QlistWidget - 包含多个 signals/connections 的列表?
QlistWidget - list with multiple signals/connections?
我正在为自己的任务构建简单的 GUI。
是否可以用多个 signals/connections 制作 QlistWidget
或类似的东西?
找不到将多个信号分配给列表中多个元素的好方法。
我需要的是列表(带复选框)之类的东西。
- 列表中的每个元素都应该执行 不同 分配的任务。
- 我可以标记例如 3 个复选框
- 按下按钮后 - 为列表中标记的元素执行任务。
# -- coding: utf-8 --
from PyQt5.QtWidgets import QMainWindow,QAction,QListWidget, qApp, QGridLayout, QWidget, QDesktopWidget,QPushButton, QTextEdit,QListView,QTreeView,QListWidgetItem
from PyQt5.QtGui import QIcon
from PyQt5.QtCore import Qt, pyqtSignal
import qdarkstyle
class MainWindow(QMainWindow):
def __init__(self, parent=None):
super(MainWindow,self).__init__(parent)
self.main_frame()
self.center() #center frame
self.layout_init() #widgets layout
def main_frame(self):
### actions on meenubar
exitAct = QAction(QIcon('exit.png'), '&Exit', self)
exitAct.setShortcut('Ctrl+Q')
exitAct.setStatusTip('Exit application')
exitAct.triggered.connect(qApp.quit)
self.statusBar()
### menubar
menubar = self.menuBar()
fileMenu = menubar.addMenu('&File')
fileMenu.addAction(exitAct)
fileMenu = menubar.addMenu('&VIew')
fileMenu = menubar.addMenu('&Help')
### basic geometry and color
self.setWindowTitle('DIGITAL CARE - Data Processing - WAREX Checklist')
self.setStyleSheet((qdarkstyle.load_stylesheet_pyqt5()))
def layout_init(self):
grid = QGridLayout()
central_widget = QWidget()
self.setCentralWidget(central_widget)
### widgets
pb = QPushButton(self.tr("Run process"))
te = QTextEdit()
test = QTextEdit()
### List withc checkboxes
checklist = ["Pliki z Errorami","Fatal w Komponentach","Play - automat do Aktywacji","Play - maile przy Dezaktywacji",\
"Play - komunikaty Dezaktywacyjne","Automat do przedłużania polis",\
"X-KOM - ilość polis","Neonet - ilość polis","Satysfakcja - ilość polis","PLK - zaczytanie plików do bazy"]
doubleClicked = pyqtSignal()
## Select all/unselect all
model = QListWidget()
selectall = QListWidgetItem("Select all")
model.addItem(selectall)
for i in checklist:
item = QListWidgetItem(i)
item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
item.setCheckState(Qt.Unchecked)
model.addItem(item)
#selectall.itemClicked.connect(self.select_unselectall)
#model.itemDoubleClicked.connect(self.select_unselectall)
#model.currentItemChanged.connect(self.select_unselectall
#model.itemDoubleClicked.connect(self.select_unselectall) doubleclick
#for element in range(model.count()):
# print(model.item(element).text())
#print(model.itemActivated.connect(self.select_unselectall))
#if model.itemActivated.emit(model.currentItem()) == selectall:
if model.itemClicked.emit(selectall) == "Select all":
model.itemActivated.connect(self.select_unselectall)
#model.itemActivated.emit(self.)
### make vidgets alive
self.centralWidget().setLayout(grid)
grid.addWidget(model, 0, 0)
grid.addWidget(te, 0, 1)
grid.addWidget(pb, 1, 1)
grid.addWidget(test, 1, 0)
def select_unselectall(self, item):
print(item.text())
#for index in range(self.model.count()):
#if self.model.item(index).checkState() == Qt.Checked:
# self.model.item(index).setCheckState(Qt.Unchecked)
def center(self):
###center main window
qr = self.frameGeometry()
cp = QDesktopWidget().availableGeometry().center()
qr.moveCenter(cp)
qr.moveCenter(cp)
self.move(qr.topLeft())
你有两种类型的任务,当你按下 select all 时,你必须 select everything,但是当按下按钮时,任务是过滤选中的元素,在下面例如,我分别通过 QPushButton
和 QListWidget
的 clicked
和 itemClicked
信号来展示如何做到这一点,你不应该发出信号而是听它。
from PyQt5 import QtCore, QtGui, QtWidgets
import qdarkstyle
class MainWindow(QtWidgets.QMainWindow):
def __init__(self, parent=None):
super(MainWindow,self).__init__(parent)
self.main_frame()
self.center() #center frame
self.layout_init() #widgets layout
def main_frame(self):
### actions on meenubar
exitAct = QtWidgets.QAction(QtGui.QIcon('exit.png'), '&Exit', self)
exitAct.setShortcut('Ctrl+Q')
exitAct.setStatusTip('Exit application')
exitAct.triggered.connect(self.close)
self.statusBar()
### menubar
menubar = self.menuBar()
fileMenu = menubar.addMenu('&File')
fileMenu.addAction(exitAct)
fileMenu = menubar.addMenu('&VIew')
fileMenu = menubar.addMenu('&Help')
### basic geometry and color
self.setWindowTitle('DIGITAL CARE - Data Processing - WAREX Checklist')
self.setStyleSheet((qdarkstyle.load_stylesheet_pyqt5()))
def layout_init(self):
