1 files changed, 58 insertions, 0 deletions
diff --git a/src/ui/view/view-widget.cpp b/src/ui/view/view-widget.cpp
new file mode 100644
index 0000000..2b749cc
--- /dev/null
+++ b/src/ui/view/view-widget.cpp
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Authors:
+ *   Lauris Kaplinski <lauris@kaplinski.com>
+ *   Ralf Stephan <ralf@ark.in-berlin.de>
+ *
+ * Copyright (C) 2001-2002 Lauris Kaplinski
+ * Copyright (C) 2001 Ximian, Inc.
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "view.h"
+#include "view-widget.h"
+
+/**
+ * Callback to disconnect from view and destroy SPViewWidget.
+ *
+ * Apparently, this gets only called when a desktop is closed, but then twice!
+ */
+void SPViewWidget::on_unrealize()
+{
+    SPViewWidget *vw = this;
+
+    if (vw->view) {
+        vw->view->close();
+        Inkscape::GC::release(vw->view);
+        vw->view = nullptr;
+    }
+
+    parent_type::on_unrealize();
+
+    Inkscape::GC::request_early_collection();
+}
+
+void SPViewWidget::setView(view_type *view)
+{
+    auto vw = this;
+    g_return_if_fail(view != nullptr);
+    
+    g_return_if_fail(vw->view == nullptr);
+    
+    vw->view = view;
+    Inkscape::GC::anchor(view);
+}
+
+
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :