Fix wrong tab order in wxAuiNotebook after dragging.

[wxWidgets.git] / include / wx / font.h

diff --git a/include/wx/font.h b/include/wx/font.h
index 73bcbbafb69b3e2b086ce9f29b48640d3bdf2744..b14281221e0ffcb638a3a0dddb658715a3bde063 100644 (file)
--- a/include/wx/font.h
+++ b/include/wx/font.h
@@ -5,8 +5,8 @@
 // Modified by:
 // Created:     20.09.99
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     20.09.99
 // RCS-ID:      $Id$

-// Copyright:   (c) wxWindows team
-// Licence:     wxWindows license
+// Copyright:   (c) wxWidgets team
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_FONT_H_BASE_
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_FONT_H_BASE_


@@ -17,20 +17,24 @@
 // ----------------------------------------------------------------------------
 
 #include "wx/defs.h"        // for wxDEFAULT &c
 // ----------------------------------------------------------------------------
 
 #include "wx/defs.h"        // for wxDEFAULT &c

+#include "wx/fontenc.h"     // the font encoding constants

 #include "wx/gdiobj.h"      // the base class
 #include "wx/gdiobj.h"      // the base class

+#include "wx/gdicmn.h"      // for wxGDIObjListBase

 
 // ----------------------------------------------------------------------------
 // forward declarations
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // forward declarations
 // ----------------------------------------------------------------------------
 

-class WXDLLEXPORT wxFontBase;
-class WXDLLEXPORT wxFont;
+class WXDLLIMPEXP_FWD_CORE wxFont;

 
 // ----------------------------------------------------------------------------
 // font constants
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // font constants
 // ----------------------------------------------------------------------------
 

-// standard font families
+// standard font families: these may be used only for the font creation, it
+// doesn't make sense to query an existing font for its font family as,
+// especially if the font had been created from a native font description, it
+// may be unknown

 enum wxFontFamily
 {
     wxFONTFAMILY_DEFAULT = wxDEFAULT,
 enum wxFontFamily
 {
     wxFONTFAMILY_DEFAULT = wxDEFAULT,


@@ -40,7 +44,8 @@ enum wxFontFamily
     wxFONTFAMILY_SWISS = wxSWISS,
     wxFONTFAMILY_MODERN = wxMODERN,
     wxFONTFAMILY_TELETYPE = wxTELETYPE,
     wxFONTFAMILY_SWISS = wxSWISS,
     wxFONTFAMILY_MODERN = wxMODERN,
     wxFONTFAMILY_TELETYPE = wxTELETYPE,

-    wxFONTFAMILY_MAX
+    wxFONTFAMILY_MAX,
+    wxFONTFAMILY_UNKNOWN = wxFONTFAMILY_MAX

 };
 
 // font styles
 };
 
 // font styles


@@ -61,92 +66,206 @@ enum wxFontWeight
     wxFONTWEIGHT_MAX
 };
 
     wxFONTWEIGHT_MAX
 };
 

-// font encodings
-enum wxFontEncoding
+// Symbolic font sizes as defined in CSS specification.
+enum wxFontSymbolicSize

