Pass the new signals on from Picmi

Nice to see that connecting signals to signals is also possible.
schuay · Jul 23, 2012 · ea57b30 · ea57b30
1 parent 2b737e3
commit ea57b30
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diff --git a/src/logic/picmi.cpp b/src/logic/picmi.cpp
@@ -120,6 +120,8 @@ Picmi::Picmi()
     }
 
     m_timer.start();
+
+    setupSlots();
 }
 
 Picmi::Picmi(QSharedPointer<BoardMap> board) {
@@ -128,6 +130,14 @@ Picmi::Picmi(QSharedPointer<BoardMap> board) {
     m_streaks = QSharedPointer<Streaks>(new Streaks(m_map, m_state));
     m_io_handler = QSharedPointer<IOHandler>(new IOHandlerNoHints(m_map.data(), m_state.data(), &m_timer));
     m_timer.start();
+
+    setupSlots();
+}
+
+void Picmi::setupSlots()
+{
+    connect(m_state.data(), SIGNAL(undoStackSizeChanged(int)), this, SIGNAL(undoStackSizeChanged(int)));
+    connect(m_state.data(), SIGNAL(saveStackSizeChanged(int)), this, SIGNAL(saveStackSizeChanged(int)));
 }
 
 bool Picmi::won() const {

diff --git a/src/logic/picmi.h b/src/logic/picmi.h
@@ -85,13 +85,23 @@ class Picmi : public QObject
 
 signals:
     void gameWon();
+
+    /**
+     * Emitted whenever the board state has changed (i.e. by undoing an action,
+     * setting a state explicitly, or loading a saved state).
+     */
     void stateChanged();
 
+    void undoStackSizeChanged(int size);
+    void saveStackSizeChanged(int size);
+
 private:
 
     /* returns true if the game has been won */
     bool won() const;
 
+    void setupSlots();
+
 private:
     QSharedPointer<BoardMap> m_map;
     QSharedPointer<BoardState> m_state;