bbcdf8bc7c
plus wxTreeCtrl::EditLabel/EndEditLabel, dialog editor stuff, wxMSW header changes, doc changes. Sorry about the quantity :-( git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@468 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: gdiobj.h
|
|
// Purpose: wxGDIObject class: base class for other GDI classes
|
|
// Author: Julian Smart
|
|
// Modified by:
|
|
// Created: 01/02/97
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) Julian Smart
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef _WX_GDIOBJ_H_
|
|
#define _WX_GDIOBJ_H_
|
|
|
|
#include "wx/object.h"
|
|
|
|
#ifdef __GNUG__
|
|
#pragma interface "gdiobj.h"
|
|
#endif
|
|
|
|
// wxGDIRefData is the reference-counted data part of a GDI object.
|
|
// It contains another counter, m_usageCount, which counts the number
|
|
// of times this object has been used; e.g. in SetFont, the count
|
|
// is incremented. This is different from reference counting,
|
|
// where only the constructors, destructors and (un)clone operations
|
|
// affect the reference count.
|
|
// THIS IS NOW BEING REMOVED AS REDUNDANT AND ERROR-PRONE
|
|
|
|
class WXDLLEXPORT wxGDIRefData: public wxObjectRefData {
|
|
public:
|
|
inline wxGDIRefData(void)
|
|
{
|
|
}
|
|
};
|
|
|
|
#define M_GDIDATA ((wxGDIRefData *)m_refData)
|
|
|
|
class WXDLLEXPORT wxGDIObject: public wxObject
|
|
{
|
|
DECLARE_DYNAMIC_CLASS(wxGDIObject)
|
|
public:
|
|
inline wxGDIObject(void) { m_visible = FALSE; };
|
|
inline ~wxGDIObject(void) {};
|
|
|
|
// Creates the resource
|
|
virtual bool RealizeResource(void) { return FALSE; };
|
|
|
|
// Frees the resource
|
|
virtual bool FreeResource(bool WXUNUSED(force) = FALSE) { return FALSE; };
|
|
|
|
virtual bool IsFree(void) { return FALSE; };
|
|
|
|
inline bool IsNull(void) const { return (m_refData == 0); }
|
|
|
|
// Returns handle.
|
|
virtual WXHANDLE GetResourceHandle(void) { return 0; }
|
|
|
|
virtual bool GetVisible(void) { return m_visible; }
|
|
virtual void SetVisible(bool v) { m_visible = v; }
|
|
|
|
protected:
|
|
bool m_visible; // Can a pointer to this object be safely taken?
|
|
// - only if created within FindOrCreate...
|
|
};
|
|
|
|
#endif
|
|
// _WX_GDIOBJ_H_
|