public void SetEntries(List <Color?> palette, int maxEntries)
{
_maxEntries = maxEntries;
_palette = palette;
SuspendLayout();
Visible = false;
Controls.Clear();
if (_entryIndexes != null)
{
foreach (var entry in _entryIndexes.Keys)
{
entry.Dispose();
}
}
_entryIndexes = new Dictionary <Control, int>();
for (var i = 0; i < palette.Count; i++)
{
var entry = new PaletteEntry(palette[i], i >= maxEntries)
{
Location = GetEntryPosition(i)
};
//if (i >= maxEntries)
Controls.Add(entry);
_entryIndexes.Add(entry, i);
var paletteColor = palette[i];
entry.MouseDown += (s, e) => { if (MouseOverColor != null)
{
MouseOverColor(new [] { paletteColor });
}
};
entry.MouseDown += (s, e) => { if (e.Button == MouseButtons.Left)
{
BeginDrag(entry);
}
};
}
if (MouseOverColor != null)
{
MouseOverColor(palette.ToArray());
}
Visible = true;
ResumeLayout();
Refresh();
var mouseEvents = new OsFeatures.GlobalMouseHandler();
Application.AddMessageFilter(mouseEvents);
mouseEvents.MouseMoved += MovedMouse;
mouseEvents.MouseUp += StopDragging;
ControlRemoved += (s, a) => Application.RemoveMessageFilter(mouseEvents);
}
private void BeginDrag(PaletteEntry entry)
{
if (!entry.PaletteColor.HasValue || !EnableEdit)
{
return;
}
_dragging = entry;
_dragOffset = Cursor.Position;
_dragIndex = _entryIndexes[entry];
Controls.SetChildIndex(_dragging, 0);
Debug.WriteLine("start drag");
}