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// $Id: Flu_Combo_Box.h 672 2007-09-02 15:47:45Z Larry $
/***************************************************************
* FLU - FLTK Utility Widgets
* Copyright (C) 2002 Ohio Supercomputer Center, Ohio State University
*
* This file and its content is protected by a software license.
* You should have received a copy of this license with this file.
* If not, please contact the Ohio Supercomputer Center immediately:
* Attn: Jason Bryan Re: FLU 1224 Kinnear Rd, Columbus, Ohio 43212
*
***************************************************************/
#ifndef _FLU_COMBO_BOX_H
#define _FLU_COMBO_BOX_H
#include <FL/Fl_Double_Window.H>
#include <FL/Fl_Input.H>
#include <FL/Fl_Group.H>
#include <stdio.h>
#include "Flu_Enumerations.h"
//! This is a generic base class for implementing widgets with combo-box-like behavior (i.e. a pulldown menu where the "input" area is editable
class FLU_EXPORT Flu_Combo_Box : public Fl_Group
{
public:
//! Normal FLTK widget constructor
Flu_Combo_Box( int x, int y, int w, int h, const char *l = 0 );
//! Default destructor
~Flu_Combo_Box();
//! Get whether the input field can be edited. Default is \c true
inline bool editable() const
{ return (int)(!input.readonly()); }
//! Set whether the input field can be edited.
inline void editable( bool b )
{ input.readonly( (int)(!b) ); }
//! Get the string in the input field
inline const char* value() const
{ return input.value(); }
//! Set the string in the input field and the value of the popup box.
void value( const char *v );
//! Set the height of the popup box
inline void pop_height( int h )
{ popHeight = h; }
//! Get the height of the popup box
inline int pop_height()
{ return popHeight; }
//! Override of Fl_Group::handle()
int handle( int );
//! Override of Fl_Group::resize()
void resize( int X, int Y, int W, int H );
//! Set the function that will be called when the input area is interacted with
inline void input_callback( void (*cb)(Fl_Widget*,void*), void* cbd = NULL )
{ _inputCB = cb; _inputCBD = cbd; }
//! Publicly exposed input widget
Fl_Input input;
protected:
void (*_inputCB)(Fl_Widget*,void*);
void* _inputCBD;
virtual bool _value( const char *v ) = 0;
virtual const char* _next() = 0;
virtual const char* _previous() = 0;
virtual void _hilight( int x, int y ) = 0;
void draw();
void selected( const char *v );
void set_combo_widget( Fl_Widget *w );
uchar _valbox;
bool _pushed, _popped;
Fl_Widget *_cbox;
int popHeight;
static void input_cb( Fl_Widget*, void* v );
class FLU_EXPORT Popup : public Fl_Double_Window
{
public:
Popup( Flu_Combo_Box *b, Fl_Widget *c, int H );
~Popup();
int handle( int event );
protected:
Flu_Combo_Box *combo;
bool dragging;
const char* selected;
};
friend class Popup;
};
#endif
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