedAt
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t.tappedAt = time.Now().UnixMilli()
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if t.tappedAt-prevTap < 300 {
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if t.OnDoubleTapped != nil {
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t.OnDoubleTapped()
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}
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} else {
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if t.OnTapped != nil {
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t.OnTapped()
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}
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}
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}
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func (t *TrackRow) TappedSecondary(e *fyne.PointEvent) {
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if t.OnTappedSecondary != nil {
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t.OnTappedSecondary(e, t.trackIdx)
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}
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}
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type Tracklist struct {
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widget.BaseWidget
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Tracks []*subsonic.Child
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AutoNumber bool
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// must be set before the context menu is shown for the first time
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AuxiliaryMenuItems []*fyne.MenuItem
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// user action callbacks
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OnPlayTrackAt func(int)
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OnPlaySelection func(tracks []*subsonic.Child)
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OnAddToQueue func(trackIDs []*subsonic.Child)
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OnAddToPlaylist func(trackIDs []string)
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selectionMgr util.ListSelectionManager
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nowPlayingIdx int
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colLayout *layouts.ColumnsLayout
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hdr *ListHeader
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list *widget.List
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ctxMenu *fyne.Menu
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container *fyne.Container
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}
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func NewTracklist(tracks []*subsonic.Child) *Tracklist {
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t := &Tracklist{Tracks: tracks, nowPlayingIdx: -1}
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t.ExtendBaseWidget(t)
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t.selectionMgr = util.NewListSelectionManager(func() int { return len(t.Tracks) })
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t.colLayout = layouts.NewColumnsLayout([]float32{35, -1, -1, 60})
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t.hdr = NewListHeader([]ListColumn{{"#", true}, {"Title", false}, {"Artist", false}, {"Time", true}}, t.colLayout)
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t.list = widget.NewList(
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func() int { return len(t.Tracks) },
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func() fyne.CanvasObject {
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tr := NewTrackRow(t.colLayout)
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tr.OnTapped = func() { t.onSelectTrack(tr.trackIdx) }
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tr.OnTappedSecondary = t.onShowContextMenu
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tr.OnDoubleTapped = func() { t.onPlayTrackAt(tr.trackIdx) }
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return tr
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},
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func(itemID widget.ListItemID, item fyne.CanvasObject) {
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tr := item.(*TrackRow)
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tr.trackIdx = itemID
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tr.selectionRect.Hidden = !t.selectionMgr.IsSelected(itemID)
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i := -1 // signal that we want to display the actual track num.
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if t.AutoNumber {
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i = itemID + 1
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}
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tr.Update(t.Tracks[itemID], itemID == t.nowPlayingIdx, i)
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})
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t.container = container.NewBorder(t.hdr, nil, nil, nil, t.list)
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return t
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}
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func (t *Tracklist) SetNowPlaying(trackID string) {
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t.nowPlayingIdx = -1
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for i, tr := range t.Tracks {
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if tr.ID == trackID {
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t.nowPlayingIdx = i
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break
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}
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}
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t.list.Refresh()
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}
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func (t *Tracklist) SelectAll() {
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t.selectionMgr.SelectAll()
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t.Refresh()
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}
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func (t *Tracklist) UnselectAll() {
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t.selectionMgr.UnselectAll()
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t.Refresh()
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}
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func (t *Tracklist) CreateRenderer() fyne.WidgetRenderer {
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return widget.NewSimpleRenderer(t.container)
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}
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func (t *Tracklist) onPlayTrackAt(idx int) {
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if t.OnPlayTrackAt != nil {
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t.OnPlayTrackAt(idx)
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}
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}
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func (t *Tracklist) onSelectTrack(idx int) {
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if d, ok := fyne.CurrentApp().Driver().(desktop.Driver); ok {
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if d.ActiveKeyModifiers()&os.ControlModifier != 0 {
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t.selectionMgr.SelectAddOrRemove(idx)
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} else if (d.ActiveKeyModifiers() & fyne.KeyModifierShift) != 0 {
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t.selectionMgr.SelectRange(idx)
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} else {
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t.selectionMgr.Select(idx)
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}
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} else {
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t.selectionMgr.Select(idx)
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}
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t.list.Refresh()
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}
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func (t *Tracklist) onShowContextMenu(e *fyne.PointEvent, trackIdx int) {
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t.selectionMgr.Select(trackIdx)
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t.Refresh()
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if t.ctxMenu == nil {
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t.ctxMenu = fyne.NewMenu("",
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fyne.NewMenuItem("Play", func() {
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if t.OnPlaySelection != nil {
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t.OnPlaySelection(t.selectedTracks())
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}
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}),
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fyne.NewMenuItem("Add to queue", func() {
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if t.OnPlaySelection != nil {
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t.OnAddToQueue(t.selectedTracks())
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}
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}),
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fyne.NewMenuItem("Add to playlist...", func() {
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if t.OnAddToPlaylist != nil {
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t.OnAddToPlaylist(t.selectedTrackIDs())
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}
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}),
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)
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if len(t.AuxiliaryMenuItems) > 0 {
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t.ctxMenu.Items = append(t.ctxMenu.Items, fyne.NewMenuItemSeparator())
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t.ctxMenu.Items = append(t.ctxMenu.Items, t.AuxiliaryMenuItems...)
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}
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}
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widget.ShowPopUpMenuAtPosition(t.ctxMenu, fyne.CurrentApp().Driver().CanvasForObject(t), e.AbsolutePosition)
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}
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func (t *Tracklist) selectedTracks() []*subsonic.Child {
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sel := t.selectionMgr.GetSelection()
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tracks := make([]*subsonic.Child, 0, len(sel))
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for _, idx := range sel {
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tracks = append(tracks, t.Tracks[idx])
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}
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return tracks
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}
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func (t *Tracklist) selectedTrackIDs() []string {
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sel := t.selectionMgr.GetSelection()
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tracks := make([]string, 0, len(sel))
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for _, idx := range sel {
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tracks = append(tracks, t.Tracks[idx].ID)
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}
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return tracks
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}
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func (t *Tracklist) SelectedTrackIndexes() []int {
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return t.selectionMgr.GetSelection()
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}
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