Added SimpleObserver class.

This class works in the same way as the SimpleCommand class.
Use it with the makeObserver function.
It calls the receiver's member function when the subject sends
a signal.

1 files changed, 18 insertions, 5 deletions

diff --git a/src/SendToMenu.hh b/src/SendToMenu.hh
index 7754987..0f668a9 100644
--- a/src/SendToMenu.hh
+++ b/src/SendToMenu.hh
@@ -1,5 +1,5 @@
 // SendToMenu.hh for Fluxbox
-// Copyright (c) 2003 - 2006 Henrik Kinnunen (fluxgen at fluxbox dot org)
+// Copyright (c) 2003 - 2008 Henrik Kinnunen (fluxgen at fluxbox dot org)
 //                and Simon Bowden    (rathnor at users.sourceforge.net)
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a
@@ -25,15 +25,28 @@
 
 #include "FbMenu.hh"
 
+namespace FbTk {
+class Observer;
+}
+
 class BScreen;
 
+/**
+ * Creates the "send to menu".
+ * Displays all the workspaces for which the current window can be sent to.
+ */
 class SendToMenu:public FbMenu {
 public:
-    explicit SendToMenu(BScreen &win);
-    virtual ~SendToMenu() { }
+    /// @param screen the screen on which this menu should be created on.
+    explicit SendToMenu(BScreen &screen);
+    virtual ~SendToMenu();
+    /// @see FbTk::Menu
     void show();
-protected:
-    void update(FbTk::Subject *subj);
+private:
+    /// Rebuild the menu from scratch.
+    void rebuildMenu();
+    /// listens to signals that makes this instance need to rebuild menu
+    FbTk::Observer *m_rebuildObs;
 };
 
 #endif // SENDTOMENU_HH