 {
 {

-    wxFONTENCODING_SYSTEM = -1,     // system default
-    wxFONTENCODING_DEFAULT,         // current default encoding
-
-    // ISO8859 standard defines a number of single-byte charsets
-    wxFONTENCODING_ISO8859_1,       // West European (Latin1)
-    wxFONTENCODING_ISO8859_2,       // Central and East European (Latin2)
-    wxFONTENCODING_ISO8859_3,       // Esperanto (Latin3)
-    wxFONTENCODING_ISO8859_4,       // Baltic languages (Estonian) (Latin4)
-    wxFONTENCODING_ISO8859_5,       // Cyrillic
-    wxFONTENCODING_ISO8859_6,       // Arabic
-    wxFONTENCODING_ISO8859_7,       // Greek
-    wxFONTENCODING_ISO8859_8,       // Hebrew
-    wxFONTENCODING_ISO8859_9,       // Turkish (Latin5)
-    wxFONTENCODING_ISO8859_10,      // Variation of Latin4 (Latin6)
-    wxFONTENCODING_ISO8859_11,      // Thai
-    wxFONTENCODING_ISO8859_12,      // doesn't exist currently, but put it
-                                    // here anyhow to make all ISO8859
-                                    // consecutive numbers
-    wxFONTENCODING_ISO8859_13,      // Latin7
-    wxFONTENCODING_ISO8859_14,      // Latin8
-    wxFONTENCODING_ISO8859_15,      // Latin9 (a.k.a. Latin0, includes euro)
-
-    // Cyrillic charset soup (see http://czyborra.com/charsets/cyrillic.html)
-    wxFONTENCODING_KOI8,            // we don't support any of KOI8 variants
-    wxFONTENCODING_ALTERNATIVE,     // same as MS-DOS CP866
-    wxFONTENCODING_BULGARIAN,       // used under Linux in Bulgaria
-
-    // what would we do without Microsoft? They have their own encodings
-        // for DOS
-    wxFONTENCODING_CP437,           // original MS-DOS codepage
-    wxFONTENCODING_CP850,           // CP437 merged with Latin1
-    wxFONTENCODING_CP852,           // CP437 merged with Latin2
-    wxFONTENCODING_CP855,           // another cyrillic encoding
-    wxFONTENCODING_CP866,           // and another one
-        // and for Windows
-    wxFONTENCODING_CP1250,          // WinLatin2
-    wxFONTENCODING_CP1251,          // WinCyrillic
-    wxFONTENCODING_CP1252,          // WinLatin1
-
-    wxFONTENCODING_MAX
+    wxFONTSIZE_XX_SMALL = -3,
+    wxFONTSIZE_X_SMALL,
+    wxFONTSIZE_SMALL,
+    wxFONTSIZE_MEDIUM,
+    wxFONTSIZE_LARGE,
+    wxFONTSIZE_X_LARGE,
+    wxFONTSIZE_XX_LARGE
+};
+
+// the font flag bits for the new font ctor accepting one combined flags word
+enum wxFontFlag
+{
+    // no special flags: font with default weight/slant/anti-aliasing
+    wxFONTFLAG_DEFAULT          = 0,
+
+    // slant flags (default: no slant)
+    wxFONTFLAG_ITALIC           = 1 << 0,
+    wxFONTFLAG_SLANT            = 1 << 1,
+
+    // weight flags (default: medium)
+    wxFONTFLAG_LIGHT            = 1 << 2,
+    wxFONTFLAG_BOLD             = 1 << 3,
+
+    // anti-aliasing flag: force on or off (default: the current system default)
+    wxFONTFLAG_ANTIALIASED      = 1 << 4,
+    wxFONTFLAG_NOT_ANTIALIASED  = 1 << 5,
+
+    // underlined/strikethrough flags (default: no lines)
+    wxFONTFLAG_UNDERLINED       = 1 << 6,
+    wxFONTFLAG_STRIKETHROUGH    = 1 << 7,
+
+    // the mask of all currently used flags
+    wxFONTFLAG_MASK = wxFONTFLAG_ITALIC             |
+                      wxFONTFLAG_SLANT              |
+                      wxFONTFLAG_LIGHT              |
+                      wxFONTFLAG_BOLD               |
+                      wxFONTFLAG_ANTIALIASED        |
+                      wxFONTFLAG_NOT_ANTIALIASED    |
+                      wxFONTFLAG_UNDERLINED         |
+                      wxFONTFLAG_STRIKETHROUGH

 };
 
 // ----------------------------------------------------------------------------
 // wxFontBase represents a font object
 // ----------------------------------------------------------------------------
 
 };
 
 // ----------------------------------------------------------------------------
 // wxFontBase represents a font object
 // ----------------------------------------------------------------------------
 

-class wxFontBase : public wxGDIObject
+class WXDLLIMPEXP_FWD_CORE wxNativeFontInfo;
+
+class WXDLLIMPEXP_CORE wxFontBase : public wxGDIObject

 {
 public:
 {
 public:

+    /*
+        derived classes should provide the following ctors:
+
+    wxFont();
+    wxFont(const wxString& nativeFontInfoString);
+    wxFont(const wxNativeFontInfo& info);
+    wxFont(int size,
+           wxFontFamily family,
+           wxFontStyle style,
+           wxFontWeight weight,
+           bool underlined = false,
+           const wxString& face = wxEmptyString,
+           wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
+    wxFont(const wxSize& pixelSize,
+           wxFontFamily family,
+           wxFontStyle style,
+           wxFontWeight weight,
+           bool underlined = false,
+           const wxString& face = wxEmptyString,
+           wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
+    */
+

