/////////////////////////////////////////////////////////////////////////////
-// Name: common/fontmap.cpp
+// Name: src/common/fontmap.cpp
// Purpose: wxFontMapper class
// Author: Vadim Zeitlin
// Modified by:
// Created: 04.11.99
// RCS-ID: $Id$
-// Copyright: (c) Vadim Zeitlin
-// Licence: wxWindows license
+// Copyright: (c) 1999-2003 Vadim Zeitlin <vadim@wxwindows.org>
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma implementation "fontmap.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#pragma hdrstop
#endif
+#if wxUSE_FONTMAP
+
+#include "wx/fontmap.h"
+
#ifndef WX_PRECOMP
#include "wx/app.h"
#include "wx/log.h"
#include "wx/intl.h"
+ #include "wx/msgdlg.h"
+ #include "wx/choicdlg.h"
#endif // PCH
-#include "wx/fontmap.h"
-
#if wxUSE_CONFIG
#include "wx/config.h"
- #include "wx/memconf.h"
+#endif // wxUSE_CONFIG
+
+#if defined(__WXMSW__)
+ #include "wx/msw/private.h" // includes windows.h for LOGFONT
+ #include "wx/msw/winundef.h"
#endif
-#if wxUSE_GUI
- #include "wx/fontutil.h"
- #include "wx/msgdlg.h"
- #include "wx/fontdlg.h"
- #include "wx/choicdlg.h"
-#endif // wxUSE_GUI
+#include "wx/fmappriv.h"
+#include "wx/fontutil.h"
+#include "wx/fontdlg.h"
+#include "wx/encinfo.h"
#include "wx/encconv.h"
+#if wxUSE_EXTENDED_RTTI
+
+wxBEGIN_ENUM( wxFontEncoding )
+ wxENUM_MEMBER( wxFONTENCODING_SYSTEM )
+ wxENUM_MEMBER( wxFONTENCODING_DEFAULT )
+
+ wxENUM_MEMBER( wxFONTENCODING_ISO8859_1 )
+ wxENUM_MEMBER( wxFONTENCODING_ISO8859_2 )
+ wxENUM_MEMBER( wxFONTENCODING_ISO8859_3 )
+ wxENUM_MEMBER( wxFONTENCODING_ISO8859_4 )
+ wxENUM_MEMBER( wxFONTENCODING_ISO8859_5 )
+ wxENUM_MEMBER( wxFONTENCODING_ISO8859_6 )
+ wxENUM_MEMBER( wxFONTENCODING_ISO8859_7 )
+ wxENUM_MEMBER( wxFONTENCODING_ISO8859_8 )
+ wxENUM_MEMBER( wxFONTENCODING_ISO8859_9 )
+ wxENUM_MEMBER( wxFONTENCODING_ISO8859_10 )
+ wxENUM_MEMBER( wxFONTENCODING_ISO8859_11 )
+ wxENUM_MEMBER( wxFONTENCODING_ISO8859_12 )
+ wxENUM_MEMBER( wxFONTENCODING_ISO8859_13 )
+ wxENUM_MEMBER( wxFONTENCODING_ISO8859_14 )
+ wxENUM_MEMBER( wxFONTENCODING_ISO8859_15 )
+ wxENUM_MEMBER( wxFONTENCODING_ISO8859_MAX )
+ wxENUM_MEMBER( wxFONTENCODING_KOI8 )
+ wxENUM_MEMBER( wxFONTENCODING_KOI8_U )
+ wxENUM_MEMBER( wxFONTENCODING_ALTERNATIVE )
+ wxENUM_MEMBER( wxFONTENCODING_BULGARIAN )
+ wxENUM_MEMBER( wxFONTENCODING_CP437 )
+ wxENUM_MEMBER( wxFONTENCODING_CP850 )
+ wxENUM_MEMBER( wxFONTENCODING_CP852 )
+ wxENUM_MEMBER( wxFONTENCODING_CP855 )
+ wxENUM_MEMBER( wxFONTENCODING_CP866 )
+
+ wxENUM_MEMBER( wxFONTENCODING_CP874 )
+ wxENUM_MEMBER( wxFONTENCODING_CP932 )
+ wxENUM_MEMBER( wxFONTENCODING_CP936 )
+ wxENUM_MEMBER( wxFONTENCODING_CP949 )
+ wxENUM_MEMBER( wxFONTENCODING_CP950 )
+ wxENUM_MEMBER( wxFONTENCODING_CP1250 )
+ wxENUM_MEMBER( wxFONTENCODING_CP1251 )
+ wxENUM_MEMBER( wxFONTENCODING_CP1252 )
+ wxENUM_MEMBER( wxFONTENCODING_CP1253 )
+ wxENUM_MEMBER( wxFONTENCODING_CP1254 )
+ wxENUM_MEMBER( wxFONTENCODING_CP1255 )
+ wxENUM_MEMBER( wxFONTENCODING_CP1256 )
+ wxENUM_MEMBER( wxFONTENCODING_CP1257 )
+ wxENUM_MEMBER( wxFONTENCODING_CP12_MAX )
+ wxENUM_MEMBER( wxFONTENCODING_UTF7 )
+ wxENUM_MEMBER( wxFONTENCODING_UTF8 )
+ wxENUM_MEMBER( wxFONTENCODING_GB2312 )
+ wxENUM_MEMBER( wxFONTENCODING_BIG5 )
+ wxENUM_MEMBER( wxFONTENCODING_SHIFT_JIS )
+ wxENUM_MEMBER( wxFONTENCODING_EUC_JP )
