--- a/edgui.cpp	Fri Oct 19 15:56:59 2012 +0300
+++ b/edgui.cpp	Fri Oct 19 16:28:06 2012 +0300
@@ -26,15 +26,14 @@
     else
         name = currTimeline->filename;
 
-    if (changed)
+    if (currTimeline && currTimeline->touched())
         name = "*" + name;
     
     setWindowTitle(name + " - " + QCoreApplication::applicationName());
 
     // Enable menu items based on states
-    menuActSave->setEnabled(currTimeline->changed || changed);
-    menuActSaveAs->setEnabled(currTimeline->changed || changed);
-
+    menuActSave->setEnabled(currTimeline != NULL&& currTimeline->touched());
+    menuActSaveAs->setEnabled(currTimeline != NULL);
     
     // Enable undo/redo items and set their texts based on history status
     int historyLevels = undoHistory.size();
@@ -43,7 +42,7 @@
     
     if (undoHistoryPos >= 0 && undoHistoryPos < historyLevels)
     {
-        itemText = " " + undoHistory.at(undoHistoryPos)->state;
+        itemText = " " + undoHistory.at(undoHistoryPos)->state();
         itemEnabled = true;
     }
     else
@@ -57,7 +56,7 @@
 
     if (undoHistoryPos > 0 && historyLevels > 0)
     {
-        itemText = " " + undoHistory.at(undoHistoryPos - 1)->state;
+        itemText = " " + undoHistory.at(undoHistoryPos - 1)->state();
         itemEnabled = true;
     }
     else
@@ -121,7 +120,7 @@
 {
     bool okToCreate = true;
 
-    if (changed)
+    if (currTimeline != NULL && currTimeline->touched())
     {
         okToCreate = false;
         switch (showDocumentModifiedDialog())
@@ -132,7 +131,7 @@
             
             case QMessageBox::Save:
                 actionFileSave();
-                if (!changed)
+                if (!currTimeline->touched())
                 {
                     QMessageBox::information(this, 
                         "Document saved",
@@ -156,7 +155,7 @@
 {
     bool okToOpen = true;
 
-    if (changed)
+    if (currTimeline != NULL && currTimeline->touched())
     {
         okToOpen = false;
 
@@ -168,7 +167,7 @@
             
             case QMessageBox::Save:
                 actionFileSave();
-                if (!changed)
+                if (!currTimeline->touched())
                 {
                     QMessageBox::information(this, 
                         "Document saved",
@@ -241,7 +240,7 @@
 {
     bool okToClose = true;
 
-    if (changed)
+    if (currTimeline && currTimeline->touched())
     {
         okToClose = false;
         switch (showDocumentModifiedDialog())
@@ -252,7 +251,7 @@
             
             case QMessageBox::Save:
                 actionFileSave();
-                if (!changed)
+                if (!currTimeline->touched())
                     okToClose = true;
                 break;