private void trackCanvas_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
_movePartElement = false;
_resizePartElement = false;
_hitPartElement = null;
DocManager.Inst.EndUndoGroup();
// End selection
selectionStart = null;
if (selectionBox != null)
{
Canvas.SetZIndex(selectionBox, -100);
selectionBox.Visibility = System.Windows.Visibility.Hidden;
}
trackVM.DoneTempSelect();
trackVM.UpdateViewSize();
((UIElement)sender).ReleaseMouseCapture();
Mouse.OverrideCursor = null;
}
private void trackCanvas_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
Point mousePos = e.GetPosition((UIElement)sender);
var hit = VisualTreeHelper.HitTest(trackCanvas, mousePos).VisualHit;
System.Diagnostics.Debug.WriteLine("Mouse hit " + hit.ToString());
if (Keyboard.Modifiers == ModifierKeys.Control || Keyboard.Modifiers == (ModifierKeys.Control | ModifierKeys.Shift))
{
selectionStart = new Point(trackVM.CanvasToQuarter(mousePos.X), trackVM.CanvasToTrack(mousePos.Y));
if (Keyboard.IsKeyUp(Key.LeftShift) && Keyboard.IsKeyUp(Key.RightShift)) trackVM.DeselectAll();
if (selectionBox == null)
{
selectionBox = new Rectangle()
{
Stroke = Brushes.Black,
StrokeThickness = 2,
Fill = ThemeManager.BarNumberBrush,
Width = 0,
Height = 0,
Opacity = 0.5,
RadiusX = 8,
RadiusY = 8,
IsHitTestVisible = false
};
trackCanvas.Children.Add(selectionBox);
Canvas.SetZIndex(selectionBox, 1000);
selectionBox.Visibility = System.Windows.Visibility.Visible;
}
else
{
selectionBox.Width = 0;
selectionBox.Height = 0;
Canvas.SetZIndex(selectionBox, 1000);
selectionBox.Visibility = System.Windows.Visibility.Visible;
}
Mouse.OverrideCursor = Cursors.Cross;
}
else if (hit is DrawingVisual)
{
PartElement partEl = ((DrawingVisual)hit).Parent as PartElement;
_hitPartElement = partEl;
if (!trackVM.SelectedParts.Contains(_hitPartElement.Part)) trackVM.DeselectAll();
if (e.ClickCount == 2)
{
if (partEl is VoicePartElement) // load part into midi window
{
if (midiWindow == null) midiWindow = new MidiWindow();
DocManager.Inst.ExecuteCmd(new LoadPartNotification(partEl.Part, trackVM.Project));
midiWindow.Show();
midiWindow.Focus();
}
}
else if (mousePos.X > partEl.X + partEl.VisualWidth - UIConstants.ResizeMargin && partEl is VoicePartElement) // resize
{
_resizePartElement = true;
_resizeMinDurTick = trackVM.GetPartMinDurTick(_hitPartElement.Part);
Mouse.OverrideCursor = Cursors.SizeWE;
if (trackVM.SelectedParts.Count > 0)
{
_partResizeShortest = _hitPartElement.Part;
foreach (UPart part in trackVM.SelectedParts)
{
if (part.DurTick - part.GetMinDurTick(trackVM.Project) <
_partResizeShortest.DurTick - _partResizeShortest.GetMinDurTick(trackVM.Project))
_partResizeShortest = part;
}
_resizeMinDurTick = _partResizeShortest.GetMinDurTick(trackVM.Project);
}
DocManager.Inst.StartUndoGroup();
}
else // move
{
_movePartElement = true;
_partMoveRelativeTick = trackVM.CanvasToSnappedTick(mousePos.X) - _hitPartElement.Part.PosTick;
_partMoveStartTick = partEl.Part.PosTick;
Mouse.OverrideCursor = Cursors.SizeAll;
if (trackVM.SelectedParts.Count > 0)
{
_partMovePartLeft = _partMovePartMin = _partMovePartMax = _hitPartElement.Part;
foreach (UPart part in trackVM.SelectedParts)
{
if (part.PosTick < _partMovePartLeft.PosTick) _partMovePartLeft = part;
if (part.TrackNo < _partMovePartMin.TrackNo) _partMovePartMin = part;
if (part.TrackNo > _partMovePartMax.TrackNo) _partMovePartMax = part;
}
}
DocManager.Inst.StartUndoGroup();
}
}
else
{
if (trackVM.CanvasToTrack(mousePos.Y) > trackVM.Project.Tracks.Count - 1) return;
UVoicePart part = new UVoicePart()
{
PosTick = trackVM.CanvasToSnappedTick(mousePos.X),
TrackNo = trackVM.CanvasToTrack(mousePos.Y),
DurTick = trackVM.Project.Resolution * 4 / trackVM.Project.BeatUnit * trackVM.Project.BeatPerBar
};
DocManager.Inst.StartUndoGroup();
DocManager.Inst.ExecuteCmd(new AddPartCommand(trackVM.Project, part));
DocManager.Inst.EndUndoGroup();
// Enable drag
trackVM.DeselectAll();
_movePartElement = true;
_hitPartElement = trackVM.GetPartElement(part);
_partMoveRelativeTick = 0;
_partMoveStartTick = part.PosTick;
}
((UIElement)sender).CaptureMouse();
}
