diff -Naur dolphin-0.8.2-orig/src/dolphinview.cpp dolphin-0.8.2-new/src/dolphinview.cpp
--- dolphin-0.8.2-orig/src/dolphinview.cpp	2006-12-09 00:00:24.000000000 +0100
+++ dolphin-0.8.2-new/src/dolphinview.cpp	2007-03-10 23:25:15.000000000 +0100
@@ -705,6 +705,27 @@
             setURL(KURL(localPath));
         }
     }
+    else if (fileItem->isFile()) {
+	// allow to browse through ZIP and tar files
+	KMimeType::Ptr mime = fileItem->mimeTypePtr();
+	if (mime->is("application/x-zip")) {
+	    KURL url = fileItem->url();
+	    url.setProtocol("zip");
+	    setURL(url);
+	}
+	else if (mime->is("application/x-tar") ||
+		 mime->is("application/x-tarz") ||
+		 mime->is("application/x-tbz") ||
+		 mime->is("application/x-tgz") ||
+		 mime->is("application/x-tzo")) {
+	    KURL url = fileItem->url();
+	    url.setProtocol("tar");
+	    setURL(url);
+	}
+	else {
+	    fileItem->run();
+	}
+    }
     else {
         fileItem->run();
     }
diff -Naur dolphin-0.8.2-orig/src/urlnavigator.cpp dolphin-0.8.2-new/src/urlnavigator.cpp
--- dolphin-0.8.2-orig/src/urlnavigator.cpp	2006-11-01 00:07:08.000000000 +0100
+++ dolphin-0.8.2-new/src/urlnavigator.cpp	2007-03-10 23:25:03.000000000 +0100
@@ -116,6 +116,68 @@
 void URLNavigator::setURL(const KURL& url)
 {
     QString urlStr(url.prettyURL());
+
+    if (url.protocol() == "zip") {
+	bool stillInside = false;
+	if (KMimeType::findByPath(url.url(-1))
+	    ->is("application/x-zip")) {
+	    stillInside = true;
+	}
+	else {
+	    KURL url1 = url.upURL();
+	    while (url1 != url1.upURL()) {
+		if (KMimeType::findByPath(url1.url(-1))
+		    ->is("application/x-zip")) {
+		    stillInside = true;
+		    break;
+		}
+		url1 = url1.upURL();
+	    }
+	}
+	if (!stillInside)
+	{
+	    // Drop the zip:/ protocol since we are not in the zip anymore
+	    urlStr = url.path();
+	}
+    }
+    else if (url.protocol() == "tar")
+    {
+	bool stillInside = false;
+	KMimeType::Ptr kmp = 
+	    KMimeType::findByPath(url.url(-1));
+	if (kmp->is("application/x-tar") ||
+	    kmp->is("application/x-tarz") ||
+	    kmp->is("application/x-tbz") || 
+	    kmp->is("application/x-tgz") || 
+	    kmp->is("application/x-tzo")
+	    ) {
+	    stillInside = true;
+	}
+	else {
+	    KURL url1 = url.upURL();
+	    while (url1 != url1.upURL()) {
+		KMimeType::Ptr kmp =
+		    KMimeType::findByPath(url1.url(-1));
+		if (kmp->is("application/x-tar") ||
+		    kmp->is("application/x-tarz") ||
+		    kmp->is("application/x-tbz") || 
+		    kmp->is("application/x-tgz") || 
+		    kmp->is("application/x-tzo")
+		    ) {
+		    stillInside = true;
+		    break;
+		}
+		url1 = url1.upURL();
+	    }
+	}
+	if (!stillInside)
+	{
+	    // Drop the tar:/ protocol since we are not in the tar anymore
+	    urlStr = url.path();
+	}
+    }
+
+
     if (urlStr.at(0) == '~') {
         // replace '~' by the home directory
         urlStr.remove(0, 1);