improvements on the document mode behavior

src/document/UBDocumentContainer.h

@@ -46,7 +46,15 @@ class UBDocumentContainer : public QObject
 
         UBDocumentProxy* selectedDocument(){return mCurrentDocument;}
         int pageCount(){return mCurrentDocument->pageCount();}
-        const QPixmap* pageAt(int index){return mDocumentThumbs[index];}
+        const QPixmap* pageAt(int index)
+        {
+            if (index < mDocumentThumbs.size())
+                return mDocumentThumbs[index];
+            else
+            {
+                return NULL;
+            }
+        }
 
         static int pageFromSceneIndex(int sceneIndex);
         static int sceneIndexFromPage(int sceneIndex);

src/document/UBDocumentController.h

@@ -111,7 +111,14 @@ public:
     void removeChild(int index);
     UBDocumentProxy *proxyData() const {return mProxy;}
     bool isRoot() {return !mParent;}
-    bool isTopLevel() {return mParent && !mParent->mParent;}
+    bool isTopLevel()
+    {
+        if (mParent)
+        {
+            return !mParent->mParent;
+        }
+        else return false;
+    }
     UBDocumentTreeNode *clone();
     QString dirPathInHierarchy();
 
@@ -216,7 +223,7 @@ public:
 
     QPersistentModelIndex myDocumentsIndex() const {return mMyDocuments;}
     QPersistentModelIndex trashIndex() const {return mTrash;}
-    QPersistentModelIndex untitledDocumentsIndex() const {return mUntitledDocuments;}
+    QPersistentModelIndex untitledDocumentsIndex() const {return mMyDocuments;}
     UBDocumentTreeNode *nodeFromIndex(const QModelIndex &pIndex) const;
     static bool nodeLessThan(const UBDocumentTreeNode *firstIndex, const UBDocumentTreeNode *secondIndex);
     void setHighLighted(const QModelIndex &newHighLighted) {mHighLighted = newHighLighted;}

src/document/UBDocumentProxy.cpp

@@ -42,6 +42,7 @@
 UBDocumentProxy::UBDocumentProxy()
     : mPageCount(0)
     , mPageDpi(0)
+    , mPersistencePath("")
 {
     init();
 }

src/gui/UBDocumentNavigator.cpp

@@ -127,7 +127,7 @@ void UBDocumentNavigator::generateThumbnails(UBDocumentContainer* source)
     {
         //claudio This is a very bad hack and shows a architectural problem
         // source->selectedDocument()->pageCount()  !=   source->pageCount()
-        if(i>=source->pageCount() || source->pageAt(i)->isNull())
+        if(i>=source->pageCount() || !source->pageAt(i))
             source->insertThumbPage(i);
 
         const QPixmap* pix = source->pageAt(i);