central_widget = QtWidgets.QWidget()
self.setCentralWidget(central_widget)
### widgets
pb = QtWidgets.QPushButton(self.tr("Run process"))
pb.clicked.connect(self.on_clicked)
### List withc checkboxes
checklist = ["Pliki z Errorami","Fatal w Komponentach","Play - automat do Aktywacji","Play - maile przy Dezaktywacji",\
"Play - komunikaty Dezaktywacyjne","Automat do przedłużania polis",\
"X-KOM - ilość polis","Neonet - ilość polis","Satysfakcja - ilość polis","PLK - zaczytanie plików do bazy"]
## Select all/unselect all
self.list_widget = QtWidgets.QListWidget()
self.list_widget.itemClicked.connect(self.on_itemClicked)
selectall = QtWidgets.QListWidgetItem("Select all")
self.list_widget.addItem(selectall)
for i in checklist:
item = QtWidgets.QListWidgetItem(i)
item.setFlags(item.flags() | QtCore.Qt.ItemIsUserCheckable)
item.setCheckState(QtCore.Qt.Unchecked)
self.list_widget.addItem(item)
grid = QtWidgets.QGridLayout(central_widget)
grid.addWidget(pb)
grid.addWidget(self.list_widget)
@QtCore.pyqtSlot(QtWidgets.QListWidgetItem)
def on_itemClicked(self, item):
if item.text() == "Select all":
for row in range(1, self.list_widget.count()):
it = self.list_widget.item(row)
it.setCheckState(QtCore.Qt.Checked)
@QtCore.pyqtSlot()
def on_clicked(self):
for row in range(1, self.list_widget.count()):
it = self.list_widget.item(row)
if it.checkState() == QtCore.Qt.Checked:
print(it.text())
def center(self):
qr = self.frameGeometry()
cp = QtWidgets.QDesktopWidget().availableGeometry().center()
qr.moveCenter(cp)
self.move(qr.topLeft())
if __name__ == '__main__':
import sys
app = QtWidgets.QApplication(sys.argv)
w = MainWindow()
w.show()
sys.exit(app.exec_())
我正在为自己的任务构建简单的 GUI。
是否可以用多个 signals/connections 制作 QlistWidget
或类似的东西?
找不到将多个信号分配给列表中多个元素的好方法。
我需要的是列表(带复选框)之类的东西。
- 列表中的每个元素都应该执行 不同 分配的任务。
- 我可以标记例如 3 个复选框
- 按下按钮后 - 为列表中标记的元素执行任务。
# -- coding: utf-8 --
from PyQt5.QtWidgets import QMainWindow,QAction,QListWidget, qApp, QGridLayout, QWidget, QDesktopWidget,QPushButton, QTextEdit,QListView,QTreeView,QListWidgetItem
from PyQt5.QtGui import QIcon
from PyQt5.QtCore import Qt, pyqtSignal
import qdarkstyle
class MainWindow(QMainWindow):
def __init__(self, parent=None):
super(MainWindow,self).__init__(parent)
self.main_frame()
self.center() #center frame
self.layout_init() #widgets layout
def main_frame(self):
### actions on meenubar
exitAct = QAction(QIcon('exit.png'), '&Exit', self)
exitAct.setShortcut('Ctrl+Q')
exitAct.setStatusTip('Exit application')
exitAct.triggered.connect(qApp.quit)
self.statusBar()
### menubar
menubar = self.menuBar()
fileMenu = menubar.addMenu('&File')
fileMenu.addAction(exitAct)
fileMenu = menubar.addMenu('&VIew')
fileMenu = menubar.addMenu('&Help')
### basic geometry and color
self.setWindowTitle('DIGITAL CARE - Data Processing - WAREX Checklist')
self.setStyleSheet((qdarkstyle.load_stylesheet_pyqt5()))
def layout_init(self):
grid = QGridLayout()
central_widget = QWidget()
self.setCentralWidget(central_widget)
### widgets
pb = QPushButton(self.tr("Run process"))
te = QTextEdit()
test = QTextEdit()
### List withc checkboxes
checklist = ["Pliki z Errorami","Fatal w Komponentach","Play - automat do Aktywacji","Play - maile przy Dezaktywacji",\
"Play - komunikaty Dezaktywacyjne","Automat do przedłużania polis",\
"X-KOM - ilość polis","Neonet - ilość polis","Satysfakcja - ilość polis","PLK - zaczytanie plików do bazy"]
doubleClicked = pyqtSignal()
## Select all/unselect all
model = QListWidget()
selectall = QListWidgetItem("Select all")
model.addItem(selectall)
for i in checklist:
item = QListWidgetItem(i)
item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
item.setCheckState(Qt.Unchecked)
model.addItem(item)
#selectall.itemClicked.connect(self.select_unselectall)
#model.itemDoubleClicked.connect(self.select_unselectall)
#model.currentItemChanged.connect(self.select_unselectall
#model.itemDoubleClicked.connect(self.select_unselectall) doubleclick
#for element in range(model.count()):
# print(model.item(element).text())
#print(model.itemActivated.connect(self.select_unselectall))
#if model.itemActivated.emit(model.currentItem()) == selectall:
if model.itemClicked.emit(selectall) == "Select all":
model.itemActivated.connect(self.select_unselectall)
#model.itemActivated.emit(self.)
