宜配屋

Python PyQt5标准对话框用法示例

yipeiwu_com6年前Python基础

本文实例讲述了Python PyQt5标准对话框用法。分享给大家供大家参考，具体如下：

很全的Qt的标准对话框，包含QInputDialog、QColorDialog、QFontDialog、QMessageBox、QOpenFileDialog...

全部是由官网的C++版本，转换成PyQt5版本。

有些细节忽略了，因为实在不知怎么转换过来。捣鼓了一晚上，总算完成了，好累啊，不过很开心！

效果图：

完整代码：

# -*- coding: utf-8 -*-
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
import sys
class DialogOptionsWidget(QWidget):
 def __init__(self, parent=None):
  super(DialogOptionsWidget,self).__init__(parent)
 def addCheckBox(self, text, value):
  pass
 def addSpacer():
  pass
 def value():
  pass
class StandardDialog(QDialog):
 def __init__(self,parent=None):
  super(StandardDialog,self).__init__(parent)
  self.setWindowTitle("Standard Dialog")
  frameStyle = QFrame.Sunken | QFrame.Panel
  mainLayout = QVBoxLayout(self)
  toolbox = QToolBox()
  mainLayout.addWidget(toolbox)
  self.errorMessageDialog = QErrorMessage(self)
  pushButton_integer = QPushButton("QInputDialog.get&Int()")
  pushButton_double = QPushButton("QInputDialog.get&Double()")
  pushButton_item = QPushButton("QInputDialog.getIte&m()")
  pushButton_text = QPushButton("QInputDialog.get&Text()")
  pushButton_multiLineText = QPushButton("QInputDialog.get&MultiLineText()")
  pushButton_color = QPushButton("QColorDialog.get&Color()")
  pushButton_font = QPushButton("QFontDialog.get&Font()")
  pushButton_directory = QPushButton("QFileDialog.getE&xistingDirectory()")
  pushButton_openFileName = QPushButton("QFileDialog.get&OpenFileName()")
  pushButton_openFileNames = QPushButton("QFileDialog.&getOpenFileNames()")
  pushButton_saveFileName = QPushButton("QFileDialog.get&SaveFileName()")
  pushButton_critical = QPushButton("QMessageBox.critica&l()")
  pushButton_information = QPushButton("QMessageBox.i&nformation()")
  pushButton_question = QPushButton("QQMessageBox.&question()")
  pushButton_warning = QPushButton("QMessageBox.&warning()")
  pushButton_error = QPushButton("QErrorMessage.showM&essage()")
  self.label_integer = QLabel()
  self.label_double = QLabel()
  self.label_item = QLabel()
  self.label_text = QLabel()
  self.label_multiLineText = QLabel()
  self.label_color = QLabel()
  self.label_font = QLabel()
  self.label_directory = QLabel()
  self.label_openFileName = QLabel()
  self.label_openFileNames = QLabel()
  self.label_saveFileName = QLabel()
  self.label_critical = QLabel()
  self.label_information = QLabel()
  self.label_question = QLabel()
  self.label_warning = QLabel()
  self.label_error = QLabel()
  self.label_integer.setFrameStyle(frameStyle)
  self.label_double.setFrameStyle(frameStyle)
  self.label_item.setFrameStyle(frameStyle)
  self.label_text.setFrameStyle(frameStyle)
  self.label_multiLineText.setFrameStyle(frameStyle)
  self.label_color.setFrameStyle(frameStyle)
  self.label_font.setFrameStyle(frameStyle)
  self.label_directory.setFrameStyle(frameStyle)
  self.label_openFileName.setFrameStyle(frameStyle)
  self.label_openFileNames.setFrameStyle(frameStyle)
  self.label_saveFileName.setFrameStyle(frameStyle)
  self.label_critical.setFrameStyle(frameStyle)
  self.label_information.setFrameStyle(frameStyle)
  self.label_question.setFrameStyle(frameStyle)
  self.label_warning.setFrameStyle(frameStyle)
  self.label_error.setFrameStyle(frameStyle)
  page = QWidget()
  layout = QGridLayout(page)
  layout.setColumnStretch(1,1)
  layout.setColumnMinimumWidth(1,250)
  layout.addWidget(pushButton_integer,0,0)
  layout.addWidget(self.label_integer,0,1)
  layout.addWidget(pushButton_double,1,0)
  layout.addWidget(self.label_double,1,1)
  layout.addWidget(pushButton_item,2,0)
  layout.addWidget(self.label_item,2,1)
  layout.addWidget(pushButton_text,3,0)
  layout.addWidget(self.label_text,3,1)
  layout.addWidget(pushButton_multiLineText,4,0)
  layout.addWidget(self.label_multiLineText,4,1)
  layout.addItem(QSpacerItem(0,0,QSizePolicy.Ignored,QSizePolicy.MinimumExpanding),5,0)
  toolbox.addItem(page, "Input Dialog")
  page = QWidget()
  layout = QGridLayout(page)
  layout.setColumnStretch(1,1)
  #layout.setColumnMinimumWidth(1,250)
  layout.addWidget(pushButton_color,0,0)
  layout.addWidget(self.label_color,0,1)
  colorDialogOptionsWidget = DialogOptionsWidget()
  colorDialogOptionsWidget.addCheckBox("Do not use native dialog", QColorDialog.DontUseNativeDialog)
  colorDialogOptionsWidget.addCheckBox("Show alpha channel" , QColorDialog.ShowAlphaChannel)
  colorDialogOptionsWidget.addCheckBox("No buttons" , QColorDialog.NoButtons)
  layout.addItem(QSpacerItem(0,0,QSizePolicy.Ignored,QSizePolicy.MinimumExpanding),1,0)
