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-
- /*******************************************************************************/
- /* 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. */
- /*******************************************************************************/
-
- #pragma once
-
- #include <FL/Fl_Button.H>
- #include <FL/Fl.H>
-
- /* Kind of like Fl_Light_Button except that the whole thing is the
- * indicator and it can optionally blink */
-
- class Fl_Blink_Button : public Fl_Button
- {
- bool _on;
- int _blink_interval;
- bool _blinking;
- bool _ignore_input;
-
- static void
- update_cb ( void *v )
- {
- ((Fl_Blink_Button*)v)->update_cb();
- }
-
-
- float
- blink_interval_as_fraction_of_seceond ( void ) const
- {
- return (float)_blink_interval / 1000;
- }
-
- void
- update_cb ( void )
- {
- Fl::repeat_timeout( blink_interval_as_fraction_of_seceond(), update_cb, this );
-
- _on = ! _on;
-
- redraw();
- }
-
- public:
-
- enum
- {
- SLOW=500,
- MEDIUM=300,
- FAST=100,
- DEFAULT=500
- };
-
- Fl_Blink_Button ( int X, int Y, int W, int H, const char *L=0 )
- : Fl_Button( X, Y, W, H, L )
- {
- _blinking = true;
- _on = false;
- _ignore_input = false;
- _blink_interval = DEFAULT;
-
- type( FL_TOGGLE_BUTTON );
- }
-
- virtual
- ~Fl_Blink_Button ()
- {
- if ( value() )
- Fl::remove_timeout( update_cb, this );
- }
-
- void ignore_input ( bool b )
- {
- _ignore_input = b;
- }
-
- bool ignore_input ( void ) const
- {
- return _ignore_input;
- }
-
- void blink ( bool b )
- {
- _blinking = b;
- if ( ! b )
- _on = true;
- }
-
- bool blink ( void ) const
- {
- return _blinking;
- }
-
- void
- blink_interval ( float v )
- {
- _blink_interval = v * 1000;
- if ( value() )
- {
- Fl::remove_timeout( update_cb, this );
- Fl::add_timeout( blink_interval_as_fraction_of_seceond(), update_cb, this );
- }
- }
-
- virtual void value ( float v )
- {
- bool b = v;
-
- if ( b != value() )
- {
- if ( b )
- {
- if ( _blinking )
- {
- /* just to be safe.. */
- Fl::remove_timeout( update_cb, this );
- Fl::add_timeout( blink_interval_as_fraction_of_seceond(), update_cb, this );
- }
- Fl_Button::value( b );
- redraw();
- }
- else
- {
- Fl_Button::value( b );
- Fl::remove_timeout( update_cb, this );
- redraw();
- }
- }
- }
-
- virtual float value ( void ) { return (bool)Fl_Button::value(); }
-
- virtual void
- draw ( void )
- {
- draw_box( value() ? box() : down_box(), x(), y(), w(), h(),
- ( value() != 0 && _on ) ? selection_color() : color() );
- draw_label();
- }
-
- virtual int handle ( int m )
- {
- if ( _ignore_input )
- return 0;
- else
- return Fl_Button::handle( m );
- }
- };
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