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menu.go
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menu.go
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package glfw
import (
"fyne.io/fyne/v2"
)
func buildMenuOverlay(menus *fyne.MainMenu, w *window) fyne.CanvasObject {
if len(menus.Items) == 0 {
fyne.LogError("Main menu must have at least one child menu", nil)
return nil
}
menus = addMissingQuit(menus, w)
return NewMenuBar(menus, w.canvas)
}
func addMissingQuit(menus *fyne.MainMenu, w *window) *fyne.MainMenu {
var lastItem *fyne.MenuItem
if len(menus.Items[0].Items) > 0 {
lastItem = menus.Items[0].Items[len(menus.Items[0].Items)-1]
if lastItem.Label == "Quit" {
lastItem.IsQuit = true
}
}
if lastItem == nil || !lastItem.IsQuit { // make sure the first menu always has a quit option
quitItem := fyne.NewMenuItem("Quit", nil)
quitItem.IsQuit = true
menus.Items[0].Items = append(menus.Items[0].Items, fyne.NewMenuItemSeparator(), quitItem)
}
for _, item := range menus.Items[0].Items {
if item.IsQuit && item.Action == nil {
item.Action = func() {
for _, win := range w.driver.AllWindows() {
if glWin, ok := win.(*window); ok {
glWin.closed(glWin.view())
} else {
win.Close() // for test windows
}
}
}
}
}
return menus
}