mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-10 23:44:24 +00:00
Cleaned up MidiKeyboardComponent, changing it to use floating point coords
This commit is contained in:
jules
parent
82d160150c
commit
3dcd918ddd
2 changed files with 197 additions and 247 deletions
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@ -27,17 +27,20 @@
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namespace juce
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{
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class MidiKeyboardUpDownButton : public Button
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static const uint8 whiteNotes[] = { 0, 2, 4, 5, 7, 9, 11 };
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static const uint8 blackNotes[] = { 1, 3, 6, 8, 10 };
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struct MidiKeyboardComponent::UpDownButton : public Button
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{
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public:
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MidiKeyboardUpDownButton (MidiKeyboardComponent& comp, const int d)
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: Button (String()), owner (comp), delta (d)
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UpDownButton (MidiKeyboardComponent& c, int d)
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: Button ({}), owner (c), delta (d)
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{
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}
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void clicked() override
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{
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int note = owner.getLowestVisibleKey();
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auto note = owner.getLowestVisibleKey();
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if (delta < 0)
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note = (note - 1) / 12;
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@ -58,37 +61,21 @@ private:
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MidiKeyboardComponent& owner;
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const int delta;
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JUCE_DECLARE_NON_COPYABLE (MidiKeyboardUpDownButton)
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JUCE_DECLARE_NON_COPYABLE (UpDownButton)
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};
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//==============================================================================
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MidiKeyboardComponent::MidiKeyboardComponent (MidiKeyboardState& s, Orientation o)
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: state (s),
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blackNoteLengthRatio (0.7f),
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xOffset (0),
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keyWidth (16.0f),
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orientation (o),
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midiChannel (1),
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midiInChannelMask (0xffff),
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velocity (1.0f),
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shouldCheckState (false),
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rangeStart (0),
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rangeEnd (127),
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firstKey (12 * 4.0f),
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canScroll (true),
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useMousePositionForVelocity (true),
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shouldCheckMousePos (false),
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keyMappingOctave (6),
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octaveNumForMiddleC (3)
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: state (s), orientation (o)
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{
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addChildComponent (scrollDown = new MidiKeyboardUpDownButton (*this, -1));
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addChildComponent (scrollUp = new MidiKeyboardUpDownButton (*this, 1));
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addChildComponent (scrollDown = new UpDownButton (*this, -1));
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addChildComponent (scrollUp = new UpDownButton (*this, 1));
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// initialise with a default set of qwerty key-mappings..
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const char* const keymap = "awsedftgyhujkolp;";
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int note = 0;
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for (int i = 0; keymap[i] != 0; ++i)
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setKeyPressForNote (KeyPress (keymap[i], 0, 0), i);
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for (char c : "awsedftgyhujkolp;")
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setKeyPressForNote (KeyPress (c, 0, 0), note++);
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mouseOverNotes.insertMultiple (0, -1, 32);
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mouseDownNotes.insertMultiple (0, -1, 32);
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@ -107,7 +94,7 @@ MidiKeyboardComponent::~MidiKeyboardComponent()
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}
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//==============================================================================
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void MidiKeyboardComponent::setKeyWidth (const float widthInPixels)
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void MidiKeyboardComponent::setKeyWidth (float widthInPixels)
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{
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jassert (widthInPixels > 0);
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@ -118,7 +105,7 @@ void MidiKeyboardComponent::setKeyWidth (const float widthInPixels)
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}
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}
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void MidiKeyboardComponent::setOrientation (const Orientation newOrientation)
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void MidiKeyboardComponent::setOrientation (Orientation newOrientation)
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{
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if (orientation != newOrientation)
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{
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@ -127,8 +114,7 @@ void MidiKeyboardComponent::setOrientation (const Orientation newOrientation)
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}
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}
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void MidiKeyboardComponent::setAvailableRange (const int lowestNote,
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const int highestNote)
