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Chess+GameSettings: Optionally highlight the king when in check

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When either king is in check, its square is now highlighted with a red
background. This behavior can be toggled in GameSettings.
This commit is contained in:
Tim Ledbetter 2023-05-09 20:01:47 +01:00 • committed by Sam Atkins
parent 0c26717ba3
commit cf4a43e4c0
6 changed files with 37 additions and 2 deletions
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8
Userland/Applications/GamesSettings/ChessSettingsWidget.cpp
View file

@ -276,6 +276,12 @@ ErrorOr<void> ChessSettingsWidget::initialize()
m_preview->set_show_coordinates(checked);
};
m_highlight_checks_checkbox = find_descendant_of_type_named<GUI::CheckBox>("highlight_checks");
m_highlight_checks_checkbox->set_checked(show_coordinates, GUI::AllowCallback::No);
m_highlight_checks_checkbox->on_checked = [&](bool) {
set_modified(true);
};
TRY(m_preview->set_piece_set_name(piece_set_name));
m_preview->set_dark_square_color(board_theme.dark_square_color);
m_preview->set_light_square_color(board_theme.light_square_color);
@ -289,6 +295,7 @@ void ChessSettingsWidget::apply_settings()
Config::write_string("Games"sv, "Chess"sv, "PieceSet"sv, m_piece_set_combobox->text());
Config::write_string("Games"sv, "Chess"sv, "BoardTheme"sv, m_board_theme_combobox->text());
Config::write_bool("Games"sv, "Chess"sv, "ShowCoordinates"sv, m_show_coordinates_checkbox->is_checked());
Config::write_bool("Games"sv, "Chess"sv, "HighlightChecks"sv, m_highlight_checks_checkbox->is_checked());
}
void ChessSettingsWidget::reset_default_values()
@ -302,6 +309,7 @@ void ChessSettingsWidget::reset_default_values()
m_preview->set_dark_square_color(board_theme.dark_square_color);
m_preview->set_light_square_color(board_theme.light_square_color);
m_show_coordinates_checkbox->set_checked(true);
m_highlight_checks_checkbox->set_checked(true);
}
}

6
Userland/Applications/GamesSettings/ChessSettingsWidget.gml
View file

@ -54,5 +54,11 @@
text: "Show coordinates"
checkbox_position: "Right"
}
@GUI::CheckBox {
name: "highlight_checks"
text: "Highlight checks"
checkbox_position: "Right"
}
}
}

1
Userland/Applications/GamesSettings/ChessSettingsWidget.h
View file

@ -34,6 +34,7 @@ private:
RefPtr<GUI::ComboBox> m_piece_set_combobox;
RefPtr<GUI::ComboBox> m_board_theme_combobox;
RefPtr<GUI::CheckBox> m_show_coordinates_checkbox;
RefPtr<GUI::CheckBox> m_highlight_checks_checkbox;
};
}

19
Userland/Games/Chess/ChessWidget.cpp
View file

@ -62,8 +62,20 @@ void ChessWidget::paint_event(GUI::PaintEvent& event)
painter.fill_rect(tile_rect, (sq.is_light()) ? board_theme().light_square_color : board_theme().dark_square_color);
if (active_board.last_move().has_value() && (active_board.last_move().value().to == sq || active_board.last_move().value().from == sq)) {
painter.fill_rect(tile_rect, m_move_highlight_color);
if (active_board.last_move().has_value()) {
auto const last_move = active_board.last_move().value();
if (last_move.to == sq || last_move.from == sq)
painter.fill_rect(tile_rect, m_move_highlight_color);
auto const piece = active_board.get_piece(sq);
if (m_highlight_checks && last_move.is_check && piece.type == Chess::Type::King && piece.color == active_board.turn()) {
Array<Gfx::ColorStop, 2> colors = {
Gfx::ColorStop { .color = Color::Red, .position = 0.16f },
Gfx::ColorStop { .color = Color::Transparent, .position = .66f }
};
painter.fill_rect_with_radial_gradient(tile_rect, colors, tile_rect.center() - tile_rect.top_left(), tile_rect.size());
}
}
if (m_coordinates) {
@ -750,5 +762,8 @@ void ChessWidget::config_bool_did_change(DeprecatedString const& domain, Depreca
if (key == "ShowCoordinates"sv) {
set_coordinates(value);
update();
} else if (key == "HighlightChecks"sv) {
set_highlight_checks(value);
update();
}
}

4
Userland/Games/Chess/ChessWidget.h
View file

@ -89,6 +89,9 @@ public:
void set_coordinates(bool coordinates) { m_coordinates = coordinates; }
bool coordinates() const { return m_coordinates; }
void set_highlight_checks(bool highlight_checks) { m_highlight_checks = highlight_checks; }
bool highlight_checks() const { return m_highlight_checks; }
struct BoardMarking {
Chess::Square from { 50, 50 };
Chess::Square to { 50, 50 };
@ -146,4 +149,5 @@ private:
Vector<Chess::Square> m_available_moves;
RefPtr<Engine> m_engine;
bool m_coordinates { true };
bool m_highlight_checks { true };
};

1
Userland/Games/Chess/main.cpp
View file

@ -87,6 +87,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
widget->set_board_theme(Config::read_string("Games"sv, "Chess"sv, "BoardTheme"sv, "Beige"sv));
widget->set_coordinates(Config::read_bool("Games"sv, "Chess"sv, "ShowCoordinates"sv, true));
widget->set_show_available_moves(Config::read_bool("Games"sv, "Chess"sv, "ShowAvailableMoves"sv, true));
widget->set_highlight_checks(Config::read_bool("Games"sv, "Chess"sv, "HighlightChecks"sv, true));
auto game_menu = TRY(window->try_add_menu("&Game"_short_string));