From 040f0110fc3aa931eff3c245518aabbbd934f3f5 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Mon, 7 Sep 1998 08:55:28 +0000
Subject: [PATCH] wxRegConfig now works again

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@696 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/msw/regconf.cpp  | 98 ++++++++++++++++++++++----------------------
 src/msw/registry.cpp | 11 +++--
 2 files changed, 57 insertions(+), 52 deletions(-)

diff --git a/src/msw/regconf.cpp b/src/msw/regconf.cpp
index 22743d41a0..6e6d1da8d3 100644
--- a/src/msw/regconf.cpp
+++ b/src/msw/regconf.cpp
@@ -71,62 +71,60 @@ bool TryGetValue(const wxRegKey& key, const wxString& str, long *plVal)
 // ctor/dtor
 // ----------------------------------------------------------------------------
 
-#if 0
-wxRegConfig::wxRegConfig(const wxString& strRoot)
-           : m_keyLocalRoot(wxRegKey::HKCU, SOFTWARE_KEY + strRoot),
-             m_keyLocal(m_keyLocalRoot, ""),
-             m_keyGlobalRoot(wxRegKey::HKLM, SOFTWARE_KEY + strRoot),
-             m_keyGlobal(m_keyGlobalRoot, "")
+// create the config object which stores its data under HKCU\vendor\app and, if
+// style & wxCONFIG_USE_GLOBAL_FILE, under HKLM\vendor\app
+wxRegConfig::wxRegConfig(const wxString& appName, const wxString& vendorName,
+                         const wxString& strLocal, const wxString& strGlobal,
+                         long style)
+           : wxConfigBase(appName, vendorName, strLocal, strGlobal, style)
 {
-  // Create() will Open() if key already exists
-  m_keyLocalRoot.Create();
-
-  // as it's the same key, Open() shouldn't fail (i.e. no need for Create())
-  m_keyLocal.Open();
+  wxString strRoot;
 
-  wxLogNull nolog;
-  m_keyGlobalRoot.Open();
-}
-#endif
+  bool bDoUseGlobal = (style & wxCONFIG_USE_GLOBAL_FILE) != 0;
 
-// TODO: vendor name is ignored, because we can't yet do the test for optional vendor
-// name in the constructor body. We need a wxRegKey::Set that takes the same
-// args as the constructor. Then we'll set m_keyLocalRoot etc. in the constructor body.
-
-wxRegConfig::wxRegConfig(const wxString& appName, const wxString& vendorName,
-      const wxString& strLocal, const wxString& strGlobal, long style)
-            : wxConfigBase(appName, vendorName, strLocal, strGlobal, style),
+  // the convention is to put the programs keys under <vendor>\<appname>
+  // (but it can be overriden by specifying the pathes explicitly in strLocal
+  // and/or strGlobal)
+  if ( strLocal.IsEmpty() || (strGlobal.IsEmpty() && bDoUseGlobal) )
+  {
+    if ( vendorName.IsEmpty() )
+    {
+      if ( wxTheApp )
+        strRoot = wxTheApp->GetVendorName();
+    }
+    else
+    {
+      strRoot = vendorName;
+    }
 
-             m_keyLocalRoot(wxRegKey::HKCU, SOFTWARE_KEY + appName),
-             m_keyLocal(m_keyLocalRoot, ""),
-             m_keyGlobalRoot(wxRegKey::HKLM, SOFTWARE_KEY + appName),
-             m_keyGlobal(m_keyGlobalRoot, "")
-{
-    // TODO: really, we should check and supply an app name if one isn't supplied.
-    // Unfortunately I don't know how to initialise the member wxRegKey
-    // variables from within the constructor body. -- JACS
-    // Vadim - we just need an implementation of wxRegKey::Set,
-    // and then we can uncomment this and remove the constructor lines above.
-/*
-    wxString strRoot(appName);
-    if (appName.IsEmpty() && wxTheApp)
+    // no '\\' needed if no vendor name
+    if ( !strRoot.IsEmpty() )
     {
-        strRoot = wxTheApp->GetAppName();
+      strRoot += '\\';
     }
-    wxASSERT( !strRoot.IsEmpty() );
 
-    if (!vendorName.IsEmpty())
+    if ( appName.IsEmpty() )
+    {
+      wxCHECK_RET( wxTheApp, "No application name in wxRegConfig ctor!" );
+      strRoot << wxTheApp->GetAppName();
+    }
+    else
     {
-        strRoot += "\\";
-        strRoot += vendorName;
+      strRoot << appName;
     }
+  }
+  //else: we don't need to do all the complicated stuff above
 
-    m_keyLocalRoot.Set(wxRegKey::HKCU, SOFTWARE_KEY + strRoot),
-    m_keyLocal.Set(m_keyLocalRoot, ""),
+  wxString str = strLocal.IsEmpty() ? strRoot : strLocal;
+  m_keyLocalRoot.SetName(wxRegKey::HKCU, SOFTWARE_KEY + str);
+  m_keyLocal.SetName(m_keyLocalRoot, "");
 
-    m_keyGlobalRoot.Set(wxRegKey::HKLM, SOFTWARE_KEY + strRoot),
-    m_keyGlobal.Set(m_keyGlobalRoot, "")
-*/
+  if ( bDoUseGlobal )
+  {
+    str = strGlobal.IsEmpty() ? strRoot : strGlobal;
+    m_keyGlobalRoot.SetName(wxRegKey::HKLM, SOFTWARE_KEY + str);
+    m_keyGlobal.SetName(m_keyGlobalRoot, "");
+  }
 
   // Create() will Open() if key already exists
   m_keyLocalRoot.Create();
@@ -134,9 +132,13 @@ wxRegConfig::wxRegConfig(const wxString& appName, const wxString& vendorName,
   // as it's the same key, Open() shouldn't fail (i.e. no need for Create())
   m_keyLocal.Open();
 
-  wxLogNull nolog;
-  m_keyGlobalRoot.Open();
-
+  // OTOH, this key may perfectly not exist, so suppress error messages the call
+  // to Open() might generate
+  if ( bDoUseGlobal )
+  {
+    wxLogNull nolog;
+    m_keyGlobalRoot.Open();
+  }
 }
 
 wxRegConfig::~wxRegConfig()
diff --git a/src/msw/registry.cpp b/src/msw/registry.cpp
index b2650bcb6b..a2f1b268e9 100644
--- a/src/msw/registry.cpp
+++ b/src/msw/registry.cpp
@@ -887,11 +887,14 @@ bool GetFileTypeIcon(wxIcon *pIcon, const wxString& strFileType)
       // NB: icon index may be negative as well as positive and the full path
       //     may contain the environment variables inside '%'
       wxString strFullPath = strIcon.Before(','),
-               strIndex = strIcon.After(',');
+               strIndex = strIcon.Right(',');
 
-      // unless I misunderstand the format (may be index may be ommited, I
-      // don't know)
-      wxASSERT( !(strFullPath.IsEmpty() || strIndex.IsEmpty()) );
+      // index may be omitted, in which case Before(',') is empty and
+      // Right(',') is the whole string
+      if ( strFullPath.IsEmpty() ) {
+        strFullPath = strIndex;
+        strIndex = "0";
+      }
 
       wxString strExpPath = wxExpandEnvVars(strFullPath);
       int nIndex = atoi(strIndex);
-- 
2.47.2