70 lines
1.2 KiB
Go
70 lines
1.2 KiB
Go
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package menu
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import (
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"github.com/diamondburned/cchat-gtk/internal/gts"
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"github.com/diamondburned/cchat-gtk/internal/ui/primitives"
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"github.com/gotk3/gotk3/gdk"
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"github.com/gotk3/gotk3/gtk"
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)
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// LazyMenu is a menu with lazy-loaded capabilities.
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type LazyMenu struct {
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items []Item
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}
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func NewLazyMenu(bindTo primitives.Connector) *LazyMenu {
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l := &LazyMenu{}
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bindTo.Connect("button-press-event", l.popup)
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return l
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}
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func (m *LazyMenu) SetItems(items []Item) {
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m.items = items
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}
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func (m *LazyMenu) AddItems(items ...Item) {
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m.items = append(m.items, items...)
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}
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func (m *LazyMenu) Reset() {
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m.items = nil
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}
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func (m *LazyMenu) popup(w gtk.IWidget, ev *gdk.Event) {
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// Is this a right click? Exit if not.
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if !gts.EventIsRightClick(ev) {
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return
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}
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// Do nothing if there are no menu items.
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if len(m.items) == 0 {
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return
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}
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var menu, _ = gtk.MenuNew()
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for _, item := range m.items {
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mb, _ := gtk.MenuItemNewWithLabel(item.Name)
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mb.Connect("activate", item.Func)
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mb.Show()
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if item.Extra != nil {
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item.Extra(mb)
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}
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menu.Append(mb)
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}
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menu.PopupAtPointer(ev)
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}
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type Item struct {
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Name string
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Func func()
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Extra func(*gtk.MenuItem)
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}
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func SimpleItem(name string, fn func()) Item {
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return Item{Name: name, Func: fn}
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}
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