]> git.saurik.com Git - wxWidgets.git/blobdiff - src/unix/fontutil.cpp
wxColour source cleaning. Corrections to 'const unsigned char' within wxColour docs.
[wxWidgets.git] / src / unix / fontutil.cpp
index 08e33a21c1453a73022d5cf103c89d45c8f35026..84c7abec5d6f4c55661bcca7af629ba7714f0ce7 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        unix/fontutil.cpp
+// Name:        src/unix/fontutil.cpp
 // Purpose:     Font helper functions for X11 (GDK/X)
 // Author:      Vadim Zeitlin
 // Modified by:
 // headers
 // ----------------------------------------------------------------------------
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "fontutil.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -126,7 +122,7 @@ wxFontWeight wxNativeFontInfo::GetWeight() const
 
 bool wxNativeFontInfo::GetUnderlined() const
 {
-    return FALSE;
+    return false;
 }
 
 wxString wxNativeFontInfo::GetFaceName() const
@@ -138,43 +134,71 @@ wxString wxNativeFontInfo::GetFaceName() const
 
 wxFontFamily wxNativeFontInfo::GetFamily() const
 {
-#ifndef HAVE_PANGO_FONT_FAMILY_IS_MONOSPACE
-    if (g_ascii_strcasecmp( pango_font_description_get_family( description ), "monospace" ) == 0)
-        return wxFONTFAMILY_TELETYPE;
-#else
-
-    PangoFontFamily **families;
-    PangoFontFamily  *family;
-    int n_families;
-    pango_context_list_families(
+    wxFontFamily ret = wxFONTFAMILY_DEFAULT;
+    // note: not passing -1 as the 2nd parameter to g_ascii_strdown to work
+    // around a bug in the 64-bit glib shipped with solaris 10, -1 causes it
+    // to try to allocate 2^32 bytes.
+    const char *family_name = pango_font_description_get_family( description );
+    char *family_text = g_ascii_strdown( family_name, family_name ? strlen( family_name ) : 0 );
+    // Check for some common fonts, to salvage what we can from the current win32 centric wxFont API:
+    if (strncmp( family_text, "monospace", 9 ) == 0)
+        ret = wxFONTFAMILY_TELETYPE; // begins with "Monospace"
+    else if (strncmp( family_text, "courier", 7 ) == 0)
+        ret = wxFONTFAMILY_TELETYPE; // begins with "Courier"
+#if defined(__WXGTK24__) || defined(HAVE_PANGO_FONT_FAMILY_IS_MONOSPACE)
+    else
+#ifdef __WXGTK24__
+    if (!gtk_check_version(2,4,0))
+#endif
+    {
+        PangoFontFamily **families;
+        PangoFontFamily  *family = NULL;
+        int n_families;
+        pango_context_list_families(
 #ifdef __WXGTK20__
-            gtk_widget_get_pango_context( wxGetRootWindow() ),
+                gtk_widget_get_pango_context( wxGetRootWindow() ),
 #else
-            wxTheApp->GetPangoContext(),
+                wxTheApp->GetPangoContext(),
 #endif
-            &families, &n_families);
+                &families, &n_families);
 
-    for (int i = 0;i < n_families;++i)
-    {
-        if (g_ascii_strcasecmp(pango_font_family_get_name( families[i] ), pango_font_description_get_family( description )) == 0 )
+        for (int i = 0;i < n_families;++i)
         {
-            family = families[i];
-            break;
+            if (g_ascii_strcasecmp(pango_font_family_get_name( families[i] ), pango_font_description_get_family( description )) == 0 )
+            {
+                family = families[i];
+                break;
+            }
         }
-    }
 
-    g_free(families);
+        g_free(families);
 
-    wxASSERT_MSG( family, wxT("wxNativeFontInfo::GetFamily() - No appropriate PangoFontFamily found for ::description") );
+        // Some gtk+ systems might query for a non-existing font from wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT)
+        // on initialization, don't assert until wxSystemSettings::GetFont is checked for this - MR
+        // wxASSERT_MSG( family, wxT("wxNativeFontInfo::GetFamily() - No appropriate PangoFontFamily found for ::description") );
 
-    //BCI: Cache the wxFontFamily inside the class. Validate cache with
-    //BCI: g_ascii_strcasecmp(pango_font_description_get_family(description), pango_font_family_get_name(family)) == 0
+        //BCI: Cache the wxFontFamily inside the class. Validate cache with
+        //BCI: g_ascii_strcasecmp(pango_font_description_get_family(description), pango_font_family_get_name(family)) == 0
 
