Fixed toolbar crash for MinGW/Cygwin

[wxWidgets.git] / src / msw / fontenum.cpp

diff --git a/src/msw/fontenum.cpp b/src/msw/fontenum.cpp
index 5674825c1bc8a264c444b6cd2e376d11014a7f62..80ce3c606e6415059843c7a7dd0453802db34dba 100644 (file)
--- a/src/msw/fontenum.cpp
+++ b/src/msw/fontenum.cpp
@@ -28,10 +28,13 @@
   #pragma hdrstop
 #endif
 
+#if wxUSE_FONTMAP
+
 #ifndef WX_PRECOMP
   #include "wx/font.h"
 #endif
 
+#include "wx/fontutil.h"
 #include "wx/fontenum.h"
 #include "wx/fontmap.h"
 
@@ -41,15 +44,21 @@
 // private classes
 // ----------------------------------------------------------------------------
 
+// the helper class which calls ::EnumFontFamilies() and whose OnFont() is
+// called from the callback passed to this function and, in its turn, calls the
+// appropariate wxFontEnumerator method
 class wxFontEnumeratorHelper
 {
 public:
     wxFontEnumeratorHelper(wxFontEnumerator *fontEnum);
 
     // control what exactly are we enumerating
+        // we enumerate fonts with given enocding
     bool SetEncoding(wxFontEncoding encoding);
-    void SetFixedOnly(bool fixedOnly)
-        { m_fixedOnly = fixedOnly; }
+        // we enumerate fixed-width fonts
+    void SetFixedOnly(bool fixedOnly) { m_fixedOnly = fixedOnly; }
+        // we enumerate the encodings available in this family
+    void SetFamily(const wxString& family);
 
     // call to start enumeration
     void DoEnumerate();
@@ -67,16 +76,30 @@ private:
     // if not empty, enum only the fonts with this facename
     wxString m_facename;
 
+    // if not empty, enum only the fonts in this family
+    wxString m_family;
+
     // if TRUE, enum only fixed fonts
     bool m_fixedOnly;
+
+    // if TRUE, we enumerate the encodings, not fonts
+    bool m_enumEncodings;
+
+    // the list of charsets we already found while enumerating charsets
+    wxArrayInt m_charsets;
+
+    // the list of facenames we already found while enumerating facenames
+    wxArrayString m_facenames;
 };
 
 // ----------------------------------------------------------------------------
 // private functions
 // ----------------------------------------------------------------------------
 
+#ifndef __WXMICROWIN__
 int CALLBACK wxFontEnumeratorProc(LPLOGFONT lplf, LPTEXTMETRIC lptm,
                                   DWORD dwStyle, LONG lParam);
+#endif
 
 // ============================================================================
 // implementation
@@ -89,35 +112,53 @@ int CALLBACK wxFontEnumeratorProc(LPLOGFONT lplf, LPTEXTMETRIC lptm,
 wxFontEnumeratorHelper::wxFontEnumeratorHelper(wxFontEnumerator *fontEnum)
 {
     m_fontEnum = fontEnum;
-    m_charset = -1;
+    m_charset = DEFAULT_CHARSET;
     m_fixedOnly = FALSE;
+    m_enumEncodings = FALSE;
+}
+
+void wxFontEnumeratorHelper::SetFamily(const wxString& family)
+{
+    m_enumEncodings = TRUE;
+    m_family = family;
 }
 
 bool wxFontEnumeratorHelper::SetEncoding(wxFontEncoding encoding)
 {
-    wxNativeEncodingInfo info;
-    if ( !wxGetNativeFontEncoding(encoding, &info) )
+    if ( encoding != wxFONTENCODING_SYSTEM )
     {
-        if ( !wxTheFontMapper->GetAltForEncoding(encoding, &info) )
+        wxNativeEncodingInfo info;
+        if ( !wxGetNativeFontEncoding(encoding, &info) )
         {
-            // no such encodings at all
-            return FALSE;
+#if wxUSE_FONTMAP
+            if ( !wxTheFontMapper->GetAltForEncoding(encoding, &info) )
+#endif // wxUSE_FONTMAP
+            {
+                // no such encodings at all
+                return FALSE;
+            }
         }
+
+        m_charset = info.charset;
+        m_facename = info.facename;
     }
-    m_charset = info.charset;
-    m_facename = info.facename;
 
