154 lines
6.0 KiB
C++
154 lines
6.0 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2022 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 7 End-User License
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Agreement and JUCE Privacy Policy.
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End User License Agreement: www.juce.com/juce-7-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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//==============================================================================
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/**
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A component that displays an MPE-compatible keyboard, whose notes can be clicked on.
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This component will mimic a physical MPE-compatible keyboard, showing the current state
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of an MPEInstrument object. When the on-screen keys are clicked on, it will play these
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notes by calling the noteOn() and noteOff() methods of its MPEInstrument object. Moving
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the mouse will update the pitchbend and timbre dimensions of the MPEInstrument.
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@see MPEInstrument
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@tags{Audio}
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*/
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class JUCE_API MPEKeyboardComponent : public KeyboardComponentBase,
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private MPEInstrument::Listener,
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private Timer
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{
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public:
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//==============================================================================
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/** Creates an MPEKeyboardComponent.
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@param instrument the MPEInstrument that this component represents
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@param orientation whether the keyboard is horizontal or vertical
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*/
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MPEKeyboardComponent (MPEInstrument& instrument, Orientation orientation);
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/** Destructor. */
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virtual ~MPEKeyboardComponent() override;
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//==============================================================================
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/** Sets the note-on velocity, or "strike", value that will be used when triggering new notes. */
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void setVelocity (float newVelocity) { velocity = jlimit (newVelocity, 0.0f, 1.0f); }
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/** Sets the pressure value that will be used for new notes. */
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void setPressure (float newPressure) { pressure = jlimit (newPressure, 0.0f, 1.0f); }
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/** Sets the note-off velocity, or "lift", value that will be used when notes are released. */
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void setLift (float newLift) { lift = jlimit (newLift, 0.0f, 1.0f); }
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/** Use this to enable the mouse source pressure to be used for the initial note-on
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velocity, or "strike", value if the mouse source supports it.
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*/
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void setUseMouseSourcePressureForStrike (bool usePressureForStrike) { useMouseSourcePressureForStrike = usePressureForStrike; }
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//==============================================================================
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/** A set of colour IDs to use to change the colour of various aspects of the keyboard.
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These constants can be used either via the Component::setColour(), or LookAndFeel::setColour()
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methods.
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@see Component::setColour, Component::findColour, LookAndFeel::setColour, LookAndFeel::findColour
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*/
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enum ColourIds
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{
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whiteNoteColourId = 0x1006000,
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blackNoteColourId = 0x1006001,
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textLabelColourId = 0x1006002,
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noteCircleFillColourId = 0x1006003,
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noteCircleOutlineColourId = 0x1006004
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};
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//==============================================================================
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/** @internal */
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void mouseDrag (const MouseEvent&) override;
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/** @internal */
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void mouseDown (const MouseEvent&) override;
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/** @internal */
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void mouseUp (const MouseEvent&) override;
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/** @internal */
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void focusLost (FocusChangeType) override;
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/** @internal */
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void colourChanged() override;
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private:
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//==========================================================================
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struct MPENoteComponent;
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//==============================================================================
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void drawKeyboardBackground (Graphics& g, Rectangle<float> area) override;
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void drawWhiteKey (int midiNoteNumber, Graphics& g, Rectangle<float> area) override;
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void drawBlackKey (int midiNoteNumber, Graphics& g, Rectangle<float> area) override;
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void updateNoteData (MPENote&);
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void noteAdded (MPENote) override;
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void notePressureChanged (MPENote) override;
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void notePitchbendChanged (MPENote) override;
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void noteTimbreChanged (MPENote) override;
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void noteReleased (MPENote) override;
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void zoneLayoutChanged() override;
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void timerCallback() override;
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//==============================================================================
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MPEValue mousePositionToPitchbend (int, Point<float>);
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MPEValue mousePositionToTimbre (Point<float>);
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void addNewNote (MPENote);
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void removeNote (MPENote);
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void handleNoteOns (std::set<MPENote>&);
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void handleNoteOffs (std::set<MPENote>&);
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void updateNoteComponentBounds (const MPENote&, MPENoteComponent&);
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void updateNoteComponents();
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void updateZoneLayout();
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//==============================================================================
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MPEInstrument& instrument;
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std::unique_ptr<MPEChannelAssigner> channelAssigner;
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CriticalSection activeNotesLock;
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std::vector<std::pair<MPENote, bool>> activeNotes;
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std::vector<std::unique_ptr<MPENoteComponent>> noteComponents;
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std::map<int, uint16> sourceIDMap;
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float velocity = 0.7f, pressure = 1.0f, lift = 0.0f;
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bool useMouseSourcePressureForStrike = false;
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int perNotePitchbendRange = 48;
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//==============================================================================
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MPEKeyboardComponent)
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};
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} // namespace juce
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