X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b98bd6af23c1c73eb2cddf14da18455e5668de6d..80a779275ae04443c568dca919adb26cf6f5002c:/src/common/platinfo.cpp

diff --git a/src/common/platinfo.cpp b/src/common/platinfo.cpp
index b8ee8fcc1c..1d8d99e22f 100644
--- a/src/common/platinfo.cpp
+++ b/src/common/platinfo.cpp
@@ -33,11 +33,17 @@
 
 #include "wx/apptrait.h"
 
+// global object
+// VERY IMPORTANT: do not use the default constructor since it would
+//                 try to init the wxPlatformInfo instance using
+//                 gs_platInfo itself!
+static wxPlatformInfo gs_platInfo(wxPORT_UNKNOWN);
+
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 
-static wxString wxOperatingSystemIdNames[] =
+static const wxChar* const wxOperatingSystemIdNames[] =
 {
     _T("Apple Mac OS"),
     _T("Apple Mac OS X"),
@@ -60,7 +66,7 @@ static wxString wxOperatingSystemIdNames[] =
     _T("OS/2")
 };
 
-static wxString wxPortIdNames[] =
+static const wxChar* const wxPortIdNames[] =
 {
     _T("wxBase"),
     _T("wxMSW"),
@@ -72,16 +78,17 @@ static wxString wxPortIdNames[] =
     _T("wxMac"),
     _T("wxCocoa"),
     _T("wxWinCE"),
-    _T("wxPalmOS")
+    _T("wxPalmOS"),
+    _T("wxDFB")
 };
 
-static wxString wxArchitectureNames[] =
+static const wxChar* const wxArchitectureNames[] =
 {
     _T("32 bit"),
     _T("64 bit")
 };
 
-static wxString wxEndiannessNames[] =
+static const wxChar* const wxEndiannessNames[] =
 {
     _T("Big endian"),
     _T("Little endian"),
@@ -116,26 +123,8 @@ static unsigned wxGetIndexFromEnumValue(int value)
 
 wxPlatformInfo::wxPlatformInfo()
 {
-    // autodetect all informations
-    const wxAppTraits * const traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
-    if ( !traits )
-    {
-        wxFAIL_MSG( _T("failed to initialize wxPlatformInfo") );
-
-        m_port = wxPORT_UNKNOWN;
-        m_usingUniversal = false;
-        m_tkVersionMajor =
-        m_tkVersionMinor = 0;
-    }
-    else
-    {
-        m_port = traits->GetToolkitVersion(&m_tkVersionMajor, &m_tkVersionMinor);
-        m_usingUniversal = traits->IsUsingUniversalWidgets();
-    }
-
-    m_os = wxGetOsVersion(&m_osVersionMajor, &m_osVersionMinor);
-    m_endian = wxIsPlatformLittleEndian() ? wxENDIAN_LITTLE : wxENDIAN_BIG;
-    m_arch = wxIsPlatform64Bit() ? wxARCH_64 : wxARCH_32;
+    // just copy platform info for currently running platform
+    *this = Get();
 }
 
 wxPlatformInfo::wxPlatformInfo(wxPortId pid, int tkMajor, int tkMinor,
@@ -170,24 +159,64 @@ bool wxPlatformInfo::operator==(const wxPlatformInfo &t) const
            m_endian == t.m_endian;
 }
 
+void wxPlatformInfo::InitForCurrentPlatform()
+{
+    // autodetect all informations
+    const wxAppTraits * const traits = wxTheApp ? wxTheApp->GetTraits() : NULL;
+    if ( !traits )
+    {
+        wxFAIL_MSG( _T("failed to initialize wxPlatformInfo") );
+
+        m_port = wxPORT_UNKNOWN;
+        m_usingUniversal = false;
+        m_tkVersionMajor =
+                m_tkVersionMinor = 0;
+    }
+    else
+    {
+        m_port = traits->GetToolkitVersion(&m_tkVersionMajor, &m_tkVersionMinor);
+        m_usingUniversal = traits->IsUsingUniversalWidgets();
+    }
+
+    m_os = wxGetOsVersion(&m_osVersionMajor, &m_osVersionMinor);
+    m_endian = wxIsPlatformLittleEndian() ? wxENDIAN_LITTLE : wxENDIAN_BIG;
+    m_arch = wxIsPlatform64Bit() ? wxARCH_64 : wxARCH_32;
+}
+
+/* static */
+const wxPlatformInfo& wxPlatformInfo::Get()
+{
+    static bool initialized = false;
+    if ( !initialized )
+    {
+        gs_platInfo.InitForCurrentPlatform();
+        initialized = true;
+    }
+
+    return gs_platInfo;
+}
+
+
+
 // ----------------------------------------------------------------------------
 // wxPlatformInfo - enum -> string conversions
 // ----------------------------------------------------------------------------
 
 wxString wxPlatformInfo::GetOperatingSystemFamilyName(wxOperatingSystemId os)
 {
+    const wxChar* string = _T("Unknown");
     if ( os & wxOS_MAC )
-        return _T("Macintosh");
+        string = _T("Macintosh");
     else if ( os & wxOS_WINDOWS )
-        return _T("Windows");
+        string = _T("Windows");
     else if ( os & wxOS_UNIX )
-        return _T("Unix");
+        string = _T("Unix");
     else if ( os == wxOS_DOS )
-        return _T("DOS");
+        string = _T("DOS");
     else if ( os == wxOS_OS2 )
-        return _T("OS/2");
+        string = _T("OS/2");
 
-    return _T("Unknown");
+    return string;
 }
 
 wxString wxPlatformInfo::GetOperatingSystemIdName(wxOperatingSystemId os)
@@ -256,7 +285,7 @@ wxOperatingSystemId wxPlatformInfo::GetOperatingSystemId(const wxString &str)
 {
     for ( size_t i = 0; i < WXSIZEOF(wxOperatingSystemIdNames); i++ )
     {
-        if ( wxOperatingSystemIdNames[i].CmpNoCase(str) == 0 )
+        if ( wxString(wxOperatingSystemIdNames[i]).CmpNoCase(str) == 0 )
             return (wxOperatingSystemId)(1 << i);
     }
 
@@ -270,9 +299,8 @@ wxPortId wxPlatformInfo::GetPortId(const wxString &str)
     {
         wxPortId current = (wxPortId)(1 << i);
 
-        if ( wxPortIdNames[i].CmpNoCase(str) == 0 )
-            return current;
-        if ( GetPortIdShortName(current, true).CmpNoCase(str) == 0 ||
+        if ( wxString(wxPortIdNames[i]).CmpNoCase(str) == 0 ||
+             GetPortIdShortName(current, true).CmpNoCase(str) == 0 ||
              GetPortIdShortName(current, false).CmpNoCase(str) == 0 )
             return current;
     }