Fix Documents shortcut in K Menu and system:/ folder

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1178867 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

kioslave/system/entries/documents.desktop

@@ -1,6 +1,6 @@
 [Desktop Entry]
 Type=Link
-Path[$e]=$( kxdglauncher --getpath --xdgname DOCUMENTS )
+Path=$( kxdglauncher --getpath --xdgname DOCUMENTS )
 Icon=folder_man
 Name=Documents Folder
 Name[af]=Dokument Gids

kioslave/system/systemimpl.cpp

@@ -27,6 +27,7 @@
 #include <tqapplication.h>
 #include <tqeventloop.h>
 #include <tqdir.h>
+#include <tqfile.h>
 
 #include <sys/stat.h>
 
@@ -206,6 +207,33 @@ void SystemImpl::createTopLevelEntry(KIO::UDSEntry &entry) const
 	addAtom(entry, KIO::UDS_ICON_NAME, 0, "system");
 }
 
+TQString SystemImpl::readPathINL(TQString filename)
+{
+	bool isPathExpanded = false;
+	TQString unexpandedPath;
+	TQFile f( filename );
+	if (!f.open(IO_ReadOnly))
+		return TQString();
+	// set the codec for the current locale
+	TQTextStream s(&f);
+	TQString line = s.readLine();
+	while (!line.isNull())
+	{
+		if (line.startsWith("Path=$(")) {
+			isPathExpanded = true;
+			unexpandedPath = line.remove("Path=");
+		}
+		line = s.readLine();
+	}
+ 	if (isPathExpanded == false) {
+		KDesktopFile desktop(filename, true);
+		return desktop.readPath();
+	}
+	else {
+		return unexpandedPath;
+	}
+}
+
 void SystemImpl::createEntry(KIO::UDSEntry &entry,
                              const TQString &directory,
                              const TQString &file)
@@ -219,7 +247,7 @@ void SystemImpl::createEntry(KIO::UDSEntry &entry,
 	entry.clear();
 
 	// Ensure that we really want this entry to be displayed
-	if ( desktop.readURL().isEmpty() && desktop.readPath().isEmpty() )
+	if ( desktop.readURL().isEmpty() && readPathINL(directory+file).isEmpty() )
 	{
 		return;
 	}
@@ -231,7 +259,7 @@ void SystemImpl::createEntry(KIO::UDSEntry &entry,
 
 	if ( desktop.readURL().isEmpty() )
 	{
-		addAtom(entry, KIO::UDS_URL, 0, desktop.readPath());
+		addAtom(entry, KIO::UDS_URL, 0, readPathINL(directory+file));
 	}
 	else
 	{

kioslave/system/systemimpl.h

@@ -22,6 +22,7 @@
 
 #include <kio/global.h>
 #include <kio/job.h>
+#include <kdesktopfile.h>
 #include <kurl.h>
 #include <dcopobject.h>
 
@@ -56,6 +57,8 @@ private:
 
 	bool m_lastListingEmpty;
 
+	TQString readPathINL(TQString filename);
+
 	/// Last error code stored in class to simplify API.
 	/// Note that this means almost no method can be const.
 	int m_lastErrorCode;

konqueror/konq_mainwindow.cc

@@ -485,6 +485,69 @@ void KonqMainWindow::openURL( KonqView *_view, const KURL &_url,
 #endif
 
   KURL url( _url );
+  if (url.url().startsWith("$(")) {
+      // check for environment variables and make necessary translations
+      TQString aValue = url.url();
+      int nDollarPos = aValue.find( '$' );
+
+      while( nDollarPos != -1 && nDollarPos+1 < static_cast<int>(aValue.length())) {
+        // there is at least one $
+        if( (aValue)[nDollarPos+1] == '(' ) {
+          uint nEndPos = nDollarPos+1;
+          // the next character is no $
+          while ( (nEndPos <= aValue.length()) && (aValue[nEndPos]!=')') )
+              nEndPos++;
+          nEndPos++;
+          TQString cmd = aValue.mid( nDollarPos+2, nEndPos-nDollarPos-3 );
+
+          TQString result;
+          FILE *fs = popen(TQFile::encodeName(cmd).data(), "r");
+          if (fs)
+          {
+             {
+             TQTextStream ts(fs, IO_ReadOnly);
+             result = ts.read().stripWhiteSpace();
+             }
+             pclose(fs);
+          }
+          aValue.replace( nDollarPos, nEndPos-nDollarPos, result );
+        } else if( (aValue)[nDollarPos+1] != '$' ) {
+          uint nEndPos = nDollarPos+1;
+          // the next character is no $
+          TQString aVarName;
+          if (aValue[nEndPos]=='{')
+          {
+            while ( (nEndPos <= aValue.length()) && (aValue[nEndPos]!='}') )
+                nEndPos++;
+            nEndPos++;
+            aVarName = aValue.mid( nDollarPos+2, nEndPos-nDollarPos-3 );
+          }
+          else
+          {
+            while ( nEndPos <= aValue.length() && (aValue[nEndPos].isNumber()
+                    || aValue[nEndPos].isLetter() || aValue[nEndPos]=='_' )  )
+                nEndPos++;
+            aVarName = aValue.mid( nDollarPos+1, nEndPos-nDollarPos-1 );
+          }
+          const char* pEnv = 0;
+          if (!aVarName.isEmpty())
+               pEnv = getenv( aVarName.ascii() );
+          if( pEnv ) {
+            // !!! Sergey A. Sukiyazov <corwin@micom.don.ru> !!!
+            // A environment variables may contain values in 8bit
+            // locale cpecified encoding or in UTF8 encoding.
+            aValue.replace( nDollarPos, nEndPos-nDollarPos, KStringHandler::from8Bit( pEnv ) );
+          } else
+            aValue.remove( nDollarPos, nEndPos-nDollarPos );
+        } else {
+          // remove one of the dollar signs
+          aValue.remove( nDollarPos, 1 );
+          nDollarPos++;
+        }
+        nDollarPos = aValue.find( '$', nDollarPos );
+      }
+      url = KURL(aValue);
+  }
   TQString serviceType( _serviceType );
   if ( url.url() == "about:blank" )
   {