wxWidgets/include/wx/persist/window.h
Vadim Zeitlin 0fa541e870 add support for persistent controls
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58529 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2009-01-30 21:38:29 +00:00

86 lines
2.3 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: wx/persist/window.h
// Purpose: wxPersistentWindow declaration
// Author: Vadim Zeitlin
// Created: 2009-01-23
// RCS-ID: $Id$
// Copyright: (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_PERSIST_WINDOW_H_
#define _WX_PERSIST_WINDOW_H_
#include "wx/persist.h"
#include "wx/window.h"
// ----------------------------------------------------------------------------
// wxPersistentWindow: base class for persistent windows, uses the window name
// as persistent name by default and automatically reacts
// to the window destruction
// ----------------------------------------------------------------------------
// type-independent part of wxPersistentWindow
class wxPersistentWindowBase :
#if wxEVENTS_COMPATIBILITY_2_8
// in compatibility mode we need to derive from wxEvtHandler to be able to
// handle events
public wxEvtHandler ,
#endif
public wxPersistentObject
{
public:
wxPersistentWindowBase(wxWindow *win)
: wxPersistentObject(win)
{
win->Connect
(
wxEVT_DESTROY,
wxWindowDestroyEventHandler(
wxPersistentWindowBase::HandleDestroy),
NULL,
this
);
}
virtual wxString GetName() const
{
const wxString name = GetWindow()->GetName();
wxASSERT_MSG( !name.empty(), "persistent windows should be named!" );
return name;
}
protected:
wxWindow *GetWindow() const { return static_cast<wxWindow *>(GetObject()); }
private:
void HandleDestroy(wxWindowDestroyEvent& event)
{
event.Skip();
// this will delete this object itself
wxPersistenceManager::Get().SaveAndUnregister(GetWindow());
}
DECLARE_NO_COPY_CLASS(wxPersistentWindowBase)
};
template <class T>
class wxPersistentWindow : public wxPersistentWindowBase
{
public:
typedef T WindowType;
wxPersistentWindow(WindowType *win)
: wxPersistentWindowBase(win)
{
}
WindowType *Get() const { return static_cast<WindowType *>(GetWindow()); }
};
#endif // _WX_PERSIST_WINDOW_H_