include/wx/motif/font.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/motif/font.h
   3 // Purpose:     wxFont class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_FONT_H_
  13 #define _WX_FONT_H_
  14
  15 #if __WXMOTIF20__ && !__WXLESSTIF__
  16     #define wxMOTIF_NEW_FONT_HANDLING 1
  17     #define wxMOTIF_USE_RENDER_TABLE 1
  18 #else
  19     #define wxMOTIF_NEW_FONT_HANDLING 0
  20     #define wxMOTIF_USE_RENDER_TABLE 0
  21 #endif
  22
  23 class wxXFont;
  24
  25 // Font
  26 class WXDLLIMPEXP_CORE wxFont : public wxFontBase
  27 {
  28 public:
  29     // ctors and such
  30     wxFont() { }
  31
  32     wxFont(int size,
  33         int family,
  34         int style,
  35         int weight,
  36         bool underlined = false,
  37         const wxString& face = wxEmptyString,
  38         wxFontEncoding encoding = wxFONTENCODING_DEFAULT)
  39     {
  40         (void)Create(size, family, style, weight, underlined, face, encoding);
  41     }
  42
  43     wxFont(const wxNativeFontInfo& info);
  44
  45     bool Create(int size,
  46         int family,
  47         int style,
  48         int weight,
  49         bool underlined = false,
  50         const wxString& face = wxEmptyString,
  51         wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
  52
  53     // wxMOTIF-specific
  54     bool Create(const wxString& fontname,
  55         wxFontEncoding fontenc = wxFONTENCODING_DEFAULT);
  56     bool Create(const wxNativeFontInfo& fontinfo);
  57
  58     virtual ~wxFont();
  59
  60     // implement base class pure virtuals
  61     virtual int GetPointSize() const;
  62     virtual int GetFamily() const;
  63     virtual int GetStyle() const;
  64     virtual int GetWeight() const;
  65     virtual bool GetUnderlined() const;
  66     virtual wxString GetFaceName() const;
  67     virtual wxFontEncoding GetEncoding() const;
  68     virtual const wxNativeFontInfo *GetNativeFontInfo() const;
  69
  70     virtual void SetPointSize(int pointSize);
  71     virtual void SetFamily(int family);
  72     virtual void SetStyle(int style);
  73     virtual void SetWeight(int weight);
  74     virtual bool SetFaceName(const wxString& faceName);
  75     virtual void SetUnderlined(bool underlined);
  76     virtual void SetEncoding(wxFontEncoding encoding);
  77
  78     // Implementation
  79
  80     // Find an existing, or create a new, XFontStruct
  81     // based on this wxFont and the given scale. Append the
  82     // font to list in the private data for future reference.
  83
  84     // TODO This is a fairly basic implementation, that doesn't
  85     // allow for different facenames, and also doesn't do a mapping
  86     // between 'standard' facenames (e.g. Arial, Helvetica, Times Roman etc.)
  87     // and the fonts that are available on a particular system.
  88     // Maybe we need to scan the user's machine to build up a profile
  89     // of the fonts and a mapping file.
  90
  91     // Return font struct, and optionally the Motif font list
  92     wxXFont *GetInternalFont(double scale = 1.0,
  93         WXDisplay* display = NULL) const;
  94
  95     // These two are helper functions for convenient access of the above.
  96 #if wxMOTIF_NEW_FONT_HANDLING
  97     WXFontSet GetFontSet(double scale, WXDisplay* display = NULL) const;
  98 #else // if !wxMOTIF_NEW_FONT_HANDLING
  99     WXFontStructPtr GetFontStruct(double scale = 1.0,
 100         WXDisplay* display = NULL) const;
 101 #endif // wxMOTIF_NEW_FONT_HANDLING
 102 #if wxMOTIF_USE_RENDER_TABLE
 103     WXRenderTable GetRenderTable(WXDisplay* display) const;
 104 #else // if !wxMOTIF_USE_RENDER_TABLE
 105     WXFontList GetFontList(double scale = 1.0,
 106         WXDisplay* display = NULL) const;
 107 #endif // wxMOTIF_USE_RENDER_TABLE
 108     // returns either a XmFontList or XmRenderTable, depending
 109     // on Motif version
 110     WXFontType GetFontType(WXDisplay* display) const;
 111     // like the function above but does a copy for XmFontList
 112     WXFontType GetFontTypeC(WXDisplay* display) const;
 113     static WXString GetFontTag();
 114 protected:
 115     virtual void DoSetNativeFontInfo( const wxNativeFontInfo& info );
 116
 117     void Unshare();
 118
 119 private:
 120     DECLARE_DYNAMIC_CLASS(wxFont)
 121 };
 122
 123 #endif
 124 // _WX_FONT_H_