Remove wxUSE_UNICODE checks as they're always true now

Also remove all code guarded by "#if !wxUSE_UNICODE".

include/wx/app.h

@@ -473,11 +473,7 @@ public:
     // type of argv parameter of main()) or to "wchar_t **" (for compatibility
     // with Unicode build in previous wx versions and because the command line
     // can, in pr
-#if wxUSE_UNICODE
     wxCmdLineArgsArray argv;
-#else
-    char **argv;
-#endif
 
 protected:
     // delete all objects in wxPendingDelete list
@@ -825,7 +821,7 @@ public:
 // locale (under Unix UTF-8, capable of representing any Unicode string, is
 // almost always used and there is no way to retrieve the Unicode command line
 // anyhow).
-#if wxUSE_UNICODE && defined(__WINDOWS__)
+#if defined(__WINDOWS__)
     #ifdef __VISUALC__
         #define wxIMPLEMENT_WXWIN_MAIN_CONSOLE                                \
             int wmain(int argc, wchar_t **argv)                               \

include/wx/buffer.h

@@ -411,26 +411,18 @@ typedef wxWritableCharTypeBuffer<char> wxWritableCharBuffer;
 typedef wxWritableCharTypeBuffer<wchar_t> wxWritableWCharBuffer;
 
 
-#if wxUSE_UNICODE
+// Compatibility defines, don't use them in the new code.
-    #define wxWxCharBuffer wxWCharBuffer
+#define wxWxCharBuffer wxWCharBuffer
 
-    #define wxMB2WXbuf wxWCharBuffer
+#define wxMB2WXbuf wxWCharBuffer
-    #define wxWX2MBbuf wxCharBuffer
+#define wxWX2MBbuf wxCharBuffer
-    #if wxUSE_UNICODE_WCHAR
+#if wxUSE_UNICODE_WCHAR
     #define wxWC2WXbuf wxChar*
     #define wxWX2WCbuf wxChar*
-    #elif wxUSE_UNICODE_UTF8
+#elif wxUSE_UNICODE_UTF8
     #define wxWC2WXbuf wxWCharBuffer
     #define wxWX2WCbuf wxWCharBuffer
-    #endif
+#endif
-#else // ANSI
-    #define wxWxCharBuffer wxCharBuffer
-
-    #define wxMB2WXbuf wxChar*
-    #define wxWX2MBbuf wxChar*
-    #define wxWC2WXbuf wxCharBuffer
-    #define wxWX2WCbuf wxWCharBuffer
-#endif // Unicode/ANSI
 
 // ----------------------------------------------------------------------------
 // A class for holding growable data buffers (not necessarily strings)

include/wx/catch_cppunit.h

@@ -94,11 +94,9 @@ namespace Catch
                   i != wxs.end();
                   ++i )
             {
-#if wxUSE_UNICODE
                 if ( !iswprint(*i) )
                     s += wxString::Format(wxASCII_STR("\\u%04X"), *i).ToAscii();
                 else
-#endif // wxUSE_UNICODE
                     s += *i;
             }
 

include/wx/chartype.h

@@ -106,53 +106,35 @@
 #endif /* wxHAVE_TCHAR_SUPPORT */
 
 /* ------------------------------------------------------------------------- */
-/* define wxChar type                                                        */
+/* define wxChar type for compatibility only                                 */
 /* ------------------------------------------------------------------------- */
 
-/* TODO: define wxCharInt to be equal to either int or wint_t? */
+typedef wchar_t wxChar;
-
+typedef wchar_t wxSChar;
-#if !wxUSE_UNICODE
+typedef wchar_t wxUChar;
-    typedef char wxChar;
-    typedef signed char wxSChar;
-    typedef unsigned char wxUChar;
-#else
-    /* VZ: note that VC++ defines _T[SU]CHAR simply as wchar_t and not as    */
-    /*     signed/unsigned version of it which (a) makes sense to me (unlike */
-    /*     char wchar_t is always unsigned) and (b) was how the previous     */
-    /*     definitions worked so keep it like this                           */
-    typedef wchar_t wxChar;
-    typedef wchar_t wxSChar;
-    typedef wchar_t wxUChar;
-#endif /* ASCII/Unicode */
 
 /* ------------------------------------------------------------------------- */
 /* define wxStringCharType                                                   */
 /* ------------------------------------------------------------------------- */
 
-/* depending on the platform, Unicode build can either store wxStrings as
+/* depending on the build options, strings can store their data either as
    wchar_t* or UTF-8 encoded char*: */
-#if wxUSE_UNICODE
+/* FIXME-UTF8: what would be better place for this? */
-    /* FIXME-UTF8: what would be better place for this? */
+#if defined(wxUSE_UTF8_LOCALE_ONLY) && !defined(wxUSE_UNICODE_UTF8)
-    #if defined(wxUSE_UTF8_LOCALE_ONLY) && !defined(wxUSE_UNICODE_UTF8)
     #error "wxUSE_UTF8_LOCALE_ONLY only makes sense with wxUSE_UNICODE_UTF8"
-    #endif
+#endif
-    #ifndef wxUSE_UTF8_LOCALE_ONLY
+#ifndef wxUSE_UTF8_LOCALE_ONLY
     #define wxUSE_UTF8_LOCALE_ONLY 0
-    #endif
+#endif
 
-    #ifndef wxUSE_UNICODE_UTF8
+#ifndef wxUSE_UNICODE_UTF8
     #define wxUSE_UNICODE_UTF8 0
-    #endif
+#endif
 
-    #if wxUSE_UNICODE_UTF8
+#if wxUSE_UNICODE_UTF8
     #define wxUSE_UNICODE_WCHAR 0
-    #else
-        #define wxUSE_UNICODE_WCHAR 1
-    #endif
 #else
-    #define wxUSE_UNICODE_WCHAR 0
+    #define wxUSE_UNICODE_WCHAR 1
-    #define wxUSE_UNICODE_UTF8  0
-    #define wxUSE_UTF8_LOCALE_ONLY 0
 #endif
 
 #ifndef SIZEOF_WCHAR_T
@@ -189,15 +171,11 @@
    compatibility.
  */
 #ifndef wxT
-    #if !wxUSE_UNICODE
-        #define wxT(x) x
-    #else /* Unicode */
     /*
         Notice that we use an intermediate macro to allow x to be expanded
         if it's a macro itself.
      */
     #define wxT(x) wxCONCAT_HELPER(L, x)
-    #endif /* ASCII/Unicode */
 #endif /* !defined(wxT) */
 
 /*

include/wx/chkconf.h

@@ -370,14 +370,6 @@
 #   endif
 #endif /* !defined(wxUSE_TEXTFILE) */
 
-#ifndef wxUSE_UNICODE
-#   ifdef wxABORT_ON_CONFIG_ERROR
-#       error "wxUSE_UNICODE must be defined, please read comment near the top of this file."
-#   else
-#       define wxUSE_UNICODE 0
-#   endif
-#endif /* !defined(wxUSE_UNICODE) */
-
 #ifndef wxUSE_UNSAFE_WXSTRING_CONV
 #   ifdef wxABORT_ON_CONFIG_ERROR
 #       error "wxUSE_UNSAFE_WXSTRING_CONV must be defined, please read comment near the top of this file."

include/wx/cmdargs.h

@@ -16,8 +16,6 @@
 // wxCmdLineArgsArray: helper class used by wxApp::argv
 // ----------------------------------------------------------------------------
 
-#if wxUSE_UNICODE
-
 // this class is used instead of either "char **" or "wchar_t **" (neither of
 // which would be backwards compatible with all the existing code) for argv
 // field of wxApp
@@ -148,7 +146,5 @@ inline bool operator&&(bool cond, const wxCmdLineArgsArray& array)
     return cond && !array.IsEmpty();
 }
 
-#endif // wxUSE_UNICODE
-
 #endif // _WX_CMDARGS_H_
 

include/wx/cmdline.h

@@ -206,11 +206,9 @@ public:
     // default ctor or ctor giving the cmd line in either Unix or Win form
     wxCmdLineParser() { Init(); }
     wxCmdLineParser(int argc, char **argv) { Init(); SetCmdLine(argc, argv); }
-#if wxUSE_UNICODE
     wxCmdLineParser(int argc, wxChar **argv) { Init(); SetCmdLine(argc, argv); }
     wxCmdLineParser(int argc, const wxCmdLineArgsArray& argv)
         { Init(); SetCmdLine(argc, argv); }
-#endif // wxUSE_UNICODE
     wxCmdLineParser(const wxString& cmdline) { Init(); SetCmdLine(cmdline); }
 
     // the same as above, but also gives the cmd line description - otherwise,
@@ -219,23 +217,19 @@ public:
         { Init(); SetDesc(desc); }
     wxCmdLineParser(const wxCmdLineEntryDesc *desc, int argc, char **argv)
         { Init(); SetCmdLine(argc, argv); SetDesc(desc); }
-#if wxUSE_UNICODE
     wxCmdLineParser(const wxCmdLineEntryDesc *desc, int argc, wxChar **argv)
         { Init(); SetCmdLine(argc, argv); SetDesc(desc); }
     wxCmdLineParser(const wxCmdLineEntryDesc *desc,
                     int argc,
                     const wxCmdLineArgsArray& argv)
         { Init(); SetCmdLine(argc, argv); SetDesc(desc); }
-#endif // wxUSE_UNICODE
     wxCmdLineParser(const wxCmdLineEntryDesc *desc, const wxString& cmdline)
         { Init(); SetCmdLine(cmdline); SetDesc(desc); }
 
     // set cmd line to parse after using one of the ctors which don't do it
     void SetCmdLine(int argc, char **argv);
-#if wxUSE_UNICODE
     void SetCmdLine(int argc, wxChar **argv);
     void SetCmdLine(int argc, const wxCmdLineArgsArray& argv);
-#endif // wxUSE_UNICODE
     void SetCmdLine(const wxString& cmdline);
 
     // not virtual, don't use this class polymorphically

include/wx/dataobj.h

@@ -315,13 +315,11 @@ private:
 // wxTextDataObject contains text data
 // ----------------------------------------------------------------------------
 
-#if wxUSE_UNICODE
+#if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXQT__)
-    #if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXQT__)
     #define wxNEEDS_UTF8_FOR_TEXT_DATAOBJ
-    #elif defined(__WXMAC__)
+#elif defined(__WXMAC__)
     #define wxNEEDS_UTF16_FOR_TEXT_DATAOBJ
-    #endif
+#endif
-#endif // wxUSE_UNICODE
 
 class WXDLLIMPEXP_CORE wxHTMLDataObject : public wxDataObjectSimple
 {
@@ -368,13 +366,7 @@ public:
     // ctor: you can specify the text here or in SetText(), or override
     // GetText()
     wxTextDataObject(const wxString& text = wxEmptyString)
-        : wxDataObjectSimple(
+        : wxDataObjectSimple(wxDF_UNICODETEXT),
-#if wxUSE_UNICODE
-                             wxDF_UNICODETEXT
-#else
-                             wxDF_TEXT
-#endif
-                            ),
           m_text(text)
         {
         }

include/wx/datstrm.h

@@ -45,10 +45,8 @@ public:
     }
 #endif // wxUSE_APPLE_IEEE
 
-#if wxUSE_UNICODE
     void SetConv( const wxMBConv &conv );
     wxMBConv *GetConv() const { return m_conv; }
-#endif
 
 protected:
     // Ctor and dtor are both protected, this class is never used directly but
@@ -63,9 +61,7 @@ protected:
     bool m_useExtendedPrecision;
 #endif // wxUSE_APPLE_IEEE
 
-#if wxUSE_UNICODE
     wxMBConv *m_conv;
-#endif
 
     wxDECLARE_NO_COPY_CLASS(wxDataStreamBase);
 };

include/wx/debug.h

@@ -166,8 +166,6 @@ inline void wxDisableAsserts() { wxSetAssertHandler(nullptr); }
     (assert macros do it).
  */
 
-#if wxUSE_UNICODE
-
 // these overloads are the ones typically used by debugging macros: we have to
 // provide wxChar* msg version because it's common to use wxT() in the macros
 // and finally, we can't use const wx(char)* msg = nullptr, because that would
@@ -191,7 +189,6 @@ extern WXDLLIMPEXP_BASE void wxOnAssert(const char *file,
                                         const char *func,
                                         const char *cond,
                                         const wxChar *msg) ;
-#endif /* wxUSE_UNICODE */
 
 // this version is for compatibility with wx 2.8 Unicode build only, we don't
 // use it ourselves any more except in ANSI-only build in which case it is all

include/wx/defs.h

@@ -413,12 +413,17 @@ typedef short int WXTYPE;
 /*  Very common macros */
 /*  ---------------------------------------------------------------------------- */
 
-/*  Printf-like attribute definitions to obtain warnings with GNU C/C++ */
+/* Printf-like attribute definitions which could be used to obtain warnings
-#if defined(__GNUC__) && !wxUSE_UNICODE
+   with GNU C/C++ but unfortunately don't work any longer
+
+   TODO: make this work with Unicode functions
+
+#if defined(__GNUC__)
 #    define WX_ATTRIBUTE_FORMAT(like, m, n) __attribute__ ((__format__ (like, m, n)))
 #else
-#    define WX_ATTRIBUTE_FORMAT(like, m, n)
+*/
-#endif
+
+#define WX_ATTRIBUTE_FORMAT(like, m, n)
 
 #ifndef WX_ATTRIBUTE_PRINTF
 #   define WX_ATTRIBUTE_PRINTF(m, n) WX_ATTRIBUTE_FORMAT(__printf__, m, n)
@@ -801,12 +806,8 @@ typedef short int WXTYPE;
     #define WXUNUSED(identifier) identifier
 #endif
 
-/*  some arguments are not used in unicode mode */
+/* Defined for compatibility only. */
-#if wxUSE_UNICODE
+#define WXUNUSED_IN_UNICODE(param)  WXUNUSED(param)
-    #define WXUNUSED_IN_UNICODE(param)  WXUNUSED(param)
-#else
-    #define WXUNUSED_IN_UNICODE(param)  param
-#endif
 
 /*  unused parameters in non stream builds */
 #if wxUSE_STREAMS
@@ -2987,7 +2988,7 @@ typedef GtkWidget *WXWidget;
 
 #endif /*  __WXGTK__ */
 
-#if defined(__WXGTK__) || (defined(__WXX11__) && wxUSE_UNICODE)
+#if defined(__WXGTK__) || defined(__WXX11__)
 #define wxUSE_PANGO 1
 #else
 #define wxUSE_PANGO 0

include/wx/dynlib.h

@@ -290,20 +290,14 @@ public:
     }
 
 #ifdef __WINDOWS__
-    // this function is useful for loading functions from the standard Windows
+    // This function is misnamed now as it always loads "W" symbol because we
-    // DLLs: such functions have an 'A' (in ANSI build) or 'W' (in Unicode, or
+    // always use Unicode now, but keeps its old name for compatibility.
-    // wide character build) suffix if they take string parameters
     static void *RawGetSymbolAorW(wxDllType handle, const wxString& name)
     {
         return RawGetSymbol
                (
                 handle,
-                name +
+                name + L'W'
-#if wxUSE_UNICODE
-                L'W'
-#else
-                'A'
-#endif
                );
     }
 

include/wx/event.h

@@ -2207,10 +2207,8 @@ public:
     // returns true iff this event's key code is of a certain type
     bool IsKeyInCategory(int category) const;
 
-#if wxUSE_UNICODE
     // get the Unicode character corresponding to this key
     wxChar GetUnicodeKey() const { return m_uniChar; }
-#endif // wxUSE_UNICODE
 
     // get the raw key code (platform-dependent)
     wxUint32 GetRawKeyCode() const { return m_rawCode; }
@@ -2271,11 +2269,9 @@ public:
 
     long          m_keyCode;
 
-#if wxUSE_UNICODE
     // This contains the full Unicode character
     // in a character events in Unicode mode
     wxChar        m_uniChar;
-#endif
 
     // these fields contain the platform-specific information about
     // key that was pressed
@@ -2308,9 +2304,7 @@ private:
 
         m_rawCode = evt.m_rawCode;
         m_rawFlags = evt.m_rawFlags;
-#if wxUSE_UNICODE
         m_uniChar = evt.m_uniChar;
-#endif
         m_isRepeat = evt.m_isRepeat;
     }
 

include/wx/filefn.h

@@ -246,29 +246,7 @@ enum wxPosixPermissions
     #define   wxEof        wxPOSIX_IDENT(eof)
 
     // then the functions taking strings
-
+    #define wxCRT_Open          _wopen
-    // first the ANSI versions
-    #define   wxCRT_OpenA       wxPOSIX_IDENT(open)
-    #define   wxCRT_AccessA     wxPOSIX_IDENT(access)
-    #define   wxCRT_ChmodA      wxPOSIX_IDENT(chmod)
-    #define   wxCRT_MkDirA      wxPOSIX_IDENT(mkdir)
-    #define   wxCRT_RmDirA      wxPOSIX_IDENT(rmdir)
-    #ifdef wxHAS_HUGE_FILES
-        // MinGW-64 provides underscore-less versions of all file functions
-        // except for this one.
-        #ifdef __MINGW64_TOOLCHAIN__
-            #define   wxCRT_StatA       _stati64
-        #else
-            #define   wxCRT_StatA       wxPOSIX_IDENT(stati64)
-        #endif
-    #else
-        #define   wxCRT_StatA       wxPOSIX_IDENT(stat)
-    #endif
-
-    // then wide char ones
-    #if wxUSE_UNICODE
-
-        #define wxCRT_OpenW         _wopen
 
     wxDECL_FOR_STRICT_MINGW32(int, _wopen, (const wchar_t*, int, ...))
     wxDECL_FOR_STRICT_MINGW32(int, _waccess, (const wchar_t*, int))
@@ -277,34 +255,15 @@ enum wxPosixPermissions
     wxDECL_FOR_STRICT_MINGW32(int, _wrmdir, (const wchar_t*))
     wxDECL_FOR_STRICT_MINGW32(int, _wstati64, (const wchar_t*, struct _stati64*))
 
-        #define   wxCRT_AccessW     _waccess
+    #define   wxCRT_Access      _waccess
-        #define   wxCRT_ChmodW      _wchmod
+    #define   wxCRT_Chmod       _wchmod
-        #define   wxCRT_MkDirW      _wmkdir
+    #define   wxCRT_MkDir       _wmkdir
-        #define   wxCRT_RmDirW      _wrmdir
+    #define   wxCRT_RmDir       _wrmdir
     #ifdef wxHAS_HUGE_FILES
-            #define   wxCRT_StatW       _wstati64
+        #define   wxCRT_Stat        _wstati64
     #else
-            #define   wxCRT_StatW       _wstat
+        #define   wxCRT_Stat        _wstat
     #endif
-    #endif // wxUSE_UNICODE
-
-
-    // finally the default char-type versions
-    #if wxUSE_UNICODE
-        #define wxCRT_Open      wxCRT_OpenW
-        #define wxCRT_Access    wxCRT_AccessW
-        #define wxCRT_Chmod     wxCRT_ChmodW
-        #define wxCRT_MkDir     wxCRT_MkDirW
-        #define wxCRT_RmDir     wxCRT_RmDirW
-        #define wxCRT_Stat      wxCRT_StatW
-    #else // !wxUSE_UNICODE
-        #define wxCRT_Open      wxCRT_OpenA
-        #define wxCRT_Access    wxCRT_AccessA
-        #define wxCRT_Chmod     wxCRT_ChmodA
-        #define wxCRT_MkDir     wxCRT_MkDirA
-        #define wxCRT_RmDir     wxCRT_RmDirA
-        #define wxCRT_Stat      wxCRT_StatA
-    #endif // wxUSE_UNICODE/!wxUSE_UNICODE
 