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void MidiKeyboardComponent::setAvailableRange (int lowestNote, int highestNote)
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{
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jassert (lowestNote >= 0 && lowestNote <= 127);
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jassert (highestNote >= 0 && highestNote <= 127);
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@ -154,7 +140,7 @@ void MidiKeyboardComponent::setLowestVisibleKeyFloat (float noteNumber)
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if (noteNumber != firstKey)
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{
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const bool hasMoved = (((int) firstKey) != (int) noteNumber);
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bool hasMoved = (((int) firstKey) != (int) noteNumber);
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firstKey = noteNumber;
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if (hasMoved)
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@ -164,7 +150,7 @@ void MidiKeyboardComponent::setLowestVisibleKeyFloat (float noteNumber)
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}
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}
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void MidiKeyboardComponent::setScrollButtonsVisible (const bool newCanScroll)
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void MidiKeyboardComponent::setScrollButtonsVisible (bool newCanScroll)
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{
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if (canScroll != newCanScroll)
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{
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@ -180,7 +166,7 @@ void MidiKeyboardComponent::colourChanged()
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}
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//==============================================================================
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void MidiKeyboardComponent::setMidiChannel (const int midiChannelNumber)
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void MidiKeyboardComponent::setMidiChannel (int midiChannelNumber)
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{
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jassert (midiChannelNumber > 0 && midiChannelNumber <= 16);
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@ -191,20 +177,20 @@ void MidiKeyboardComponent::setMidiChannel (const int midiChannelNumber)
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}
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}
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void MidiKeyboardComponent::setMidiChannelsToDisplay (const int midiChannelMask)
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void MidiKeyboardComponent::setMidiChannelsToDisplay (int midiChannelMask)
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{
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midiInChannelMask = midiChannelMask;
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shouldCheckState = true;
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}
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void MidiKeyboardComponent::setVelocity (const float v, const bool useMousePosition)
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void MidiKeyboardComponent::setVelocity (float v, bool useMousePosition)
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{
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velocity = jlimit (0.0f, 1.0f, v);
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useMousePositionForVelocity = useMousePosition;
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}
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//==============================================================================
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void MidiKeyboardComponent::getKeyPosition (int midiNoteNumber, const float keyWidth_, int& x, int& w) const
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Range<float> MidiKeyboardComponent::getKeyPosition (int midiNoteNumber, float targetKeyWidth) const
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{
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jassert (midiNoteNumber >= 0 && midiNoteNumber < 128);
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@ -218,39 +204,39 @@ void MidiKeyboardComponent::getKeyPosition (int midiNoteNumber, const float keyW
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5.0f, 6 - blackNoteWidth * 0.3f,
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6.0f };
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const int octave = midiNoteNumber / 12;
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const int note = midiNoteNumber % 12;
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auto octave = midiNoteNumber / 12;
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auto note = midiNoteNumber % 12;
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x = roundToInt (octave * 7.0f * keyWidth_ + notePos [note] * keyWidth_);
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w = roundToInt (MidiMessage::isMidiNoteBlack (note) ? blackNoteWidth * keyWidth_ : keyWidth_);
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auto start = octave * 7.0f * targetKeyWidth + notePos[note] * targetKeyWidth;
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auto width = MidiMessage::isMidiNoteBlack (note) ? blackNoteWidth * targetKeyWidth : targetKeyWidth;
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return { start, start + width };
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}
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void MidiKeyboardComponent::getKeyPos (int midiNoteNumber, int& x, int& w) const
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Range<float> MidiKeyboardComponent::getKeyPos (int midiNoteNumber) const
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{
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getKeyPosition (midiNoteNumber, keyWidth, x, w);
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int rx, rw;
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getKeyPosition (rangeStart, keyWidth, rx, rw);
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x -= xOffset + rx;
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return getKeyPosition (midiNoteNumber, keyWidth)
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- xOffset
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- getKeyPosition (rangeStart, keyWidth).getStart();
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}
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Rectangle<int> MidiKeyboardComponent::getRectangleForKey (const int note) const
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Rectangle<float> MidiKeyboardComponent::getRectangleForKey (int note) const
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{
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jassert (note >= rangeStart && note <= rangeEnd);
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int x, w;
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getKeyPos (note, x, w);
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auto pos = getKeyPos (note);
