70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
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/*******************************************************************************/
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/* Copyright (C) 2008 Jonathan Moore Liles */
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/* */
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/* This program is free software; you can redistribute it and/or modify it */
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/* under the terms of the GNU General Public License as published by the */
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/* Free Software Foundation; either version 2 of the License, or (at your */
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/* option) any later version. */
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/* */
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/* This program is distributed in the hope that it will be useful, but WITHOUT */
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/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for */
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/* more details. */
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/* */
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/* You should have received a copy of the GNU General Public License along */
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/* with This program; see the file COPYING. If not,write to the Free Software */
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/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/*******************************************************************************/
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#include <FL/Fl_Button.H>
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#include <FL/Fl.H>
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const float BLINK_FREQ = 0.5f;
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class Fl_Blinker : public Fl_Button
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{
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bool _on;
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static void
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update_cb ( void *v )
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{
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((Fl_Blinker*)v)->update_cb();
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}
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void
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update_cb ( void )
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{
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Fl::repeat_timeout( BLINK_FREQ, update_cb, this );
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_on = ! _on;
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redraw();
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}
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public:
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Fl_Blinker ( int X, int Y, int W, int H, const char *L )
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: Fl_Button( X, Y, W, H, L )
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{
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_on = false;
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Fl::add_timeout( BLINK_FREQ, update_cb, this );
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type( FL_TOGGLE_BUTTON );
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}
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virtual
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~Fl_Blinker ()
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{
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Fl::remove_timeout( update_cb, this );
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}
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virtual void
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draw ( void )
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{
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draw_box( value() ? box() : down_box(), x(), y(), w(), h(), ( value() != 0 && _on ) ? selection_color() : color() );
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draw_label();
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}
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};
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