// Purpose: interface of wxFont
// Author: wxWidgets team
// RCS-ID: $Id$
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
/// See also wxFont::IsFixedWidth() for an easy way to test for monospace property.
wxFONTFAMILY_TELETYPE = wxTELETYPE,
- /// Returned by wxFont::GetFamily() when the face name of the font cannot
- /// be classified into one of the previous wxFontFamily values.
- wxFONTFAMILY_UNKNOWN = wxFONTFAMILY_MAX,
-
- wxFONTFAMILY_MAX
+ wxFONTFAMILY_MAX,
+ /// Invalid font family value, returned by wxFont::GetFamily() when the
+ /// font is invalid for example.
+ wxFONTFAMILY_UNKNOWN = wxFONTFAMILY_MAX
};
/**
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
+
+ @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.
*/
wxFONTFLAG_ANTIALIASED = 1 << 4,
wxFONTFLAG_NOT_ANTIALIASED = 1 << 5,
- /// underlined/strikethrough flags (default: no lines)
+ /// Underlined style (not underlined by default).
wxFONTFLAG_UNDERLINED = 1 << 6,
+
+ /// Strike-through style (only supported in wxMSW and wxGTK currently).
wxFONTFLAG_STRIKETHROUGH = 1 << 7,
/// the mask of all currently used flags
wxFONTENCODING_CP1255, //!< WinHebrew
wxFONTENCODING_CP1256, //!< WinArabic
wxFONTENCODING_CP1257, //!< WinBaltic (same as Latin 7)
+ wxFONTENCODING_CP1258, //!< WinVietnamese (since 2.9.4)
+ wxFONTENCODING_CP1361, //!< Johab Korean character set (since 2.9.4)
wxFONTENCODING_CP12_MAX,
wxFONTENCODING_UTF7, //!< UTF-7 Unicode encoding
/// (this is used by wxEncodingConverter and wxUTFFile only for now)
wxFONTENCODING_UNICODE,
- // alternative names for Far Eastern encodings
- // Chinese
wxFONTENCODING_GB2312 = wxFONTENCODING_CP936, //!< Simplified Chinese
wxFONTENCODING_BIG5 = wxFONTENCODING_CP950, //!< Traditional Chinese
-
- // Japanese (see http://zsigri.tripod.com/fontboard/cjk/jis.html)
- wxFONTENCODING_SHIFT_JIS = wxFONTENCODING_CP932 //!< Shift JIS
+ wxFONTENCODING_SHIFT_JIS = wxFONTENCODING_CP932, //!< Shift JIS
+ wxFONTENCODING_EUC_KR = wxFONTENCODING_CP949, //!< Korean
+ wxFONTENCODING_JOHAB = wxFONTENCODING_CP1361, //!< Korean Johab (since 2.9.4)
+ wxFONTENCODING_VIETNAMESE = wxFONTENCODING_CP1258 //!< Vietnamese (since 2.9.4)
};
+/**
+ @class wxFontInfo
+
+ This class is a helper used for wxFont creation using named parameter
+ idiom: it allows to specify various wxFont attributes using the chained
+ calls to its clearly named methods instead of passing them in the fixed
+ order to wxFont constructors.
+
+ For example, to create an italic font with the given face name and size you
+ could use:
+ @code
+ wxFont font(wxFontInfo(12).FaceName("Helvetica").Italic());
+ @endcode
+
+ Notice that all of the methods of this object return a reference to the
+ object itself, allowing the calls to them to be chained as in the example
+ above.
+
+ All methods taking boolean parameters can be used to turn the specified
+ font attribute on or off and turn it on by default.
+
+ @since 2.9.5
+ */
+class wxFontInfo
+{
+public:
+ /**
+ Default constructor uses the default font size for the current
+ platform.
+ */
+ wxFontInfo();
+
+ /**
+ Constructor setting the font size in points to use.