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auto x = pos.getStart();
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auto w = pos.getLength();
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if (MidiMessage::isMidiNoteBlack (note))
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{
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const int blackNoteLength = getBlackNoteLength();
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auto blackNoteLength = getBlackNoteLength();
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switch (orientation)
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{
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case horizontalKeyboard: return Rectangle<int> (x, 0, w, blackNoteLength);
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case verticalKeyboardFacingLeft: return Rectangle<int> (getWidth() - blackNoteLength, x, blackNoteLength, w);
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case verticalKeyboardFacingRight: return Rectangle<int> (0, getHeight() - x - w, blackNoteLength, w);
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case horizontalKeyboard: return { x, 0, w, blackNoteLength };
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case verticalKeyboardFacingLeft: return { getWidth() - blackNoteLength, x, blackNoteLength, w };
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case verticalKeyboardFacingRight: return { 0, getHeight() - x - w, blackNoteLength, w };
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default: jassertfalse; break;
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}
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}
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@ -258,62 +244,55 @@ Rectangle<int> MidiKeyboardComponent::getRectangleForKey (const int note) const
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{
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switch (orientation)
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{
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case horizontalKeyboard: return Rectangle<int> (x, 0, w, getHeight());
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case verticalKeyboardFacingLeft: return Rectangle<int> (0, x, getWidth(), w);
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case verticalKeyboardFacingRight: return Rectangle<int> (0, getHeight() - x - w, getWidth(), w);
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case horizontalKeyboard: return { x, 0, w, (float) getHeight() };
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case verticalKeyboardFacingLeft: return { 0, x, (float) getWidth(), w };
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case verticalKeyboardFacingRight: return { 0, getHeight() - x - w, (float) getWidth(), w };
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default: jassertfalse; break;
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}
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}
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return Rectangle<int>();
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return {};
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}
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int MidiKeyboardComponent::getKeyStartPosition (const int midiNoteNumber) const
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float MidiKeyboardComponent::getKeyStartPosition (int midiNoteNumber) const
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{
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int x, w;
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getKeyPos (midiNoteNumber, x, w);
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return x;
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return getKeyPos (midiNoteNumber).getStart();
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}
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int MidiKeyboardComponent::getTotalKeyboardWidth() const noexcept
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float MidiKeyboardComponent::getTotalKeyboardWidth() const noexcept
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{
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int x, w;
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getKeyPos (rangeEnd, x, w);
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return x + w;
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return getKeyPos (rangeEnd).getEnd();
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}
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int MidiKeyboardComponent::getNoteAtPosition (Point<int> p)
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int MidiKeyboardComponent::getNoteAtPosition (Point<float> p)
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{
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float v;
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return xyToNote (p, v);
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}
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const uint8 MidiKeyboardComponent::whiteNotes[] = { 0, 2, 4, 5, 7, 9, 11 };
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const uint8 MidiKeyboardComponent::blackNotes[] = { 1, 3, 6, 8, 10 };
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int MidiKeyboardComponent::xyToNote (Point<int> pos, float& mousePositionVelocity)
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int MidiKeyboardComponent::xyToNote (Point<float> pos, float& mousePositionVelocity)
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{
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if (! reallyContains (pos, false))
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if (! reallyContains (pos.toInt(), false))
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return -1;
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Point<int> p (pos);
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auto p = pos;
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if (orientation != horizontalKeyboard)
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{
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p = Point<int> (p.y, p.x);
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p = { p.y, p.x };
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if (orientation == verticalKeyboardFacingLeft)
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p = Point<int> (p.x, getWidth() - p.y);
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p = { p.x, getWidth() - p.y };
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else
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p = Point<int> (getHeight() - p.x, p.y);
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p = { getHeight() - p.x, p.y };
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}
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return remappedXYToNote (p + Point<int> (xOffset, 0), mousePositionVelocity);
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return remappedXYToNote (p + Point<float> (xOffset, 0), mousePositionVelocity);
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}
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int MidiKeyboardComponent::remappedXYToNote (Point<int> pos, float& mousePositionVelocity) const