 
     // constants (unless already defined by the user code)

include/wx/generic/private/addremovectrl.h

@@ -44,20 +44,12 @@ public:
 private:
     static wxString GetAddButtonLabel()
     {
-#if wxUSE_UNICODE
         return wchar_t(0xFF0B); // FULLWIDTH PLUS SIGN
-#else
-        return "+";
-#endif
     }
 
     static wxString GetRemoveButtonLabel()
     {
-#if wxUSE_UNICODE
         return wchar_t(0x2012); // FIGURE DASH
-#else
-        return "-";
-#endif
     }
 
 };

include/wx/gtk/dvrenderers.h

@@ -203,12 +203,6 @@ private:
     wxString    m_label;
     int         m_value;
 
-#if !wxUSE_UNICODE
-    // Flag used to indicate that we need to set the label because we were
-    // unable to do it in the ctor (see comments there).
-    bool m_needsToSetLabel;
-#endif // !wxUSE_UNICODE
-
 protected:
     wxDECLARE_DYNAMIC_CLASS_NO_COPY(wxDataViewProgressRenderer);
 };

include/wx/gtk/private.h

@@ -30,65 +30,15 @@
 // and use it only to test for pango versions >= 1.16.0
 extern const gchar *wx_pango_version_check(int major, int minor, int micro);
 
-#if wxUSE_UNICODE
+#define wxGTK_CONV(s) (s).utf8_str()
-    #define wxGTK_CONV(s) (s).utf8_str()
+#define wxGTK_CONV_ENC(s, enc) wxGTK_CONV((s))
-    #define wxGTK_CONV_ENC(s, enc) wxGTK_CONV((s))
+#define wxGTK_CONV_FONT(s, font) wxGTK_CONV((s))
-    #define wxGTK_CONV_FONT(s, font) wxGTK_CONV((s))
+#define wxGTK_CONV_SYS(s) wxGTK_CONV((s))
-    #define wxGTK_CONV_SYS(s) wxGTK_CONV((s))
 
-    #define wxGTK_CONV_BACK(s) wxString::FromUTF8Unchecked(s)
+#define wxGTK_CONV_BACK(s) wxString::FromUTF8Unchecked(s)
-    #define wxGTK_CONV_BACK_ENC(s, enc) wxGTK_CONV_BACK(s)
+#define wxGTK_CONV_BACK_ENC(s, enc) wxGTK_CONV_BACK(s)
-    #define wxGTK_CONV_BACK_FONT(s, font) wxGTK_CONV_BACK(s)
+#define wxGTK_CONV_BACK_FONT(s, font) wxGTK_CONV_BACK(s)
-    #define wxGTK_CONV_BACK_SYS(s) wxGTK_CONV_BACK(s)
+#define wxGTK_CONV_BACK_SYS(s) wxGTK_CONV_BACK(s)
-#else
-    #include "wx/font.h"
-
-    // convert the text between the given encoding and UTF-8 used by wxGTK
-    extern WXDLLIMPEXP_CORE wxCharBuffer
-    wxConvertToGTK(const wxString& s,
-                   wxFontEncoding enc = wxFONTENCODING_SYSTEM);
-
-    extern WXDLLIMPEXP_CORE wxCharBuffer
-    wxConvertFromGTK(const wxString& s,
-                     wxFontEncoding enc = wxFONTENCODING_SYSTEM);
-
-    // helper: use the encoding of the given font if it's valid
-    inline wxCharBuffer wxConvertToGTK(const wxString& s, const wxFont& font)
-    {
-        return wxConvertToGTK(s, font.IsOk() ? font.GetEncoding()
-                                           : wxFONTENCODING_SYSTEM);
-    }
-
-    inline wxCharBuffer wxConvertFromGTK(const wxString& s, const wxFont& font)
-    {
-        return wxConvertFromGTK(s, font.IsOk() ? font.GetEncoding()
-                                             : wxFONTENCODING_SYSTEM);
-    }
-
-    // more helpers: allow passing GTK+ strings directly
-    inline wxCharBuffer
-    wxConvertFromGTK(const wxGtkString& gs,
-                     wxFontEncoding enc = wxFONTENCODING_SYSTEM)
-    {
-        return wxConvertFromGTK(gs.c_str(), enc);
-    }
-
-    inline wxCharBuffer
-    wxConvertFromGTK(const wxGtkString& gs, const wxFont& font)
-    {
-        return wxConvertFromGTK(gs.c_str(), font);
-    }
-
-    #define wxGTK_CONV(s) wxGTK_CONV_FONT((s), m_font)
-    #define wxGTK_CONV_ENC(s, enc) wxConvertToGTK((s), (enc))
-    #define wxGTK_CONV_FONT(s, font) wxConvertToGTK((s), (font))
-    #define wxGTK_CONV_SYS(s) wxConvertToGTK((s))
-
-    #define wxGTK_CONV_BACK(s) wxConvertFromGTK((s), m_font)
-    #define wxGTK_CONV_BACK_ENC(s, enc) wxConvertFromGTK((s), (enc))
-    #define wxGTK_CONV_BACK_FONT(s, font) wxConvertFromGTK((s), (font))
-    #define wxGTK_CONV_BACK_SYS(s) wxConvertFromGTK((s))
-#endif
 
 // Define a macro for converting wxString to char* in appropriate encoding for
 // the file names.

include/wx/hashmap.h

@@ -547,10 +547,8 @@ struct WXDLLIMPEXP_BASE wxStringEqual
         { return a == b; }
     bool operator()( const wxChar* a, const wxChar* b ) const noexcept
         { return wxStrcmp( a, b ) == 0; }
-#if wxUSE_UNICODE
     bool operator()( const char* a, const char* b ) const noexcept
         { return strcmp( a, b ) == 0; }
-#endif // wxUSE_UNICODE
 };
 
 #ifdef wxNEEDS_WX_HASH_MAP

include/wx/html/htmlpars.h

@@ -270,13 +270,8 @@ public:
     wxHtmlEntitiesParser();
     virtual ~wxHtmlEntitiesParser();
 
-    // Sets encoding of output string.
+    // Obsolete, has no effect.
-    // Has no effect if wxUSE_UNICODE==1
-#if wxUSE_UNICODE
     void SetEncoding(wxFontEncoding WXUNUSED(encoding)) {}
-#else
-    void SetEncoding(wxFontEncoding encoding);
-#endif
 
     // Parses entities in input and replaces them with respective characters
     // (with respect to output encoding)
@@ -286,18 +281,9 @@ public:
     wxChar GetEntityChar(const wxString& entity) const;
 
     // Returns character that represents given Unicode code
-#if wxUSE_UNICODE
     wxChar GetCharForCode(unsigned code) const { return (wxChar)code; }
-#else
-    wxChar GetCharForCode(unsigned code) const;
-#endif
 
 protected:
-#if !wxUSE_UNICODE
-    wxMBConv *m_conv;
-    wxFontEncoding m_encoding;
-#endif
-
     wxDECLARE_NO_COPY_CLASS(wxHtmlEntitiesParser);
 };
 

include/wx/html/winpars.h

@@ -142,13 +142,6 @@ public:
     // following space as being part of the same space run as before.
     void StopCollapsingSpaces() { m_tmpLastWasSpace = false; }
 
-#if !wxUSE_UNICODE
-    void SetInputEncoding(wxFontEncoding enc);
-    wxFontEncoding GetInputEncoding() const { return m_InputEnc; }
-    wxFontEncoding GetOutputEncoding() const { return m_OutputEnc; }
-    wxEncodingConverter *GetEncodingConverter() const { return m_EncConv; }
-#endif
-
     // creates font depending on m_Font* members.
     virtual wxFont* CreateCurrentFont();
 
@@ -210,9 +203,6 @@ private:
 
     wxFont* m_FontsTable[2][2][2][2][7];
     wxString m_FontsFacesTable[2][2][2][2][7];
-#if !wxUSE_UNICODE
-    wxFontEncoding m_FontsEncTable[2][2][2][2][7];
-#endif
             // table of loaded fonts. 1st four indexes are 0 or 1, depending on on/off
             // state of these flags (from left to right):
             // [bold][italic][underlined][fixed_size]
@@ -223,13 +213,6 @@ private:
     wxString m_FontFaceFixed, m_FontFaceNormal;
             // html font sizes and faces of fixed and proportional fonts
 
-#if !wxUSE_UNICODE
-    wxChar m_nbsp;
-    wxFontEncoding m_InputEnc, m_OutputEnc;
-            // I/O font encodings
-    wxEncodingConverter *m_EncConv;
-#endif
-
     // current whitespace handling mode
     WhitespaceMode m_whitespaceMode;
 

include/wx/hyperlink.h

@@ -139,8 +139,7 @@ typedef void (wxEvtHandler::*wxHyperlinkEventFunction)(wxHyperlinkEvent&);
 
 #if defined(__WXGTK210__) && !defined(__WXUNIVERSAL__)
     #include "wx/gtk/hyperlink.h"
-// Note that the native control is only available in Unicode version under MSW.
+#elif defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
-#elif defined(__WXMSW__) && wxUSE_UNICODE && !defined(__WXUNIVERSAL__)
     #include "wx/msw/hyperlink.h"
 #else
     #include "wx/generic/hyperlink.h"

include/wx/init.h

@@ -45,13 +45,9 @@ extern void WXDLLIMPEXP_BASE wxEntryCleanup();
 extern int WXDLLIMPEXP_BASE wxEntry(int& argc, wxChar **argv);
 
 // we overload wxEntry[Start]() to take "char **" pointers too
-#if wxUSE_UNICODE
-
 extern bool WXDLLIMPEXP_BASE wxEntryStart(int& argc, char **argv);
 extern int WXDLLIMPEXP_BASE wxEntry(int& argc, char **argv);
 
-#endif// wxUSE_UNICODE
-
 // Under Windows we define additional wxEntry() overloads with signature
 // compatible with WinMain() and not the traditional main().
 #ifdef __WINDOWS__
@@ -68,9 +64,7 @@ extern int WXDLLIMPEXP_BASE wxEntry(int& argc, char **argv);
 // call to wxInitialize() must be matched by wxUninitialize())
 extern bool WXDLLIMPEXP_BASE wxInitialize();
 extern bool WXDLLIMPEXP_BASE wxInitialize(int& argc, wxChar **argv);
-#if wxUSE_UNICODE
 extern bool WXDLLIMPEXP_BASE wxInitialize(int& argc, char **argv);
-#endif
 
 // clean up -- the library can't be used any more after the last call to
 // wxUninitialize()
@@ -92,12 +86,10 @@ public:
         m_ok = wxInitialize(argc, argv);
     }
 
-#if wxUSE_UNICODE
     wxInitializer(int& argc, char **argv)
     {
         m_ok = wxInitialize(argc, argv);
     }
-#endif // wxUSE_UNICODE
 
     // has the initialization been successful? (explicit test)
     bool IsOk() const { return m_ok; }

include/wx/msw/gccpriv.h

@@ -25,13 +25,8 @@
         without them being defined, better give a clearer error right now.
      */
     #if !defined(UNICODE)
-        #ifndef wxUSE_UNICODE
-            #error "wxUSE_UNICODE must be defined before including this header."
-        #endif
-        #if wxUSE_UNICODE
         #error "UNICODE must be defined before including this header."
     #endif
-    #endif
 
     /*
         MinGW 5.3.0 (and presumably later) predefines _WIN32_WINNT and WINVER

include/wx/msw/private/msgdlg.h

@@ -17,7 +17,7 @@
 // TD_WARNING_ICON being defined in the headers for this as this symbol is used
 // by the task dialogs only. Also notice that task dialogs are available for
 // Unicode applications only.
-#if defined(TD_WARNING_ICON) && wxUSE_UNICODE
+#if defined(TD_WARNING_ICON)
     #define wxHAS_MSW_TASKDIALOG
 #endif
 

include/wx/msw/stackwalk.h

@@ -21,11 +21,7 @@ struct _EXCEPTION_POINTERS;
 struct _SYMBOL_INFO;
 struct _SYMBOL_INFOW;
 
-#if wxUSE_UNICODE
+#define wxSYMBOL_INFO _SYMBOL_INFOW
-    #define wxSYMBOL_INFO _SYMBOL_INFOW
-#else // !wxUSE_UNICODE
-    #define wxSYMBOL_INFO _SYMBOL_INFO
-#endif // wxUSE_UNICODE/!wxUSE_UNICODE
 
 // ----------------------------------------------------------------------------
 // wxStackFrame

include/wx/msw/textctrl.h

@@ -220,15 +220,6 @@ protected:
     // the limit is due to a previous call to SetMaxLength() and not built in)
     bool HasSpaceLimit(unsigned int *len) const;
 
-#if wxUSE_RICHEDIT && !wxUSE_UNICODE
-    // replace the selection or the entire control contents with the given text
-    // in the specified encoding
-    bool StreamIn(const wxString& value, wxFontEncoding encoding, bool selOnly);
-
-    // get the contents of the control out as text in the given encoding
-    wxString StreamOut(wxFontEncoding encoding, bool selOnly = false) const;
-#endif // wxUSE_RICHEDIT
-
     // replace the contents of the selection or of the entire control with the
     // given text
     void DoWriteText(const wxString& text,

include/wx/msw/uxtheme.h

@@ -176,48 +176,9 @@ public:
     // Trivial default ctor.
     wxUxThemeFont() { }
 
-#if wxUSE_UNICODE
+    // This class is now completely trivial and should be removed.
-    // In Unicode build we always use LOGFONT anyhow so this class is
-    // completely trivial.
     LPLOGFONTW GetPtr() { return &m_lfW; }
     const LOGFONTW& GetLOGFONT() { return m_lfW; }
-#else // !wxUSE_UNICODE
-    // Return either LOGFONTA or LOGFONTW pointer as required by the current
-    // Windows version.
-    LPLOGFONTW GetPtr()
-    {
-        return UseLOGFONTW() ? &m_lfW
-                             : reinterpret_cast<LPLOGFONTW>(&m_lfA);
-    }
-
-    // This method returns LOGFONT (i.e. LOGFONTA in ANSI build and LOGFONTW in
-    // Unicode one) which can be used with other, normal, Windows or wx
-    // functions. Internally it may need to transform LOGFONTW to LOGFONTA.
-    const LOGFONTA& GetLOGFONT()
-    {
-        if ( UseLOGFONTW() )
-        {
-            // Most of the fields are the same in LOGFONTA and LOGFONTW so just
-            // copy everything by default.
-            memcpy(&m_lfA, &m_lfW, sizeof(m_lfA));
-
-            // But the face name must be converted from Unicode.
-            WideCharToMultiByte(CP_ACP, 0, m_lfW.lfFaceName, -1,
-                                m_lfA.lfFaceName, sizeof(m_lfA.lfFaceName),
-                                nullptr, nullptr);
-        }
-
-        return m_lfA;
-    }
-
-private:
-    static bool UseLOGFONTW()
-    {
-        return wxGetWinVersion() >= wxWinVersion_Vista;
-    }
-
-    LOGFONTA m_lfA;
-#endif // wxUSE_UNICODE/!wxUSE_UNICODE
 
 private:
     LOGFONTW m_lfW;

include/wx/msw/wrapcctl.h

@@ -21,7 +21,7 @@
 // Set Unicode format for a common control
 inline void wxSetCCUnicodeFormat(HWND hwnd)
 {
-    ::SendMessage(hwnd, CCM_SETUNICODEFORMAT, wxUSE_UNICODE, 0);
+    ::SendMessage(hwnd, CCM_SETUNICODEFORMAT, TRUE, 0);
 }
 
 #if wxUSE_GUI

include/wx/platform.h

@@ -493,8 +493,7 @@
 
 /*
    check the consistency of the settings in setup.h: note that this must be
-   done after setting wxUSE_UNICODE correctly as it is used in wx/chkconf.h
+   done after defining the compiler macros used in wx/chkconf.h
-   and after defining the compiler macros which are used in it too
  */
 #include "wx/chkconf.h"
 

include/wx/private/wxprintf.h

@@ -428,7 +428,6 @@ bool wxPrintfConvSpec<CharType>::Parse(const CharType *format)
                 break;
 
             case wxT('c'):
-#if wxUSE_UNICODE
                 if (ilen == -1)
                 {
                     // %hc == ANSI character
@@ -439,23 +438,10 @@ bool wxPrintfConvSpec<CharType>::Parse(const CharType *format)
                     // %lc == %c == Unicode character
                     m_type = wxPAT_WCHAR;
                 }
-#else
-                if (ilen == 1)
-                {
-                    // %lc == Unicode character
-                    m_type = wxPAT_WCHAR;
-                }
-                else
-                {
-                    // %hc == %c == ANSI character
-                    m_type = wxPAT_CHAR;
-                }
-#endif
                 done = true;
                 break;
 
             case wxT('s'):
-#if wxUSE_UNICODE
                 if (ilen == -1)
                 {
                     // wx extension: we'll let %hs mean non-Unicode strings
@@ -466,18 +452,6 @@ bool wxPrintfConvSpec<CharType>::Parse(const CharType *format)
                     // %ls == %s == Unicode string
                     m_type = wxPAT_PWCHAR;
                 }
-#else
-                if (ilen == 1)
-                {
-                    // %ls == Unicode string
-                    m_type = wxPAT_PWCHAR;
-                }
-                else
-                {
-                    // %s == %hs == ANSI string
-                    m_type = wxPAT_PCHAR;
-                }
-#endif
                 done = true;
                 break;
 

include/wx/richtext/richtextsymboldlg.h

@@ -32,13 +32,6 @@ class wxSymbolListCtrl;
 class wxStdDialogButtonSizer;
 ////@end forward declarations
 
-// __UNICODE__ is a symbol used by DialogBlocks-generated code.
-#ifndef __UNICODE__
-#if wxUSE_UNICODE
-#define __UNICODE__
-#endif
-#endif
-
 /*!
  * Symbols
  */
@@ -110,19 +103,15 @@ public:
     /// wxEVT_COMBOBOX event handler for ID_SYMBOLPICKERDIALOG_FONT
     void OnFontCtrlSelected( wxCommandEvent& event );
 
-#if defined(__UNICODE__)
     /// wxEVT_COMBOBOX event handler for ID_SYMBOLPICKERDIALOG_SUBSET
     void OnSubsetSelected( wxCommandEvent& event );
 
     /// wxEVT_UPDATE_UI event handler for ID_SYMBOLPICKERDIALOG_SUBSET
     void OnSymbolpickerdialogSubsetUpdate( wxUpdateUIEvent& event );
 
-#endif
-#if defined(__UNICODE__)
     /// wxEVT_COMBOBOX event handler for ID_SYMBOLPICKERDIALOG_FROM
     void OnFromUnicodeSelected( wxCommandEvent& event );
 
-#endif
     /// wxEVT_UPDATE_UI event handler for wxID_OK
     void OnOkUpdate( wxUpdateUIEvent& event );
 
@@ -157,15 +146,11 @@ public:
 
 ////@begin wxSymbolPickerDialog member variables
     wxComboBox* m_fontCtrl;
-#if defined(__UNICODE__)
     wxComboBox* m_subsetCtrl;
-#endif
     wxSymbolListCtrl* m_symbolsCtrl;
     wxStaticText* m_symbolStaticCtrl;
     wxTextCtrl* m_characterCodeCtrl;
-#if defined(__UNICODE__)
     wxComboBox* m_fromUnicodeCtrl;
-#endif
     wxStdDialogButtonSizer* m_stdButtonSizer;
     wxString m_fontName;
     bool m_fromUnicode;

include/wx/sstream.h

@@ -89,10 +89,8 @@ private:
     // arbitrary 8 bit data
     wxMBConv& m_conv;
 
