Python 如何使QLineEdit QCompleter自动大写
我有一个文本列表,如果用户在Python 如何使QLineEdit QCompleter自动大写,python,python-3.4,pyqt5,qlineedit,qcompleter,Python,Python 3.4,Pyqt5,Qlineedit,Qcompleter,我有一个文本列表,如果用户在QLineEdit中搜索文本,我将打印文本。在QLineEdit中有一个QCompleter 问题是,正如我们所知,Text和Text是不一样的,但对用户来说是一样的。因此,如果用户开始键入Text或Text,我想在QLineEdit中将其更改为Text实时。因此,每当用户键入字母时,我希望在QCompleter-QLineEdit中使用大写字母。我该怎么做?我有这个自动取款机 from PyQt5.QtWidgets import QApplication,QPus
QLineEdit
中搜索文本,我将打印文本。在QLineEdit
中有一个QCompleter
问题是,正如我们所知,Text
和Text
是不一样的,但对用户来说是一样的。因此,如果用户开始键入Text
或Text
,我想在QLineEdit
中将其更改为Text
实时。因此,每当用户键入字母时,我希望在QCompleter
-QLineEdit
中使用大写字母。我该怎么做?我有这个自动取款机
from PyQt5.QtWidgets import QApplication,QPushButton,QMainWindow,QLabel,QLineEdit,QCompleter
from PyQt5 import QtCore, QtWidgets, QtGui
from PyQt5.QtCore import QPoint
import sys
class cssden(QMainWindow):
def __init__(self):
super().__init__()
self.mwidget = QMainWindow(self)
self.setWindowFlags(QtCore.Qt.FramelessWindowHint)
#size
self.setFixedSize(600,400)
#LINE EDIT QCOMPLETER
self.label = QLineEdit(self)
self.label.setGeometry(100,100,300,30)
self.label.setStyleSheet("color: red;"
"font: bold 15pt 'Arial';")
self.t = ["Hello","hi","Hey"]
self.label.setCompleter(QCompleter(self.t, self))
#BUTTON
self.buton = QPushButton(self)
self.buton.setText("Click")
self.buton.setGeometry(200,140,90,50)
self.buton.clicked.connect(self.hangiButon)
#SET LABEL
self.set_label = QLabel(self)
self.set_label.setGeometry(100,300,900,100)
self.set_label.setStyleSheet("color: green;"
"font: bold 18pt 'Times New Roman';")
self.show()
def hangiButon(self):
print(self.label.text(), self.t.index(self.label.text())+1)
self.set_label.setText("Pressed to --> {}.".format(self.label.text().rstrip()))
def mousePressEvent(self, event):
self.oldPos = event.globalPos()
def mouseMoveEvent(self, event):
delta = QPoint (event.globalPos() - self.oldPos)
self.move(self.x() + delta.x(), self.y() + delta.y())
self.oldPos = event.globalPos()
app = QApplication(sys.argv)
app.setStyleSheet("QMainWindow{background-color: rgb(30,30,30);border: 2px solid rgb(20,20,20)}")
ex = cssden()
sys.exit(app.exec_())
因此,如果我按下
h
,我想看到所有的单词,不仅是hi
,而且我想立即更改h
。但是无法找出原因。QCompleter
小部件有一个setCaseSensitivity
属性,该属性接受QtCore.Qt.CaseSensitive
/QtCore.Qt.caseSensitivious
或简单的1或0()
表示“默认值为Qt::区分大小写。”
将属性更改为不区分大小写的匹配:
self.t = ["Hello","hi","Hey"]
my_completer = QCompleter(self.t, self)
my_completer.setCaseSensitivity(QtCore.Qt.CaseInsensitive)
# my_completer.setCaseSensitivity(0)
self.label.setCompleter(my_completer)
要将用户输入更改为大写,可以添加更改文本的方法:
def to_upper(self, txt):
self.label.setText(txt.upper())
然后可以连接到事件,例如self.label.textChanged
:
self.label.textChanged.connect(self.to_upper)
综合起来:
from PyQt5.QtWidgets import QApplication,QPushButton,QMainWindow,QLabel,QLineEdit,QCompleter
from PyQt5 import QtCore, QtWidgets, QtGui
from PyQt5.QtCore import QPoint
import sys
class cssden(QMainWindow):
def __init__(self):
super().__init__()
self.mwidget = QMainWindow(self)
self.setWindowFlags(QtCore.Qt.FramelessWindowHint)
#size
self.setFixedSize(600,400)
#LINE EDIT QCOMPLETER
self.label = QLineEdit(self)
self.label.setGeometry(100,100,300,30)
self.label.setStyleSheet("color: red;"
"font: bold 15pt 'Arial';")
self.label.textChanged.connect(self.to_upper)
self.t = ["Hello","hi","Hey"]
my_completer = QCompleter(self.t, self)
