X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6e7d2550cecf6c13b6f76e7e43da93744ad773b8..38534f596974042130716a26276e9564b0b72295:/interface/wx/font.h

diff --git a/interface/wx/font.h b/interface/wx/font.h
index f702fdb665..6fe2e6eeb5 100644
--- a/interface/wx/font.h
+++ b/interface/wx/font.h
@@ -3,7 +3,7 @@
 // Purpose:     interface of wxFont
 // Author:      wxWidgets team
 // RCS-ID:      $Id$
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 
@@ -36,11 +36,10 @@ enum wxFontFamily
     /// 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
 };
 
 /**
@@ -72,6 +71,27 @@ enum wxFontWeight
     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.
 */
@@ -92,8 +112,10 @@ enum wxFontFlag
     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
@@ -169,6 +191,8 @@ enum wxFontEncoding
     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
@@ -237,23 +261,164 @@ enum wxFontEncoding
     /// (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
@@ -287,7 +452,34 @@ public:
     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.
@@ -333,7 +525,11 @@ public:
            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.
@@ -385,7 +581,12 @@ public:
         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.
@@ -425,16 +626,17 @@ public:
     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()
     */
@@ -442,7 +644,9 @@ public:
 
     /**
         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.
@@ -453,7 +657,9 @@ public:
 
     /**
         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.
@@ -465,6 +671,8 @@ public:
     */
     wxString GetNativeFontInfoUserDesc() const;
 
+    const wxNativeFontInfo *GetNativeFontInfo() const;
+
     /**
         Gets the point size.
 
@@ -497,6 +705,15 @@ public:
     */
     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.
 
@@ -533,7 +750,7 @@ public:
     //@{
 
     /**
-        Return a bold version of this font.
+        Returns a bold version of this font.
 
         @see MakeBold()
 
@@ -542,7 +759,7 @@ public:
     wxFont Bold() const;
 
     /**
-        Return an italic version of this font.
+        Returns an italic version of this font.
 
         @see MakeItalic()
 
@@ -551,17 +768,49 @@ public:
     wxFont Italic() const;
 
     /**
-        Return a larger version of this font.
+        Returns a larger version of this font.
 
-        The font size is multiplied by CSS specification inspired factor of @c
-        1.2.
+        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()
+        @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.
 
@@ -583,8 +832,8 @@ public:
     /**
         Changes this font to be larger.
 
-        The font size is multiplied by CSS specification inspired factor of @c
-        1.2.
+        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()
 
@@ -593,17 +842,37 @@ public:
     wxFont& MakeLarger();
 
     /**
-        Return a smaller version of this font.
+        Changes this font to be smaller.
 
-        The font size is divided by CSS specification inspired factor of @c
-        1.2.
+        The font size is divided by @c 1.2, the factor of @c 1.2 being
+        inspired by the W3C CSS specification.
 
-        @see MakeLarger(), Scale(), Smaller()
+        @see Smaller(), MakeLarger(), Scale()
 
         @since 2.9.1
      */
     wxFont& MakeSmaller();
 
+    /**
+        Changes this font to be underlined.
+
+        @see Underlined()
+
+        @since 2.9.2
+     */
+    wxFont& MakeUnderlined();
+
+    /**
+        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.
 
@@ -617,7 +886,7 @@ public:
     wxFont& Scale(float x);
 
     /**
-        Return a scaled version of this 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).
@@ -628,18 +897,6 @@ public:
      */
     wxFont Scaled(float x) const;
 
-    /**
-        Return a smaller version of this font.
-
-        The font size is divided by CSS specification inspired factor of @c
-        1.2.
-
-        @see Larger(), MakeSmaller(), Scaled()
-
-        @since 2.9.1
-     */
-    wxFont Smaller() const;
-
     //@}
 
     /**
@@ -715,7 +972,7 @@ public:
 
         @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
 
@@ -723,7 +980,9 @@ public:
 
         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
@@ -735,10 +994,12 @@ public:
     */
     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
@@ -773,6 +1034,28 @@ public:
     */
     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.
 
@@ -783,6 +1066,20 @@ public:
     */
     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.
 
@@ -839,6 +1136,9 @@ public:
         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,
@@ -861,6 +1161,11 @@ public:
                        int flags = wxFONTFLAG_DEFAULT,
                        const wxString& faceName = wxEmptyString,
                        wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
+
+    
+    static wxFont *New(const wxNativeFontInfo& nativeInfo);
+    static wxFont *New(const wxString& nativeInfoString);
+
     //@}
 };
 
@@ -875,25 +1180,25 @@ wxFont wxNullFont;
 
     @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;
 
 
 /**
@@ -915,7 +1220,7 @@ wxFont wxSWISS_FONT;
 
     @see wxFont
 */
-class wxFontList : public wxList
+class wxFontList
 {
 public:
     /**