+
+ @see wxFont::SetPointSize()
+ */
+ explicit wxFontInfo(int pointSize);
+
+ /**
+ Constructor setting the font size in pixels to use.
+
+ @see wxFont::SetPixelSize()
+ */
+ explicit wxFontInfo(const wxSize& pixelSize);
+
+ /**
+ Set the font family.
+
+ The family is a generic portable way of referring to fonts without
+ specifying a precise face name. This parameter must be one of the
+ ::wxFontFamily enumeration values.
+
+ If the FaceName() is used, then it overrides the font family.
+
+ @see wxFont::SetFamily()
+ */
+ wxFontInfo& Family(wxFontFamily family);
+
+ /**
+ Set the font face name to use.
+
+ Face names are not portable, so prefer to use Family() in portable
+ code.
+
+ @see wxFont::SetFaceName()
+ */
+ wxFontInfo& FaceName(const wxString& faceName);
+
+ /**
+ Use a bold version of the font.
+
+ @see ::wxFontWeight, wxFont::SetWeight()
+ */
+ wxFontInfo& Bold(bool bold = true);
+
+ /**
+ Use a lighter version of the font.
+
+ @see ::wxFontWeight, wxFont::SetWeight()
+ */
+ wxFontInfo& Light(bool light = true);
+
+ /**
+ Use an italic version of the font.
+
+ @see ::wxFontStyle, wxFont::SetStyle()
+ */
+ wxFontInfo& Italic(bool italic = true);
+
+ /**
+ Use a slanted version of the font.
+
+ @see ::wxFontStyle, wxFont::SetStyle()
+ */
+ wxFontInfo& Slant(bool slant = true);
+
+ /**
+ Set anti-aliasing flag.
+
+ Force the use of anti-aliasing on or off.
+
+ Currently this is not implemented, i.e. using this method doesn't do
+ anything.
+ */
+ wxFontInfo& AntiAliased(bool antiAliased = true);
+
+ /**
+ Use an underlined version of the font.
+ */
+ wxFontInfo& Underlined(bool underlined = true);
+
+ /**
+ Use a strike-through version of the font.
+
+ Currently this is only implemented in wxMSW and wxGTK.
+ */
+ wxFontInfo& Strikethrough(bool strikethrough = true);
+
+ /**
+ Set the font encoding to use.
+
+ This is mostly unneeded in Unicode builds of wxWidgets.
+
+ @see ::wxFontEncoding, wxFont::SetEncoding()
+ */
+ wxFontInfo& Encoding(wxFontEncoding encoding);
+
+ /**
+ Set all the font attributes at once.
+
+ See ::wxFontFlag for the various flags that can be used.
+ */
+ wxFontInfo& AllFlags(int flags);
+};
/**
@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.
+ of a window's text, see wxDC::SetFont() and wxWindow::SetFont().
+
+ The easiest way to create a custom font is to use wxFontInfo object to
+ specify the font attributes and then use wxFont::wxFont(const wxFontInfo&)
+ constructor. Alternatively, you could start with one of the pre-defined
+ fonts or use wxWindow::GetFont() and modify the font, e.g. by increasing
+ its size using MakeLarger() or changing its weight using MakeBold().
This class uses @ref overview_refcount "reference counting and copy-on-write"
internally so that assignments between two instances of this class are very
wxFont(const wxFont& font);
/**
- Creates a font object with the specified attributes.
+ Creates a font object using the specified font description.
+
+ This is the preferred way to create font objects as using this ctor
+ results in more readable code and it is also extensible, e.g. it could
+ continue to be used if support for more font attributes is added in the
+ future. For example, this constructor provides the only way of creating
+ fonts with strike-through style.
+
+ Example of creating a font using this ctor:
+ @code
+ wxFont font(wxFontInfo(10).Bold().Underlined());
+ @endcode
+
+ @since 2.9.5
+ */
+ wxFont(const wxFontInfo& font);
+
+ /**
+ Creates a font object with the specified attributes and size in points.
