added dnd for 'from' list

src/controller/ChangeView.py

@@ -3,7 +3,8 @@
 # Lib imports
 import gi
 gi.require_version('Gtk', '3.0')
-from gi.repository import Gtk
+gi.require_version('Gdk', '3.0')
+from gi.repository import Gtk, Gdk
 
 # Application imports
 from mixins import CommonActionsMixin
@@ -26,6 +27,15 @@ class ChangeView(Gtk.Box, CommonActionsMixin):
         from_container.set_orientation(1)
         to_container.set_orientation(1)
 
+        fchild = from_scroll_vw.get_children()[0]
+        fchild.connect("drag-data-received", self._on_drag_data_received)
+        URI_TARGET_TYPE  = 80
+        uri_target       = Gtk.TargetEntry.new('text/uri-list', Gtk.TargetFlags(0), URI_TARGET_TYPE)
+        targets          = [ uri_target ]
+        action           = Gdk.DragAction.COPY
+        fchild.enable_model_drag_dest(targets, action)
+        fchild.enable_model_drag_source(0, targets, action)
+
         self.set_spacing(20)
         self.set_border_width(2)
         self.set_homogeneous(True)
@@ -33,6 +43,12 @@ class ChangeView(Gtk.Box, CommonActionsMixin):
         self.add(to_container)
         self.show_all()
 
+    def _on_drag_data_received(self, widget, drag_context, x, y, data, info, time):
+        if info == 80:
+            uri = data.get_uris()[0].split("file://")[1]
+            event_system.set_active_path(uri)
+
+
 
     def update_from_list(self):
         if event_system.block_from_update: