public void Select(PointF point)
{
VertexSettings lastSelected = this.Selected;
this.Selected = this.vertices.Where(vertex => vertex.GetBounds().Contains(point)).LastOrDefault();
if (this.Selected != lastSelected)
{
Redraw();
}
}
public ILGraphViewer(ILGraph graph)
{
InitializeComponent();
this.Graph = graph;
// Defaults
this.BackColor = Color.White;
// Create the vertex settings
Dictionary <Instruction, VertexSettings> vertices = new Dictionary <Instruction, VertexSettings>();
Dictionary <Instruction, HashSet <Instruction> > targets = graph.Targets;
float x = this.Padding;
float y = this.Padding;
foreach (Instruction instruction in graph.Code)
{
if (!vertices.ContainsKey(instruction))
{
vertices[instruction] = new VertexSettings(instruction, x, y)
{
Targets = targets[instruction].Select(i => {
if (!vertices.ContainsKey(i))
{
vertices[i] = new VertexSettings(i, 0, 0);
}
return(vertices[i]);
})
};
}
vertices[instruction].Center = new PointF(x, y);
x += this.Spacing;
}
this.vertices = new SortedSet <VertexSettings>(vertices.Values, new VertexComparer());
this.Size = GetPreferredSize(this.Size);
this.Image = new Bitmap(this.Width, this.Height);
this.Paint += (sender, e) => Redraw();
this.MouseMove += (sender, e) => {
VertexSettings prevHovered = this.Hovered;
this.Hovered = this.vertices.Where(vertex => vertex.GetBounds().Contains(this.ClientMousePosition)).LastOrDefault();
if (prevHovered != this.Hovered)
{
Redraw();
}
};
this.Click += (sender, e) => Select(this.ClientMousePosition);
}