// override base control invalidate, and call it, and also pass the invalidate to the gl window control
// override this, so that we see all invalidations layouts to us and what child required it.
// then we just layout and size the child only, so the rest of them, unaffected by the way displaycontrol handles textures, do not get invalidated
// unless we see there is compound docking on, in which case we need to use a full PerformLayout
// may be called with null child, meaning its a remove/detach
// it may be called due to a property in displaycontrol changing (Font),
// and we check the vertex/positions/sizes to make sure everything is okay
private protected override void InvalidateLayout(GLBaseControl dueto)
{
//System.Diagnostics.Debug.WriteLine($"Display control invalidate layout due to {dueto?.Name} {suspendLayoutCount}");
glwin.Invalidate();
int docked = ControlsZ.Where(x => x.Dock >= DockingType.Left).Count(); // how many have a compound docking type
if (dueto == this || docked > 0) // if change due to display control property, or we have a docking sitation
{
PerformLayout(); // full layout on all children
}
else
{
if (dueto != null) // if not a remove, layout and size on child only
{
dueto.PerformLayoutAndSize();
}
}
UpdateVertexPositionsTextures(); // need to at least update vertexes, maybe textures
}