private void PianoRoll_MouseUp(object sender, MouseEventArgs e)
{
mousePos = e.Location;
if (e.Button == MouseButtons.Right)
{
uint channel = (uint)Clip.Channel.Number;
Sequencer.PlayMidiEvent(new Midi.MidiMessage(channel, Midi.MidiMessage.Commands.NoteOff, tryingKey, 0), true);
tryingKey = 128;
}
if (e.Button == MouseButtons.Left && paintedNote != null)
{
UpdatePaintedNote(e.X);
Clip.NoteEvents.Add(paintedNote);
selected.Clear();
selected.Add(paintedNote);
paintedNote = null;
Refresh();
}
if (e.Button == MouseButtons.Left && moving)
{
int timeDelta = GetTimeMovement();
int keyDelta = GetKeyMovement();
List<Clip.NoteEvent> moved = new List<Clip.NoteEvent>();
foreach (Clip.NoteEvent ne in selected)
{
Clip.NoteEvent n = ne;
if (copying)
{
n = n.Clone();
Clip.NoteEvents.Add(n);
}
n.StartTime += timeDelta;
n.Note = (byte)(n.Note + keyDelta);
moved.Add(n);
}
selected.Clear();
selected.AddRange(moved);
moving = false;
Refresh();
}
if (e.Button == MouseButtons.Left && selecting)
{
Rectangle selectRect = GetSelectRect();
foreach (Clip.NoteEvent n in Clip.NoteEvents)
{
if (NoteToRect(n).IntersectsWith(selectRect))
{
selected.Add(n);
}
}
selecting = false;
Refresh();
}
}
private void PianoRoll_Paint(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
for (int i = 0; i < numKeys; i++)
{
int key = numKeys - i - 1;
int y = i * keyHeight;
bool blackKey = (key % 12 == 1 || key % 12 == 3 || key % 12 == 6 || key % 12 == 8 || key % 12 == 10);
g.FillRectangle(blackKey ? Brushes.Silver : Brushes.LightGray, new Rectangle(0, y, Width, keyHeight - 1));
}
for (int x = 0; x < Width; x += pixelsPerTick)
{
g.DrawLine(Pens.White, new Point(x, 0), new Point(x, Height));
if ((x / pixelsPerTick) % 4 == 0)
{
g.DrawLine(Pens.White, new Point(x - 1, 0), new Point(x - 1, Height));
}
if ((x / pixelsPerTick) % 16 == 0)
{
g.DrawLine(Pens.White, new Point(x + 1, 0), new Point(x + 1, Height));
}
}
if (Clip != null)
{
foreach(Clip.NoteEvent note in Clip.NoteEvents)
{
Rectangle r = NoteToRect(note);
g.FillRectangle(Brushes.RosyBrown, r);
g.DrawRectangle(Pens.Black, r);
if (selected.Contains(note))
{
r.Inflate(new Size(-1, -1));
g.DrawRectangle(Pens.Black, r);
}
}
if (moving)
{
int timeDelta = GetTimeMovement();
int keyDelta = GetKeyMovement();
foreach (Clip.NoteEvent n in selected)
{
Clip.NoteEvent moved = new Clip.NoteEvent((byte)(n.Note + keyDelta), n.Velocity, n.StartTime + timeDelta, n.Length);
Rectangle r = NoteToRect(moved);
r.Inflate(new Size(-1, -1));
g.DrawRectangle(Pens.Black, r);
}
}
}
if (paintedNote != null)
{
Rectangle r = NoteToRect(paintedNote);
g.DrawRectangle(Pens.Black, r);
}
if (selecting)
{
g.DrawRectangle(Pens.DarkGray, GetSelectRect());
}
}
private void PianoRoll_MouseDown(object sender, MouseEventArgs e)
{
mousePos = e.Location;
mouseDownPos = e.Location;
if (e.Button == MouseButtons.Right)
{
tryingKey = ConvertYToKey(e.Y);
uint channel = (uint)Clip.Channel.Number;
Sequencer.PlayMidiEvent(new Midi.MidiMessage(channel, Midi.MidiMessage.Commands.NoteOn, tryingKey, 110), false);
}
if (e.Button == MouseButtons.Left)
{
selecting = shift;
}
if (e.Button == MouseButtons.Left && !selecting)
{
Clip.NoteEvent clickedNote = GetNoteAt(e.Location);
if (clickedNote == null)
{
byte key = ConvertYToKey(e.Y);
int time = ConvertXToTime(e.X);
paintedNote = new Clip.NoteEvent(key, 110, time, 1);
Refresh();
}
else
{
if (!selected.Contains(clickedNote))
{
selected.Clear();
selected.Add(clickedNote);
}
moving = true;
Refresh();
}
}
if (e.Button == MouseButtons.Left && selecting)
{
selected.Clear();
Refresh();
}
}
