Files
MujicaUI/tag.go
T

109 lines
2.8 KiB
Go

package mujica
import (
"fmt"
"log/slog"
"github.com/egoist/mygo/ui"
"mujicaui/internal"
"mujicaui/theme"
)
// TagOptions configure a Tag; zero is a plain label.
type TagOptions struct {
// Icon names an icon shown before the label.
Icon string
// Clickable makes the label a button reported by TagView.Clicked.
Clickable bool
// Closable adds a remove button reported by TagView.Closed.
Closable bool
Disabled bool
}
// TagView is a shown Tag and this frame's events.
type TagView struct {
Element *ui.Element
// Clicked reports the label was activated, not the remove button.
Clicked bool
// Closed reports the remove button, Delete or Backspace.
Closed bool
}
// Tag shows a label; click and remove are separate stops.
func Tag(c *ui.Context, label string, opts TagOptions) TagView {
if label == "" {
panic("mujica: Tag needs a label")
}
k := Tokens(c)
u := Density(c).Unit()
var v TagView
box := ui.Row(c).AlignItems(ui.Center).MinHeight(theme.MinHitSize).Radius(theme.ControlRadius).
Background(k.Surface).Border(theme.BorderWidth, k.Border).Shrink(0).Disabled(opts.Disabled)
v.Element = box
box.Children(func() {
var main *ui.Element
if opts.Clickable {
main = ui.ButtonBase(c).Label(label)
internal.Ring(main, k.Focus, theme.ControlRadius)
} else {
main = ui.Row(c).AlignItems(ui.Center)
}
main.Gap(u*1.5).Padding(0, u*2).FillHeight().Radius(theme.ControlRadius).TextColor(k.Text)
if opts.Clickable && !opts.Disabled {
if main.Pressed() {
main.Background(k.Selection)
} else if main.Hovered() {
main.Background(k.SurfaceHover)
}
internal.Fade(main, Motion(c, theme.StateDuration))
}
if opts.Closable {
main.Padding(0, u, 0, u*2)
}
main.Children(func() {
if opts.Icon != "" {
Icon(c, opts.Icon, IconOptions{Size: 14})
}
ui.Text(c, label).FontSize(FontSize(c, theme.BodySize-1)).SingleLine()
})
if opts.Clickable && main.Clicked() {
v.Clicked = true
}
if opts.Closable {
if opts.Clickable && !main.IsDisabled() && (main.Shortcut(0, ui.KeyDelete) || main.Shortcut(0, ui.KeyBackspace)) {
v.Closed = true
}
if tagClose(c, k, label).Clicked() {
v.Closed = true
}
}
})
if v.Clicked {
slog.Debug("mujica: tag click", "label", label)
}
if v.Closed {
slog.Debug("mujica: tag close", "label", label)
}
return v
}
func tagClose(c *ui.Context, k theme.Tokens, label string) *ui.Element {
b := ui.ButtonBase(c).Size(theme.MinHitSize, theme.MinHitSize).
Radius(theme.ControlRadius).Label(fmt.Sprintf(msg(c, "tag.remove"), label))
fg := k.TextMuted
if b.Pressed() {
b.Background(k.Selection)
fg = k.Text
} else if b.Hovered() {
b.Background(k.SurfaceHover)
fg = k.Text
}
internal.Ring(b, k.Focus, theme.ControlRadius)
internal.Fade(b, Motion(c, theme.StateDuration))
b.TextColor(fg).Children(func() {
Icon(c, "x", IconOptions{Size: 12})
})
return b
}