private static Control _ParentContains(Control control, PointF mousePosition, Control currentControl, ref bool ok)
{
//Application.Log(control.Name);
if (control == null || control.Parent == null)
{
return(currentControl);
}
var parentLocation = control.Parent.PointToScreen(global::UWinForms.System.Drawing.Point.Empty);
var parentRect = new global::UWinForms.System.Drawing.RectangleF(parentLocation.X, parentLocation.Y, control.Parent.Width, control.Parent.Height);
if (parentRect.Contains(mousePosition) == true)
{
currentControl = control.Parent;
}
else
{
ok = false; // Control is not visible due to groups;
}
return(_ParentContains(control.Parent, mousePosition, currentControl, ref ok));
}
private static bool _ProcessControl(PointF mousePosition, Control control, bool ignore_rect)
{
// ignore_rect will call mouse_up & mouse_move in any case.
var c_location = control.PointToScreen(global::UWinForms.System.Drawing.Point.Empty);
var clientRect = new global::UWinForms.System.Drawing.RectangleF(c_location.X, c_location.Y, control.Width, control.Height);
var contains = clientRect.Contains(mousePosition);
if (contains && (mouseEvent == MouseEvents.Down) || mouseEvent == MouseEvents.Up)
{
if (control.Parent != null)
{
bool ok = true;
var clickedControl = _ParentContains(control, mousePosition, control, ref ok);
if (clickedControl != null && ok == false)
{
control = clickedControl;
}
}
}
if (ignore_rect || contains)
{
var client_mpos = control.PointToClient(new Point((int)mousePosition.X, (int)mousePosition.Y));
if (mousePositionChanged)
{
if (dragData != null)
{
dragndrop = true;
}
}
if (!contains && mouseEvent != MouseEvents.Up)
{
return(true);
}
switch (mouseEvent)
{
case MouseEvents.Down:
var md_args = new MouseEventArgs(mouseButton, 1, (int)client_mpos.X, (int)client_mpos.Y, 0);
control.RaiseOnMouseDown(md_args);
mouseLastClickControl = control;
return(true);
case MouseEvents.Up:
if (dragndrop)
{
if (control.AllowDrop)
{
DataObject dnd_data = new DataObject(dragData);
DragEventArgs dnd_args = new DragEventArgs(dnd_data, 0, (int)client_mpos.X, (int)client_mpos.Y, DragDropEffects.None, dragControlEffects);
control.RaiseOnDragDrop(dnd_args);
}
dragData = null;
dragndrop = false;
return(true);
}
var mu_args = new MouseEventArgs(mouseButton, 1, (int)client_mpos.X, (int)client_mpos.Y, 0);
control.RaiseOnMouseUp(mu_args);
if (mouseLastClickControl == control)
{
control.RaiseOnMouseClick(mu_args);
}
if (mouseLastClickControl != null && control != mouseLastClickControl)
{
mouseLastClickControl.RaiseOnMouseUp(mu_args);
}
return(true);
case MouseEvents.DoubleClick:
var mdc_args = new MouseEventArgs(mouseButton, 2, (int)client_mpos.X, (int)client_mpos.Y, 0);
control.RaiseOnMouseDoubleClick(mdc_args);
return(true);
case MouseEvents.Wheel:
var mw_args = new MouseEventArgs(MouseButtons.Middle, 0, (int)client_mpos.X, (int)client_mpos.Y, (int)(-mouseWheelDelta * 4));
control.RaiseOnMouseWheel(mw_args);
return(true);
}
}
if (!contains)
{
control.RaiseOnMouseLeave(null);
}
return(false);
}