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() { Init(); }
  31     wxFont(const wxFont& font) { Init(); Ref(font); }
  32
  33     wxFont(int size,
  34         int family,
  35         int style,
  36         int weight,
  37         bool underlined = false,
  38         const wxString& face = wxEmptyString,
  39         wxFontEncoding encoding = wxFONTENCODING_DEFAULT)
  40     {
  41         Init();
  42
  43         (void)Create(size, family, style, weight, underlined, face, encoding);
  44     }
  45
  46     wxFont(const wxNativeFontInfo& info);
  47
  48     bool Create(int size,
  49         int family,
  50         int style,
  51         int weight,
  52         bool underlined = false,
  53         const wxString& face = wxEmptyString,
  54         wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
  55
  56     // wxMOTIF-specific
  57     bool Create(const wxString& fontname,
  58         wxFontEncoding fontenc = wxFONTENCODING_DEFAULT);
  59     bool Create(const wxNativeFontInfo& fontinfo);
  60
  61     virtual ~wxFont();
  62
  63     // assignment
  64     wxFont& operator=(const wxFont& font);
  65
  66     // implement base class pure virtuals
  67     virtual int GetPointSize() const;
  68     virtual int GetFamily() const;
  69     virtual int GetStyle() const;
  70     virtual int GetWeight() const;
  71     virtual bool GetUnderlined() const;
  72     virtual wxString GetFaceName() const;
  73     virtual wxFontEncoding GetEncoding() const;
  74     virtual const wxNativeFontInfo *GetNativeFontInfo() const;
  75
  76     virtual void SetPointSize(int pointSize);
  77     virtual void SetFamily(int family);
  78     virtual void SetStyle(int style);
  79     virtual void SetWeight(int weight);
  80     virtual void SetFaceName(const wxString& faceName);
  81     virtual void SetUnderlined(bool underlined);
  82     virtual void SetEncoding(wxFontEncoding encoding);
  83
  84     // Implementation
  85
  86     // Find an existing, or create a new, XFontStruct
  87     // based on this wxFont and the given scale. Append the
  88     // font to list in the private data for future reference.
  89
  90     // TODO This is a fairly basic implementation, that doesn't
  91     // allow for different facenames, and also doesn't do a mapping
  92     // between 'standard' facenames (e.g. Arial, Helvetica, Times Roman etc.)
  93     // and the fonts that are available on a particular system.
  94     // Maybe we need to scan the user's machine to build up a profile
  95     // of the fonts and a mapping file.
  96
  97     // Return font struct, and optionally the Motif font list
  98     wxXFont *GetInternalFont(double scale = 1.0,
  99         WXDisplay* display = NULL) const;
 100
 101     // These two are helper functions for convenient access of the above.
 102 #if wxMOTIF_NEW_FONT_HANDLING
 103     WXFontSet GetFontSet(double scale, WXDisplay* display = NULL) const;
 104 #else // if !wxMOTIF_NEW_FONT_HANDLING
 105     WXFontStructPtr GetFontStruct(double scale = 1.0,
 106         WXDisplay* display = NULL) const;
 107 #endif // wxMOTIF_NEW_FONT_HANDLING
 108 #if wxMOTIF_USE_RENDER_TABLE
 109     WXRenderTable GetRenderTable(WXDisplay* display) const;
 110 #else // if !wxMOTIF_USE_RENDER_TABLE
 111     WXFontList GetFontList(double scale = 1.0,
 112         WXDisplay* display = NULL) const;
 113 #endif // wxMOTIF_USE_RENDER_TABLE
 114     // returns either a XmFontList or XmRenderTable, depending
 115     // on Motif version
 116     WXFontType GetFontType(WXDisplay* display) const;
 117     // like the function above but does a copy for XmFontList
 118     WXFontType GetFontTypeC(WXDisplay* display) const;
 119     static WXString GetFontTag();
 120 protected:
 121     virtual void DoSetNativeFontInfo( const wxNativeFontInfo& info );
 122
 123     // common part of all ctors
 124     void Init();
 125
 126     void Unshare();
 127
 128 private:
 129     DECLARE_DYNAMIC_CLASS(wxFont)
 130 };
 131
 132 #endif
 133 // _WX_FONT_H_