python3+PyQt5实现使用剪贴板做复制与粘帖示例

本文是对《PythonQtGUI快速编程》的第10章的例子剪贴板用Python3+PyQt5进行改写，分别对文本，

本文是对《Python Qt GUI快速编程》的第10章的例子剪贴板用Python3+PyQt5进行改写，分别对文本，图片和html文本的复制与粘帖，三种做法大同小异。

#!/usr/bin/env python3
import os
import sys
from PyQt5.QtCore import (QMimeData, Qt)
from PyQt5.QtWidgets import (QApplication, QDialog, QGridLayout, QLabel,
 QPushButton)
from PyQt5.QtGui import QPixmap

class Form(QDialog):

 def __init__(self, parent=None):
 super(Form, self).__init__(parent)

 textCopyButton = QPushButton("&Copy Text")
 textPasteButton = QPushButton("Paste &Text")
 htmlCopyButton = QPushButton("C&opy HTML")
 htmlPasteButton = QPushButton("Paste &HTML")
 imageCopyButton = QPushButton("Co&py Image")
 imagePasteButton = QPushButton("Paste &Image")
 self.textLabel = QLabel("Original text")
 self.imageLabel = QLabel()
 self.imageLabel.setPixmap(QPixmap(os.path.join(
 os.path.dirname(__file__), "images/clock.png")))

 layout = QGridLayout()
 layout.addWidget(textCopyButton, 0, 0)
 layout.addWidget(imageCopyButton, 0, 1)
 layout.addWidget(htmlCopyButton, 0, 2)
 layout.addWidget(textPasteButton, 1, 0)
 layout.addWidget(imagePasteButton, 1, 1)
 layout.addWidget(htmlPasteButton, 1, 2)
 layout.addWidget(self.textLabel, 2, 0, 1, 2)
 layout.addWidget(self.imageLabel, 2, 2)
 self.setLayout(layout)

 textCopyButton.clicked.connect(self.copyText)
 textPasteButton.clicked.connect(self.pasteText)
 htmlCopyButton.clicked.connect(self.copyHtml)
 htmlPasteButton.clicked.connect(self.pasteHtml)
 imageCopyButton.clicked.connect(self.copyImage)
 imagePasteButton.clicked.connect(self.pasteImage)

 self.setWindowTitle("Clipboard")


 def copyText(self):
 clipboard = QApplication.clipboard()
 clipboard.setText("I've been clipped!")


 def pasteText(self):
 clipboard = QApplication.clipboard()
 self.textLabel.setText(clipboard.text())


 def copyImage(self):
 clipboard = QApplication.clipboard()
 clipboard.setPixmap(QPixmap(os.path.join(
 os.path.dirname(__file__), "images/gvim.png")))

 def pasteImage(self):
 clipboard = QApplication.clipboard()
 self.imageLabel.setPixmap(clipboard.pixmap())


 def copyHtml(self):
 mimeData = QMimeData()
 mimeData.setHtml("<b>Bold and <font color=red>Red</font></b>")
 clipboard = QApplication.clipboard()
 clipboard.setMimeData(mimeData)


 def pasteHtml(self):
 clipboard = QApplication.clipboard()
 mimeData = clipboard.mimeData()
 if mimeData.hasHtml():
 self.textLabel.setText(mimeData.html())

if __name__ == "__main__":
 app = QApplication(sys.argv)
 form = Form()
 form.show()
 app.exec_()

运行结果：

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。

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