-#if wxUSE_UNICODE
     // unconverted data from the last call to OnSysWrite()
     wxMemoryBuffer m_unconv;
-#endif // wxUSE_UNICODE
 
     wxDECLARE_NO_COPY_CLASS(wxStringOutputStream);
 };

include/wx/stc/private.h

@@ -16,8 +16,6 @@
 //----------------------------------------------------------------------
 // Utility functions used within wxSTC
 
-#if wxUSE_UNICODE
-
 extern wxString stc2wx(const char* str);
 extern wxString stc2wx(const char* str, size_t len);
 extern wxCharBuffer wx2stc(const wxString& str);
@@ -31,24 +29,4 @@ inline size_t wx2stclen(const wxString& WXUNUSED(str), const wxCharBuffer& buf)
     return buf.length();
 }
 
-#else // not UNICODE
-
-inline wxString stc2wx(const char* str) {
-    return wxString(str);
-}
-inline wxString stc2wx(const char* str, size_t len) {
-    return wxString(str, len);
-}
-inline const char* wx2stc(const wxString& str) {
-    return str.mbc_str();
-}
-
-// As explained above, the buffer argument is only used in Unicode build.
-inline size_t wx2stclen(const wxString& str, const char* WXUNUSED(buf))
-{
-    return str.length();
-}
-
-#endif // UNICODE
-
 #endif // _WX_STC_PRIVATE_H_

include/wx/strconv.h

@@ -107,18 +107,11 @@ public:
     wxCharBuffer
         cWC2MB(const wchar_t *in, size_t inLen, size_t *outLen) const;
 
-    // convenience functions for converting MB or WC to/from wxWin default
+    // Obsolete convenience functions.
-#if wxUSE_UNICODE
     wxWCharBuffer cMB2WX(const char *psz) const { return cMB2WC(psz); }
     wxCharBuffer cWX2MB(const wchar_t *psz) const { return cWC2MB(psz); }
     const wchar_t* cWC2WX(const wchar_t *psz) const { return psz; }
     const wchar_t* cWX2WC(const wchar_t *psz) const { return psz; }
-#else // ANSI
-    const char* cMB2WX(const char *psz) const { return psz; }
-    const char* cWX2MB(const char *psz) const { return psz; }
-    wxCharBuffer cWC2WX(const wchar_t *psz) const { return cWC2MB(psz); }
-    wxWCharBuffer cWX2WC(const char *psz) const { return cMB2WC(psz); }
-#endif // Unicode/ANSI
 
     // return the maximum number of bytes that can be required to encode a
     // single character in this encoding, e.g. 4 for UTF-8
@@ -677,7 +670,7 @@ extern WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvUI;
 // ----------------------------------------------------------------------------
 
 // filenames are multibyte on Unix and widechar on Windows
-#if wxMBFILES && wxUSE_UNICODE
+#if wxMBFILES
     #define wxFNCONV(name) wxConvFileName->cWX2MB(name)
     #define wxFNSTRINGCAST wxMBSTRINGCAST
 #else
@@ -693,31 +686,23 @@ extern WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvUI;
 // macros for the most common conversions
 // ----------------------------------------------------------------------------
 
-#if wxUSE_UNICODE
+#define wxConvertWX2MB(s)   wxConvCurrent->cWX2MB(s)
-    #define wxConvertWX2MB(s)   wxConvCurrent->cWX2MB(s)
+#define wxConvertMB2WX(s)   wxConvCurrent->cMB2WX(s)
-    #define wxConvertMB2WX(s)   wxConvCurrent->cMB2WX(s)
 
-    // these functions should be used when the conversions really, really have
+// these functions should be used when the conversions really, really have
-    // to succeed (usually because we pass their results to a standard C
+// to succeed (usually because we pass their results to a standard C
-    // function which would crash if we passed nullptr to it), so these functions
+// function which would crash if we passed nullptr to it), so these functions
-    // always return a valid pointer if their argument is non-null
+// always return a valid pointer if their argument is non-null
 
-    inline wxWCharBuffer wxSafeConvertMB2WX(const char *s)
+inline wxWCharBuffer wxSafeConvertMB2WX(const char *s)
-    {
+{
     return wxConvWhateverWorks.cMB2WC(s);
-    }
+}
 
-    inline wxCharBuffer wxSafeConvertWX2MB(const wchar_t *ws)
+inline wxCharBuffer wxSafeConvertWX2MB(const wchar_t *ws)
-    {
+{
     return wxConvWhateverWorks.cWC2MB(ws);
-    }
+}
-#else // ANSI
-    // no conversions to do
-    #define wxConvertWX2MB(s)   (s)
-    #define wxConvertMB2WX(s)   (s)
-    #define wxSafeConvertMB2WX(s) (s)
-    #define wxSafeConvertWX2MB(s) (s)
-#endif // Unicode/ANSI
 
 // Macro that indicates the default encoding for converting C strings
 // to wxString. It provides a default value for a const wxMBConv&

include/wx/string.h

@@ -352,9 +352,8 @@ private:
                                     const wxMBConv& conv);
 #endif
 
-#if !wxUSE_UNICODE_UTF8 // wxUSE_UNICODE_WCHAR or !wxUSE_UNICODE
+#if !wxUSE_UNICODE_UTF8 // wxUSE_UNICODE_WCHAR
   // returns C string encoded as the implementation expects:
-  #if wxUSE_UNICODE
   static const wchar_t* ImplStr(const wchar_t* str)
     { return str ? str : wxT(""); }
   static const SubstrBufFromWC ImplStr(const wchar_t* str, size_t n)
@@ -365,20 +364,6 @@ private:
   static SubstrBufFromMB ImplStr(const char* str, size_t n,
                                  const wxMBConv& conv wxSTRING_DEFAULT_CONV_ARG)
     { return ConvertStr(str, n, conv); }
-  #else
-  static const char* ImplStr(const char* str,
-                             const wxMBConv& WXUNUSED(conv) wxSTRING_DEFAULT_CONV_ARG)
-    { return str ? str : ""; }
-  static const SubstrBufFromMB ImplStr(const char* str, size_t n,
-                                       const wxMBConv& WXUNUSED(conv) wxSTRING_DEFAULT_CONV_ARG)
-    { return SubstrBufFromMB(str, (str && n == npos) ? wxStrlen(str) : n); }
-#ifndef wxNO_IMPLICIT_WXSTRING_ENCODING
-  static wxScopedCharBuffer ImplStr(const wchar_t* str)
-    { return ConvertStr(str, npos, wxConvLibc).data; }
-  static SubstrBufFromWC ImplStr(const wchar_t* str, size_t n)
-    { return ConvertStr(str, n, wxConvLibc); }
-#endif // wxNO_IMPLICIT_WXSTRING_ENCODING
-  #endif
 
   // translates position index in wxString to/from index in underlying
   // wxStringImpl:
@@ -1246,13 +1231,8 @@ public:
   #endif
 
 #ifndef wxNO_IMPLICIT_WXSTRING_ENCODING
-  #if !wxUSE_UNICODE // ANSI build
-    // FIXME-UTF8: do this in UTF8 build #if wxUSE_UTF8_LOCALE_ONLY, too
-    wxString(const std::string& str) : m_impl(str) {}
-  #else // Unicode
   wxString(const std::string& str)
       { assign(str.c_str(), str.length()); }
-  #endif
 #endif // wxNO_IMPLICIT_WXSTRING_ENCODING
 #endif // wxUSE_STD_STRING
 
@@ -1280,7 +1260,7 @@ public:
     }
   #endif
 
-  #if (!wxUSE_UNICODE || wxUSE_UTF8_LOCALE_ONLY) && wxUSE_STL_BASED_WXSTRING
+  #if wxUSE_UTF8_LOCALE_ONLY && wxUSE_STL_BASED_WXSTRING
     // wxStringImpl is std::string in the encoding we want
     #define wxStringToStdStringRetType const std::string&
     const std::string& ToStdString() const { return m_impl; }
@@ -1597,16 +1577,8 @@ public:
     template <typename T>
     wxCharTypeBuffer<T> tchar_str(size_t *len = nullptr) const
     {
-#if wxUSE_UNICODE
         // we need a helper dispatcher depending on type
         return wxPrivate::wxStringAsBufHelper<T>::Get(*this, len);
-#else // ANSI
-        // T can only be char in ANSI build
-        if ( len )
-            *len = length();
-
-        return wxCharTypeBuffer<T>::CreateNonOwned(wx_str(), length());
-#endif // Unicode build kind
     }
 
     // conversion to/from plain (i.e. 7 bit) ASCII: this is useful for
@@ -1615,18 +1587,10 @@ public:
     //
     // the behaviour of these functions with the strings containing anything
     // else than 7 bit ASCII characters is undefined, use at your own risk.
-#if wxUSE_UNICODE
     static wxString FromAscii(const char *ascii, size_t len);
     static wxString FromAscii(const char *ascii);
     static wxString FromAscii(char ascii);
     const wxScopedCharBuffer ToAscii(char replaceWith = '_') const;
-#else // ANSI
-    static wxString FromAscii(const char *ascii) { return wxString( ascii ); }
-    static wxString FromAscii(const char *ascii, size_t len)
-        { return wxString( ascii, len ); }
-    static wxString FromAscii(char ascii) { return wxString( ascii ); }
-    const char *ToAscii(char WXUNUSED(replaceWith) = '_') const { return c_str(); }
-#endif // Unicode/!Unicode
 
     // also provide unsigned char overloads as signed/unsigned doesn't matter
     // for 7 bit ASCII characters
@@ -1764,7 +1728,6 @@ public:
     const wxScopedCharBuffer ToUTF8() const { return utf8_str(); }
 
     // functions for storing binary data in wxString:
-#if wxUSE_UNICODE
     static wxString From8BitData(const char *data, size_t len)
       { return wxString(data, wxConvISO8859_1, len); }
     // version for NUL-terminated data:
@@ -1772,15 +1735,6 @@ public:
       { return wxString(data, wxConvISO8859_1); }
     const wxScopedCharBuffer To8BitData() const
         { return mb_str(wxConvISO8859_1); }
-#else // ANSI
-    static wxString From8BitData(const char *data, size_t len)
-      { return wxString(data, len); }
-    // version for NUL-terminated data:
-    static wxString From8BitData(const char *data)
-      { return wxString(data); }
-    const wxScopedCharBuffer To8BitData() const
-        { return wxScopedCharBuffer::CreateNonOwned(wx_str(), length()); }
-#endif // Unicode/ANSI
 
     // conversions with (possible) format conversions: have to return a
     // buffer with temporary data
@@ -1792,8 +1746,6 @@ public:
     // type differs because a function may either return pointer to the buffer
     // directly or have to use intermediate buffer for translation.
 
-#if wxUSE_UNICODE
-
     // this is an optimization: even though using mb_str(wxConvLibc) does the
     // same thing (i.e. returns pointer to internal representation as locale is
     // always an UTF-8 one) in wxUSE_UTF8_LOCALE_ONLY case, we can avoid the
@@ -1820,7 +1772,7 @@ public:
     const wxScopedWCharBuffer wc_str() const
         { return AsWCharBuf(wxMBConvStrictUTF8()); }
 #endif
-    // for compatibility with !wxUSE_UNICODE version
+    // for compatibility only
     const wxWX2WCbuf wc_str(const wxMBConv& WXUNUSED(conv)) const
       { return wc_str(); }
 
@@ -1830,23 +1782,6 @@ public:
     const wxWX2WCbuf fn_str() const { return wc_str(); }
 #endif // wxMBFILES/!wxMBFILES
 
-#else // ANSI
-    const char* mb_str() const { return wx_str(); }
-
-    // for compatibility with wxUSE_UNICODE version
-    const char* mb_str(const wxMBConv& WXUNUSED(conv)) const { return wx_str(); }
-
-    const wxWX2MBbuf mbc_str() const { return mb_str(); }
-
-    const wxScopedWCharBuffer wc_str(const wxMBConv& conv wxSTRING_DEFAULT_CONV_ARG) const
-        { return AsWCharBuf(conv); }
-
-#ifndef wxNO_IMPLICIT_WXSTRING_ENCODING
-    const wxScopedCharBuffer fn_str() const
-        { return wxConvFile.cWC2WX( wc_str( wxConvLibc ) ); }
-#endif // wxNO_IMPLICIT_WXSTRING_ENCODING
-#endif // Unicode/ANSI
-
 #if wxUSE_UNICODE_UTF8
     const wxScopedWCharBuffer t_str() const { return wc_str(); }
 #elif wxUSE_UNICODE_WCHAR
@@ -3253,11 +3188,7 @@ public:
 
     // as strpbrk() but starts at nStart, returns npos if not found
   size_t find_first_of(const wxString& str, size_t nStart = 0) const
-#if wxUSE_UNICODE // FIXME-UTF8: temporary
     { return find_first_of(str.wc_str(), nStart); }
-#else
-    { return find_first_of(str.mb_str(), nStart); }
-#endif
     // same as above
 #ifndef wxNO_IMPLICIT_WXSTRING_ENCODING
   size_t find_first_of(const char* sz, size_t nStart = 0) const;
@@ -3272,11 +3203,7 @@ public:
     { return find(c, nStart); }
     // find the last (starting from nStart) char from str in this string
   size_t find_last_of (const wxString& str, size_t nStart = npos) const
-#if wxUSE_UNICODE // FIXME-UTF8: temporary
     { return find_last_of(str.wc_str(), nStart); }
-#else
-    { return find_last_of(str.mb_str(), nStart); }
-#endif
     // same as above
 #ifndef wxNO_IMPLICIT_WXSTRING_ENCODING
   size_t find_last_of (const char* sz, size_t nStart = npos) const;
@@ -3294,11 +3221,7 @@ public:
 
     // as strspn() (starting from nStart), returns npos on failure
   size_t find_first_not_of(const wxString& str, size_t nStart = 0) const
-#if wxUSE_UNICODE // FIXME-UTF8: temporary
     { return find_first_not_of(str.wc_str(), nStart); }
-#else
-    { return find_first_not_of(str.mb_str(), nStart); }
-#endif
     // same as above
 #ifndef wxNO_IMPLICIT_WXSTRING_ENCODING
   size_t find_first_not_of(const char* sz, size_t nStart = 0) const;
@@ -3312,11 +3235,7 @@ public:
   size_t find_first_not_of(wxUniChar ch, size_t nStart = 0) const;
     //  as strcspn()
   size_t find_last_not_of(const wxString& str, size_t nStart = npos) const
-#if wxUSE_UNICODE // FIXME-UTF8: temporary
     { return find_last_not_of(str.wc_str(), nStart); }
-#else
-    { return find_last_not_of(str.mb_str(), nStart); }
-#endif
     // same as above
 #ifndef wxNO_IMPLICIT_WXSTRING_ENCODING
   size_t find_last_not_of(const char* sz, size_t nStart = npos) const;
@@ -3587,7 +3506,6 @@ private:
   };
 
 
-#if wxUSE_UNICODE
   // common mb_str() and wxCStrData::AsChar() helper: performs the conversion
   // and returns either m_convertedToChar.m_str (in which case its m_len is
   // also updated) or nullptr if it failed
@@ -3635,7 +3553,6 @@ private:
   }
 
   ConvertedBuffer<char> m_convertedToChar;
-#endif // !wxUSE_UNICODE
 
 #if !wxUSE_UNICODE_WCHAR
   // common wc_str() and wxCStrData::AsWChar() helper for both UTF-8 and ANSI
@@ -4212,13 +4129,13 @@ WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxScopedCharBuf
 #endif // wxNO_IMPLICIT_WXSTRING_ENCODING
 WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxScopedWCharBuffer&);
 
-#if wxUSE_UNICODE && defined(HAVE_WOSTREAM)
+#if defined(HAVE_WOSTREAM)
 
 WXDLLIMPEXP_BASE wxSTD wostream& operator<<(wxSTD wostream&, const wxString&);
 WXDLLIMPEXP_BASE wxSTD wostream& operator<<(wxSTD wostream&, const wxCStrData&);
 WXDLLIMPEXP_BASE wxSTD wostream& operator<<(wxSTD wostream&, const wxScopedWCharBuffer&);
 
-#endif  // wxUSE_UNICODE && defined(HAVE_WOSTREAM)
+#endif  // defined(HAVE_WOSTREAM)
 
 #endif  // wxUSE_STD_IOSTREAM
 
@@ -4259,39 +4176,19 @@ inline const wchar_t* wxCStrData::AsWChar() const
         m_str->AsWChar(wxConvLibc);
 #endif
 
-    // in Unicode build the string always has a valid Unicode representation
-    // and even if a conversion is needed (as in UTF8 case) it can't fail
-    //
-    // but in ANSI build the string contents might be not convertible to
-    // Unicode using the current locale encoding so we do need to check for
-    // errors
-#if !wxUSE_UNICODE
-    if ( !p )
-    {
-        // if conversion fails, return empty string and not nullptr to avoid
-        // crashes in code written with either wxWidgets 2 wxString or
-        // std::string behaviour in mind: neither of them ever returns nullptr
-        // from its c_str() and so we shouldn't either
-        //
-        // notice that the same is done in AsChar() below and
-        // wxString::wc_str() and mb_str() for the same reasons
-        return L"";
-    }
-#endif // !wxUSE_UNICODE
-
     return p + m_offset;
 }
 
 #ifndef wxNO_IMPLICIT_WXSTRING_ENCODING
 inline const char* wxCStrData::AsChar() const
 {
-#if wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
+#if !wxUSE_UTF8_LOCALE_ONLY
     const char * const p = m_str->AsChar(wxConvLibc);
     if ( !p )
         return "";
-#else // !wxUSE_UNICODE || wxUSE_UTF8_LOCALE_ONLY
+#else // wxUSE_UTF8_LOCALE_ONLY
     const char * const p = m_str->mb_str();
-#endif // wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
+#endif
 
     return p + m_offset;
 }

include/wx/stringops.h

@@ -22,8 +22,7 @@
 // one for UTF-8 encoded char* string and one for "raw" wchar_t* strings (or
 // char* in ANSI build).
 
