ZacharyZhang-NY
0e21870b64
An audio player with transport, scrubber and volume; an equalizer and a visualizer; a playlist; a cassette, cartridge and record that turn while they play and hold where they stop; piano keys, a step sequencer and a tracker you can type into; a waveform, a 16:9 video frame, an image compare, a gallery, a filmstrip, a record button and an FM tuner. input exports SlideBase, the undrawn rail its sliders share; the gallery treats exported Bases as building blocks, not components. pixel's micro font gains '#' for notes like C#4. pixel.Pad and the slide rail read input only while their base is enabled, so Inert or a fresh Disabled stops a drag or a key already sent. AGENTS records why a drawn container keeps the DISABLED description: MyGo paints a disabled subtree at half opacity.
66 lines
2.1 KiB
Go
66 lines
2.1 KiB
Go
package media
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import (
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"log/slog"
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"time"
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"github.com/egoist/mygo/ui"
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"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/layout"
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"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
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)
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// Player is what an AudioPlayer holds: play, place and volume.
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type Player struct {
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Playing bool
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At time.Duration
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// Level is 0–8 volume bars.
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Level int
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Muted bool
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}
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type AudioPlayerOptions struct {
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Disabled bool
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}
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type AudioPlayerResult struct {
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Element *ui.Element
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// Changed is play, seek or volume; others are presses.
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Changed, Stopped, Previous, Next bool
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}
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// AudioPlayer shows a track over transport, scrubber and volume.
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func AudioPlayer(c *ui.Context, text string, t Track, pl *Player, o AudioPlayerOptions) AudioPlayerResult {
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k := pixel.K(c)
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var res AudioPlayerResult
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res.Element = layout.Panel(c, layout.PanelOptions{Style: pixel.Raised}, func() {
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// An LCD shows what plays, ♪ while it does.
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ui.Box(c).FillWidth().Height(k.D(2*pixel.LineHeight + 6)).Role(ui.RoleText).Label(t.Title + ", " + t.Artist).Draw(func(p *ui.Painter, r ui.Rect) {
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g := k.Canvas(p, r)
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g.Frame(0, 0, g.W, g.H, pixel.Sunken, pixel.Well)
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x := 4
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if pl.Playing {
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g.Text(x, 3, "♪", pixel.Accent, 1)
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x += 10
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}
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g.Text(x, 3, pixel.Wrap(t.Title, g.W-x-4, 1)[0], pixel.Ink, 1)
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g.Text(4, 3+pixel.LineHeight, pixel.Wrap(t.Artist, g.W-8, 1)[0], pixel.Faint, 1)
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})
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seek := Scrubber(c, k.Msg("seek"), &pl.At, t.Length, ScrubberOptions{Disabled: o.Disabled}).Changed
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ui.Row(c).Gap(k.D(8)).AlignItems(ui.Center).Children(func() {
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tr := Transport(c, text, &pl.Playing, TransportOptions{Disabled: o.Disabled})
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// Stop goes back to the start.
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if tr.Stopped {
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pl.At = 0
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}
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vol := Volume(c, k.Msg("volume"), &pl.Level, &pl.Muted, VolumeOptions{Disabled: o.Disabled}).Changed
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res.Changed = seek || tr.Changed || vol || tr.Stopped
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res.Stopped, res.Previous, res.Next = tr.Stopped, tr.Previous, tr.Next
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})
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}).Gap(k.D(4)).Role(ui.RoleGroup).Label(text)
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if res.Changed || res.Previous || res.Next {
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slog.Debug("8bit: audio player", "label", text, "track", t.Title, "playing", pl.Playing, "at", pl.At)
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}
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return res
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}
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