public static Area FindSnapPosition(IWinMatch match, Area area, int maxDistance, bool resize)
{
var edges = GetEdges(match, true, area);
var vertical = edges[EdgeType.Left].Concat(edges[EdgeType.Right]).ToList();
var horizontal = edges[EdgeType.Top].Concat(edges[EdgeType.Bottom]).ToList();
int left = FindClosestMatch(new EdgeInfo((int)area.Left, (int)area.Top, (int)area.Bottom), vertical, maxDistance, out int dLeft);
int right = FindClosestMatch(new EdgeInfo((int)area.Right, (int)area.Top, (int)area.Bottom), vertical, maxDistance, out int dRight);
int top = FindClosestMatch(new EdgeInfo((int)area.Top, (int)area.Left, (int)area.Right), horizontal, maxDistance, out int dTop);
int bottom = FindClosestMatch(new EdgeInfo((int)area.Bottom, (int)area.Left, (int)area.Right), horizontal, maxDistance, out int dBottom);
if (resize)
{
if (dLeft <= maxDistance)
{
area.LeftR = left;
}
if (dRight <= maxDistance)
{
area.RightR = right;
}
if (dTop <= maxDistance)
{
area.TopR = top;
}
if (dBottom <= maxDistance)
{
area.BottomR = bottom;
}
}
else
{
if (Math.Min(dLeft, dRight) <= maxDistance)
{
if (dLeft <= dRight)
{
area.Left = left;
}
else
{
area.Right = right;
}
}
if (Math.Min(dTop, dBottom) <= maxDistance)
{
if (dTop <= dBottom)
{
area.Top = top;
}
else
{
area.Bottom = bottom;
}
}
}
return(area);
}
/// <summary>Get valid snap edges</summary>
/// <param name="match">Find edges of only matching windows</param>
/// <param name="monitorCulling">Enable the culling of edges based on the location of the culling area and monitors</param>
/// <param name="cullingArea">Current area to snap to use in culling</param>
public static Dictionary <EdgeType, List <EdgeInfo> > GetEdges(IWinMatch match = null, bool monitorCulling = false, Area?cullingArea = null)
{
var windows = Window.GetWindows(match, WinFindMode.CurrentDesktop);
var lefts = new List <EdgeInfo>();
var rights = new List <EdgeInfo>();
var tops = new List <EdgeInfo>();
var bottoms = new List <EdgeInfo>();
var areas = new List <Area>();
if (monitorCulling)
{
if (cullingArea == null)
{
throw new Exception("Snap area cannot be null when monitor culling");
}
var area = (Area)cullingArea;
var mons = new List <Area>();
foreach (var mon in Monitor.GetMonitors())
{
var monArea = mon.WorkArea;
if (area.Overlaps(monArea))
{
mons.Add(monArea);
}
}
foreach (var win in windows)
{
var monArea = win.Area;
if (mons.Any(m => m.Overlaps(monArea)))
{
areas.Add(monArea);
}
}
areas.AddRange(mons);
}
else
{
areas = windows.Select(w => w.Area).Concat(Monitor.GetMonitors().Select(m => m.WorkArea)).ToList();
}
foreach (var area in areas)
{
lefts.Add(new EdgeInfo((int)area.Left, (int)area.Top, (int)area.Bottom));
rights.Add(new EdgeInfo((int)area.Right, (int)area.Top, (int)area.Bottom));
tops.Add(new EdgeInfo((int)area.Top, (int)area.Left, (int)area.Right));
bottoms.Add(new EdgeInfo((int)area.Bottom, (int)area.Left, (int)area.Right));
}
return(new Dictionary <EdgeType, List <EdgeInfo> > {
{ EdgeType.Left, lefts },
{ EdgeType.Right, rights },
{ EdgeType.Top, tops },
{ EdgeType.Bottom, bottoms }
});
}