+ wxENUM_MEMBER( wxFONTENCODING_UNICODE )
+wxEND_ENUM( wxFontEncoding )
+#endif
+
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// the config paths we use
-static const wxChar* FONTMAPPER_ROOT_PATH = wxT("/wxWindows/FontMapper");
-static const wxChar* FONTMAPPER_CHARSET_PATH = wxT("Charsets");
-static const wxChar* FONTMAPPER_CHARSET_ALIAS_PATH = wxT("Aliases");
-#if wxUSE_GUI
- static const wxChar* FONTMAPPER_FONT_FROM_ENCODING_PATH = wxT("Encodings");
-#endif // wxUSE_GUI
-
-// encodings supported by GetEncodingDescription
-static wxFontEncoding gs_encodings[] =
-{
- wxFONTENCODING_ISO8859_1,
- wxFONTENCODING_ISO8859_2,
- wxFONTENCODING_ISO8859_3,
- wxFONTENCODING_ISO8859_4,
- wxFONTENCODING_ISO8859_5,
- wxFONTENCODING_ISO8859_6,
- wxFONTENCODING_ISO8859_7,
- wxFONTENCODING_ISO8859_8,
- wxFONTENCODING_ISO8859_9,
- wxFONTENCODING_ISO8859_10,
- wxFONTENCODING_ISO8859_11,
- wxFONTENCODING_ISO8859_12,
- wxFONTENCODING_ISO8859_13,
- wxFONTENCODING_ISO8859_14,
- wxFONTENCODING_ISO8859_15,
- wxFONTENCODING_KOI8,
- wxFONTENCODING_CP1250,
- wxFONTENCODING_CP1251,
- wxFONTENCODING_CP1252,
- wxFONTENCODING_CP1253,
- wxFONTENCODING_CP1254,
- wxFONTENCODING_CP1255,
- wxFONTENCODING_CP1256,
- wxFONTENCODING_CP1257,
- wxFONTENCODING_CP437,
- wxFONTENCODING_UTF7,
- wxFONTENCODING_UTF8,
-};
-
-// the descriptions for them
-static const wxChar* gs_encodingDescs[] =
-{
- wxTRANSLATE( "Western European (ISO-8859-1)" ),
- wxTRANSLATE( "Central European (ISO-8859-2)" ),
- wxTRANSLATE( "Esperanto (ISO-8859-3)" ),
- wxTRANSLATE( "Baltic (old) (ISO-8859-4)" ),
- wxTRANSLATE( "Cyrillic (ISO-8859-5)" ),
- wxTRANSLATE( "Arabic (ISO-8859-6)" ),
- wxTRANSLATE( "Greek (ISO-8859-7)" ),
- wxTRANSLATE( "Hebrew (ISO-8859-8)" ),
- wxTRANSLATE( "Turkish (ISO-8859-9)" ),
- wxTRANSLATE( "Nordic (ISO-8859-10)" ),
- wxTRANSLATE( "Thai (ISO-8859-11)" ),
- wxTRANSLATE( "Indian (ISO-8859-12)" ),
- wxTRANSLATE( "Baltic (ISO-8859-13)" ),
- wxTRANSLATE( "Celtic (ISO-8859-14)" ),
- wxTRANSLATE( "Western European with Euro (ISO-8859-15)" ),
- wxTRANSLATE( "KOI8-R" ),
- wxTRANSLATE( "Windows Central European (CP 1250)" ),
- wxTRANSLATE( "Windows Cyrillic (CP 1251)" ),
- wxTRANSLATE( "Windows Western European (CP 1252)" ),
- wxTRANSLATE( "Windows Greek (CP 1253)" ),
- wxTRANSLATE( "Windows Turkish (CP 1254)" ),
- wxTRANSLATE( "Windows Hebrew (CP 1255)" ),
- wxTRANSLATE( "Windows Arabic (CP 1256)" ),
- wxTRANSLATE( "Windows Baltic (CP 1257)" ),
- wxTRANSLATE( "Windows/DOS OEM (CP 437)" ),
- wxTRANSLATE( "Unicode 7 bit (UTF-7)" ),
- wxTRANSLATE( "Unicode 8 bit (UTF-8)" ),
-};
-
-// and the internal names
-static const wxChar* gs_encodingNames[] =
-{
- wxT( "iso8859-1" ),
- wxT( "iso8859-2" ),
- wxT( "iso8859-3" ),
- wxT( "iso8859-4" ),
- wxT( "iso8859-5" ),
- wxT( "iso8859-6" ),
- wxT( "iso8859-7" ),
- wxT( "iso8859-8" ),
- wxT( "iso8859-9" ),
- wxT( "iso8859-10" ),
- wxT( "iso8859-11" ),
- wxT( "iso8859-12" ),
- wxT( "iso8859-13" ),
- wxT( "iso8859-14" ),
- wxT( "iso8859-15" ),
- wxT( "koi8-r" ),
- wxT( "windows-1250" ),
- wxT( "windows-1251" ),
- wxT( "windows-1252" ),
- wxT( "windows-1253" ),
- wxT( "windows-1254" ),
- wxT( "windows-1255" ),
- wxT( "windows-1256" ),
- wxT( "windows-1257" ),
- wxT( "windows-437" ),
- wxT( "utf7" ),
