fixes for drag-n-drop broken by use of boost::shared_ptr<T>

[ardour.git] / libs / gtkmm2ext / dndtreeview.cc

diff --git a/libs/gtkmm2ext/dndtreeview.cc b/libs/gtkmm2ext/dndtreeview.cc
index 83955861cfec9e1364a66e64a0bd743e9f31b274..7baedd41212d6ec848e6f437fb35fbd002ab8528 100644 (file)
--- a/libs/gtkmm2ext/dndtreeview.cc
+++ b/libs/gtkmm2ext/dndtreeview.cc
@@ -10,7 +10,7 @@ using namespace Gtk;
 using namespace Glib;
 using namespace Gtkmm2ext;
 
-DnDTreeView::DnDTreeView ()
+DnDTreeViewBase::DnDTreeViewBase ()
        : TreeView ()
 {
        draggable.push_back (TargetEntry ("GTK_TREE_MODEL_ROW", TARGET_SAME_WIDGET));
@@ -23,7 +23,7 @@ DnDTreeView::DnDTreeView ()
 }
 
 void
-DnDTreeView::add_drop_targets (list<TargetEntry>& targets)
+DnDTreeViewBase::add_drop_targets (list<TargetEntry>& targets)
 {
        for (list<TargetEntry>::iterator i = targets.begin(); i != targets.end(); ++i) {
                draggable.push_back (*i);
@@ -33,7 +33,7 @@ DnDTreeView::add_drop_targets (list<TargetEntry>& targets)
 }      
 
 void
-DnDTreeView::add_object_drag (int column, string type_name)
+DnDTreeViewBase::add_object_drag (int column, string type_name)
 {
        draggable.push_back (TargetEntry (type_name, TargetFlags(0)));
        data_column = column;
@@ -42,86 +42,11 @@ DnDTreeView::add_object_drag (int column, string type_name)
        enable_model_drag_dest (draggable);
 }
 
-DnDTreeView::SerializedObjectPointers* 
-DnDTreeView::serialize_pointers (RefPtr<TreeModel> model, TreeSelection::ListHandle_Path* selection, ustring type)
-{
-       uint32_t cnt = selection->size();
-       uint32_t sz = (sizeof (void*) * cnt) + sizeof (SerializedObjectPointers);
-
-       cerr << "lets plan to serialize " << cnt << " from selection\n";
-
-       char* buf = new char[sz];
-       SerializedObjectPointers* sr = new (buf) SerializedObjectPointers;
-       
-       sr->cnt = cnt;
-       sr->size = sz;
-
-       snprintf (sr->type, sizeof (sr->type), "%s", type.c_str());
-
-       cnt = 0;
-
-       for (TreeSelection::ListHandle_Path::iterator x = selection->begin(); x != selection->end(); ++x, ++cnt) {
-               cerr << "getting next item\n";
-               TreeModel::Row row = *(model->get_iter (*x));
-               row.get_value (data_column, sr->ptr[cnt]);
-       }
-
-       cerr << "returning an SR with size = " << sr->size << endl;
-       return sr;
-}
-
-void
-DnDTreeView::on_drag_data_get(const RefPtr<DragContext>& context, SelectionData& selection_data, guint info, guint time)
-{
-       if (selection_data.get_target() == "GTK_TREE_MODEL_ROW") {
-
-               TreeView::on_drag_data_get (context, selection_data, info, time);
-               
-       } else if (data_column >= 0) {
-               
-               Gtk::TreeSelection::ListHandle_Path selection = get_selection()->get_selected_rows ();
-               SerializedObjectPointers* sr = serialize_pointers (get_model(), &selection, selection_data.get_target());
-               selection_data.set (8, (guchar*)sr, sr->size);
-               
-               cerr << "selection data set to contain " << sr->size << endl;
-       }
-}
-
-void 
-DnDTreeView::on_drag_data_received(const RefPtr<DragContext>& context, int x, int y, const SelectionData& selection_data, guint info, guint time)
-{
-       if (suggested_action) {
-               /* this is a drag motion callback. just update the status to
-                  say that we are still dragging, and that's it.
-               */
-               suggested_action = Gdk::DragAction (0);
-               TreeView::on_drag_data_received (context, x, y, selection_data, info, time);
-               return;
-       }
-
-       if (selection_data.get_target() == "GTK_TREE_MODEL_ROW") {
-               
-               TreeView::on_drag_data_received (context, x, y, selection_data, info, time);
-               
-       } else if (data_column >= 0) {
-
-               /* object D-n-D */
-               
-               const SerializedObjectPointers* sr = reinterpret_cast<const SerializedObjectPointers *>(selection_data.get_data());
-               
-               if (sr) {
-                       signal_object_drop (sr->type, sr->cnt, const_cast<void**>(sr->ptr));
-               }
-
-       } else {
-               /* some kind of target type added by the app, which will be handled by a signal handler */
-       }
-}
-
 bool 
-DnDTreeView::on_drag_drop(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, guint time)
+DnDTreeViewBase::on_drag_drop(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, guint time)
 {
        suggested_action = Gdk::DragAction (0);
        return TreeView::on_drag_drop (context, x, y, time);
 }
 
+