]> git.saurik.com Git - wxWidgets.git/blobdiff - src/unix/utilsunx.cpp
wxHTML 8.3 convention
[wxWidgets.git] / src / unix / utilsunx.cpp
index bb8b4b33e98c92be91f1c0fb45c218338cfab890..1ecee5f029d67e35032f5b36282880162bd6d63d 100644 (file)
 #if !defined(HAVE_USLEEP) && \
     (defined(__SUN__) && !defined(__SunOs_5_6) && \
                          !defined(__SunOs_5_7) && !defined(__SUNPRO_CC)) || \
-     defined(__osf__)
+     defined(__osf__) || defined(__EMX__)
     extern "C"
     {
         #ifdef __SUN__
             int usleep(unsigned int usec);
         #else // !Sun
-            void usleep(unsigned long usec);
-        #endif // Sun/!Sun
+       #ifdef __EMX
+            /* I copied this from the XFree86 diffs. AV. */
+            #define INCL_DOSPROCESS
+            #include <os2.h>
+            void usleep(unsigned long delay)
+            {
+                DosSleep(delay ? (delay/1000l) : 1l);
+            }
+       #else
+           void usleep(unsigned long usec);
+       #endif
+        #endif // Sun/EMX/Something else
     };
+#define HAVE_USLEEP 1
 #endif // Unices without usleep()
 
 // ============================================================================
@@ -244,7 +255,7 @@ long wxExecute( wxChar **argv, bool sync, wxProcess *process )
     char *mb_argv[WXEXECUTE_NARGS];
 
     while (argv[mb_argc]) {
-      wxWX2MBbuf mb_arg = wxConv_libc.cWX2MB(argv[mb_argc]);
+      wxWX2MBbuf mb_arg = wxConvCurrent->cWX2MB(argv[mb_argc]);
       mb_argv[mb_argc] = strdup(mb_arg);
       mb_argc++;
     }
@@ -266,7 +277,7 @@ long wxExecute( wxChar **argv, bool sync, wxProcess *process )
     }
 
     // fork the process
-#ifdef HAVE_VFORK
+#if HAVE_VFORK
     pid_t pid = vfork();
 #else
     pid_t pid = fork();
@@ -393,7 +404,7 @@ char *wxGetUserHome( const wxString &user )
         }
         if ((ptr = wxGetenv(_T("USER"))) != NULL || (ptr = wxGetenv(_T("LOGNAME"))) != NULL)
         {
-            who = getpwnam(wxConv_libc.cWX2MB(ptr));
+            who = getpwnam(wxConvCurrent->cWX2MB(ptr));
         }
 
         // We now make sure the the user exists!
@@ -408,7 +419,7 @@ char *wxGetUserHome( const wxString &user )
     }
 
 #if wxUSE_UNICODE
-    return who ? wxConv_libc.cMB2WX(who->pw_dir) : (wxMB2WXbuf)((wxChar*)NULL);
+    return who ? wxConvCurrent->cMB2WX(who->pw_dir) : (wxMB2WXbuf)((wxChar*)NULL);
 #else
     return who ? who->pw_dir : ((char*)NULL);
 #endif
@@ -433,7 +444,7 @@ static bool wxGetHostNameInternal(wxChar *buf, int sz)
     bool ok = uname(&uts) != -1;
     if ( ok )
     {
-        wxStrncpy(buf, wxConv_libc.cMB2WX(uts.nodename), sz - 1);
+        wxStrncpy(buf, wxConvCurrent->cMB2WX(uts.nodename), sz - 1);
         buf[sz] = _T('\0');
     }
 #elif defined(HAVE_GETHOSTNAME)
@@ -479,7 +490,7 @@ bool wxGetFullHostName(wxChar *buf, int sz)
     {
         if ( !wxStrchr(buf, _T('.')) )
         {
-            struct hostent *host = gethostbyname(wxConv_libc.cWX2MB(buf));
+            struct hostent *host = gethostbyname(wxConvCurrent->cWX2MB(buf));
             if ( !host )
             {
                 wxLogSysError(_("Cannot get the official hostname"));
@@ -489,7 +500,7 @@ bool wxGetFullHostName(wxChar *buf, int sz)
             else
             {
                 // the canonical name
-                wxStrncpy(buf, wxConv_libc.cMB2WX(host->h_name), sz);
+                wxStrncpy(buf, wxConvCurrent->cMB2WX(host->h_name), sz);
             }
         }
         //else: it's already a FQDN (BSD behaves this way)
@@ -505,7 +516,7 @@ bool wxGetUserId(wxChar *buf, int sz)
     *buf = _T('\0');
     if ((who = getpwuid(getuid ())) != NULL)
     {
-        wxStrncpy (buf, wxConv_libc.cMB2WX(who->pw_name), sz - 1);
+        wxStrncpy (buf, wxConvCurrent->cMB2WX(who->pw_name), sz - 1);
         return TRUE;
     }
 
@@ -522,7 +533,7 @@ bool wxGetUserName(wxChar *buf, int sz)
        comma = strchr(who->pw_gecos, ',');
        if (comma)
            *comma = '\0'; // cut off non-name comment fields
-       wxStrncpy (buf, wxConv_libc.cMB2WX(who->pw_gecos), sz - 1);
+       wxStrncpy (buf, wxConvCurrent->cMB2WX(who->pw_gecos), sz - 1);
        return TRUE;
     }
 
@@ -558,3 +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;
+}
+