Differential D13303 Diff 45934 source/blender/editors/interface/interface_view.cc

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source/blender/editors/interface/interface_view.cc

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	};			};

	template<class T> T *get_view_from_link(ViewLink &link)			template<class T> T *get_view_from_link(ViewLink &link)
	{			{
	auto *t_uptr = std::get_if<std::unique_ptr<T>>(&link.view);			auto *t_uptr = std::get_if<std::unique_ptr<T>>(&link.view);
	return t_uptr ? t_uptr->get() : nullptr;			return t_uptr ? t_uptr->get() : nullptr;
	}			}

	/**
	* Override this for all available tree types.
	*/
	AbstractTreeView *UI_block_add_view(uiBlock &block,			AbstractTreeView *UI_block_add_view(uiBlock &block,
	StringRef idname,			StringRef idname,
	std::unique_ptr<AbstractTreeView> tree_view)			std::unique_ptr<AbstractTreeView> tree_view)
	{			{
	ViewLink *view_link = OBJECT_GUARDED_NEW(ViewLink);			ViewLink *view_link = OBJECT_GUARDED_NEW(ViewLink);
	BLI_addtail(&block.views, view_link);			BLI_addtail(&block.views, view_link);

	view_link->view = std::move(tree_view);			view_link->view = std::move(tree_view);
	view_link->idname = idname;			view_link->idname = idname;

	return get_view_from_link<AbstractTreeView>(*view_link);			return get_view_from_link<AbstractTreeView>(*view_link);
	}			}

	void ui_block_free_views(uiBlock *block)			void ui_block_free_views(uiBlock *block)
	{			{
	LISTBASE_FOREACH_MUTABLE (ViewLink *, link, &block->views) {			LISTBASE_FOREACH_MUTABLE (ViewLink *, link, &block->views) {
	OBJECT_GUARDED_DELETE(link, ViewLink);			OBJECT_GUARDED_DELETE(link, ViewLink);
	}			}
	}			}

	/**
	* \param x, y: Coordinate to find a tree-row item at, in window space.
	*/
	uiTreeViewItemHandle UI_block_tree_view_find_item_at(const ARegion region, const int xy[2])			uiTreeViewItemHandle UI_block_tree_view_find_item_at(const ARegion region, const int xy[2])
	{			{
	uiButTreeRow tree_row_but = (uiButTreeRow )ui_tree_row_find_mouse_over(region, xy);			uiButTreeRow tree_row_but = (uiButTreeRow )ui_tree_row_find_mouse_over(region, xy);
	if (!tree_row_but) {			if (!tree_row_but) {
	return nullptr;			return nullptr;
	}			}

	return tree_row_but->tree_item;			return tree_row_but->tree_item;
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