-// FIXME-UTF8: only wchar after we remove ANSI build
+#if wxUSE_UNICODE_WCHAR
-#if wxUSE_UNICODE_WCHAR || !wxUSE_UNICODE
 struct WXDLLIMPEXP_BASE wxStringOperationsWchar
 {
     // moves the iterator to the next Unicode character
@@ -80,7 +79,7 @@ struct WXDLLIMPEXP_BASE wxStringOperationsWchar
     static wxUniChar DecodeChar(const wxStringImpl::const_iterator& i)
         { return *i; }
 };
-#endif // wxUSE_UNICODE_WCHAR || !wxUSE_UNICODE
+#endif // wxUSE_UNICODE_WCHAR
 
 
 #if wxUSE_UNICODE_UTF8

include/wx/strvararg.h

@@ -214,7 +214,7 @@ private:
     wxScopedCharBuffer m_convertedChar;
 #endif // !wxUSE_UNICODE_WCHAR && !defined wx_NO_IMPLICIT_WXSTRING_ENCODING
 
-#if wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
+#if !wxUSE_UTF8_LOCALE_ONLY
 public:
     operator const wchar_t*() const
         { return const_cast<wxFormatString*>(this)->AsWChar(); }
@@ -222,7 +222,7 @@ private:
     const wchar_t* InputAsWChar();
     const wchar_t* AsWChar();
     wxScopedWCharBuffer m_convertedWChar;
-#endif // wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
+#endif // !wxUSE_UTF8_LOCALE_ONLY
 
 private:
     wxScopedCharBuffer  m_char;
@@ -398,12 +398,6 @@ wxFORMAT_STRING_SPECIFIER(long double, wxFormatString::Arg_LongDouble)
 wxFORMAT_STRING_SPECIFIER(wchar_t, wxFormatString::Arg_Char | wxFormatString::Arg_Int)
 #endif
 
-#if !wxUSE_UNICODE && !defined wxNO_IMPLICIT_WXSTRING_ENCODING
-wxFORMAT_STRING_SPECIFIER(char, wxFormatString::Arg_Char | wxFormatString::Arg_Int)
-wxFORMAT_STRING_SPECIFIER(signed char, wxFormatString::Arg_Char | wxFormatString::Arg_Int)
-wxFORMAT_STRING_SPECIFIER(unsigned char, wxFormatString::Arg_Char | wxFormatString::Arg_Int)
-#endif
-
 #ifndef wxNO_IMPLICIT_WXSTRING_ENCODING
 wxFORMAT_STRING_SPECIFIER(char*, wxFormatString::Arg_String)
 wxFORMAT_STRING_SPECIFIER(unsigned char*, wxFormatString::Arg_String)
@@ -849,12 +843,11 @@ struct wxArgNormalizer<const wxUniChar&> : public wxArgNormalizer<wchar_t>
 
 // for wchar_t, default handler does the right thing
 
-// char has to be treated differently in Unicode builds: a char argument may
+// char has to be treated differently: a char argument may
 // be used either for a character value (which should be converted into
 // wxUniChar) or as an integer value (which should be left as-is). We take
 // advantage of the fact that both char and wchar_t are converted into int
 // in variadic arguments here.
-#if wxUSE_UNICODE
 template<typename T>
 struct wxArgNormalizerNarrowChar
 {
@@ -903,8 +896,6 @@ struct wxArgNormalizer<signed char>
         : wxArgNormalizerNarrowChar<signed char>(value, fmt, index) {}
 };
 
-#endif // wxUSE_UNICODE
-
 // convert references:
 WX_ARG_NORMALIZER_FORWARD(wxUniChar, const wxUniChar&);
 WX_ARG_NORMALIZER_FORWARD(const wxUniCharRef&, const wxUniChar&);

include/wx/translation.h

@@ -86,9 +86,7 @@ class WXDLLIMPEXP_BASE wxMsgCatalog
 public:
     // Ctor is protected, because CreateFromXXX functions must be used,
     // but destruction should be unrestricted
-#if !wxUSE_UNICODE
+    ~wxMsgCatalog() = default;
-    ~wxMsgCatalog();
-#endif
 
     // load the catalog from disk or from data; caller is responsible for
     // deleting them if not null
@@ -107,9 +105,6 @@ public:
 protected:
     wxMsgCatalog(const wxString& domain)
         : m_pNext(nullptr), m_domain(domain)
-#if !wxUSE_UNICODE
-        , m_conv(nullptr)
-#endif
     {}
 
 private:
@@ -120,12 +115,6 @@ private:
     wxStringToStringHashMap m_messages; // all messages in the catalog
     wxString                m_domain;   // name of the domain
 
-#if !wxUSE_UNICODE
-    // the conversion corresponding to this catalog charset if we installed it
-    // as the global one
-    wxCSConv *m_conv;
-#endif
-
     wxPluralFormsCalculatorPtr m_pluralFormsCalculator;
 };
 
@@ -166,11 +155,6 @@ public:
     // wxTranslationsLoader
     bool AddCatalog(const wxString& domain,
                     wxLanguage msgIdLanguage = wxLANGUAGE_ENGLISH_US);
-#if !wxUSE_UNICODE
-    bool AddCatalog(const wxString& domain,
-                    wxLanguage msgIdLanguage,
-                    const wxString& msgIdCharset);
-#endif
 
     // check if the given catalog is loaded
     bool IsLoaded(const wxString& domain) const;

include/wx/txtstrm.h

@@ -36,13 +36,9 @@ WXDLLIMPEXP_BASE wxTextOutputStream &endl( wxTextOutputStream &stream );
 class WXDLLIMPEXP_BASE wxTextInputStream
 {
 public:
-#if wxUSE_UNICODE
     wxTextInputStream(wxInputStream& s,
                       const wxString &sep=wxT(" \t"),
                       const wxMBConv& conv = wxConvAuto());
-#else
-    wxTextInputStream(wxInputStream& s, const wxString &sep=wxT(" \t"));
-#endif
     ~wxTextInputStream();
 
     const wxInputStream& GetInputStream() const { return m_input; }
@@ -67,9 +63,9 @@ public:
     // Operators
     wxTextInputStream& operator>>(wxString& word);
     wxTextInputStream& operator>>(char& c);
-#if wxUSE_UNICODE && wxWCHAR_T_IS_REAL_TYPE
+#if wxWCHAR_T_IS_REAL_TYPE
     wxTextInputStream& operator>>(wchar_t& wc);
-#endif // wxUSE_UNICODE
+#endif
     wxTextInputStream& operator>>(wxInt16& i);
     wxTextInputStream& operator>>(wxInt32& i);
     wxTextInputStream& operator>>(wxInt64& i);
@@ -101,7 +97,6 @@ protected:
     size_t m_validBegin,
            m_validEnd;
 
-#if wxUSE_UNICODE
     wxMBConv *m_conv;
 
     // The second half of a surrogate character when using UTF-16 for wchar_t:
@@ -112,7 +107,6 @@ protected:
 #if SIZEOF_WCHAR_T == 2
     wchar_t m_lastWChar;
 #endif // SIZEOF_WCHAR_T == 2
-#endif // wxUSE_UNICODE
 
     bool   EatEOL(const wxChar &c);
     void   UngetLast(); // should be used instead of wxInputStream::Ungetch() because of Unicode issues
@@ -132,13 +126,9 @@ enum wxEOL
 class WXDLLIMPEXP_BASE wxTextOutputStream
 {
 public:
-#if wxUSE_UNICODE
     wxTextOutputStream(wxOutputStream& s,
                        wxEOL mode = wxEOL_NATIVE,
                        const wxMBConv& conv = wxConvAuto());
-#else
-    wxTextOutputStream(wxOutputStream& s, wxEOL mode = wxEOL_NATIVE);
-#endif
     virtual ~wxTextOutputStream();
 
     const wxOutputStream& GetOutputStream() const { return m_output; }
@@ -168,9 +158,9 @@ public:
 
     wxTextOutputStream& operator<<(const wxString& string);
     wxTextOutputStream& operator<<(char c);
-#if wxUSE_UNICODE && wxWCHAR_T_IS_REAL_TYPE
+#if wxWCHAR_T_IS_REAL_TYPE
     wxTextOutputStream& operator<<(wchar_t wc);
-#endif // wxUSE_UNICODE
+#endif
     wxTextOutputStream& operator<<(wxInt16 c);
     wxTextOutputStream& operator<<(wxInt32 c);
     wxTextOutputStream& operator<<(wxInt64 c);
@@ -186,7 +176,6 @@ protected:
     wxOutputStream &m_output;
     wxEOL           m_mode;
 
-#if wxUSE_UNICODE
     wxMBConv *m_conv;
 
 #if SIZEOF_WCHAR_T == 2
@@ -194,7 +183,6 @@ protected:
     // and couldn't be output when it was called the last time.
     wchar_t m_lastWChar;
 #endif // SIZEOF_WCHAR_T == 2
-#endif // wxUSE_UNICODE
 
     wxDECLARE_NO_COPY_CLASS(wxTextOutputStream);
 };

include/wx/unichar.h

@@ -72,7 +72,6 @@ public:
     // must be non-null)
     bool GetAsChar(char *c) const
     {
-#if wxUSE_UNICODE
         if ( !IsAscii() )
         {
 #if !wxUSE_UTF8_LOCALE_ONLY
@@ -82,7 +81,6 @@ public:
 
             return false;
         }
-#endif // wxUSE_UNICODE
 
         *c = wx_truncate_cast(char, m_value);
         return true;
@@ -181,26 +179,18 @@ private:
     // characters purely for performance reasons
     static value_type From8bit(char c)
     {
-#if wxUSE_UNICODE
         if ( (unsigned char)c < 0x80 )
             return c;
 
         return FromHi8bit(c);
-#else
-        return c;
-#endif
     }
 
     static char To8bit(value_type c)
     {
-#if wxUSE_UNICODE
         if ( c < 0x80 )
             return wx_truncate_cast(char, c);
 
         return ToHi8bit(c);
-#else
-        return wx_truncate_cast(char, c);
-#endif
     }
 
     // helpers of the functions above called to deal with non-ASCII chars

include/wx/utils.h

@@ -389,12 +389,10 @@ WXDLLIMPEXP_BASE long wxExecute(const char* const* argv,
                                 int flags = wxEXEC_ASYNC,
                                 wxProcess *process = nullptr,
                                 const wxExecuteEnv *env = nullptr);
-#if wxUSE_UNICODE
 WXDLLIMPEXP_BASE long wxExecute(const wchar_t* const* argv,
                                 int flags = wxEXEC_ASYNC,
                                 wxProcess *process = nullptr,
                                 const wxExecuteEnv *env = nullptr);
-#endif // wxUSE_UNICODE
 
 // execute the command capturing its output into an array line by line, this is
 // always synchronous

include/wx/wxcrt.h

@@ -42,17 +42,11 @@ inline bool wxIsEmpty(const wxCStrData& s) { return s.AsString().empty(); }
 WXDLLIMPEXP_BASE size_t wxMB2WC(wchar_t *buf, const char *psz, size_t n);
 WXDLLIMPEXP_BASE size_t wxWC2MB(char *buf, const wchar_t *psz, size_t n);
 
-#if wxUSE_UNICODE
+// Obsolete helpers.
-    #define wxMB2WX wxMB2WC
+#define wxMB2WX wxMB2WC
-    #define wxWX2MB wxWC2MB
+#define wxWX2MB wxWC2MB
-    #define wxWC2WX wxStrncpy
+#define wxWC2WX wxStrncpy
-    #define wxWX2WC wxStrncpy
+#define wxWX2WC wxStrncpy
-#else
-    #define wxMB2WX wxStrncpy
-    #define wxWX2MB wxStrncpy
-    #define wxWC2WX wxWC2MB
-    #define wxWX2WC wxMB2WC
-#endif
 
 
 //  RN: We could do the usual tricky compiler detection here,
@@ -64,47 +58,45 @@ WXDLLIMPEXP_BASE size_t wxWC2MB(char *buf, const wchar_t *psz, size_t n);
 //
 #include <string.h>
 
-#if wxUSE_UNICODE
+//implement our own wmem variants
-    //implement our own wmem variants
+inline wxChar* wxTmemchr(const wxChar* s, wxChar c, size_t l)
-    inline wxChar* wxTmemchr(const wxChar* s, wxChar c, size_t l)
+{
-    {
     for(;l && *s != c;--l, ++s) {}
 
     if(l)
         return const_cast<wxChar*>(s);
     return nullptr;
-    }
+}
 
-    inline int wxTmemcmp(const wxChar* sz1, const wxChar* sz2, size_t len)
+inline int wxTmemcmp(const wxChar* sz1, const wxChar* sz2, size_t len)
-    {
+{
     for(; *sz1 == *sz2 && len; --len, ++sz1, ++sz2) {}
 
     if(len)
         return *sz1 < *sz2 ? -1 : *sz1 > *sz2;
     else
         return 0;
-    }
+}
 
-    inline wxChar* wxTmemcpy(wxChar* szOut, const wxChar* szIn, size_t len)
+inline wxChar* wxTmemcpy(wxChar* szOut, const wxChar* szIn, size_t len)
-    {
+{
     return (wxChar*) memcpy(szOut, szIn, len * sizeof(wxChar));
-    }
+}
 
-    inline wxChar* wxTmemmove(wxChar* szOut, const wxChar* szIn, size_t len)
+inline wxChar* wxTmemmove(wxChar* szOut, const wxChar* szIn, size_t len)
-    {
+{
     return (wxChar*) memmove(szOut, szIn, len * sizeof(wxChar));
-    }
+}
 
-    inline wxChar* wxTmemset(wxChar* szOut, wxChar cIn, size_t len)
+inline wxChar* wxTmemset(wxChar* szOut, wxChar cIn, size_t len)
-    {
+{
     wxChar* szRet = szOut;
 
     while (len--)
         *szOut++ = cIn;
 
     return szRet;
-    }
+}
-#endif /* wxUSE_UNICODE */
 
 // provide trivial wrappers for char* versions for both ANSI and Unicode builds
 // (notice that these intentionally return "char *" and not "void *" unlike the
@@ -556,15 +548,11 @@ WX_STRCMP_FUNC(wxStrcoll, wxCRT_StrcollA, wxCRT_StrcollW, wxStrcoll_String)
 template<typename T>
 inline int wxStrcoll_String(const wxString& s1, const T& s2)
 {
-#if wxUSE_UNICODE
     // NB: strcoll() doesn't work correctly on UTF-8 strings, so we have to use
     //     wc_str() even if wxUSE_UNICODE_UTF8; the (const wchar_t*) cast is
     //     there just as optimization to avoid going through
     //     wxStrcoll<wxScopedWCharBuffer>:
     return wxStrcoll((const wchar_t*)s1.wc_str(), s2);
-#else
-    return wxStrcoll((const char*)s1.mb_str(), s2);
-#endif
 }
 
 #endif // defined(wxCRT_Strcoll[AW])

include/wx/wxcrtbase.h

@@ -270,18 +270,11 @@ WXDLLIMPEXP_BASE int wxCRT_StrncmpW(const wchar_t *s1, const wchar_t *s2, size_t
 }
 #endif
 
-/* FIXME-UTF8: remove this once we are Unicode only */
+/* FIXME-UTF8: remove this */
-#if wxUSE_UNICODE
+#define wxCRT_StrlenNative  wxCRT_StrlenW
-    #define wxCRT_StrlenNative  wxCRT_StrlenW
+#define wxCRT_StrncmpNative wxCRT_StrncmpW
-    #define wxCRT_StrncmpNative wxCRT_StrncmpW
+#define wxCRT_ToupperNative wxCRT_ToupperW
-    #define wxCRT_ToupperNative wxCRT_ToupperW
+#define wxCRT_TolowerNative wxCRT_TolowerW
-    #define wxCRT_TolowerNative wxCRT_TolowerW
-#else
-    #define wxCRT_StrlenNative  wxCRT_StrlenA
-    #define wxCRT_StrncmpNative wxCRT_StrncmpA
-    #define wxCRT_ToupperNative toupper
-    #define wxCRT_TolowerNative tolower
-#endif
 
 #ifndef wxCRT_StrcatW
 WXDLLIMPEXP_BASE wchar_t *wxCRT_StrcatW(wchar_t *dest, const wchar_t *src);
@@ -413,7 +406,7 @@ WXDLLIMPEXP_BASE wchar_t *wxCRT_StrtokW(wchar_t *psz, const wchar_t *delim, wcha
 
 /* these functions are only needed in the form used for filenames (i.e. char*
    on Unix, wchar_t* on Windows), so we don't need to use A/W suffix: */
-#if wxMBFILES || !wxUSE_UNICODE /* ANSI filenames */
+#if wxMBFILES /* ANSI filenames */
 
     #define wxCRT_Fopen   fopen
     #define wxCRT_Freopen freopen

include/wx/wxcrtvararg.h

@@ -146,9 +146,7 @@
 // for wxString code, define wxUSE_WXVSNPRINTF to indicate that wx
 // implementation is used no matter what (in UTF-8 build, either *A or *W
 // version may be called):
-#if !wxUSE_UNICODE
+#if wxUSE_UNICODE_WCHAR
-    #define wxUSE_WXVSNPRINTF wxUSE_WXVSNPRINTFA
-#elif wxUSE_UNICODE_WCHAR
     #define wxUSE_WXVSNPRINTF wxUSE_WXVSNPRINTFW
 #elif wxUSE_UTF8_LOCALE_ONLY
     #define wxUSE_WXVSNPRINTF wxUSE_WXVSNPRINTFA
@@ -238,15 +236,9 @@
 // user-friendly wrappers to CRT functions
 // ----------------------------------------------------------------------------
 
-    // FIXME-UTF8: remove this
+// FIXME-UTF8: remove this
-#if wxUSE_UNICODE
+#define wxCRT_PrintfNative wxCRT_PrintfW
-    #define wxCRT_PrintfNative wxCRT_PrintfW
+#define wxCRT_FprintfNative wxCRT_FprintfW
-    #define wxCRT_FprintfNative wxCRT_FprintfW
-#else
-    #define wxCRT_PrintfNative wxCRT_PrintfA
-    #define wxCRT_FprintfNative wxCRT_FprintfA
-#endif
-
 
 wxGCC_ONLY_WARNING_SUPPRESS(format-nonliteral)
 
@@ -330,8 +322,6 @@ WX_DEFINE_VARARG_FUNC(int, wxSnprintf, 3, (char*, size_t, const wxFormatString&)
 int WXDLLIMPEXP_BASE
 wxVsnprintf(char *str, size_t size, const wxString& format, va_list argptr);
 
-#if wxUSE_UNICODE
-
 #if !wxUSE_UTF8_LOCALE_ONLY
 int WXDLLIMPEXP_BASE wxDoSprintfWchar(wchar_t *str, const wxChar *format, ...);
 #endif
@@ -356,8 +346,6 @@ WX_DEFINE_VARARG_FUNC(int, wxSnprintf, 3, (wchar_t*, size_t, const wxFormatStrin
 int WXDLLIMPEXP_BASE
 wxVsnprintf(wchar_t *str, size_t size, const wxString& format, va_list argptr);
 
-#endif // wxUSE_UNICODE
-
 // We can't use wxArgNormalizer<T> for variadic arguments to wxScanf() etc.
 // because they are writable, so instead of providing friendly template
 // vararg-like functions, we just provide both char* and wchar_t* variants

include/wx/x11/app.h

@@ -71,12 +71,10 @@ public:
     const wxSize& GetInitialSize() const { return m_initialSize; }
     bool GetShowIconic() const { return m_showIconic; }
 
-#if wxUSE_UNICODE
     // Global context for Pango layout. Either use X11
     // or use Xft rendering according to GDK_USE_XFT
     // environment variable
     PangoContext* GetPangoContext();
-#endif
 
     wxXVisualInfo* GetVisualInfo(WXDisplay* WXUNUSED(display))
     {

include/wx/x11/dcclient.h

@@ -134,10 +134,8 @@ protected:
     wxRegion      m_currentClippingRegion;
     wxRegion      m_paintClippingRegion;
 
-#if wxUSE_UNICODE
     PangoContext *m_context;
     PangoFontDescription *m_fontdesc;
-#endif
 
     void SetUpDC();
     void Destroy();

include/wx/x11/private.h

@@ -39,13 +39,8 @@ class WXDLLIMPEXP_FWD_CORE wxWindow;
 // Some Unicode <-> UTF8 macros stolen from GTK
 // ----------------------------------------------------------------------------
 
-#if wxUSE_UNICODE
+#define wxGTK_CONV(s) wxConvUTF8.cWX2MB(s)
-    #define wxGTK_CONV(s) wxConvUTF8.cWX2MB(s)
+#define wxGTK_CONV_BACK(s) wxConvUTF8.cMB2WX(s)
-    #define wxGTK_CONV_BACK(s) wxConvUTF8.cMB2WX(s)
-#else
-    #define wxGTK_CONV(s) s.c_str()
-    #define wxGTK_CONV_BACK(s) s
-#endif
 
 // ----------------------------------------------------------------------------
 // we maintain a hash table which contains the mapping from Widget to wxWindow

include/wx/xlocale.h

@@ -48,10 +48,7 @@
         #include <locale.h>
         #include <ctype.h>
         #include <stdlib.h>
-
-        #if wxUSE_UNICODE
         #include <wctype.h>
-        #endif
 
         // Locale type and identifier name
         typedef locale_t wxXLocale_t;
@@ -250,8 +247,6 @@ extern WXDLLIMPEXP_DATA_BASE(wxXLocale) wxNullXLocale;
     inline unsigned long wxStrtoul_lA(const char *c, char **endptr, int base, const wxXLocale& loc)
         { return wxCRT_Strtoul_lA(c, endptr, base, loc.Get()); }
 
