stuff

src/ruis/widget/button/base/selection_box.cpp

@@ -55,6 +55,17 @@ class static_provider : public selection_box::provider
 };
 } // namespace
 
+selection_box::selection_box(
+	utki::shared_ref<ruis::context> context,
+	container& selection_container,
+	parameters params
+) :
+	widget(std::move(context), {}, {}),
+	selection_container(selection_container)
+{
+	this->set_provider(params.provider);
+}
+
 selection_box::selection_box(
 	const utki::shared_ref<ruis::context>& c,
 	const tml::forest& desc,
@@ -79,7 +90,7 @@ selection_box::selection_box(
 void selection_box::set_provider(std::shared_ptr<provider> item_provider)
 {
 	if (item_provider && item_provider->dd) {
-		throw std::logic_error(
+		throw std::invalid_argument(
 			"selection_box::setItemsProvider(): given provider is already set to some selection_box"
 		);
 	}

src/ruis/widget/button/base/selection_box.hpp

@@ -85,10 +85,15 @@ class selection_box : virtual public widget
 
 		/**
 		 * @brief Notify about change of items model.
+		 * The user is supposed to invoke this function when items model change.
 		 */
 		void notify_data_set_changed();
 	};
 
+	struct parameters {
+		std::shared_ptr<selection_box::provider> provider;
+	};
+
 private:
 	std::shared_ptr<provider> item_provider;
 
@@ -105,6 +110,8 @@ class selection_box : virtual public widget
 protected:
 	selection_box(const utki::shared_ref<ruis::context>& c, const tml::forest& desc, container& selection_container);
 
+	selection_box(utki::shared_ref<ruis::context> context, container& selection_container, parameters params);
+
 public:
 	selection_box(const selection_box&) = delete;
 	selection_box& operator=(const selection_box&) = delete;

src/ruis/widget/button/drop_down_box.cpp

@@ -27,6 +27,8 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
 #include "../label/color.hpp"
 #include "../proxy/mouse_proxy.hpp"
 
+using namespace std::string_view_literals;
+
 using namespace ruis;
 
 namespace {
@@ -124,6 +126,42 @@ drop_down_box::drop_down_box(const utki::shared_ref<ruis::context>& c, const tml
 	};
 }
 
+namespace {
+std::vector<utki::shared_ref<widget>> make_drop_down_box_widget_structure(utki::shared_ref<ruis::context> c)
+{
+	// clang-format off
+	return {
+		// TODO:
+	};
+	// clang-format on
+}
+} // namespace
+
+drop_down_box::drop_down_box(utki::shared_ref<ruis::context> context, all_parameters params) :
+	widget(std::move(context), std::move(params.layout_params), std::move(params.widget_params)),
+	button(this->context, button::parameters{}),
+	nine_patch_push_button(
+		this->context, //
+		{
+			.nine_patch_button_params = std::move(params.nine_patch_button_params) //
+		},
+		make_drop_down_box_widget_structure(this->context)
+	),
+	selection_box(
+		this->context, //
+		this->get_widget_as<ruis::container>("ruis_dropdown_selection"),
+		std::move(params.selection_params)
+	)
+{
+	this->pressed_change_handler = [this](button& b) {
+		if (!b.is_pressed()) {
+			return;
+		}
+
+		this->show_drop_down_menu();
+	};
+}
+
 bool drop_down_box::on_mouse_button(const mouse_button_event& e)
 {
 	if (e.is_down) {
@@ -203,8 +241,7 @@ void drop_down_box::show_drop_down_menu()
 	};
 
 	this->current_drop_down_menu =
-		olay->show_popup(np, this->pos_in_ancestor(vector2(0), olay) + vector2(0, this->rect().d.y()))
-			.to_shared_ptr();
+		olay->show_popup(np, this->pos_in_ancestor(vector2(0), olay) + vector2(0, this->rect().d.y())).to_shared_ptr();
 }
 
 void drop_down_box::handle_mouse_button_up(bool is_first_button_up_event)
@@ -266,3 +303,22 @@ utki::shared_ref<widget> drop_down_box::wrap_item(const utki::shared_ref<widget>
 
 	return wd;
 }
+
+utki::shared_ref<ruis::drop_down_box> ruis::make::drop_down_box(
+	utki::shared_ref<ruis::context> context, //
+	drop_down_box::all_parameters params
+)
+{
+	if(!params.nine_patch_button_params.unpressed_nine_patch){
+		params.nine_patch_button_params.unpressed_nine_patch = context.get().loader.load<res::nine_patch>("ruis_npt_button_normal"sv);
+	}
+
+	if(!params.nine_patch_button_params.pressed_nine_patch){
+		params.nine_patch_button_params.pressed_nine_patch = context.get().loader.load<res::nine_patch>("ruis_npt_button_pressed"sv);
+	}
+
+	return utki::make_shared<ruis::drop_down_box>(
+		std::move(context), //
+		std::move(params)
+	);
+}

src/ruis/widget/button/drop_down_box.hpp

@@ -37,6 +37,15 @@ class drop_down_box :
 	unsigned num_mouse_buttons_pressed = 0;
 
 public:
+	struct all_parameters {
+		ruis::layout_parameters layout_params;
+		ruis::widget::parameters widget_params;
+		nine_patch_button::parameters nine_patch_button_params;
+		selection_box::parameters selection_params;
+	};
+
+	drop_down_box(utki::shared_ref<ruis::context> context, all_parameters params);
+
 	drop_down_box(const utki::shared_ref<ruis::context>& c, const tml::forest& desc);
 
 	drop_down_box(const drop_down_box&) = delete;
@@ -61,4 +70,11 @@ class drop_down_box :
 	void handle_mouse_button_up(bool is_first_button_up_event);
 };
 
+namespace make {
+utki::shared_ref<ruis::drop_down_box> drop_down_box(
+	utki::shared_ref<ruis::context> context, //
+	drop_down_box::all_parameters params
+);
+} // namespace make
+
 } // namespace ruis