-    if (pango_font_family_is_monospace( family ))
-        return wxFONTFAMILY_TELETYPE;
-#endif // pango_font_family_is_monospace
+        if (family != NULL && pango_font_family_is_monospace( family ))
+            ret = wxFONTFAMILY_TELETYPE; // is deemed a monospace font by pango
+    }
+#endif // gtk24 || HAVE_PANGO_FONT_FAMILY_IS_MONOSPACE
+
+    if (ret == wxFONTFAMILY_DEFAULT)
+    {
+        if (strstr( family_text, "sans" ) != NULL) // checked before serif, so that "* Sans Serif" fonts are detected correctly
+            ret = wxFONTFAMILY_SWISS; // contains "Sans"
+        else if (strstr( family_text, "serif" ) != NULL)
+            ret = wxFONTFAMILY_ROMAN; // contains "Serif"
+        else if (strncmp( family_text, "times", 5 ) == 0)
+            ret = wxFONTFAMILY_ROMAN; // begins with "Times"
+        else if (strncmp( family_text, "old", 3 ) == 0)
+            ret = wxFONTFAMILY_DECORATIVE; // Begins with "Old" - "Old English", "Old Town"
+    }
 
-    return wxFONTFAMILY_SWISS;
+    free(family_text);
+    return ret;
 }
 
 wxFontEncoding wxNativeFontInfo::GetEncoding() const
@@ -183,19 +207,46 @@ wxFontEncoding wxNativeFontInfo::GetEncoding() const
 }
 
 
-void wxNativeFontInfo::SetPointSize(int WXUNUSED(pointsize))
+void wxNativeFontInfo::SetPointSize(int pointsize)
 {
-    wxFAIL_MSG( _T("not implemented") );
+    pango_font_description_set_size( description, pointsize * PANGO_SCALE );
 }
 
-void wxNativeFontInfo::SetStyle(wxFontStyle WXUNUSED(style))
+void wxNativeFontInfo::SetStyle(wxFontStyle style)
 {
-    wxFAIL_MSG( _T("not implemented") );
+    switch (style)
+    {
+        case wxFONTSTYLE_ITALIC:
+            pango_font_description_set_style( description, PANGO_STYLE_ITALIC );
+            break;
+        case wxFONTSTYLE_SLANT:
+            pango_font_description_set_style( description, PANGO_STYLE_OBLIQUE );
+            break;
+        default:
+            wxFAIL_MSG( _T("unknown font style") );
+            // fall through
+        case wxFONTSTYLE_NORMAL:
+            pango_font_description_set_style( description, PANGO_STYLE_NORMAL );
+            break;
+    }
 }
 
-void wxNativeFontInfo::SetWeight(wxFontWeight WXUNUSED(weight))
+void wxNativeFontInfo::SetWeight(wxFontWeight weight)
 {
-    wxFAIL_MSG( _T("not implemented") );
+    switch (weight)
+    {
+        case wxFONTWEIGHT_BOLD:
+            pango_font_description_set_weight(description, PANGO_WEIGHT_BOLD);
+            break;
+        case wxFONTWEIGHT_LIGHT:
+            pango_font_description_set_weight(description, PANGO_WEIGHT_LIGHT);
+            break;
+        default:
+            wxFAIL_MSG( _T("unknown font weight") );
+            // fall through
+        case wxFONTWEIGHT_NORMAL:
+            pango_font_description_set_weight(description, PANGO_WEIGHT_NORMAL);
+    }
 }
 
 void wxNativeFontInfo::SetUnderlined(bool WXUNUSED(underlined))
@@ -203,9 +254,9 @@ void wxNativeFontInfo::SetUnderlined(bool WXUNUSED(underlined))
     wxFAIL_MSG( _T("not implemented") );
 }
 
-void wxNativeFontInfo::SetFaceName(wxString WXUNUSED(facename))
+void wxNativeFontInfo::SetFaceName(const wxString& facename)
 {
-    wxFAIL_MSG( _T("not implemented") );
+    pango_font_description_set_family( description, wxGTK_CONV(facename) );
 }
 
 void wxNativeFontInfo::SetFamily(wxFontFamily WXUNUSED(family))
@@ -227,7 +278,7 @@ bool wxNativeFontInfo::FromString(const wxString& s)
 
     description = pango_font_description_from_string( wxGTK_CONV( s ) );
 
