@@ -260,7 +260,7 @@ new_width = m_theme->font().textWidth(text.c_str(), text.size());
     translateSize(orientation(), new_width, new_height);
     if (new_width != m_button.width() || new_height != m_button.height()) {
         resize(new_width, new_height);
-        resizeSig().notify();
+        resizeSig().emit();
     }
 
 }
@@ -305,7 +305,7 @@ 
         unsigned int new_width = m_theme->font().textWidth(time_string, time_string_len) + 2;
         if (new_width > m_button.width()) {
             resize(new_width, m_button.height());
-            resizeSig().notify();
+            resizeSig().emit();
         }
 #else // dont have strftime so we have to set it to hour:minut
         //        sprintf(time_string, "%d:%d", );

@@ -246,7 +246,7 @@ height != m_window.height()) {
         m_window.resize(width, height);
         if (m_num_visible_clients)
             rearrangeClients();
-        resizeSig().notify();
+        resizeSig().emit();
     }
 }
 
@@ -257,7 +257,7 @@ height != m_window.height()) {
         m_window.moveResize(x, y, width, height);
         if (m_num_visible_clients)
             rearrangeClients();
-        resizeSig().notify();
+        resizeSig().emit();
     } else {
         move(x, y);
     }
@@ -435,7 +435,7 @@ // this was why gaim wasn't centring the icon
                 (*it)->sendConfigureNotify(0, 0, (*it)->width(), (*it)->height());
                 // so toolbar know that we changed size
                 // done inside this loop, because otherwise we can get into nasty looping
-                resizeSig().notify();
+                resizeSig().emit();
             }
         }
 

@@ -51,7 +51,6 @@ #include "FbTk/Transparent.hh"
 #include "FbTk/BoolMenuItem.hh"
 #include "FbTk/IntMenuItem.hh"
 #include "FbTk/Shape.hh"
-#include "FbTk/SimpleObserver.hh"
 #include "FbTk/MemFun.hh"
 #include "FbTk/STLUtil.hh"
 #include "FbTk/Util.hh"
@@ -227,8 +226,6 @@ scrn.name() + ".toolbar.tools", scrn.altName() + ".Toolbar.Tools"),
     m_shape(new FbTk::Shape(frame.window, 0)),
     m_resize_lock(false) {
     _FB_USES_NLS;
-    // NOTE: first subject is always the rearrangeItem !
-    m_observers.push_back(makeObserver(*this, &Toolbar::rearrangeItems));
 
     // get this on antialias change
     m_signal_tracker.join(screen().reconfigureSig(),
@@ -425,9 +422,8 @@ ToolbarItem *item = m_tool_factory.create(*item_it, frame.window, *this);
                 if (item == 0)
                     continue;
                 m_item_list.push_back(item);
-                // attach to first observer ( which must be rearrangeItems )
-                item->resizeSig().attach(m_observers[0]);
-
+                m_signal_tracker.join(item->resizeSig(),
+                        FbTk::MemFun(*this, &Toolbar::rearrangeItems));
             }
             // show all items
             frame.window.showSubwindows();

@@ -197,8 +197,6 @@ typedef std::list<std::string> StringList;
     StringList m_tools;
 
     bool m_resize_lock; ///< to lock rearrangeItems or not
-    /// observers for various signals
-    std::vector<FbTk::Observer*> m_observers;
     FbTk::SignalTracker m_signal_tracker;
 };
 

@@ -23,7 +23,7 @@ 
 #ifndef TOOLBARITEM_HH
 #define TOOLBARITEM_HH
 
-#include "FbTk/Subject.hh"
+#include "FbTk/Signal.hh"
 #include "FbTk/Orientation.hh"
 
 /// An item in the toolbar that has either fixed or relative size to the toolbar
@@ -62,7 +62,7 @@ 
     // just update theme items that affect the size
     virtual void updateSizing() = 0;
 
-    FbTk::Subject &resizeSig() { return m_resize_sig; }
+    FbTk::Signal<> &resizeSig() { return m_resize_sig; }
 
     void setType(Type type) { m_type = type; }
     Type type() const { return m_type; }
@@ -70,14 +70,12 @@ 
     FbTk::Orientation orientation() const { return m_orientation; }
     virtual void setOrientation(FbTk::Orientation orient) { m_orientation = orient; }
 
-    class ToolbarItemSubject : public FbTk::Subject {};
-
 private:
     Type m_type;
 
     FbTk::Orientation m_orientation;
 
-    ToolbarItemSubject m_resize_sig;
+    FbTk::Signal<> m_resize_sig;
 };
 
 #endif // TOOLBARITEM_HH

@@ -74,7 +74,7 @@ void WorkspaceNameTool::update() {
     m_button.setText(m_screen.currentWorkspace()->name());
     if (m_button.width() != width()) {
         resize(width(), height());
-        resizeSig().notify();
+        resizeSig().emit();
     }
     reRender();
     m_button.clear();