Fix dots showing up in second column of the widget.

Since we use a two column model/treeview we need to prevent returning
some text data, otherwise we will see dots in the secound column. We also
need to emit pagesChanged once we init the model.

src/plugins/help/openpagesmanager.cpp

@@ -153,6 +153,8 @@ void OpenPagesManager::setupInitialPages()
 
     for (int i = 0; i < m_model->rowCount(); ++i)
         CentralWidget::instance()->addPage(m_model->pageAt(i));
+
+    emit pagesChanged();
     setCurrentPage(initialPage);
 }
 

src/plugins/help/openpagesmodel.cpp

@@ -39,20 +39,23 @@ OpenPagesModel::OpenPagesModel(QObject *parent)
 {
 }
 
-int OpenPagesModel::columnCount(const QModelIndex &/*parent*/) const
-{
-    return 2;
-}
-
 int OpenPagesModel::rowCount(const QModelIndex &parent) const
 {
     return  parent.isValid() ? 0 : m_pages.count();
 }
 
+int OpenPagesModel::columnCount(const QModelIndex &/*parent*/) const
+{
+    return 2;
+}
+
 QVariant OpenPagesModel::data(const QModelIndex &index, int role) const
 {
-    if (!index.isValid() || index.row() >= rowCount() || role != Qt::DisplayRole)
+    if (!index.isValid() || role != Qt::DisplayRole
+        || index.row() >= rowCount() || index.column() >= columnCount() - 1)
+
         return QVariant();
+
     QString title = m_pages.at(index.row())->title();
     title.replace(QLatin1Char('&'), QLatin1String("&&"));
     return title.isEmpty() ? tr("(Untitled)") : title;

src/plugins/help/openpagesmodel.h

@@ -46,8 +46,8 @@ class OpenPagesModel : public QAbstractTableModel
 public:
     OpenPagesModel(QObject *parent);
 
-    int columnCount(const QModelIndex &parent) const;
     int rowCount(const QModelIndex &parent = QModelIndex()) const;
+    int columnCount(const QModelIndex &parent = QModelIndex()) const;
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
 
     void addPage(const QUrl &url, qreal zoom = 0);

src/plugins/help/openpageswidget.cpp

@@ -98,7 +98,7 @@ OpenPagesWidget::OpenPagesWidget(OpenPagesModel *model)
     header()->setStretchLastSection(false);
     header()->setResizeMode(0, QHeaderView::Stretch);
     header()->setResizeMode(1, QHeaderView::Fixed);
-    header()->resizeSection(1, 16);
+    header()->resizeSection(1, 18);
 
     installEventFilter(this);
     setUniformRowHeights(true);