X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ae3c17b4013e80b99976c750c19fca47729517f6..ee7553e935502f77f7aed93221a449b982dee40d:/interface/wx/font.h?ds=inline diff --git a/interface/wx/font.h b/interface/wx/font.h index a3eeaba9fe..3d4d3b1fdc 100644 --- a/interface/wx/font.h +++ b/interface/wx/font.h @@ -3,273 +3,411 @@ // Purpose: interface of wxFont // Author: wxWidgets team // RCS-ID: $Id$ -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -/** - @class wxFont - @wxheader{font.h} - A font is an object which determines the appearance of text. Fonts are - used for drawing text to a device context, and setting the appearance of - a window's text. - - This class uses @ref overview_trefcount "reference counting and copy-on-write" - internally so that assignments between two instances of this class are very - cheap. You can therefore use actual objects instead of pointers without - efficiency problems. If an instance of this class is changed it will create - its own data internally so that other instances, which previously shared the - data using the reference counting, are not affected. - - You can retrieve the current system font settings with wxSystemSettings. - - wxSystemSettings - - @library{wxcore} - @category{gdi} - - @stdobjects - ::wxNullFont, ::wxNORMAL_FONT, ::wxSMALL_FONT, ::wxITALIC_FONT, ::wxSWISS_FONT +/** + Standard font families: these are used mainly during wxFont creation to specify + the generic properties of the font without hardcoding in the sources a specific + face name. - @see @ref overview_wxfontoverview, wxDC::SetFont, wxDC::DrawText, - wxDC::GetTextExtent, wxFontDialog, wxSystemSettings + wxFontFamily thus allows to group the font face names of fonts with similar + properties. Most wxWidgets ports use lists of fonts for each font family + inspired by the data taken from http://www.codestyle.org/css/font-family. */ -class wxFont : public wxGDIObject +enum wxFontFamily { -public: - //@{ - /** - Creates a font object with the specified attributes. - - @param pointSize - Size in points. - @param pixelSize - Size in pixels: this is directly supported only under MSW - currently where this constructor can be used directly, under other - platforms a - font with the closest size to the given one is found using binary search and - the static New method must be used. - @param family - Font family, a generic way of referring to fonts without specifying actual - facename. One of: - - - - - - - - wxFONTFAMILY_DEFAULT - - - - - Chooses a default font. - - - - - - wxFONTFAMILY_DECORATIVE - - - - - A decorative font. - - - - - - wxFONTFAMILY_ROMAN - - - - - A formal, serif font. - - - - - - wxFONTFAMILY_SCRIPT - - - - - A handwriting font. - + wxFONTFAMILY_DEFAULT = wxDEFAULT, //!< Chooses a default font. + + wxFONTFAMILY_DECORATIVE = wxDECORATIVE, //!< A decorative font. + wxFONTFAMILY_ROMAN = wxROMAN, //!< A formal, serif font. + wxFONTFAMILY_SCRIPT = wxSCRIPT, //!< A handwriting font. + wxFONTFAMILY_SWISS = wxSWISS, //!< A sans-serif font. + + /// A fixed pitch font. Note that wxFont currently does not make distinctions + /// between @c wxFONTFAMILY_MODERN and @c wxFONTFAMILY_TELETYPE. + wxFONTFAMILY_MODERN = wxMODERN, + + /// A teletype (i.e. monospaced) font. + /// Monospace fonts have a fixed width like typewriters and often have strong angular + /// or block serifs. Monospace font faces are often used code samples and have a simple, + /// functional font style. + /// See also wxFont::IsFixedWidth() for an easy way to test for monospace property. + wxFONTFAMILY_TELETYPE = wxTELETYPE, + + /// Invalid font family value, returned by wxFont::GetFamily() when the + /// font is invalid for example. + wxFONTFAMILY_UNKNOWN +}; +/** + Font styles. +*/ +enum wxFontStyle +{ + /// The font is drawn without slant. + wxFONTSTYLE_NORMAL = wxNORMAL, + /// The font is slanted in an italic style. + wxFONTSTYLE_ITALIC = wxITALIC, + /// The font is slanted, but in a roman style. + /// Note that under wxMSW this style is the same as @c wxFONTSTYLE_ITALIC. + wxFONTSTYLE_SLANT = wxSLANT, - wxFONTFAMILY_SWISS + wxFONTSTYLE_MAX +}; +/** + Font weights. +*/ +enum wxFontWeight +{ + wxFONTWEIGHT_NORMAL = wxNORMAL, //!