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menu.go
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menu.go
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//go:build darwin
// +build darwin
package darwin
/*
#cgo CFLAGS: -x objective-c
#cgo LDFLAGS: -framework Foundation -framework Cocoa -framework WebKit
#import <Foundation/Foundation.h>
#import "Application.h"
#import "WailsContext.h"
#include <stdlib.h>
*/
import "C"
import (
"unsafe"
"github.com/secoba/wails/v2/pkg/menu"
"github.com/secoba/wails/v2/pkg/menu/keys"
)
type NSMenu struct {
context unsafe.Pointer
nsmenu unsafe.Pointer
}
func NewNSMenu(context unsafe.Pointer, name string) *NSMenu {
c := NewCalloc()
defer c.Free()
title := c.String(name)
nsmenu := C.NewMenu(title)
return &NSMenu{
context: context,
nsmenu: nsmenu,
}
}
func (m *NSMenu) AddSubMenu(label string) *NSMenu {
result := NewNSMenu(m.context, label)
C.AppendSubmenu(m.nsmenu, result.nsmenu)
return result
}
func (m *NSMenu) AppendRole(role menu.Role) {
C.AppendRole(m.context, m.nsmenu, C.int(role))
}
type MenuItem struct {
id uint
nsmenuitem unsafe.Pointer
wailsMenuItem *menu.MenuItem
radioGroupMembers []*MenuItem
}
func (m *NSMenu) AddMenuItem(menuItem *menu.MenuItem) *MenuItem {
c := NewCalloc()
defer c.Free()
var modifier C.int
var key *C.char
if menuItem.Accelerator != nil {
modifier = C.int(keys.ToMacModifier(menuItem.Accelerator))
key = c.String(menuItem.Accelerator.Key)
}
result := &MenuItem{
wailsMenuItem: menuItem,
}
result.id = createMenuItemID(result)
result.nsmenuitem = C.AppendMenuItem(m.context, m.nsmenu, c.String(menuItem.Label), key, modifier, bool2Cint(menuItem.Disabled), bool2Cint(menuItem.Checked), C.int(result.id))
return result
}
//func (w *Window) SetApplicationMenu(menu *menu.Menu) {
//w.applicationMenu = menu
//processMenu(w, menu)
//}
func processMenu(parent *NSMenu, wailsMenu *menu.Menu) {
var radioGroups []*MenuItem
for _, menuItem := range wailsMenu.Items {
if menuItem.SubMenu != nil {
if len(radioGroups) > 0 {
processRadioGroups(radioGroups)
radioGroups = []*MenuItem{}
}
submenu := parent.AddSubMenu(menuItem.Label)
processMenu(submenu, menuItem.SubMenu)
} else {
lastMenuItem := processMenuItem(parent, menuItem)
if menuItem.Type == menu.RadioType {
radioGroups = append(radioGroups, lastMenuItem)
} else {
if len(radioGroups) > 0 {
processRadioGroups(radioGroups)
radioGroups = []*MenuItem{}
}
}
}
}
}
func processRadioGroups(groups []*MenuItem) {
for _, item := range groups {
item.radioGroupMembers = groups
}
}
func processMenuItem(parent *NSMenu, menuItem *menu.MenuItem) *MenuItem {
if menuItem.Hidden {
return nil
}
if menuItem.Role != 0 {
parent.AppendRole(menuItem.Role)
return nil
}
if menuItem.Type == menu.SeparatorType {
C.AppendSeparator(parent.nsmenu)
return nil
}
return parent.AddMenuItem(menuItem)
}
func (f *Frontend) MenuSetApplicationMenu(menu *menu.Menu) {
f.mainWindow.SetApplicationMenu(menu)
}
func (f *Frontend) MenuUpdateApplicationMenu() {
f.mainWindow.UpdateApplicationMenu()
}