Files
foundations-of-pygtk-develo…/Tree_View_Widget/ComboBoxCellRenderers.py
2019-01-02 14:53:58 -05:00

33 lines
1.5 KiB
Python

def setup_tree_view(self, treeview):
# Create a GtkListStore that will be used for the combo box renderer.
model = Gtk.ListStore.new((GObject.TYPE_STRING,
GObject.TYPE_STRING))
iter = model.append()
model.set(iter, 0, "None")
iter = model.append()
model.set(iter, 0, "One")
iter = model.append()
model.set(iter, 0, "Half a Dozen")
iter = model.append()
model.set(iter, 0, "Dozen")
iter = model.append()
model.set(iter, 0, "Two Dozen")
# Create the GtkCellRendererCombo and add the tree model. Then, add the
# renderer to a new column and add the column to the GtkTreeView.
renderer = Gtk.CellRendererCombo(text_column=0, editable=True,
has_entry=True, model=model)
column = Gtk.TreeViewColumn("Count", renderer, text=QUANTITY)
treeview.append_column(column)
renderer.connect("edited", self.cell_edited, treeview)
renderer = Gtk.CellRendererText.new()
column = Gtk.TreeViewColumn("Product", renderer, text=PRODUCT)
treeview.append_column(column)
def cell_edited(self, renderer, path, new_text, treeview):
# Make sure the text is not empty. If not, apply it to the tree view cell.
if new_text != "":
model = treeview.get_model()
iter = model.get_iter_from_string(path)
if iter:
model.set(iter, QUANTITY, new_text)