fda7962d02
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@21840 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
93 lines
3.2 KiB
C++
93 lines
3.2 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: fontenum.h
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// Purpose: wxFontEnumerator class for getting available fonts
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// Author: Julian Smart, Vadim Zeitlin
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// Modified by: extended to enumerate more than just font facenames and works
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// not only on Windows now (VZ)
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// Created: 04/01/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart, Vadim Zeitlin
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_FONTENUM_H_
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#define _WX_FONTENUM_H_
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#if defined(__GNUG__) && !defined(__APPLE__)
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#pragma interface "fontenum.h"
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#endif
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#include "wx/fontenc.h"
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#include "wx/arrstr.h"
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// ----------------------------------------------------------------------------
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// wxFontEnumerator enumerates all available fonts on the system or only the
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// fonts with given attributes
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// ----------------------------------------------------------------------------
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class WXDLLEXPORT wxFontEnumerator
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{
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public:
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wxFontEnumerator() : m_Facenames(NULL), m_Encodings(NULL) { }
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// start enumerating font facenames (either all of them or those which
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// support the given encoding) - will result in OnFacename() being
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// called for each available facename (until they are exhausted or
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// OnFacename returns FALSE)
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virtual bool EnumerateFacenames
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(
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wxFontEncoding encoding = wxFONTENCODING_SYSTEM, // all
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bool fixedWidthOnly = FALSE
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);
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// enumerate the different encodings either for given font facename or for
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// all facenames - will result in OnFontEncoding() being called for each
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// available (facename, encoding) couple
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virtual bool EnumerateEncodings(const wxString& facename = wxEmptyString);
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// callbacks which are called after one of EnumerateXXX() functions from
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// above is invoked - all of them may return FALSE to stop enumeration or
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// TRUE to continue with it
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// called by EnumerateFacenames
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virtual bool OnFacename(const wxString& facename)
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{
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if (m_Facenames == NULL) m_Facenames = new wxArrayString;
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m_Facenames -> Add(facename);
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return TRUE;
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}
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// called by EnumerateEncodings
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virtual bool OnFontEncoding(const wxString& WXUNUSED(facename),
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const wxString& encoding)
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{
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if (m_Encodings == NULL) m_Encodings = new wxArrayString;
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m_Encodings -> Add(encoding);
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return TRUE;
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}
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// convenience function that returns array of facenames. Cannot be called
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// before EnumerateFacenames.
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wxArrayString *GetFacenames()
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{ return m_Facenames; }
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// convenience function that returns array of encodings.
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// Cannot be called before EnumerateEncodings.
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wxArrayString *GetEncodings()
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{ return m_Encodings; }
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// virtual dtor for the base class
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virtual ~wxFontEnumerator()
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{
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if (m_Facenames) delete m_Facenames;
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if (m_Encodings) delete m_Encodings;
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}
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private:
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wxArrayString *m_Facenames, *m_Encodings;
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DECLARE_NO_COPY_CLASS(wxFontEnumerator)
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};
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#endif // _WX_FONTENUM_H_
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