< Normal font. + wxFONTWEIGHT_LIGHT = wxLIGHT, //!< Light font. + wxFONTWEIGHT_BOLD = wxBOLD, //!< Bold font. + wxFONTWEIGHT_MAX +}; +/** + Symbolic font sizes. + The elements of this enum correspond to CSS absolute size specifications, + see http://www.w3.org/TR/CSS21/fonts.html#font-size-props - A sans-serif font. + @see wxFont::SetSymbolicSize() + @since 2.9.2 + */ +enum wxFontSymbolicSize +{ + wxFONTSIZE_XX_SMALL = -3, //!< Extra small. + wxFONTSIZE_X_SMALL, //!< Very small. + wxFONTSIZE_SMALL, //!< Small. + wxFONTSIZE_MEDIUM, //!< Normal. + wxFONTSIZE_LARGE, //!< Large. + wxFONTSIZE_X_LARGE, //!< Very large. + wxFONTSIZE_XX_LARGE //!< Extra 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 +}; - wxFONTFAMILY_MODERN +/** + Font encodings. + See wxFont::SetEncoding(). +*/ +enum wxFontEncoding +{ + /// Default system encoding. + wxFONTENCODING_SYSTEM = -1, // system default + + /// Default application encoding. + 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 (old) (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, //!< Baltic (Latin7) + wxFONTENCODING_ISO8859_14, //!< Latin8 + wxFONTENCODING_ISO8859_15, //!< Latin9 (a.k.a. Latin0, includes euro) + wxFONTENCODING_ISO8859_MAX, + + // Cyrillic charset soup (see http://czyborra.com/charsets/cyrillic.html) + wxFONTENCODING_KOI8, //!< KOI8 Russian + wxFONTENCODING_KOI8_U, //!< KOI8 Ukrainian + 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_CP874, //!< WinThai + wxFONTENCODING_CP932, //!< Japanese (shift-JIS) + wxFONTENCODING_CP936, //!< Chinese simplified (GB) + wxFONTENCODING_CP949, //!< Korean (Hangul charset) + wxFONTENCODING_CP950, //!< Chinese (traditional - Big5) + wxFONTENCODING_CP1250, //!< WinLatin2 + wxFONTENCODING_CP1251, //!< WinCyrillic + wxFONTENCODING_CP1252, //!< WinLatin1 + wxFONTENCODING_CP1253, //!< WinGreek (8859-7) + wxFONTENCODING_CP1254, //!< WinTurkish + wxFONTENCODING_CP1255, //!< WinHebrew + wxFONTENCODING_CP1256, //!< WinArabic + wxFONTENCODING_CP1257, //!< WinBaltic (same as Latin 7) + wxFONTENCODING_CP12_MAX, + + wxFONTENCODING_UTF7, //!< UTF-7 Unicode encoding + wxFONTENCODING_UTF8, //!< UTF-8 Unicode encoding + wxFONTENCODING_EUC_JP, //!< Extended Unix Codepage for Japanese + wxFONTENCODING_UTF16BE, //!< UTF-16 Big Endian Unicode encoding + wxFONTENCODING_UTF16LE, //!< UTF-16 Little Endian Unicode encoding + wxFONTENCODING_UTF32BE, //!< UTF-32 Big Endian Unicode encoding + wxFONTENCODING_UTF32LE, // UTF-32 Little Endian Unicode encoding + + wxFONTENCODING_MACROMAN, //!< the standard mac encodings + wxFONTENCODING_MACJAPANESE, + wxFONTENCODING_MACCHINESETRAD, + wxFONTENCODING_MACKOREAN, + wxFONTENCODING_MACARABIC, + wxFONTENCODING_MACHEBREW, + wxFONTENCODING_MACGREEK, + wxFONTENCODING_MACCYRILLIC, + wxFONTENCODING_MACDEVANAGARI, + wxFONTENCODING_MACGURMUKHI, + wxFONTENCODING_MACGUJARATI, + wxFONTENCODING_MACORIYA, + wxFONTENCODING_MACBENGALI, + wxFONTENCODING_MACTAMIL, + wxFONTENCODING_MACTELUGU, + wxFONTENCODING_MACKANNADA, + wxFONTENCODING_MACMALAJALAM, + wxFONTENCODING_MACSINHALESE, + wxFONTENCODING_MACBURMESE, + wxFONTENCODING_MACKHMER, + wxFONTENCODING_MACTHAI, + wxFONTENCODING_MACLAOTIAN, + wxFONTENCODING_MACGEORGIAN, + wxFONTENCODING_MACARMENIAN, + wxFONTENCODING_MACCHINESESIMP, + wxFONTENCODING_MACTIBETAN, + wxFONTENCODING_MACMONGOLIAN, + wxFONTENCODING_MACETHIOPIC, + wxFONTENCODING_MACCENTRALEUR, + wxFONTENCODING_MACVIATNAMESE, + wxFONTENCODING_MACARABICEXT, + wxFONTENCODING_MACSYMBOL, + wxFONTENCODING_MACDINGBATS, + wxFONTENCODING_MACTURKISH, + wxFONTENCODING_MACCROATIAN, + wxFONTENCODING_MACICELANDIC, + wxFONTENCODING_MACROMANIAN, + wxFONTENCODING_MACCELTIC, + wxFONTENCODING_MACGAELIC, + wxFONTENCODING_MACKEYBOARD, + + // more CJK encodings (for historical reasons some are already declared + // above) + wxFONTENCODING_ISO2022_JP, //!< ISO-2022-JP JIS encoding + + wxFONTENCODING_MAX, //!< highest enumerated encoding value + + wxFONTENCODING_MACMIN = wxFONTENCODING_MACROMAN , + wxFONTENCODING_MACMAX = wxFONTENCODING_MACKEYBOARD , + + // aliases for endian-dependent UTF encodings + wxFONTENCODING_UTF16, //!