private void GraphForm_MouseMove(object sender, MouseEventArgs e)
{
mousepos = e.Location;
mousepos.X += hScrollBar.Value;
mousepos.Y += vScrollBar.Value - toolStripHeight;
if (movingFilter != null)
{
int dx = (mousepos.X - movingStart.X) / graph.cellsize;
int dy = (mousepos.Y - movingStart.Y) / graph.cellsize;
if (dx != 0 || dy != 0)
{
Point c = movingFilter.movingStartCoords;
c.X += dx;
c.Y += dy;
c.X = Math.Max(c.X, 1);
c.Y = Math.Max(c.Y, 0);
if (c != movingFilter.Coords)
{
foreach(Filter f in graph.SelectedFilters)
graph.PlaceFilter(f, false);
bool canplace = true;
foreach (Filter f in graph.SelectedFilters)
{
c = f.movingStartCoords;
c.X += dx;
c.Y += dy;
c.X = Math.Max(c.X, 1);
c.Y = Math.Max(c.Y, 0);
if (!graph.CanPlaceFilter(c, f))
{
canplace = false;
break;
}
}
if (canplace)
{
foreach (Filter f in graph.SelectedFilters)
{
c = f.movingStartCoords;
c.X += dx;
c.Y += dy;
c.X = Math.Max(c.X, 1);
c.Y = Math.Max(c.Y, 0);
f.Coords = c;
graph.PlaceFilter(f, true);
}
graph.RecalcPaths();
RecalcScrolls();
Invalidate();
}
else
foreach (Filter f in graph.SelectedFilters)
graph.PlaceFilter(f, true);
}
}
}
if (connectingPin != null && connectingPin.Connection==null)
{
otherPin = null;
Filter f = graph.FilterInPoint(mousepos);
if (f != null)
{
Pin p = f.PinInPoint(mousepos);
if (p != null && p.Direction != connectingPin.Direction && p.Connection==null)
otherPin = p;
}
Invalidate();
}
if (selecting)
{
Invalidate();
}
DescribeActions();
}
