2 files changed, 31 insertions, 0 deletions

diff --git a/src/FbTk/MacroCommand.cc b/src/FbTk/MacroCommand.cc
index adee9cb..491b01e 100644
--- a/src/FbTk/MacroCommand.cc
+++ b/src/FbTk/MacroCommand.cc
@@ -38,6 +38,24 @@ void MacroCommand::execute() {
         m_commandlist[i]->execute();
 }
 
+ToggleCommand::ToggleCommand() {
+    m_state = 0;
+}
+
+void ToggleCommand::add(RefCount<Command> &com) {
+    m_commandlist.push_back(com);
+}
+
+size_t ToggleCommand::size() const {
+    return m_commandlist.size();
+}
+
+void ToggleCommand::execute() {
+    m_commandlist[m_state]->execute();
+    if (++m_state >= m_commandlist.size())
+        m_state = 0;
+}
+
 }; // end namespace FbTk
 
 
diff --git a/src/FbTk/MacroCommand.hh b/src/FbTk/MacroCommand.hh
index f29e05c..7aa9d66 100644
--- a/src/FbTk/MacroCommand.hh
+++ b/src/FbTk/MacroCommand.hh
@@ -42,6 +42,19 @@ private:
     std::vector<RefCount<Command> > m_commandlist;
 };
 
+/// executes one command at a time
+class ToggleCommand:public Command {
+public:
+    ToggleCommand();
+    void add(RefCount<Command> &com);
+    size_t size() const;
+    virtual void execute();
+
+private:
+    std::vector<RefCount<Command> > m_commandlist;
+    size_t m_state;
+};
+
 } // end namespace FbTk
 
 #endif // FBTK_MACROCOMMAND_HH