-    #if wxUSE_UNICODE
-
     // ctype functions
     #define wxCRT_Isalnum_lW wxXLOCALE_IDENT(iswalnum_l)
     #define wxCRT_Isalpha_lW wxXLOCALE_IDENT(iswalpha_l)
@@ -307,14 +302,6 @@ extern WXDLLIMPEXP_DATA_BASE(wxXLocale) wxNullXLocale;
         { return wxCRT_Strtol_lW(c, endptr, base, loc.Get()); }
     inline unsigned long wxStrtoul_l(const wchar_t *c, wchar_t **endptr, int base, const wxXLocale& loc)
         { return wxCRT_Strtoul_lW(c, endptr, base, loc.Get()); }
-    #else // !wxUSE_UNICODE
-        inline double wxStrtod_l(const char *c, char **endptr, const wxXLocale& loc)
-            { return wxCRT_Strtod_lA(c, endptr, loc.Get()); }
-        inline long wxStrtol_l(const char *c, char **endptr, int base, const wxXLocale& loc)
-            { return wxCRT_Strtol_lA(c, endptr, base, loc.Get()); }
-        inline unsigned long wxStrtoul_l(const char *c, char **endptr, int base, const wxXLocale& loc)
-            { return wxCRT_Strtoul_lA(c, endptr, base, loc.Get()); }
-    #endif // wxUSE_UNICODE
 #else // !wxHAS_XLOCALE_SUPPORT
     // ctype functions
     int WXDLLIMPEXP_BASE wxIsalnum_l(const wxUniChar& c, const wxXLocale& loc);

include/wx/xml/xml.h

@@ -88,9 +88,6 @@ private:
 // are irrelevant) and wxXML_ELEMENT_NODE (e.g. in <title>hi</title> there is
 // element with name="title", irrelevant content and one child (wxXML_TEXT_NODE
 // with content="hi").
-//
-// If wxUSE_UNICODE is 0, all strings are encoded in the encoding given to Load
-// (default is UTF-8).
 
 class WXDLLIMPEXP_XML wxXmlNode
 {
@@ -280,22 +277,11 @@ public:
     void SetFileType(wxTextFileType fileType);
     void AppendToProlog(wxXmlNode *node);
 
-#if !wxUSE_UNICODE
-    // Returns encoding of in-memory representation of the document
-    // (same as passed to Load or ctor, defaults to UTF-8).
-    // NB: this is meaningless in Unicode build where data are stored as wchar_t*
-    wxString GetEncoding() const { return m_encoding; }
-    void SetEncoding(const wxString& enc) { m_encoding = enc; }
-#endif
-
     static wxVersionInfo GetLibraryVersionInfo();
 
 private:
     wxString   m_version;
     wxString   m_fileEncoding;
-#if !wxUSE_UNICODE
-    wxString   m_encoding;
-#endif
     wxXmlDoctype m_doctype;
     wxXmlNode *m_docNode;
     wxTextFileType m_fileType;

include/wx/xtitypes.h

@@ -314,7 +314,7 @@ public:
     {
         Register();
     }
-#if 0 // wxUSE_UNICODE
+#if 0
     wxTypeInfo(wxTypeKind kind,
                wxVariant2StringFnc to, wxString2VariantFnc from,
                const char *name):

samples/dataview/dataview.cpp

@@ -823,10 +823,10 @@ void MyFrame::BuildDataViewCtrl(wxPanel* parent, unsigned int nPanel,
             m_music_model = new MyMusicTreeModel;
             m_ctrl[Page_Music]->AssociateModel( m_music_model.get() );
 
-#if wxUSE_DRAG_AND_DROP && wxUSE_UNICODE
+#if wxUSE_DRAG_AND_DROP
             m_ctrl[Page_Music]->EnableDragSource( wxDF_UNICODETEXT );
             m_ctrl[Page_Music]->EnableDropTarget( wxDF_UNICODETEXT );
-#endif // wxUSE_DRAG_AND_DROP && wxUSE_UNICODE
+#endif // wxUSE_DRAG_AND_DROP
 
             // column 0 of the view control:
 
@@ -1768,12 +1768,9 @@ void MyFrame::OnSorted( wxDataViewEvent &event )
 void MyFrame::OnDataViewChar(wxKeyEvent& event)
 {
     wxString key;
-#if wxUSE_UNICODE
     if ( event.GetUnicodeKey() != WXK_NONE )
         key.Printf("\"%c\"", event.GetUnicodeKey());
-    else
+    else if ( event.GetKeyCode() != WXK_NONE )
-#endif
-    if ( event.GetKeyCode() != WXK_NONE )
         key.Printf("wxKeyCode(%d)", event.GetKeyCode());
     else
         key = "unknown key";

samples/ipc/connection.h

@@ -38,11 +38,9 @@ protected:
               s += wxString(static_cast<const char *>(data), size);
               break;
 
-#if wxUSE_UNICODE
           case wxIPC_UNICODETEXT:
               s += wxString(static_cast<const wchar_t *>(data), size);
               break;
-#endif // wxUSE_UNICODE
 
           case wxIPC_UTF8TEXT:
               s += wxString::FromUTF8(static_cast<const char *>(data), size);

samples/keyboard/keyboard.cpp

@@ -531,11 +531,9 @@ wxString GetKeyName(const wxKeyEvent &event)
     if ( keycode >= 32 && keycode < 128 )
         return wxString::Format("'%c'", (unsigned char)keycode);
 
-#if wxUSE_UNICODE
     int uc = event.GetUnicodeKey();
     if ( uc != WXK_NONE )
         return wxString::Format("'%c'", uc);
-#endif
 
     return "unknown";
 }
@@ -546,11 +544,7 @@ void MyFrame::LogEvent(const wxString& name, wxKeyEvent& event)
     wxString msg;
     // event  key_name  KeyCode  modifiers  Unicode  raw_code raw_flags pos
     msg.Printf("%7s %15s %5d   %c%c%c%c"
-#if wxUSE_UNICODE
                    "%5d (U+%04x)"
-#else
-                   "    none   "
-#endif
 #ifdef wxHAS_RAW_KEY_CODES
                    "  %7lu    0x%08lx"
 #else
@@ -566,10 +560,8 @@ void MyFrame::LogEvent(const wxString& name, wxKeyEvent& event)
                event.AltDown()     ? 'A' : '-',
                event.ShiftDown()   ? 'S' : '-',
                event.MetaDown()    ? 'M' : '-'
-#if wxUSE_UNICODE
                , event.GetUnicodeKey()
                , event.GetUnicodeKey()
-#endif
 #ifdef wxHAS_RAW_KEY_CODES
                , (unsigned long) event.GetRawKeyCode()
                , (unsigned long) event.GetRawKeyFlags()

samples/printing/printing.cpp

@@ -159,11 +159,9 @@ void MyApp::Draw(wxDC&dc)
 
     dc.DrawRotatedText( "This\nis\na multi-line\ntext", dc.FromDIP(170), dc.FromDIP(100), -m_angle/1.5);
 
-#if wxUSE_UNICODE
     const char *test = "Hebrew    שלום -- Japanese (日本語)";
     wxString tmp = wxConvUTF8.cMB2WC( test );
     dc.DrawText( tmp, dc.FromDIP(10), dc.FromDIP(200) );
-#endif
 
     wxPoint points[5];
     points[0].x = 0;

samples/propgrid/propgrid.cpp

@@ -2713,15 +2713,11 @@ void FormMain::OnAbout(wxCommandEvent& WXUNUSED(event))
 
     wxString msg;
     msg.Printf( "wxPropertyGrid Sample"
-#if wxUSE_UNICODE
   #if defined(wxUSE_UNICODE_UTF8) && wxUSE_UNICODE_UTF8
                 " <utf-8>"
   #else
                 " <unicode>"
   #endif
-#else
-                " <ansi>"
-#endif
 #ifdef __WXDEBUG__
                 " <debug>"
 #else

samples/text/text.cpp

@@ -717,9 +717,7 @@ void MyTextCtrl::LogKeyEvent(const wxString& name, wxKeyEvent& event) const
         }
     }
 
-#if wxUSE_UNICODE
     key += wxString::Format(" (Unicode: %#04x)", event.GetUnicodeKey());
-#endif // wxUSE_UNICODE
 
     wxLogMessage( "%s event: %s (flags = %c%c%c%c)",
                   name,
@@ -1184,11 +1182,7 @@ MyPanel::MyPanel( wxFrame *frame, int x, int y, int w, int h )
                 m_horizontal->SetFont(wxFontInfo(18)
                                         .Family(wxFONTFAMILY_SWISS)
                                         .Encoding(wxFONTENCODING_CP1251));
-#if wxUSE_UNICODE
                 m_horizontal->AppendText(L"\x0412\x0430\x0434\x0438\x043c \x0426");
-#else
-                m_horizontal->AppendText("\313\301\326\305\324\323\321 \325\304\301\336\316\331\315");
-#endif
         }
     }
     else

samples/typetest/typetest.cpp

@@ -45,9 +45,7 @@ wxIMPLEMENT_DYNAMIC_CLASS(MyApp, wxApp);
 wxBEGIN_EVENT_TABLE(MyApp, wxApp)
     EVT_MENU(TYPES_VARIANT,   MyApp::DoVariantDemo)
     EVT_MENU(TYPES_BYTEORDER, MyApp::DoByteOrderDemo)
-#if wxUSE_UNICODE
     EVT_MENU(TYPES_UNICODE,   MyApp::DoUnicodeDemo)
-#endif // wxUSE_UNICODE
     EVT_MENU(TYPES_STREAM, MyApp::DoStreamDemo)
     EVT_MENU(TYPES_STREAM2, MyApp::DoStreamDemo2)
     EVT_MENU(TYPES_STREAM3, MyApp::DoStreamDemo3)
@@ -83,9 +81,7 @@ bool MyApp::OnInit()
     wxMenu *test_menu = new wxMenu;
     test_menu->Append(TYPES_VARIANT, "&Variant test");
     test_menu->Append(TYPES_BYTEORDER, "&Byteorder test");
-#if wxUSE_UNICODE
     test_menu->Append(TYPES_UNICODE, "&Unicode test");
-#endif // wxUSE_UNICODE
     test_menu->Append(TYPES_STREAM, "&Stream test");
     test_menu->Append(TYPES_STREAM2, "&Stream seek test");
     test_menu->Append(TYPES_STREAM3, "&Stream error test");
@@ -870,7 +866,6 @@ void MyApp::DoStreamDemo7(wxCommandEvent& WXUNUSED(event))
     textCtrl.WriteText( str );
 }
 
-#if wxUSE_UNICODE
 void MyApp::DoUnicodeDemo(wxCommandEvent& WXUNUSED(event))
 {
     wxTextCtrl& textCtrl = * GetTextCtrl();
@@ -889,7 +884,6 @@ void MyApp::DoUnicodeDemo(wxCommandEvent& WXUNUSED(event))
     puts( str.mbc_str() );
 
 }
-#endif
 
 void MyApp::DoMIMEDemo(wxCommandEvent& WXUNUSED(event))
 {

samples/typetest/typetest.h

@@ -29,9 +29,7 @@ public:
     void DoStreamDemo5(wxCommandEvent& event);
     void DoStreamDemo6(wxCommandEvent& event);
     void DoStreamDemo7(wxCommandEvent& event);
-#if wxUSE_UNICODE
     void DoUnicodeDemo(wxCommandEvent& event);
-#endif // wxUSE_UNICODE
     void DoMIMEDemo(wxCommandEvent& event);
 
     wxTextCtrl* GetTextCtrl() const { return m_textCtrl; }

samples/xti/codereadercallback.cpp

@@ -39,11 +39,7 @@ using namespace std;
 
 struct wxObjectCodeReaderCallback::wxObjectCodeReaderCallbackInternal
 {
-#if wxUSE_UNICODE
     map<int,wstring> m_objectNames;
-#else
-    map<int,string> m_objectNames;
-#endif
 
     void SetObjectName(int objectID, const wxString &name )
     {

src/common/accelcmn.cpp

@@ -380,13 +380,7 @@ wxString wxAcceleratorEntry::AsPossiblyLocalizedString(bool localized) const
         if ( n == WXSIZEOF(wxKeyNames) )
         {
             // must be a simple key
-            if (
+            if ( wxIsprint(code) )
-#if !wxUSE_UNICODE
-                 // we can't call wxIsalnum() for non-ASCII characters in ASCII
-                 // build as they're only defined for the ASCII range (or EOF)
-                 wxIsascii(code) &&
-#endif // ANSI
-                    wxIsprint(code) )
             {
                 text << (wxChar)code;
             }

src/common/appbase.cpp

@@ -142,12 +142,10 @@ wxAppConsoleBase::wxAppConsoleBase()
 
 #ifdef __WXDEBUG__
     SetTraceMasks();
-#if wxUSE_UNICODE
+    // SetTraceMasks call can cause an apptraits to be
-    // In unicode mode the SetTraceMasks call can cause an apptraits to be
     // created, but since we are still in the constructor the wrong kind will
     // be created for GUI apps.  Destroy it so it can be created again later.
     wxDELETE(m_traits);
-#endif
 #endif
 
     wxEvtHandler::AddFilter(this);
@@ -1173,12 +1171,10 @@ void wxOnAssert(const wxChar *file,
                 const wxChar *cond,
                 const wxChar *msg)
 {
-    // this is the backwards-compatible version (unless we don't use Unicode)
+    // this is the backwards-compatible version
     // so it could be called directly from the user code and this might happen
     // even when wxTheAssertHandler is null
-#if wxUSE_UNICODE
     if ( wxTheAssertHandler )
-#endif // wxUSE_UNICODE
         wxTheAssertHandler(file, line, func, cond, msg);
 }
 
@@ -1200,7 +1196,6 @@ void wxOnAssert(const char *file,
     wxTheAssertHandler(file, line, func, cond, msg);
 }
 
-#if wxUSE_UNICODE
 void wxOnAssert(const char *file,
                 int line,
                 const char *func,
@@ -1226,7 +1221,6 @@ void wxOnAssert(const char *file,
 {
     wxTheAssertHandler(file, line, func, cond, msg);
 }
-#endif // wxUSE_UNICODE
 
 #endif // wxDEBUG_LEVEL
 

src/common/cmdline.cpp

@@ -206,10 +206,8 @@ struct wxCmdLineParserData
     // methods
     wxCmdLineParserData();
     void SetArguments(int argc, char **argv);
-#if wxUSE_UNICODE
     void SetArguments(int argc, wxChar **argv);
     void SetArguments(int argc, const wxCmdLineArgsArray& argv);
-#endif // wxUSE_UNICODE
     void SetArguments(const wxString& cmdline);
 
     int FindOption(const wxString& name);
@@ -443,8 +441,6 @@ void wxCmdLineParserData::SetArguments(int argc, char **argv)
     }
 }
 
-#if wxUSE_UNICODE
-
 void wxCmdLineParserData::SetArguments(int argc, wxChar **argv)
 {
     m_arguments.clear();
@@ -461,8 +457,6 @@ void wxCmdLineParserData::SetArguments(int WXUNUSED(argc),
     m_arguments = argv.GetArguments();
 }
 
-#endif // wxUSE_UNICODE
-
 void wxCmdLineParserData::SetArguments(const wxString& cmdLine)
 {
     m_arguments.clear();
@@ -542,8 +536,6 @@ void wxCmdLineParser::SetCmdLine(int argc, char **argv)
     m_data->SetArguments(argc, argv);
 }
 
-#if wxUSE_UNICODE
-
 void wxCmdLineParser::SetCmdLine(int argc, wxChar **argv)
 {
     m_data->SetArguments(argc, argv);
@@ -554,8 +546,6 @@ void wxCmdLineParser::SetCmdLine(int argc, const wxCmdLineArgsArray& argv)
     m_data->SetArguments(argc, argv);
 }
 
-#endif // wxUSE_UNICODE
-
 void wxCmdLineParser::SetCmdLine(const wxString& cmdline)
 {
     m_data->SetArguments(cmdline);

src/common/datetimefmt.cpp

@@ -1528,9 +1528,7 @@ wxDateTime::ParseFormat(const wxString& date,
                     else if
                     (
                         *input == wxS('-')
-#if wxUSE_UNICODE
                         || *input == wxString::FromUTF8("\xe2\x88\x92")
-#endif
                     )
                         minusFound = true;
                     else

src/common/datstrm.cpp

@@ -43,9 +43,7 @@ union Float64Data
 // ----------------------------------------------------------------------------
 
 wxDataStreamBase::wxDataStreamBase(const wxMBConv& conv)
-#if wxUSE_UNICODE
     : m_conv(conv.Clone())
-#endif // wxUSE_UNICODE
 {
     // It is unused in non-Unicode build, so suppress a warning there.
     wxUnusedVar(conv);
@@ -59,19 +57,15 @@ wxDataStreamBase::wxDataStreamBase(const wxMBConv& conv)
 #endif // wxUSE_APPLE_IEEE
 }
 
-#if wxUSE_UNICODE
 void wxDataStreamBase::SetConv( const wxMBConv &conv )
 {
     delete m_conv;
     m_conv = conv.Clone();
 }
-#endif
 
 wxDataStreamBase::~wxDataStreamBase()
 {
-#if wxUSE_UNICODE
     delete m_conv;
-#endif // wxUSE_UNICODE
 }
 
 // ---------------------------------------------------------------------------
@@ -179,18 +173,12 @@ wxString wxDataInputStream::ReadString()
     const size_t len = Read32();
     if ( len > 0 )
     {
-#if wxUSE_UNICODE
         wxCharBuffer tmp(len);
         if ( tmp )
         {
             m_input->Read(tmp.data(), len);
             ret = m_conv->cMB2WC(tmp.data(), len, nullptr);
         }
-#else
-        wxStringBuffer buf(ret, len);
-        if ( buf )
-            m_input->Read(buf, len);
-#endif
     }
 
     return ret;
@@ -585,13 +573,8 @@ void wxDataOutputStream::Write8(wxUint8 i)
 
 void wxDataOutputStream::WriteString(const wxString& string)
 {
-#if wxUSE_UNICODE
   const wxWX2MBbuf buf = string.mb_str(*m_conv);
   size_t len = buf.length();
-#else
-  const wxWX2MBbuf buf = string.mb_str();
-  size_t len = string.size();
-#endif
   Write32(len);
   if (len > 0)
       m_output->Write(buf, len);

src/common/dynlib.cpp

@@ -175,9 +175,7 @@ wxString wxDynamicLibrary::CanonicalizePluginName(const wxString& name,
     {
         suffix = wxPlatformInfo::Get().GetPortIdShortName();
     }
-#if wxUSE_UNICODE
     suffix << wxT('u');
-#endif
 #ifdef __WXDEBUG__
     suffix << wxT('d');
 #endif

src/common/event.cpp

@@ -768,9 +768,7 @@ wxPoint wxMouseEvent::GetLogicalPosition(const wxDC& dc) const
 // ----------------------------------------------------------------------------
 
 wxKeyEvent::wxKeyEvent(wxEventType type)
-#if wxUSE_UNICODE
     : m_uniChar(WXK_NONE)
-#endif
 {
     m_eventType = type;
     m_keyCode = WXK_NONE;

src/common/ffile.cpp

@@ -161,7 +161,6 @@ bool wxFFile::Write(const wxString& s, const wxMBConv& conv)
 
     const wxWX2MBbuf buf = s.mb_str(conv);
 
-#if wxUSE_UNICODE
     const size_t size = buf.length();
 
     if ( !size )
@@ -171,9 +170,6 @@ bool wxFFile::Write(const wxString& s, const wxMBConv& conv)
         // must fail too to indicate that we can't save the data.
         return false;
     }
-#else
-    const size_t size = s.length();
-#endif
 
     return Write(buf, size) == size;
 }

src/common/file.cpp

@@ -365,7 +365,6 @@ bool wxFile::Write(const wxString& s, const wxMBConv& conv)
 
     const wxWX2MBbuf buf = s.mb_str(conv);
 
