98 lines
2.5 KiB
Go
98 lines
2.5 KiB
Go
package mujica
|
|
|
|
import (
|
|
"log/slog"
|
|
|
|
"github.com/egoist/mygo/ui"
|
|
|
|
"mujicaui/internal"
|
|
"mujicaui/theme"
|
|
)
|
|
|
|
// Segment is one choice of a SegmentedControl.
|
|
type Segment struct {
|
|
// Label is required: it is shown, or with HideLabel names the icon.
|
|
Label string
|
|
Icon *ui.SVG
|
|
HideLabel bool
|
|
}
|
|
|
|
// SegmentedControlOptions configure a SegmentedControl.
|
|
type SegmentedControlOptions struct {
|
|
// Equal gives every segment the width of the widest.
|
|
Equal bool
|
|
// Label names the group for assistive technology.
|
|
Label string
|
|
Disabled bool
|
|
}
|
|
|
|
// SegmentedControl chooses one of segments into *selected; Changed reports a new choice.
|
|
func SegmentedControl(c *ui.Context, selected *int, segments []Segment, opts SegmentedControlOptions) *ui.Element {
|
|
if len(segments) == 0 {
|
|
panic("mujica: SegmentedControl needs at least one segment")
|
|
}
|
|
if *selected < 0 || *selected >= len(segments) {
|
|
panic("mujica: SegmentedControl selected index out of range")
|
|
}
|
|
k := Tokens(c)
|
|
d := Density(c)
|
|
u := d.Unit()
|
|
inset := float32(2)
|
|
prev := *selected
|
|
parts := ui.SegmentedBase(c, selected, len(segments))
|
|
track := parts.Track.Padding(inset).Gap(inset).Radius(theme.ControlRadius+inset).
|
|
Background(k.Background).Border(theme.BorderWidth, k.ControlBorder).AlignItems(ui.Stretch).
|
|
MinHeight(d.ControlHeight()).Disabled(opts.Disabled)
|
|
if opts.Equal {
|
|
track.Grid().Columns(len(segments))
|
|
}
|
|
if opts.Label != "" {
|
|
track.Label(opts.Label)
|
|
}
|
|
track.Children(func() {
|
|
for i, s := range segments {
|
|
if s.Label == "" {
|
|
panic("mujica: Segment needs a Label")
|
|
}
|
|
if s.HideLabel && s.Icon == nil {
|
|
panic("mujica: Segment with HideLabel needs an Icon")
|
|
}
|
|
on := i == *selected
|
|
seg := parts.Segment(i).Padding(0, u*3).Gap(u * 1.5).Radius(theme.ControlRadius).
|
|
MinWidth(theme.MinHitSize).Label(s.Label)
|
|
if !opts.Disabled {
|
|
seg.Cursor(ui.CursorPointer)
|
|
}
|
|
fg := k.TextMuted
|
|
switch {
|
|
case on:
|
|
seg.Background(k.Accent).FontWeight(600)
|
|
fg = k.OnAccent
|
|
case seg.Pressed():
|
|
seg.Background(k.Selection)
|
|
fg = k.Text
|
|
case seg.Hovered():
|
|
seg.Background(k.SurfaceHover)
|
|
fg = k.Text
|
|
}
|
|
internal.Ease(seg, Motion(c, theme.StateDuration), fg)
|
|
internal.Ring(seg, k.Focus, theme.ControlRadius)
|
|
if s.HideLabel {
|
|
seg.Tooltip(s.Label)
|
|
}
|
|
seg.Children(func() {
|
|
if s.Icon != nil {
|
|
ui.Icon(c, s.Icon).Size(16, 16)
|
|
}
|
|
if !s.HideLabel {
|
|
ui.Text(c, s.Label).SingleLine()
|
|
}
|
|
})
|
|
}
|
|
})
|
|
if track.Changed() {
|
|
slog.Debug("mujica: segmented control change", "from", prev, "to", *selected)
|
|
}
|
|
return track
|
|
}
|