4 files changed, 9 insertions, 5 deletions
diff --git a/src/gui/conversation.cc b/src/gui/conversation.cc
index 5d3fda7a..ccb20b9a 100644
--- a/src/gui/conversation.cc
+++ b/src/gui/conversation.cc
@@ -272,7 +272,7 @@ namespace OpenAxiom {
    // Set a minimum preferred widget size, so no layout manager
    // messes with it.  Indicate we can make use of more space.
    Conversation::Conversation(Debate& parent)
-         : group(parent), greatings(this), cur_ex(), cur_out(&greatings) {
+         : group(&parent), greatings(this), cur_ex(), cur_out(&greatings) {
       setFont(monospace_font());
       setBackgroundRole(QPalette::Base);
       greatings.setFont(font());
diff --git a/src/gui/conversation.h b/src/gui/conversation.h
index 31883a8f..2698c199 100644
--- a/src/gui/conversation.h
+++ b/src/gui/conversation.h
@@ -184,7 +184,7 @@ namespace OpenAxiom {
       Exchange* exchange() { return cur_ex; }
       
       // Return the parent engine widget.
-      Debate* debate() const { return const_cast<Debate*>(&group); }
+      Debate* debate() const { return group; }
 
       void submit_query(const QString&);
 
@@ -201,7 +201,7 @@ namespace OpenAxiom {
 
    private:
       typedef std::vector<Exchange*> Children;
-      Debate& group;
+      Debate* group;
       Banner greatings;
       Children children;
       QProcess proc;
diff --git a/src/gui/debate.cc b/src/gui/debate.cc
index efa3bb3d..51a5eb69 100644
--- a/src/gui/debate.cc
+++ b/src/gui/debate.cc
@@ -50,7 +50,7 @@ namespace OpenAxiom {
       conv->submit_query("");
    }
 
-  Debate::Debate(QWidget* parent, Command& cmd)
+  Debate::Debate(QTabWidget* parent, Command& cmd)
         : QScrollArea(parent), conv(*this) {
       setWidget(&conv);
       setViewportMargins(0, 0, 0, 0);
diff --git a/src/gui/debate.h b/src/gui/debate.h
index 35463fcc..fd69bfbf 100644
--- a/src/gui/debate.h
+++ b/src/gui/debate.h
@@ -38,16 +38,20 @@
 #include <QResizeEvent>
 #include "open-axiom.h"
 #include "conversation.h"
+#include "main-window.h"
 
 namespace OpenAxiom {
    
    class Debate : public QScrollArea {
       Q_OBJECT;
    public:
-     explicit Debate(QWidget*, Command&);
+     explicit Debate(QTabWidget*, Command&);
       ~Debate();
 
       Conversation* exchanges() { return &conv; }
+      MainWindow* main_window() const {
+         return qobject_cast<MainWindow*>(parent()->parent());
+      }
 
    protected:
       void resizeEvent(QResizeEvent*);