### make vidgets alive
self.centralWidget().setLayout(grid)
grid.addWidget(model, 0, 0)
grid.addWidget(te, 0, 1)
grid.addWidget(pb, 1, 1)
grid.addWidget(test, 1, 0)
def select_unselectall(self, item):
print(item.text())
#for index in range(self.model.count()):
#if self.model.item(index).checkState() == Qt.Checked:
# self.model.item(index).setCheckState(Qt.Unchecked)
def center(self):
###center main window
qr = self.frameGeometry()
cp = QDesktopWidget().availableGeometry().center()
qr.moveCenter(cp)
qr.moveCenter(cp)
self.move(qr.topLeft())
你有两种类型的任务,当你按下 select all 时,你必须 select everything,但是当按下按钮时,任务是过滤选中的元素,在下面例如,我分别通过 QPushButton
和 QListWidget
的 clicked
和 itemClicked
信号来展示如何做到这一点,你不应该发出信号而是听它。
from PyQt5 import QtCore, QtGui, QtWidgets
import qdarkstyle
class MainWindow(QtWidgets.QMainWindow):
def __init__(self, parent=None):
super(MainWindow,self).__init__(parent)
self.main_frame()
self.center() #center frame
self.layout_init() #widgets layout
def main_frame(self):
### actions on meenubar
exitAct = QtWidgets.QAction(QtGui.QIcon('exit.png'), '&Exit', self)
exitAct.setShortcut('Ctrl+Q')
exitAct.setStatusTip('Exit application')
exitAct.triggered.connect(self.close)
self.statusBar()
### menubar
menubar = self.menuBar()
fileMenu = menubar.addMenu('&File')
fileMenu.addAction(exitAct)
fileMenu = menubar.addMenu('&VIew')
fileMenu = menubar.addMenu('&Help')
### basic geometry and color
self.setWindowTitle('DIGITAL CARE - Data Processing - WAREX Checklist')
self.setStyleSheet((qdarkstyle.load_stylesheet_pyqt5()))
def layout_init(self):
central_widget = QtWidgets.QWidget()
self.setCentralWidget(central_widget)
### widgets
pb = QtWidgets.QPushButton(self.tr("Run process"))
pb.clicked.connect(self.on_clicked)
### List withc checkboxes
checklist = ["Pliki z Errorami","Fatal w Komponentach","Play - automat do Aktywacji","Play - maile przy Dezaktywacji",\
"Play - komunikaty Dezaktywacyjne","Automat do przedłużania polis",\
"X-KOM - ilość polis","Neonet - ilość polis","Satysfakcja - ilość polis","PLK - zaczytanie plików do bazy"]
## Select all/unselect all
self.list_widget = QtWidgets.QListWidget()
self.list_widget.itemClicked.connect(self.on_itemClicked)
selectall = QtWidgets.QListWidgetItem("Select all")
self.list_widget.addItem(selectall)
for i in checklist:
item = QtWidgets.QListWidgetItem(i)
item.setFlags(item.flags() | QtCore.Qt.ItemIsUserCheckable)
item.setCheckState(QtCore.Qt.Unchecked)
self.list_widget.addItem(item)
grid = QtWidgets.QGridLayout(central_widget)
grid.addWidget(pb)
grid.addWidget(self.list_widget)
@QtCore.pyqtSlot(QtWidgets.QListWidgetItem)
def on_itemClicked(self, item):
if item.text() == "Select all":
for row in range(1, self.list_widget.count()):
it = self.list_widget.item(row)
it.setCheckState(QtCore.Qt.Checked)
@QtCore.pyqtSlot()
def on_clicked(self):
for row in range(1, self.list_widget.count()):
it = self.list_widget.item(row)
if it.checkState() == QtCore.Qt.Checked:
print(it.text())
def center(self):
qr = self.frameGeometry()
cp = QtWidgets.QDesktopWidget().availableGeometry().center()
qr.moveCenter(cp)
self.move(qr.topLeft())
if __name__ == '__main__':
import sys
app = QtWidgets.QApplication(sys.argv)
w = MainWindow()
w.show()
sys.exit(app.exec_())