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a5be0f0a18
We currently duplicate a lot of code to handle application/context menus and actions. The goal here is to hold the data for the menus and actions in LibWebView. Each UI will then be able to generate menus from the data on-the-fly. The structures added here are meant to support generic and checkable actions, action groups, submenus, etc.
126 lines
2.9 KiB
C++
126 lines
2.9 KiB
C++
/*
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* Copyright (c) 2025, Tim Flynn <trflynn89@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWebView/Menu.h>
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namespace WebView {
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NonnullRefPtr<Action> Action::create(Variant<StringView, String> text, ActionID id, Function<void()> action)
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{
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return adopt_ref(*new Action { move(text), id, move(action) });
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}
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NonnullRefPtr<Action> Action::create_checkable(Variant<StringView, String> text, ActionID id, Function<void()> action)
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{
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auto checkable = create(move(text), id, move(action));
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checkable->m_checked = false;
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return checkable;
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}
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void Action::set_text(Variant<StringView, String> text)
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{
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if (text.visit([&](auto const& text) { return text == this->text(); }))
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return;
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m_text = move(text);
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for (auto& observer : m_observers)
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observer->on_text_changed(*this);
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}
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void Action::set_tooltip(StringView tooltip)
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{
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if (m_tooltip == tooltip)
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return;
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m_tooltip = tooltip;
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for (auto& observer : m_observers)
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observer->on_tooltip_changed(*this);
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}
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void Action::set_enabled(bool enabled)
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{
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if (m_enabled == enabled)
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return;
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m_enabled = enabled;
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for (auto& observer : m_observers)
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observer->on_enabled_state_changed(*this);
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}
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void Action::set_visible(bool visible)
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{
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if (m_visible == visible)
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return;
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m_visible = visible;
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for (auto& observer : m_observers)
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observer->on_visible_state_changed(*this);
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}
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void Action::set_checked(bool checked)
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{
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set_checked_internal(checked);
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if (auto group = m_group.strong_ref()) {
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group->for_each_action([&](Action& action) {
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if (action.is_checkable() && &action != this)
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action.set_checked_internal(false);
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});
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}
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}
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void Action::set_checked_internal(bool checked)
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{
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VERIFY(is_checkable());
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if (m_checked == checked)
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return;
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m_checked = checked;
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for (auto& observer : m_observers)
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observer->on_checked_state_changed(*this);
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}
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void Action::add_observer(NonnullOwnPtr<Observer> observer)
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{
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observer->on_text_changed(*this);
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if (m_tooltip.has_value())
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observer->on_tooltip_changed(*this);
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observer->on_enabled_state_changed(*this);
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observer->on_visible_state_changed(*this);
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if (is_checkable())
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observer->on_checked_state_changed(*this);
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m_observers.append(move(observer));
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}
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void Action::remove_observer(Observer const& observer)
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{
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m_observers.remove_first_matching([&](auto const& candidate) {
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return candidate.ptr() == &observer;
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});
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}
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NonnullRefPtr<Menu> Menu::create(StringView name)
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{
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return adopt_ref(*new Menu { name });
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}
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NonnullRefPtr<Menu> Menu::create_group(StringView name)
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{
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auto menu = create(name);
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menu->m_is_group = true;
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return menu;
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}
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void Menu::add_action(NonnullRefPtr<Action> action)
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{
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if (m_is_group)
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action->set_group({}, *this);
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m_items.append(move(action));
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}
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}
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