added GetEncodingFromName(); documented it and rearranged the methods in alphaabetica...

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

diff --git a/src/unix/fontenum.cpp b/src/unix/fontenum.cpp
index d81c6742766e27e355c7fb30132fb0a15d74482a..94520acb8d1d4a6f730a85285bf0b26778a77728 100644 (file)
--- a/src/unix/fontenum.cpp
+++ b/src/unix/fontenum.cpp
@@ -17,18 +17,95 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma implementation "fontenum.h"
 #endif
 
-#include "wx/defs.h"
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
 #include "wx/dynarray.h"
 #include "wx/string.h"
+#include "wx/regex.h"
 #include "wx/utils.h"
-
+#include "wx/app.h"
+#include "wx/fontmap.h"
 #include "wx/fontenum.h"
+#include "wx/fontutil.h"
+#include "wx/encinfo.h"
+
+// ----------------------------------------------------------------------------
+// Pango
+// ----------------------------------------------------------------------------
+
+#if wxUSE_PANGO
+
+#include "pango/pango.h"
+
+#ifdef __WXGTK20__
+#include "gtk/gtk.h"
+extern GtkWidget *wxGetRootWindow();
+#endif
+
+static int
+cmp_families (const void *a, const void *b)
+{
+  const char *a_name = pango_font_family_get_name (*(PangoFontFamily **)a);
+  const char *b_name = pango_font_family_get_name (*(PangoFontFamily **)b);
+  
+  return g_utf8_collate (a_name, b_name);
+}
 
+// I admit I don't yet understand encodings with Pango
+bool wxFontEnumerator::EnumerateFacenames(wxFontEncoding encoding,
+                                          bool fixedWidthOnly)
+{
+    if ( fixedWidthOnly )
+    {
+        OnFacename( wxT("monospace") );
+    }
+    else
+    {
+        PangoFontFamily **families = NULL;
+        gint n_families = 0;
+        pango_context_list_families ( 
+#ifdef __WXGTK20__
+            gtk_widget_get_pango_context( wxGetRootWindow() ),
+#else
+            wxTheApp->GetPangoContext(),
+#endif
+            &families, &n_families );
+        qsort (families, n_families, sizeof (PangoFontFamily *), cmp_families);
+
+        for (int i=0; i<n_families; i++)
+        {
+            const gchar *name = pango_font_family_get_name( families[i] );
+            
+            wxString tmp( name, wxConvUTF8 );
+            OnFacename( tmp );
+        }
+    }
+    
+    return TRUE;
+}
+
+bool wxFontEnumerator::EnumerateEncodings(const wxString& family)
+{
+    return FALSE;
+}
+
+
+#else
+  // Pango
+
+#ifdef __VMS__ // Xlib.h for VMS is not (yet) compatible with C++
+               // The resulting warnings are switched off here
+#pragma message disable nosimpint
+#endif
 #include <X11/Xlib.h>
+#ifdef __VMS__
+#pragma message enable nosimpint
+#endif
 
 // ----------------------------------------------------------------------------
 // private functions
@@ -39,7 +116,7 @@ static char **CreateFontList(wxChar spacing, wxFontEncoding encoding,
                              int *nFonts);
 
 // extract all font families from the given font list and call our
-// OnFontFamily() for each of them
+// OnFacename() for each of them
 static bool ProcessFamiliesFromFontList(wxFontEnumerator *This,
                                         char **fonts,
                                         int nFonts);
@@ -57,16 +134,27 @@ static bool ProcessFamiliesFromFontList(wxFontEnumerator *This,
 // helpers
 // ----------------------------------------------------------------------------
 