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int MidiKeyboardComponent::remappedXYToNote (Point<float> pos, float& mousePositionVelocity) const
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{
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const int blackNoteLength = getBlackNoteLength();
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auto blackNoteLength = getBlackNoteLength();
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if (pos.getY() < blackNoteLength)
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{
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@ -321,17 +300,13 @@ int MidiKeyboardComponent::remappedXYToNote (Point<int> pos, float& mousePositio
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{
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for (int i = 0; i < 5; ++i)
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{
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const int note = octaveStart + blackNotes [i];
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auto note = octaveStart + blackNotes[i];
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if (note >= rangeStart && note <= rangeEnd)
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{
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int kx, kw;
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getKeyPos (note, kx, kw);
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kx += xOffset;
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if (pos.x >= kx && pos.x < kx + kw)
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if (getKeyPos (note).contains (pos.x - xOffset))
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{
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mousePositionVelocity = pos.y / (float) blackNoteLength;
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mousePositionVelocity = pos.y / blackNoteLength;
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return note;
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}
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}
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@ -343,17 +318,13 @@ int MidiKeyboardComponent::remappedXYToNote (Point<int> pos, float& mousePositio
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{
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for (int i = 0; i < 7; ++i)
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{
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const int note = octaveStart + whiteNotes [i];
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auto note = octaveStart + whiteNotes[i];
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if (note >= rangeStart && note <= rangeEnd)
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{
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int kx, kw;
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getKeyPos (note, kx, kw);
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kx += xOffset;
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if (pos.x >= kx && pos.x < kx + kw)
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if (getKeyPos (note).contains (pos.x - xOffset))
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{
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const int whiteNoteLength = (orientation == horizontalKeyboard) ? getHeight() : getWidth();
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auto whiteNoteLength = (orientation == horizontalKeyboard) ? getHeight() : getWidth();
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mousePositionVelocity = pos.y / (float) whiteNoteLength;
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return note;
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}
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@ -366,39 +337,35 @@ int MidiKeyboardComponent::remappedXYToNote (Point<int> pos, float& mousePositio
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}
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//==============================================================================
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void MidiKeyboardComponent::repaintNote (const int noteNum)
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void MidiKeyboardComponent::repaintNote (int noteNum)
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{
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if (noteNum >= rangeStart && noteNum <= rangeEnd)
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repaint (getRectangleForKey (noteNum));
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repaint (getRectangleForKey (noteNum).getSmallestIntegerContainer());
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}
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void MidiKeyboardComponent::paint (Graphics& g)
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{
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g.fillAll (findColour (whiteNoteColourId));
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const Colour lineColour (findColour (keySeparatorLineColourId));
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const Colour textColour (findColour (textLabelColourId));
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auto lineColour = findColour (keySeparatorLineColourId);
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auto textColour = findColour (textLabelColourId);
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for (int octave = 0; octave < 128; octave += 12)
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{
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for (int white = 0; white < 7; ++white)
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{
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const int noteNum = octave + whiteNotes [white];
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auto noteNum = octave + whiteNotes[white];
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if (noteNum >= rangeStart && noteNum <= rangeEnd)
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{
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Rectangle<int> pos = getRectangleForKey (noteNum);
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drawWhiteNote (noteNum, g, pos.getX(), pos.getY(), pos.getWidth(), pos.getHeight(),
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drawWhiteNote (noteNum, g, getRectangleForKey (noteNum),
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state.isNoteOnForChannels (midiInChannelMask, noteNum),
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mouseOverNotes.contains (noteNum), lineColour, textColour);
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}
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}
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}
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float x1 = 0.0f, y1 = 0.0f, x2 = 0.0f, y2 = 0.0f;
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const int width = getWidth();
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const int height = getHeight();
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auto width = getWidth();
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auto height = getHeight();
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if (orientation == verticalKeyboardFacingLeft)
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{
