private static void DisableFormsForModalLoop(Queue toplevels, ApplicationContext context)
{
Form f;
lock (forms)
{
IEnumerator control = forms.GetEnumerator();
while (control.MoveNext())
{
f = (Form)control.Current;
// Don't disable the main form.
if (f == context.MainForm)
{
continue;
}
// Don't disable any children of the main form.
// These do not have to be MDI children.
Control current = f;
bool is_child_of_main = false;;
do
{
if (current.Parent == context.MainForm)
{
is_child_of_main = true;
break;
}
current = current.Parent;
}while (current != null);
if (is_child_of_main)
{
continue;
}
// Disable the rest
if (f.IsHandleCreated && XplatUI.IsEnabled(f.Handle))
{
#if DebugRunLoop
Console.WriteLine(" Disabling form {0}", f);
#endif
XplatUI.EnableWindow(f.Handle, false);
toplevels.Enqueue(f);
}
}
}
}
protected virtual bool HandleNCLButtonDown(ref Message m)
{
Activate();
start = Cursor.Position;
virtual_position = form.Bounds;
int x = Control.LowOrder((int)m.LParam.ToInt32());
int y = Control.HighOrder((int)m.LParam.ToInt32());
// Need to adjust because we are in NC land
NCPointToClient(ref x, ref y);
FormPos pos = FormPosForCoords(x, y);
if (form.ActiveMenu != null && XplatUI.IsEnabled(form.Handle))
{
MouseEventArgs mea = new MouseEventArgs(Form.FromParamToMouseButtons(m.WParam.ToInt32()), form.mouse_clicks, x, y - TitleBarHeight, 0);
form.ActiveMenu.OnMouseDown(form, mea);
}
if (pos == FormPos.TitleBar)
{
HandleTitleBarDown(x, y);
return(true);
}
if (IsSizable)
{
if ((pos & FormPos.AnyEdge) == 0)
{
return(false);
}
virtual_position = form.Bounds;
state = State.Sizing;
sizing_edge = pos;
form.Capture = true;
return(true);
}
return(false);
}
protected virtual bool HandleNCMouseMove(ref Message m)
{
int x = Control.LowOrder((int)m.LParam.ToInt32( ));
int y = Control.HighOrder((int)m.LParam.ToInt32( ));
NCPointToClient(ref x, ref y);
FormPos pos = FormPosForCoords(x, y);
if (pos == FormPos.TitleBar)
{
HandleTitleBarMouseMove(x, y);
return(true);
}
if (form.ActiveMenu != null && XplatUI.IsEnabled(form.Handle))
{
MouseEventArgs mea = new MouseEventArgs(Form.FromParamToMouseButtons(m.WParam.ToInt32()), form.mouse_clicks, x, y, 0);
form.ActiveMenu.OnMouseMove(form, mea);
}
return(true);
}
