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Python PyQt五号正楷字规对话框用法示例

2019年5月30日 - 皇家赌场系统

本文实例讲述了Python
PyQt5专门的学问对话框用法。分享给大家供大家参照他事他说加以考查,具体如下:

很全的Qt的正规对话框,蕴涵QInputDialog、QColorDialog、QFontDialog、QMessageBox、QOpenFileDialog…

全副是由官方网站的C++版本,调换到PyQt伍版本。

稍加细节忽略了,因为实在不知怎么转变过来。捣鼓了壹夜晚,总算实现了,好累啊,不过很喜笑颜开!

效果图:

图片 1

图片 2

完全代码:

# -*- 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_()

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