flve_combo.h

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//	======================================================================
//	File:    Flve_Combo.h - Flve_Combo implementation
//	Library: flvw - FLTK Widget
//	Version: 0.1.0
//	Started: 01/12/2000
//
//	Copyright (C) 1999 Laurence Charlton
//
//	Description:
//	Flve_Combo implements combo box functionality
//	Included are select from list, text with list, incremental search
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//	======================================================================

#ifndef FLVE_COMBO_H
#define FLVE_COMBO_H

#include <FL/Fl_Widget.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Input.H>
#include <Flek/Flv_List.H>

#define flv_ctrl(x) ((x>='a' && x<='z'?x-('a'-'A'):x)|0x100)
#define flv_alt(x) ((x>='a' && x<='z'?x-('a'-'A'):x)|0x200)
#define flv_shift(x) ((x>='a' && x<='z'?x-('a'-'A'):x)|0x400)

class Flv_Combo_Item
{
public:
	Flv_Combo_Item();
	virtual ~Flv_Combo_Item();

	const char *item(void);
	void item(const char *v);
	long value(void);
	void value(long v);
protected:
	char *vitem;
	long vvalue;
};

class Flv_Combo_Items
{
public:
	Flv_Combo_Items();
	~Flv_Combo_Items();

	int count(void)										//	# of styles
		{	return vcount;	}

	void add( const char *item, long v=0L );
	void insert( int index, const char *item, long v=0L );
	void remove( int index );
	void change( int i, const char *item, long v );
	void change( int i, const char *item );
	void change( int i, long v );

	void sort(void);									//	Sort list
	void clear(void);									//	Clear list
	int index(void)										//	Get current index
		{	return vcurrent;	};
	void index(int i);								//	Set current index

	int findi( const char *v );				//	Find starting with v (-1 not found)
	int find( const char *v );				//	Find text return index (-1 not found)
	int find( long v );								//	Find value return index (-1 not found)

	Flv_Combo_Item *current(void);
	Flv_Combo_Item &operator[](int index);
private:
	void make_room_for( int n );
	Flv_Combo_Item **list;								//	Array of item pointers
	int vcount;														//	# of item pointers defined
	int vallocated;												//	# of item pointers allocated
	int vcurrent;													//	Current item index
	bool nodups;
};


class Flve_Combo : public Fl_Widget
{
public:
	Flve_Combo(int x, int y, int w, int h, const char *l );
	~Flve_Combo();
	virtual void resize(int x, int y, int w, int h);
	void list_title(const char *v);
	void open_list(void);
	const char *value();
	void value(const char *v);
	int display_rows()
		{	return vdisplay_rows;	};
	void display_rows(int v);
	int drop_key(void)
		{	return vdrop_key;	}
	int drop_key( int v )
		{	return vdrop_key = v;	}

	bool incremental_search(void)
		{	return vincremental_search;	}
	bool incremental_search(bool v)
		{	return (vincremental_search=v);	}
	bool list_only(void)
		{	return vlist_only;	}
	bool list_only(bool v);
	
	Flv_Combo_Items item;
	Fl_Window *list;
	
	  void end () {}
	  void textfont (int) {}
	  void textsize (int) {}
	  
protected:
	bool vincremental_search;
	bool vlist_only;
	int vdrop_key;
	char *vlist_title;
	int vdisplay_rows;
	int handle(int event);
	void draw(void);
	Fl_Input *input;
};
#endif