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/////////////////////////////////////////////////////////////////////////////
// Name: fontenum.h
// Purpose: wxFontEnumerator class for getting available fonts
// Author: Julian Smart, Vadim Zeitlin
// Modified by: extended to enumerate more than just font facenames and works
// not only on Windows now (VZ)
// Created: 04/01/98
// RCS-ID: $Id: fontenum.h,v 1.8 1999/11/06 15:37:01 VS Exp $
// Copyright: (c) Julian Smart, Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_FONTENUM_H_
#define _WX_FONTENUM_H_
#ifdef __GNUG__
#pragma interface "fontenum.h"
#endif
#include "wx/font.h"
// ----------------------------------------------------------------------------
// wxFontEnumerator enumerates all available fonts on the system or only the
// fonts with given attributes
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxFontEnumerator
{
public:
wxFontEnumerator() : m_Facenames(NULL), m_Encodings(NULL) { }
// start enumerating font facenames (either all of them or those which
// support the given encoding) - will result in OnFacename() being
// called for each available facename (until they are exhausted or
// OnFacename returns FALSE)
virtual bool EnumerateFacenames
(
wxFontEncoding encoding = wxFONTENCODING_SYSTEM, // all
bool fixedWidthOnly = FALSE
);
// enumerate the different encodings either for given font facename or for
// all facenames - will result in OnFontEncoding() being called for each
// available (facename, encoding) couple
virtual bool EnumerateEncodings(const wxString& facename = wxT(""));
// callbacks which are called after one of EnumerateXXX() functions from
// above is invoked - all of them may return FALSE to stop enumeration or
// TRUE to continue with it
// called by EnumerateFacenames
virtual bool OnFacename(const wxString& facename)
{
if (m_Facenames == NULL) m_Facenames = new wxArrayString;
m_Facenames -> Add(facename);
return TRUE;
}
// called by EnumerateEncodings
virtual bool OnFontEncoding(const wxString& WXUNUSED(facename),
const wxString& encoding)
{
if (m_Encodings == NULL) m_Encodings = new wxArrayString;
m_Encodings -> Add(encoding);
return TRUE;
}
// convenience function that returns array of facenames. Cannot be called
// before EnumerateFacenames.
wxArrayString *GetFacenames()
{ return m_Facenames; }
// convenience function that returns array of encodings.
// Cannot be called before EnumerateEncodings.
wxArrayString *GetEncodings()
{ return m_Encodings; }
// virtual dtor for the base class
virtual ~wxFontEnumerator()
{
if (m_Facenames) delete m_Facenames;
if (m_Encodings) delete m_Encodings;
}
private:
wxArrayString *m_Facenames, *m_Encodings;
};
#endif // _WX_FONTENUM_H_
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