< native UTF-16 + wxFONTENCODING_UTF32, //!< native UTF-32 + + /// Alias for the native Unicode encoding on this platform + /// (this is used by wxEncodingConverter and wxUTFFile only for now) + wxFONTENCODING_UNICODE, + + wxFONTENCODING_GB2312 = wxFONTENCODING_CP936, //!< Simplified Chinese + wxFONTENCODING_BIG5 = wxFONTENCODING_CP950, //!< Traditional Chinese + wxFONTENCODING_SHIFT_JIS = wxFONTENCODING_CP932, //!< Shift JIS + wxFONTENCODING_EUC_KR = wxFONTENCODING_CP949 //!< Korean +}; - A fixed pitch font. +/** + @class wxFont + A font is an object which determines the appearance of text. + Fonts are used for drawing text to a device context, and setting the appearance + of a window's text. + This class uses @ref overview_refcount "reference counting and copy-on-write" + internally so that assignments between two instances of this class are very + cheap. You can therefore use actual objects instead of pointers without + efficiency problems. If an instance of this class is changed it will create + its own data internally so that other instances, which previously shared the + data using the reference counting, are not affected. + You can retrieve the current system font settings with wxSystemSettings. + @library{wxcore} + @category{gdi} - wxFONTFAMILY_TELETYPE + @stdobjects + ::wxNullFont, ::wxNORMAL_FONT, ::wxSMALL_FONT, ::wxITALIC_FONT, ::wxSWISS_FONT + @see @ref overview_font, wxDC::SetFont, wxDC::DrawText, + wxDC::GetTextExtent, wxFontDialog, wxSystemSettings +*/ +class wxFont : public wxGDIObject +{ +public: + /** + Default ctor. + */ + wxFont(); + /** + Copy constructor, uses @ref overview_refcount "reference counting". + */ + wxFont(const wxFont& font); + /** + Creates a font object with the specified attributes. - A teletype font. + @param pointSize + Size in points. See SetPointSize() for more info. + @param family + The font family: a generic portable way of referring to fonts without specifying a + facename. This parameter must be one of the ::wxFontFamily enumeration values. + If the @a faceName argument is provided, then it overrides the font family. @param style - One of wxFONTSTYLE_NORMAL, wxFONTSTYLE_SLANT and wxFONTSTYLE_ITALIC. + One of @c wxFONTSTYLE_NORMAL, @c wxFONTSTYLE_SLANT and @c wxFONTSTYLE_ITALIC. @param weight - Font weight, sometimes also referred to as font boldness. One of: - - - - - - - - wxFONTWEIGHT_NORMAL - - - - - Normal font. - - - - - - wxFONTWEIGHT_LIGHT - - - - - Light font. - - - - - - wxFONTWEIGHT_BOLD - - - - - Bold font. + Font weight, sometimes also referred to as font boldness. + One of the ::wxFontWeight enumeration values. @param underline - The value can be @true or @false. At present this has an effect on Windows - and Motif 2.x only. + The value can be @true or @false. + At present this has an effect on Windows and Motif 2.x only. @param faceName - An optional string specifying the actual typeface to be used. If it is an - empty string, - a default typeface will be chosen based on the family. + An optional string specifying the face name to be used. + If it is an empty string, a default face name will be chosen based on the family. @param encoding - An encoding which may be one of - - - - - - - - wxFONTENCODING_SYSTEM - - - - - Default system encoding. - - - - - - wxFONTENCODING_DEFAULT - - - - - Default application encoding: this - is the encoding set by calls to - SetDefaultEncoding and which may be set to, - say, KOI8 to create all fonts by default with KOI8 encoding. Initially, the - default application encoding is the same as default system encoding. - - - - - - wxFONTENCODING_ISO8859_1...15 - - - - - ISO8859 encodings. - - - - - - wxFONTENCODING_KOI8 - - - - - The standard Russian encoding for Internet. - - - - - - wxFONTENCODING_CP1250...1252 - - - - - Windows encodings similar to ISO8859 (but not identical). - - + An encoding which may be one of the enumeration values of ::wxFontEncoding. + Briefly these can be summed up as: + + + + + + +
@c wxFONTENCODING_SYSTEMDefault system encoding.
