42 lines
1.1 KiB
Go
42 lines
1.1 KiB
Go
package overlay
|
|
|
|
import (
|
|
"log/slog"
|
|
|
|
"github.com/egoist/mygo/ui"
|
|
)
|
|
|
|
// DropdownMenuOptions configure a DropdownMenu.
|
|
type DropdownMenuOptions struct {
|
|
// Icon goes before the label.
|
|
Icon *ui.SVG
|
|
Disabled bool
|
|
// Label names an icon-only trigger for assistive technology.
|
|
Label string
|
|
}
|
|
|
|
// DropdownMenu is a button opening an in-window menu that build fills; it returns the button.
|
|
func DropdownMenu(c *ui.Context, label string, opts DropdownMenuOptions, build func(m *PopupMenu)) *ui.Element {
|
|
if build == nil {
|
|
panic("mujica: DropdownMenu needs a build function")
|
|
}
|
|
if label == "" && opts.Label == "" {
|
|
panic("mujica: DropdownMenu needs a label or Label")
|
|
}
|
|
b := ui.ButtonBase(c).Role(ui.RoleMenuButton).Disabled(opts.Disabled)
|
|
if opts.Label != "" {
|
|
b.Label(opts.Label)
|
|
}
|
|
open := ui.Local(b, "mujica.dropdown", func() bool { return false })
|
|
if opts.Disabled {
|
|
*open = false
|
|
}
|
|
if b.Clicked() || b.Shortcut(0, ui.KeyDown) {
|
|
*open = true
|
|
slog.Debug("mujica: dropdown_menu open")
|
|
}
|
|
popupMenuTrigger(c, b, label, opts.Icon, *open)
|
|
PopupMenuOpen(c, b, open, build)
|
|
return b
|
|
}
|