-#if wxUSE_UNICODE
     const size_t size = buf.length();
 
     if ( !size )
@@ -375,9 +374,6 @@ bool wxFile::Write(const wxString& s, const wxMBConv& conv)
         // must fail too to indicate that we can't save the data.
         return false;
     }
-#else
-    const size_t size = s.length();
-#endif
 
     return Write(buf, size) == size;
 }

src/common/fileconf.cpp

@@ -424,17 +424,12 @@ wxFileConfig::wxFileConfig(wxInputStream &inStream, const wxMBConv& conv)
     }
     while ( !inStream.Eof() );
 
-#if wxUSE_UNICODE
     size_t len;
     cbuf = conv.cMB2WC((char *)buf.GetData(), buf.GetDataLen() + 1, &len);
     if ( !len && buf.GetDataLen() )
     {
         wxLogError(_("Failed to read config options."));
     }
-#else // !wxUSE_UNICODE
-    // no need for conversion
-    cbuf = wxCharBuffer::CreateNonOwned((char *)buf.GetData(), buf.GetDataLen());
-#endif // wxUSE_UNICODE/!wxUSE_UNICODE
 
     // parse the input contents if there is anything to parse
     if ( cbuf )
@@ -2072,17 +2067,9 @@ static wxString FilterOutEntryName(const wxString& str)
   for ( const wxChar *pc = str.c_str(); *pc != wxT('\0'); pc++ ) {
     const wxChar c = *pc;
 
-    // we explicitly allow some of "safe" chars and 8bit ASCII characters
-    // which will probably never have special meaning and with which we can't
-    // use isalnum() anyhow (in ASCII built, in Unicode it's just fine)
-    //
     // NB: note that wxCONFIG_IMMUTABLE_PREFIX and wxCONFIG_PATH_SEPARATOR
     //     should *not* be quoted
-    if (
+    if ( !wxIsalnum(c) && !wxStrchr(wxT("@_/-!.*%()"), c) )
-#if !wxUSE_UNICODE
-            ((unsigned char)c < 127) &&
-#endif // ANSI
-         !wxIsalnum(c) && !wxStrchr(wxT("@_/-!.*%()"), c) )
     {
       strResult += wxT('\\');
     }

src/common/filefn.cpp

@@ -734,9 +734,6 @@ wxChar *wxDoGetCwd(wxChar *buf, int sz)
 
     // for the compilers which have Unicode version of _getcwd(), call it
     // directly, for the others call the ANSI version and do the translation
-#if !wxUSE_UNICODE
-    #define cbuf buf
-#else // wxUSE_UNICODE
     bool needsANSI = true;
 
     #if !defined(HAVE_WGETCWD)
@@ -752,7 +749,6 @@ wxChar *wxDoGetCwd(wxChar *buf, int sz)
     #endif
 
     if ( needsANSI )
-#endif // wxUSE_UNICODE
     {
     #if defined(_MSC_VER) || defined(__MINGW32__)
         ok = _getcwd(cbuf, sz) != nullptr;
@@ -760,10 +756,8 @@ wxChar *wxDoGetCwd(wxChar *buf, int sz)
         ok = getcwd(cbuf, sz) != nullptr;
     #endif // platform
 
-    #if wxUSE_UNICODE
         // finally convert the result to Unicode if needed
         wxConvFile.MB2WC(buf, cbuf, sz);
-    #endif // wxUSE_UNICODE
     }
 
     if ( !ok )
@@ -783,7 +777,6 @@ wxChar *wxDoGetCwd(wxChar *buf, int sz)
 #if defined( __CYGWIN__ ) && defined( __WINDOWS__ )
         // another example of DOS/Unix mix (Cygwin)
         wxString pathUnix = buf;
-#if wxUSE_UNICODE
     #if CYGWIN_VERSION_DLL_MAJOR >= 1007
         cygwin_conv_path(CCP_POSIX_TO_WIN_W, pathUnix.mb_str(wxConvFile), buf, sz);
     #else
@@ -791,22 +784,10 @@ wxChar *wxDoGetCwd(wxChar *buf, int sz)
         cygwin_conv_to_full_win32_path(pathUnix.mb_str(wxConvFile), bufA);
         wxConvFile.MB2WC(buf, bufA, sz);
     #endif
-#else
-    #if CYGWIN_VERSION_DLL_MAJOR >= 1007
-        cygwin_conv_path(CCP_POSIX_TO_WIN_A, pathUnix, buf, sz);
-    #else
-        cygwin_conv_to_full_win32_path(pathUnix, buf);
-    #endif
-#endif // wxUSE_UNICODE
 #endif // __CYGWIN__
     }
 
     return buf;
-
-#if !wxUSE_UNICODE
-    #undef cbuf
-#endif
-
 }
 
 wxString wxGetCwd()

src/common/http.cpp

@@ -211,14 +211,9 @@ wxHTTP::SetPostText(const wxString& contentType,
                     const wxString& data,
                     const wxMBConv& conv)
 {
-#if wxUSE_UNICODE
     wxScopedCharBuffer scb = data.mb_str(conv);
     const size_t len = scb.length();
     const char* const buf = scb.data();
-#else // !wxUSE_UNICODE
-    const size_t len = data.length();
-    const char* const buf = data.mb_str(conv);
-#endif // wxUSE_UNICODE/!wxUSE_UNICODE
 
     if ( !len )
         return false;

src/common/init.cpp

@@ -51,7 +51,7 @@
     #endif // wxCrtSetDbgFlag
 #endif // __WINDOWS__
 
-#if wxUSE_UNICODE && defined(__WXOSX__)
+#if defined(__WXOSX__)
     #include <locale.h>
 #endif
 
@@ -132,10 +132,8 @@ static struct InitData
     InitData()
         : nInitCount(0)
     {
-#if wxUSE_UNICODE
         argc = argcOrig = 0;
         // argv = argvOrig = nullptr; -- not even really needed
-#endif // wxUSE_UNICODE
     }
 
     // number of times wxInitialize() was called minus the number of times
@@ -145,7 +143,6 @@ static struct InitData
     // only one of them to actually initialize the library
     wxAtomicInt nInitCount;
 
-#if wxUSE_UNICODE
     int argc;
 
     // if we receive the command line arguments as ASCII and have to convert
@@ -159,7 +156,6 @@ static struct InitData
     // the latter to be able to free everything correctly
     int argcOrig;
     wchar_t **argvOrig;
-#endif // wxUSE_UNICODE
 
     wxDECLARE_NO_COPY_CLASS(InitData);
 } gs_initData;
@@ -172,8 +168,6 @@ static struct InitData
 // command line arguments ANSI -> Unicode conversion
 // ----------------------------------------------------------------------------
 
-#if wxUSE_UNICODE
-
 static void ConvertArgsToUnicode(int argc, char **argv)
 {
     gs_initData.argvOrig = new wchar_t *[argc + 1];
@@ -219,8 +213,6 @@ static void FreeConvertedArgs()
     }
 }
 
-#endif // wxUSE_UNICODE
-
 // ----------------------------------------------------------------------------
 // start up
 // ----------------------------------------------------------------------------
@@ -228,7 +220,7 @@ static void FreeConvertedArgs()
 // initialization which is always done (not customizable) before wxApp creation
 static bool DoCommonPreInit()
 {
-#if wxUSE_UNICODE && defined(__WXOSX__)
+#if defined(__WXOSX__)
     // In OS X and iOS, wchar_t CRT functions convert to char* and fail under
     // some locales. The safest fix is to set LC_CTYPE to UTF-8 to ensure that
     // they can handle any input.
@@ -238,7 +230,7 @@ static bool DoCommonPreInit()
     //
     // See https://stackoverflow.com/questions/11713745/why-does-the-printf-family-of-functions-care-about-locale
     setlocale(LC_CTYPE, "UTF-8");
-#endif // wxUSE_UNICODE && defined(__WXOSX__)
+#endif // defined(__WXOSX__)
 
 #if wxUSE_LOG
     // Reset logging in case we were cleaned up and are being reinitialized.
@@ -332,11 +324,7 @@ bool wxEntryStart(int& argc, wxChar **argv)
     // remember, possibly modified (e.g. due to removal of toolkit-specific
     // parameters), command line arguments in member variables
     app->argc = argc;
-#if wxUSE_UNICODE
     app->argv.Init(argc, argv);
-#else
-    app->argv = argv;
-#endif
 
     wxCallAppCleanup callAppCleanup(app.get());
 
@@ -365,8 +353,6 @@ bool wxEntryStart(int& argc, wxChar **argv)
     return true;
 }
 
-#if wxUSE_UNICODE
-
 // we provide a wxEntryStart() wrapper taking "char *" pointer too
 bool wxEntryStart(int& argc, char **argv)
 {
@@ -382,8 +368,6 @@ bool wxEntryStart(int& argc, char **argv)
     return true;
 }
 
-#endif // wxUSE_UNICODE
-
 // ----------------------------------------------------------------------------
 // clean up
 // ----------------------------------------------------------------------------
@@ -411,9 +395,7 @@ static void DoCommonPostCleanup()
 
     // we can't do this in wxApp itself because it doesn't know if argv had
     // been allocated
-#if wxUSE_UNICODE
     FreeConvertedArgs();
-#endif // wxUSE_UNICODE
 
     // use Set(nullptr) and not Get() to avoid creating a message output object on
     // demand when we just want to delete it
@@ -505,8 +487,6 @@ int wxEntryReal(int& argc, wxChar **argv)
     wxCATCH_ALL( wxTheApp->OnUnhandledException(); return -1; )
 }
 
-#if wxUSE_UNICODE
-
 // as with wxEntryStart, we provide an ANSI wrapper
 int wxEntry(int& argc, char **argv)
 {
@@ -515,8 +495,6 @@ int wxEntry(int& argc, char **argv)
     return wxEntry(gs_initData.argc, gs_initData.argv);
 }
 
-#endif // wxUSE_UNICODE
-
 // ----------------------------------------------------------------------------
 // wxInitialize/wxUninitialize
 // ----------------------------------------------------------------------------
@@ -538,7 +516,6 @@ bool wxInitialize(int& argc, wxChar **argv)
     return wxEntryStart(argc, argv);
 }
 
-#if wxUSE_UNICODE
 bool wxInitialize(int& argc, char **argv)
 {
     if ( wxAtomicInc(gs_initData.nInitCount) != 1 )
@@ -549,7 +526,6 @@ bool wxInitialize(int& argc, char **argv)
 
     return wxEntryStart(argc, argv);
 }
-#endif // wxUSE_UNICODE
 
 void wxUninitialize()
 {

src/common/intl.cpp

@@ -461,7 +461,7 @@ bool wxLocale::Init(int lang, int flags)
     const char *retloc = lang == wxLANGUAGE_DEFAULT ? wxSetlocale(LC_ALL, "")
                                                     : info->TrySetLocale();
 
-#if wxUSE_UNICODE && (defined(__VISUALC__) || defined(__MINGW32__))
+#if defined(__VISUALC__) || defined(__MINGW32__)
     // VC++ setlocale() (also used by Mingw) can't set locale to languages that
     // can only be written using Unicode, therefore wxSetlocale() call fails
     // for such languages but we don't want to report it as an error -- so that
@@ -770,12 +770,8 @@ bool wxLocale::AddCatalog(const wxString& szDomain,
     wxTranslations *t = wxTranslations::Get();
     if ( !t )
         return false;
-#if wxUSE_UNICODE
     wxUnusedVar(msgIdCharset);
     return t->AddCatalog(szDomain, msgIdLanguage);
-#else
-    return t->AddCatalog(szDomain, msgIdLanguage, msgIdCharset);
-#endif
 }
 
 bool wxLocale::IsLoaded(const wxString& domain) const

src/common/ipcbase.cpp

@@ -79,7 +79,6 @@ wxString wxConnectionBase::GetTextFromData(const void* data,
             s = wxString(static_cast<const char *>(data), size);
             break;
 
-#if wxUSE_UNICODE
         // TODO: we should handle both wxIPC_UTF16TEXT and wxIPC_UTF32TEXT here
         //       for inter-platform IPC
         case wxIPC_UNICODETEXT:
@@ -99,7 +98,6 @@ wxString wxConnectionBase::GetTextFromData(const void* data,
 
             s = wxString::FromUTF8(static_cast<const char *>(data), size);
             break;
-#endif // wxUSE_UNICODE
 
         default:
             wxFAIL_MSG( "non-string IPC format in GetTextFromData()" );

src/common/regex.cpp

@@ -52,7 +52,7 @@
 
 #if wxUSE_PCRE
     // Use the same code unit width for PCRE as we use for wxString.
-#   if !wxUSE_UNICODE || wxUSE_UNICODE_UTF8
+#   if wxUSE_UNICODE_UTF8
 #       define PCRE2_CODE_UNIT_WIDTH 8
         typedef char wxRegChar;
 #   elif wxUSE_UNICODE_UTF16
@@ -280,9 +280,7 @@ typedef char wxRegErrorChar;
             return regexec(preg, string, nmatch, pmatch, eflags);
         }
 #   endif
-#   if wxUSE_UNICODE
 #   define WXREGEX_CONVERT_TO_MB
-#   endif
 #   define wx_regcomp regcomp
 #   define wx_regfree regfree
 #   define wx_regerror regerror

src/common/sstream.cpp

@@ -35,16 +35,10 @@
 // TODO:  Do we want to include the null char in the stream?  If so then
 // just add +1 to m_len in the ctor
 wxStringInputStream::wxStringInputStream(const wxString& s)
-#if wxUSE_UNICODE
     // FIXME-UTF8: use wxCharBufferWithLength if we have it
     : m_str(s), m_buf(s.utf8_str()), m_len(strlen(m_buf))
-#else
-    : m_str(s), m_buf(s.mb_str()), m_len(s.length())
-#endif
 {
-#if wxUSE_UNICODE
     wxASSERT_MSG(m_buf.data() != nullptr, wxT("Could not convert string to UTF8!"));
-#endif
     m_pos = 0;
 }
 
@@ -127,13 +121,10 @@ size_t wxStringInputStream::OnSysRead(void *buffer, size_t size)
 
 wxStringOutputStream::wxStringOutputStream(wxString *pString, wxMBConv& conv)
     : m_conv(conv)
-#if wxUSE_UNICODE
     , m_unconv(0)
-#endif // wxUSE_UNICODE
 {
     m_str = pString ? pString : &m_strInternal;
 
-#if wxUSE_UNICODE
     // We can avoid doing the conversion in the common case of using UTF-8
     // conversion in UTF-8 build, as it is exactly the same as the string
     // length anyhow in this case.
@@ -143,9 +134,6 @@ wxStringOutputStream::wxStringOutputStream(wxString *pString, wxMBConv& conv)
     else
 #endif // wxUSE_UNICODE_UTF8
         m_pos = m_conv.FromWChar(nullptr, 0, m_str->wc_str(), m_str->length());
-#else // !wxUSE_UNICODE
-    m_pos = m_str->length();
-#endif // wxUSE_UNICODE/!wxUSE_UNICODE
 }
 
 // ----------------------------------------------------------------------------
@@ -165,7 +153,6 @@ size_t wxStringOutputStream::OnSysWrite(const void *buffer, size_t size)
 {
     const char *p = static_cast<const char *>(buffer);
 
-#if wxUSE_UNICODE
     // the part of the string we have here may be incomplete, i.e. it can stop
     // in the middle of an UTF-8 character and so converting it would fail; if
     // this is the case, accumulate the part which we failed to convert until
@@ -207,10 +194,6 @@ size_t wxStringOutputStream::OnSysWrite(const void *buffer, size_t size)
         // not update m_pos as m_str hasn't changed
         return size;
     }
-#else // !wxUSE_UNICODE
-    // no recoding necessary
-    m_str->append(p, size);
-#endif // wxUSE_UNICODE/!wxUSE_UNICODE
 
     // update position
     m_pos += size;

src/common/string.cpp

@@ -188,7 +188,7 @@ static wxStrCacheStatsDumper s_showCacheStats;
 
 wxSTD ostream& operator<<(wxSTD ostream& os, const wxCStrData& str)
 {
-#if wxUSE_UNICODE && !wxUSE_UNICODE_UTF8
+#if !wxUSE_UNICODE_UTF8
     return os << wxConvWhateverWorks.cWX2MB(str);
 #else
     return os << str.AsInternal();
@@ -214,7 +214,7 @@ wxSTD ostream& operator<<(wxSTD ostream& os, const wxScopedWCharBuffer& str)
     return os << wxConvWhateverWorks.cWC2MB(str.data());
 }
 
-#if wxUSE_UNICODE && defined(HAVE_WOSTREAM)
+#if defined(HAVE_WOSTREAM)
 
 wxSTD wostream& operator<<(wxSTD wostream& wos, const wxString& str)
 {
@@ -231,7 +231,7 @@ wxSTD wostream& operator<<(wxSTD wostream& wos, const wxScopedWCharBuffer& str)
     return wos << str.data();
 }
 
-#endif  // wxUSE_UNICODE && defined(HAVE_WOSTREAM)
+#endif  // defined(HAVE_WOSTREAM)
 
 #endif // wxUSE_STD_IOSTREAM
 
@@ -314,7 +314,6 @@ static inline void DeleteStringFromConversionCache(T& hash, const wxString *s)
     }
 }
 
-#if wxUSE_UNICODE
 // NB: non-STL implementation doesn't compile with "const wxString*" key type,
 //     so we have to use wxString* here and const-cast when used
 WX_DECLARE_HASH_MAP(wxString*, char*, wxPointerHash, wxPointerEqual,
@@ -332,7 +331,6 @@ const char* wxCStrData::AsChar() const
 
     return s + m_offset;
 }
-#endif // wxUSE_UNICODE
 
 #if !wxUSE_UNICODE_WCHAR
 WX_DECLARE_HASH_MAP(wxString*, wchar_t*, wxPointerHash, wxPointerEqual,
@@ -354,10 +352,8 @@ const wchar_t* wxCStrData::AsWChar() const
 
 wxString::~wxString()
 {
-#if wxUSE_UNICODE
     // FIXME-UTF8: do this only if locale is not UTF8 if wxUSE_UNICODE_UTF8
     DeleteStringFromConversionCache(gs_stringsCharCache, this);
-#endif
 #if !wxUSE_UNICODE_WCHAR
     DeleteStringFromConversionCache(gs_stringsWCharCache, this);
 #endif
@@ -437,7 +433,7 @@ wxString::SubstrBufFromMB wxString::ConvertStr(const char *psz, size_t nLength,
 }
 #endif // wxUSE_UNICODE_UTF8
 
-#if wxUSE_UNICODE_UTF8 || !wxUSE_UNICODE
+#if wxUSE_UNICODE_UTF8
 /* static */
 wxString::SubstrBufFromWC wxString::ConvertStr(const wchar_t *pwz, size_t nLength,
                                                const wxMBConv& conv)
@@ -456,7 +452,7 @@ wxString::SubstrBufFromWC wxString::ConvertStr(const wchar_t *pwz, size_t nLengt
     else
         return SubstrBufFromWC(mbBuf, mbLen);
 }
-#endif // wxUSE_UNICODE_UTF8 || !wxUSE_UNICODE
+#endif // wxUSE_UNICODE_UTF8
 
 // This std::string::c_str()-like method returns a wide char pointer to string
 // contents. In wxUSE_UNICODE_WCHAR case it is trivial as it can simply return
@@ -515,8 +511,6 @@ const wchar_t *wxString::AsWChar(const wxMBConv& conv) const
 // contents: this always requires converting it to the specified encoding in
 // non-ANSI build except if we need to convert to UTF-8 and this is what we
 // already use internally.
-#if wxUSE_UNICODE
-
 const char *wxString::AsChar(const wxMBConv& conv) const
 {
 #if wxUSE_UNICODE_UTF8
@@ -548,8 +542,6 @@ const char *wxString::AsChar(const wxMBConv& conv) const
     return m_convertedToChar.m_str;
 }
 
