]> git.saurik.com Git - wxWidgets.git/blobdiff - src/unix/utilsunx.cpp
If we used 10% less inline functions in useless occasions,
[wxWidgets.git] / src / unix / utilsunx.cpp
index e9510f72355fcceda9e50c696e9bb0d98e213b1d..1ecee5f029d67e35032f5b36282880162bd6d63d 100644 (file)
@@ -569,3 +569,252 @@ void wxFatalError( const wxString &msg, const wxString &title )
   wxFprintf( stderr, _T(".\n") );
   exit(3); // the same exit code as for abort()
 }
+
+// ----------------------------------------------------------------------------
+// font-related functions
+// ----------------------------------------------------------------------------
+
+// define the functions to create and destroy native fonts for this toolkit
+#ifdef __X__
+    static inline wxNativeFont wxLoadFont(const wxString& fontSpec)
+    {
+        return XLoadQueryFont((Display *)wxGetDisplay(), fontSpec);
+    }
+
+    static inline void wxFreeFont(wxNativeFont font)
+    {
+        XFreeFont((Display *)wxGetDisplay(), font);
+    }
+#elif defined(__WXGTK__)
+
+    #include "gdk/gdk.h"
+
+    static inline wxNativeFont wxLoadFont(const wxString& fontSpec)
+    {
+        return gdk_font_load( wxConvCurrent->cWX2MB(fontSpec) );
+    }
+
+    static inline void wxFreeFont(wxNativeFont font)
+    {
+        gdk_font_unref(font);
+    }
+#else
+    #error "Unknown GUI toolkit"
+#endif
+
+// returns TRUE if there are any fonts matching this font spec
+static bool wxTestFontSpec(const wxString& fontspec)
+{
+    wxNativeFont test = wxLoadFont(fontspec);
+    if ( test )
+    {
+        wxFreeFont(test);
+
+        return TRUE;
+    }
+    else
+    {
+        return FALSE;
+    }
+}
+
+// TODO encoding test logic should be moved to wxLoadQueryNearestFont()
+static wxNativeFont wxLoadQueryFont(int pointSize,
+                                    int family,
+                                    int style,
+                                    int weight,
+                                    bool WXUNUSED(underlined),
+                                    const wxString &facename,
+                                    wxFontEncoding encoding )
+{
+    wxString xfamily;
+    switch (family)
+    {
+        case wxDECORATIVE: xfamily = _T("lucida"); break;
+        case wxROMAN:      xfamily = _T("times");  break;
+        case wxMODERN:     xfamily = _T("courier"); break;
+        case wxSWISS:      xfamily = _T("helvetica"); break;
+        case wxTELETYPE:   xfamily = _T("lucidatypewriter"); break;
+        case wxSCRIPT:     xfamily = _T("utopia"); break;
+        default:           xfamily = _T("*");
+    }
+
+    wxString fontSpec;
+    if (!facename.IsEmpty())
+    {
+        fontSpec.Printf(_T("-*-%s-*-*-normal-*-*-*-*-*-*-*-*-*"),
+                        facename.c_str());
+
+        if ( wxTestFontSpec(fontSpec) )
+        {
+            xfamily = facename;
+        }
+        //else: no such family, use default one instead
+    }
+
+    wxString xstyle;
+    switch (style)
+    {
+        case wxITALIC:     xstyle = _T("i"); break;
+        case wxSLANT:      xstyle = _T("o"); break;
+        case wxNORMAL:     xstyle = _T("r"); break;
+        default:           xstyle = _T("*"); break;
+    }
+
+    wxString xweight;
+    switch (weight)
+    {
+        case wxBOLD:       xweight = _T("bold"); break;
+        case wxLIGHT:
+        case wxNORMAL:     xweight = _T("medium"); break;
+        default:           xweight = _T("*"); break;
+    }
+
+    wxString xregistry, xencoding;
+    if ( encoding == wxFONTENCODING_DEFAULT )
+    {
+        // use the apps default
+        encoding = wxFont::GetDefaultEncoding();
+    }
+
+    bool test = TRUE;   // should we test for availability of encoding?
