source/frontend/widgets/pixmapdial.hpp

   1 /*
   2  * Pixmap Dial, 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 PIXMAPDIAL_HPP_INCLUDED
  19 #define PIXMAPDIAL_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/QDial>
  27 #else
  28 # include <QtGui/QDial>
  29 #endif
  30
  31 class PixmapDial : public QDial
  32 {
  33 public:
  34     enum CustomPaint {
  35         CUSTOM_PAINT_NULL      = 0,
  36         CUSTOM_PAINT_CARLA_WET = 1,
  37         CUSTOM_PAINT_CARLA_VOL = 2,
  38         CUSTOM_PAINT_CARLA_L   = 3,
  39         CUSTOM_PAINT_CARLA_R   = 4
  40     };
  41
  42     PixmapDial(QWidget* parent);
  43
  44     int  getSize() const;
  45     void setCustomPaint(CustomPaint paint);
  46     void setEnabled(bool enabled);
  47     void setLabel(QString label);
  48     void setPixmap(int pixmapId);
  49
  50     QSize minimumSizeHint() const override;
  51     QSize sizeHint() const override;
  52
  53 protected:
  54     void updateSizes();
  55
  56     void enterEvent(QEvent* event) override;
  57     void leaveEvent(QEvent* event) override;
  58     void paintEvent(QPaintEvent* event) override;
  59     void resizeEvent(QResizeEvent* event) override;
  60
  61 private:
  62     enum Orientation {
  63         HORIZONTAL = 0,
  64         VERTICAL   = 1
  65     };
  66
  67     static const unsigned short HOVER_MIN = 0;
  68     static const unsigned short HOVER_MAX = 9;
  69
  70     // -------------------------------------
  71
  72     QPixmap fPixmap;
  73     QString fPixmapNum;
  74
  75     CustomPaint fCustomPaint;
  76     Orientation fOrientation;
  77
  78     bool fHovered;
  79     unsigned short fHoverStep;
  80
  81     QString fLabel;
  82     QPointF fLabelPos;
  83     QFont   fLabelFont;
  84     int     fLabelWidth;
  85     int     fLabelHeight;
  86
  87     QLinearGradient fLabelGradient;
  88     QRectF fLabelGradientRect;
  89
  90     QColor fColor1;
  91     QColor fColor2;
  92     QColor fColorT[2];
  93
  94     int fWidth, fHeight, fSize, fCount;
  95
  96     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(PixmapDial)
  97 };
  98
  99 #endif // PIXMAPDIAL_HPP_INCLUDED