-#endif // wxUSE_UNICODE
-
 // shrink to minimal size (releasing extra memory)
 bool wxString::Shrink()
 {
@@ -1010,40 +1002,28 @@ size_t wxString::find_last_not_of(wxUniChar ch, size_t nStart) const
 }
 
 // the functions above were implemented for wchar_t* arguments in Unicode
-// build and char* in ANSI build; below are implementations for the other
+// build; below are implementations for the char* arguments
-// version:
+size_t wxString::find_first_of(const char* sz, size_t nStart) const
-#if wxUSE_UNICODE
+    { return find_first_of(wxConvLibc.cMB2WC(sz), nStart); }
-    #define wxOtherCharType char
-    #define STRCONV         (const wxChar*)wxConvLibc.cMB2WC
-#else
-    #define wxOtherCharType wchar_t
-    #define STRCONV         (const wxChar*)wxConvLibc.cWC2MB
-#endif
 
-size_t wxString::find_first_of(const wxOtherCharType* sz, size_t nStart) const
+size_t wxString::find_first_of(const char* sz, size_t nStart,
-    { return find_first_of(STRCONV(sz), nStart); }
-
-size_t wxString::find_first_of(const wxOtherCharType* sz, size_t nStart,
                                size_t n) const
-    { return find_first_of(STRCONV(sz, n, nullptr), nStart, n); }
+    { return find_first_of(wxConvLibc.cMB2WC(sz, n, nullptr), nStart, n); }
-size_t wxString::find_last_of(const wxOtherCharType* sz, size_t nStart) const
+size_t wxString::find_last_of(const char* sz, size_t nStart) const
-    { return find_last_of(STRCONV(sz), nStart); }
+    { return find_last_of(wxConvLibc.cMB2WC(sz), nStart); }
-size_t wxString::find_last_of(const wxOtherCharType* sz, size_t nStart,
+size_t wxString::find_last_of(const char* sz, size_t nStart,
                               size_t n) const
-    { return find_last_of(STRCONV(sz, n, nullptr), nStart, n); }
+    { return find_last_of(wxConvLibc.cMB2WC(sz, n, nullptr), nStart, n); }
-size_t wxString::find_first_not_of(const wxOtherCharType* sz, size_t nStart) const
+size_t wxString::find_first_not_of(const char* sz, size_t nStart) const
-    { return find_first_not_of(STRCONV(sz), nStart); }
+    { return find_first_not_of(wxConvLibc.cMB2WC(sz), nStart); }
-size_t wxString::find_first_not_of(const wxOtherCharType* sz, size_t nStart,
+size_t wxString::find_first_not_of(const char* sz, size_t nStart,
                                    size_t n) const
-    { return find_first_not_of(STRCONV(sz, n, nullptr), nStart, n); }
+    { return find_first_not_of(wxConvLibc.cMB2WC(sz, n, nullptr), nStart, n); }
-size_t wxString::find_last_not_of(const wxOtherCharType* sz, size_t nStart) const
+size_t wxString::find_last_not_of(const char* sz, size_t nStart) const
-    { return find_last_not_of(STRCONV(sz), nStart); }
+    { return find_last_not_of(wxConvLibc.cMB2WC(sz), nStart); }
-size_t wxString::find_last_not_of(const wxOtherCharType* sz, size_t nStart,
+size_t wxString::find_last_not_of(const char* sz, size_t nStart,
                                   size_t n) const
-    { return find_last_not_of(STRCONV(sz, n, nullptr), nStart, n); }
+    { return find_last_not_of(wxConvLibc.cMB2WC(sz, n, nullptr), nStart, n); }
-
-#undef wxOtherCharType
-#undef STRCONV
 
 #endif // !wxUSE_STL_BASED_WXSTRING || wxUSE_UNICODE_UTF8
 
@@ -1137,8 +1117,6 @@ int wxString::CmpNoCase(const wxString& s) const
 }
 
 
-#if wxUSE_UNICODE
-
 wxString wxString::FromAscii(const char *ascii, size_t len)
 {
     wxString res;
@@ -1201,8 +1179,6 @@ const wxScopedCharBuffer wxString::ToAscii(char replaceWith) const
     return buffer;
 }
 
-#endif // wxUSE_UNICODE
-
 // extract string of length nCount starting at nFirst
 wxString wxString::Mid(size_t nFirst, size_t nCount) const
 {
@@ -1735,7 +1711,7 @@ bool wxString::ToCLong(long *pVal, int base) const
     wxASSERT_MSG( !base || (base > 1 && base <= 36), wxT("invalid base") );
 
     WX_STRING_TO_X_TYPE_START
-#if (wxUSE_UNICODE_UTF8 || !wxUSE_UNICODE) && defined(wxHAS_XLOCALE_SUPPORT)
+#if wxUSE_UNICODE_UTF8 && defined(wxHAS_XLOCALE_SUPPORT)
     long val = wxStrtol_lA(start, &end, base, wxCLocale);
 #else
     long val = wxStrtol_l(start, &end, base, wxCLocale);
@@ -1748,7 +1724,7 @@ bool wxString::ToCULong(unsigned long *pVal, int base) const
     wxASSERT_MSG( !base || (base > 1 && base <= 36), wxT("invalid base") );
 
     WX_STRING_TO_X_TYPE_START
-#if (wxUSE_UNICODE_UTF8 || !wxUSE_UNICODE) && defined(wxHAS_XLOCALE_SUPPORT)
+#if wxUSE_UNICODE_UTF8 && defined(wxHAS_XLOCALE_SUPPORT)
     unsigned long val = wxStrtoul_lA(start, &end, base, wxCLocale);
 #else
     unsigned long val = wxStrtoul_l(start, &end, base, wxCLocale);
@@ -1759,7 +1735,7 @@ bool wxString::ToCULong(unsigned long *pVal, int base) const
 bool wxString::ToCDouble(double *pVal) const
 {
     WX_STRING_TO_X_TYPE_START
-#if (wxUSE_UNICODE_UTF8 || !wxUSE_UNICODE) && defined(wxHAS_XLOCALE_SUPPORT)
+#if wxUSE_UNICODE_UTF8 && defined(wxHAS_XLOCALE_SUPPORT)
     double val = wxStrtod_lA(start, &end, wxCLocale);
 #else
     double val = wxStrtod_l(start, &end, wxCLocale);

src/common/stringops.cpp

@@ -26,7 +26,7 @@
 // implementation
 // ===========================================================================
 
-#if wxUSE_UNICODE_WCHAR || !wxUSE_UNICODE
+#if wxUSE_UNICODE_WCHAR
 
 #if wxUSE_UNICODE_UTF16
 
@@ -88,7 +88,7 @@ wxWxCharBuffer wxStringOperationsWchar::EncodeNChars(size_t n, const wxUniChar&
 
 #endif // wxUSE_UNICODE_UTF16
 
-#endif // wxUSE_UNICODE_WCHAR || !wxUSE_UNICODE
+#endif // wxUSE_UNICODE_WCHAR
 
 #if wxUSE_UNICODE_UTF8
 

src/common/strvararg.cpp

@@ -493,27 +493,6 @@ class wxPrintfFormatConverterUtf8 : public wxFormatConverterBase<char>
 };
 #endif // wxUSE_UNICODE_UTF8
 
-#if !wxUSE_UNICODE // FIXME-UTF8: remove
-class wxPrintfFormatConverterANSI : public wxFormatConverterBase<char>
-{
-    virtual void HandleString(CharType WXUNUSED(conv),
-                              SizeModifier WXUNUSED(size),
-                              CharType& outConv, SizeModifier& outSize)
-    {
-        outConv = 's';
-        outSize = Size_Default;
-    }
-
-    virtual void HandleChar(CharType WXUNUSED(conv),
-                            SizeModifier WXUNUSED(size),
-                            CharType& outConv, SizeModifier& outSize)
-    {
-        outConv = 'c';
-        outSize = Size_Default;
-    }
-};
-#endif // ANSI
-
 #ifndef __WINDOWS__
 /*
 
@@ -605,17 +584,13 @@ const char* wxFormatString::InputAsChar()
 const char* wxFormatString::AsChar()
 {
     if ( !m_convertedChar )
-#if !wxUSE_UNICODE // FIXME-UTF8: remove this
-        m_convertedChar = wxPrintfFormatConverterANSI().Convert(InputAsChar());
-#else
         m_convertedChar = wxPrintfFormatConverterUtf8().Convert(InputAsChar());
-#endif
 
     return m_convertedChar.data();
 }
 #endif // !wxUSE_UNICODE_WCHAR
 
-#if wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
+#if !wxUSE_UTF8_LOCALE_ONLY
 const wchar_t* wxFormatString::InputAsWChar()
 {
     if ( m_wchar )
@@ -655,7 +630,7 @@ const wchar_t* wxFormatString::AsWChar()
 
     return m_convertedWChar.data();
 }
-#endif // wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
+#endif // !wxUSE_UTF8_LOCALE_ONLY
 
 wxString wxFormatString::InputAsString() const
 {

src/common/tarstrm.cpp

@@ -274,7 +274,6 @@ bool wxTarHeaderBlock::SetPath(const wxString& name, wxMBConv& conv)
 {
     bool badconv = false;
 
-#if wxUSE_UNICODE
     wxCharBuffer nameBuf = name.mb_str(conv);
 
     // if the conversion fails make an approximation
@@ -291,10 +290,6 @@ bool wxTarHeaderBlock::SetPath(const wxString& name, wxMBConv& conv)
     }
 
     const char *mbName = nameBuf;
-#else
-    const char *mbName = name.c_str();
-    (void)conv;
-#endif
 
     bool fits;
     bool notGoingToFit = false;
@@ -1434,16 +1429,8 @@ void wxTarOutputStream::SetExtendedHeader(const wxString& key,
                                           const wxString& value)
 {
     if (m_pax) {
-#if wxUSE_UNICODE
         const wxCharBuffer utf_key = key.utf8_str();
         const wxCharBuffer utf_value = value.utf8_str();
-#else
-        const wxWX2WCbuf wide_key = key.wc_str(GetConv());
-        const wxCharBuffer utf_key = wxConvUTF8.cWC2MB(wide_key);
-
-        const wxWX2WCbuf wide_value = value.wc_str(GetConv());
-        const wxCharBuffer utf_value = wxConvUTF8.cWC2MB(wide_value);
-#endif // wxUSE_UNICODE/!wxUSE_UNICODE
 
         // a small buffer to format the length field in
         char buf[32];

src/common/textcmn.cpp

@@ -1142,14 +1142,11 @@ bool wxTextCtrlBase::EmulateKeyPress(const wxKeyEvent& event)
             break;
 
         default:
-#if wxUSE_UNICODE
             if ( event.GetUnicodeKey() )
             {
                 ch = event.GetUnicodeKey();
             }
-            else
+            else if ( keycode < 256 && keycode >= 0 && wxIsprint(keycode) )
-#endif
-            if ( keycode < 256 && keycode >= 0 && wxIsprint(keycode) )
             {
                 // FIXME this is not going to work for non letters...
                 if ( !event.ShiftDown() )

src/common/textentrycmn.cpp

@@ -313,9 +313,7 @@ bool wxTextEntryBase::CanPaste() const
 #if wxUSE_CLIPBOARD
         // check if there is any text on the clipboard
         if ( wxTheClipboard->IsSupported(wxDF_TEXT)
-#if wxUSE_UNICODE
                 || wxTheClipboard->IsSupported(wxDF_UNICODETEXT)
-#endif // wxUSE_UNICODE
            )
         {
             return true;

src/common/tokenzr.cpp

@@ -126,11 +126,7 @@ void wxStringTokenizer::SetString(const wxString& str,
         }
     }
 
-#if wxUSE_UNICODE // FIXME-UTF8: only wc_str()
     m_delims = delims.wc_str();
-#else
-    m_delims = delims.mb_str();
-#endif
     m_delimsLen = delims.length();
 
     m_mode = mode;

src/common/translation.cpp

@@ -79,13 +79,6 @@ const size_t32 MSGCATALOG_MAGIC_SW = 0xde120495;
 namespace
 {
 
-#if !wxUSE_UNICODE
-// We need to keep track of (char*) msgids in non-Unicode legacy builds. Instead
-// of making the public wxMsgCatalog and wxTranslationsLoader APIs ugly, we
-// store them in this global map.
-wxStringToStringHashMap gs_msgIdCharset;
-#endif
-
 // ----------------------------------------------------------------------------
 // Platform specific helpers
 // ----------------------------------------------------------------------------
@@ -1131,12 +1124,6 @@ bool wxMsgCatalogFile::FillHash(wxStringToStringHashMap& hash,
     wxScopedPtr<wxMBConv> inputConvPtr; // just to delete inputConv if needed
 
     if ( !m_charset.empty() )
-    {
-#if !wxUSE_UNICODE && wxUSE_FONTMAP
-        // determine if we need any conversion at all
-        wxFontEncoding encCat = wxFontMapperBase::GetEncodingFromName(m_charset);
-        if ( encCat != wxLocale::GetSystemEncoding() )
-#endif
     {
         inputConv = new wxCSConv(m_charset);
 
@@ -1144,27 +1131,13 @@ bool wxMsgCatalogFile::FillHash(wxStringToStringHashMap& hash,
         // this happens.
         inputConvPtr.reset(inputConv);
     }
-    }
+    else // no need to convert the encoding
-    else // no need or not possible to convert the encoding
     {
-#if wxUSE_UNICODE
         // we must somehow convert the narrow strings in the message catalog to
         // wide strings, so use the default conversion if we have no charset
         inputConv = wxConvCurrent;
-#endif
     }
 
-#if !wxUSE_UNICODE
-    wxString msgIdCharset = gs_msgIdCharset[domain];
-
-    // conversion to apply to msgid strings before looking them up: we only
-    // need it if the msgids are neither in 7 bit ASCII nor in the same
-    // encoding as the catalog
-    wxScopedPtr<wxCSConv> sourceConv;
-    if ( !msgIdCharset.empty() && (msgIdCharset != m_charset) )
-        sourceConv.reset(new wxCSConv(msgIdCharset));
-#endif // !wxUSE_UNICODE
-
     for (size_t32 i = 0; i < m_numStrings; i++)
     {
         const char *data = StringAtOfs(m_pOrigTable, i);
@@ -1172,15 +1145,7 @@ bool wxMsgCatalogFile::FillHash(wxStringToStringHashMap& hash,
             return false; // may happen for invalid MO files
 
         wxString msgid;
-#if wxUSE_UNICODE
         msgid = wxString(data, *inputConv);
-#else // ASCII
-        if ( inputConv && sourceConv )
-            msgid = wxString(inputConv->cMB2WC(data), *sourceConv);
-        else
-            msgid = data;
-#endif // wxUSE_UNICODE
-
         data = StringAtOfs(m_pTransTable, i);
         if (!data)
             return false; // may happen for invalid MO files
@@ -1193,15 +1158,7 @@ bool wxMsgCatalogFile::FillHash(wxStringToStringHashMap& hash,
             const char * const str = data + offset;
 
             wxString msgstr;
-#if wxUSE_UNICODE
             msgstr = wxString(str, *inputConv);
-#else
-            if ( inputConv )
-                msgstr = wxString(inputConv->cMB2WC(str), *wxConvUI);
-            else
-                msgstr = str;
-#endif // wxUSE_UNICODE/!wxUSE_UNICODE
-
             if ( !msgstr.empty() )
             {
                 hash[index == 0 ? msgid : msgid + wxChar(index)] = msgstr;
@@ -1226,23 +1183,6 @@ bool wxMsgCatalogFile::FillHash(wxStringToStringHashMap& hash,
 // wxMsgCatalog class
 // ----------------------------------------------------------------------------
 
-#if !wxUSE_UNICODE
-wxMsgCatalog::~wxMsgCatalog()
-{
-    if ( m_conv )
-    {
-        if ( wxConvUI == m_conv )
-        {
-            // we only change wxConvUI if it points to wxConvLocal so we reset
-            // it back to it too
-            wxConvUI = &wxConvLocal;
-        }
-
-        delete m_conv;
-    }
-}
-#endif // !wxUSE_UNICODE
-
 /* static */
 wxMsgCatalog *wxMsgCatalog::CreateFromFile(const wxString& filename,
                                            const wxString& domain)
@@ -1415,16 +1355,6 @@ bool wxTranslations::AddStdCatalog()
     return false;
 }
 
-#if !wxUSE_UNICODE
-bool wxTranslations::AddCatalog(const wxString& domain,
-                                wxLanguage msgIdLanguage,
-                                const wxString& msgIdCharset)
-{
-    gs_msgIdCharset[domain] = msgIdCharset;
-    return AddCatalog(domain, msgIdLanguage);
-}
-#endif // !wxUSE_UNICODE
-
 bool wxTranslations::AddCatalog(const wxString& domain,
                                 wxLanguage msgIdLanguage)
 {

src/common/txtstrm.cpp

@@ -26,7 +26,6 @@
 // wxTextInputStream
 // ----------------------------------------------------------------------------
 
-#if wxUSE_UNICODE
 wxTextInputStream::wxTextInputStream(wxInputStream &s,
                                      const wxString &sep,
                                      const wxMBConv& conv)
@@ -39,22 +38,10 @@ wxTextInputStream::wxTextInputStream(wxInputStream &s,
     m_lastWChar = 0;
 #endif // SIZEOF_WCHAR_T == 2
 }
-#else
-wxTextInputStream::wxTextInputStream(wxInputStream &s, const wxString &sep)
-  : m_input(s), m_separators(sep)
-{
-    m_validBegin =
-    m_validEnd = 0;
-
-    m_lastBytes[0] = 0;
-}
-#endif
 
 wxTextInputStream::~wxTextInputStream()
 {
-#if wxUSE_UNICODE
     delete m_conv;
-#endif // wxUSE_UNICODE
 }
 
 void wxTextInputStream::UngetLast()
@@ -70,7 +57,6 @@ void wxTextInputStream::UngetLast()
 
 wxChar wxTextInputStream::GetChar()
 {
-#if wxUSE_UNICODE
 #if SIZEOF_WCHAR_T == 2
     // Return the already raed character remaining from the last call to this
     // function, if any.
@@ -169,20 +155,6 @@ wxChar wxTextInputStream::GetChar()
     m_validEnd = sizeof(m_lastBytes);
 
     return 0;
-#else
-    m_lastBytes[0] = m_input.GetC();
-
-    if(m_input.LastRead() <= 0)
-    {
-        m_validEnd = 0;
-        return 0;
-    }
-
-    m_validEnd = 1;
-
-    return m_lastBytes[0];
-#endif
-
 }
 
 wxChar wxTextInputStream::NextNonSeparators()
@@ -377,7 +349,7 @@ wxTextInputStream& wxTextInputStream::operator>>(char& c)
     return *this;
 }
 
-#if wxUSE_UNICODE && wxWCHAR_T_IS_REAL_TYPE
+#if wxWCHAR_T_IS_REAL_TYPE
 
 wxTextInputStream& wxTextInputStream::operator>>(wchar_t& wc)
 {
@@ -386,7 +358,7 @@ wxTextInputStream& wxTextInputStream::operator>>(wchar_t& wc)
     return *this;
 }
 
-#endif // wxUSE_UNICODE
+#endif // wxWCHAR_T_IS_REAL_TYPE
 
 wxTextInputStream& wxTextInputStream::operator>>(wxInt16& i)
 {
@@ -438,15 +410,10 @@ wxTextInputStream& wxTextInputStream::operator>>(float& f)
 
