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https://github.com/RGBCube/serenity
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Chess: Gracefully handle ChessEngine disconnections
The GUI now tracks when it becomes disconnected from ChessEngine. If not currently waiting for a move from ChessEngine, it will automatically reconnect on the next engine move. If a disconnection occurs while waiting for a move, the player is asked whether they want to try again or not.
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commit
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4 changed files with 63 additions and 20 deletions
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@ -128,21 +128,31 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
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GUI::ActionGroup engines_action_group;
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engines_action_group.set_exclusive(true);
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auto engine_submenu = TRY(engine_menu->try_add_submenu("&Engine"_short_string));
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for (auto const& engine : { "Human", "ChessEngine" }) {
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auto action = GUI::Action::create_checkable(engine, [&](auto& action) {
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if (action.text() == "Human") {
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widget->set_engine(nullptr);
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} else {
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widget->set_engine(Engine::construct(action.text()));
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widget->input_engine_move();
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}
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});
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engines_action_group.add_action(*action);
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if (engine == DeprecatedString("Human"))
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action->set_checked(true);
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auto human_engine_checkbox = GUI::Action::create_checkable("Human", [&](auto&) {
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widget->set_engine(nullptr);
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});
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human_engine_checkbox->set_checked(true);
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engines_action_group.add_action(human_engine_checkbox);
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TRY(engine_submenu->try_add_action(human_engine_checkbox));
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TRY(engine_submenu->try_add_action(*action));
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}
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auto action = GUI::Action::create_checkable("ChessEngine", [&](auto& action) {
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auto new_engine = Engine::construct(action.text());
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new_engine->on_connection_lost = [&]() {
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if (!widget->want_engine_move())
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return;
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auto rc = GUI::MessageBox::show(window, "Connection to the chess engine was lost while waiting for a move. Do you want to try again?"sv, "Chess"sv, GUI::MessageBox::Type::Question, GUI::MessageBox::InputType::YesNo);
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if (rc == GUI::Dialog::ExecResult::Yes)
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widget->input_engine_move();
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else
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human_engine_checkbox->activate();
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};
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widget->set_engine(move(new_engine));
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widget->input_engine_move();
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});
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engines_action_group.add_action(*action);
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TRY(engine_submenu->try_add_action(*action));
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auto help_menu = TRY(window->try_add_menu("&Help"_short_string));
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TRY(help_menu->try_add_action(GUI::CommonActions::make_command_palette_action(window)));
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