for c_ in col:
            item = QtGui.QTreeWidgetItem([unicode(c_),'']) 
            item.setCheckState(0,QtCore.Qt.Unchecked)
            item.setFlags(QtCore.Qt.ItemIsUserCheckable | QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEditable | QtCore.Qt.ItemIsEnabled )
            wind.ui.list.addTopLevelItem(item)

self.connect(self.ui.list, QtCore.SIGNAL('itemDoubleClicked(QTreeWidgetItem *, int)'), gui.functions_gui.doubleClick)
self.connect(self.ui.list, QtCore.SIGNAL('currentItemChanged (QTreeWidgetItem *, QTreeWidgetItem *)'), gui.functions_gui.currentItemChanged)

def doubleClick(item, column):
    '''
    обработка двойного клика по списку, с целью редактирования
    '''
    if column == 1 : # для второй колонки есть редактирование, для других не будет
        item.treeWidget().openPersistentEditor(item, column) # начало редактирования
        
def currentItemChanged(current, previous):
    '''
    событие изменение айтема
    '''
    try:
        tree = current.treeWidget()
        for col in xrange(tree.columnCount()):
            tree.closePersistentEditor(previous, col)  # окончание редактирования
    except:
        pass

import sys
import collections

from PyQt4 import QtCore, QtGui

class Model(QtGui.QStandardItemModel):
    def __init__(self, parent=None):
        super(Model, self).__init__(parent)
        root = self.invisibleRootItem()
        root.appendRow([QtGui.QStandardItem('A'), QtGui.QStandardItem('1')])
        a = root.child(0)
        a.appendRow([QtGui.QStandardItem('B'), QtGui.QStandardItem('2')])
        a.appendRow([QtGui.QStandardItem('C'), QtGui.QStandardItem('3')])
        root.appendRow([QtGui.QStandardItem('D'), QtGui.QStandardItem('4')])
        d = root.child(1)
        d.appendRow([QtGui.QStandardItem('E'), QtGui.QStandardItem('5')])

    def columnCount(self, index=QtCore.QModelIndex()):
        return 2

    def flags(self, index):
        default = super(Model, self).flags(index)
        if index.isValid():
            if index.column() == 0:
                default &= ~QtCore.Qt.ItemIsEditable
        return default

    def headerData(self, section, orientation, role=QtCore.Qt.DisplayRole):
        if role == QtCore.Qt.DisplayRole:
            return ['First', 'Second'][section]
        return None


class W(QtGui.QMainWindow):
    def __init__(self):
        super(W, self).__init__()
        self.view = QtGui.QTreeView()
        self.setCentralWidget(self.view)
        self.view.setModel(Model())
        self.view.expandAll()


app = QtGui.QApplication(sys.argv)
w = W()
w.show()
sys.exit(app.exec_())