/*
 * This file is part of gtkD.
 *
 * gtkD is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version, with
 * some exceptions, please read the COPYING file.
 *
 * gtkD is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with gtkD; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
 */

// generated automatically - do not change
// find conversion definition on APILookup.txt
// implement new conversion functionalities on the wrap.utils pakage


module gtk.TreePath;

private import glib.ConstructionException;
private import glib.Str;
private import gobject.ObjectG;
private import gtkc.gtk;
public  import gtkc.gtktypes;


public class TreePath
{
	/** the main Gtk struct */
	protected GtkTreePath* gtkTreePath;

	/** Get the main Gtk struct */
	public GtkTreePath* getTreePathStruct()
	{
		return gtkTreePath;
	}

	/** the main Gtk struct as a void* */
	protected void* getStruct()
	{
		return cast(void*)gtkTreePath;
	}

	/**
	 * Sets our main struct and passes it to the parent class.
	 */
	public this (GtkTreePath* gtkTreePath)
	{
		this.gtkTreePath = gtkTreePath;
	}

	/**
	 * Creates a new GtkTreePath. This structure refers to a row.
	 * Params:
	 * firstRow = if true this is the string representation of this path is "0"
	 * Throws: ConstructionException GTK+ fails to create the object.
	 */
	public this (bool firstRow=false)
	{
		GtkTreePath* p;
		
		if ( firstRow )
		{
			// GtkTreePath* gtk_tree_path_new_first (void);
			p = cast(GtkTreePath*)gtk_tree_path_new_first();
		}
		else
		{
			// GtkTreePath* gtk_tree_path_new (void);
			p = cast(GtkTreePath*)gtk_tree_path_new();
		}
		
		if(p is null)
		{
			throw new ConstructionException("null returned by gtk_tree_path_new()");
		}
		
		this(p);
	}
	
	/**
	 * Creates a new path with "indices" as indices.
	 */
	this (int[] indices ... )
	{
		this(false);
		
		foreach( index; indices )
		appendIndex(index);
	}

	/**
	 */

	public static GType getType()
	{
		return gtk_tree_path_get_type();
	}

	/**
	 * Creates a new #GtkTreePath-struct initialized to @path.
	 *
	 * @path is expected to be a colon separated list of numbers.
	 * For example, the string “10:4:0” would create a path of depth
	 * 3 pointing to the 11th child of the root node, the 5th
	 * child of that 11th child, and the 1st child of that 5th child.
	 * If an invalid path string is passed in, %NULL is returned.
	 *
	 * Params:
	 *     path = The string representation of a path
	 *
	 * Return: A newly-created #GtkTreePath-struct, or %NULL
	 *
	 * Throws: ConstructionException GTK+ fails to create the object.
	 */
	public this(string path)
	{
		auto p = gtk_tree_path_new_from_string(Str.toStringz(path));
		
		if(p is null)
		{
			throw new ConstructionException("null returned by new_from_string");
		}
		
		this(cast(GtkTreePath*) p);
	}

	/**
	 * Appends a new index to a path.
	 *
	 * As a result, the depth of the path is increased.
	 *
	 * Params:
	 *     index = the index
	 */
	public void appendIndex(int index)
	{
		gtk_tree_path_append_index(gtkTreePath, index);
	}

	/**
	 * Compares two paths.
	 *
	 * If @a appears before @b in a tree, then -1 is returned.
	 * If @b appears before @a, then 1 is returned.
	 * If the two nodes are equal, then 0 is returned.
	 *
	 * Params:
	 *     b = a #GtkTreePath-struct to compare with
	 *
	 * Return: the relative positions of @a and @b
	 */
	public int compare(TreePath b)
	{
		return gtk_tree_path_compare(gtkTreePath, (b is null) ? null : b.getTreePathStruct());
	}

	/**
	 * Creates a new #GtkTreePath-struct as a copy of @path.
	 *
	 * Return: a new #GtkTreePath-struct
	 */
	public TreePath copy()
	{
		auto p = gtk_tree_path_copy(gtkTreePath);
		
		if(p is null)
		{
			return null;
		}
		
		return ObjectG.getDObject!(TreePath)(cast(GtkTreePath*) p);
	}

	/**
	 * Moves @path to point to the first child of the current path.
	 */
	public void down()
	{
		gtk_tree_path_down(gtkTreePath);
	}

	/**
	 * Frees @path. If @path is %NULL, it simply returns.
	 */
	public void free()
	{
		gtk_tree_path_free(gtkTreePath);
	}

	/**
	 * Returns the current depth of @path.
	 *
	 * Return: The depth of @path
	 */
	public int getDepth()
	{
		return gtk_tree_path_get_depth(gtkTreePath);
	}

	/**
	 * Returns the current indices of @path.
	 *
	 * This is an array of integers, each representing a node in a tree.
	 * It also returns the number of elements in the array.
	 * The array should not be freed.
	 *
	 * Params:
	 *     depth = return location for number of elements
	 *         returned in the integer array, or %NULL
	 *
	 * Return: The current
	 *     indices, or %NULL
	 *
	 * Since: 3.0
	 */
	public int[] getIndices()
	{
		int depth;
		
		auto p = gtk_tree_path_get_indices_with_depth(gtkTreePath, &depth);
		
		return p[0 .. depth];
	}

	/**
	 * Returns %TRUE if @descendant is a descendant of @path.
	 *
	 * Params:
	 *     descendant = another #GtkTreePath-struct
	 *
	 * Return: %TRUE if @descendant is contained inside @path
	 */
	public bool isAncestor(TreePath descendant)
	{
		return gtk_tree_path_is_ancestor(gtkTreePath, (descendant is null) ? null : descendant.getTreePathStruct()) != 0;
	}

	/**
	 * Returns %TRUE if @path is a descendant of @ancestor.
	 *
	 * Params:
	 *     ancestor = another #GtkTreePath-struct
	 *
	 * Return: %TRUE if @ancestor contains @path somewhere below it
	 */
	public bool isDescendant(TreePath ancestor)
	{
		return gtk_tree_path_is_descendant(gtkTreePath, (ancestor is null) ? null : ancestor.getTreePathStruct()) != 0;
	}

	/**
	 * Moves the @path to point to the next node at the current depth.
	 */
	public void next()
	{
		gtk_tree_path_next(gtkTreePath);
	}

	/**
	 * Prepends a new index to a path.
	 *
	 * As a result, the depth of the path is increased.
	 *
	 * Params:
	 *     index = the index
	 */
	public void prependIndex(int index)
	{
		gtk_tree_path_prepend_index(gtkTreePath, index);
	}

	/**
	 * Moves the @path to point to the previous node at the
	 * current depth, if it exists.
	 *
	 * Return: %TRUE if @path has a previous node, and
	 *     the move was made
	 */
	public bool prev()
	{
		return gtk_tree_path_prev(gtkTreePath) != 0;
	}

	/**
	 * Generates a string representation of the path.
	 *
	 * This string is a “:” separated list of numbers.
	 * For example, “4:10:0:3” would be an acceptable
	 * return value for this string.
	 *
	 * Return: A newly-allocated string.
	 *     Must be freed with g_free().
	 */
	public override string toString()
	{
		return Str.toString(gtk_tree_path_to_string(gtkTreePath));
	}

	/**
	 * Moves the @path to point to its parent node, if it has a parent.
	 *
	 * Return: %TRUE if @path has a parent, and the move was made
	 */
	public bool up()
	{
		return gtk_tree_path_up(gtkTreePath) != 0;
	}
}