  layout.addWidget(colorDialogOptionsWidget, 2, 0, 1 ,2)
  toolbox.addItem(page, "Color Dialog")
  page = QWidget()
  layout = QGridLayout(page)
  layout.setColumnStretch(1, 1)
  layout.addWidget(pushButton_font, 0, 0)
  layout.addWidget(self.label_font, 0, 1)
  fontDialogOptionsWidget = DialogOptionsWidget()
  fontDialogOptionsWidget.addCheckBox("Do not use native dialog", QFontDialog.DontUseNativeDialog)
  fontDialogOptionsWidget.addCheckBox("No buttons", QFontDialog.NoButtons)
  layout.addItem(QSpacerItem(0, 0, QSizePolicy.Ignored, QSizePolicy.MinimumExpanding), 1, 0)
  layout.addWidget(fontDialogOptionsWidget, 2, 0, 1 ,2)
  toolbox.addItem(page, "Font Dialog")
  page = QWidget()
  layout = QGridLayout(page)
  layout.setColumnStretch(1, 1)
  layout.addWidget(pushButton_directory, 0, 0)
  layout.addWidget(self.label_directory, 0, 1)
  layout.addWidget(pushButton_openFileName, 1, 0)
  layout.addWidget(self.label_openFileName, 1, 1)
  layout.addWidget(pushButton_openFileNames, 2, 0)
  layout.addWidget(self.label_openFileNames, 2, 1)
  layout.addWidget(pushButton_saveFileName, 3, 0)
  layout.addWidget(self.label_saveFileName, 3, 1)
  fileDialogOptionsWidget = DialogOptionsWidget()
  fileDialogOptionsWidget.addCheckBox("Do not use native dialog", QFileDialog.DontUseNativeDialog)
  fileDialogOptionsWidget.addCheckBox("Show directories only", QFileDialog.ShowDirsOnly)
  fileDialogOptionsWidget.addCheckBox("Do not resolve symlinks", QFileDialog.DontResolveSymlinks)
  fileDialogOptionsWidget.addCheckBox("Do not confirm overwrite", QFileDialog.DontConfirmOverwrite)
  fileDialogOptionsWidget.addCheckBox("Do not use sheet", QFileDialog.DontUseSheet)
  fileDialogOptionsWidget.addCheckBox("Readonly", QFileDialog.ReadOnly)
  fileDialogOptionsWidget.addCheckBox("Hide name filter details", QFileDialog.HideNameFilterDetails)
  layout.addItem(QSpacerItem(0, 0, QSizePolicy.Ignored, QSizePolicy.MinimumExpanding), 4, 0)
  layout.addWidget(fileDialogOptionsWidget, 5, 0, 1 ,2)
  toolbox.addItem(page, "File Dialogs")
  page = QWidget()
  layout = QGridLayout(page)
  layout.setColumnStretch(1, 1)
  layout.addWidget(pushButton_critical, 0, 0)
  layout.addWidget(self.label_critical, 0, 1)
  layout.addWidget(pushButton_information, 1, 0)
  layout.addWidget(self.label_information, 1, 1)
  layout.addWidget(pushButton_question, 2, 0)
  layout.addWidget(self.label_question, 2, 1)
  layout.addWidget(pushButton_warning, 3, 0)
  layout.addWidget(self.label_warning, 3, 1)
  layout.addWidget(pushButton_error, 4, 0)
  layout.addWidget(self.label_error, 4, 1)
  layout.addItem(QSpacerItem(0, 0, QSizePolicy.Ignored, QSizePolicy.MinimumExpanding), 5, 0)
  toolbox.addItem(page, "Message Boxes")
  pushButton_integer.clicked.connect(self.setInteger)
  pushButton_double.clicked.connect(self.setDouble)
  pushButton_item.clicked.connect(self.setItem)
  pushButton_text.clicked.connect(self.setText)
  pushButton_multiLineText.clicked.connect(self.setMultiLineText)
  pushButton_color.clicked.connect(self.setColor)
  pushButton_font.clicked.connect(self.setFont)
  pushButton_directory.clicked.connect(self.setExistingDirectory)
  pushButton_openFileName.clicked.connect(self.setOpenFileName)
  pushButton_openFileNames.clicked.connect(self.setOpenFileNames)
  pushButton_saveFileName.clicked.connect(self.setSaveFileName)
  pushButton_critical.clicked.connect(self.criticalMessage)
  pushButton_information.clicked.connect(self.informationMessage)
  pushButton_question.clicked.connect(self.questionMessage)
  pushButton_warning.clicked.connect(self.warningMessage)
  pushButton_error.clicked.connect(self.errorMessage)
 #输入对话框 取整数
 def setInteger(self):
  intNum, ok = QInputDialog.getInt(self, "QInputDialog.getInteger()","Percentage:", 25, 0, 100, 1)
  if ok:
   self.label_integer.setText(str(intNum))
 #输入对话框 取实数
 def setDouble(self):
  doubleNum, ok = QInputDialog.getDouble(self, "QInputDialog.getDouble()", "Amount:", 37.56, -10000, 10000, 2)
  if ok:
   self.label_double.setText(str(doubleNum))
 #输入对话框 取列表项
 def setItem(self):
  items = ["Spring", "Summer", "Fall", "Winter"]
  item, ok = QInputDialog.getItem(self, "QInputDialog.getItem()","Season:", items, 0, False)
  if ok and item:
   self.label_item.setText(item)
 #输入对话框 取文本
 def setText(self):
  text, ok = QInputDialog.getText(self, "QInputDialog.getText()", "User name:", QLineEdit.Normal, QDir.home().dirName())
  if ok and text:
   self.label_text.setText(text)
 #输入对话框 取多行文本
 def setMultiLineText(self):
