private void pDrawSpace_MouseMove(object sender, MouseEventArgs e)
{
x = e.X;
y = e.Y;
if (clickState == ClickStates.Move)
{
var nodeInfo = graph.NodeInfos[clickedNode];
nodeInfo.X = x;
nodeInfo.Y = y;
draw();
return;
}
var size = trackBarNodeSize.Value;
selectedNode = null;
selectedEdge = null;
mouseOn = NodesEdges.None;
foreach (var node in graph.Nodes)
{
var nodeInfo = graph.NodeInfos[node];
if (Math.Abs(nodeInfo.X - x) < size / 2 && Math.Abs(nodeInfo.Y - y) < size / 2 && selectedNode == null)
{
mouseOn = NodesEdges.Nodes;
selectedNode = node;
}
}
foreach (var edge in graph.Edges)
{
var edgeInfo = graph.EdgeInfos[edge];
if (pointOnEdge(x, y, edgeInfo) && mouseOn != NodesEdges.Nodes && selectedEdge == null)
{
mouseOn = NodesEdges.Edges;
selectedEdge = edge;
}
}
draw();
}
private void rbNodes_CheckedChanged(object sender, EventArgs e)
{
nodesEdgesState = NodesEdges.Nodes;
}
