include/wx/motif/font.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 0 // safe default, change to 1 to enable
  17 #else
  18     #define wxMOTIF_NEW_FONT_HANDLING 0
  19 #endif
  20
  21 class wxXFont;
  22
  23 // Font
  24 class WXDLLIMPEXP_CORE wxFont : public wxFontBase
  25 {
  26 public:
  27     // ctors and such
  28     wxFont() { Init(); }
  29     wxFont(const wxFont& font) { Init(); Ref(font); }
  30
  31     wxFont(int size,
  32         int family,
  33         int style,
  34         int weight,
  35         bool underlined = false,
  36         const wxString& face = wxEmptyString,
  37         wxFontEncoding encoding = wxFONTENCODING_DEFAULT)
  38     {
  39         Init();
  40
  41         (void)Create(size, family, style, weight, underlined, face, encoding);
  42     }
  43
  44     wxFont(const wxNativeFontInfo& info);
  45
  46     bool Create(int size,
  47         int family,
  48         int style,
  49         int weight,
  50         bool underlined = false,
  51         const wxString& face = wxEmptyString,
  52         wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
  53
  54     // wxMOTIF-specific
  55     bool Create(const wxString& fontname,
  56         wxFontEncoding fontenc = wxFONTENCODING_DEFAULT);
  57     bool Create(const wxNativeFontInfo& fontinfo);
  58
  59     virtual ~wxFont();
  60
  61     // assignment
  62     wxFont& operator=(const wxFont& font);
  63
  64     // implement base class pure virtuals
  65     virtual int GetPointSize() const;
  66     virtual int GetFamily() const;
  67     virtual int GetStyle() const;
  68     virtual int GetWeight() const;
  69     virtual bool GetUnderlined() const;
  70     virtual wxString GetFaceName() const;
  71     virtual wxFontEncoding GetEncoding() const;
  72     virtual const wxNativeFontInfo *GetNativeFontInfo() const;
  73
  74     virtual void SetPointSize(int pointSize);
  75     virtual void SetFamily(int family);
  76     virtual void SetStyle(int style);
  77     virtual void SetWeight(int weight);
  78     virtual void SetFaceName(const wxString& faceName);
  79     virtual void SetUnderlined(bool underlined);
  80     virtual void SetEncoding(wxFontEncoding encoding);
  81
  82     // Implementation
  83
  84     // Find an existing, or create a new, XFontStruct
  85     // based on this wxFont and the given scale. Append the
  86     // font to list in the private data for future reference.
  87
  88     // TODO This is a fairly basic implementation, that doesn't
  89     // allow for different facenames, and also doesn't do a mapping
  90     // between 'standard' facenames (e.g. Arial, Helvetica, Times Roman etc.)
  91     // and the fonts that are available on a particular system.
  92     // Maybe we need to scan the user's machine to build up a profile
  93     // of the fonts and a mapping file.
  94
  95     // Return font struct, and optionally the Motif font list
  96     wxXFont *GetInternalFont(double scale = 1.0,
  97         WXDisplay* display = NULL) const;
  98
  99     // These two are helper functions for convenient access of the above.
 100 #if !wxMOTIF_NEW_FONT_HANDLING
 101     WXFontStructPtr GetFontStruct(double scale = 1.0,
 102         WXDisplay* display = NULL) const;
 103     WXFontList GetFontList(double scale = 1.0,
 104         WXDisplay* display = NULL) const;
 105 #else
 106     WXFontSet GetFontSet(double scale, WXDisplay* display = NULL) const;
 107 #endif
 108 #if __WXMOTIF20__ // && !__WXLESSTIF__ for 2.7
 109     WXRenderTable GetRenderTable(WXDisplay* display) const;
 110 #endif
 111     // returns either a XmFontList or XmRenderTable, depending
 112     // on Motif version
 113     WXFontType GetFontType(WXDisplay* display) const;
 114     // like the function above but does a copy for XmFontList
 115     WXFontType GetFontTypeC(WXDisplay* display) const;
 116     static WXString GetFontTag();
 117 protected:
 118     virtual void DoSetNativeFontInfo( const wxNativeFontInfo& info );
 119
 120     // common part of all ctors
 121     void Init();
 122
 123     // VZ: IMHO, we don't need it at all...
 124     bool RealizeResource() { return true; }
 125     void Unshare();
 126
 127 private:
 128     DECLARE_DYNAMIC_CLASS(wxFont)
 129 };
 130
 131 #endif
 132 // _WX_FONT_H_