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@ -410,11 +377,8 @@ void MidiKeyboardComponent::paint (Graphics& g)
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else
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y2 = 5.0f;
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int x, w;
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getKeyPos (rangeEnd, x, w);
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x += w;
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const Colour shadowCol (findColour (shadowColourId));
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auto x = getKeyPos (rangeEnd).getEnd();
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auto shadowCol = findColour (shadowColourId);
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if (! shadowCol.isTransparent())
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{
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@ -422,9 +386,9 @@ void MidiKeyboardComponent::paint (Graphics& g)
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switch (orientation)
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{
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case horizontalKeyboard: g.fillRect (0, 0, x, 5); break;
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case verticalKeyboardFacingLeft: g.fillRect (width - 5, 0, 5, x); break;
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case verticalKeyboardFacingRight: g.fillRect (0, 0, 5, x); break;
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case horizontalKeyboard: g.fillRect (0.0f, 0.0f, x, 5.0f); break;
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case verticalKeyboardFacingLeft: g.fillRect (width - 5.0f, 0.0f, 5.0f, x); break;
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case verticalKeyboardFacingRight: g.fillRect (0.0f, 0.0f, 5.0f, x); break;
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default: break;
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}
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}
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@ -435,61 +399,54 @@ void MidiKeyboardComponent::paint (Graphics& g)
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switch (orientation)
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{
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case horizontalKeyboard: g.fillRect (0, height - 1, x, 1); break;
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case verticalKeyboardFacingLeft: g.fillRect (0, 0, 1, x); break;
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case verticalKeyboardFacingRight: g.fillRect (width - 1, 0, 1, x); break;
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case horizontalKeyboard: g.fillRect (0.0f, height - 1.0f, x, 1.0f); break;
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case verticalKeyboardFacingLeft: g.fillRect (0.0f, 0.0f, 1.0f, x); break;
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case verticalKeyboardFacingRight: g.fillRect (width - 1.0f, 0.0f, 1.0f, x); break;
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default: break;
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}
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}
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const Colour blackNoteColour (findColour (blackNoteColourId));
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auto blackNoteColour = findColour (blackNoteColourId);
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for (int octave = 0; octave < 128; octave += 12)
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{
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for (int black = 0; black < 5; ++black)
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{
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const int noteNum = octave + blackNotes [black];
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auto noteNum = octave + blackNotes[black];
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||||
if (noteNum >= rangeStart && noteNum <= rangeEnd)
|
||||
{
|
||||
Rectangle<int> pos = getRectangleForKey (noteNum);
|
||||
|
||||
drawBlackNote (noteNum, g, pos.getX(), pos.getY(), pos.getWidth(), pos.getHeight(),
|
||||
drawBlackNote (noteNum, g, getRectangleForKey (noteNum),
|
||||
state.isNoteOnForChannels (midiInChannelMask, noteNum),
|
||||
mouseOverNotes.contains (noteNum), blackNoteColour);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void MidiKeyboardComponent::drawWhiteNote (int midiNoteNumber,
|
||||
Graphics& g, int x, int y, int w, int h,
|
||||
bool isDown, bool isOver,
|
||||
const Colour& lineColour,
|
||||
const Colour& textColour)
|
||||
void MidiKeyboardComponent::drawWhiteNote (int midiNoteNumber, Graphics& g, Rectangle<float> area,
|
||||
bool isDown, bool isOver, Colour lineColour, Colour textColour)
|
||||
{
|
||||
Colour c (Colours::transparentWhite);
|
||||
auto c = Colours::transparentWhite;
|
||||
|
||||
if (isDown) c = findColour (keyDownOverlayColourId);
|
||||
if (isOver) c = c.overlaidWith (findColour (mouseOverKeyOverlayColourId));
|
||||
|
||||
g.setColour (c);
|
||||
g.fillRect (x, y, w, h);
|
||||
g.fillRect (area);
|
||||
|
||||
const String text (getWhiteNoteText (midiNoteNumber));
|
||||
auto text = getWhiteNoteText (midiNoteNumber);
|
||||
|
||||
if (text.isNotEmpty())
|
||||
{
|
||||
const float fontHeight = jmin (12.0f, keyWidth * 0.9f);
|
||||
auto fontHeight = jmin (12.0f, keyWidth * 0.9f);
|
||||
|
||||
g.setColour (textColour);
|
||||
g.setFont (Font (fontHeight).withHorizontalScale (0.8f));
|
||||
|
||||
switch (orientation)
|
||||
{
|
||||
case horizontalKeyboard: g.drawText (text, x + 1, y, w - 1, h - 2, Justification::centredBottom, false); break;
|
||||
case verticalKeyboardFacingLeft: g.drawText (text, x + 2, y + 2, w - 4, h - 4, Justification::centredLeft, false); break;
|
||||
case verticalKeyboardFacingRight: g.drawText (text, x + 2, y + 2, w - 4, h - 4, Justification::centredRight, false); break;
|
||||
case horizontalKeyboard: g.drawText (text, area.withTrimmedLeft (1.0f).withTrimmedBottom (2.0f), Justification::centredBottom, false); break;
|
||||
case verticalKeyboardFacingLeft: g.drawText (text, area.reduced (2.0f), Justification::centredLeft, false); break;
|
||||
case verticalKeyboardFacingRight: g.drawText (text, area.reduced (2.0f), Justification::centredRight, false); break;
|
||||
default: break;
|
||||
}
|
||||
}
|
||||
|
|
@ -500,9 +457,9 @@ void MidiKeyboardComponent::drawWhiteNote (int midiNoteNumber,
|
|||
|
||||
switch (orientation)
|
||||
{
|
||||
case horizontalKeyboard: g.fillRect (x, y, 1, h); break;
|
||||
case verticalKeyboardFacingLeft: g.fillRect (x, y, w, 1); break;
|
||||
case verticalKeyboardFacingRight: g.fillRect (x, y + h - 1, w, 1); break;
|
||||
case horizontalKeyboard: g.fillRect (area.withWidth (1.0f)); break;
|
||||
case verticalKeyboardFacingLeft: g.fillRect (area.withHeight (1.0f)); break;
|
||||
case verticalKeyboardFacingRight: g.fillRect (area.removeFromBottom (1.0f)); break;
|
||||
default: break;
|
||||
}
|
||||
|
||||
|
|
@ -510,55 +467,56 @@ void MidiKeyboardComponent::drawWhiteNote (int midiNoteNumber,
|
|||
{
|
||||
switch (orientation)
|
||||
{
|
||||
case horizontalKeyboard: g.fillRect (x + w, y, 1, h); break;
|
||||
case verticalKeyboardFacingLeft: g.fillRect (x, y + h, w, 1); break;
