1 files changed, 11 insertions, 1 deletions

diff --git a/noncore/graphics/drawpad/drawpadcanvas.h b/noncore/graphics/drawpad/drawpadcanvas.h
index 2ec9298..eddcb43 100644
--- a/noncore/graphics/drawpad/drawpadcanvas.h
+++ b/noncore/graphics/drawpad/drawpadcanvas.h
@@ -36,2 +36,4 @@ public:
 
+    bool undoEnabled();
+    bool redoEnabled();
     bool goPreviousPageEnabled();
@@ -47,2 +49,5 @@ public slots:
 
+    void undo();
+    void redo();
+
     void goFirstPage();
@@ -52,2 +57,6 @@ public slots:
 
+signals:
+    void pagesChanged();
+    void pageBackupsChanged();
+
 protected:
@@ -61,3 +70,4 @@ private:
     DrawPad* m_pDrawPad;
-    QList<QPixmap> m_buffers;
+    QList<QPixmap> m_pages;
+    QList<QPixmap> m_pageBackups;
 };