/// <summary>
/// Marks the specified note as released
/// </summary>
/// <param name="note">The note to release</param>
public void MarkKeyReleased(NoteEnum note)
{
if (!(note == NoteEnum.None || note == lastMouseNote))
{
MidiPlayer.StopNote(note);
if (pressedNotes.ContainsKey(note))
{
Staff.StopAdjustingNote(pressedNotes[note]);
pressedNotes.Remove(note);
}
Invalidate(GetNoteArea(note), false);
}
SilenceStopwatch.Restart();
}
/// <summary>
/// Called when a mouse button is released on the piano keyboard
/// </summary>
protected override void OnMouseUp(MouseEventArgs e)
{
base.OnMouseUp(e);
if (e.Button == MouseButtons.Left)
{
leftMouseDown = false;
if (lastMouseNote != NoteEnum.None)
{
MidiPlayer.StopNote(lastMouseNote);
Staff.StopAdjustingNote(currentMouseNote);
currentMouseNote = null;
Invalidate(GetNoteArea(lastMouseNote), false);
pressedNotes.Remove(lastMouseNote);
lastMouseNote = NoteEnum.None;
}
}
SilenceStopwatch.Restart();
}
/// <summary>
/// Marks the specified note as currently pressed
/// </summary>
/// <param name="note">The note to press on the piano keyboard</param>
/// <param name="addToStaff">Whether to add the specified note to the staff</param>
public void MarkKeyPressed(NoteEnum note, bool addToStaff)
{
if (!(note == NoteEnum.None || pressedNotes.ContainsKey(note)))
{
Stopwatch stopwatch = Stopwatch.StartNew();
MidiPlayer.PlayNote(note);
if (addToStaff)
{
int silenceLength = (int)SilenceStopwatch.ElapsedMilliseconds;
NoteLength restLength = Staff.ToNoteLength(silenceLength);
if (restLength >= NoteLength.DemiSemiQuaver)
{
Staff.AddNote(NoteEnum.None, restLength);
}
else
{
MusicNote lastNote = Staff.LastNote;
if (lastNote != null)
{
lastNote.LengthInMilliseconds += silenceLength;
}
}
}
SilenceStopwatch.Restart();
if (addToStaff)
{
MusicNote noteControl = Staff.AddNote(note, NoteLength.HemiDemiSemiQuaver);
pressedNotes.Add(note, noteControl);
Staff.StartAdjustingNote(noteControl, stopwatch);
}
else
{
pressedNotes.Add(note, null);
}
Invalidate(GetNoteArea(note), false);
}
}
/// <summary>
/// Called when the mouse is moved on the piano keyboard
/// </summary>
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (leftMouseDown)
{
Stopwatch stopwatch = Stopwatch.StartNew();
lastCursorLocation = e.Location;
NoteEnum currentNote = GetNoteAtPoint(e.Location);
NoteEnum oldNote = lastMouseNote;
if (!pressedNotes.ContainsKey(currentNote))
{
lastMouseNote = currentNote;
if (oldNote != NoteEnum.None)
{
MidiPlayer.StopNote(oldNote);
}
if (currentNote != NoteEnum.None)
{
MidiPlayer.PlayNote(currentNote);
}
if (oldNote != NoteEnum.None)
{
Staff.StopAdjustingNote(currentMouseNote);
currentMouseNote = null;
pressedNotes.Remove(oldNote);
Invalidate(GetNoteArea(oldNote));
}
if (currentNote != NoteEnum.None)
{
currentMouseNote = Staff.AddNote(currentNote, NoteLength.HemiDemiSemiQuaver);
pressedNotes.Add(currentNote, currentMouseNote);
Staff.StartAdjustingNote(currentMouseNote, stopwatch);
Invalidate(GetNoteArea(currentNote));
}
}
}
}
/// <summary>
/// Called when a mouse button is pressed onto the piano keyboard
/// </summary>
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (e.Button == MouseButtons.Left)
{
Stopwatch stopwatch = Stopwatch.StartNew();
lastCursorLocation = e.Location;
leftMouseDown = true;
lastMouseNote = GetNoteAtPoint(e.Location);
if (lastMouseNote != NoteEnum.None)
{
MidiPlayer.PlayNote(lastMouseNote);
int silenceLength = (int)SilenceStopwatch.ElapsedMilliseconds;
NoteLength restLength = Staff.ToNoteLength(silenceLength);
if (restLength >= NoteLength.DemiSemiQuaver)
{
Staff.AddNote(NoteEnum.None, restLength);
}
else
{
MusicNote lastNote = Staff.LastNote;
if (lastNote != null)
{
lastNote.LengthInMilliseconds += silenceLength;
}
}
SilenceStopwatch.Restart();
currentMouseNote = Staff.AddNote(lastMouseNote, NoteLength.HemiDemiSemiQuaver);
if (!pressedNotes.ContainsKey(lastMouseNote))
{
pressedNotes.Add(lastMouseNote, currentMouseNote);
}
Staff.StartAdjustingNote(currentMouseNote, stopwatch);
Invalidate(GetNoteArea(lastMouseNote), false);
}
}
}
