amuse/Editor/KeyboardWidget.hpp

106 lines
2.8 KiB
C++

#pragma once
#include <QSlider>
#include <QString>
#include <QSvgWidget>
#include <QWheelEvent>
#include <QWidget>
extern const QString NaturalKeyNames[7];
extern const QString SharpKeyNames[5];
extern const QString KeyStrings[12];
extern const int NaturalKeyNumbers[7];
extern const int SharpKeyNumbers[5];
class KeyboardWidget;
class StatusBarFocus;
class KeyboardOctave : public QSvgWidget {
Q_OBJECT
int m_octave;
QRectF m_natural[7];
QRectF m_sharp[5];
QTransform m_widgetToSvg;
public:
explicit KeyboardOctave(int octave, const QString& svgPath, QWidget* parent = Q_NULLPTR);
int getOctave() const { return m_octave; }
int getKey(const QPoint& localPos) const;
void resizeEvent(QResizeEvent* event) override;
};
class KeyboardWidget : public QWidget {
Q_OBJECT
KeyboardOctave* m_widgets[11];
StatusBarFocus* m_statusFocus = nullptr;
int m_lastOctave = -1;
int m_lastKey = -1;
bool m_holding = false;
std::pair<int, int> _getOctaveAndKey(QMouseEvent* event) const;
void _startKey(int octave, int key);
void _stopKey();
void _moveOnKey(int octave, int key);
void _pressOnKey(int octave, int key);
public:
explicit KeyboardWidget(QWidget* parent = Q_NULLPTR);
~KeyboardWidget() override;
void setStatusFocus(StatusBarFocus* statusFocus) { m_statusFocus = statusFocus; }
void mouseMoveEvent(QMouseEvent* event) override;
void mousePressEvent(QMouseEvent* event) override;
void mouseReleaseEvent(QMouseEvent* event) override;
void enterEvent(QEvent* event) override;
void leaveEvent(QEvent* event) override;
void wheelEvent(QWheelEvent* event) override;
void showEvent(QShowEvent* event) override;
signals:
void notePressed(int key);
void noteReleased();
};
class KeyboardSlider : public QSlider {
Q_OBJECT
protected:
StatusBarFocus* m_statusFocus = nullptr;
virtual QString stringOfValue(int value) const = 0;
public:
explicit KeyboardSlider(QWidget* parent = Q_NULLPTR);
~KeyboardSlider() override;
void enterEvent(QEvent* event) override;
void leaveEvent(QEvent* event) override;
void setStatusFocus(StatusBarFocus* statusFocus);
void sliderChange(SliderChange change) override;
};
class VelocitySlider : public KeyboardSlider {
Q_OBJECT
QString stringOfValue(int value) const override;
public:
explicit VelocitySlider(QWidget* parent = Q_NULLPTR);
};
class ModulationSlider : public KeyboardSlider {
Q_OBJECT
QString stringOfValue(int value) const override;
public:
explicit ModulationSlider(QWidget* parent = Q_NULLPTR);
};
class PitchSlider : public KeyboardSlider {
Q_OBJECT
QString stringOfValue(int value) const override;
public:
explicit PitchSlider(QWidget* parent = Q_NULLPTR);
void mouseReleaseEvent(QMouseEvent* ev) override;
void wheelEvent(QWheelEvent* ev) override { ev->ignore(); }
};