+
+ Notice that the use of this constructor is often more verbose and less
+ readable than the use of constructor from wxFontInfo, e.g. the example
+ in that constructor documentation would need to be written as
+ @code
+ wxFont font(10, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL,
+ wxFONTWEIGHT_BOLD, true);
+ @endcode
+ which is longer and less clear.
@param pointSize
Size in points. See SetPointSize() for more info.
wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
/**
- Creates a font object with the specified attributes.
+ Creates a font object with the specified attributes and size in pixels.
+
+ Notice that the use of this constructor is often more verbose and less
+ readable than the use of constructor from wxFontInfo, consider using
+ that constructor instead.
@param pixelSize
Size in pixels. See SetPixelSize() for more info.
If @a fontdesc is invalid the font remains uninitialized, i.e. its IsOk() method
will return @false.
*/
- wxFont(const wxString& fontdesc);
+ wxFont(const wxString& nativeInfoString);
+
+ /**
+ Construct font from a native font info structure.
+ */
+ wxFont(const wxNativeFontInfo& nativeInfo);
/**
Destructor.
virtual wxString GetFaceName() const;
/**
- Gets the font family.
+ 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_UNKNOWN is returned.
+ underlying system, @c wxFONTFAMILY_DEFAULT is returned.
- Note that currently this function is rather unreliable (@c wxFONTFAMILY_UNKNOWN
- is returned in too many cases) and not particularly useful.
- Font families mostly make sense only for font creation; see SetFamily().
+ 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()
*/
/**
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.
/**
Returns a user-friendly string for this font object.
- Returned string is always non-empty.
+
+ 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.
*/
wxString GetNativeFontInfoUserDesc() const;
+ const wxNativeFontInfo *GetNativeFontInfo() const;
+
/**
Gets the point size.
*/
virtual bool GetUnderlined() const;
+ /**
+ Returns @true if the font is stricken-through, @false otherwise.
+
+ @see SetStrikethrough()
+
+ @since 2.9.4
+ */
+ virtual bool GetStrikethrough() const;
+
/**
Gets the font weight. See ::wxFontWeight for a list of valid weight identifiers.
/**
@name Similar fonts creation
- The functions in this section create a font similar to the given one
- but with its weight, style or size changed.
+ 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.
*/
//@{
/**
- Return a bold version of this font.
+ 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;
+
+ /**
+ Returns a larger version of this font.
+
+ 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.
+
+ 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()
+
+ @since 2.9.2
+ */
+ wxFont Underlined() const;
+
+ /**
+ Returns stricken-through version of this font.
+
+ Currently stricken-through fonts are only supported in wxMSW and wxGTK.
+
+ @see MakeStrikethrough()
+
+ @since 2.9.4
+ */
+ wxFont Strikethrough() const;
+
+ /**
+ Changes this font to be bold.
+
+ @see Bold()
+
+ @since 2.9.1
+ */
+ wxFont& MakeBold();
+
+ /**
+ Changes this font to be italic.
+
+ @see Italic()
+
+ @since 2.9.1
*/
- wxFont MakeBold() const;
+ wxFont& MakeItalic();
/**
- Return an italic version of this font.
+ 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.
+
+ @see Larger(), MakeSmaller(), Scale()
+
+ @since 2.9.1
*/
- wxFont MakeItalic() const;
+ wxFont& MakeLarger();
/**
- Return a larger version of this font.
+ 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.
- The font size is multiplied by CSS specification inspired factor of @c
- 1.2.
+ @see Smaller(), MakeLarger(), Scale()
- @see MakeSmaller(), Scale()
+ @since 2.9.1
*/
- wxFont MakeLarger() const;
+ wxFont& MakeSmaller();
/**
- Return a smaller version of this font.
+ Changes this font to be underlined.
- The font size is divided by CSS specification inspired factor of @c
- 1.2.
+ @see Underlined()
- @see MakeLarger(), Scale()
+ @since 2.9.2
*/
- wxFont MakeSmaller() const;
+ wxFont& MakeUnderlined();
/**
- Return a scaled version of this font.
