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1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: src/palmos/fontenum.cpp
3 // Purpose: wxFontEnumerator class for Palm OS
4 // Author: William Osborne - minimal working wxPalmOS port
5 // Modified by:
6 // Created: 10/13/04
7 // RCS-ID: $Id$
8 // Copyright: (c) William Osborne
9 // Licence: wxWindows licence
10 ///////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
21 #pragma implementation "fontenum.h"
22 #endif
23
24 // For compilers that support precompilation, includes "wx.h".
25 #include "wx/wxprec.h"
26
27 #ifdef __BORLANDC__
28 #pragma hdrstop
29 #endif
30
31 #if wxUSE_FONTMAP
32
33 #ifndef WX_PRECOMP
34 #include "wx/font.h"
35 #include "wx/encinfo.h"
36 #endif
37
38 #include "wx/palmos/private.h"
39
40 #include "wx/fontutil.h"
41 #include "wx/fontenum.h"
42 #include "wx/fontmap.h"
43
44 // ----------------------------------------------------------------------------
45 // private classes
46 // ----------------------------------------------------------------------------
47
48 // the helper class which calls ::EnumFontFamilies() and whose OnFont() is
49 // called from the callback passed to this function and, in its turn, calls the
50 // appropariate wxFontEnumerator method
51 class wxFontEnumeratorHelper
52 {
53 public:
54 wxFontEnumeratorHelper(wxFontEnumerator *fontEnum);
55
56 // control what exactly are we enumerating
57 // we enumerate fonts with given enocding
58 bool SetEncoding(wxFontEncoding encoding);
59 // we enumerate fixed-width fonts
60 void SetFixedOnly(bool fixedOnly) { m_fixedOnly = fixedOnly; }
61 // we enumerate the encodings available in this family
62 void SetFamily(const wxString& family);
63
64 // call to start enumeration
65 void DoEnumerate();
66
67 // called by our font enumeration proc
68 bool OnFont(const LPLOGFONT lf, const LPTEXTMETRIC tm) const;
69
70 private:
71 // the object we forward calls to OnFont() to
72 wxFontEnumerator *m_fontEnum;
73
74 // if != -1, enum only fonts which have this encoding
75 int m_charset;
76
77 // if not empty, enum only the fonts with this facename
78 wxString m_facename;
79
80 // if not empty, enum only the fonts in this family
81 wxString m_family;
82
83 // if TRUE, enum only fixed fonts
84 bool m_fixedOnly;
85
86 // if TRUE, we enumerate the encodings, not fonts
87 bool m_enumEncodings;
88
89 // the list of charsets we already found while enumerating charsets
90 wxArrayInt m_charsets;
91
92 // the list of facenames we already found while enumerating facenames
93 wxArrayString m_facenames;
94
95 DECLARE_NO_COPY_CLASS(wxFontEnumeratorHelper)
96 };
97
98 // ----------------------------------------------------------------------------
99 // private functions
100 // ----------------------------------------------------------------------------
101
102 #ifndef __WXMICROWIN__
103 int CALLBACK wxFontEnumeratorProc(LPLOGFONT lplf, LPTEXTMETRIC lptm,
104 DWORD dwStyle, LONG lParam);
105 #endif
106
107 // ============================================================================
108 // implementation
109 // ============================================================================
110
111 // ----------------------------------------------------------------------------
112 // wxFontEnumeratorHelper
113 // ----------------------------------------------------------------------------
114
115 wxFontEnumeratorHelper::wxFontEnumeratorHelper(wxFontEnumerator *fontEnum)
116 {
117 }
118
119 void wxFontEnumeratorHelper::SetFamily(const wxString& family)
120 {
121 }
122
123 bool wxFontEnumeratorHelper::SetEncoding(wxFontEncoding encoding)
124 {
125 return FALSE;
126 }
127
128 #define wxFONTENUMPROC FONTENUMPROC
129
130 void wxFontEnumeratorHelper::DoEnumerate()
131 {
132 }
133
134 bool wxFontEnumeratorHelper::OnFont(const LPLOGFONT lf,
135 const LPTEXTMETRIC tm) const
136 {
137 return false;
138 }
139
140 // ----------------------------------------------------------------------------
141 // wxFontEnumerator
142 // ----------------------------------------------------------------------------
143
144 bool wxFontEnumerator::EnumerateFacenames(wxFontEncoding encoding,
145 bool fixedWidthOnly)
146 {
147 return false;
148 }
149
150 bool wxFontEnumerator::EnumerateEncodings(const wxString& family)
151 {
152 return false;
153 }
154
155 #endif // wxUSE_FONTMAP