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#include "cru/osx/gui/Menu.h"
#import "MenuPrivate.h"
#include "KeyboardPrivate.h"
#include "cru/common/platform/osx/Convert.h"
#import <AppKit/NSApplication.h>
namespace cru::platform::gui::osx {
using platform::osx::Convert;
namespace {
std::unique_ptr<OsxMenu> application_menu = nullptr;
}
namespace details {
OsxMenuItemPrivate::OsxMenuItemPrivate(OsxMenuItem* d) {
d_ = d;
sub_menu_ = new OsxMenu(d->GetUiApplication());
sub_menu_->p_->SetParentItem(d);
handler_ = [[CruOsxMenuItemClickHandler alloc] init:this];
}
OsxMenuItemPrivate::~OsxMenuItemPrivate() { delete sub_menu_; }
void OsxMenuItemPrivate::AttachToNative(NSMenuItem* native_menu_item, bool check_submenu) {
Expects(sub_menu_);
menu_item_ = native_menu_item;
[native_menu_item setTarget:handler_];
[native_menu_item setAction:@selector(handleClick)];
if (check_submenu && [native_menu_item hasSubmenu]) {
sub_menu_->p_->AttachToNative([native_menu_item submenu]);
}
}
OsxMenuPrivate::OsxMenuPrivate(OsxMenu* d) { d_ = d; }
OsxMenuPrivate::~OsxMenuPrivate() {
for (auto item : items_) {
delete item;
}
}
void OsxMenuPrivate::AttachToNative(NSMenu* native_menu) {
menu_ = native_menu;
auto item_count = [native_menu numberOfItems];
for (int i = 0; i < item_count; i++) {
auto native_item = [native_menu itemAtIndex:i];
auto item = new OsxMenuItem(d_->GetUiApplication());
item->p_->SetParentMenu(d_);
item->p_->AttachToNative(native_item, true);
items_.push_back(item);
}
}
}
OsxMenuItem::OsxMenuItem(IUiApplication* ui_application) : OsxGuiResource(ui_application) {
p_ = new details::OsxMenuItemPrivate(this);
}
OsxMenuItem::~OsxMenuItem() { delete p_; }
String OsxMenuItem::GetTitle() { return Convert((CFStringRef)[p_->menu_item_ title]); }
void OsxMenuItem::SetTitle(String title) { [p_->menu_item_ setTitle:(NSString*)Convert(title)]; }
bool OsxMenuItem::IsEnabled() { return [p_->menu_item_ isEnabled]; }
void OsxMenuItem::SetEnabled(bool enabled) { [p_->menu_item_ setEnabled:enabled]; }
IMenu* OsxMenuItem::GetParentMenu() { return p_->parent_menu_; }
IMenu* OsxMenuItem::GetSubmenu() { return p_->sub_menu_; }
void OsxMenuItem::SetKeyboardShortcut(KeyCode key, KeyModifier modifiers) {
[p_->menu_item_ setKeyEquivalent:ConvertKeyCodeToKeyEquivalent(key)];
[p_->menu_item_ setKeyEquivalentModifierMask:ConvertKeyModifier(modifiers)];
}
void OsxMenuItem::DeleteKeyboardShortcut() {
[p_->menu_item_ setKeyEquivalent:@""];
[p_->menu_item_ setKeyEquivalentModifierMask:0];
}
void OsxMenuItem::SetOnClickHandler(std::function<void()> handler) {
p_->on_click_handler_ = std::move(handler);
}
OsxMenu* OsxMenu::CreateOrGetApplicationMenu(IUiApplication* ui_application) {
if (application_menu) {
return application_menu.get();
}
NSMenu* native_main_menu = [[NSMenu alloc] init];
[NSApp setMainMenu:native_main_menu];
[native_main_menu setAutoenablesItems:NO];
application_menu.reset(new OsxMenu(ui_application));
application_menu->p_->AttachToNative(native_main_menu);
application_menu->CreateItemAt(0);
return application_menu.get();
}
OsxMenu::OsxMenu(IUiApplication* ui_application) : OsxGuiResource(ui_application) {
p_ = new details::OsxMenuPrivate(this);
}
OsxMenu::~OsxMenu() { delete p_; }
IMenuItem* OsxMenu::GetItemAt(int index) {
if (index < 0 || index >= p_->items_.size()) {
return nullptr;
}
return p_->items_[index];
}
int OsxMenu::GetItemCount() { return p_->items_.size(); }
IMenuItem* OsxMenu::CreateItemAt(int index) {
if (index < 0) index = 0;
if (index > p_->items_.size()) index = p_->items_.size();
if (p_->parent_item_ && p_->items_.empty()) {
Expects(p_->menu_ == nullptr);
p_->menu_ = [[NSMenu alloc] init];
[p_->menu_ setAutoenablesItems:NO];
[p_->parent_item_->p_->GetNative() setSubmenu:p_->menu_];
}
auto native_item = [[NSMenuItem alloc] init];
[p_->menu_ insertItem:native_item atIndex:index];
auto item = new OsxMenuItem(GetUiApplication());
item->p_->SetParentMenu(this);
item->p_->AttachToNative(native_item, false);
p_->items_.insert(p_->items_.begin() + index, item);
return item;
}
void OsxMenu::RemoveItemAt(int index) {
if (index < 0 || index >= p_->items_.size()) {
return;
}
auto item = p_->items_[index];
[p_->menu_ removeItem:item->p_->GetNative()];
p_->items_.erase(p_->items_.begin() + index);
delete item;
if (p_->items_.empty() && p_->parent_item_) {
Expects(p_->menu_ != nullptr);
[p_->parent_item_->p_->GetNative() setSubmenu:nullptr];
p_->menu_ = nullptr;
}
}
}
@implementation CruOsxMenuItemClickHandler {
cru::platform::gui::osx::details::OsxMenuItemPrivate* p_;
}
- (id)init:(cru::platform::gui::osx::details::OsxMenuItemPrivate*)p {
p_ = p;
return self;
}
- (void)handleClick {
if (p_->GetOnClickHandler()) {
p_->GetOnClickHandler()();
}
}
@end
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