+    switch ( encoding )
+    {
+        case wxFONTENCODING_ISO8859_1:
+        case wxFONTENCODING_ISO8859_2:
+        case wxFONTENCODING_ISO8859_3:
+        case wxFONTENCODING_ISO8859_4:
+        case wxFONTENCODING_ISO8859_5:
+        case wxFONTENCODING_ISO8859_6:
+        case wxFONTENCODING_ISO8859_7:
+        case wxFONTENCODING_ISO8859_8:
+        case wxFONTENCODING_ISO8859_9:
+        case wxFONTENCODING_ISO8859_10:
+        case wxFONTENCODING_ISO8859_11:
+        case wxFONTENCODING_ISO8859_13:
+        case wxFONTENCODING_ISO8859_14:
+        case wxFONTENCODING_ISO8859_15:
+            {
+                int cp = encoding - wxFONTENCODING_ISO8859_1 + 1;
+                xregistry = _T("iso8859");
+                xencoding.Printf(_T("%d"), cp);
+            }
+            break;
+
+        case wxFONTENCODING_KOI8:
+            xregistry = _T("koi8");
+            if ( wxTestFontSpec(_T("-*-*-*-*-*-*-*-*-*-*-*-*-koi8-1")) )
+            {
+                xencoding = _T("1");
+
+                // test passed, no need to do it once more
+                test = FALSE;
+            }
+            else
+            {
+                xencoding = _T("*");
+            }
+            break;
+
+        case wxFONTENCODING_CP1250:
+        case wxFONTENCODING_CP1251:
+        case wxFONTENCODING_CP1252:
+            {
+                int cp = encoding - wxFONTENCODING_CP1250 + 1250;
+                fontSpec.Printf(_T("-*-*-*-*-*-*-*-*-*-*-*-*-microsoft-cp%d"),
+                                cp);
+                if ( wxTestFontSpec(fontSpec) )
+                {
+                    xregistry = _T("microsoft");
+                    xencoding.Printf(_T("cp%d"), cp);
+
+                    // test passed, no need to do it once more
+                    test = FALSE;
+                }
+                else
+                {
+                    // fall back to LatinX
+                    xregistry = _T("iso8859");
+                    xencoding.Printf(_T("%d"), cp - 1249);
+                }
+            }
+            break;
+
+        case wxFONTENCODING_SYSTEM:
+        default:
+            test = FALSE;
+            xregistry =
+            xencoding = _T("*");
+    }
+
+    if ( test )
+    {
+        fontSpec.Printf(_T("-*-*-*-*-*-*-*-*-*-*-*-*-%s-%s"),
+                        xregistry.c_str(), xencoding.c_str());
+        if ( !wxTestFontSpec(fontSpec) )
+        {
+            // this encoding isn't available - what to do?
+            xregistry =
+            xencoding = _T("*");
+        }
+    }
+
+    // construct the X font spec from our data
+    fontSpec.Printf(_T("-*-%s-%s-%s-normal-*-*-%d-*-*-*-*-%s-%s"),
+                    xfamily.c_str(), xweight.c_str(), xstyle.c_str(),
+                    pointSize, xregistry.c_str(), xencoding.c_str());
+
+    return wxLoadFont(fontSpec);
+}
+
+wxNativeFont wxLoadQueryNearestFont(int pointSize,
+                                    int family,
+                                    int style,
+                                    int weight,
+                                    bool underlined,
+                                    const wxString &facename,
+                                    wxFontEncoding encoding)
+{
+    wxNativeFont font = wxLoadQueryFont( pointSize, family, style, weight,
+                                         underlined, facename, encoding );
+
+    if (!font)
+    {
+        // search up and down by stepsize 10
+        int max_size = pointSize + 20 * (1 + (pointSize/180));
+        int min_size = pointSize - 20 * (1 + (pointSize/180));
+
+        int i;
+
+        // Search for smaller size (approx.)
+        for ( i = pointSize - 10; !font && i >= 10 && i >= min_size; i -= 10 )
+        {
+            font = wxLoadQueryFont(i, family, style, weight, underlined,
+                                   facename, encoding );
+        }
+
+        // Search for larger size (approx.)
+        for ( i = pointSize + 10; !font && i <= max_size; i += 10 )
+        {
+            font = wxLoadQueryFont( i, family, style, weight, underlined,
+                                    facename, encoding );
+        }
+
+        // Try default family
+        if ( !font && family != wxDEFAULT )
+        {
+            font = wxLoadQueryFont( pointSize, wxDEFAULT, style, weight,
+                                    underlined, facename, encoding );
+        }
+
+        // Bogus font
+        if ( !font )
+        {
+            font = wxLoadQueryFont(120, wxDEFAULT, wxNORMAL, wxNORMAL,
+                                   underlined, facename, encoding );
+        }
+    }
+
+    return font;
+}
+