pyqt下选择（未学习）

标签：style   blog   http   io   os   ar   for   2014   sp   

# -*- coding: utf-8 -*-

__author__ = ‘Administrator‘

import sys

from PyQt4 import QtGui, QtCore

rows = "ABCD"

choices = [‘apple‘, ‘orange‘, ‘banana‘]

class Delegate(QtGui.QItemDelegate):

    def __init__(self, owner, items):

        super(Delegate, self).__init__(owner)

        self.items = items

    def createEditor(self, parent, option, index):

        self.editor = QtGui.QComboBox(parent)

        self.editor.addItems(self.items)

        return self.editor

    def paint(self, painter, option, index):

        value = index.data(QtCore.Qt.DisplayRole).toString()

        style = QtGui.QApplication.style()

        opt = QtGui.QStyleOptionComboBox()

        opt.text = str(value)

        opt.rect = option.rect

        style.drawComplexControl(QtGui.QStyle.CC_ComboBox, opt, painter)

        QtGui.QItemDelegate.paint(self, painter, option, index)

    def setEditorData(self, editor, index):

        value = index.data(QtCore.Qt.DisplayRole).toString()

        num = self.items.index(value)

        editor.setCurrentIndex(num)

    def setModelData(self, editor, model, index):

        value = editor.currentText()

        model.setData(index, QtCore.Qt.DisplayRole, QtCore.QVariant(value))

    def updateEditorGeometry(self, editor, option, index):

        editor.setGeometry(option.rect)

class Model(QtCore.QAbstractTableModel):

    def __init__(self):

        super(Model, self).__init__()

        self.table = [[row, choices[0]] for row in rows]

    def rowCount(self, index=QtCore.QModelIndex()):

        return len(self.table)

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

        return 2

    def flags(self, index):

        return QtCore.Qt.ItemIsEditable | QtCore.Qt.ItemIsEnabled | QtCore.Qt.ItemIsSelectable

    def data(self, index, role):

        if role == QtCore.Qt.DisplayRole:

            return self.table[index.row()][index.column()]

    def setData(self, index, role, value):

        if role == QtCore.Qt.DisplayRole:

            self.table[index.row()][index.column()] = value

class Main(QtGui.QMainWindow):

    def __init__(self, parent=None):

        super(Main, self).__init__(parent)

        self.model = Model()

        self.table = QtGui.QTableView()

        self.table.setModel(self.model)

        self.table.setItemDelegateForColumn(1, Delegate(self, ["apple", "orange", "banana"]))

        self.setCentralWidget(self.table)

        self.setWindowTitle(‘Delegate Test‘)

        self.show()

if __name__ == ‘__main__‘:

    app = QtGui.QApplication(sys.argv)

    main = Main()

    app.exec_()

如图:

pyqt下选择（未学习）

标签：style   blog   http   io   os   ar   for   2014   sp   

原文地址：http://www.cnblogs.com/mhxy13867806343/p/3968035.html