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// "$Id: Symbol.h 5865 2007-06-01 13:04:19Z sanel.z $"
//
// Copyright 1998-2006 by Bill Spitzak and others.
//
// 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.
//
// Please report all bugs and problems to "fltk-bugs@fltk.org".
//
#ifndef fltk_Symbol_h
#define fltk_Symbol_h
#include "FL_API.h"
#include "Color.h"
#include "Rectangle.h"
#include "PixelType.h"
namespace fltk {
class Style;
class FL_API Symbol {
const char* name_;
Rectangle inset_;
// Forbid use of copy contructor and assign operator
Symbol & operator=(const Symbol &);
Symbol(const Symbol &);
static const char* text_;
static unsigned text_length_;
public:
Symbol(const char* name=0);
const char* name() const {return name_;}
void name(const char*);
virtual void _measure(int& w, int& h) const;
void measure(int& w, int& h) const {_measure(w,h);}
virtual void _draw(const Rectangle&) const = 0;
void draw(const Rectangle& r) const {_draw(r);}
virtual void draw_symbol_overlay(const Rectangle&) const;
void set_inset(int x,int y,int w,int h) {inset_.set(x,y,w,h);}
void set_inset(int x,int y) {inset_.set(x,y,-2*x,-2*y);}
void set_inset(int x) {inset_.set(x,x,-2*x,-2*x);}
void set_inset(const Rectangle& r) {inset_ = r;}
const Rectangle& get_inset() const {return inset_;}
int dx() const {return inset_.x();}
int dy() const {return inset_.y();}
int dw() const {return -inset_.w();} // inverted for back-compatability
int dh() const {return -inset_.h();} // inverted for back-compatability
// Hints for widgets:
virtual void inset(Rectangle& r) const;
virtual bool fills_rectangle() const;
virtual bool is_frame() const;
// hash table lookup:
static const Symbol* find(const char* name);
static const Symbol* find(const char* start, const char* end);
static const Symbol* iterate(int& index);
static void text(const char* s, unsigned n) {text_=s; text_length_=n;}
static const char* text() {return text_;}
static unsigned text_length() {return text_length_;}
virtual ~Symbol();
};
// Back-compatability constructor:
FL_API void add_symbol(const char* name, void (*drawit)(Color), int scalable);
}
#endif
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