qtui: Use bold font for currently playing song

Suggested in #979.

Author: radioactiveman

src/qtui/playlist-qt.cc

@@ -38,6 +38,8 @@ PlaylistWidget::PlaylistWidget(QWidget * parent, Playlist playlist)
       model(new PlaylistModel(this, playlist)),
       proxyModel(new PlaylistProxyModel(this, playlist))
 {
+    model->setFont(font());
+
     /* setting up filtering model */
     proxyModel->setSourceModel(model);
 
@@ -126,6 +128,14 @@ void PlaylistWidget::activate(const QModelIndex & index)
     }
 }
 
+void PlaylistWidget::changeEvent(QEvent * event)
+{
+    if (event->type() == QEvent::FontChange)
+        model->setFont(font());
+
+    audqt::TreeView::changeEvent(event);
+}
+
 void PlaylistWidget::contextMenuEvent(QContextMenuEvent * event)
 {
     if (contextMenu)

src/qtui/playlist-qt.h

@@ -70,6 +70,7 @@ class PlaylistWidget : public audqt::TreeView
     void updateSelection(int rowsBefore, int rowsAfter);
 
     void activate(const QModelIndex & index);
+    void changeEvent(QEvent * event);
     void contextMenuEvent(QContextMenuEvent * event);
     void keyPressEvent(QKeyEvent * event);
     void mouseMoveEvent(QMouseEvent * event);

src/qtui/playlist_model.cc

@@ -64,6 +64,12 @@ int PlaylistModel::columnCount(const QModelIndex & parent) const
     return 1 + n_cols;
 }
 
+void PlaylistModel::setFont(const QFont & font)
+{
+    m_bold = font;
+    m_bold.setBold(true);
+}
+
 QVariant PlaylistModel::alignment(int col) const
 {
     switch (col)
@@ -121,6 +127,11 @@ QVariant PlaylistModel::data(const QModelIndex & index, int role) const
             return QString("%1").arg(val);
         }
 
+    case Qt::FontRole:
+        if (index.row() == m_playlist.get_position())
+            return m_bold;
+        break;
+
     case Qt::TextAlignmentRole:
         return alignment(col);
 

src/qtui/playlist_model.h

@@ -70,9 +70,12 @@ class PlaylistModel : public QAbstractListModel
     void entriesRemoved(int row, int count);
     void entriesChanged(int row, int count);
 
+    void setFont(const QFont & font);
+
 private:
     Playlist m_playlist;
     int m_rows;
+    QFont m_bold;
 
     QVariant alignment(int col) const;
     QString queuePos(int row) const;