4db94043cb
Files correlati : Commento : Spostamento in libraries delle librerie esterne di Campo per una maggiore pulizia e organizzazione git-svn-id: svn://10.65.10.50/branches/R_10_00@24150 c028cbd2-c16b-5b4b-a496-9718f37d4682
132 lines
4.2 KiB
C++
132 lines
4.2 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/common/fontenumcmn.cpp
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// Purpose: wxFontEnumerator class
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 7/5/2006
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// RCS-ID: $Id: fontenumcmn.cpp 43727 2006-12-01 10:14:28Z VS $
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// Copyright: (c) 1999-2003 Vadim Zeitlin <vadim@wxwindows.org>
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#include "wx/fontenum.h"
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// ============================================================================
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// implementation
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// ============================================================================
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// A simple wxFontEnumerator which doesn't perform any filtering and
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// just returns all facenames and encodings found in the system
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class WXDLLEXPORT wxSimpleFontEnumerator : public wxFontEnumerator
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{
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public:
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wxSimpleFontEnumerator() { }
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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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m_arrFacenames.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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m_arrEncodings.Add(encoding);
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return true;
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}
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public:
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wxArrayString m_arrFacenames, m_arrEncodings;
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};
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/* static */
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wxArrayString wxFontEnumerator::GetFacenames(wxFontEncoding encoding, bool fixedWidthOnly)
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{
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wxSimpleFontEnumerator temp;
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temp.EnumerateFacenames(encoding, fixedWidthOnly);
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return temp.m_arrFacenames;
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}
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/* static */
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wxArrayString wxFontEnumerator::GetEncodings(const wxString& facename)
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{
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wxSimpleFontEnumerator temp;
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temp.EnumerateEncodings(facename);
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return temp.m_arrEncodings;
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}
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/* static */
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bool wxFontEnumerator::IsValidFacename(const wxString &facename)
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{
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// we cache the result of wxFontEnumerator::GetFacenames supposing that
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// the array of face names won't change in the session of this program
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static wxArrayString s_arr = wxFontEnumerator::GetFacenames();
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#ifdef __WXMSW__
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// Quoting the MSDN:
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// "MS Shell Dlg is a mapping mechanism that enables
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// U.S. English Microsoft Windows NT, and Microsoft Windows 2000 to
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// support locales that have characters that are not contained in code
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// page 1252. It is not a font but a face name for a nonexistent font."
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// Thus we need to consider "Ms Shell Dlg" and "Ms Shell Dlg 2" as valid
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// font face names even if they are enumerated by wxFontEnumerator
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if (facename.IsSameAs(wxT("Ms Shell Dlg"), false) ||
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facename.IsSameAs(wxT("Ms Shell Dlg 2"), false))
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return true;
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#endif
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// is given font face name a valid one ?
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if (s_arr.Index(facename, false) == wxNOT_FOUND)
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return false;
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return true;
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}
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#ifdef wxHAS_UTF8_FONTS
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bool wxFontEnumerator::EnumerateEncodingsUTF8(const wxString& facename)
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{
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// name of UTF-8 encoding: no need to use wxFontMapper for it as it's
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// unlikely to change
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const wxString utf8(_T("UTF-8"));
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// all fonts are in UTF-8 only if this code is used
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if ( !facename.empty() )
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{
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OnFontEncoding(facename, utf8);
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return true;
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}
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// so enumerating all facenames supporting this encoding is the same as
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// enumerating all facenames
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const wxArrayString facenames(GetFacenames(wxFONTENCODING_UTF8));
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const size_t count = facenames.size();
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if ( !count )
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return false;
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for ( size_t n = 0; n < count; n++ )
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{
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OnFontEncoding(facenames[n], utf8);
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}
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return true;
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}
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#endif // wxHAS_UTF8_FONTS
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