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WindowServer+LibGUI: Add support for nested menus

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It's now possible to add a GMenu as a submenu of another GMenu.
Simply use the GMenu::add_submenu(NonnullOwnPtr<GMenu>) API :^)

The WindowServer now keeps track of a stack of open menus rather than
just one "current menu". This code needs a bit more work, but the basic
functionality is now here!
This commit is contained in:
Andreas Kling 2019-08-28 21:11:53 +02:00
parent d3ebd8897f
commit 63e6b09816
16 changed files with 177 additions and 12 deletions
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32
Libraries/LibGUI/GMenu.cpp
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@ -39,15 +39,25 @@ void GMenu::add_action(NonnullRefPtr<GAction> action)
#endif
}
void GMenu::add_submenu(NonnullOwnPtr<GMenu> submenu)
{
m_items.append(make<GMenuItem>(m_menu_id, move(submenu)));
}
void GMenu::add_separator()
{
m_items.append(make<GMenuItem>(m_menu_id, GMenuItem::Separator));
}
void GMenu::popup(const Point& screen_position)
void GMenu::realize_if_needed()
{
if (m_menu_id == -1)
realize_menu();
}
void GMenu::popup(const Point& screen_position)
{
realize_if_needed();
WSAPI_ClientMessage request;
request.type = WSAPI_ClientMessage::Type::PopupMenu;
request.menu.menu_id = m_menu_id;
@ -87,14 +97,34 @@ int GMenu::realize_menu()
WSAPI_ClientMessage request;
request.type = WSAPI_ClientMessage::Type::AddMenuSeparator;
request.menu.menu_id = m_menu_id;
request.menu.submenu_id = -1;
GWindowServerConnection::the().sync_request(request, WSAPI_ServerMessage::Type::DidAddMenuSeparator);
continue;
}
if (item.type() == GMenuItem::Submenu) {
auto& submenu = *item.submenu();
submenu.realize_if_needed();
WSAPI_ClientMessage request;
request.type = WSAPI_ClientMessage::Type::AddMenuItem;
request.menu.menu_id = m_menu_id;
request.menu.submenu_id = submenu.menu_id();
request.menu.identifier = i;
// FIXME: It should be possible to disable a submenu.
request.menu.enabled = true;
request.menu.checkable = false;
request.menu.checked = false;
ASSERT(submenu.name().length() < (ssize_t)sizeof(request.text));
strcpy(request.text, submenu.name().characters());
request.text_length = submenu.name().length();
GWindowServerConnection::the().sync_request(request, WSAPI_ServerMessage::Type::DidAddMenuItem);
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.submenu_id = -1;
request.menu.identifier = i;
request.menu.enabled = action.is_enabled();
request.menu.checkable = action.is_checkable();