source/frontend/widgets/ledbutton.hpp

   1 /*
   2  * LED Button, a custom Qt4 widget
   3  * Copyright (C) 2011-2013 Filipe Coelho <falktx@falktx.com>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation; either version 2 of
   8  * the License, or any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * For a full copy of the GNU General Public License see the doc/GPL.txt file.
  16  */
  17
  18 #ifndef LEDBUTTON_HPP_INCLUDED
  19 #define LEDBUTTON_HPP_INCLUDED
  20
  21 #include "CarlaJuceUtils.hpp"
  22
  23 #include <QtGui/QPixmap>
  24
  25 #if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
  26 # include <QtWidgets/QPushButton>
  27 #else
  28 # include <QtGui/QPushButton>
  29 #endif
  30
  31 class LEDButton : public QPushButton
  32 {
  33 public:
  34     enum Color {
  35         OFF    = 0,
  36         BLUE   = 1,
  37         GREEN  = 2,
  38         RED    = 3,
  39         YELLOW = 4
  40     };
  41
  42     LEDButton(QWidget* parent);
  43
  44     void setColor(Color color);
  45
  46 protected:
  47     void paintEvent(QPaintEvent* event) override;
  48
  49 private:
  50     Color   fColor;
  51     Color   fLastColor;
  52     QPixmap fPixmap;
  53     QRectF  fPixmapRect;
  54
  55     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(LEDButton)
  56 };
  57
  58 #endif // LEDBUTTON_HPP_INCLUDED