non/FL/Fl_Flip_Button.H

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2008-03-12 21:13:47 +01:00
/*******************************************************************************/
/* Copyright (C) 2008 Jonathan Moore Liles */
/* */
/* This program is free software; you can redistribute it and/or modify it */
/* under the terms of the GNU General Public License as published by the */
/* Free Software Foundation; either version 2 of the License, or (at your */
/* option) any later version. */
/* */
/* 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; see the file COPYING. If not,write to the Free Software */
/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*******************************************************************************/
/* Simple extension of Fl_Button to support different lables for the
* two button states. Simpler than using a an Fl_Choice when all you
* need is two states. Set the label to "foo/bar" for "foo" to be the
* off label and "bar" the on. Obviously you should make sure that
* each label will fit. */
#include <FL/Fl_Button.H>
#include <stdlib.h>
#include <stdio.h>
class Fl_Flip_Button : public Fl_Button
{
char *_off;
char *_on;
public:
Fl_Flip_Button ( int X, int Y, int W, int H, const char *L = 0 ) :
Fl_Button( X, Y, W, H, 0 )
{
sscanf( L, "%a[^/]/%as", &_off, &_on );
type( FL_TOGGLE_BUTTON );
}
virtual ~Fl_Flip_Button ( )
{
if ( _off ) free( _off );
if ( _on ) free( _on );
}
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protected:
virtual void
draw ( void )
{
if ( value() )
{
if ( label() != _on )
label( _on );
}
else
if ( label() != _off )
label( _off );
draw_box( box(), x(), y(), w(), h(), value() ? selection_color() : color() );
draw_label();
}
};