fixed two issues where actions would not be updated correctly

src/document/UBDocumentController.cpp

@@ -1592,7 +1592,7 @@ void UBDocumentTreeView::dropEvent(QDropEvent *event)
 
     QTreeView::dropEvent(event);
 
-    UBApplication::documentController->updateActions();
+    UBApplication::documentController->pageSelectionChanged();
 }
 
 void UBDocumentTreeView::paintEvent(QPaintEvent *event)
@@ -2445,8 +2445,6 @@ void UBDocumentController::deleteSelectedItem()
     }
 
     pageSelectionChanged();
-
-    updateActions();
 }
 
 void UBDocumentController::deleteMultipleItems(QModelIndexList indexes, UBDocumentTreeModel* docModel)

src/document/UBDocumentController.h

@@ -492,7 +492,6 @@ class UBDocumentController : public UBDocumentContainer
         void copy();
         void paste();
         void focusChanged(QWidget *old, QWidget *current);
-        void updateActions();
         void updateExportSubActions(const QModelIndex &selectedIndex);
         void currentIndexMoved(const QModelIndex &newIndex, const QModelIndex &PreviousIndex);
 
@@ -551,6 +550,8 @@ protected:
         void TreeViewSelectionChanged(const QModelIndex &current, const QModelIndex &previous);
         void TreeViewSelectionChanged(const QItemSelection &selected, const QItemSelection &deselected);
 
+        void pageSelectionChanged();
+
    private slots:
         void documentZoomSliderValueChanged (int value);
         void itemSelectionChanged(LastSelectedElementType newSelection);
@@ -558,7 +559,7 @@ protected:
         void exportDocumentSet();
 
         void thumbnailViewResized();
-        void pageSelectionChanged();
+        void updateActions();
 
         void documentSceneChanged(UBDocumentProxy* proxy, int pSceneIndex);
 

src/gui/UBDocumentThumbnailWidget.cpp

@@ -58,7 +58,6 @@ UBDocumentThumbnailWidget::~UBDocumentThumbnailWidget()
     // NOOP
 }
 
-
 void UBDocumentThumbnailWidget::mouseMoveEvent(QMouseEvent *event)
 {
     if (!dragEnabled())

src/gui/UBThumbnailWidget.cpp

@@ -315,7 +315,6 @@ void UBThumbnailWidget::mousePressEvent(QMouseEvent *event)
                 }
                 mSelectionSpan = index2 - index1;
                 selectItems(qMin(index1, index2), mSelectionSpan < 0 ? - mSelectionSpan + 1 : mSelectionSpan + 1);
-                return;
             }
         }
     }
@@ -334,8 +333,9 @@ void UBThumbnailWidget::mousePressEvent(QMouseEvent *event)
         if (!mLastSelectedThumbnail && mGraphicItems.count() > 0)
             mLastSelectedThumbnail = dynamic_cast<UBThumbnail*>(mGraphicItems.at(0));
         mSelectionSpan = 0;
-        return;
     }
+
+    UBApplication::documentController->pageSelectionChanged();
 }