- wxT( "utf8" ),
-};
-
-// ----------------------------------------------------------------------------
-// global data
-// ----------------------------------------------------------------------------
+#if wxUSE_CONFIG
-// private object
-static wxFontMapper gs_fontMapper;
+static const wxChar* FONTMAPPER_FONT_FROM_ENCODING_PATH = wxT("Encodings");
+static const wxChar* FONTMAPPER_FONT_DONT_ASK = wxT("none");
-// and public pointer
-wxFontMapper * wxTheFontMapper = &gs_fontMapper;
+#endif // wxUSE_CONFIG
// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------
-// change the config path during the lifetime of this object
-class wxFontMapperPathChanger
+// it may happen that while we're showing a dialog asking the user about
+// something, another request for an encoding mapping arrives: in this case it
+// is best to not do anything because otherwise we risk to enter an infinite
+// loop so we create an object of this class on stack to test for this in all
+// interactive functions
+class ReentrancyBlocker
{
public:
- wxFontMapperPathChanger(wxFontMapper *fontMapper, const wxString& path)
- {
- m_fontMapper = fontMapper;
- m_ok = m_fontMapper->ChangePath(path, &m_pathOld);
- }
-
- bool IsOk() const { return m_ok; }
-
- ~wxFontMapperPathChanger()
- {
- if ( IsOk() )
- m_fontMapper->RestorePath(m_pathOld);
- }
+ ReentrancyBlocker(bool& flag) : m_flagOld(flag), m_flag(flag)
+ { m_flag = true; }
+ ~ReentrancyBlocker() { m_flag = m_flagOld; }
private:
- wxFontMapper *m_fontMapper;
- bool m_ok;
- wxString m_pathOld;
+ bool m_flagOld;
+ bool& m_flag;
+
+ DECLARE_NO_COPY_CLASS(ReentrancyBlocker)
};
// ============================================================================
wxFontMapper::wxFontMapper()
{
-#if wxUSE_CONFIG
- m_config = NULL;
-#endif // wxUSE_CONFIG
-
-#if wxUSE_GUI
m_windowParent = NULL;
-#endif // wxUSE_GUI
}
wxFontMapper::~wxFontMapper()
{
}
-// ----------------------------------------------------------------------------
-// customisation
-// ----------------------------------------------------------------------------
-
-#if wxUSE_CONFIG
-
-/* static */ const wxChar *wxFontMapper::GetDefaultConfigPath()
-{
- return FONTMAPPER_ROOT_PATH;
-}
-
-void wxFontMapper::SetConfigPath(const wxString& prefix)
-{
- wxCHECK_RET( !prefix.IsEmpty() && prefix[0] == wxCONFIG_PATH_SEPARATOR,
- wxT("an absolute path should be given to wxFontMapper::SetConfigPath()") );
-
- m_configRootPath = prefix;
-}
-
-// ----------------------------------------------------------------------------
-// get config object and path for it
-// ----------------------------------------------------------------------------
-
-wxConfigBase *wxFontMapper::GetConfig()
-{
- if ( !m_config )
- {
- // try the default
- m_config = wxConfig::Get(FALSE /*don't create on demand*/ );
-
- if ( !m_config )
- {
- // we still want to have a config object because otherwise we would
- // keep asking the user the same questions in the interactive mode,
- // so create a dummy config which won't write to any files/registry
- // but will allow us to remember the results of the questions at
- // least during this run
- m_config = new wxMemoryConfig;
- wxConfig::Set(m_config);
- }
- }
-
- return m_config;
-}
-
-const wxString& wxFontMapper::GetConfigPath()
-{
- if ( !m_configRootPath )
- {
- // use the default
- m_configRootPath = GetDefaultConfigPath();
- }
-
- return m_configRootPath;
-}
-#endif
-
-bool wxFontMapper::ChangePath(const wxString& pathNew, wxString *pathOld)
-{
-#if wxUSE_CONFIG
- wxConfigBase *config = GetConfig();
- if ( !config )
- return FALSE;
-
- *pathOld = config->GetPath();
-
- wxString path = GetConfigPath();
- if ( path.IsEmpty() || path.Last() != wxCONFIG_PATH_SEPARATOR )
- {
- path += wxCONFIG_PATH_SEPARATOR;
- }
-
- wxASSERT_MSG( !pathNew || (pathNew[0] != wxCONFIG_PATH_SEPARATOR),
- wxT("should be a relative path") );
-
- path += pathNew;
-
- config->SetPath(path);
-
- return TRUE;
-#else
- return FALSE;
-#endif
-}
-
-void wxFontMapper::RestorePath(const wxString& pathOld)
-{
-#if wxUSE_CONFIG
- GetConfig()->SetPath(pathOld);
-#else
-#endif
-}
-
-// ----------------------------------------------------------------------------
-// charset/encoding correspondence
-// ----------------------------------------------------------------------------
-
-/* static */
-wxString wxFontMapper::GetEncodingDescription(wxFontEncoding encoding)
-{
- if ( encoding == wxFONTENCODING_DEFAULT )
- {
- return _("Default encoding");
- }
-
- size_t count = WXSIZEOF(gs_encodingDescs);
-
- wxASSERT_MSG( count == WXSIZEOF(gs_encodings),
- wxT("inconsitency detected - forgot to update one of the arrays?") );
-
- for ( size_t i = 0; i < count; i++ )
- {
- if ( gs_encodings[i] == encoding )
- {
- return wxGetTranslation(gs_encodingDescs[i]);
- }
- }
-
- wxString str;
- str.Printf(_("Unknown encoding (%d)"), encoding);
-
- return str;
-}
-
/* static */
-wxString wxFontMapper::GetEncodingName(wxFontEncoding encoding)
+wxFontMapper *wxFontMapper::Get()
{
- if ( encoding == wxFONTENCODING_DEFAULT )
- {
- return _("default");
- }
-
- size_t count = WXSIZEOF(gs_encodingNames);
-
- wxASSERT_MSG( count == WXSIZEOF(gs_encodings),
- wxT("inconsistency detected - forgot to update one of the arrays?") );
-
- for ( size_t i = 0; i < count; i++ )
- {
- if ( gs_encodings[i] == encoding )
- {
- return wxGetTranslation(gs_encodingNames[i]);
- }
- }
-
- wxString str;
- str.Printf(_("unknown-%d"), encoding);
-
- return str;
+ wxFontMapperBase *fontmapper = wxFontMapperBase::Get();
+ wxASSERT_MSG( !fontmapper->IsDummy(),
+ wxT("GUI code requested a wxFontMapper but we only have a wxFontMapperBase.") );
+
+ // Now return it anyway because there's a chance the GUI code might just
+ // only want to call wxFontMapperBase functions and it's better than
+ // crashing by returning NULL
+ return (wxFontMapper *)fontmapper;
}
-wxFontEncoding wxFontMapper::CharsetToEncoding(const wxString& charset,
- bool interactive)
+wxFontEncoding
+wxFontMapper::CharsetToEncoding(const wxString& charset, bool interactive)
{
- wxFontEncoding encoding = wxFONTENCODING_SYSTEM;
-
- // we're going to modify it, make a copy
- wxString cs = charset;
-
-#if wxUSE_CONFIG
- // first try the user-defined settings
- wxString pathOld;
- if ( ChangePath(FONTMAPPER_CHARSET_PATH, &pathOld) )
- {
- wxConfigBase *config = GetConfig();
+ // try the ways not needing the users intervention first
+ int encoding = wxFontMapperBase::NonInteractiveCharsetToEncoding(charset);
- // do we have an encoding for this charset?
