remove is_collapsed argument from tree_view::provider

Author: igagis

src/ruis/widget/group/tree_view.cpp

@@ -415,18 +415,16 @@ utki::shared_ref<widget> tree_view::provider::get_widget(size_t index)
 
 	return this->get_widget(
 		utki::make_span(path), //
-		is_collapsed,
 		std::move(prefix_widgets)
 	);
 }
 
 utki::shared_ref<widget> tree_view::provider::get_widget(
 	utki::span<const size_t> index, //
-	bool is_collapsed,
 	widget_list prefix_widgets
 )
 {
-	prefix_widgets.emplace_back(this->get_widget(index, is_collapsed));
+	prefix_widgets.emplace_back(this->get_widget(index));
 
 	return make::row(
 		this->context, //

src/ruis/widget/group/tree_view.hpp

@@ -118,28 +118,22 @@ class tree_view :
 		 * @brief Create item widget.
 		 * The tree_view will call this function when it needs an item widget for the given index.
 		 * @param index - index into the data model to create an item widget for.
-		 * @param is_collapsed - whether the item is collapsed or not.
 		 * @param prefix_widgets - a list of tree_view specific widgets, i.e. colapse/expande button and path indicators.
 		 *                         To be placed inside of a row.
 		 * @return The item widget.
 		 */
 		virtual utki::shared_ref<widget> get_widget(
 			utki::span<const size_t> index, //
-			bool is_collapsed,
 			widget_list prefix_widgets
 		);
 
 		/**
 		 * @brief Create item widget.
-		 * This function is called by the get_widghet(index, is_collapsed, prefix_widgets) overload.
+		 * This function is called by the get_widghet(index, prefix_widgets) overload.
 		 * @param index - index into the data model to create an item widget for.
-		 * @param is_collapsed - whether the item is collapsed or not.
 		 * @return The item widget.
 		 */
-		virtual utki::shared_ref<widget> get_widget(
-			utki::span<const size_t> index, //
-			bool is_collapsed // TODO: is this argument needed?
-		) = 0;
+		virtual utki::shared_ref<widget> get_widget(utki::span<const size_t> index) = 0;
 
 		/**
 		 * @brief Recycle item widget.

tests/app/src/tree_view_window.cpp

@@ -138,10 +138,7 @@ class tree_view_items_provider : public ruis::tree_view::provider{
         this->selected_item.pop_back();
     }
 
-    utki::shared_ref<ruis::widget> get_widget(
-        utki::span<const size_t> path, //
-        bool is_collapsed
-    )override{
+    utki::shared_ref<ruis::widget> get_widget(utki::span<const size_t> path)override{
         ASSERT(!path.empty())
 
         auto list = &this->root;