Because I haven't "treeview.ui" file, you referenced, I port the drag'n'drop treeview example of pygtk.
This might be also an example on how to convert old pygtk code to pygi. I only test this code with python3.
#!/usr/bin/env python
# example treeviewdnd.py
from gi.repository import Gtk, Gdk, Pango, GObject
class TreeViewDnDExample:
TARGETS = [
('MY_TREE_MODEL_ROW', Gtk.TargetFlags.SAME_WIDGET, 0),
('text/plain', 0, 1),
('TEXT', 0, 2),
('STRING', 0, 3),
]
# close the window and quit
def delete_event(self, widget, event, data=None):
Gtk.main_quit()
return False
def clear_selected(self, button):
selection = self.treeview.get_selection()
model, iter = selection.get_selected()
if iter:
model.remove(iter)
return
def __init__(self):
# Create a new window
self.window = Gtk.Window()
self.window.set_title("URL Cache")
self.window.set_size_request(200, 200)
self.window.connect("delete_event", self.delete_event)
self.scrolledwindow = Gtk.ScrolledWindow()
self.vbox = Gtk.VBox()
self.hbox = Gtk.HButtonBox()
self.vbox.pack_start(self.scrolledwindow, True, True, 0)
self.vbox.pack_start(self.hbox, False, True, 0)
self.b0 = Gtk.Button('Clear All')
self.b1 = Gtk.Button('Clear Selected')
self.hbox.pack_start(self.b0, True, True, 0)
self.hbox.pack_start(self.b1, True, True, 0)
# create a liststore with one string column to use as the model
self.liststore = Gtk.ListStore(str)
# create the TreeView using liststore
self.treeview = Gtk.TreeView(self.liststore)
# create a CellRenderer to render the data
self.cell = Gtk.CellRendererText()
# create the TreeViewColumns to display the data
self.tvcolumn = Gtk.TreeViewColumn('URL', self.cell, text=0)
# add columns to treeview
self.treeview.append_column(self.tvcolumn)
self.b0.connect_object('clicked', Gtk.ListStore.clear, self.liststore)
self.b1.connect('clicked', self.clear_selected)
# make treeview searchable
self.treeview.set_search_column(0)
# Allow sorting on the column
self.tvcolumn.set_sort_column_id(0)
# Allow enable drag and drop of rows including row move
self.treeview.enable_model_drag_source( Gdk.ModifierType.BUTTON1_MASK,
self.TARGETS,
Gdk.DragAction.DEFAULT|
Gdk.DragAction.MOVE)
self.treeview.enable_model_drag_dest(self.TARGETS,
Gdk.DragAction.DEFAULT)
self.treeview.drag_dest_add_text_targets()
self.treeview.drag_source_add_text_targets()
self.treeview.connect("drag_data_get", self.drag_data_get_data)
self.treeview.connect("drag_data_received",
self.drag_data_received_data)
self.scrolledwindow.add(self.treeview)
self.window.add(self.vbox)
self.window.show_all()
def drag_data_get_data(self, treeview, context, selection, target_id,
etime):
treeselection = treeview.get_selection()
model, iter = treeselection.get_selected()
data = bytes(model.get_value(iter, 0), "utf-8")
selection.set(selection.get_target(), 8, data)
def drag_data_received_data(self, treeview, context, x, y, selection,
info, etime):
model = treeview.get_model()
data = selection.get_data().decode("utf-8")
drop_info = treeview.get_dest_row_at_pos(x, y)
if drop_info:
path, position = drop_info
iter = model.get_iter(path)
if (position == Gtk.TreeViewDropPosition.BEFORE
or position == Gtk.TreeViewDropPosition.BEFORE):
model.insert_before(iter, [data])
else:
model.insert_after(iter, [data])
else:
model.append([data])
if context.get_actions() == Gdk.DragAction.MOVE:
context.finish(True, True, etime)
return
def main():
Gtk.main()
if __name__ == "__main__":
treeviewdndex = TreeViewDnDExample()
main()
