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 defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  16 #pragma interface "font.h"
  17 #endif
  18
  19 #if __WXMOTIF20__ && !__WXLESSTIF__
  20     #define wxMOTIF_NEW_FONT_HANDLING 0 // safe default, change to 1 to enable
  21 #else
  22     #define wxMOTIF_NEW_FONT_HANDLING 0
  23 #endif
  24
  25 class wxXFont;
  26
  27 // Font
  28 class WXDLLIMPEXP_CORE wxFont : public wxFontBase
  29 {
  30 public:
  31     // ctors and such
  32     wxFont() { Init(); }
  33     wxFont(const wxFont& font) { Init(); Ref(font); }
  34
  35     wxFont(int size,
  36         int family,
  37         int style,
  38         int weight,
  39         bool underlined = false,
  40         const wxString& face = wxEmptyString,
  41         wxFontEncoding encoding = wxFONTENCODING_DEFAULT)
  42     {
  43         Init();
  44
  45         (void)Create(size, family, style, weight, underlined, face, encoding);
  46     }
  47
  48     wxFont(const wxNativeFontInfo& info);
  49
  50     bool Create(int size,
  51         int family,
  52         int style,
  53         int weight,
  54         bool underlined = false,
  55         const wxString& face = wxEmptyString,
  56         wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
  57
  58     // wxMOTIF-specific
  59     bool Create(const wxString& fontname,
  60         wxFontEncoding fontenc = wxFONTENCODING_DEFAULT);
  61     bool Create(const wxNativeFontInfo& fontinfo);
  62
  63     virtual ~wxFont();
  64
  65     // assignment
  66     wxFont& operator=(const wxFont& font);
  67
  68     // implement base class pure virtuals
  69     virtual int GetPointSize() const;
  70     virtual int GetFamily() const;
  71     virtual int GetStyle() const;
  72     virtual int GetWeight() const;
  73     virtual bool GetUnderlined() const;
  74     virtual wxString GetFaceName() const;
  75     virtual wxFontEncoding GetEncoding() const;
  76     virtual const wxNativeFontInfo *GetNativeFontInfo() const;
  77
  78     virtual void SetPointSize(int pointSize);
  79     virtual void SetFamily(int family);
  80     virtual void SetStyle(int style);
  81     virtual void SetWeight(int weight);
  82     virtual void SetFaceName(const wxString& faceName);
  83     virtual void SetUnderlined(bool underlined);
  84     virtual void SetEncoding(wxFontEncoding encoding);
  85
  86     // Implementation
  87
  88     // Find an existing, or create a new, XFontStruct
  89     // based on this wxFont and the given scale. Append the
  90     // font to list in the private data for future reference.
  91
  92     // TODO This is a fairly basic implementation, that doesn't
  93     // allow for different facenames, and also doesn't do a mapping
  94     // between 'standard' facenames (e.g. Arial, Helvetica, Times Roman etc.)
  95     // and the fonts that are available on a particular system.
  96     // Maybe we need to scan the user's machine to build up a profile
  97     // of the fonts and a mapping file.
  98
  99     // Return font struct, and optionally the Motif font list
 100     wxXFont *GetInternalFont(double scale = 1.0,
 101         WXDisplay* display = NULL) const;
 102
 103     // These two are helper functions for convenient access of the above.
 104 #if !wxMOTIF_NEW_FONT_HANDLING
 105     WXFontStructPtr GetFontStruct(double scale = 1.0,
 106         WXDisplay* display = NULL) const;
 107     WXFontList GetFontList(double scale = 1.0,
 108         WXDisplay* display = NULL) const;
 109 #else
 110     WXFontSet GetFontSet(double scale, WXDisplay* display = NULL) const;
 111 #endif
 112 #if __WXMOTIF20__ // && !__WXLESSTIF__ for 2.7
 113     WXRenderTable GetRenderTable(WXDisplay* display) const;
 114 #endif
 115     // returns either a XmFontList or XmRenderTable, depending
 116     // on Motif version
 117     WXFontType GetFontType(WXDisplay* display) const;
 118     // like the function above but does a copy for XmFontList
 119     WXFontType GetFontTypeC(WXDisplay* display) const;
 120     static WXString GetFontTag();
 121 protected:
 122     virtual void DoSetNativeFontInfo( const wxNativeFontInfo& info );
 123
 124     // common part of all ctors
 125     void Init();
 126
 127     // VZ: IMHO, we don't need it at all...
 128     bool RealizeResource() { return true; }
 129     void Unshare();
 130
 131 private:
 132     DECLARE_DYNAMIC_CLASS(wxFont)
 133 };
 134
 135 #endif
 136 // _WX_FONT_H_