+#if !wxUSE_NANOX
 static char **CreateFontList(wxChar spacing,
                              wxFontEncoding encoding,
                              int *nFonts)
 {
-    wxString xencoding, xregistry;
-    wxGetXFontEncoding(encoding, &xencoding, &xregistry);
+    wxNativeEncodingInfo info;
+    wxGetNativeFontEncoding(encoding, &info);
+
+#if wxUSE_FONTMAP
+    if ( !wxTestFontEncoding(info) )
+    {
+        // ask font mapper for a replacement
+        (void)wxFontMapper::Get()->GetAltForEncoding(encoding, &info);
+    }
+#endif // wxUSE_FONTMAP
 
     wxString pattern;
     pattern.Printf(wxT("-*-*-*-*-*-*-*-*-*-*-%c-*-%s-%s"),
-                   spacing, xregistry.c_str(), xencoding.c_str());
+                   spacing,
+                   info.xregistry.c_str(),
+                   info.xencoding.c_str());
 
     // get the list of all fonts
     return XListFonts((Display *)wxGetDisplay(), pattern.mb_str(), 32767, nFonts);
@@ -76,17 +164,25 @@ static bool ProcessFamiliesFromFontList(wxFontEnumerator *This,
                                         char **fonts,
                                         int nFonts)
 {
+#if wxUSE_REGEX
+    wxRegEx re(wxT("^(-[^-]*){14}$"), wxRE_NOSUB);
+#endif // wxUSE_REGEX
+
     // extract the list of (unique) font families
     wxSortedArrayString families;
     for ( int n = 0; n < nFonts; n++ )
     {
         char *font = fonts[n];
+#if wxUSE_REGEX
+        if ( !re.Matches(font) )
+#else // !wxUSE_REGEX
         if ( !wxString(font).Matches(wxT("-*-*-*-*-*-*-*-*-*-*-*-*-*-*")) )
+#endif // wxUSE_REGEX/!wxUSE_REGEX
         {
             // it's not a full font name (probably an alias)
             continue;
         }
-        
+
         char *dash = strchr(font + 1, '-');
         char *family = dash + 1;
         dash = strchr(family, '-');
@@ -95,7 +191,7 @@ static bool ProcessFamiliesFromFontList(wxFontEnumerator *This,
 
         if ( families.Index(fam) == wxNOT_FOUND )
         {
-            if ( !This->OnFontFamily(fam) )
+            if ( !This->OnFacename(fam) )
             {
                 // stop enumerating
                 return FALSE;
@@ -108,14 +204,19 @@ static bool ProcessFamiliesFromFontList(wxFontEnumerator *This,
 
     return TRUE;
 }
+#endif
+  // wxUSE_NANOX
 
 // ----------------------------------------------------------------------------
 // wxFontEnumerator
 // ----------------------------------------------------------------------------
 
-bool wxFontEnumerator::EnumerateFamilies(wxFontEncoding encoding,
-                                         bool fixedWidthOnly)
+bool wxFontEnumerator::EnumerateFacenames(wxFontEncoding encoding,
+                                          bool fixedWidthOnly)
 {
+#if wxUSE_NANOX
+    return FALSE;
+#else
     int nFonts;
     char **fonts;
 
@@ -159,12 +260,16 @@ bool wxFontEnumerator::EnumerateFamilies(wxFontEncoding encoding,
     (void)ProcessFamiliesFromFontList(this, fonts, nFonts);
 
     XFreeFontNames(fonts);
-
     return TRUE;
+#endif
+    // wxUSE_NANOX
 }
 
 bool wxFontEnumerator::EnumerateEncodings(const wxString& family)
 {
+#if wxUSE_NANOX
+    return FALSE;
+#else
     wxString pattern;
     pattern.Printf(wxT("-*-%s-*-*-*-*-*-*-*-*-*-*-*-*"),
                    family.IsEmpty() ? wxT("*") : family.c_str());
@@ -229,4 +334,9 @@ bool wxFontEnumerator::EnumerateEncodings(const wxString& family)
     XFreeFontNames(fonts);
 
     return TRUE;
+#endif
+    // wxUSE_NANOX
 }
+
+#endif
+   // __WXGTK20__