- long value = config->Read(charset, -1l);
- if ( value != -1 )
- {
- if ( value >= 0 && value <= wxFONTENCODING_MAX )
- {
- encoding = (wxFontEncoding)value;
- }
- else
- {
- wxLogDebug(wxT("corrupted config data: invalid encoding %ld for charset '%s' ignored"),
- value, charset.c_str());
- }
- }
-
- if ( encoding == wxFONTENCODING_SYSTEM )
- {
- // may be we have an alias?
- config->SetPath(FONTMAPPER_CHARSET_ALIAS_PATH);
-
- wxString alias = config->Read(charset);
- if ( !!alias )
- {
- // yes, we do - use it instead
- cs = alias;
- }
- }
-
- RestorePath(pathOld);
- }
-#endif
-
- // if didn't find it there, try to recognize it ourselves
- if ( encoding == wxFONTENCODING_SYSTEM )
+ // if we failed to find the encoding, ask the user -- unless disabled
+ if ( encoding == wxFONTENCODING_UNKNOWN )
{
- // trim any spaces
- cs.Trim(TRUE);
- cs.Trim(FALSE);
-
- // discard the optional quotes
- if ( !!cs )
- {
- if ( cs[0u] == _T('"') && cs.Last() == _T('"') )
- {
- cs = wxString(cs.c_str(), cs.length() - 1);
- }
- }
-
- cs.MakeUpper();
-
- if ( !cs || cs == wxT("US-ASCII") )
- {
- encoding = wxFONTENCODING_DEFAULT;
- }
- else if ( cs == wxT("UTF-7") )
- {
- encoding = wxFONTENCODING_UTF7;
- }
- else if ( cs == wxT("UTF-8") )
- {
- encoding = wxFONTENCODING_UTF8;
- }
- else if ( cs == wxT("KOI8-R") ||
- cs == wxT("KOI8-U") ||
- cs == wxT("KOI8-RU") )
- {
- // although koi8-ru is not strictly speaking the same as koi8-r,
- // they are similar enough to make mapping it to koi8 better than
- // not reckognizing it at all
- encoding = wxFONTENCODING_KOI8;
- }
- else if ( cs.Left(3) == wxT("ISO") )
- {
- // the dash is optional (or, to be exact, it is not, but
- // several brokenmails "forget" it)
- const wxChar *p = cs.c_str() + 3;
- if ( *p == wxT('-') )
- p++;
-
- unsigned int value;
- if ( wxSscanf(p, wxT("8859-%u"), &value) == 1 )
- {
- if ( value < wxFONTENCODING_ISO8859_MAX -
- wxFONTENCODING_ISO8859_1 )
- {
- // it's a valid ISO8859 encoding
- value += wxFONTENCODING_ISO8859_1 - 1;
- encoding = (wxFontEncoding)value;
- }
- }
- }
- else // check for Windows charsets
- {
- size_t len;
- if ( cs.Left(7) == wxT("WINDOWS") )
- {
- len = 7;
- }
- else if ( cs.Left(2) == wxT("CP") )
- {
- len = 2;
- }
- else // not a Windows encoding
- {
- len = 0;
- }
-
- if ( len )
- {
- const wxChar *p = cs.c_str() + len;
- if ( *p == wxT('-') )
- p++;
-
- int value;
- if ( wxSscanf(p, wxT("%u"), &value) == 1 )
- {
- if ( value >= 1250 )
- {
- value -= 1250;
- if ( value < wxFONTENCODING_CP12_MAX -
- wxFONTENCODING_CP1250 )
- {
- // a valid Windows code page
- value += wxFONTENCODING_CP1250;
- encoding = (wxFontEncoding)value;
- }
- }
- }
- }
- }
- //else: unknown
+ // this is the special value which disables asking the user (he had
+ // chosen to suppress this the last time)
+ encoding = wxFONTENCODING_SYSTEM;
}
-
-#if wxUSE_GUI
- // if still no luck, ask the user - unless disabled
- if ( (encoding == wxFONTENCODING_SYSTEM) && interactive )
+#if wxUSE_CHOICEDLG
+ else if ( (encoding == wxFONTENCODING_SYSTEM) && interactive )
{
// prepare the dialog data
// the message
wxString msg;
- msg.Printf(_("The charset '%s' is unknown. You may select\nanother charset to replace it with or choose\n[Cancel] if it cannot be replaced"), charset.c_str());
