X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/53a2db124c633f80bdb16336084262037d879a2c..ab67e8874db324fab5223cc8d5dff8a8de3e2b77:/include/wx/font.h diff --git a/include/wx/font.h b/include/wx/font.h index c97ea06194..b14281221e 100644 --- a/include/wx/font.h +++ b/include/wx/font.h @@ -25,10 +25,7 @@ // forward declarations // ---------------------------------------------------------------------------- -class WXDLLIMPEXP_FWD_CORE wxFontData; -class WXDLLIMPEXP_FWD_CORE wxFontBase; class WXDLLIMPEXP_FWD_CORE wxFont; -class WXDLLIMPEXP_FWD_CORE wxSize; // ---------------------------------------------------------------------------- // font constants @@ -69,8 +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, @@ -111,9 +120,33 @@ class WXDLLIMPEXP_FWD_CORE wxNativeFontInfo; 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 @@ -122,15 +155,9 @@ public: 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 - static wxFont *New(int pointSize, - wxFontFamily family, - int flags = wxFONTFLAG_DEFAULT, - const wxString& face = wxEmptyString, - wxFontEncoding encoding = wxFONTENCODING_DEFAULT); + 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( @@ -140,8 +167,40 @@ 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(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 + // 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, @@ -164,10 +223,11 @@ public: 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; @@ -180,10 +240,12 @@ 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 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) @@ -192,25 +254,75 @@ public: 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, ...) wxString GetFamilyString() const; 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); + // 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 @@ -224,11 +336,47 @@ 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(__WXPALMOS__) - #include "wx/palmos/font.h" -#elif defined(__WXMSW__) +#if defined(__WXMSW__) #include "wx/msw/font.h" #elif defined(__WXMOTIF__) #include "wx/motif/font.h" @@ -238,12 +386,10 @@ WXDLLIMPEXP_CORE bool wxFromString(const wxString& str, wxFontBase* font); #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__) @@ -278,5 +424,36 @@ public: 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_