public override void OnMouseDown(object sender, MouseEventArgs e)
{
// Only run during initial press
if (ClickData.Action != ShapeClickAction.None)
{
return;
}
using (GraphicsPath path = new GraphicsPath(FillMode.Alternate))
{
var location = e.Location;
ClickData.Origin = Grid.SnapToGrid(e.Location);
var shape = Canvas.Instance.layer.GetShapeByPoint(path, location);
switch (e.Button)
{
case MouseButtons.Right:
SharedActions.RemoveShape(shape);
break;
case MouseButtons.Middle:
if (shape != null && shape.Type == ShapeType.Triangle)
{
SharedActions.TriangleIncrementAngle(shape);
}
break;
case MouseButtons.Left:
bool createShape = true;
if (!KeyboardController.IsShiftDown && shape != null)
{
var action = shape.GetShapeActionByPoint(path, location);
if (action != ShapeClickAction.None)
{
ClickData.Set(action, shape);
createShape = false;
OnMouseMove(sender, e);
}
else
{
throw new InvalidOperationException(
"Shape was found under Point, but action wasn't - This shouldn't happen."
);
}
}
if (createShape)
{
var newSize = new Size(20, 20);
var sizeSnapped = Grid.SnapToGrid(newSize, Grid.SnapSizeToGrid);
GenerateShape(sizeSnapped);
}
break;
}
}
Canvas.Instance.Invalidate();
}
public override void OnProcessKeys(KeyEventArgs e, bool isDown)
{
switch (e.KeyCode)
{
case Keys.Delete:
if (!isDown && !ClickData.IsShapesEmpty() && Canvas.Instance.Focused)
{
foreach (Shape s in ClickData.Shapes)
{
SharedActions.RemoveShape(s);
}
}
break;
}
}
public override void OnProcessKeys(KeyEventArgs e, bool isDown)
{
if (action == SelectorAction.EndSelectionRectangle || action == SelectorAction.EndMoveSelectedShapes)
{
switch (e.KeyCode)
{
case Keys.Delete:
foreach (var s in ClickData.Shapes)
{
SharedActions.RemoveShape(s);
}
break;
}
}
}
public override void OnMouseMove(object sender, MouseEventArgs e)
{
if (e.Button != MouseButtons.Right)
{
return;
}
using (GraphicsPath path = new GraphicsPath(FillMode.Alternate))
{
var location = e.Location;
ClickData.Origin = Grid.SnapToGrid(e.Location);
var shape = Canvas.Instance.layer.GetShapeByPoint(path, location);
SharedActions.RemoveShape(shape);
}
Canvas.Instance.Invalidate();
}
public override void OnMouseDoubleClick(object sender, MouseEventArgs e)
{
using (GraphicsPath path = new GraphicsPath(FillMode.Alternate))
{
var location = e.Location;
ClickData.Origin = Grid.SnapToGrid(e.Location);
// Todo: Copy over the moving mechanics a little better.
var shape = Canvas.Instance.layer.GetShapeByPoint(path, location);
if (shape == null)
{
return;
}
if (shape.Type == ShapeType.Triangle)
{
SharedActions.TriangleIncrementAngle(shape);
}
}
}