+ msg.Printf(_("The charset '%s' is unknown. You may select\nanother charset to replace it with or choose\n[Cancel] if it cannot be replaced"), charset);
// the list of choices
- size_t count = WXSIZEOF(gs_encodingDescs);
-
- wxASSERT_MSG( count == WXSIZEOF(gs_encodings),
- wxT("inconsitency detected - forgot to update one of the arrays?") );
+ const size_t count = GetSupportedEncodingsCount();
wxString *encodingNamesTranslated = new wxString[count];
for ( size_t i = 0; i < count; i++ )
{
- encodingNamesTranslated[i] = wxGetTranslation(gs_encodingDescs[i]);
+ encodingNamesTranslated[i] = GetEncodingDescription(GetEncoding(i));
}
// the parent window
if ( n != -1 )
{
- encoding = gs_encodings[n];
+ encoding = GetEncoding(n);
+ }
-#if wxUSE_CONFIG
+#if wxUSE_CONFIG && wxUSE_FILECONFIG
// save the result in the config now
- if ( ChangePath(FONTMAPPER_CHARSET_PATH, &pathOld) )
- {
- wxConfigBase *config = GetConfig();
-
- // remember the alt encoding for this charset
- if ( !config->Write(charset, (long)encoding) )
- {
- wxLogError(_("Failed to remember the encoding for the charset '%s'."), charset.c_str());
- }
+ wxFontMapperPathChanger path(this, FONTMAPPER_CHARSET_PATH);
+ if ( path.IsOk() )
+ {
+ wxConfigBase *config = GetConfig();
- RestorePath(pathOld);
+ // remember the alt encoding for this charset -- or remember that
+ // we don't know it
+ long value = n == -1 ? (long)wxFONTENCODING_UNKNOWN : (long)encoding;
+ if ( !config->Write(charset, value) )
+ {
+ wxLogError(_("Failed to remember the encoding for the charset '%s'."), charset);
}
-#endif // wxUSE_CONFIG
}
- //else: cancelled
+#endif // wxUSE_CONFIG
}
-#endif // wxUSE_GUI
+#else
+ wxUnusedVar(interactive);
+#endif // wxUSE_CHOICEDLG
- return encoding;
+ return (wxFontEncoding)encoding;
}
// ----------------------------------------------------------------------------
// correspond to which is used by GetFontForEncoding() function
// ----------------------------------------------------------------------------
-#if wxUSE_GUI
-
bool wxFontMapper::TestAltEncoding(const wxString& configEntry,
wxFontEncoding encReplacement,
wxNativeEncodingInfo *info)
if ( wxGetNativeFontEncoding(encReplacement, info) &&
wxTestFontEncoding(*info) )
{
-#if wxUSE_CONFIG
+#if wxUSE_CONFIG && wxUSE_FILECONFIG
// remember the mapping in the config
wxFontMapperPathChanger path(this, FONTMAPPER_FONT_FROM_ENCODING_PATH);
{
GetConfig()->Write(configEntry, info->ToString());
}
+#else
+ wxUnusedVar(configEntry);
#endif // wxUSE_CONFIG
- return TRUE;
+ return true;
}
- return FALSE;
+ return false;
}
-#if wxUSE_GUI
-class ReentrancyBlocker
-{
-public:
- ReentrancyBlocker(bool& b) : m_b(b) { m_b = TRUE; }
- ~ReentrancyBlocker() { m_b = FALSE; }
-
-private:
- bool& m_b;
-};
-#endif
-
bool wxFontMapper::GetAltForEncoding(wxFontEncoding encoding,
wxNativeEncodingInfo *info,
const wxString& facename,
// example, when GetAltForEncoding() is called from an OnPaint() handler:
// in this case, wxYield() which is called from wxMessageBox() we use here
// will lead to another call of OnPaint() and hence to another call of
- // GetAltForEncoding() - and it is impossible to catch this from the user
+ // GetAltForEncoding() -- and it is impossible to catch this from the user
// code because we are called from wxFont ctor implicitly.