@c wxFONTENCODING_DEFAULT + Default application encoding: this is the encoding set by calls to + SetDefaultEncoding() and which may be set to, say, KOI8 to create all + fonts by default with KOI8 encoding. Initially, the default application + encoding is the same as default system encoding.
@c wxFONTENCODING_ISO8859_1...15ISO8859 encodings.
@c wxFONTENCODING_KOI8The standard Russian encoding for Internet.
@c wxFONTENCODING_CP1250...1252Windows encodings similar to ISO8859 (but not identical).
+ If the specified encoding isn't available, no font is created + (see also @ref overview_fontencoding). + @remarks If the desired font does not exist, the closest match will be + chosen. Under Windows, only scalable TrueType fonts are used. + */ + wxFont(int pointSize, wxFontFamily family, wxFontStyle style, + wxFontWeight weight, + bool underline = false, + const wxString& faceName = wxEmptyString, + wxFontEncoding encoding = wxFONTENCODING_DEFAULT); + /** + Creates a font object with the specified attributes. + @param pixelSize + Size in pixels. See SetPixelSize() for more info. + @param family + The font family: a generic portable way of referring to fonts without specifying a + facename. This parameter must be one of the ::wxFontFamily enumeration values. + If the @a faceName argument is provided, then it overrides the font family. + @param style + One of @c wxFONTSTYLE_NORMAL, @c wxFONTSTYLE_SLANT and @c wxFONTSTYLE_ITALIC. + @param weight + Font weight, sometimes also referred to as font boldness. + One of the ::wxFontWeight enumeration values. + @param underline + The value can be @true or @false. + At present this has an effect on Windows and Motif 2.x only. + @param faceName + An optional string specifying the face name to be used. + If it is an empty string, a default face name will be chosen based on the family. + @param encoding + An encoding which may be one of the enumeration values of ::wxFontEncoding. + Briefly these can be summed up as: + + + + + + +
@c wxFONTENCODING_SYSTEMDefault system encoding.
@c wxFONTENCODING_DEFAULT + Default application encoding: this is the encoding set by calls to + SetDefaultEncoding() and which may be set to, say, KOI8 to create all + fonts by default with KOI8 encoding. Initially, the default application + encoding is the same as default system encoding.
@c wxFONTENCODING_ISO8859_1...15ISO8859 encodings.
@c wxFONTENCODING_KOI8The standard Russian encoding for Internet.
@c wxFONTENCODING_CP1250...1252Windows encodings similar to ISO8859 (but not identical).
If the specified encoding isn't available, no font is created - (see also font encoding overview). + (see also @ref overview_fontencoding). @remarks If the desired font does not exist, the closest match will be - chosen. Under Windows, only scalable TrueType fonts are - used. + chosen. Under Windows, only scalable TrueType fonts are used. */ - wxFont(); - wxFont(const wxFont& font); - wxFont(int pointSize, wxFontFamily family, int style, - wxFontWeight weight, - const bool underline = false, - const wxString& faceName = "", - wxFontEncoding encoding = wxFONTENCODING_DEFAULT); wxFont(const wxSize& pixelSize, wxFontFamily family, - int style, wxFontWeight weight, - const bool underline = false, - const wxString& faceName = "", + wxFontStyle style, wxFontWeight weight, + bool underline = false, + const wxString& faceName = wxEmptyString, wxFontEncoding encoding = wxFONTENCODING_DEFAULT); - //@} + + /** + Constructor from font description string. + + This constructor uses SetNativeFontInfo() to initialize the font. + If @a fontdesc is invalid the font remains uninitialized, i.e. its IsOk() method + will return @false. + */ + wxFont(const wxString& fontdesc); /** Destructor. - See @ref overview_refcountdestruct "reference-counted object destruction" for - more info. + + See @ref overview_refcount_destruct "reference-counted object destruction" + for more info. @remarks Although all remaining fonts are deleted when the application exits, the application should try to clean up all fonts @@ -277,247 +415,331 @@ public: pointer to the font object is stored in an application data structure, and there is a risk of double deletion. */ - ~wxFont(); + virtual ~wxFont(); + + + /** + @name Getters + */ + //@{ /** - Returns the current application's default encoding. + Returns the encoding of this font. + + Note that under wxGTK the returned value is always @c wxFONTENCODING_UTF8. - @see @ref overview_wxfontencodingoverview, SetDefaultEncoding() + @see SetEncoding() */ - static wxFontEncoding GetDefaultEncoding(); + virtual wxFontEncoding GetEncoding() const; /** - Returns the typeface name associated with the font, or the empty string if - there is no - typeface information. + Returns the face name associated with the font, or the empty string if + there is no face information. @see SetFaceName() */ - wxString GetFaceName() const; + virtual wxString GetFaceName() const; /** - Gets the font family. See SetFamily() for a list of valid - family identifiers. + Gets the font family if possible. + + As described in ::wxFontFamily docs the returned value acts as a rough, + basic classification of the main font properties (look, spacing). + + If the current font face name is not recognized by wxFont or by the + underlying system, @c wxFONTFAMILY_DEFAULT is returned. + + Note that currently this function is not very precise and so not + particularly useful. Font families mostly make sense only for font + creation, see SetFamily(). @see SetFamily() */ - wxFontFamily GetFamily() const; + virtual wxFontFamily GetFamily() const; /** Returns the platform-dependent string completely describing this font. - Returned string is always non-empty. + + Returned string is always non-empty unless the font is invalid (in + which case an assert is triggered). + Note that the returned string is not meant to be shown or edited by the user: a - typical - use of this function is for serializing in string-form a wxFont object. + typical use of this function is for serializing in string-form a wxFont object. - @see SetNativeFontInfo(),GetNativeFontInfoUserDesc() + @see SetNativeFontInfo(), GetNativeFontInfoUserDesc() */ wxString GetNativeFontInfoDesc() const; /** - Returns a user-friendly string for this font object. Returned string is always - non-empty. + Returns a user-friendly string for this font object. + + Returned string is always non-empty unless the font is invalid (in + which case an assert is triggered). + + The string does not encode all wxFont infos under all platforms; + e.g. under wxMSW the font family is not present in the returned string. + Some examples of the formats of returned strings (which are platform-dependent) are in SetNativeFontInfoUserDesc(). - @see GetNativeFontInfoDesc() + @see SetNativeFontInfoUserDesc(), GetNativeFontInfoDesc() */ - wxString GetNativeFontInfoUserDesc(); + wxString GetNativeFontInfoUserDesc() const; /** Gets the point size. @see SetPointSize() */ - int GetPointSize() const; + virtual int GetPointSize() const; + + /** + Gets the pixel size. + + Note that under wxMSW if you passed to SetPixelSize() (or to the ctor) + a wxSize object with a null width value, you'll get a null width in + the returned object. + + @see SetPixelSize() + */ + virtual wxSize GetPixelSize() const; /** - Gets the font style. See wxFont() for a list of valid - styles. + Gets the font style. See ::wxFontStyle for a list of valid styles. @see SetStyle() */ - int GetStyle() const; + virtual wxFontStyle GetStyle() const; /** Returns @true if the font is underlined, @false otherwise. @see SetUnderlined() */ - bool GetUnderlined() const; + virtual bool GetUnderlined() const; /** - Gets the font weight. See wxFont() for a list of valid - weight identifiers. + Gets the font weight. See ::wxFontWeight for a list of valid weight identifiers. @see SetWeight() */ - wxFontWeight GetWeight() const; + virtual wxFontWeight GetWeight() const; /** Returns @true if the font is a fixed width (or monospaced) font, @false if it is a proportional one or font is invalid. + + Note that this function under some platforms is different than just testing + for the font family being equal to @c wxFONTFAMILY_TELETYPE because native + platform-specific functions are used for the check (resulting in a more + accurate return value). */ - bool IsFixedWidth() const; + virtual bool IsFixedWidth() const; /** Returns @true if this object is a valid font, @false otherwise. */ - bool IsOk() const; + virtual bool IsOk() const; - //@{ - /** - These functions take the same parameters as @ref ctor() wxFont - constructor and return a new font object allocated on the heap. - Using @c New() is currently the only way to directly create a font with - the given size in pixels on platforms other than wxMSW. - */ - static wxFont* New(int pointSize, wxFontFamily family, int style, - wxFontWeight weight, - const bool underline = false, - const wxString& faceName = "", - wxFontEncoding encoding = wxFONTENCODING_DEFAULT); - static wxFont* New(int pointSize, wxFontFamily family, - int flags = wxFONTFLAG_DEFAULT, - const wxString& faceName = "", - wxFontEncoding encoding = wxFONTENCODING_DEFAULT); - static wxFont* New(const wxSize& pixelSize, - wxFontFamily family, - int style, - wxFontWeight weight, - const bool underline = false, - const wxString& faceName = "", - wxFontEncoding encoding = wxFONTENCODING_DEFAULT); - static wxFont* New(const wxSize& pixelSize, - wxFontFamily family, - int flags = wxFONTFLAG_DEFAULT, - const wxString& faceName = "", - wxFontEncoding encoding = wxFONTENCODING_DEFAULT); //@} - /** - Sets the default font encoding. - - @see @ref overview_wxfontencodingoverview, GetDefaultEncoding() - */ - static void