-    return TRUE;
+    return true;
 }
 
 wxString wxNativeFontInfo::ToString() const
@@ -255,7 +306,7 @@ wxString wxNativeFontInfo::ToUserString() const
 
 bool wxNativeEncodingInfo::FromString(const wxString& s)
 {
-    return FALSE;
+    return false;
 }
 
 wxString wxNativeEncodingInfo::ToString() const
@@ -265,7 +316,7 @@ wxString wxNativeEncodingInfo::ToString() const
 
 bool wxTestFontEncoding(const wxNativeEncodingInfo& info)
 {
-    return TRUE;
+    return true;
 }
 
 bool wxGetNativeFontEncoding(wxFontEncoding encoding,
@@ -380,28 +431,28 @@ bool wxNativeEncodingInfo::FromString(const wxString& s)
     wxString encid = tokenizer.GetNextToken();
     long enc;
     if ( !encid.ToLong(&enc) )
-        return FALSE;
+        return false;
     encoding = (wxFontEncoding)enc;
 
     xregistry = tokenizer.GetNextToken();
     if ( !xregistry )
-        return FALSE;
+        return false;
 
     xencoding = tokenizer.GetNextToken();
     if ( !xencoding )
-        return FALSE;
+        return false;
 
     // ok even if empty
     facename = tokenizer.GetNextToken();
 
-    return TRUE;
+    return true;
 }
 
 wxString wxNativeEncodingInfo::ToString() const
 {
     wxString s;
     s << (long)encoding << _T(';') << xregistry << _T(';') << xencoding;
-    if ( !!facename )
+    if ( !facename.empty() )
     {
         s << _T(';') << facename;
     }
@@ -415,7 +466,7 @@ wxString wxNativeEncodingInfo::ToString() const
 
 void wxNativeFontInfo::Init()
 {
-    m_isDefault = TRUE;
+    m_isDefault = true;
 }
 
 bool wxNativeFontInfo::FromString(const wxString& s)
@@ -425,13 +476,13 @@ bool wxNativeFontInfo::FromString(const wxString& s)
     // check the version
     wxString token = tokenizer.GetNextToken();
     if ( token != _T('0') )
-        return FALSE;
+        return false;
 
     xFontName = tokenizer.GetNextToken();
 
     // this should be the end
     if ( tokenizer.HasMoreTokens() )
-        return FALSE;
+        return false;
 
     return FromXFontName(xFontName);
 }
@@ -461,13 +512,13 @@ bool wxNativeFontInfo::HasElements() const
 
 wxString wxNativeFontInfo::GetXFontComponent(wxXLFDField field) const
 {
-    wxCHECK_MSG( field < wxXLFD_MAX, _T(""), _T("invalid XLFD field") );
+    wxCHECK_MSG( field < wxXLFD_MAX, wxEmptyString, _T("invalid XLFD field") );
 
     if ( !HasElements() )
     {
         // const_cast
         if ( !((wxNativeFontInfo *)this)->FromXFontName(xFontName) )
-            return _T("");
+            return wxEmptyString;
     }
 
     return fontElements[field];
@@ -480,7 +531,7 @@ bool wxNativeFontInfo::FromXFontName(const wxString& fontname)
 
     // skip the leading, usually empty field (font name registry)
     if ( !tokenizer.HasMoreTokens() )
-        return FALSE;
+        return false;
 
     (void)tokenizer.GetNextToken();
 
@@ -489,14 +540,14 @@ bool wxNativeFontInfo::FromXFontName(const wxString& fontname)
         if ( !tokenizer.HasMoreTokens() )
         {
             // not enough elements in the XLFD - or maybe an alias
-            return FALSE;
+            return false;
         }
 
         wxString field = tokenizer.GetNextToken();
         if ( !field.empty() && field != _T('*') )
         {
             // we're really initialized now
-            m_isDefault = FALSE;
+            m_isDefault = false;
         }
 
         fontElements[n] = field;
@@ -504,9 +555,9 @@ bool wxNativeFontInfo::FromXFontName(const wxString& fontname)
 
     // this should be all
     if ( tokenizer.HasMoreTokens() )
-        return FALSE;
+        return false;
 
-    return TRUE;
+    return true;
 }
 
 wxString wxNativeFontInfo::GetXFontName() const
@@ -564,7 +615,7 @@ void wxNativeFontInfo::SetXFontName(const wxString& xFontName_)
 
     xFontName = xFontName_;
 
-    m_isDefault = FALSE;
+    m_isDefault = false;
 }
 
 int wxNativeFontInfo::GetPointSize() const
@@ -617,7 +668,7 @@ wxFontWeight wxNativeFontInfo::GetWeight() const
 bool wxNativeFontInfo::GetUnderlined() const
 {
     // X fonts are never underlined
-    return FALSE;
+    return false;
 }
 
 wxString wxNativeFontInfo::GetFaceName() const
@@ -702,12 +753,12 @@ void wxNativeFontInfo::SetUnderlined(bool WXUNUSED(underlined))
     // can't do this under X
 }
 
