本文整理汇总了Python中PyQt5.Qt.QTextEdit.setPlaceholderText方法的典型用法代码示例。如果您正苦于以下问题：Python QTextEdit.setPlaceholderText方法的具体用法？Python QTextEdit.setPlaceholderText怎么用？Python QTextEdit.setPlaceholderText使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PyQt5.Qt.QTextEdit的用法示例。
在下文中一共展示了QTextEdit.setPlaceholderText方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: EditQDialog
# 需要导入模块: from PyQt5.Qt import QTextEdit [as 别名]
# 或者: from PyQt5.Qt.QTextEdit import setPlaceholderText [as 别名]
class EditQDialog(QDialog):
"""
Class who create Edit QDialog to edit text in Alignak-app
"""
def __init__(self, parent=None):
super(EditQDialog, self).__init__(parent)
self.setWindowTitle('Edit Dialog')
self.setWindowFlags(Qt.FramelessWindowHint)
self.setStyleSheet(settings.css_style)
self.setWindowIcon(QIcon(settings.get_image('icon')))
self.setObjectName('dialog')
self.setFixedSize(300, 300)
# Fields
self.text_edit = QTextEdit()
self.old_text = ''
def initialize(self, title, text):
"""
Initialize QDialog for UserNotesQDialog
:param title: title of the QDialog
:type title: str
:param text: text to edit
:type text: str
"""
self.old_text = text
center_widget(self)
# Main status_layout
main_layout = QVBoxLayout(self)
main_layout.setContentsMargins(0, 0, 0, 0)
self.setLayout(main_layout)
main_layout.addWidget(get_logo_widget(self, title))
text_title = QLabel(_("Edit your text:"))
text_title.setObjectName('subtitle')
main_layout.addWidget(text_title)
main_layout.setAlignment(text_title, Qt.AlignCenter)
main_layout.addWidget(self.get_text_widget())
def get_text_widget(self):
"""
Return text QWidget with QTextEdit
:return: text QWidget
:rtype: QWidget
"""
text_widget = QWidget()
text_widget.setObjectName('dialog')
text_layout = QVBoxLayout()
text_widget.setLayout(text_layout)
self.text_edit.setPlaceholderText(_('type your text...'))
self.text_edit.setText(self.old_text)
text_layout.addWidget(self.text_edit)
# Accept button
accept_btn = QPushButton(_('Confirm'), self)
accept_btn.clicked.connect(self.accept_text)
accept_btn.setObjectName('valid')
accept_btn.setMinimumHeight(30)
text_layout.addWidget(accept_btn)
return text_widget
def accept_text(self):
"""
Set Edit QDialog to Rejected or Accepted (prevent to patch for nothing)
"""
if self.old_text == self.text_edit.toPlainText():
self.reject()
elif not self.old_text or self.old_text.isspace():
if not self.text_edit.toPlainText() or self.text_edit.toPlainText().isspace():
self.reject()
else:
self.accept()
else:
self.accept()