|
||||
case verticalKeyboardFacingRight: g.fillRect (x, y - 1, w, 1); break;
|
||||
case horizontalKeyboard: g.fillRect (area.expanded (1.0f, 0).removeFromRight (1.0f)); break;
|
||||
case verticalKeyboardFacingLeft: g.fillRect (area.expanded (0, 1.0f).removeFromBottom (1.0f)); break;
|
||||
case verticalKeyboardFacingRight: g.fillRect (area.expanded (0, 1.0f).removeFromTop (1.0f)); break;
|
||||
default: break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void MidiKeyboardComponent::drawBlackNote (int /*midiNoteNumber*/,
|
||||
Graphics& g, int x, int y, int w, int h,
|
||||
bool isDown, bool isOver,
|
||||
const Colour& noteFillColour)
|
||||
void MidiKeyboardComponent::drawBlackNote (int /*midiNoteNumber*/, Graphics& g, Rectangle<float> area,
|
||||
bool isDown, bool isOver, Colour noteFillColour)
|
||||
{
|
||||
Colour c (noteFillColour);
|
||||
auto c = noteFillColour;
|
||||
|
||||
if (isDown) c = c.overlaidWith (findColour (keyDownOverlayColourId));
|
||||
if (isOver) c = c.overlaidWith (findColour (mouseOverKeyOverlayColourId));
|
||||
|
||||
g.setColour (c);
|
||||
g.fillRect (x, y, w, h);
|
||||
g.fillRect (area);
|
||||
|
||||
if (isDown)
|
||||
{
|
||||
g.setColour (noteFillColour);
|
||||
g.drawRect (x, y, w, h);
|
||||
g.drawRect (area);
|
||||
}
|
||||
else
|
||||
{
|
||||
g.setColour (c.brighter());
|
||||
const int xIndent = jmax (1, jmin (w, h) / 8);
|
||||
auto sideIndent = 1.0f / 8.0f;
|
||||
auto topIndent = 7.0f / 8.0f;
|
||||
auto w = area.getWidth();
|
||||
auto h = area.getHeight();
|
||||
|
||||
switch (orientation)
|
||||
{
|
||||
case horizontalKeyboard: g.fillRect (x + xIndent, y, w - xIndent * 2, 7 * h / 8); break;
|
||||
case verticalKeyboardFacingLeft: g.fillRect (x + w / 8, y + xIndent, w - w / 8, h - xIndent * 2); break;
|
||||
case verticalKeyboardFacingRight: g.fillRect (x, y + xIndent, 7 * w / 8, h - xIndent * 2); break;
|
||||
case horizontalKeyboard: g.fillRect (area.reduced (w * sideIndent, 0).removeFromTop (h * topIndent)); break;
|
||||
case verticalKeyboardFacingLeft: g.fillRect (area.reduced (0, h * sideIndent).removeFromRight (w * topIndent)); break;
|
||||
case verticalKeyboardFacingRight: g.fillRect (area.reduced (0, h * sideIndent).removeFromLeft (w * topIndent)); break;
|
||||
default: break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void MidiKeyboardComponent::setOctaveForMiddleC (const int octaveNum)
|
||||
void MidiKeyboardComponent::setOctaveForMiddleC (int octaveNum)
|
||||
{
|
||||
octaveNumForMiddleC = octaveNum;
|
||||
repaint();
|
||||
}
|
||||
|
||||
String MidiKeyboardComponent::getWhiteNoteText (const int midiNoteNumber)
|
||||
String MidiKeyboardComponent::getWhiteNoteText (int midiNoteNumber)
|
||||
{
|
||||
if (midiNoteNumber % 12 == 0)
|
||||
return MidiMessage::getMidiNoteName (midiNoteNumber, true, true, octaveNumForMiddleC);
|
||||
|
|
@ -567,20 +525,20 @@ String MidiKeyboardComponent::getWhiteNoteText (const int midiNoteNumber)
|
|||
}
|
||||
|
||||
void MidiKeyboardComponent::drawUpDownButton (Graphics& g, int w, int h,
|
||||
const bool mouseOver,
|
||||
const bool buttonDown,
|
||||
const bool movesOctavesUp)
|
||||
bool mouseOver,
|
||||
bool buttonDown,
|
||||
bool movesOctavesUp)
|
||||
{
|
||||
g.fillAll (findColour (upDownButtonBackgroundColourId));
|
||||
|
||||
float angle;
|
||||
float angle = 0;
|
||||
|
||||
switch (orientation)
|
||||
{
|
||||
case horizontalKeyboard: angle = movesOctavesUp ? 0.0f : 0.5f; break;
|
||||
case verticalKeyboardFacingLeft: angle = movesOctavesUp ? 0.25f : 0.75f; break;
|
||||
case verticalKeyboardFacingRight: angle = movesOctavesUp ? 0.75f : 0.25f; break;
|
||||
default: jassertfalse; angle = 0; break;
|
||||
default: jassertfalse; break;
|
||||
}
|
||||
|
||||
Path path;
|
||||
|
|
@ -596,6 +554,7 @@ void MidiKeyboardComponent::drawUpDownButton (Graphics& g, int w, int h,
|
|||
void MidiKeyboardComponent::setBlackNoteLengthProportion (float ratio) noexcept
|
||||
{
|
||||
jassert (ratio >= 0.0f && ratio <= 1.0f);
|
||||
|
||||
if (blackNoteLengthRatio != ratio)
|
||||
{
|
||||
blackNoteLengthRatio = ratio;
|
||||
|
|
@ -603,32 +562,27 @@ void MidiKeyboardComponent::setBlackNoteLengthProportion (float ratio) noexcept
|
|||
}
|
||||
}
|
||||
|
||||
int MidiKeyboardComponent::getBlackNoteLength() const noexcept
|
||||
float MidiKeyboardComponent::getBlackNoteLength() const noexcept
|
||||
{
|
||||
const int whiteNoteLength = orientation == horizontalKeyboard ? getHeight() : getWidth();
|
||||
|
||||
return roundToInt (whiteNoteLength * blackNoteLengthRatio);
|
||||
auto whiteNoteLength = orientation == horizontalKeyboard ? getHeight() : getWidth();
|
||||
return whiteNoteLength * blackNoteLengthRatio;
|
||||
}
|
||||
|
||||
void MidiKeyboardComponent::resized()
|
||||
{
|
||||
int w = getWidth();
|
||||
int h = getHeight();
|
||||
auto w = getWidth();
|
||||
auto h = getHeight();
|
||||
|
||||
if (w > 0 && h > 0)
|
||||
{
|
||||
if (orientation != horizontalKeyboard)
|
||||
std::swap (w, h);
|
||||
|
||||
int kx2, kw2;
|
||||
getKeyPos (rangeEnd, kx2, kw2);
|
||||
|
||||
kx2 += kw2;
|
||||
auto kx2 = getKeyPos (rangeEnd).getEnd();
|
||||
|
||||
if ((int) firstKey != rangeStart)
|
||||
{
|
||||
int kx1, kw1;
|
||||
getKeyPos (rangeStart, kx1, kw1);
|
||||
auto kx1 = getKeyPos (rangeStart).getStart();
|
||||
|
||||
if (kx2 - kx1 <= w)
|
||||
{
|
||||
|
|
@ -644,8 +598,8 @@ void MidiKeyboardComponent::resized()
|
|||
|
||||
if (canScroll)
|
||||
{
|
||||
const int scrollButtonW = jmin (12, w / 2);
|
||||
Rectangle<int> r (getLocalBounds());
|
||||
auto scrollButtonW = jmin (12, w / 2);
|
||||
auto r = getLocalBounds();
|
||||
|
||||
if (orientation == horizontalKeyboard)
|
||||
{
|
||||
|
|
@ -663,13 +617,11 @@ void MidiKeyboardComponent::resized()
|
|||
scrollUp ->setBounds (r.removeFromTop (scrollButtonW));
|
||||
}
|
||||
|
||||
int endOfLastKey, kw;
|
||||
getKeyPos (rangeEnd, endOfLastKey, kw);
|
||||
endOfLastKey += kw;
|
||||
auto endOfLastKey = getKeyPos (rangeEnd).getEnd();
|
||||
|
||||
float mousePositionVelocity;
|
||||
const int spaceAvailable = w;
|
||||
const int lastStartKey = remappedXYToNote (Point<int> (endOfLastKey - spaceAvailable, 0), mousePositionVelocity) + 1;
|
||||
auto spaceAvailable = w;
|
||||
auto lastStartKey = remappedXYToNote ({ endOfLastKey - spaceAvailable, 0 }, mousePositionVelocity) + 1;
|
||||
|
||||
if (lastStartKey >= 0 && ((int) firstKey) > lastStartKey)
|
||||
{
|
||||
|
|
@ -677,17 +629,14 @@ void MidiKeyboardComponent::resized()
|
|||
sendChangeMessage();
|
||||
}
|
||||
|
||||
int newOffset = 0;
|
||||
getKeyPos ((int) firstKey, newOffset, kw);
|
||||
xOffset = newOffset;
|
||||
xOffset = getKeyPos ((int) firstKey).getStart();
|
||||
}
|
||||
else
|
||||
{
|
||||
firstKey = (float) rangeStart;
|
||||
}
|
||||
|
||||
getKeyPos (rangeEnd, kx2, kw2);
|
||||
scrollUp->setVisible (canScroll && kx2 > w);
|
||||
scrollUp->setVisible (canScroll && getKeyPos (rangeEnd).getStart() > w);
|
||||
repaint();
|
||||
}
|
||||
}
|
||||
|
|
@ -717,7 +666,7 @@ void MidiKeyboardComponent::resetAnyKeysInUse()
|
|||
|
||||
for (int i = mouseDownNotes.size(); --i >= 0;)
|
||||
{
|
||||
const int noteDown = mouseDownNotes.getUnchecked(i);
|
||||
auto noteDown = mouseDownNotes.getUnchecked(i);
|
||||
|
||||
if (noteDown >= 0)
|
||||
{
|
||||
|
|