  text, ok = QInputDialog.getMultiLineText(self, "QInputDialog.getMultiLineText()", "Address:", "John Doe\nFreedom Street")
  if ok and text:
   self.label_multiLineText.setText(text)
 #颜色对话框 取颜色
 def setColor(self):
  #options = QColorDialog.ColorDialogOptions(QFlag.QFlag(colorDialogOptionsWidget.value()))
  color = QColorDialog.getColor(Qt.green, self, "Select Color")
  if color.isValid():
   self.label_color.setText(color.name())
   self.label_color.setPalette(QPalette(color))
   self.label_color.setAutoFillBackground(True)
 #字体对话框 取字体
 def setFont(self):
  #options = QFontDialog.FontDialogOptions(QFlag(fontDialogOptionsWidget.value()))
  #font, ok = QFontDialog.getFont(ok, QFont(self.label_font.text()), self, "Select Font",options)
  font, ok = QFontDialog.getFont()
  if ok:
   self.label_font.setText(font.key())
   self.label_font.setFont(font)
 #目录对话框 取目录
 def setExistingDirectory(self):
  #options = QFileDialog.Options(QFlag(fileDialogOptionsWidget->value()))
  #options |= QFileDialog.DontResolveSymlinks | QFileDialog.ShowDirsOnly
  directory = QFileDialog.getExistingDirectory(self,
         "QFileDialog.getExistingDirectory()",
         self.label_directory.text())
  if directory:
   self.label_directory.setText(directory)
 #打开文件对话框 取文件名
 def setOpenFileName(self):
  #options = QFileDialog.Options(QFlag(fileDialogOptionsWidget.value()))
  #selectedFilter
  fileName, filetype = QFileDialog.getOpenFileName(self,
         "QFileDialog.getOpenFileName()",
         self.label_openFileName.text(),
         "All Files (*);;Text Files (*.txt)")
  if fileName:
   self.label_openFileName.setText(fileName)
 #打开文件对话框 取一组文件名
 def setOpenFileNames(self):
  #options = QFileDialog.Options(QFlag(fileDialogOptionsWidget.value()))
  #selectedFilter
  openFilesPath = "D:/documents/pyMarksix/draw/"
  files, ok = QFileDialog.getOpenFileNames(self,
         "QFileDialog.getOpenFileNames()",
         openFilesPath,
         "All Files (*);;Text Files (*.txt)")
  if len(files):
   self.label_openFileNames.setText(", ".join(files))
 #保存文件对话框 取文件名
 def setSaveFileName(self):
  #options = QFileDialog.Options(QFlag(fileDialogOptionsWidget.value()))
  #selectedFilter
  fileName, ok = QFileDialog.getSaveFileName(self,
         "QFileDialog.getSaveFileName()",
         self.label_saveFileName.text(),
         "All Files (*);;Text Files (*.txt)")
  if fileName:
   self.label_saveFileName.setText(fileName)
 def criticalMessage(self):
  #reply = QMessageBox.StandardButton()
  MESSAGE = "批评！"
  reply = QMessageBox.critical(self,
         "QMessageBox.critical()",
         MESSAGE,
         QMessageBox.Abort | QMessageBox.Retry | QMessageBox.Ignore)
  if reply == QMessageBox.Abort:
   self.label_critical.setText("Abort")
  elif reply == QMessageBox.Retry:
   self.label_critical.setText("Retry")
  else:
   self.label_critical.setText("Ignore")
 def informationMessage(self):
  MESSAGE = "信息"
  reply = QMessageBox.information(self, "QMessageBox.information()", MESSAGE)
  if reply == QMessageBox.Ok:
   self.label_information.setText("OK")
  else:
   self.label_information.setText("Escape")
 def questionMessage(self):
  MESSAGE = "疑问"
  reply = QMessageBox.question(self, "QMessageBox.question()",
         MESSAGE,
         QMessageBox.Yes | QMessageBox.No | QMessageBox.Cancel)
  if reply == QMessageBox.Yes:
   self.label_question.setText("Yes")
  elif reply == QMessageBox.No:
   self.label_question.setText("No")
  else:
   self.label_question.setText("Cancel")
 def warningMessage(self):
  MESSAGE = "警告文本"
  msgBox = QMessageBox(QMessageBox.Warning,
       "QMessageBox.warning()",
        MESSAGE,
        QMessageBox.Retry | QMessageBox.Discard | QMessageBox.Cancel,
        self)
  msgBox.setDetailedText("详细信息。。。")
  #msgBox.addButton("Save &Again", QMessageBox.AcceptRole)
  #msgBox.addButton("&Continue", QMessageBox.RejectRole)
  if msgBox.exec() == QMessageBox.AcceptRole:
   self.label_warning.setText("Retry")
  else:
   self.label_warning.setText("Abort")
 def errorMessage(self):
  self.errorMessageDialog.showMessage(
     "This dialog shows and remembers error messages. "
     "If the checkbox is checked (as it is by default), "
     "the shown message will be shown again, "
     "but if the user unchecks the box the message "
     "will not appear again if QErrorMessage.showMessage() "
     "is called with the same message.")
  self.label_error.setText("If the box is unchecked, the message "
        "won't appear again.")
app=QApplication(sys.argv)
form=StandardDialog()
form.show()
app.exec_()