// assume we're always called from the main thread, so that it is safe to
// use a static var
- static bool s_inGetAltForEncoding = FALSE;
+ static bool s_inGetAltForEncoding = false;
if ( interactive && s_inGetAltForEncoding )
- return FALSE;
+ return false;
ReentrancyBlocker blocker(s_inGetAltForEncoding);
#endif // wxUSE_GUI
- wxCHECK_MSG( info, FALSE, wxT("bad pointer in GetAltForEncoding") );
+ wxCHECK_MSG( info, false, wxT("bad pointer in GetAltForEncoding") );
info->facename = facename;
}
// if we failed to load the system default encoding, something is really
- // wrong and we'd better stop now - otherwise we will go into endless
+ // wrong and we'd better stop now -- otherwise we will go into endless
// recursion trying to create the font in the msg box with the error
// message
if ( encoding == wxFONTENCODING_SYSTEM )
{
- wxFatalError(_("can't load any font, aborting"));
+ wxLogFatalError(_("can't load any font, aborting"));
- // wxFatalError doesn't return
+ // wxLogFatalError doesn't return
}
- wxString configEntry, encName = GetEncodingName(encoding);
- if ( !!facename )
+ wxString configEntry,
+ encName = GetEncodingName(encoding);
+ if ( !facename.empty() )
{
configEntry = facename + _T("_");
}
configEntry += encName;
-#if wxUSE_CONFIG
+#if wxUSE_CONFIG && wxUSE_FILECONFIG
// do we have a font spec for this encoding?
- wxString pathOld;
- if ( ChangePath(FONTMAPPER_FONT_FROM_ENCODING_PATH, &pathOld) )
+ wxString fontinfo;
+ wxFontMapperPathChanger path(this, FONTMAPPER_FONT_FROM_ENCODING_PATH);
+ if ( path.IsOk() )
{
- wxConfigBase *config = GetConfig();
-
- wxString fontinfo = config->Read(configEntry);
-
- RestorePath(pathOld);
+ fontinfo = GetConfig()->Read(configEntry);
+ }
- if ( !!fontinfo && !!facename )
+ // this special value means that we don't know of fonts for this
+ // encoding but, moreover, have already asked the user as well and he
+ // didn't specify any font neither
+ if ( fontinfo == FONTMAPPER_FONT_DONT_ASK )
+ {
+ interactive = false;
+ }
+ else // use the info entered the last time
+ {
+ if ( !fontinfo.empty() && !facename.empty() )
{
- // we tried to find a match with facename - now try without it
- fontinfo = config->Read(encName);
+ // we tried to find a match with facename -- now try without it
+ fontinfo = GetConfig()->Read(encName);
}
- if ( !!fontinfo )
+ if ( !fontinfo.empty() )
{
if ( info->FromString(fontinfo) )
{
if ( wxTestFontEncoding(*info) )
{
// ok, got something
- return TRUE;
+ return true;
}
//else: no such fonts, look for something else
+ // (should we erase the outdated value?)
}
else
{
- wxLogDebug(wxT("corrupted config data: string '%s' is not a valid font encoding info"), fontinfo.c_str());
+ wxLogDebug(wxT("corrupted config data: string '%s' is not a valid font encoding info"),
+ fontinfo);
}
}
//else: there is no information in config about this encoding
}
#endif // wxUSE_CONFIG
+ // now try to map this encoding to a compatible one which we have on this
+ // system
+ wxFontEncodingArray equiv = wxEncodingConverter::GetAllEquivalents(encoding);
+ size_t count = equiv.GetCount();
+ bool foundEquivEncoding = false;
+ wxFontEncoding equivEncoding = wxFONTENCODING_SYSTEM;
+ if ( count )
+ {
+ for ( size_t i = 0; i < count && !foundEquivEncoding; i++ )
+ {
+ // don't test for encoding itself, we already know we don't have it
+ if ( equiv[i] == encoding )
+ continue;
+
+ if ( TestAltEncoding(configEntry, equiv[i], info) )
+ {
+ equivEncoding = equiv[i];
+
+ foundEquivEncoding = true;
+ }
+ }
+ }
+
// ask the user
+#if wxUSE_FONTDLG
if ( interactive )
{
wxString title(m_titleDialog);
if ( !title )
title << wxTheApp->GetAppName() << _(": unknown encoding");
- // the message
- wxString msg;
- msg.Printf(_("The encoding '%s' is unknown.\nWould you like to select a font to be used for this encoding\n(otherwise the text in this encoding will not be shown correctly)?"),
- GetEncodingDescription(encoding).c_str());
+ // built the message
