Ensure there is valid context for DrawRectangle

[wxWidgets.git] / src / msw / utils.cpp

diff --git a/src/msw/utils.cpp b/src/msw/utils.cpp
index d371459b0909fe9b566208dc6c90a159b8f7138a..afd0bb2e6c0f38742c9bbf3cc2ac680ad7ea31c5 100644 (file)
--- a/src/msw/utils.cpp
+++ b/src/msw/utils.cpp
@@ -41,6 +41,7 @@
 #include "wx/confbase.h"        // for wxExpandEnvVars()
 
 #include "wx/msw/private.h"     // includes <windows.h>
+#include "wx/msw/private/hiddenwin.h"
 #include "wx/msw/missing.h"     // for CHARSET_HANGUL
 
 #if defined(__CYGWIN__)
@@ -59,9 +60,7 @@
 #if !defined(__GNUWIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
     #include <direct.h>
 
-    #ifndef __MWERKS__
-        #include <dos.h>
-    #endif
+    #include <dos.h>
 #endif  //GNUWIN32
 
 #if defined(__CYGWIN__)
@@ -142,7 +141,7 @@ bool wxGetHostName(wxChar *buf, int maxSize)
             !regKey.QueryValue(wxT("Name"), hostName) )
         return false;
 
-    wxStrlcpy(buf, hostName.wx_str(), maxSize);
+    wxStrlcpy(buf, hostName.t_str(), maxSize);
 #else // !__WXWINCE__
     DWORD nSize = maxSize;
     if ( !::GetComputerName(buf, &nSize) )
@@ -637,7 +636,8 @@ bool wxDoSetEnv(const wxString& var, const wxChar *value)
     envstr += '=';
     if ( value )
         envstr += value;
-    _tputenv(envstr.t_str());
+    if ( _tputenv(envstr.t_str()) != 0 )
+        return false;
 #else // other compiler
     if ( !::SetEnvironmentVariable(var.t_str(), value) )
     {
@@ -1077,12 +1077,6 @@ unsigned long wxGetProcessId()
     return ::GetCurrentProcessId();
 }
 
-// Emit a beeeeeep
-void wxBell()
-{
-    ::MessageBeep((UINT)-1);        // default sound
-}
-
 bool wxIsDebuggerRunning()
 {
 #if wxUSE_DYNLIB_CLASS
@@ -1110,14 +1104,14 @@ bool
 wxLoadUserResource(const void **outData,
                    size_t *outLen,
                    const wxString& resourceName,
-                   const wxString& resourceType,
+                   const wxChar* resourceType,
                    WXHINSTANCE instance)
 {
     wxCHECK_MSG( outData && outLen, false, "output pointers can't be NULL" );
 
     HRSRC hResource = ::FindResource(instance,
-                                     resourceName.wx_str(),
-                                     resourceType.wx_str());
+                                     resourceName.t_str(),
+                                     resourceType);
     if ( !hResource )
         return false;
 
@@ -1146,7 +1140,7 @@ wxLoadUserResource(const void **outData,
 
 char *
 wxLoadUserResource(const wxString& resourceName,
-                   const wxString& resourceType,
+                   const wxChar* resourceType,
                    int* pLen,
                    WXHINSTANCE instance)
 {
@@ -1274,8 +1268,7 @@ wxString wxGetOsDescription()
                         switch ( info.dwMinorVersion )
                         {
                             case 0:
-                                str.Printf(_("Windows 2000 (build %lu"),
-                                           info.dwBuildNumber);
+                                str = _("Windows 2000");
                                 break;
 
                             case 2:
@@ -1284,15 +1277,13 @@ wxString wxGetOsDescription()
                                 // type to resolve this ambiguity
                                 if ( wxIsWindowsServer() == 1 )
                                 {
-                                    str.Printf(_("Windows Server 2003 (build %lu"),
-                                               info.dwBuildNumber);
+                                    str = _("Windows Server 2003");
                                     break;
                                 }
                                 //else: must be XP, fall through
 
                             case 1:
-                                str.Printf(_("Windows XP (build %lu"),
-                                           info.dwBuildNumber);
+                                str = _("Windows XP");
                                 break;
                         }
                         break;
@@ -1301,29 +1292,15 @@ wxString wxGetOsDescription()
                         switch ( info.dwMinorVersion )
                         {
                             case 0:
-                                if ( wxIsWindowsServer() == 1 )
-                                {
-                                    str.Printf(_("Windows Server 2008 (build %lu"),
-                                               info.dwBuildNumber);
-                                }
-                                else
-                                {
-                                     str.Printf(_("Windows Vista (build %lu"),
-                                               info.dwBuildNumber);
-                                }
+                                str = wxIsWindowsServer() == 1
+                                        ? _("Windows Server 2008")
+                                        : _("Windows Vista");
                                 break;
 
                             case 1:
-                                if ( wxIsWindowsServer() == 1 )
-                                {
-                                    str.Printf(_("Windows Server 2008 R2 (build %lu"),
-                                               info.dwBuildNumber);
-                                }
-                                else
-                                {
-                                     str.Printf(_("Windows 7 (build %lu"),
-                                               info.dwBuildNumber);
-                                }
+                                str = wxIsWindowsServer() == 1
+                                        ? _("Windows Server 2008 R2")
+                                        : _("Windows 7");
                                 break;
                         }
                         break;
@@ -1331,12 +1308,13 @@ wxString wxGetOsDescription()
 
                 if ( str.empty() )
                 {
-                    str.Printf(_("Windows NT %lu.%lu (build %lu"),
-                           info.dwMajorVersion,
-                           info.dwMinorVersion,
-                           info.dwBuildNumber);
+                    str.Printf(_("Windows NT %lu.%lu"),
+                               info.dwMajorVersion,
+                               info.dwMinorVersion);
                 }
 
+                str << wxT(" (")
+                    << wxString::Format(_("build %lu"), info.dwBuildNumber);
                 if ( !wxIsEmpty(info.szCSDVersion) )
                 {
                     str << wxT(", ") << info.szCSDVersion;
@@ -1740,18 +1718,6 @@ extern long wxCharsetToCodepage(const char *name)
 
 #endif // wxUSE_FONTMAP/!wxUSE_FONTMAP
 
-/*
-  Creates a hidden window with supplied window proc registering the class for
-  it if necesssary (i.e. the first time only). Caller is responsible for
-  destroying the window and unregistering the class (note that this must be
-  done because wxWidgets may be used as a DLL and so may be loaded/unloaded
-  multiple times into/from the same process so we cna't rely on automatic
-  Windows class unregistration).
-
-  pclassname is a pointer to a caller stored classname, which must initially be
-  NULL. classname is the desired wndclass classname. If function successfully
-  registers the class, pclassname will be set to classname.
- */
 extern "C" WXDLLIMPEXP_BASE HWND
 wxCreateHiddenWindow(LPCTSTR *pclassname, LPCTSTR classname, WNDPROC wndproc)
 {