 
 
-#if wxUSE_UNICODE
 wxTextOutputStream::wxTextOutputStream(wxOutputStream& s,
                                        wxEOL mode,
                                        const wxMBConv& conv)
   : m_output(s), m_conv(conv.Clone())
-#else
-wxTextOutputStream::wxTextOutputStream(wxOutputStream& s, wxEOL mode)
-  : m_output(s)
-#endif
 {
     m_mode = mode;
     if (m_mode == wxEOL_NATIVE)
@@ -458,16 +425,14 @@ wxTextOutputStream::wxTextOutputStream(wxOutputStream& s, wxEOL mode)
 #endif
     }
 
-#if wxUSE_UNICODE && SIZEOF_WCHAR_T == 2
+#if SIZEOF_WCHAR_T == 2
     m_lastWChar = 0;
 #endif // SIZEOF_WCHAR_T == 2
 }
 
 wxTextOutputStream::~wxTextOutputStream()
 {
-#if wxUSE_UNICODE
     delete m_conv;
-#endif // wxUSE_UNICODE
 }
 
 void wxTextOutputStream::SetMode(wxEOL mode)
@@ -555,18 +520,13 @@ void wxTextOutputStream::WriteString(const wxString& string)
         out << c;
     }
 
-#if wxUSE_UNICODE
     // FIXME-UTF8: use wxCharBufferWithLength if/when we have it
     wxCharBuffer buffer = m_conv->cWC2MB(out.wc_str(), out.length(), &len);
     m_output.Write(buffer, len);
-#else
-    m_output.Write(out.c_str(), out.length() );
-#endif
 }
 
 wxTextOutputStream& wxTextOutputStream::PutChar(wxChar c)
 {
-#if wxUSE_UNICODE
 #if SIZEOF_WCHAR_T == 2
     wxCharBuffer buffer;
     size_t len;
@@ -627,15 +587,11 @@ wxTextOutputStream& wxTextOutputStream::PutChar(wxChar c)
 #else // SIZEOF_WCHAR_T == 4
     WriteString( wxString(&c, *m_conv, 1) );
 #endif // SIZEOF_WCHAR_T == 2 or 4
-#else
-    WriteString( wxString(&c, wxConvLocal, 1) );
-#endif
     return *this;
 }
 
 void wxTextOutputStream::Flush()
 {
-#if wxUSE_UNICODE
     const size_t len = m_conv->FromWChar(nullptr, 0, L"", 1);
     if ( len > m_conv->GetMBNulLen() )
     {
@@ -643,7 +599,6 @@ void wxTextOutputStream::Flush()
         m_conv->FromWChar(buf.data(), len, L"", 1);
         m_output.Write(buf, len - m_conv->GetMBNulLen());
     }
-#endif // wxUSE_UNICODE
 }
 
 wxTextOutputStream& wxTextOutputStream::operator<<(const wxString& string)
@@ -659,7 +614,7 @@ wxTextOutputStream& wxTextOutputStream::operator<<(char c)
     return *this;
 }
 
-#if wxUSE_UNICODE && wxWCHAR_T_IS_REAL_TYPE
+#if wxWCHAR_T_IS_REAL_TYPE
 
 wxTextOutputStream& wxTextOutputStream::operator<<(wchar_t wc)
 {
@@ -668,7 +623,7 @@ wxTextOutputStream& wxTextOutputStream::operator<<(wchar_t wc)
     return *this;
 }
 
-#endif // wxUSE_UNICODE
+#endif // wxWCHAR_T_IS_REAL_TYPE
 
 wxTextOutputStream& wxTextOutputStream::operator<<(wxInt16 c)
 {

src/common/utilscmn.cpp

@@ -1391,10 +1391,8 @@ wxVersionInfo wxGetLibraryVersionInfo()
                wxRELEASE_NUMBER,
 #if wxUSE_UNICODE_UTF8
                "UTF-8",
-#elif wxUSE_UNICODE
-               "wchar_t",
 #else
-               "none",
+               "wchar_t",
 #endif
                wxDEBUG_LEVEL,
 #if !wxUSE_REPRODUCIBLE_BUILD

src/common/valnum.cpp

@@ -150,7 +150,6 @@ void wxNumValidatorBase::OnChar(wxKeyEvent& event)
     if ( !m_validatorWindow )
         return;
 
-#if wxUSE_UNICODE
     const int ch = event.GetUnicodeKey();
     if ( ch == WXK_NONE )
     {
@@ -158,14 +157,6 @@ void wxNumValidatorBase::OnChar(wxKeyEvent& event)
         // arrow or function key, we never filter those.
         return;
     }
-#else // !wxUSE_UNICODE
-    const int ch = event.GetKeyCode();
-    if ( ch > WXK_DELETE )
-    {
-        // Not a character either.
-        return;
-    }
-#endif // wxUSE_UNICODE/!wxUSE_UNICODE
 
     if ( ch < WXK_SPACE || ch == WXK_DELETE )
     {

src/common/valtext.cpp

@@ -280,14 +280,8 @@ void wxTextValidator::OnChar(wxKeyEvent& event)
     if (!m_validatorWindow)
         return;
 
-#if wxUSE_UNICODE
     // We only filter normal, printable characters.
     int keyCode = event.GetUnicodeKey();
-#else // !wxUSE_UNICODE
-    int keyCode = event.GetKeyCode();
-    if ( keyCode > WXK_START )
-        return;
-#endif // wxUSE_UNICODE/!wxUSE_UNICODE
 
     // we don't filter special keys and delete
     if (keyCode < WXK_SPACE || keyCode == WXK_DELETE)

src/common/wxcrt.cpp

@@ -448,8 +448,6 @@ int wxDoSprintfUtf8(char *str, const char *format, ...)
 }
 #endif // wxUSE_UNICODE_UTF8
 
-#if wxUSE_UNICODE
-
 #if !wxUSE_UTF8_LOCALE_ONLY
 int wxDoSprintfWchar(wchar_t *str, const wxChar *format, ...)
 {
@@ -476,8 +474,6 @@ int wxDoSprintfUtf8(wchar_t *str, const char *format, ...)
 }
 #endif // wxUSE_UNICODE_UTF8
 
-#endif // wxUSE_UNICODE
-
 #if !wxUSE_UTF8_LOCALE_ONLY
 int wxDoSnprintfWchar(char *str, size_t size, const wxChar *format, ...)
 {
@@ -504,8 +500,6 @@ int wxDoSnprintfUtf8(char *str, size_t size, const char *format, ...)
 }
 #endif // wxUSE_UNICODE_UTF8
 
-#if wxUSE_UNICODE
-
 #if !wxUSE_UTF8_LOCALE_ONLY
 int wxDoSnprintfWchar(wchar_t *str, size_t size, const wxChar *format, ...)
 {
@@ -532,15 +526,11 @@ int wxDoSnprintfUtf8(wchar_t *str, size_t size, const char *format, ...)
 }
 #endif // wxUSE_UNICODE_UTF8
 
-#endif // wxUSE_UNICODE
-
 
 #ifdef HAVE_BROKEN_VSNPRINTF_DECL
     #define vsnprintf wx_fixed_vsnprintf
 #endif
 
-#if wxUSE_UNICODE
-
 namespace
 {
 
@@ -593,7 +583,6 @@ static size_t PrintfViaString(T *out, size_t outsize,
 
     return ConvertStringToBuf(s, out, outsize);
 }
-#endif // wxUSE_UNICODE
 
 int wxVsprintf(char *str, const wxString& format, va_list argptr)
 {
@@ -605,15 +594,10 @@ int wxVsprintf(char *str, const wxString& format, va_list argptr)
         return wxCRT_VsprintfA(str, format.wx_str(), argptr);
     else
     #endif
-    #if wxUSE_UNICODE
     return PrintfViaString(str, wxNO_LEN, format, argptr);
-    #else
-    return wxCRT_VsprintfA(str, format.mb_str(), argptr);
-    #endif
 #endif
 }
 
-#if wxUSE_UNICODE
 int wxVsprintf(wchar_t *str, const wxString& format, va_list argptr)
 {
 #if wxUSE_UNICODE_WCHAR
@@ -627,7 +611,6 @@ int wxVsprintf(wchar_t *str, const wxString& format, va_list argptr)
         return PrintfViaString(str, wxNO_LEN, format, argptr);
 #endif // wxUSE_UNICODE_UTF8
 }
-#endif // wxUSE_UNICODE
 
 int wxVsnprintf(char *str, size_t size, const wxString& format, va_list argptr)
 {
@@ -640,16 +623,12 @@ int wxVsnprintf(char *str, size_t size, const wxString& format, va_list argptr)
         rv = wxCRT_VsnprintfA(str, size, format.wx_str(), argptr);
     else
     #endif
-    #if wxUSE_UNICODE
     {
         // NB: if this code is called, then wxString::PrintV() would use the
         //     wchar_t* version of wxVsnprintf(), so it's safe to use PrintV()
         //     from here
         rv = PrintfViaString(str, size, format, argptr);
     }
-    #else
-    rv = wxCRT_VsnprintfA(str, size, format.mb_str(), argptr);
-    #endif
 #endif
 
     // VsnprintfTestCase reveals that glibc's implementation of vswprintf
@@ -659,7 +638,6 @@ int wxVsnprintf(char *str, size_t size, const wxString& format, va_list argptr)
     return rv;
 }
 
-#if wxUSE_UNICODE
 int wxVsnprintf(wchar_t *str, size_t size, const wxString& format, va_list argptr)
 {
     int rv;
@@ -687,8 +665,6 @@ int wxVsnprintf(wchar_t *str, size_t size, const wxString& format, va_list argpt
 
     return rv;
 }
-#endif // wxUSE_UNICODE
-
 
 // ----------------------------------------------------------------------------
 // ctype.h stuff (currently unused)
@@ -1173,13 +1149,9 @@ int wxFputs(const wxString& s, FILE *stream)
 
 int wxFputc(const wxUniChar& c, FILE *stream)
 {
-#if !wxUSE_UNICODE // FIXME-UTF8: temporary, remove this with ANSI build
-    return wxCRT_FputcA((char)c, stream);
-#else
     CALL_ANSI_OR_UNICODE(return,
                          wxCRT_FputsA(c.AsUTF8(), stream),
                          wxCRT_FputcW((wchar_t)c, stream));
-#endif
 }
 
 #ifdef wxCRT_PerrorA

src/common/xtixml.cpp

@@ -294,13 +294,8 @@ int wxObjectXmlReader::ReadComponent(wxXmlNode *node, wxObjectReaderCallback *ca
     createParamOids = new int[classInfo->GetCreateParamCount() ];
     createClassInfos = new const wxClassInfo*[classInfo->GetCreateParamCount() ];
 
-#if wxUSE_UNICODE
     typedef map<wstring, wxXmlNode *> PropertyNodes;
     typedef vector<wstring> PropertyNames;
-#else
-    typedef map<string, wxXmlNode *> PropertyNodes;
-    typedef vector<string> PropertyNames;
-#endif
     PropertyNodes propertyNodes;
     PropertyNames propertyNames;
 

src/common/zipstrm.cpp

@@ -89,18 +89,9 @@ static wxString ReadString(wxInputStream& stream, wxUint16 len, wxMBConv& conv)
     if (len == 0)
         return wxEmptyString;
 
-#if wxUSE_UNICODE
     wxCharBuffer buf(len);
     stream.Read(buf.data(), len);
     wxString str(buf, conv);
-#else
-    wxString str;
-    (void)conv;
-    {
-        wxStringBuffer buf(str, len);
-        stream.Read(buf, len);
-    }
-#endif
 
     return str;
 }

src/dfb/app.cpp

@@ -41,7 +41,6 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
     //             is just a temporary fix to make wxDFB compile in Unicode
     //             build, the real fix is to change Initialize()'s signature
     //             to use char* on Unix.
-#if wxUSE_UNICODE
     // DirectFBInit() wants UTF-8, not wchar_t, so convert
     int i;
     char **argvDFB = new char *[argc + 1];
@@ -80,20 +79,9 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
 
     delete [] argvDFB;
 
-#else // ANSI
-
-    if ( !wxDfbCheckReturn(DirectFBInit(&argc, &argv)) )
-        return false;
-
-#endif // Unicode/ANSI
-
     // update internal arg[cv] as DFB may have removed processed options:
     this->argc = argc;
-#if wxUSE_UNICODE
     this->argv.Init(argc, argv);
-#else
-    this->argv = argv;
-#endif
 
     if ( !wxIDirectFB::Get() )
         return false;

src/dfb/window.cpp

@@ -961,21 +961,7 @@ static long GetUntraslatedKeyCode(DFBInputDeviceKeyIdentifier key_id,
     switch ( DFB_KEY_TYPE(key_symbol) )
     {
         case DIKT_UNICODE:
-#if wxUSE_UNICODE
             return key_symbol;
-#else
-            if ( key_symbol < 128 )
-                return key_symbol;
-            else
-            {
-                wchar_t chr = key_symbol;
-                wxCharBuffer buf(wxConvUI->cWC2MB(&chr, 1, nullptr));
-                if ( buf )
-                    return *buf; // may be 0 if failed
-                else
-                    return 0;
-            }
-#endif
 
         default:
             return GetTranslatedKeyCode(key_id);
@@ -1002,9 +988,7 @@ void wxWindowDFB::HandleKeyEvent(const wxDFBWindowEvent& event_)
     event.SetTimestamp(wxDFB_EVENT_TIMESTAMP(e));
     event.m_rawCode = e.key_code;
     event.m_keyCode = GetTranslatedKeyCode(e.key_id);
-#if wxUSE_UNICODE
     event.m_uniChar = e.key_symbol;
-#endif
     event.m_shiftDown = ( e.modifiers & DIMM_SHIFT ) != 0;
     event.m_controlDown = ( e.modifiers & DIMM_CONTROL ) != 0;
     event.m_altDown = ( e.modifiers & DIMM_ALT ) != 0;

src/generic/aboutdlgg.cpp

@@ -96,11 +96,9 @@ wxString wxAboutDialogInfo::GetCopyrightToDisplay() const
 {
     wxString ret = m_copyright;
 
-#if wxUSE_UNICODE
     const wxString copyrightSign = wxString::FromUTF8("\xc2\xa9");
     ret.Replace("(c)", copyrightSign);
     ret.Replace("(C)", copyrightSign);
-#endif // wxUSE_UNICODE
 
     return ret;
 }

src/generic/grideditors.cpp

@@ -400,13 +400,8 @@ bool wxGridCellEditor::IsAcceptedKey(wxKeyEvent& event)
     if ((ctrl || alt) && !(ctrl && alt))
         return false;
 
-#if wxUSE_UNICODE
     if ( static_cast<int>(event.GetUnicodeKey()) == WXK_NONE )
         return false;
-#else
-    if ( event.GetKeyCode() > WXK_START )
-        return false;
-#endif
 
     return true;
 }
@@ -584,12 +579,10 @@ void wxGridCellTextEditor::StartingKey(wxKeyEvent& event)
 
     bool isPrintable;
 
-#if wxUSE_UNICODE
     ch = event.GetUnicodeKey();
     if ( ch != WXK_NONE )
         isPrintable = true;
     else
-#endif // wxUSE_UNICODE
     {
         ch = event.GetKeyCode();
         isPrintable = ch >= WXK_SPACE && ch < WXK_START;

src/generic/htmllbox.cpp

@@ -303,10 +303,6 @@ wxHtmlCell* wxHtmlListBox::CreateCellForItem(size_t n) const
         self->m_htmlParser = new wxHtmlWinParser(self);
         m_htmlParser->SetDC(new wxClientDC(self));
         m_htmlParser->SetFS(&self->m_filesystem);
-#if !wxUSE_UNICODE
-        if (GetFont().IsOk())
-            m_htmlParser->SetInputEncoding(GetFont().GetEncoding());
-#endif
         // use system's default GUI font by default:
         m_htmlParser->SetStandardFonts();
     }

src/generic/logg.cpp

@@ -497,11 +497,8 @@ wxLogFrame::wxLogFrame(wxWindow *pParent, wxLogWindow *log, const wxString& szTi
             wxDefaultSize,
             wxTE_MULTILINE  |
             wxHSCROLL       |
-            // needed for Win32 to avoid 65Kb limit but it doesn't work well
+            // needed for Win32 to avoid 65Kb limit
-            // when using RichEdit 2.0 which we always do in the Unicode build
-#if !wxUSE_UNICODE
             wxTE_RICH       |
-#endif // !wxUSE_UNICODE
             wxTE_READONLY);
 
 #if wxUSE_MENUS

src/generic/odcombo.cpp

@@ -426,11 +426,7 @@ void wxVListBoxComboPopup::OnComboCharEvent( wxKeyEvent& event )
 {
     // unlike in OnComboKeyEvent, wxEVT_CHAR contains meaningful
     // printable character information, so pass it
-#if wxUSE_UNICODE
     const wxChar charcode = event.GetUnicodeKey();
-#else
-    const wxChar charcode = (wxChar)event.GetKeyCode();
-#endif
 
     if ( !HandleKey(event.GetKeyCode(), true, charcode) )
         event.Skip();
@@ -508,11 +504,7 @@ void wxVListBoxComboPopup::OnChar(wxKeyEvent& event)
     {
         // Process partial completion key codes here, but not the arrow keys as
         // the base class will do that for us
-#if wxUSE_UNICODE
         const wxChar charcode = event.GetUnicodeKey();
-#else
-        const wxChar charcode = (wxChar)event.GetKeyCode();
-#endif
         if ( wxIsprint(charcode) )
         {
             OnComboCharEvent(event);

src/gtk/aboutdlg.cpp

@@ -52,19 +52,12 @@ public:
 
         for ( size_t n = 0; n < m_count; n++ )
         {
-#if wxUSE_UNICODE
             // notice that there is no need to copy the string pointer here
             // because this class is used only as a temporary and during its
             // existence the pointer persists in wxString which uses it either
             // for internal representation (in wxUSE_UNICODE_UTF8 case) or as
             // cached m_convertedToChar (in wxUSE_UNICODE_WCHAR case)
             m_strings[n] = wxGTK_CONV_SYS(a[n]);
-#else // !wxUSE_UNICODE
-            // and in ANSI build we can simply borrow the pointer from
-            // wxCharBuffer (which owns it in this case) instead of copying it
-            // but we then become responsible for freeing it
-            m_strings[n] = wxGTK_CONV_SYS(a[n]).release();
-#endif // wxUSE_UNICODE/!wxUSE_UNICODE
         }
 
         // array must be null-terminated
@@ -75,11 +68,6 @@ public:
 
     ~GtkArray()
     {
-#if !wxUSE_UNICODE
-        for ( size_t n = 0; n < m_count; n++ )
-            free(const_cast<gchar *>(m_strings[n]));
-#endif
-
         delete [] m_strings;
     }
 

src/gtk/app.cpp

@@ -474,7 +474,6 @@ bool wxApp::Initialize(int& argc_, wxChar **argv_)
 
     bool init_result;
 
-#if wxUSE_UNICODE
     int i;
 
     // gtk_init() wants UTF-8, not wchar_t, so convert
@@ -530,19 +529,10 @@ bool wxApp::Initialize(int& argc_, wxChar **argv_)
     }
 
     delete [] argvGTK;
-#else // !wxUSE_UNICODE
-    // gtk_init() shouldn't actually change argv_ itself (just its contents) so
-    // it's ok to pass pointer to it
-    init_result = gtk_init_check( &argc_, &argv_ );
-#endif // wxUSE_UNICODE/!wxUSE_UNICODE
 
     // update internal arg[cv] as GTK+ may have removed processed options:
     this->argc = argc_;
-#if wxUSE_UNICODE
     this->argv.Init(argc_, argv_);
-#else
-    this->argv = argv_;
-#endif
 
     if ( !init_result )
     {