Sets the tool palette as a drag source. Enables all groups and items in the tool palette as drag sources on button 1 and button 3 press with copy and move actions. See gtk.widget.Widget.dragSourceSet.
the #GtkToolPaletteDragTargets which the widget should support
Sets the tool palette as a drag source. Enables all groups and items in the tool palette as drag sources on button 1 and button 3 press with copy and move actions. See gtk.widget.Widget.dragSourceSet.