source/frontend/widgets/pixmapkeyboard.hpp

   1 /*
   2  * Pixmap Keyboard, 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 PIXMAPKEYBOARD_HPP_INCLUDED
  19 #define PIXMAPKEYBOARD_HPP_INCLUDED
  20
  21 #include "CarlaJuceUtils.hpp"
  22
  23 #include <map>
  24 #include <QtGui/QPixmap>
  25
  26 #if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
  27 # include <QtWidgets/QWidget>
  28 #else
  29 # include <QtGui/QWidget>
  30 #endif
  31
  32 class PixmapKeyboard : public QWidget
  33 {
  34     Q_OBJECT
  35
  36 public:
  37     enum Color {
  38         COLOR_CLASSIC = 0,
  39         COLOR_ORANGE  = 1
  40     };
  41
  42     enum Orientation {
  43         HORIZONTAL = 0,
  44         VERTICAL   = 1
  45     };
  46
  47     PixmapKeyboard(QWidget* parent);
  48
  49     void allNotesOff();
  50     void sendNoteOn(int note, bool sendSignal=true);
  51     void sendNoteOff(int note, bool sendSignal=true);
  52
  53     void setMode(Orientation mode, Color color=COLOR_ORANGE);
  54     void setOctaves(int octaves);
  55
  56 signals:
  57     void noteOn(int);
  58     void noteOff(int);
  59     void notesOn();
  60     void notesOff();
  61
  62 protected:
  63     void handleMousePos(const QPoint&);
  64
  65     void keyPressEvent(QKeyEvent*) override;
  66     void keyReleaseEvent(QKeyEvent*) override;
  67     void mousePressEvent(QMouseEvent*) override;
  68     void mouseMoveEvent(QMouseEvent*) override;
  69     void mouseReleaseEvent(QMouseEvent*) override;
  70     void paintEvent(QPaintEvent*) override;
  71
  72 private:
  73     QPixmap     fPixmap;
  74     Orientation fPixmapMode;
  75
  76     QString fColorStr;
  77     QFont   fFont;
  78
  79     int fOctaves;
  80     int fLastMouseNote;
  81     int fWidth;
  82     int fHeight;
  83
  84     QList<int> fEnabledKeys;
  85     std::map<int, QRectF>& fMidiMap;
  86
  87     bool _isNoteBlack(int note) const;
  88     const QRectF& _getRectFromMidiNote(int note) const;
  89
  90     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(PixmapKeyboard)
  91 };
  92
  93 #endif // PIXMAPKEYBOARD_HPP_INCLUDED