#my_completer.setCaseSensitivity(QtCore.Qt.CaseInsensitive)
my_completer.setCaseSensitivity(0)
self.label.setCompleter(my_completer)
#BUTTON
self.buton = QPushButton(self)
self.buton.setText("Click")
self.buton.setGeometry(200,140,90,50)
self.buton.clicked.connect(self.hangiButon)
#SET LABEL
self.set_label = QLabel(self)
self.set_label.setGeometry(100,300,900,100)
self.set_label.setStyleSheet("color: green;"
"font: bold 18pt 'Times New Roman';")
self.show()
def to_upper(self, txt):
self.label.setText(txt.upper())
def hangiButon(self):
print(self.label.text(), self.t.index(self.label.text())+1)
self.set_label.setText("Pressed to --> {}.".format(self.label.text().rstrip()))
def mousePressEvent(self, event):
self.oldPos = event.globalPos()
def mouseMoveEvent(self, event):
delta = QPoint (event.globalPos() - self.oldPos)
self.move(self.x() + delta.x(), self.y() + delta.y())
self.oldPos = event.globalPos()
app = QApplication(sys.argv)
app.setStyleSheet("QMainWindow{background-color: rgb(30,30,30);border: 2px solid rgb(20,20,20)}")
ex = cssden()
sys.exit(app.exec_())
QCompleter
小部件有一个setCaseSensitivity
属性,该属性接受QtCore.Qt.CaseSensitive
/QtCore.Qt.caseSensitivious
或简单的1或0()
表示“默认值为Qt::区分大小写。”
将属性更改为不区分大小写的匹配:
self.t = ["Hello","hi","Hey"]
my_completer = QCompleter(self.t, self)
my_completer.setCaseSensitivity(QtCore.Qt.CaseInsensitive)
# my_completer.setCaseSensitivity(0)
self.label.setCompleter(my_completer)
要将用户输入更改为大写,可以添加更改文本的方法:
def to_upper(self, txt):
self.label.setText(txt.upper())
然后可以连接到事件,例如self.label.textChanged
:
self.label.textChanged.connect(self.to_upper)
综合起来:
from PyQt5.QtWidgets import QApplication,QPushButton,QMainWindow,QLabel,QLineEdit,QCompleter
from PyQt5 import QtCore, QtWidgets, QtGui
from PyQt5.QtCore import QPoint
import sys
class cssden(QMainWindow):
def __init__(self):
super().__init__()
self.mwidget = QMainWindow(self)
self.setWindowFlags(QtCore.Qt.FramelessWindowHint)
#size
self.setFixedSize(600,400)
#LINE EDIT QCOMPLETER
self.label = QLineEdit(self)
self.label.setGeometry(100,100,300,30)
self.label.setStyleSheet("color: red;"
"font: bold 15pt 'Arial';")
self.label.textChanged.connect(self.to_upper)
self.t = ["Hello","hi","Hey"]
my_completer = QCompleter(self.t, self)
#my_completer.setCaseSensitivity(QtCore.Qt.CaseInsensitive)
my_completer.setCaseSensitivity(0)
self.label.setCompleter(my_completer)
#BUTTON
self.buton = QPushButton(self)
self.buton.setText("Click")
self.buton.setGeometry(200,140,90,50)
self.buton.clicked.connect(self.hangiButon)
#SET LABEL
self.set_label = QLabel(self)
self.set_label.setGeometry(100,300,900,100)
self.set_label.setStyleSheet("color: green;"
"font: bold 18pt 'Times New Roman';")
self.show()
def to_upper(self, txt):
self.label.setText(txt.upper())
def hangiButon(self):
print(self.label.text(), self.t.index(self.label.text())+1)
self.set_label.setText("Pressed to --> {}.".format(self.label.text().rstrip()))
def mousePressEvent(self, event):
self.oldPos = event.globalPos()
def mouseMoveEvent(self, event):
delta = QPoint (event.globalPos() - self.oldPos)
self.move(self.x() + delta.x(), self.y() + delta.y())
self.oldPos = event.globalPos()
app = QApplication(sys.argv)
app.setStyleSheet("QMainWindow{background-color: rgb(30,30,30);border: 2px solid rgb(20,20,20)}")
ex = cssden()
sys.exit(app.exec_())