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