@ -731,16 +680,16 @@ void MidiKeyboardComponent::resetAnyKeysInUse()
|
|||
|
||||
void MidiKeyboardComponent::updateNoteUnderMouse (const MouseEvent& e, bool isDown)
|
||||
{
|
||||
updateNoteUnderMouse (e.getEventRelativeTo (this).getPosition(), isDown, e.source.getIndex());
|
||||
updateNoteUnderMouse (e.getEventRelativeTo (this).position, isDown, e.source.getIndex());
|
||||
}
|
||||
|
||||
void MidiKeyboardComponent::updateNoteUnderMouse (Point<int> pos, bool isDown, int fingerNum)
|
||||
void MidiKeyboardComponent::updateNoteUnderMouse (Point<float> pos, bool isDown, int fingerNum)
|
||||
{
|
||||
float mousePositionVelocity = 0.0f;
|
||||
const int newNote = xyToNote (pos, mousePositionVelocity);
|
||||
const int oldNote = mouseOverNotes.getUnchecked (fingerNum);
|
||||
const int oldNoteDown = mouseDownNotes.getUnchecked (fingerNum);
|
||||
const float eventVelocity = useMousePositionForVelocity ? mousePositionVelocity * velocity : 1.0f;
|
||||
auto newNote = xyToNote (pos, mousePositionVelocity);
|
||||
auto oldNote = mouseOverNotes.getUnchecked (fingerNum);
|
||||
auto oldNoteDown = mouseDownNotes.getUnchecked (fingerNum);
|
||||
auto eventVelocity = useMousePositionForVelocity ? mousePositionVelocity * velocity : 1.0f;
|
||||
|
||||
if (oldNote != newNote)
|
||||
{
|
||||
|
|
@ -786,7 +735,7 @@ void MidiKeyboardComponent::mouseMove (const MouseEvent& e)
|
|||
void MidiKeyboardComponent::mouseDrag (const MouseEvent& e)
|
||||
{
|
||||
float mousePositionVelocity;
|
||||
const int newNote = xyToNote (e.getPosition(), mousePositionVelocity);
|
||||
auto newNote = xyToNote (e.position, mousePositionVelocity);
|
||||
|
||||
if (newNote >= 0)
|
||||
mouseDraggedToKey (newNote, e);
|
||||
|
|
@ -801,7 +750,7 @@ void MidiKeyboardComponent::mouseUpOnKey (int, const MouseEvent&) {}
|
|||
void MidiKeyboardComponent::mouseDown (const MouseEvent& e)
|
||||
{
|
||||
float mousePositionVelocity;
|
||||
const int newNote = xyToNote (e.getPosition(), mousePositionVelocity);
|
||||
auto newNote = xyToNote (e.position, mousePositionVelocity);
|
||||
|
||||
if (newNote >= 0 && mouseDownOnKey (newNote, e))
|
||||
{
|
||||
|
|
@ -816,7 +765,8 @@ void MidiKeyboardComponent::mouseUp (const MouseEvent& e)
|
|||
shouldCheckMousePos = false;
|
||||
|
||||
float mousePositionVelocity;
|
||||
const int note = xyToNote (e.getPosition(), mousePositionVelocity);
|
||||
auto note = xyToNote (e.position, mousePositionVelocity);
|
||||
|
||||
if (note >= 0)
|
||||
mouseUpOnKey (note, e);
|
||||
}
|
||||
|
|
@ -833,9 +783,9 @@ void MidiKeyboardComponent::mouseExit (const MouseEvent& e)
|
|||
|
||||
void MidiKeyboardComponent::mouseWheelMove (const MouseEvent&, const MouseWheelDetails& wheel)
|
||||
{
|
||||
const float amount = (orientation == horizontalKeyboard && wheel.deltaX != 0)
|
||||
? wheel.deltaX : (orientation == verticalKeyboardFacingLeft ? wheel.deltaY
|
||||
: -wheel.deltaY);
|
||||
auto amount = (orientation == horizontalKeyboard && wheel.deltaX != 0)
|
||||
? wheel.deltaX : (orientation == verticalKeyboardFacingLeft ? wheel.deltaY
|
||||
: -wheel.deltaY);
|
||||
|
||||
setLowestVisibleKeyFloat (firstKey - amount * keyWidth);
|
||||
}
|
||||
|
|
@ -848,9 +798,11 @@ void MidiKeyboardComponent::timerCallback()
|
|||
|
||||
for (int i = rangeStart; i <= rangeEnd; ++i)
|
||||
{
|
||||
if (keysCurrentlyDrawnDown[i] != state.isNoteOnForChannels (midiInChannelMask, i))
|
||||
bool isOn = state.isNoteOnForChannels (midiInChannelMask, i);
|
||||
|
||||
if (keysCurrentlyDrawnDown[i] != isOn)
|
||||
{
|
||||
keysCurrentlyDrawnDown.setBit (i, state.isNoteOnForChannels (midiInChannelMask, i));
|
||||
keysCurrentlyDrawnDown.setBit (i, isOn);
|
||||
repaintNote (i);
|
||||
}
|
||||
}
|
||||
|
|
@ -860,7 +812,7 @@ void MidiKeyboardComponent::timerCallback()
|
|||
{
|
||||
for (auto& ms : Desktop::getInstance().getMouseSources())
|
||||
if (ms.getComponentUnderMouse() == this || isParentOf (ms.getComponentUnderMouse()))
|
||||
updateNoteUnderMouse (getLocalPoint (nullptr, ms.getScreenPosition()).roundToInt(), ms.isDragging(), ms.getIndex());
|
||||
updateNoteUnderMouse (getLocalPoint (nullptr, ms.getScreenPosition()), ms.isDragging(), ms.getIndex());
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -880,7 +832,7 @@ void MidiKeyboardComponent::setKeyPressForNote (const KeyPress& key, int midiNot
|
|||
keyPresses.add (key);
|
||||
}
|
||||
|
||||
void MidiKeyboardComponent::removeKeyPressForNote (const int midiNoteOffsetFromC)
|
||||
void MidiKeyboardComponent::removeKeyPressForNote (int midiNoteOffsetFromC)
|
||||
{
|
||||
for (int i = keyPressNotes.size(); --i >= 0;)
|
||||
{
|
||||
|
|
@ -892,24 +844,24 @@ void MidiKeyboardComponent::removeKeyPressForNote (const int midiNoteOffsetFromC
|
|||
}
|
||||
}
|
||||
|
||||
void MidiKeyboardComponent::setKeyPressBaseOctave (const int newOctaveNumber)
|
||||
void MidiKeyboardComponent::setKeyPressBaseOctave (int newOctaveNumber)
|
||||
{
|
||||
jassert (newOctaveNumber >= 0 && newOctaveNumber <= 10);
|
||||
|
||||
keyMappingOctave = newOctaveNumber;
|
||||
}
|
||||
|
||||
bool MidiKeyboardComponent::keyStateChanged (const bool /*isKeyDown*/)
|
||||
bool MidiKeyboardComponent::keyStateChanged (bool /*isKeyDown*/)
|
||||
{
|
||||
bool keyPressUsed = false;
|
||||
|
||||
for (int i = keyPresses.size(); --i >= 0;)
|
||||
{
|
||||
const int note = 12 * keyMappingOctave + keyPressNotes.getUnchecked (i);
|
||||
auto note = 12 * keyMappingOctave + keyPressNotes.getUnchecked (i);
|
||||
|
||||
if (keyPresses.getReference(i).isCurrentlyDown())
|
||||
{
|
||||
if (! keysPressed [note])
|
||||
if (! keysPressed[note])
|
||||
{
|
||||
keysPressed.setBit (note);
|
||||
state.noteOn (midiChannel, note, velocity);
|
||||
|
|
@ -918,7 +870,7 @@ bool MidiKeyboardComponent::keyStateChanged (const bool /*isKeyDown*/)
|
|||
}
|
||||
else
|
||||
{
|
||||
if (keysPressed [note])
|
||||
if (keysPressed[note])
|
||||
{
|
||||
keysPressed.clearBit (note);
|
||||
state.noteOff (midiChannel, note, 0.0f);
|
||||
|
|
|
|||
|
|
@ -175,7 +175,7 @@ public:
|
|||
/** Returns the absolute length of the black notes.
|
||||
This will be their vertical or horizontal length, depending on the keyboard's orientation.
|
||||
*/
|
||||
int getBlackNoteLength() const noexcept;
|
||||
float getBlackNoteLength() const noexcept;
|
||||
|
||||
/** If set to true, then scroll buttons will appear at either end of the keyboard
|
||||
if there are too many notes to fit them all in the component at once.
|
||||
|
|
@ -208,13 +208,13 @@ public:
|
|||
Depending on the keyboard's orientation, this may be a horizontal or vertical
|
||||
distance, in either direction.
|
||||
*/
|
||||
int getKeyStartPosition (int midiNoteNumber) const;
|
||||
float getKeyStartPosition (int midiNoteNumber) const;
|
||||
|
||||
/** Returns the total width needed to fit all the keys in the available range. */
|
||||
int getTotalKeyboardWidth() const noexcept;
|
||||
float getTotalKeyboardWidth() const noexcept;
|
||||
|
||||
/** Returns the key at a given coordinate. */
|
||||
int getNoteAtPosition (Point<int> position);
|
||||
int getNoteAtPosition (Point<float> position);
|
||||
|
||||
//==============================================================================
|
||||
/** Deletes all key-mappings.
|
||||
|
|
@ -311,11 +311,9 @@ protected:
|
|||
When doing this, be sure to note the keyboard's orientation.
