fltk/FL/Fl_Group.H
2008-04-23 15:07:13 +00:00

112 lines
3.1 KiB
C++

//
// "$Id$"
//
// Group header file for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2005 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 on the following page:
//
// http://www.fltk.org/str.php
//
#ifndef Fl_Group_H
#define Fl_Group_H
#ifndef Fl_Widget_H
#include "Fl_Widget.H"
#endif
class FL_EXPORT Fl_Group : public Fl_Widget {
Fl_Widget** array_;
Fl_Widget* savedfocus_;
Fl_Widget* resizable_;
int children_;
int *sizes_; // remembered initial sizes of children
int navigation(int);
static Fl_Group *current_;
// unimplemented copy ctor and assignment operator
Fl_Group(const Fl_Group&);
Fl_Group& operator=(const Fl_Group&);
protected:
enum { CLIP_CHILDREN = 2048 };
void clip_children(int c) { if (c) set_flag(CLIP_CHILDREN); else clear_flag(CLIP_CHILDREN); }
int clip_children() { return (flags() & CLIP_CHILDREN) != 0; }
void draw();
void draw_child(Fl_Widget&) const;
void draw_children();
void draw_outside_label(const Fl_Widget&) const ;
void update_child(Fl_Widget&) const;
int *sizes();
public:
int handle(int);
void begin();
void end();
static Fl_Group *current();
static void current(Fl_Group *g);
int children() const {return children_;}
Fl_Widget* child(int n) const {return array()[n];}
int find(const Fl_Widget*) const;
int find(const Fl_Widget& o) const {return find(&o);}
Fl_Widget* const* array() const;
void resize(int,int,int,int);
Fl_Group(int,int,int,int, const char * = 0);
virtual ~Fl_Group();
void add(Fl_Widget&);
void add(Fl_Widget* o) {add(*o);}
void insert(Fl_Widget&, int i);
void insert(Fl_Widget& o, Fl_Widget* before) {insert(o,find(before));}
void remove(Fl_Widget&);
void remove(Fl_Widget* o) {remove(*o);}
void clear();
void resizable(Fl_Widget& o) {resizable_ = &o;}
void resizable(Fl_Widget* o) {resizable_ = o;}
Fl_Widget* resizable() const {return resizable_;}
void add_resizable(Fl_Widget& o) {resizable_ = &o; add(o);}
void init_sizes();
// back compatability function:
void focus(Fl_Widget* o) {o->take_focus();}
Fl_Widget* & _ddfdesign_kludge() {return resizable_;}
void forms_end();
};
// dummy class used to end child groups in constructors for complex
// subclasses of Fl_Group:
class FL_EXPORT Fl_End {
public:
Fl_End() {Fl_Group::current()->end();}
};
#endif
//
// End of "$Id$".
//