# -*- coding: utf-8 -*-#

#-------------------------------------------------------------------------------
# Name:         PrintDialog
# Description:  
# Author:       Dell
# Date:         2019/10/6
#-------------------------------------------------------------------------------

'''

显示打印对话框

'''

import sys
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from PyQt5.QtPrintSupport import QPageSetupDialog,QPrintDialog,QPrinter


class PrintDialogDemo(QWidget):
    def __init__(self):
        super(PrintDialogDemo, self).__init__()
        self.printer = QPrinter()
        self.initUI()

    def initUI(self):
        self.setWindowTitle('打印对话框')
        # self.resize(300, 200)
        self.setGeometry(300,300,500,400)

        self.editor = QTextEdit(self)
        self.editor.setGeometry(20,20,300,270)

        self.openButton = QPushButton("打开文件",self)
        self.openButton.move(350,20)

        self.settingsButton = QPushButton("打印设置",self)
        self.settingsButton.move(350,50)

        self.printButton = QPushButton("打印文档", self)
        self.printButton.move(350, 80)

        self.openButton.clicked.connect(self.openFile)
        self.settingsButton.clicked.connect(self.showSettingsDialog)
        self.printButton.clicked.connect(self.showPrintDialog)
    # 打开文件
    def openFile(self):
        fname = QFileDialog.getOpenFileName(self, '打开文本文件','./')
        if fname[0]:
            with open(fname[0],'r',encoding='utf-8',errors='ignore') as f:
                self.editor.setText(f.read())
    # 显示打印设置对话框
    def showSettingsDialog(self):
        printDialog = QPageSetupDialog(self.printer,self)
        printDialog.exec()

    # 显示打印对话框
    def showPrintDialog(self):
        printdialog = QPrintDialog(self.printer,self)
        if QDialog.Accepted == printdialog.exec():
            self.editor.print(self.printer)




if __name__ == '__main__':
    app = QApplication(sys.argv)
    mainWin = PrintDialogDemo()
    mainWin.show()
    sys.exit(app.exec_())