SetDefaultEncoding(wxFontEncoding encoding); /** - Sets the facename for the font. - Returns @true if the given face name exists; @false otherwise. + @name Similar fonts creation - @param faceName - A valid facename, which should be on the end-user's system. - - @remarks To avoid portability problems, don't rely on a specific face, - but specify the font family instead or as well. A - suitable font will be found on the end-user's system. - If both the family and the facename are specified, - wxWidgets will first search for the specific face, and - then for a font belonging to the same family. - - @see GetFaceName(), SetFamily() - */ - bool SetFaceName(const wxString& faceName); + The functions in this section either modify the font in place or create + a new font similar to the given one but with its weight, style or size + changed. + */ + //@{ /** - Sets the font family. - - @param family - One of: - + Returns a bold version of this font. + @see MakeBold() + @since 2.9.1 + */ + wxFont Bold() const; + /** + Returns an italic version of this font. + @see MakeItalic() + @since 2.9.1 + */ + wxFont Italic() const; - wxFONTFAMILY_DEFAULT - - - - - Chooses a default font. - - - - + /** + Returns a larger version of this font. - wxFONTFAMILY_DECORATIVE + The font size is multiplied by @c 1.2, the factor of @c 1.2 being + inspired by the W3C CSS specification. + @see MakeLarger(), Smaller(), Scaled() + @since 2.9.1 + */ + wxFont Larger() const; + /** + Returns a smaller version of this font. - A decorative font. + The font size is divided by @c 1.2, the factor of @c 1.2 being + inspired by the W3C CSS specification. + @see MakeSmaller(), Larger(), Scaled() + @since 2.9.1 + */ + wxFont Smaller() const; + /** + Returns underlined version of this font. + @see MakeUnderlined() - wxFONTFAMILY_ROMAN + @since 2.9.2 + */ + wxFont Underlined() const; + /** + Changes this font to be bold. + @see Bold() + @since 2.9.1 + */ + wxFont& MakeBold(); - A formal, serif font. + /** + Changes this font to be italic. + @see Italic() + @since 2.9.1 + */ + wxFont& MakeItalic(); + /** + Changes this font to be larger. + The font size is multiplied by @c 1.2, the factor of @c 1.2 being + inspired by the W3C CSS specification. - wxFONTFAMILY_SCRIPT + @see Larger(), MakeSmaller(), Scale() + @since 2.9.1 + */ + wxFont& MakeLarger(); + /** + Changes this font to be smaller. + The font size is divided by @c 1.2, the factor of @c 1.2 being + inspired by the W3C CSS specification. - A handwriting font. + @see Smaller(), MakeLarger(), Scale() + @since 2.9.1 + */ + wxFont& MakeSmaller(); + /** + Changes this font to be underlined. + @see Underlined() + @since 2.9.2 + */ + wxFont& MakeUnderlined(); - wxFONTFAMILY_SWISS + /** + Changes the size of this font. + The font size is multiplied by the given factor (which may be less than + 1 to create a smaller version of the font). + @see Scaled(), MakeLarger(), MakeSmaller() + @since 2.9.1 + */ + wxFont& Scale(float x); - A sans-serif font. + /** + Returns a scaled version of this font. + The font size is multiplied by the given factor (which may be less than + 1 to create a smaller version of the font). + @see Scale(), Larger(), Smaller() + @since 2.9.1 + */ + wxFont Scaled(float x) const; + //@} - wxFONTFAMILY_MODERN + /** + @name Setters + These functions internally recreate the native font object with the new + specified property. + */ + //@{ + /** + Sets the encoding for this font. + Note that under wxGTK this function has no effect (because the underlying + Pango library always uses @c wxFONTENCODING_UTF8). - A fixed pitch font. + @see GetEncoding() + */ + virtual void SetEncoding(wxFontEncoding encoding); + /** + Sets the facename for the font. + @param faceName + A valid facename, which should be on the end-user's system. + @remarks To avoid portability problems, don't rely on a specific face, + but specify the font family instead (see ::wxFontFamily and SetFamily()). + @return @true if the given face name exists; if the face name doesn't exist + in the user's system then the font is invalidated (so that IsOk() will + return @false) and @false is returned. - wxFONTFAMILY_TELETYPE + @see GetFaceName(), SetFamily() + */ + virtual bool SetFaceName(const wxString& faceName); + /** + Sets the font family. + As described in ::wxFontFamily docs the given @a family value acts as a rough, + basic indication of the main font properties (look, spacing). + Note that changing the font family results in changing the font face name. - A teletype font. + @param family + One of the ::wxFontFamily values. @see GetFamily(), SetFaceName() */ - void SetFamily(wxFontFamily family); + virtual void SetFamily(wxFontFamily family); /** - Creates the font corresponding to the given native font description string and - returns @true if - the creation was successful. - which must have been