Method TreeNodeRecursive

Src/FileDialog.cpp:893–1021

void FileDialog::TreeNodeRecursive(TreeNode* node, tStringItem* selPathItemName, bool setYScrollToSel)
{
	// There were two ways to implement hidden. Invalidate everything and enumerate the filesystem objects again (less memory)
	// or the implemented method: enumerate hidden and non-hidden always, and just display or not based on the hidden flag.
	// This way, everything will be snappy when toggling hidden on/off.
	if (!ConfigShowHidden && node->Hidden)
		return;

	bool isSelected = (SelectedNode == node);
	int flags =
		ImGuiTreeNodeFlags_OpenOnArrow | ImGuiTreeNodeFlags_OpenOnDoubleClick | ImGuiTreeNodeFlags_DefaultOpen |
		((node->Children.GetNumItems() == 0) ? ImGuiTreeNodeFlags_Leaf : 0) |
		(isSelected ? ImGuiTreeNodeFlags_Selected : 0) |
		(isSelected ? ImGuiTreeNodeFlags_AllowItemOverlap : 0);

	bool populate = false;
	bool setScroll = false;
	if (selPathItemName)
	{
		if (*selPathItemName == node->Name)
		{
			node->NextOpen = true;
			selPathItemName = selPathItemName->Next();
			SelectedNode = node;
			SelectedNode->SortingDirty = true;
			if (setYScrollToSel)
				setScroll = true;
		}
		else
		{
			selPathItemName = nullptr;
			setYScrollToSel = false;
		}
	}

	// This is the magic that's needed if you select from the right-hand panel.
	if (node->NextOpen)
	{
		ImGui::SetNextItemOpen(true);
		node->NextOpen = false;
		populate = true;
	}

	bool isOpen = ImGui::TreeNodeEx(node->Name.Chr(), flags);
	bool isClicked = ImGui::IsItemClicked();

	// If selected we need a button for adding to bookmarks.
	if (isSelected)
	{
		ImGui::SameLine();
		if (ImGui::SmallButton("  >  ##BookmarkAdd"))
			ImGui::OpenPopup("DirContextMenu");

		if (ImGui::BeginPopup("DirContextMenu")) 
		{
			if (ImGui::MenuItem("Add Bookmark"))
			{
				tList<tStringItem> bookmarkItems;