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LibGUI: Add GUI::Menu::try_add_action() and try_add_separator()

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These are fallible variants that return ErrorOr. :^)
This commit is contained in:
Andreas Kling 2021-11-24 13:29:17 +01:00
parent 9b07e13fb6
commit 51c4de8774
2 changed files with 27 additions and 6 deletions
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30
Userland/Libraries/LibGUI/Menu.cpp
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@ -49,12 +49,21 @@ void Menu::set_icon(const Gfx::Bitmap* icon)
m_icon = icon;
}
void Menu::add_action(NonnullRefPtr<Action> action)
ErrorOr<void> Menu::try_add_action(NonnullRefPtr<Action> action)
{
auto item = make<MenuItem>(m_menu_id, move(action));
// NOTE: We grow the vector first, to get allocation failure handled immediately.
TRY(m_items.try_ensure_capacity(m_items.size() + 1));
auto item = TRY(adopt_nonnull_own_or_enomem(new (nothrow) MenuItem(m_menu_id, move(action))));
if (m_menu_id != -1)
realize_menu_item(*item, m_items.size());
m_items.append(move(item));
m_items.unchecked_append(move(item));
return {};
}
void Menu::add_action(NonnullRefPtr<Action> action)
{
MUST(try_add_action(move(action)));
}
Menu& Menu::add_submenu(const String& name)
@ -69,12 +78,21 @@ Menu& Menu::add_submenu(const String& name)
return submenu;
}
void Menu::add_separator()
ErrorOr<void> Menu::try_add_separator()
{
auto item = make<MenuItem>(m_menu_id, MenuItem::Type::Separator);
// NOTE: We grow the vector first, to get allocation failure handled immediately.
TRY(m_items.try_ensure_capacity(m_items.size() + 1));
auto item = TRY(adopt_nonnull_own_or_enomem(new (nothrow) MenuItem(m_menu_id, MenuItem::Type::Separator)));
if (m_menu_id != -1)
realize_menu_item(*item, m_items.size());
m_items.append(move(item));
m_items.unchecked_append(move(item));
return {};
}
void Menu::add_separator()
{
MUST(try_add_separator());
}
void Menu::realize_if_needed(const RefPtr<Action>& default_action)