Multiple subwindows interface

Subwindows are similar to tab groups.
- Rewrote Browser and MainWindow, so they should be somewhat cleaner now
- Moved AboutDialog to lib/about

What's broken:
- loading bar
- search box
- address bar bookmark suggestions
- plugins

2 files changed, 1 insertions, 9 deletions

diff --git a/lib/bookmarks/bookmarkswidget.cpp b/lib/bookmarks/bookmarkswidget.cpp
index 2c89dd4..733c0ef 100644
--- a/lib/bookmarks/bookmarkswidget.cpp
+++ b/lib/bookmarks/bookmarkswidget.cpp
@@ -128,8 +128,3 @@ void BookmarksWidget::save()
         bookmarksFile.close();
     }
 }
-
-void BookmarksWidget::closeOthers()
-{
-    emit closeOthersSignal();
-}
diff --git a/lib/bookmarks/bookmarkswidget.h b/lib/bookmarks/bookmarkswidget.h
index f2188d2..df39e1c 100644
--- a/lib/bookmarks/bookmarkswidget.h
+++ b/lib/bookmarks/bookmarkswidget.h
@@ -24,17 +24,14 @@ class BookmarksWidget : public QWidget
     Q_OBJECT
 
 public:
-    explicit BookmarksWidget(const QString &path, QWidget *parent = 0);
+    explicit BookmarksWidget(const QString &path, QWidget *parent = nullptr);
     ~BookmarksWidget() override;
     BookmarksView *model() const;
 
     void save();
 
-    void closeOthers();
-
 signals:
     void openUrl(const QUrl &url);
-    void closeOthersSignal();
 
 private:
     Ui::BookmarksDialog *ui;