private void Canvas_MouseUp(object sender, MouseEventArgs e)
{
canvas.Focus();
if (e.Button == MouseButtons.Left && selectionBegin)
{
canvas.UnselectAll();
PointF selectionStart = selectionBox.Points[0];
PointF selectionEnd = selectionBox.Points[2];
PointF selectionOrigin = new PointF();
SizeF selectionSize = new SizeF();
selectionSize.Width = Math.Abs(selectionEnd.X - selectionStart.X);
selectionSize.Height = Math.Abs(selectionEnd.Y - selectionStart.Y);
if (selectionEnd.X > selectionStart.X)
{
if (selectionEnd.Y > selectionStart.Y)
{
selectionOrigin.X = selectionStart.X;
selectionOrigin.Y = selectionStart.Y;
}
else
{
selectionOrigin.X = selectionStart.X;
selectionOrigin.Y = selectionEnd.Y;
}
}
else
{
if (selectionEnd.Y > selectionStart.Y)
{
selectionOrigin.X = selectionEnd.X;
selectionOrigin.Y = selectionStart.Y;
}
else
{
selectionOrigin.X = selectionEnd.X;
selectionOrigin.Y = selectionEnd.Y;
}
}
RectangleF rect = new RectangleF(selectionOrigin.X,
selectionOrigin.Y,
selectionSize.Width,
selectionSize.Height);
float square = selectionSize.Width * selectionSize.Height;
if (square >= 4.0F)
{
List <CanvasItem> items = canvas.BoxTest(rect);
if (items.Count != 0)
{
foreach (var item in items)
{
item.Select();
}
canvas.Invalidate();
}
}
canvas.RemoveItem(selectionBox);
selectionBox = null;
selectionBegin = false;
canvas.Invalidate();
}
else if (e.Button == MouseButtons.Left && draggingBegin)
{
draggingBegin = false;
canvas.Cursor = Cursors.Default;
}
else if (e.Button == MouseButtons.Right && scrollingBegin)
{
scrollingBegin = false;
canvas.Cursor = Cursors.Default;
}
}
private void Canvas_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left && !selectionBegin)
{
PointF pos = canvas.ScreenToWorld(new Point(e.X, e.Y));
CanvasItem item = canvas.HitTest(pos);
if (item != null)
{
// Нажали внутри итема
if (!item.Selected)
{
// Если не выделен - выделить
if (canvas.GetModifierKeys() != Keys.Shift)
{
canvas.UnselectAll();
}
item.Select();
canvas.Invalidate();
}
else
{
// Если выделен - начать перетаскивание
selectedDragItems = canvas.GetSelected();
foreach (var next in selectedDragItems)
{
next.SavedPos = new PointF(next.Pos.X, next.Pos.Y);
next.SavedPosEnd = new PointF(next.PosEnd.X, next.PosEnd.Y);
next.SavedPoints = new List <PointF>();
foreach (var point in next.Points)
{
next.SavedPoints.Add(point);
}
}
savedMouse = new Point(e.X, e.Y);
draggingBegin = true;
}
}
else
{
// Рамка выделения
List <PointF> points = new List <PointF>();
points.Add(pos);
points.Add(pos);
points.Add(pos);
points.Add(pos);
points.Add(pos);
selectionBox = new CanvasPolyLine(points);
selectionBox.FrontColor = Color.Black;
canvas.AddItem(selectionBox);
selectionBegin = true;
}
}
else if (e.Button == MouseButtons.Right && !scrollingBegin)
{
savedScroll = new PointF(canvas.Scroll.X, canvas.Scroll.Y);
savedMouse = new Point(e.X, e.Y);
canvas.Cursor = Cursors.SizeAll;
scrollingBegin = true;
}
}
private void VisualizeLogisim(LogisimConverter.LogisimModel model)
{
canvasControl1.RemoveAllItems();
// Comps
foreach (var comp in model.comps)
{
CanvasRect rect = new CanvasRect((PointF)comp.loc,
LogisimConverter.CompSize, LogisimConverter.CompSize, Color.Gold);
rect.Text = comp.name;
if (comp.name == "Text")
{
// Skip labels
continue;
}
else if (comp.name == "1")
{
rect.FrontColor = Color.Tomato;
}
else if (comp.name == "0")
{
rect.FrontColor = Color.LimeGreen;
}
#if DEBUG
rect.Text += " #" + comp.id.ToString();
#endif
canvasControl1.AddItem(rect);
}
// Wires
foreach (var wire in model.wires)
{
List <PointF> path = new List <PointF>();
foreach (var p in wire.path)
{
path.Add(p);
}
CanvasPolyLine line = new CanvasPolyLine(path, 1, Color.Black);
line.Text = wire.name;
WireMeta meta = new WireMeta();
meta.wire = wire;
line.UserData = meta;
canvasControl1.AddItem(line);
WireDirection(wire, meta);
}
// Vias
foreach (var vias in model.viases)
{
CanvasPoint point = new CanvasPoint(vias.loc, 5, Color.Gold);
#if DEBUG
//point.Text = vias.id.ToString();
//point.TextColor = Color.DeepPink;
#endif
canvasControl1.AddItem(point);
}
canvasControl1.Invalidate();
}
