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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>(move(action)));
}
void GMenu::add_separator()
{
m_items.append(make<GMenuItem>(GMenuItem::Separator));
}
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];
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;
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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