You can use [gtk.drag_source.DragSource] to implement a drag source
gtk.tree_drag_source_mixin
Module for [TreeDragSource] interface mixin
Templates 2
Interface for Drag-and-Drop destinations in [gtk.tree_view.TreeView].
Deprecated
Asks the [gtk.tree_drag_source.TreeDragSource] to delete the row at path, because it was moved somewhere else via drag-and-drop. Returns false if the deletion fails because path no longer exists, or for some model-specific reason. Should robustly handle a path no longer found in the model!
Parameters
path | row that was being dragged |
Returns
Deprecated
Asks the [gtk.tree_drag_source.TreeDragSource] to return a [gdk.content_provider.ContentProvider] representing the row at path. Should robustly handle a path no longer found in the model!
Parameters
path | row that was dragged |
Returns
given path
Deprecated
Asks the [gtk.tree_drag_source.TreeDragSource] whether a particular row can be used as the source of a DND operation. If the source doesn’t implement this interface, the row is assumed draggable.
Parameters
path | row on which user is initiating a drag |