Fixed handling of selection dragging in resource editor

When dragging the mouse to select an item that is not currently visible,
the ResourceView was not making the selected item visible. This was due
to an unnecessary reimplementation the protected currentChanged slot.

Reviewed-by: owolff

src/shared/qrceditor/qrceditor.cpp

@@ -61,7 +61,8 @@ QrcEditor::QrcEditor(QWidget *parent)
     connect(m_treeview, SIGNAL(addPrefixTriggered()), this, SLOT(onAddPrefix()));
     connect(m_treeview, SIGNAL(addFilesTriggered(QString)), this, SLOT(onAddFiles()));
     connect(m_treeview, SIGNAL(removeItem()), this, SLOT(onRemove()));
-    connect(m_treeview, SIGNAL(currentIndexChanged()), this, SLOT(updateCurrent()));
+    connect(m_treeview->selectionModel(), SIGNAL(currentChanged(QModelIndex,QModelIndex)),
+            this, SLOT(updateCurrent()));
     connect(m_treeview, SIGNAL(dirtyChanged(bool)), this, SIGNAL(dirtyChanged(bool)));
     m_treeview->setFocus();
 

src/shared/qrceditor/resourceview.cpp

@@ -203,13 +203,6 @@ ResourceView::~ResourceView()
 {
 }
 
-void ResourceView::currentChanged(const QModelIndex &current, const QModelIndex &previous)
-{
-    Q_UNUSED(current)
-    Q_UNUSED(previous)
-    emit currentIndexChanged();
-}
-
 bool ResourceView::isDirty() const
 {
     return m_qrcModel->dirty();

src/shared/qrceditor/resourceview.h

@@ -139,14 +139,10 @@ protected:
 signals:
     void removeItem();
     void dirtyChanged(bool b);
-    void currentIndexChanged();
 
     void addFilesTriggered(const QString &prefix);
     void addPrefixTriggered();
 
-protected slots:
-    void currentChanged(const QModelIndex &current, const QModelIndex &previous);
-
 private slots:
     void onEditAlias();
     void onEditPrefix();