+ wxString encDesc = GetEncodingDescription(encoding),
+ msg;
+ if ( foundEquivEncoding )
+ {
+ // ask the user if he wants to override found alternative encoding
+ msg.Printf(_("No font for displaying text in encoding '%s' found,\nbut an alternative encoding '%s' is available.\nDo you want to use this encoding (otherwise you will have to choose another one)?"),
+ encDesc, GetEncodingDescription(equivEncoding));
+ }
+ else
+ {
+ msg.Printf(_("No font for displaying text in encoding '%s' found.\nWould you like to select a font to be used for this encoding\n(otherwise the text in this encoding will not be shown correctly)?"),
+ encDesc);
+ }
- wxWindow *parent = m_windowParent;
- if ( !parent )
- parent = wxTheApp->GetTopWindow();
+ // the question is different in 2 cases so the answer has to be
+ // interpreted differently as well
+ int answer = foundEquivEncoding ? wxNO : wxYES;
if ( wxMessageBox(msg, title,
- wxICON_QUESTION | wxYES_NO, parent) == wxYES )
+ wxICON_QUESTION | wxYES_NO,
+ m_windowParent) == answer )
{
wxFontData data;
data.SetEncoding(encoding);
data.EncodingInfo() = *info;
- wxFontDialog dialog(parent, &data);
+ wxFontDialog dialog(m_windowParent, data);
if ( dialog.ShowModal() == wxID_OK )
{
wxFontData retData = dialog.GetFontData();
- wxFont font = retData.GetChosenFont();
*info = retData.EncodingInfo();
- info -> encoding = retData.GetEncoding();
+ info->encoding = retData.GetEncoding();
-#if wxUSE_CONFIG
- // remember this in the config
- if ( ChangePath(FONTMAPPER_FONT_FROM_ENCODING_PATH, &pathOld) )
+#if wxUSE_CONFIG && wxUSE_FILECONFIG
+ // remember this in the config
+ wxFontMapperPathChanger path2(this,
+ FONTMAPPER_FONT_FROM_ENCODING_PATH);
+ if ( path2.IsOk() )
{
GetConfig()->Write(configEntry, info->ToString());
-
- RestorePath(pathOld);
}
#endif // wxUSE_CONFIG
- return TRUE;
+ return true;
}
//else: the user canceled the font selection dialog
}
- //else: the user doesn't want to select a font
- }
- //else: we're in non-interactive mode
-
- // now try the default mappings:
- wxFontEncodingArray equiv = wxEncodingConverter::GetAllEquivalents(encoding);
- size_t count = equiv.GetCount();
- if ( count )
- {
- for ( size_t i = (equiv[0] == encoding) ? 1 : 0; i < count; i++ )
+ else
{
- if ( TestAltEncoding(configEntry, equiv[i], info) )
- return TRUE;
+ // the user doesn't want to select a font for this encoding
+ // or selected to use equivalent encoding
+ //
+ // remember it to avoid asking the same question again later
+#if wxUSE_CONFIG && wxUSE_FILECONFIG
+ wxFontMapperPathChanger path2(this,
+ FONTMAPPER_FONT_FROM_ENCODING_PATH);
+ if ( path2.IsOk() )
+ {
+ GetConfig()->Write
+ (
+ configEntry,
+ foundEquivEncoding
+ ? (const wxChar*)info->ToString().c_str()
+ : FONTMAPPER_FONT_DONT_ASK
+ );
+ }
+#endif // wxUSE_CONFIG
}
}
+ //else: we're in non-interactive mode
+#else
+ wxUnusedVar(equivEncoding);
+#endif // wxUSE_FONTDLG
- return FALSE;
+ return foundEquivEncoding;
}
bool wxFontMapper::GetAltForEncoding(wxFontEncoding encoding,
- wxFontEncoding *alt_encoding,
+ wxFontEncoding *encodingAlt,
const wxString& facename,
bool interactive)
{
+ wxCHECK_MSG( encodingAlt, false,
+ _T("wxFontEncoding::GetAltForEncoding(): NULL pointer") );
+
wxNativeEncodingInfo info;
- bool r = GetAltForEncoding(encoding, &info, facename, interactive);
- *alt_encoding = info.encoding;
- return r;
+ if ( !GetAltForEncoding(encoding, &info, facename, interactive) )
+ return false;
+
+ *encodingAlt = info.encoding;
+
+ return true;
}
bool wxFontMapper::IsEncodingAvailable(wxFontEncoding encoding,
{
wxNativeEncodingInfo info;
- if (wxGetNativeFontEncoding(encoding, &info))
- {
- info.facename = facename;
- return wxTestFontEncoding(info);
- }
+ if ( !wxGetNativeFontEncoding(encoding, &info) )
+ return false;
- return FALSE;
+ info.facename = facename;
+ return wxTestFontEncoding(info);
}
-#endif // wxUSE_GUI
+#endif // wxUSE_FONTMAP
projects / wxWidgets.git / blobdiff