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- #include <LibGUI/GAction.h>
- #include <LibGUI/GMenu.h>
- #include <LibGUI/GEventLoop.h>
- #include <AK/HashMap.h>
- static HashMap<int, GMenu*>& all_menus()
- {
- static HashMap<int, GMenu*>* map;
- if (!map)
- map = new HashMap<int, GMenu*>();
- return *map;
- }
- GMenu* GMenu::from_menu_id(int menu_id)
- {
- auto it = all_menus().find(menu_id);
- if (it == all_menus().end())
- return nullptr;
- return (*it).value;
- }
- GMenu::GMenu(const String& name)
- : m_name(name)
- {
- }
- GMenu::~GMenu()
- {
- unrealize_menu();
- }
- void GMenu::add_action(Retained<GAction> action)
- {
- m_items.append(make<GMenuItem>(m_menu_id, move(action)));
- }
- void GMenu::add_separator()
- {
- m_items.append(make<GMenuItem>(m_menu_id, GMenuItem::Separator));
- }
- void GMenu::popup(const Point& screen_position)
- {
- if (!m_menu_id)
- realize_menu();
- WSAPI_ClientMessage request;
- request.type = WSAPI_ClientMessage::Type::PopupMenu;
- request.menu.menu_id = m_menu_id;
- request.menu.position = screen_position;
- GEventLoop::post_message_to_server(request);
- }
- void GMenu::dismiss()
- {
- if (!m_menu_id)
- return;
- WSAPI_ClientMessage request;
- request.type = WSAPI_ClientMessage::Type::DismissMenu;
- request.menu.menu_id = m_menu_id;
- GEventLoop::post_message_to_server(request);
- }
- int GMenu::realize_menu()
- {
- WSAPI_ClientMessage request;
- request.type = WSAPI_ClientMessage::Type::CreateMenu;
- ASSERT(m_name.length() < (ssize_t)sizeof(request.text));
- strcpy(request.text, m_name.characters());
- request.text_length = m_name.length();
- auto response = GEventLoop::current().sync_request(request, WSAPI_ServerMessage::Type::DidCreateMenu);
- m_menu_id = response.menu.menu_id;
- ASSERT(m_menu_id > 0);
- for (int i = 0; i < m_items.size(); ++i) {
- auto& item = *m_items[i];
- item.set_menu_id({ }, m_menu_id);
- item.set_identifier({ }, i);
- if (item.type() == GMenuItem::Separator) {
- WSAPI_ClientMessage request;
- request.type = WSAPI_ClientMessage::Type::AddMenuSeparator;
- request.menu.menu_id = m_menu_id;
- GEventLoop::current().sync_request(request, WSAPI_ServerMessage::Type::DidAddMenuSeparator);
- continue;
- }
- if (item.type() == GMenuItem::Action) {
- auto& action = *item.action();
- WSAPI_ClientMessage request;
- request.type = WSAPI_ClientMessage::Type::AddMenuItem;
- request.menu.menu_id = m_menu_id;
- request.menu.identifier = i;
- request.menu.enabled = action.is_enabled();
- ASSERT(action.text().length() < (ssize_t)sizeof(request.text));
- strcpy(request.text, action.text().characters());
- request.text_length = action.text().length();
- if (action.shortcut().is_valid()) {
- auto shortcut_text = action.shortcut().to_string();
- ASSERT(shortcut_text.length() < (ssize_t)sizeof(request.menu.shortcut_text));
- strcpy(request.menu.shortcut_text, shortcut_text.characters());
- request.menu.shortcut_text_length = shortcut_text.length();
- } else {
- request.menu.shortcut_text_length = 0;
- }
- GEventLoop::current().sync_request(request, WSAPI_ServerMessage::Type::DidAddMenuItem);
- }
- }
- all_menus().set(m_menu_id, this);
- return m_menu_id;
- }
- void GMenu::unrealize_menu()
- {
- if (!m_menu_id)
- return;
- all_menus().remove(m_menu_id);
- WSAPI_ClientMessage request;
- request.type = WSAPI_ClientMessage::Type::DestroyMenu;
- request.menu.menu_id = m_menu_id;
- GEventLoop::current().sync_request(request, WSAPI_ServerMessage::Type::DidDestroyMenu);
- m_menu_id = 0;
- }
- GAction* GMenu::action_at(int index)
- {
- if (index >= m_items.size())
- return nullptr;
- return m_items[index]->action();
- }
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