/// <summary> Reassign a callback to a new widget. </summary>
/// <param name="oldWidget"> The widget a calback is currently assigned to. <see cref="IntPtr"/> </param>
/// <param name="newWidget"> The widget a callback should be reassigned to. <see cref="IntPtr"/> </param>
public static void Reassign(IntPtr oldWidget, IntPtr newWidget)
{
// Complete function code is an extension for Motif.
// Motif menu bars and menus assign "XmNsimpleCallback" at a moment, the widget ID is not known to the caller.
if (_list.ContainsKey(oldWidget))
{
XtCallbackProc callback = _list[oldWidget];
_list.Remove(oldWidget);
_list.Add(newWidget, callback);
}
else
{
Console.WriteLine(CLASS_NAME + "::Reassign () WARNING: newWidget pointer was not registered.");
}
}
// ###############################################################################
// ### M E T H O D S
// ###############################################################################
#region Methods
/// <summary> Add a widget specific callback registration. </summary>
/// <param name="widget"> The widget to register the callback for. <see cref="System.IntPtr"/> </param>
/// <param name="callback"> The callback to execute. <see cref="XtCallbackProc"/> </param>
/// <returns> The managed code to native code marshalable generic callback procedure. <see cref="System.IntPtr"/> </returns>
public static IntPtr Add(IntPtr widget, XtCallbackProc callback)
{
if (widget == IntPtr.Zero)
{
Console.WriteLine(CLASS_NAME + "::Add () WARNING: Widget is zero.");
}
if (callback == null)
{
Console.WriteLine(CLASS_NAME + "::Add () WARNING: Callback is zero.");
}
if (_list.ContainsKey(widget))
{
// Debug code.
Console.WriteLine(CLASS_NAME + "::Add() WARNING: Callback already registered for widget (" + Xtlib.XtNameAsString(widget) + "). Perform refresh.");
_list[widget] = callback;
}
else
{
_list.Add(widget, callback);
}
return(_callbackPtr);
}
