led-indicator.h

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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2013-2022 The Octave Project Developers
//
// See the file COPYRIGHT.md in the top-level directory of this
// distribution or <https://octave.org/copyright/>.
//
// This file is part of Octave.
//
// Octave 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 3 of the License, or
// (at your option) any later version.
//
// Octave 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 Octave; see the file COPYING.  If not, see
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////////////////////////////////////////////////////////////////////////
 
#if ! defined (led_indicator_h)
#define led_indicator_h 1
 
#include <QLabel>
 
namespace octave
{
 
  class led_indicator: public QLabel
  {
    Q_OBJECT
 
  public:
 
    enum led_state
    {
      LED_STATE_NO = -1,
      LED_STATE_INACTIVE,
      LED_STATE_ACTIVE
    };
 
    led_indicator (led_state initial_state = LED_STATE_INACTIVE,
                   QWidget *parent = 0);
 
  public slots:
 
    void set_state (led_state state);
 
  private:
 
    QString style_sheet (const QColor& col);
 
  };
}
 
#endif