-void wxNativeFontInfo::SetFaceName(wxString facename)
+void wxNativeFontInfo::SetFaceName(const wxString& facename)
 {
     SetXFontComponent(wxXLFD_FAMILY, facename);
 }
 
-void wxNativeFontInfo::SetFamily(wxFontFamily family)
+void wxNativeFontInfo::SetFamily(wxFontFamily WXUNUSED(family))
 {
     // wxFontFamily -> X foundry, anyone?
     wxFAIL_MSG( _T("not implemented") );
@@ -732,7 +783,7 @@ void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding)
 bool wxGetNativeFontEncoding(wxFontEncoding encoding,
                              wxNativeEncodingInfo *info)
 {
-    wxCHECK_MSG( info, FALSE, _T("bad pointer in wxGetNativeFontEncoding") );
+    wxCHECK_MSG( info, false, _T("bad pointer in wxGetNativeFontEncoding") );
 
     if ( encoding == wxFONTENCODING_DEFAULT )
     {
@@ -809,12 +860,12 @@ bool wxGetNativeFontEncoding(wxFontEncoding encoding,
 
         default:
             // don't know how to translate this encoding into X fontspec
-            return FALSE;
+            return false;
     }
 
     info->encoding = encoding;
 
-    return TRUE;
+    return true;
 }
 
 bool wxTestFontEncoding(const wxNativeEncodingInfo& info)
@@ -878,7 +929,7 @@ wxNativeFont wxLoadQueryNearestFont(int pointSize,
     wxNativeFont font = 0;
 
     // if we already have the X font name, try to use it
-    if( xFontName && !xFontName->IsEmpty() )
+    if( xFontName && !xFontName->empty() )
     {
         //
         //  Make sure point size is correct for scale factor.
@@ -991,7 +1042,7 @@ wxNativeFont wxLoadQueryNearestFont(int pointSize,
                 if ( !font )
                 {
                     font = wxLoadQueryFont(-1, wxDEFAULT, wxNORMAL, wxNORMAL,
-                                           FALSE, wxEmptyString,
+                                           false, wxEmptyString,
                                            info.xregistry, info.xencoding,
                                            xFontName);
 
@@ -1004,7 +1055,7 @@ wxNativeFont wxLoadQueryNearestFont(int pointSize,
 
                         font = wxLoadQueryFont(-1,
                                                wxDEFAULT, wxNORMAL, wxNORMAL,
-                                               FALSE, wxEmptyString,
+                                               false, wxEmptyString,
                                                _T("*"), _T("*"),
                                                xFontName);
                     }
@@ -1020,20 +1071,20 @@ wxNativeFont wxLoadQueryNearestFont(int pointSize,
 // private functions
 // ----------------------------------------------------------------------------
 
-// returns TRUE if there are any fonts matching this font spec
+// returns true if there are any fonts matching this font spec
 static bool wxTestFontSpec(const wxString& fontspec)
 {
     // some X servers will fail to load this font because there are too many
     // matches so we must test explicitly for this
     if ( fontspec == _T("-*-*-*-*-*-*-*-*-*-*-*-*-*-*") )
     {
-        return TRUE;
+        return true;
     }
 
     wxNativeFont test = (wxNativeFont) g_fontHash->Get( fontspec );
     if (test)
     {
-        return TRUE;
+        return true;
     }
 
     test = wxLoadFont(fontspec);
@@ -1043,11 +1094,11 @@ static bool wxTestFontSpec(const wxString& fontspec)
     {
         wxFreeFont(test);
 
-        return TRUE;
+        return true;
     }
     else
     {
-        return FALSE;
+        return false;
     }
 }
 
@@ -1144,7 +1195,7 @@ static wxNativeFont wxLoadQueryFont(int pointSize,
 
 #else
     wxString fontSpec;
-    if (!facename.IsEmpty())
+    if (!facename.empty())
     {
         fontSpec.Printf(wxT("-*-%s-*-*-normal-*-*-*-*-*-*-*-*-*"),
                         facename.c_str());
@@ -1342,7 +1393,7 @@ bool wxFontModule::OnInit()
 {
     g_fontHash = new wxHashTable( wxKEY_STRING );
 
-    return TRUE;
+    return true;
 }
 
 void wxFontModule::OnExit()
@@ -1353,4 +1404,3 @@ void wxFontModule::OnExit()
 }
 
 #endif // GTK 2.0/1.x
-