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106 lines
2.2 KiB
Go
106 lines
2.2 KiB
Go
//go:build darwin
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package application
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/*
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#cgo CFLAGS: -mmacosx-version-min=10.10 -x objective-c
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#cgo LDFLAGS: -framework Cocoa
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#include "menuitem.h"
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extern void setMenuItemChecked(void*, unsigned int, bool);
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// Clear and release all menu items in the menu
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void clearMenu(void* nsMenu) {
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NSMenu *menu = (NSMenu *)nsMenu;
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[menu removeAllItems];
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}
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// Create a new NSMenu
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void* createNSMenu(char* label) {
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NSMenu *menu = [[NSMenu alloc] init];
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if( label != NULL && strlen(label) > 0 ) {
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menu.title = [NSString stringWithUTF8String:label];
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free(label);
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}
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[menu setAutoenablesItems:NO];
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return (void*)menu;
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}
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void addMenuItem(void* nsMenu, void* nsMenuItem) {
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NSMenu *menu = (NSMenu *)nsMenu;
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[menu addItem:nsMenuItem];
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}
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// add seperator to menu
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void addMenuSeparator(void* nsMenu) {
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NSMenu *menu = (NSMenu *)nsMenu;
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[menu addItem:[NSMenuItem separatorItem]];
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}
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// Set the submenu of a menu item
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void setMenuItemSubmenu(void* nsMenuItem, void* nsMenu) {
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NSMenuItem *menuItem = (NSMenuItem *)nsMenuItem;
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NSMenu *menu = (NSMenu *)nsMenu;
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[menuItem setSubmenu:menu];
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}
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// Add services menu
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static void addServicesMenu(void* menu) {
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NSMenu *nsMenu = (__bridge NSMenu *)menu;
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[NSApp setServicesMenu:nsMenu];
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}
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*/
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import "C"
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import "unsafe"
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type macosMenu struct {
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menu *Menu
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nsMenu unsafe.Pointer
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}
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func newMenuImpl(menu *Menu) *macosMenu {
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result := &macosMenu{
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menu: menu,
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}
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return result
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}
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func (m *macosMenu) update() {
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if m.nsMenu == nil {
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m.nsMenu = C.createNSMenu(C.CString(m.menu.label))
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} else {
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C.clearMenu(m.nsMenu)
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}
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m.processMenu(m.nsMenu, m.menu)
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}
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func (m *macosMenu) processMenu(parent unsafe.Pointer, menu *Menu) {
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for _, item := range menu.items {
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switch item.itemType {
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case submenu:
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submenu := item.submenu
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nsSubmenu := C.createNSMenu(C.CString(item.label))
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m.processMenu(nsSubmenu, submenu)
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menuItem := newMenuItemImpl(item)
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item.impl = menuItem
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C.addMenuItem(parent, menuItem.nsMenuItem)
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C.setMenuItemSubmenu(menuItem.nsMenuItem, nsSubmenu)
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if item.role == ServicesMenu {
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C.addServicesMenu(nsSubmenu)
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}
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case text, checkbox, radio:
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menuItem := newMenuItemImpl(item)
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item.impl = menuItem
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C.addMenuItem(parent, menuItem.nsMenuItem)
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case separator:
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C.addMenuSeparator(parent)
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}
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}
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}
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