previously returned by - GetNativeFontInfoDesc(). If the string is - invalid, font is unchanged. This function is typically used for de-serializing - a wxFont - object previously saved in a string-form. + Creates the font corresponding to the given native font description string + which must have been previously returned by GetNativeFontInfoDesc(). + + If the string is invalid, font is unchanged. + This function is typically used for de-serializing a wxFont object + previously saved in a string-form. + + @return @true if the creation was successful. @see SetNativeFontInfoUserDesc() */ @@ -525,30 +747,28 @@ public: /** Creates the font corresponding to the given native font description string and - returns @true if - the creation was successful. - Unlike SetNativeFontInfo(), this function accepts - strings which are user-friendly. - Examples of accepted string formats are: - - Generic syntax - - Example - - on @b wxGTK2: @c [FACE-NAME] [bold] [oblique|italic] [POINTSIZE] - - Monospace bold 10 + returns @true if the creation was successful. - on @b wxMSW: @c [light|bold] [italic] [FACE-NAME] [POINTSIZE] [ENCODING] - - Tahoma 10 WINDOWS-1252 + Unlike SetNativeFontInfo(), this function accepts strings which are user-friendly. + Examples of accepted string formats are: - on @b wxMac: FIXME + @beginTable + @hdr3col{platform, generic syntax, example} + @row3col{wxGTK2, [FACE-NAME] [bold] [oblique|italic] [POINTSIZE], Monospace bold 10} + @row3col{wxMSW, [light|bold] [italic] [FACE-NAME] [POINTSIZE] [ENCODING], Tahoma 10 WINDOWS-1252} + @endTable - FIXME + @todo add an example for wxMac For more detailed information about the allowed syntaxes you can look at the - documentation of the native API used for font-rendering (e.g. pango_font_description_from_string). + documentation of the native API used for font-rendering + (e.g. @c pango_font_description_from_string on GTK). + + Note that unlike SetNativeFontInfo(), this function doesn't always restore all + attributes of the wxFont object under all platforms; e.g. on wxMSW the font family + is not restored (because GetNativeFontInfoUserDesc doesn't return it on wxMSW). + If you want to serialize/deserialize a font in string form, you should use + GetNativeFontInfoDesc() and SetNativeFontInfo() instead. @see SetNativeFontInfo() */ @@ -557,96 +777,152 @@ public: /** Sets the point size. + The point size is defined as 1/72 of the anglo-Saxon inch + (25.4 mm): it is approximately 0.0139 inch or 352.8 um. + @param pointSize Size in points. @see GetPointSize() */ - void SetPointSize(int pointSize); + virtual void SetPointSize(int pointSize); /** - Sets the font style. + Sets the pixel size. - @param style - One of wxFONTSTYLE_NORMAL, wxFONTSTYLE_SLANT and wxFONTSTYLE_ITALIC. + The height parameter of @a pixelSize must be positive while the width + parameter may also be zero (to indicate that you're not interested in the + width of the characters: a suitable width will be chosen for best rendering). - @see GetStyle() + This feature (specifying the font pixel size) is directly supported only + under wxMSW and wxGTK currently; under other platforms a font with the + closest size to the given one is found using binary search (this maybe slower). + + @see GetPixelSize() */ - void SetStyle(int style); + virtual void SetPixelSize(const wxSize& pixelSize); /** - Sets underlining. + Sets the font style. - @param underlining - @true to underline, @false otherwise. + @param style + One of the ::wxFontStyle enumeration values. - @see GetUnderlined() + @see GetStyle() */ - void SetUnderlined(const bool underlined); + virtual void SetStyle(wxFontStyle style); /** - Sets the font weight. - - @param weight - One of: - + Sets the font size using a predefined symbolic size name. + This function allows to change font size to be (very) large or small + compared to the standard font size. + @see SetSymbolicSizeRelativeTo(). + @since 2.9.2 + */ + void SetSymbolicSize(wxFontSymbolicSize size); + /** + Sets the font size compared to the base font size. + This is the same as SetSymbolicSize() except that it uses the given + font size as the normal font size instead of the standard font size. - wxFONTWEIGHT_NORMAL - - - - - Normal font. - - + @since 2.9.2 + */ + void SetSymbolicSizeRelativeTo(wxFontSymbolicSize size, int base); + /** + Sets underlining. + @param underlined + @true to underline, @false otherwise. - wxFONTWEIGHT_LIGHT + @see GetUnderlined() + */ + virtual void SetUnderlined(bool underlined); + /** + Sets the font weight. + @param weight + One of the ::wxFontWeight values. + @see GetWeight() + */ + virtual void SetWeight(wxFontWeight weight); - Light font. + //@} + /** + Inequality operator. + See @ref overview_refcount_equality "reference-counted object comparison" for + more info. + */ + bool operator!