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