Get this code building and linking again after the Enable changes and the -symbolic changes.

widget/src/gtk2/Makefile.in

@@ -55,7 +55,12 @@ CPPSRCS		= \
 
 SHARED_LIBRARY_LIBS = $(DIST)/lib/libxpwidgets_s.a
 
-EXTRA_DSO_LDOPTS += $(MOZ_GTK2_LIBS)
+EXTRA_DSO_LDOPTS += \
+		$(MOZ_COMPONENT_LIBS) \
+		-lgkgfx \
+		$(XLDFLAGS) \
+		$(XLIBS) \
+		$(MOZ_GTK2_LIBS)
 
 EXPORTS		= \
 		mozdrawingarea.h \

widget/src/gtk2/nsCommonWidget.cpp

@@ -48,6 +48,7 @@ nsCommonWidget::nsCommonWidget()
   mListenForResizes = PR_FALSE;
   mIsShown          = PR_FALSE;
   mNeedsShow        = PR_FALSE;
+  mEnabled          = PR_TRUE;
 
   mPreferredWidth   = 0;
   mPreferredHeight  = 0;
@@ -458,6 +459,22 @@ nsCommonWidget::SetPreferredSize(PRInt32 aWidth,
   return NS_OK;
 }
 
+NS_IMETHODIMP
+nsCommonWidget::Enable(PRBool aState)
+{
+  mEnabled = aState;
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsCommonWidget::IsEnabled(PRBool *aState)
+{
+  *aState = mEnabled;
+
+  return NS_OK;
+}
+
 void
 nsCommonWidget::OnDestroy(void)
 {

widget/src/gtk2/nsCommonWidget.h

@@ -109,6 +109,8 @@ class nsCommonWidget : public nsBaseWidget {
 				       PRInt32 &aHeight);
   NS_IMETHOD         SetPreferredSize (PRInt32 aWidth,
 				       PRInt32 aHeight);
+  NS_IMETHOD         Enable           (PRBool  aState);
+  NS_IMETHOD         IsEnabled        (PRBool *aState);
 
   // called when we are destroyed
   void OnDestroy(void);
@@ -131,6 +133,8 @@ class nsCommonWidget : public nsBaseWidget {
   // This flag tracks if we're hidden or shown.
   PRPackedBool        mIsShown;
   PRPackedBool        mNeedsShow;
+  // is this widget enabled?
+  PRBool              mEnabled;
 
   // Preferred sizes
   PRUint32            mPreferredWidth;