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d8cde57b 1///////////////////////////////////////////////////////////////////////////////
48a1108e 2// Name: src/os2/fontenum.cpp
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3// Purpose: wxFontEnumerator class for Windows
4// Author: Julian Smart
5// Modified by: David Webster to add support for font encodings
6// Created: 01/03/00
7// RCS-ID: $Id$
8// Copyright: (c) Julian Smart
65571936 9// Licence: wxWindows licence
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10///////////////////////////////////////////////////////////////////////////////
11
12// ============================================================================
13// declarations
14// ============================================================================
15
16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
20// For compilers that support precompilation, includes "wx.h".
21#include "wx/wxprec.h"
22
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23#if wxUSE_FONTMAP
24
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25#include "wx/fontenum.h"
26
d8cde57b 27#ifndef WX_PRECOMP
48a1108e 28 #include "wx/font.h"
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29#endif
30
d8cde57b 31#include "wx/fontmap.h"
bd6685b3 32#include "wx/encinfo.h"
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33
34#include "wx/os2/private.h"
35
36// ----------------------------------------------------------------------------
37// private classes
38// ----------------------------------------------------------------------------
39
40class wxFontEnumeratorHelper
41{
42public:
43 wxFontEnumeratorHelper(wxFontEnumerator *fontEnum);
44
45 // control what exactly are we enumerating
46 bool SetEncoding(wxFontEncoding encoding);
47 void SetFixedOnly(bool fixedOnly)
48 { m_fixedOnly = fixedOnly; }
49
50 // call to start enumeration
51 void DoEnumerate();
52
53 // called by our font enumeration proc
54 bool OnFont(/*const LPLOGFONT lf, const LPTEXTMETRIC tm*/) const;
55
56private:
57 // the object we forward calls to OnFont() to
58 wxFontEnumerator *m_fontEnum;
59
60 // if != -1, enum only fonts which have this encoding
61 int m_charset;
62
63 // if not empty, enum only the fonts with this facename
64 wxString m_facename;
65
6670f564 66 // if true, enum only fixed fonts
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67 bool m_fixedOnly;
68};
69
70// ----------------------------------------------------------------------------
71// private functions
72// ----------------------------------------------------------------------------
73
74// TODO:
75/*
76int CALLBACK wxFontEnumeratorProc(LPLOGFONT lplf, LPTEXTMETRIC lptm,
77 DWORD dwStyle, LONG lParam);
78*/
79
80// ============================================================================
81// implementation
82// ============================================================================
83
84// ----------------------------------------------------------------------------
85// wxFontEnumeratorHelper
86// ----------------------------------------------------------------------------
87
88wxFontEnumeratorHelper::wxFontEnumeratorHelper(wxFontEnumerator *fontEnum)
89{
90 m_fontEnum = fontEnum;
91 m_charset = -1;
92 m_fixedOnly = FALSE;
93}
94
95bool wxFontEnumeratorHelper::SetEncoding(wxFontEncoding encoding)
96{
97 wxNativeEncodingInfo info;
98 if ( !wxGetNativeFontEncoding(encoding, &info) )
99 {
142b3bc2 100 if ( !wxFontMapper::Get()->GetAltForEncoding(encoding, &info) )
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101 {
102 // no such encodings at all
103 return FALSE;
104 }
105 }
106 m_charset = info.charset;
107 m_facename = info.facename;
108
6670f564 109 return true;
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110}
111
112#define wxFONTENUMPROC FONTENUMPROC
113
114void wxFontEnumeratorHelper::DoEnumerate()
115{
116 // TODO:
117 /*
118 HDC hDC = ::GetDC(NULL);
119
120#ifdef __WIN32__
121 LOGFONT lf;
122 lf.lfCharSet = m_charset;
123 wxStrncpy(lf.lfFaceName, m_facename, WXSIZEOF(lf.lfFaceName));
124 lf.lfPitchAndFamily = 0;
125 ::EnumFontFamiliesEx(hDC, &lf, (wxFONTENUMPROC)wxFontEnumeratorProc,
126 (LPARAM)this, 0) ;
127#else // Win16
128 ::EnumFonts(hDC, (LPTSTR)NULL, (FONTENUMPROC)wxFontEnumeratorProc,
129 #ifdef STRICT
130 (LPARAM)
131 #else
132 (LPSTR)
133 #endif
134 this);
135#endif // Win32/16
136
137 ::ReleaseDC(NULL, hDC);
138 */
139}
140
141bool wxFontEnumeratorHelper::OnFont(/*const LPLOGFONT lf,
142 const LPTEXTMETRIC tm */) const
143{
144 // TODO:
145 /*
146 if ( m_fixedOnly )
147 {
148 // check that it's a fixed pitch font (there is *no* error here, the
149 // flag name is misleading!)
150 if ( tm->tmPitchAndFamily & TMPF_FIXED_PITCH )
151 {
152 // not a fixed pitch font
6670f564 153 return true;
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154 }
155 }
156
157 if ( m_charset != -1 )
158 {
159 // check that we have the right encoding
160 if ( lf->lfCharSet != m_charset )
161 {
6670f564 162 return true;
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163 }
164 }
165
166 return m_fontEnum->OnFacename(lf->lfFaceName);
167 */
6670f564 168 return true;
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169}
170
171// ----------------------------------------------------------------------------
172// wxFontEnumerator
173// ----------------------------------------------------------------------------
174
175bool wxFontEnumerator::EnumerateFacenames(wxFontEncoding encoding,
176 bool fixedWidthOnly)
177{
178 wxFontEnumeratorHelper fe(this);
179 if ( fe.SetEncoding(encoding) )
180 {
181 fe.SetFixedOnly(fixedWidthOnly);
182
183 fe.DoEnumerate();
184 }
185 // else: no such fonts, unknown encoding
186
6670f564 187 return true;
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188}
189
6670f564 190bool wxFontEnumerator::EnumerateEncodings(const wxString& WXUNUSED(family))
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191{
192 wxFAIL_MSG(wxT("TODO"));
193
6670f564 194 return true;
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195}
196
197// ----------------------------------------------------------------------------
198// Windows callbacks
199// ----------------------------------------------------------------------------
200
201// TODO:
202/*
203int CALLBACK wxFontEnumeratorProc(LPLOGFONT lplf, LPTEXTMETRIC lptm,
204 DWORD dwStyle, LONG lParam)
205{
206 // Get rid of any fonts that we don't want...
207 if ( dwStyle != TRUETYPE_FONTTYPE )
208 {
209 // continue enumeration
210 return TRUE;
211 }
212
213 wxFontEnumeratorHelper *fontEnum = (wxFontEnumeratorHelper *)lParam;
214
215 return fontEnum->OnFont(lplf, lptm);
216}
217*/
218
19193a2c 219#endif // wxUSE_FONTMAP