Minor improvements to view

When an item is hovered, colour changes to grey.
Change cursor to HandPointer in treeview
Open book description when item is clicked
Increase description box width

resources/css/_contentManager.css

@@ -1,11 +1,11 @@
 QTreeView::branch:open:has-children {
     image: url(:/icons/caret-down-solid.svg);
-    margin: 7px;
+    padding: 6px;
 }
 
 QTreeView::branch:closed:has-children {
     image: url(:/icons/caret-right-solid.svg);
-    margin: 7px;
+    padding: 7px;
 }
 
 QTreeView::item:has-children {
@@ -18,6 +18,10 @@ QTreeView {
     border: none;
 }
 
+QTreeView::item:hover {
+    background-color: #eaecf0;
+}
+
 QHeaderView::section {
     color: #666666;
     background-color:  #fff;
@@ -38,12 +42,12 @@ QHeaderView::section:checked
 
 QHeaderView::down-arrow {
     image: url(:/icons/caret-down-solid.svg);
-    margin: 5px;
+    padding: 5px;
 }
 
 QHeaderView::up-arrow {
     image: url(:/icons/caret-up-solid.svg);
-    margin: 5px;
+    padding: 5px;
 }
 
 QMenu {

src/contentmanagerdelegate.cpp

@@ -165,7 +165,10 @@ void ContentManagerDelegate::paint(QPainter *painter, const QStyleOptionViewItem
     QStyleOptionViewItem eOpt = option;
     if (index.data(Qt::UserRole+1) != QVariant()) {
         // additional info role
-        QStyledItemDelegate::paint(painter, option, index);
+        QRect nRect = r;
+        auto viewWidth = KiwixApp::instance()->getContentManager()->getView()->getView()->width();
+        nRect.setWidth(viewWidth);
+        painter->drawText(nRect, Qt::AlignLeft | Qt::AlignVCenter, index.data(Qt::UserRole+1).toString());
         return;
     }
     if (index.column() == 5) {

src/contentmanagerview.cpp

@@ -14,6 +14,7 @@ ContentManagerView::ContentManagerView(QWidget *parent)
     QString styleSheet = QString(file.readAll());
     mp_ui->m_view->setStyleSheet(styleSheet);
     mp_ui->m_view->setContextMenuPolicy(Qt::CustomContextMenu);
+    mp_ui->m_view->setCursor(Qt::PointingHandCursor);
 
     auto searcher = mp_ui->searcher;
     searcher->setPlaceholderText(gt("search-files"));
@@ -25,6 +26,17 @@ ContentManagerView::ContentManagerView(QWidget *parent)
     connect(searcher, &QLineEdit::textChanged, [searcher](){
         KiwixApp::instance()->getContentManager()->setSearch(searcher->text());
     });
+    connect(mp_ui->m_view, &QTreeView::clicked, [=](QModelIndex index) {
+        if (index.column() == (mp_ui->m_view->model()->columnCount() - 1))
+            return;
+
+        auto zeroColIndex = index.siblingAtColumn(0);
+        if (mp_ui->m_view->isExpanded(zeroColIndex)) {
+            mp_ui->m_view->collapse(zeroColIndex);
+        } else {
+            mp_ui->m_view->expand(zeroColIndex);
+        }
+    });
 }
 
 ContentManagerView::~ContentManagerView()