更多关于Python相关内容感兴趣的读者可查看本站专题：《Python数据结构与算法教程》、《Python Socket编程技巧总结》、《Python函数使用技巧总结》、《Python字符串操作技巧汇总》、《Python入门与进阶经典教程》及《Python文件与目录操作技巧汇总》

希望本文所述对大家Python程序设计有所帮助。

返回列表

上一篇：Python字符转换

下一篇：PHP生成静态页面详解

相关文章

Python实现的连接mssql数据库操作示例

Python实现的连接mssql数据库操作示例

本文实例讲述了Python实现的连接mssql数据库操作。分享给大家供大家参考，具体如下： 1. 目标数据sql2008 R2 ComPrject=>TestModel 2. 安...

pytorch打印网络结构的实例

pytorch打印网络结构的实例

最简单的方法当然可以直接print（net），但是这样网络比较复杂的时候效果不太好，看着比较乱；以前使用caffe的时候有一个网站可以在线生成网络框图，tensorflow可以用tens...

Python matplotlib通过plt.scatter画空心圆标记出特定的点方法

Python matplotlib通过plt.scatter画空心圆标记出特定的点方法

在用python画散点图的时候想标记出特定的点，比如在某些点的外围加个空心圆，一样可以通过plt.scatter实现 import matplotlib.pyplot as plt...

Python使用cx_Oracle模块操作Oracle数据库详解

本文实例讲述了Python使用cx_Oracle模块操作Oracle数据库。分享给大家供大家参考，具体如下： ORACLE_SID参数，这个参数是操作系统中用到的，它是描述我们要默认连接...

Python使用sort和class实现的多级排序功能示例

本文实例讲述了Python使用sort和class实现的多级排序功能。分享给大家供大家参考，具体如下： # -*- coding:utf-8 -*- import random cl...

© YiPeiWu.com 【宜配屋】 粤ICP备17031333号

Powered By Z-BlogPHP. Theme by TOYEAN.