+ Changes this font to be stricken-through.
+
+ Currently stricken-through fonts are only supported in wxMSW and wxGTK.
+
+ @see Strikethrough()
+
+ @since 2.9.4
+ */
+ wxFont& MakeStrikethrough();
+
+ /**
+ 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) const;
+ wxFont& Scale(float x);
+
+ /**
+ 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;
//@}
@beginTable
@hdr3col{platform, generic syntax, example}
- @row3col{wxGTK2, <tt>[FACE-NAME] [bold] [oblique|italic] [POINTSIZE]</tt>, Monospace bold 10}
+ @row3col{wxGTK2, <tt>[underlined] [strikethrough] [FACE-NAME] [bold] [oblique|italic] [POINTSIZE]</tt>, Monospace bold 10}
@row3col{wxMSW, <tt>[light|bold] [italic] [FACE-NAME] [POINTSIZE] [ENCODING]</tt>, Tahoma 10 WINDOWS-1252}
@endTable
For more detailed information about the allowed syntaxes you can look at the
documentation of the native API used for font-rendering
- (e.g. @c pango_font_description_from_string on GTK).
+ (e.g. @c pango_font_description_from_string under GTK, although notice
+ that it doesn't support the "underlined" and "strikethrough" attributes
+ and so those are handled by wxWidgets itself).
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
*/
bool SetNativeFontInfoUserDesc(const wxString& info);
+ void SetNativeFontInfo(const wxNativeFontInfo& info);
+
/**
Sets the point size.
- The <em>point size</em> is defined as 1/72 of the anglo-Saxon inch
+ The <em>point size</em> 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
*/
virtual void SetStyle(wxFontStyle style);
+ /**
+ 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.
+
+ @since 2.9.2
+ */
+ void SetSymbolicSizeRelativeTo(wxFontSymbolicSize size, int base);
+
/**
Sets underlining.
*/
virtual void SetUnderlined(bool underlined);
+ /**
+ Sets strike-through attribute of the font.
+
+ Currently stricken-through fonts are only supported in wxMSW and wxGTK.
+
+ @param strikethrough
+ @true to add strike-through style, @false to remove it.
+
+ @see GetStrikethrough()
+
+ @since 2.9.4
+ */
+ virtual void SetStrikethrough(bool strikethrough);
+
/**
Sets the font weight.
This function takes the same parameters as the relative
@ref wxFont::wxFont "wxFont constructor" and returns a new font
object allocated on the heap.
+
+ Their use is discouraged, use wxFont constructor from wxFontInfo
+ instead.
*/
static wxFont* New(int pointSize, wxFontFamily family, wxFontStyle style,
wxFontWeight weight,
int flags = wxFONTFLAG_DEFAULT,
const wxString& faceName = wxEmptyString,
wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
+
+
+ static wxFont *New(const wxNativeFontInfo& nativeInfo);
+ static wxFont *New(const wxString& nativeInfoString);
+
//@}
};
@see wxSystemSettings
*/
-wxFont wxNORMAL_FONT;
+wxFont* wxNORMAL_FONT;
/**
A font using the @c wxFONTFAMILY_SWISS family and 2 points smaller than
::wxNORMAL_FONT.
*/
-wxFont wxSMALL_FONT;
+wxFont* wxSMALL_FONT;
/**
A font using the @c wxFONTFAMILY_ROMAN family and @c wxFONTSTYLE_ITALIC style and
of the same size of ::wxNORMAL_FONT.
*/
-wxFont wxITALIC_FONT;
+wxFont* wxITALIC_FONT;
/**
A font identic to ::wxNORMAL_FONT except for the family used which is
@c wxFONTFAMILY_SWISS.
*/
-wxFont wxSWISS_FONT;
+wxFont* wxSWISS_FONT;
/**
@see wxFont
*/
-class wxFontList : public wxList
+class wxFontList
{
public:
/**
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