/*  *	HT Editor *	httree.h * *	Copyright (C) 1999-2002 Sebastian Biallas (sb@biallas.net) * *	This program is free software; you can redistribute it and/or modify *	it under the terms of the GNU General Public License version 2 as *	published by the Free Software Foundation. * *	This program 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 General Public License for more details. * *	You should have received a copy of the GNU General Public License *	along with this program; if not, write to the Free Software *	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */#ifndef HT_TREE#define HT_TREE#include "data.h"#include "htobj.h"#include "io/types.h"struct ht_treeview_data {	DDECL_PTR(void *, selected);};class ht_treeview: public ht_view {public:	int	delta_x, delta_y;	int	maxsize_x, maxsize_y;	int	foc;	void	*selected;	        void	init(Bounds *b, const char *desc);	virtual void	done();	virtual void	adjust(void *node, bool expand) = 0;	        int	create_graph(AbstractChar *s, void *node, int level, int lines, int width, int endwidth, const AbstractChar *Chars);		void	collapse_all(void *node);	virtual int	count_children(void *node);	virtual void	draw();		void	draw_r(void *node, int level, int *pos, uint32 lines);		void	expand_all(void *node);	virtual void	*get_child(void *node, int i) = 0;	virtual void	getdata(ObjectStream &s);	virtual int 	get_graph(AbstractChar *s, void *node, int level, int lines);	virtual void	*get_next_node(void *node) = 0;		void	*get_node(int i);		void	*get_node_r(void *node, int *i);	virtual void	*get_prev_node(void *node) = 0;	virtual void	*get_root() = 0;	virtual char	*get_text(void *node) = 0;	virtual void	handlemsg(htmsg *msg);	virtual bool	has_children(void *node) = 0;	virtual void	has_focused(int i);	virtual bool	is_expanded(void *node) = 0;	virtual bool	is_selected(int i);		void	scroll_to(int x, int y);	virtual void	select_node(void *node); // stub	virtual void	setdata(ObjectStream &s);		void	set_limit(int x, int y);		void	update();		void	update_r(void *node, int level, int *pos, int *x);private:		void	adjust_focus(int Focus);};struct static_node {	static_node	*next, *prev, *child;	char		*text;	bool		expanded;	Object		*data;};class ht_static_treeview: public ht_treeview {public:	static_node	*root;		void	init(Bounds *b, const char *desc);	virtual void	done();		void	*add_child(void *node, const char *text, Object *Data=NULL);		void	*add_node(static_node **node, const char *text, Object *Data=NULL);	virtual void	adjust(void *node, bool expand);	static_node 	*create_node(const char *text, static_node *prev, Object *Data=NULL);	virtual void   *get_child(void *node, int i);	virtual void	*get_next_node(void *node);	virtual void	*get_prev_node(void *node);	virtual void	*get_root();	virtual char	*get_text(void *node);	virtual bool	has_children(void *node);	virtual bool	is_expanded(void *node);	virtual void	select_node(void *node);/* new */		void	*get_cursor_node();		void	goto_node(void *node);};#endif