Re: [PyGObject] Drag & Drop in a TreeView

[<c buhtz posteo jp>]

I see attachments are removed
This is the code


#!/usr/bin/env python3
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
from gi.repository import Gdk


class MainWindow(Gtk.Window):

    def __init__(self):
        Gtk.Window.__init__(self, title="TreeView Drag and Drop")
        self.connect("delete-event", Gtk.main_quit)
        self.set_default_size(400, 300)

        # "model" with dummy data
        self.store = Gtk.TreeStore(str, str)
        for i in range(5):
            self.store.append(None, ['Item {}'.format(i),
        '{}'.format(i*100)]) # treeview
        self.view = Gtk.TreeView(model=self.store)
        self.add(self.view)

        # build columsn
        colA = Gtk.TreeViewColumn('Col A', Gtk.CellRendererText(),
        text=0) self.view.append_column(colA)
        colB = Gtk.TreeViewColumn('Col B', Gtk.CellRendererText(),
        text=1) self.view.append_column(colB)

        # DnD events
        self.view.connect("drag-begin", self.drag_begin)
        self.view.connect("drag-data-get", self.drag_data_get)
        self.view.connect("drag-drop", self.drag_drop)
        self.view.connect("drag-data-delete", self.drag_data_delete)
        self.view.connect("drag-data-received", self.drag_data_received)
        self.view.connect("drag-end", self.drag_end)

        target_entry = Gtk.TargetEntry.new('text/uri-list', 2, 0)
        self.view.enable_model_drag_source(Gdk.ModifierType.BUTTON1_MASK,
            [target_entry], Gdk.DragAction.DEFAULT|Gdk.DragAction.MOVE)
        self.view.enable_model_drag_dest([target_entry],
                Gdk.DragAction.DEFAULT|Gdk.DragAction.MOVE)

    def drag_begin(self, treeview, context):
        print('== Drag started')

    def drag_data_get(self, treeview, context, data, info, time):
        print('== Drag data requested by destination')

    def drag_drop(self, treeview, context, selection, info, time):
        print('== Drag data droped')

    def drag_data_received(self, treeview, context, x, y, selection,
    info, time): print('== Drag data received')

    def drag_end(self, treeview, context):
        print('== Drag data end')

    def drag_data_delete(self, treeview, context):
        print('== Drag data delete')

win = MainWindow()
win.show_all()
Gtk.main()