Remove parameter "hasBeenSet" logic

It doesn't really make sense anymore given that settings might come
from the GUI or configuration and not only the command line.
diff --git a/common/rfb/Configuration.cxx b/common/rfb/Configuration.cxx
index d700522..8e1ea6e 100644
--- a/common/rfb/Configuration.cxx
+++ b/common/rfb/Configuration.cxx
@@ -88,7 +88,6 @@
         strncasecmp(current->getName(), name, len) == 0)
     {
       bool b = current->setParam(val);
-      current->setHasBeenSet(); 
       if (b && immutable) 
 	current->setImmutable();
       return b;
@@ -113,7 +112,6 @@
     while (current) {
       if (strcasecmp(current->getName(), config) == 0) {
         bool b = current->setParam();
-	current->setHasBeenSet(); 
         if (b && immutable) 
 	  current->setImmutable();
         return b;
@@ -182,7 +180,7 @@
 
 VoidParameter::VoidParameter(const char* name_, const char* desc_,
 			     ConfigurationObject co)
-  : immutable(false), _hasBeenSet(false), name(name_), description(desc_)
+  : immutable(false), name(name_), description(desc_)
 {
   Configuration *conf = NULL;
 
@@ -226,16 +224,6 @@
   immutable = true;
 }
 
-void
-VoidParameter::setHasBeenSet() {
-  _hasBeenSet = true;
-} 
-
-bool
-VoidParameter::hasBeenSet() {
-  return _hasBeenSet;
-}
-
 // -=- AliasParameter
 
 AliasParameter::AliasParameter(const char* name_, const char* desc_,
diff --git a/common/rfb/Configuration.h b/common/rfb/Configuration.h
index 4feeb78..da93fdd 100644
--- a/common/rfb/Configuration.h
+++ b/common/rfb/Configuration.h
@@ -165,8 +165,6 @@
     virtual bool isBool() const;
 
     virtual void setImmutable();
-    virtual void setHasBeenSet();
-    bool hasBeenSet();
 
   protected:
     friend class Configuration;
@@ -174,7 +172,6 @@
 
     VoidParameter* _next;
     bool immutable;
-    bool _hasBeenSet;
     const char* name;
     const char* description;
   };
diff --git a/tests/encperf.cxx b/tests/encperf.cxx
index 9b632e7..d93c771 100644
--- a/tests/encperf.cxx
+++ b/tests/encperf.cxx
@@ -427,12 +427,12 @@
     usage(argv[0]);
   }
 
-  if (!format.hasBeenSet()) {
+  if (strcmp(format, "") == 0) {
     fprintf(stderr, "Pixel format not specified!\n\n");
     usage(argv[0]);
   }
 
-  if (!width.hasBeenSet() || !height.hasBeenSet()) {
+  if (width == 0 || height == 0) {
     fprintf(stderr, "Frame buffer size not specified!\n\n");
     usage(argv[0]);
   }
diff --git a/vncviewer/DesktopWindow.cxx b/vncviewer/DesktopWindow.cxx
index eb62edd..bba502b 100644
--- a/vncviewer/DesktopWindow.cxx
+++ b/vncviewer/DesktopWindow.cxx
@@ -85,7 +85,7 @@
   // coordinates relative to the right edge / bottom edge) at this
   // time.
   int geom_x = 0, geom_y = 0;
-  if (geometry.hasBeenSet()) {
+  if (strcmp(geometry, "") != 0) {
     int matched;
     matched = sscanf(geometry.getValueStr(), "+%d+%d", &geom_x, &geom_y);
     if (matched == 2) {
@@ -606,12 +606,12 @@
 
 void DesktopWindow::handleDesktopSize()
 {
-  if (desktopSize.hasBeenSet()) {
+  if (strcmp(desktopSize, "") != 0) {
     int width, height;
 
     // An explicit size has been requested
 
-    if (sscanf(desktopSize.getValueStr(), "%dx%d", &width, &height) != 2)
+    if (sscanf(desktopSize, "%dx%d", &width, &height) != 2)
       return;
 
     remoteResize(width, height);
diff --git a/vncviewer/vncviewer.cxx b/vncviewer/vncviewer.cxx
index 09c8b2f..4b989bb 100644
--- a/vncviewer/vncviewer.cxx
+++ b/vncviewer/vncviewer.cxx
@@ -496,27 +496,6 @@
       vncServerName[VNCSERVERNAMELEN - 1] = '\0';
     }
 
-  if (!::autoSelect.hasBeenSet()) {
-    // Default to AutoSelect=0 if -PreferredEncoding or -FullColor is used
-    if (::preferredEncoding.hasBeenSet() || ::fullColour.hasBeenSet() ||
-	::fullColourAlias.hasBeenSet()) {
-      ::autoSelect.setParam(false);
-    }
-  }
-  if (!::fullColour.hasBeenSet() && !::fullColourAlias.hasBeenSet()) {
-    // Default to FullColor=0 if AutoSelect=0 && LowColorLevel is set
-    if (!::autoSelect && (::lowColourLevel.hasBeenSet() ||
-                          ::lowColourLevelAlias.hasBeenSet())) {
-      ::fullColour.setParam(false);
-    }
-  }
-  if (!::customCompressLevel.hasBeenSet()) {
-    // Default to CustomCompressLevel=1 if CompressLevel is used.
-    if(::compressLevel.hasBeenSet()) {
-      ::customCompressLevel.setParam(true);
-    }
-  }
-
   mkvnchomedir();
 
   CSecurity::upg = &dlg;