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volume.go
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volume.go
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package bar
import (
"fmt"
"github.com/diamondburned/aqours/internal/ui/content/bar/controls"
"github.com/diamondburned/aqours/internal/ui/css"
"github.com/diamondburned/gotk4/pkg/gtk/v4"
)
type VisualizerStatus int8
const (
VisualizerDisabled VisualizerStatus = iota - 1
VisualizerOnlyPlaying
VisualizerAlwaysOn
VisualizerMuted
visualizerStatusLen
)
// Visualizer code is removed. Add it back once catnip is ported to GTK4 and
// isn't garbage.
const defaultVisStatus = VisualizerDisabled
func (vs VisualizerStatus) IsPaused(paused bool) bool {
switch vs {
case VisualizerMuted, VisualizerDisabled:
return true
case VisualizerAlwaysOn:
return false
case VisualizerOnlyPlaying:
fallthrough
default:
return paused
}
}
func (vs VisualizerStatus) String() string {
switch vs {
case VisualizerDisabled:
return "Disabled"
case VisualizerMuted:
return "Muted"
case VisualizerOnlyPlaying:
return "Only when Playing"
case VisualizerAlwaysOn:
return "Always On"
default:
return fmt.Sprintf("VisualizerStatus(%d)", vs)
}
}
func (vs VisualizerStatus) cycle() VisualizerStatus {
return (vs + 1) % visualizerStatusLen
}
func (vs VisualizerStatus) icon() string {
switch vs {
case VisualizerDisabled:
return ""
case VisualizerMuted:
return "microphone-sensitivity-muted-symbolic"
case VisualizerAlwaysOn:
return "microphone-sensitivity-high-symbolic"
case VisualizerOnlyPlaying:
fallthrough
default:
return "microphone-sensitivity-medium-symbolic"
}
}
type VolumeController interface {
ParentController
SetVisualize(visualize VisualizerStatus)
}
type Volume struct {
gtk.Box
VisIcon *gtk.Image
Visualize *gtk.Button
Icon *gtk.Image
Mute *gtk.ToggleButton
Slider *gtk.Scale
volume float64
muted bool
visualize VisualizerStatus
}
var volumeSliderCSS = css.PrepareClass("volume-slider", `
.volume-slider {
margin: 0;
padding-left: 2px;
}
`)
var muteButtonCSS = css.PrepareClass("mute-button", ``)
var rightButtonCSS = css.PrepareClass("right-button", `
.right-button {
margin: 0;
color: @theme_fg_color;
opacity: 0.5;
box-shadow: none;
background: none;
}
.right-button:hover {
opacity: 1;
}
`)
var volumeCSS = css.PrepareClass("volume", "")
func NewVolume(parent VolumeController) *Volume {
visIcon := gtk.NewImage()
visualize := gtk.NewButton()
visualize.SetChild(visIcon)
rightButtonCSS(visualize)
icon := gtk.NewImage()
mute := gtk.NewToggleButton()
mute.SetChild(icon)
muteButtonCSS(mute)
rightButtonCSS(mute)
slider := gtk.NewScaleWithRange(gtk.OrientationHorizontal, 0, 100, 1)
slider.SetSizeRequest(100, -1)
slider.SetDrawValue(false)
slider.SetHExpand(true)
controls.CleanScaleCSS(slider)
volumeSliderCSS(slider)
box := gtk.NewBox(gtk.OrientationHorizontal, 0)
if defaultVisStatus != VisualizerDisabled {
box.Append(visualize)
}
box.Append(mute)
box.Append(slider)
box.SetVAlign(gtk.AlignCenter)
box.SetHAlign(gtk.AlignEnd)
box.SetHExpand(true)
volume := &Volume{
Box: *box,
VisIcon: visIcon,
Visualize: visualize,
Icon: icon,
Mute: mute,
Slider: slider,
volume: 100,
muted: false,
visualize: defaultVisStatus,
}
volumeCSS(volume)
mute.SetActive(volume.muted)
slider.SetValue(volume.volume)
volume.updateIcon()
visualize.Connect("clicked", func() {
volume.visualize = volume.visualize.cycle()
volume.updateIcon()
parent.SetVisualize(volume.visualize)
})
mute.Connect("toggled", func() {
volume.muted = mute.Active()
volume.updateIcon()
slider.SetSensitive(!volume.muted) // no sense to change volume while muted
parent.SetMute(volume.muted)
})
slider.Connect("value-changed", func() {
volume.volume = clampVolume(slider.Value())
volume.updateIcon()
parent.SetVolume(volume.volume)
})
return volume
}
// SetVolume sets the volume and triggers the callback to parent.
func (v *Volume) SetVolume(perc float64) {
v.Slider.SetValue(perc)
}
// GetVolume returns the volume.
func (v *Volume) GetVolume() float64 {
return v.volume
}
// IsMuted returns true if the volume is muted.
func (v *Volume) IsMuted() bool {
return v.muted
}
// VisualizerStatus returns the internal visualizer status.
func (v *Volume) VisualizerStatus() VisualizerStatus {
return v.visualize
}
func (v *Volume) updateIcon() {
v.updateVisualizeIcon()
v.updateVolumeIcon()
}
func (v *Volume) updateVisualizeIcon() {
v.VisIcon.SetFromIconName(v.visualize.icon())
v.Visualize.SetTooltipText(v.visualize.String())
}
func (v *Volume) updateVolumeIcon() {
var icon string
switch {
case v.volume < 1 || v.muted:
icon = "audio-volume-muted-symbolic"
case v.volume < 30:
icon = "audio-volume-low-symbolic"
case v.volume < 80:
icon = "audio-volume-medium-symbolic"
default:
icon = "audio-volume-high-symbolic"
}
v.Icon.SetFromIconName(icon)
}
func clampVolume(perc float64) float64 {
switch {
case perc < 0:
return 0
case perc > 100:
return 100
default:
return perc
}
}