public override void OnKeyUp(DesignCanvas canvas, KeyRoutedEventArgs args)
{
if (args.Key == VirtualKey.Menu)
{
_drawRectangle = false;
Cursor = DefaultCursor;
canvas.InvalidateCursor();
}
else if (args.Key == VirtualKey.Shift)
{
_linkAxes = false;
}
else if (args.Key == VirtualKey.Control)
{
_originAtCenter = false;
}
else if (args.Key == VirtualKey.Space)
{
_shouldMoveOrigin = false;
}
else
{
base.OnKeyUp(canvas, args);
return;
}
args.Handled = true;
canvas.Invalidate();
}
public override void OnPointerMoved(DesignCanvas canvas, PointerRoutedEventArgs args)
{
base.OnPointerMoved(canvas, args);
if (_origin.HasValue)
{
var pos = canvas.FromClientPosition(args.GetCurrentPoint(canvas).Position);
var snapAxis = UIBroker.Axis.XY;
if (args.KeyModifiers.HasFlag(VirtualKeyModifiers.Shift))
{
snapAxis = ClampToOrigin(pos, _origin.Value, out pos);
}
pos = UIBroker.SnapPointDirect(canvas.Layer, pos, 1f / canvas.ScaleFactor, snapAxis)
.ToPoint();
if (_shouldMoveOrigin)
{
_origin = new Point(
_origin.Value.X + pos.X - _anchor.X,
_origin.Value.Y + pos.Y - _anchor.Y);
}
_anchor = pos;
_points = GetPointsWithEndpoints(canvas.Layer, addIntersections: !args.KeyModifiers.HasFlag(VirtualKeyModifiers.Menu));
canvas.Invalidate();
}
}
public override void OnPointerMoved(DesignCanvas canvas, PointerRoutedEventArgs args)
{
base.OnPointerMoved(canvas, args);
if (_origin.HasValue)
{
var pos = canvas.FromClientPosition(args.GetCurrentPoint(canvas).Position);
if (args.KeyModifiers.HasFlag(VirtualKeyModifiers.Shift))
{
pos = ClampToOrigin(pos, _origin.Value);
}
if (_shouldMoveOrigin)
{
_origin = new Point(
_origin.Value.X + pos.X - _anchor.X,
_origin.Value.Y + pos.Y - _anchor.Y);
}
_anchor = pos;
_points = Slicing.IntersectPaths(canvas.Layer, _origin.Value.ToVector2(), _anchor.ToVector2());
canvas.Invalidate();
}
Cursor = args.KeyModifiers.HasFlag(VirtualKeyModifiers.Menu) ? Cursors.KnifeWithPlus : DefaultCursor;
canvas.InvalidateCursor();
}
protected override void CompleteMove(DesignCanvas canvas)
{
base.CompleteMove(canvas);
if (_points != null)
{
_points = null;
canvas.Invalidate();
}
_origin = null;
}
public override void OnPointerPressed(DesignCanvas canvas, PointerRoutedEventArgs args)
{
base.OnPointerPressed(canvas, args);
var ptPoint = args.GetCurrentPoint(canvas);
if (ptPoint.Properties.IsLeftButtonPressed)
{
var pos = canvas.FromClientPosition(ptPoint.Position);
_origin = _anchor = UIBroker.SnapPointDirect(canvas.Layer, pos, 1f / canvas.ScaleFactor)
.ToPoint();
canvas.Invalidate();
}
}
public override void OnPointerMoved(DesignCanvas canvas, PointerRoutedEventArgs args)
{
base.OnPointerMoved(canvas, args);
if (_origin.HasValue)
{
var pos = canvas.FromClientPosition(args.GetCurrentPoint(canvas).Position);
if (_shouldMoveOrigin)
{
var origin = _origin.Value;
origin.X += pos.X - _anchor.X;
origin.Y += pos.Y - _anchor.Y;
_origin = origin;
}
_anchor = pos;
canvas.Invalidate();
}
}
public override void OnKeyDown(DesignCanvas canvas, KeyRoutedEventArgs args)
{
if (args.Key == VirtualKey.Space && _origin != null)
{
_shouldMoveOrigin = true;
}
else if (args.Key == VirtualKey.Escape && _origin != null)
{
_origin = null;
_points = null;
canvas.Invalidate();
}
else
{
base.OnKeyDown(canvas, args);
return;
}
args.Handled = true;
}
public override void OnKeyDown(DesignCanvas canvas, KeyRoutedEventArgs args)
{
if (args.Key == VirtualKey.Menu)
{
_drawRectangle = true;
Cursor = Cursors.CrossWithRectangle;
canvas.InvalidateCursor();
}
else if (args.Key == VirtualKey.Shift)
{
_linkAxes = true;
}
else if (args.Key == VirtualKey.Control)
{
_originAtCenter = true;
}
else if (args.Key == VirtualKey.Space && _origin.HasValue)
{
_shouldMoveOrigin = true;
}
else if (args.Key == VirtualKey.Escape && _origin.HasValue)
{
_undoGroup.Reset();
_undoGroup.Dispose();
_undoGroup = null;
_origin = null;
((App)Application.Current).InvalidateData();
}
else
{
base.OnKeyDown(canvas, args);
return;
}
args.Handled = true;
canvas.Invalidate();
}