X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/59b7da02ff62a33862accc13158870f2a9a23630..8e77fd8bca165aab9709649d79a7cbc6a172d4e1:/include/wx/font.h diff --git a/include/wx/font.h b/include/wx/font.h index 6d7b46a31a..cae9bd8d5f 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 @@ -69,6 +66,18 @@ 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 wxFontFlag { @@ -102,6 +111,145 @@ enum wxFontFlag wxFONTFLAG_STRIKETHROUGH }; +// ---------------------------------------------------------------------------- +// wxFontInfo describes a wxFont +// ---------------------------------------------------------------------------- + +class wxFontInfo +{ +public: + // Default ctor uses the default font size appropriate for the current + // platform. + wxFontInfo() + { InitPointSize(-1); } + + // These ctors specify the font size, either in points or in pixels. + wxEXPLICIT wxFontInfo(int pointSize) + { InitPointSize(pointSize); } + wxEXPLICIT wxFontInfo(const wxSize& pixelSize) : m_pixelSize(pixelSize) + { Init(); } + + // Setters for the various attributes. All of them return the object itself + // so that the calls to them could be chained. + wxFontInfo& Family(wxFontFamily family) + { m_family = family; return *this; } + wxFontInfo& FaceName(const wxString& faceName) + { m_faceName = faceName; return *this; } + + wxFontInfo& Bold(bool bold = true) + { SetFlag(wxFONTFLAG_BOLD, bold); return *this; } + wxFontInfo& Light(bool light = true) + { SetFlag(wxFONTFLAG_LIGHT, light); return *this; } + + wxFontInfo& Italic(bool italic = true) + { SetFlag(wxFONTFLAG_ITALIC, italic); return *this; } + wxFontInfo& Slant(bool slant = true) + { SetFlag(wxFONTFLAG_SLANT, slant); return *this; } + + wxFontInfo& AntiAliased(bool antiAliased = true) + { SetFlag(wxFONTFLAG_ANTIALIASED, antiAliased); return *this; } + wxFontInfo& Underlined(bool underlined = true) + { SetFlag(wxFONTFLAG_UNDERLINED, underlined); return *this; } + wxFontInfo& Strikethrough(bool strikethrough = true) + { SetFlag(wxFONTFLAG_STRIKETHROUGH, strikethrough); return *this; } + + wxFontInfo& Encoding(wxFontEncoding encoding) + { m_encoding = encoding; return *this; } + + + // Set all flags at once. + wxFontInfo& AllFlags(int flags) + { m_flags = flags; return *this; } + + + // Accessors are mostly meant to be used by wxFont itself to extract the + // various pieces of the font description. + + bool IsUsingSizeInPixels() const { return m_pixelSize != wxDefaultSize; } + int GetPointSize() const { return m_pointSize; } + wxSize GetPixelSize() const { return m_pixelSize; } + wxFontFamily GetFamily() const { return m_family; } + const wxString& GetFaceName() const { return m_faceName; } + + wxFontStyle GetStyle() const + { + return m_flags & wxFONTFLAG_ITALIC + ? wxFONTSTYLE_ITALIC + : m_flags & wxFONTFLAG_SLANT + ? wxFONTSTYLE_SLANT + : wxFONTSTYLE_NORMAL; + } + + wxFontWeight GetWeight() const + { + return m_flags & wxFONTFLAG_LIGHT + ? wxFONTWEIGHT_LIGHT + : m_flags & wxFONTFLAG_BOLD + ? wxFONTWEIGHT_BOLD + : wxFONTWEIGHT_NORMAL; + } + + bool IsAntiAliased() const + { + return (m_flags & wxFONTFLAG_ANTIALIASED) != 0; + } + + bool IsUnderlined() const + { + return (m_flags & wxFONTFLAG_UNDERLINED) != 0; + } + + bool IsStrikethrough() const + { + return (m_flags & wxFONTFLAG_STRIKETHROUGH) != 0; + } + + wxFontEncoding GetEncoding() const { return m_encoding; } + + + // Default copy ctor, assignment operator and dtor are OK. + +private: + // Common part of all ctor, initializing everything except the size (which + // is initialized by the ctors themselves). + void Init() + { + m_family = wxFONTFAMILY_DEFAULT; + m_flags = wxFONTFLAG_DEFAULT; + m_encoding = wxFONTENCODING_DEFAULT; + } + + void InitPointSize(int pointSize) + { + Init(); + + m_pointSize = pointSize; + m_pixelSize = wxDefaultSize; + } + + // Turn on or off the given bit in m_flags depending on the value of the + // boolean argument. + void SetFlag(int flag, bool on) + { + if ( on ) + m_flags |= flag; + else + m_flags &= ~flag; + } + + // The size information: if m_pixelSize is valid (!= wxDefaultSize), then + // it is used. Otherwise m_pointSize is used, taking into account that if + // it is == -1, it means that the platform dependent font size should be + // used. + int m_pointSize; + wxSize m_pixelSize; + + wxFontFamily m_family; + wxString m_faceName; + int m_flags; + wxFontEncoding m_encoding; +}; + // ---------------------------------------------------------------------------- // wxFontBase represents a font object // ---------------------------------------------------------------------------- @@ -115,6 +263,7 @@ public: derived classes should provide the following ctors: wxFont(); + wxFont(const wxFontInfo& info); wxFont(const wxString& nativeFontInfoString); wxFont(const wxNativeFontInfo& info); wxFont(int size, @@ -218,6 +367,7 @@ public: 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; @@ -235,6 +385,7 @@ public: 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) @@ -243,6 +394,19 @@ 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; @@ -255,7 +419,7 @@ public: static void SetDefaultEncoding(wxFontEncoding encoding); // this doesn't do anything and is kept for compatibility only -#ifdef WXWIN_COMPATIBILITY_2_8 +#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 @@ -268,6 +432,37 @@ protected: // wxFONTFAMILY_UNKNOWN unlike the public method (see comment there). virtual wxFontFamily DoGetFamily() const = 0; + + // Helper functions to recover wxFONTSTYLE/wxFONTWEIGHT and underlined flag + // 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 @@ -306,20 +501,22 @@ WXDLLIMPEXP_CORE bool wxFromString(const wxString& str, wxFontBase* font); /* 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" @@ -329,8 +526,6 @@ 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__) @@ -378,6 +573,11 @@ extern WXDLLIMPEXP_DATA_CORE(wxFontList*) wxTheFontList; // 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) @@ -391,6 +591,8 @@ inline bool operator==(wxFontWeight s, wxDeprecatedGUIConstants t) inline bool operator!=(wxFontWeight s, wxDeprecatedGUIConstants t) { return !(s == t); } +#endif // // wxCOMPILER_NO_OVERLOAD_ON_ENUM + #endif // FUTURE_WXWIN_COMPATIBILITY_3_0 #endif