=(const wxFont& font) const; + /** + Equality operator. - wxFONTWEIGHT_BOLD + See @ref overview_refcount_equality "reference-counted object comparison" for + more info. + */ + bool operator==(const wxFont& font) const; + /** + Assignment operator, using @ref overview_refcount "reference counting". + */ + wxFont& operator =(const wxFont& font); + // statics - Bold font. + /** + Returns the current application's default encoding. - @see GetWeight() + @see @ref overview_fontencoding, SetDefaultEncoding() */ - void SetWeight(wxFontWeight weight); + static wxFontEncoding GetDefaultEncoding(); /** - Inequality operator. - See @ref overview_refcountequality "reference-counted object comparison" for - more info. - */ - bool operator !=(const wxFont& font); + Sets the default font encoding. - /** - Assignment operator, using @ref overview_trefcount "reference counting". + @see @ref overview_fontencoding, GetDefaultEncoding() */ - wxFont operator =(const wxFont& font); + static void SetDefaultEncoding(wxFontEncoding encoding); + //@{ /** - Equality operator. - See @ref overview_refcountequality "reference-counted object comparison" for - more info. + This function takes the same parameters as the relative + @ref wxFont::wxFont "wxFont constructor" and returns a new font + object allocated on the heap. */ - bool operator ==(const wxFont& font); + static wxFont* New(int pointSize, wxFontFamily family, wxFontStyle style, + wxFontWeight weight, + bool underline = false, + const wxString& faceName = wxEmptyString, + wxFontEncoding encoding = wxFONTENCODING_DEFAULT); + static wxFont* New(int pointSize, wxFontFamily family, + int flags = wxFONTFLAG_DEFAULT, + const wxString& faceName = wxEmptyString, + wxFontEncoding encoding = wxFONTENCODING_DEFAULT); + static wxFont* New(const wxSize& pixelSize, + wxFontFamily family, + wxFontStyle style, + wxFontWeight weight, + bool underline = false, + const wxString& faceName = wxEmptyString, + wxFontEncoding encoding = wxFONTENCODING_DEFAULT); + static wxFont* New(const wxSize& pixelSize, + wxFontFamily family, + int flags = wxFONTFLAG_DEFAULT, + const wxString& faceName = wxEmptyString, + wxFontEncoding encoding = wxFONTENCODING_DEFAULT); + //@} }; @@ -656,38 +932,43 @@ public: wxFont wxNullFont; /** - FIXME + Equivalent to wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT). + + @see wxSystemSettings */ wxFont wxNORMAL_FONT; /** - FIXME + A font using the @c wxFONTFAMILY_SWISS family and 2 points smaller than + ::wxNORMAL_FONT. */ wxFont wxSMALL_FONT; /** - FIXME + A font using the @c wxFONTFAMILY_ROMAN family and @c wxFONTSTYLE_ITALIC style and + of the same size of ::wxNORMAL_FONT. */ wxFont wxITALIC_FONT; /** - FIXME + A font identic to ::wxNORMAL_FONT except for the family used which is + @c wxFONTFAMILY_SWISS. */ wxFont wxSWISS_FONT; /** @class wxFontList - @wxheader{gdicmn.h} - A font list is a list containing all fonts which have been created. There - is only one instance of this class: @b wxTheFontList. Use this object to search - for a previously created font of the desired type and create it if not already - found. + A font list is a list containing all fonts which have been created. + There is only one instance of this class: ::wxTheFontList. + + Use this object to search for a previously created font of the desired type + and create it if not already found. + In some windowing systems, the font may be a scarce resource, so it is best to reuse old resources if possible. When an application finishes, all fonts will - be - deleted and their resources freed, eliminating the possibility of 'memory + be deleted and their resources freed, eliminating the possibility of 'memory leaks'. @library{wxcore} @@ -700,29 +981,32 @@ class wxFontList : public wxList public: /** Constructor. The application should not construct its own font list: - use the object pointer @b wxTheFontList. + use the object pointer ::wxTheFontList. */ wxFontList(); /** Finds a font of the given specification, or creates one and adds it to the - list. See the @ref wxFont::ctor "wxFont constructor" for - details of the arguments. + list. See the @ref wxFont "wxFont constructor" for details of the arguments. */ - wxFont* FindOrCreateFont(int point_size, int family, int style, - int weight, - bool underline = false, - const wxString& facename = NULL, + wxFont* FindOrCreateFont(int point_size, wxFontFamily family, wxFontStyle style, + wxFontWeight weight, bool underline = false, + const wxString& facename = wxEmptyString, wxFontEncoding encoding = wxFONTENCODING_DEFAULT); }; +/** + The global wxFontList instance. +*/ +wxFontList* wxTheFontList; + // ============================================================================ // Global functions/macros // ============================================================================ -/** @ingroup group_funcmacro_misc */ +/** @addtogroup group_funcmacro_misc */ //@{ /**