X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ffecfa5aeb540b54914739dbb8603edbbd4c00a0..51623cc53f350935337e57930eaaf1afe9a48c3b:/include/wx/font.h diff --git a/include/wx/font.h b/include/wx/font.h index b8d436bb9c..b14281221e 100644 --- a/include/wx/font.h +++ b/include/wx/font.h @@ -12,10 +12,6 @@ #ifndef _WX_FONT_H_BASE_ #define _WX_FONT_H_BASE_ -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma interface "fontbase.h" -#endif - // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- @@ -23,15 +19,13 @@ #include "wx/defs.h" // for wxDEFAULT &c #include "wx/fontenc.h" // the font encoding constants #include "wx/gdiobj.h" // the base class +#include "wx/gdicmn.h" // for wxGDIObjListBase // ---------------------------------------------------------------------------- // forward declarations // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxFontData; -class WXDLLEXPORT wxFontBase; -class WXDLLEXPORT wxFont; -class WXDLLEXPORT wxSize; +class WXDLLIMPEXP_FWD_CORE wxFont; // ---------------------------------------------------------------------------- // font constants @@ -72,8 +66,20 @@ enum wxFontWeight wxFONTWEIGHT_MAX }; +// Symbolic font sizes as defined in CSS specification. +enum wxFontSymbolicSize +{ + 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 +enum wxFontFlag { // no special flags: font with default weight/slant/anti-aliasing wxFONTFLAG_DEFAULT = 0, @@ -109,15 +115,38 @@ enum // wxFontBase represents a font object // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxFontRefData; -struct WXDLLEXPORT wxNativeFontInfo; +class WXDLLIMPEXP_FWD_CORE wxNativeFontInfo; -class WXDLLEXPORT wxFontBase : public wxGDIObject +class WXDLLIMPEXP_CORE wxFontBase : public wxGDIObject { 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 virtual ~wxFontBase(); + +#if FUTURE_WXWIN_COMPATIBILITY_3_0 // from the font components static wxFont *New( int pointSize, // size of the font in points @@ -126,6 +155,41 @@ public: 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(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, ... + + // 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 @@ -136,15 +200,6 @@ public: const wxString& face = wxEmptyString, wxFontEncoding encoding = wxFONTENCODING_DEFAULT); - // 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, ... // from the font components but using the font flags instead of separate // parameters for each flag @@ -160,21 +215,19 @@ public: // from the string representation of wxNativeFontInfo static wxFont *New(const wxString& strNativeFontDesc); - // was the font successfully created? - bool Ok() const { return m_refData != NULL; } - // 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; virtual wxSize GetPixelSize() const; virtual bool IsUsingSizeInPixels() const; - virtual int GetFamily() const = 0; - virtual int GetStyle() const = 0; - virtual int GetWeight() const = 0; + wxFontFamily GetFamily() const; + virtual wxFontStyle GetStyle() const = 0; + virtual wxFontWeight GetWeight() const = 0; virtual bool GetUnderlined() const = 0; + virtual bool GetStrikethrough() const { return false; } virtual wxString GetFaceName() const = 0; virtual wxFontEncoding GetEncoding() const = 0; virtual const wxNativeFontInfo *GetNativeFontInfo() const = 0; @@ -187,17 +240,32 @@ public: // change the font characteristics virtual void SetPointSize( int pointSize ) = 0; virtual void SetPixelSize( const wxSize& pixelSize ); - 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 SetFamily( wxFontFamily family ) = 0; + virtual void SetStyle( wxFontStyle style ) = 0; + virtual void SetWeight( wxFontWeight weight ) = 0; + virtual void SetUnderlined( bool underlined ) = 0; + virtual void SetStrikethrough( bool WXUNUSED(strikethrough) ) {} virtual void SetEncoding(wxFontEncoding encoding) = 0; + virtual bool SetFaceName( const wxString& faceName ); void SetNativeFontInfo(const wxNativeFontInfo& info) { DoSetNativeFontInfo(info); } - void SetNativeFontInfo(const wxString& info); - void SetNativeFontInfoUserDesc(const wxString& 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, ...) @@ -205,57 +273,187 @@ public: wxString GetStyleString() const; wxString GetWeightString() const; - // Unofficial API, don't use - virtual void SetNoAntiAliasing( bool WXUNUSED(no) = true ) { } - virtual bool GetNoAntiAliasing() const { return false; } - // the default encoding is used for creating all fonts with default // encoding parameter static wxFontEncoding GetDefaultEncoding() { return ms_encodingDefault; } static void SetDefaultEncoding(wxFontEncoding encoding); -protected: - // get the internal data - wxFontRefData *GetFontData() const - { return (wxFontRefData *)m_refData; } + // 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: // 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 - // specifing encoding parameter using this encoding + // specifying encoding parameter using this encoding 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(__PALMOS__) - #include "wx/palmos/font.h" -#elif defined(__WXMSW__) +#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" +#elif defined(__WXGTK__) + #include "wx/gtk1/font.h" #elif defined(__WXX11__) #include "wx/x11/font.h" -#elif defined(__WXMGL__) - #include "wx/mgl/font.h" +#elif defined(__WXDFB__) + #include "wx/dfb/font.h" #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" #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 WXWIN_COMPATIBILITY_2_6 + wxDEPRECATED( void AddFont(wxFont*) ); + wxDEPRECATED( void RemoveFont(wxFont*) ); +#endif +}; -#define M_FONTDATA GetFontData() +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(s) == static_cast(t); } +inline bool operator!=(wxFontFamily s, wxDeprecatedGUIConstants t) +{ return !(s == t); } +inline bool operator==(wxFontStyle s, wxDeprecatedGUIConstants t) +{ return static_cast(s) == static_cast(t); } +inline bool operator!=(wxFontStyle s, wxDeprecatedGUIConstants t) +{ return !(s == t); } +inline bool operator==(wxFontWeight s, wxDeprecatedGUIConstants t) +{ return static_cast(s) == static_cast(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_