     return TRUE;
 }
 
-#ifdef __GNUWIN32_OLD__
-    #define wxFONTENUMPROC int(*)(ENUMLOGFONTEX *, NEWTEXTMETRICEX*, int, LPARAM)
+#if defined(__GNUWIN32__) && !defined(__CYGWIN10__)
+    #if wxUSE_NORLANDER_HEADERS
+        #define wxFONTENUMPROC int(*)(const LOGFONT *, const TEXTMETRIC *, long unsigned int, LPARAM)
+    #else
+        #define wxFONTENUMPROC int(*)(ENUMLOGFONTEX *, NEWTEXTMETRICEX*, int, LPARAM)
+    #endif
 #else
     #define wxFONTENUMPROC FONTENUMPROC
 #endif
 
 void wxFontEnumeratorHelper::DoEnumerate()
 {
+#ifndef __WXMICROWIN__
     HDC hDC = ::GetDC(NULL);
 
 #ifdef __WIN32__
@@ -138,11 +179,31 @@ void wxFontEnumeratorHelper::DoEnumerate()
 #endif // Win32/16
 
     ::ReleaseDC(NULL, hDC);
+#endif
 }
 
 bool wxFontEnumeratorHelper::OnFont(const LPLOGFONT lf,
                                     const LPTEXTMETRIC tm) const
 {
+    if ( m_enumEncodings )
+    {
+        // is this a new charset?
+        int cs = lf->lfCharSet;
+        if ( m_charsets.Index(cs) == wxNOT_FOUND )
+        {
+            wxConstCast(this, wxFontEnumeratorHelper)->m_charsets.Add(cs);
+
+            wxFontEncoding enc = wxGetFontEncFromCharSet(cs);
+            return m_fontEnum->OnFontEncoding(lf->lfFaceName,
+                                              wxFontMapper::GetEncodingName(enc));
+        }
+        else
+        {
+            // continue enumeration
+            return TRUE;
+        }
+    }
+
     if ( m_fixedOnly )
     {
         // check that it's a fixed pitch font (there is *no* error here, the
@@ -154,7 +215,7 @@ bool wxFontEnumeratorHelper::OnFont(const LPLOGFONT lf,
         }
     }
 
-    if ( m_charset != -1 )
+    if ( m_charset != DEFAULT_CHARSET )
     {
         // check that we have the right encoding
         if ( lf->lfCharSet != m_charset )
@@ -162,6 +223,20 @@ bool wxFontEnumeratorHelper::OnFont(const LPLOGFONT lf,
             return TRUE;
         }
     }
+    else // enumerating fonts in all charsets
+    {
+        // we can get the same facename twice or more in this case because it
+        // may exist in several charsets but we only want to return one copy of
+        // it (note that this can't happen for m_charset != DEFAULT_CHARSET)
+        if ( m_facenames.Index(lf->lfFaceName) != wxNOT_FOUND )
+        {
+            // continue enumeration
+            return TRUE;
+        }
+
+        wxConstCast(this, wxFontEnumeratorHelper)->
+            m_facenames.Add(lf->lfFaceName);
+    }
 
     return m_fontEnum->OnFacename(lf->lfFaceName);
 }
@@ -187,7 +262,9 @@ bool wxFontEnumerator::EnumerateFacenames(wxFontEncoding encoding,
 
 bool wxFontEnumerator::EnumerateEncodings(const wxString& family)
 {
-    wxFAIL_MSG(wxT("TODO"));
+    wxFontEnumeratorHelper fe(this);
+    fe.SetFamily(family);
+    fe.DoEnumerate();
 
     return TRUE;
 }
@@ -196,18 +273,26 @@ bool wxFontEnumerator::EnumerateEncodings(const wxString& family)
 // Windows callbacks
 // ----------------------------------------------------------------------------
 
+#ifndef __WXMICROWIN__
 int CALLBACK wxFontEnumeratorProc(LPLOGFONT lplf, LPTEXTMETRIC lptm,
-                                  DWORD dwStyle, LONG lParam)
+                                  DWORD WXUNUSED(dwStyle), LONG lParam)
 {
+
+    // we used to process TrueType fonts only, but there doesn't seem to be any
+    // reasons to restrict ourselves to them here
+#if 0
     // Get rid of any fonts that we don't want...
     if ( dwStyle != TRUETYPE_FONTTYPE )
     {
         // continue enumeration
         return TRUE;
     }
+#endif // 0
 
     wxFontEnumeratorHelper *fontEnum = (wxFontEnumeratorHelper *)lParam;
 
     return fontEnum->OnFont(lplf, lptm);
 }
+#endif
 
+#endif // wxUSE_FONTMAP