     // creator function
     // creator function

+    virtual ~wxFontBase();
+
+
+#if FUTURE_WXWIN_COMPATIBILITY_3_0
+    // from the font components

     static wxFont *New(
         int pointSize,              // size of the font in points
         int family,                 // see wxFontFamily enum
         int style,                  // see wxFontStyle enum
         int weight,                 // see wxFontWeight enum
     static wxFont *New(
         int pointSize,              // size of the font in points
         int family,                 // see wxFontFamily enum
         int style,                  // see wxFontStyle enum
         int weight,                 // see wxFontWeight enum

-        bool underlined = FALSE,    // not underlined by default
+        bool underlined = false,    // not underlined by default
+        const wxString& face = wxEmptyString,              // facename
+        wxFontEncoding encoding = wxFONTENCODING_DEFAULT)  // ISO8859-X, ...
+        { return New(pointSize, (wxFontFamily)family, (wxFontStyle)style,
+                     (wxFontWeight)weight, underlined, face, encoding); }
+
+    // from the font components
+    static wxFont *New(
+        const wxSize& pixelSize,    // size of the font in pixels
+        int family,                 // see wxFontFamily enum
+        int style,                  // see wxFontStyle enum
+        int weight,                 // see wxFontWeight enum
+        bool underlined = false,    // not underlined by default
+        const wxString& face = wxEmptyString,              // facename
+        wxFontEncoding encoding = wxFONTENCODING_DEFAULT)  // ISO8859-X, ...
+        { return New(pixelSize, (wxFontFamily)family, (wxFontStyle)style,
+                     (wxFontWeight)weight, underlined, face, encoding); }
+#endif
+
+    // from the font components
+    static wxFont *New(
+        int pointSize,              // size of the font in points
+        wxFontFamily family,        // see wxFontFamily enum
+        wxFontStyle style,          // see wxFontStyle enum
+        wxFontWeight weight,        // see wxFontWeight enum
+        bool underlined = false,    // not underlined by default

         const wxString& face = wxEmptyString,              // facename
         wxFontEncoding encoding = wxFONTENCODING_DEFAULT); // ISO8859-X, ...
 
         const wxString& face = wxEmptyString,              // facename
         wxFontEncoding encoding = wxFONTENCODING_DEFAULT); // ISO8859-X, ...
 

-    // was the font successfully created?
-    bool Ok() const { return m_refData != NULL; }
+    // from the font components
+    static wxFont *New(
+        const wxSize& pixelSize,    // size of the font in pixels
+        wxFontFamily family,        // see wxFontFamily enum
+        wxFontStyle style,          // see wxFontStyle enum
+        wxFontWeight weight,        // see wxFontWeight enum
+        bool underlined = false,    // not underlined by default
+        const wxString& face = wxEmptyString,              // facename
+        wxFontEncoding encoding = wxFONTENCODING_DEFAULT); // ISO8859-X, ...
+
+    // from the font components but using the font flags instead of separate
+    // parameters for each flag
+    static wxFont *New(int pointSize,
+                       wxFontFamily family,
+                       int flags = wxFONTFLAG_DEFAULT,
+                       const wxString& face = wxEmptyString,
+                       wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
+
+
+    // from the font components but using the font flags instead of separate
+    // parameters for each flag
+    static wxFont *New(const wxSize& pixelSize,
+                       wxFontFamily family,
+                       int flags = wxFONTFLAG_DEFAULT,
+                       const wxString& face = wxEmptyString,
+                       wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
+
+    // from the (opaque) native font description object
+    static wxFont *New(const wxNativeFontInfo& nativeFontDesc);
+
+    // from the string representation of wxNativeFontInfo
+    static wxFont *New(const wxString& strNativeFontDesc);

 
     // comparison
 
     // comparison

-    bool operator == (const wxFont& font) const;
-    bool operator != (const wxFont& font) const;
+    bool operator==(const wxFont& font) const;
+    bool operator!=(const wxFont& font) const { return !(*this == font); }

 
     // accessors: get the font characteristics
     virtual int GetPointSize() const = 0;
 
     // accessors: get the font characteristics
     virtual int GetPointSize() const = 0;

-    virtual int GetFamily() const = 0;
-    virtual int GetStyle() const = 0;
-    virtual int GetWeight() const = 0;
+    virtual wxSize GetPixelSize() const;
+    virtual bool IsUsingSizeInPixels() const;
+    wxFontFamily GetFamily() const;
+    virtual wxFontStyle GetStyle() const = 0;
+    virtual wxFontWeight GetWeight() const = 0;

     virtual bool GetUnderlined() const = 0;
     virtual bool GetUnderlined() const = 0;

+    virtual bool GetStrikethrough() const { return false; }

     virtual wxString GetFaceName() const = 0;
     virtual wxFontEncoding GetEncoding() const = 0;
     virtual wxString GetFaceName() const = 0;
     virtual wxFontEncoding GetEncoding() const = 0;

+    virtual const wxNativeFontInfo *GetNativeFontInfo() const = 0;
+
+    virtual bool IsFixedWidth() const;
+
+    wxString GetNativeFontInfoDesc() const;
+    wxString GetNativeFontInfoUserDesc() const;

 
     // change the font characteristics
     virtual void SetPointSize( int pointSize ) = 0;
 
     // change the font characteristics
     virtual void SetPointSize( int pointSize ) = 0;

-    virtual void SetFamily( int family ) = 0;
-    virtual void SetStyle( int style ) = 0;
-    virtual void SetWeight( int weight ) = 0;
-    virtual void SetFaceName( const wxString& faceName ) = 0;
+    virtual void SetPixelSize( const wxSize& pixelSize );
+    virtual void SetFamily( wxFontFamily family ) = 0;
+    virtual void SetStyle( wxFontStyle style ) = 0;
+    virtual void SetWeight( wxFontWeight weight ) = 0;
+

     virtual void SetUnderlined( bool underlined ) = 0;
     virtual void SetUnderlined( bool underlined ) = 0;

+    virtual void SetStrikethrough( bool WXUNUSED(strikethrough) ) {}

     virtual void SetEncoding(wxFontEncoding encoding) = 0;
     virtual void SetEncoding(wxFontEncoding encoding) = 0;

+    virtual bool SetFaceName( const wxString& faceName );
+    void SetNativeFontInfo(const wxNativeFontInfo& info)
+        { DoSetNativeFontInfo(info); }
+
+    bool SetNativeFontInfo(const wxString& info);
+    bool SetNativeFontInfoUserDesc(const wxString& info);
+
+    // Symbolic font sizes support: set the font size to "large" or "very
+    // small" either absolutely (i.e. compared to the default font size) or
+    // relatively to the given font size.
+    void SetSymbolicSize(wxFontSymbolicSize size);
+    void SetSymbolicSizeRelativeTo(wxFontSymbolicSize size, int base)
+    {
+        SetPointSize(AdjustToSymbolicSize(size, base));
+    }
+
+    // Adjust the base size in points according to symbolic size.
+    static int AdjustToSymbolicSize(wxFontSymbolicSize size, int base);
+

 
     // translate the fonts into human-readable string (i.e. GetStyleString()
     // will return "wxITALIC" for an italic font, ...)
 
     // translate the fonts into human-readable string (i.e. GetStyleString()
     // will return "wxITALIC" for an italic font, ...)


@@ -156,49 +275,185 @@ public:
 
     // the default encoding is used for creating all fonts with default
     // encoding parameter
 
     // the default encoding is used for creating all fonts with default
     // encoding parameter

-    static wxFontEncoding GetDefaultEncoding()
-        { return ms_encodingDefault; }
-    static void SetDefaultEncoding(wxFontEncoding encoding)
-        { ms_encodingDefault = encoding; }
+    static wxFontEncoding GetDefaultEncoding() { return ms_encodingDefault; }
+    static void SetDefaultEncoding(wxFontEncoding encoding);
+
+    // this doesn't do anything and is kept for compatibility only
+#if WXWIN_COMPATIBILITY_2_8
+    wxDEPRECATED_INLINE(void SetNoAntiAliasing(bool no = true), wxUnusedVar(no););
+    wxDEPRECATED_INLINE(bool GetNoAntiAliasing() const, return false;)
+#endif // WXWIN_COMPATIBILITY_2_8

 
 protected:
 
 protected:

-    // get the internal data
-    class WXDLLEXPORT wxFontRefData *GetFontData() const
-        { return (wxFontRefData *)m_refData; }
+    // the function called by both overloads of SetNativeFontInfo()
+    virtual void DoSetNativeFontInfo(const wxNativeFontInfo& info);
+
+    // The function called by public GetFamily(): it can return
+    // wxFONTFAMILY_UNKNOWN unlike the public method (see comment there).
+    virtual wxFontFamily DoGetFamily() const = 0;
+
+
+    // Helper functions to recover wxFONTSTYLE/wxFONTWEIGHT and underlined flg
+    // values from flags containing a combination of wxFONTFLAG_XXX.
+    static wxFontStyle GetStyleFromFlags(int flags)
+    {
+        return flags & wxFONTFLAG_ITALIC
+                        ? wxFONTSTYLE_ITALIC
+                        : flags & wxFONTFLAG_SLANT
+                            ? wxFONTSTYLE_SLANT
+                            : wxFONTSTYLE_NORMAL;
+    }
+
+    static wxFontWeight GetWeightFromFlags(int flags)
+    {
+        return flags & wxFONTFLAG_LIGHT
+                        ? wxFONTWEIGHT_LIGHT
+                        : flags & wxFONTFLAG_BOLD
+                            ? wxFONTWEIGHT_BOLD
+                            : wxFONTWEIGHT_NORMAL;
+    }
+
+    static bool GetUnderlinedFromFlags(int flags)
+    {
+        return (flags & wxFONTFLAG_UNDERLINED) != 0;
+    }
+
+    static bool GetStrikethroughFromFlags(int flags)
+    {
+        return (flags & wxFONTFLAG_STRIKETHROUGH) != 0;
+    }

 
 private:
     // the currently default encoding: by default, it's the default system
     // encoding, but may be changed by the application using
     // SetDefaultEncoding() to make all subsequent fonts created without
 
 private:
     // the currently default encoding: by default, it's the default system
     // encoding, but may be changed by the application using
     // SetDefaultEncoding() to make all subsequent fonts created without

-    // specifing encoding parameter using this encoding
+    // specifying encoding parameter using this encoding

     static wxFontEncoding ms_encodingDefault;
 };
 
     static wxFontEncoding ms_encodingDefault;
 };
 

+// wxFontBase <-> wxString utilities, used by wxConfig
+WXDLLIMPEXP_CORE wxString wxToString(const wxFontBase& font);
+WXDLLIMPEXP_CORE bool wxFromString(const wxString& str, wxFontBase* font);
+
+
+#if FUTURE_WXWIN_COMPATIBILITY_3_0
+#define wxDECLARE_FONT_COMPAT_SETTER   \
+    wxDEPRECATED_FUTURE( void SetFamily(int family) ) \
+        { SetFamily((wxFontFamily)family); } \
+    wxDEPRECATED_FUTURE( void SetStyle(int style) ) \
+        { SetStyle((wxFontStyle)style); } \
+    wxDEPRECATED_FUTURE( void SetWeight(int weight) ) \
+        { SetWeight((wxFontWeight)weight); } \
+    wxDEPRECATED_FUTURE( void SetFamily(wxDeprecatedGUIConstants family) ) \
+        { SetFamily((wxFontFamily)family); } \
+    wxDEPRECATED_FUTURE( void SetStyle(wxDeprecatedGUIConstants style) ) \
+        { SetStyle((wxFontStyle)style); } \
+    wxDEPRECATED_FUTURE( void SetWeight(wxDeprecatedGUIConstants weight) ) \
+        { SetWeight((wxFontWeight)weight); }
+#else
+#define wxDECLARE_FONT_COMPAT_SETTER  /*empty*/
+#endif
+
+// this macro must be used in all derived wxFont classes declarations
+#define wxDECLARE_COMMON_FONT_METHODS() \
+    wxDECLARE_FONT_COMPAT_SETTER \
+ \
+    /* functions for modifying font in place */ \
+    wxFont& MakeBold(); \
+    wxFont& MakeItalic(); \
+    wxFont& MakeUnderlined(); \
+    wxFont& MakeStrikethrough(); \
+    wxFont& MakeLarger() { return Scale(1.2f); } \
+    wxFont& MakeSmaller() { return Scale(1/1.2f); } \
+    wxFont& Scale(float x); \
+    /* functions for creating fonts based on this one */ \
+    wxFont Bold() const; \
+    wxFont Italic() const; \
+    wxFont Underlined() const; \
+    wxFont Strikethrough() const; \
+    wxFont Larger() const { return Scaled(1.2f); } \
+    wxFont Smaller() const { return Scaled(1/1.2f); } \
+    wxFont Scaled(float x) const
+

 // include the real class declaration
 #if defined(__WXMSW__)
     #include "wx/msw/font.h"
 #elif defined(__WXMOTIF__)
     #include "wx/motif/font.h"
 // include the real class declaration
 #if defined(__WXMSW__)
     #include "wx/msw/font.h"
 #elif defined(__WXMOTIF__)
     #include "wx/motif/font.h"

-#elif defined(__WXGTK__)
+#elif defined(__WXGTK20__)

     #include "wx/gtk/font.h"
     #include "wx/gtk/font.h"

-#elif defined(__WXQT__)
-    #include "wx/qt/font.h"
+#elif defined(__WXGTK__)
+    #include "wx/gtk1/font.h"
+#elif defined(__WXX11__)
+    #include "wx/x11/font.h"
+#elif defined(__WXDFB__)
+    #include "wx/dfb/font.h"

 #elif defined(__WXMAC__)
 #elif defined(__WXMAC__)

-    #include "wx/mac/font.h"
+    #include "wx/osx/font.h"
+#elif defined(__WXCOCOA__)
+    #include "wx/cocoa/font.h"

 #elif defined(__WXPM__)
     #include "wx/os2/font.h"
 #elif defined(__WXPM__)
     #include "wx/os2/font.h"

-#elif defined(__WXSTUBS__)
-    #include "wx/stubs/font.h"

 #endif
 
 #endif
 

-// ----------------------------------------------------------------------------
-// macros
-// ----------------------------------------------------------------------------
+class WXDLLIMPEXP_CORE wxFontList: public wxGDIObjListBase
+{
+public:
+    wxFont *FindOrCreateFont(int pointSize,
+                             wxFontFamily family,
+                             wxFontStyle style,
+                             wxFontWeight weight,
+                             bool underline = false,
+                             const wxString& face = wxEmptyString,
+                             wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
+
+#if FUTURE_WXWIN_COMPATIBILITY_3_0
+     wxFont *FindOrCreateFont(int pointSize, int family, int style, int weight,
+                              bool underline = false,
+                              const wxString& face = wxEmptyString,
+                              wxFontEncoding encoding = wxFONTENCODING_DEFAULT)
+        { return FindOrCreateFont(pointSize, (wxFontFamily)family, (wxFontStyle)style,
+                                  (wxFontWeight)weight, underline, face, encoding); }
+#endif

 
 

-#if !defined(__VISAGECPP__)
-// VZ: this is ugly (FIXME)
-#define M_FONTDATA GetFontData()
+#if WXWIN_COMPATIBILITY_2_6
+    wxDEPRECATED( void AddFont(wxFont*) );
+    wxDEPRECATED( void RemoveFont(wxFont*) );

 #endif
 #endif

+};
+
+extern WXDLLIMPEXP_DATA_CORE(wxFontList*)    wxTheFontList;
+
+
+// provide comparison operators to allow code such as
+//
+//      if ( font.GetStyle() == wxFONTSTYLE_SLANT )
+//
+// to compile without warnings which it would otherwise provoke from some
+// compilers as it compares elements of different enums
+#if FUTURE_WXWIN_COMPATIBILITY_3_0
+
+// Unfortunately some compilers have ambiguity issues when enum comparisons are
+// overloaded so we have to disable the overloads in this case, see
+// wxCOMPILER_NO_OVERLOAD_ON_ENUM definition in wx/platform.h for more details.
+#ifndef wxCOMPILER_NO_OVERLOAD_ON_ENUM
+
+inline bool operator==(wxFontFamily s, wxDeprecatedGUIConstants t)
+{ return static_cast<int>(s) == static_cast<int>(t); }
+inline bool operator!=(wxFontFamily s, wxDeprecatedGUIConstants t)
+{ return !(s == t); }
+inline bool operator==(wxFontStyle s, wxDeprecatedGUIConstants t)
+{ return static_cast<int>(s) == static_cast<int>(t); }
+inline bool operator!=(wxFontStyle s, wxDeprecatedGUIConstants t)
+{ return !(s == t); }
+inline bool operator==(wxFontWeight s, wxDeprecatedGUIConstants t)
+{ return static_cast<int>(s) == static_cast<int>(t); }
+inline bool operator!=(wxFontWeight s, wxDeprecatedGUIConstants t)
+{ return !(s == t); }
+
+#endif // // wxCOMPILER_NO_OVERLOAD_ON_ENUM
+
+#endif // FUTURE_WXWIN_COMPATIBILITY_3_0

 
 #endif
     // _WX_FONT_H_BASE_
 
 #endif
     // _WX_FONT_H_BASE_