|
||||
*/
|
||||
virtual void drawWhiteNote (int midiNoteNumber,
|
||||
Graphics& g,
|
||||
int x, int y, int w, int h,
|
||||
Graphics& g, Rectangle<float> area,
|
||||
bool isDown, bool isOver,
|
||||
const Colour& lineColour,
|
||||
const Colour& textColour);
|
||||
Colour lineColour, Colour textColour);
|
||||
|
||||
/** Draws a black note in the given rectangle.
|
||||
|
||||
|
|
@ -325,22 +323,21 @@ protected:
|
|||
When doing this, be sure to note the keyboard's orientation.
|
||||
*/
|
||||
virtual void drawBlackNote (int midiNoteNumber,
|
||||
Graphics& g,
|
||||
int x, int y, int w, int h,
|
||||
Graphics& g, Rectangle<float> area,
|
||||
bool isDown, bool isOver,
|
||||
const Colour& noteFillColour);
|
||||
Colour noteFillColour);
|
||||
|
||||
/** Allows text to be drawn on the white notes.
|
||||
By default this is used to label the C in each octave, but could be used for other things.
|
||||
@see setOctaveForMiddleC
|
||||
*/
|
||||
virtual String getWhiteNoteText (const int midiNoteNumber);
|
||||
virtual String getWhiteNoteText (int midiNoteNumber);
|
||||
|
||||
/** Draws the up and down buttons that change the base note. */
|
||||
/** Draws the up and down buttons that scroll the keyboard up/down in octaves. */
|
||||
virtual void drawUpDownButton (Graphics& g, int w, int h,
|
||||
const bool isMouseOver,
|
||||
const bool isButtonPressed,
|
||||
const bool movesOctavesUp);
|
||||
bool isMouseOver,
|
||||
bool isButtonPressed,
|
||||
bool movesOctavesUp);
|
||||
|
||||
/** Callback when the mouse is clicked on a key.
|
||||
|
||||
|
|
@ -369,55 +366,56 @@ protected:
|
|||
|
||||
@param midiNoteNumber the note to find
|
||||
@param keyWidth the desired width in pixels of one key - see setKeyWidth()
|
||||
@param x the x position of the left-hand edge of the key (this method
|
||||
always works in terms of a horizontal keyboard)
|
||||
@param w the width of the key
|
||||
@returns the start and length of the key along the axis of the keyboard
|
||||
*/
|
||||
virtual void getKeyPosition (int midiNoteNumber, float keyWidth,
|
||||
int& x, int& w) const;
|
||||
virtual Range<float> getKeyPosition (int midiNoteNumber, float keyWidth) const;
|
||||
|
||||
/** Returns the rectangle for a given key if within the displayable range */
|
||||
Rectangle<int> getRectangleForKey (int midiNoteNumber) const;
|
||||
Rectangle<float> getRectangleForKey (int midiNoteNumber) const;
|
||||
|
||||
|
||||
private:
|
||||
//==============================================================================
|
||||
friend class MidiKeyboardUpDownButton;
|
||||
struct UpDownButton;
|
||||
|
||||
MidiKeyboardState& state;
|
||||
float blackNoteLengthRatio;
|
||||
int xOffset;
|
||||
float keyWidth;
|
||||
float blackNoteLengthRatio = 0.7f;
|
||||
float xOffset = 0;
|
||||
float keyWidth = 16.0f;
|
||||
Orientation orientation;
|
||||
|
||||
int midiChannel, midiInChannelMask;
|
||||
float velocity;
|
||||
int midiChannel = 1, midiInChannelMask = 0xffff;
|
||||
float velocity = 1.0f;
|
||||
|
||||
Array<int> mouseOverNotes, mouseDownNotes;
|
||||
BigInteger keysPressed, keysCurrentlyDrawnDown;
|
||||
bool shouldCheckState;
|
||||
bool shouldCheckState = false;
|
||||
|
||||
int rangeStart, rangeEnd;
|
||||
float firstKey;
|
||||
bool canScroll, useMousePositionForVelocity, shouldCheckMousePos;
|
||||
int rangeStart = 0, rangeEnd = 127;
|
||||
float firstKey = 12 * 4.0f;
|
||||
bool canScroll = true, useMousePositionForVelocity = true, shouldCheckMousePos = false;
|
||||
ScopedPointer<Button> scrollDown, scrollUp;
|
||||
|
||||
Array<KeyPress> keyPresses;
|
||||
Array<int> keyPressNotes;
|
||||
int keyMappingOctave, octaveNumForMiddleC;
|
||||
int keyMappingOctave = 6, octaveNumForMiddleC = 3;
|
||||
|
||||
static const uint8 whiteNotes[];
|
||||
static const uint8 blackNotes[];
|
||||
|
||||
void getKeyPos (int midiNoteNumber, int& x, int& w) const;
|
||||
int xyToNote (Point<int>, float& mousePositionVelocity);
|
||||
int remappedXYToNote (Point<int>, float& mousePositionVelocity) const;
|
||||
Range<float> getKeyPos (int midiNoteNumber) const;
|
||||
int xyToNote (Point<float>, float& mousePositionVelocity);
|
||||
int remappedXYToNote (Point<float>, float& mousePositionVelocity) const;
|
||||
void resetAnyKeysInUse();
|
||||
void updateNoteUnderMouse (Point<int>, bool isDown, int fingerNum);
|
||||
void updateNoteUnderMouse (Point<float>, bool isDown, int fingerNum);
|
||||
void updateNoteUnderMouse (const MouseEvent&, bool isDown);
|
||||
void repaintNote (int midiNoteNumber);
|
||||
void setLowestVisibleKeyFloat (float noteNumber);
|
||||
|
||||
#if JUCE_CATCH_DEPRECATED_CODE_MISUSE
|
||||
// Note that the parameters for these method have changed
|
||||
virtual int getKeyPosition (int, float, int&, int&) const { return 0; }
|
||||
virtual int drawWhiteNote (int, Graphics&, int, int, int, int, bool, bool, const Colour&, const Colour&) { return 0; }
|
||||
virtual int drawBlackNote (int, Graphics&, int, int, int, int, bool, bool, const Colour&) { return 0; }
|
||||
#endif
|
||||
|
||||
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MidiKeyboardComponent)
|
||||
};
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue