Drag and drop PyQt5使用另一个文件中的Drop_groupBox()
我的PyQt5应用程序中有一个Drag and drop PyQt5使用另一个文件中的Drop_groupBox(),drag-and-drop,pyqt5,qgroupbox,Drag And Drop,Pyqt5,Qgroupbox,我的PyQt5应用程序中有一个groupBox,它作为dropzone,用户可以在其中上载文件,dropEvent打印拖入dropzone的文件名列表,并将其写入listWidget。我已将原始代码从以下位置稍作更改: dropfiles.py # -*- coding: utf-8 -*- # # Created by: PyQt5 UI code generator 5.6 # # WARNING! All changes made in this file will be lost! i
groupBox
,它作为dropzone,用户可以在其中上载文件,dropEvent
打印拖入dropzone的文件名列表,并将其写入listWidget
。我已将原始代码从以下位置稍作更改:
dropfiles.py
# -*- coding: utf-8 -*-
#
# Created by: PyQt5 UI code generator 5.6
#
# WARNING! All changes made in this file will be lost!
import os
from PyQt5 import QtCore, QtGui, QtWidgets
class Drop_groupBox(QtWidgets.QGroupBox):
dropped = QtCore.pyqtSignal(list)
def __init__(self, parent):
super().__init__(parent)
self.setAcceptDrops(True)
def dragEnterEvent(self, e):
if e.mimeData().hasUrls():
e.accept()
else:
e.ignore()
def dropEvent(self, e):
list_of_files = [url.toLocalFile() for url in e.mimeData().urls() if os.path.isfile(url.toLocalFile())]
self.dropped.emit(list_of_files)
class Ui_MainWindow(object):
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(658, 449)
sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(MainWindow.sizePolicy().hasHeightForWidth())
MainWindow.setSizePolicy(sizePolicy)
MainWindow.setMinimumSize(QtCore.QSize(658, 449))
MainWindow.setMaximumSize(QtCore.QSize(658, 449))
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.gridLayout_3 = QtWidgets.QGridLayout(self.centralwidget)
self.gridLayout_3.setObjectName("gridLayout_3")
self.gridLayout = QtWidgets.QGridLayout()
self.gridLayout.setObjectName("gridLayout")
self.label_Files = QtWidgets.QLabel(self.centralwidget)
sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.label_Files.sizePolicy().hasHeightForWidth())
self.label_Files.setSizePolicy(sizePolicy)
self.label_Files.setMinimumSize(QtCore.QSize(122, 20))
self.label_Files.setMaximumSize(QtCore.QSize(122, 20))
self.label_Files.setObjectName("label_Files")
self.gridLayout.addWidget(self.label_Files, 0, 0, 1, 1)
self.listWidget_Files = QtWidgets.QListWidget(self.centralwidget)
sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.listWidget_Files.sizePolicy().hasHeightForWidth())
self.listWidget_Files.setSizePolicy(sizePolicy)
self.listWidget_Files.setMinimumSize(QtCore.QSize(256, 341))
self.listWidget_Files.setMaximumSize(QtCore.QSize(256, 341))
self.listWidget_Files.setObjectName("listWidget_Files")
self.gridLayout.addWidget(self.listWidget_Files, 1, 0, 1, 1)
self.gridLayout_3.addLayout(self.gridLayout, 0, 0, 1, 1)
# self.groupBox = QtWidgets.QGroupBox(self.centralwidget)
self.groupBox = Drop_groupBox(self.centralwidget)
self.groupBox.dropped.connect(self.fill_fileslist)
sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.groupBox.sizePolicy().hasHeightForWidth())
self.groupBox.setSizePolicy(sizePolicy)
self.groupBox.setMinimumSize(QtCore.QSize(300, 300))
self.groupBox.setMaximumSize(QtCore.QSize(400, 300))
self.groupBox.setTitle("")
self.groupBox.setObjectName("groupBox")
self.gridLayout_2 = QtWidgets.QGridLayout(self.groupBox)
self.gridLayout_2.setObjectName("gridLayout_2")
self.label = QtWidgets.QLabel(self.groupBox)
self.label.setObjectName("label")
self.gridLayout_2.addWidget(self.label, 0, 0, 1, 1)
self.gridLayout_3.addWidget(self.groupBox, 0, 1, 1, 1)
MainWindow.setCentralWidget(self.centralwidget)
self.menubar = QtWidgets.QMenuBar(MainWindow)
self.menubar.setGeometry(QtCore.QRect(0, 0, 658, 19))
self.menubar.setObjectName("menubar")
MainWindow.setMenuBar(self.menubar)
self.statusbar = QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar)
self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "TestCase"))
self.label_Files.setText(_translate("MainWindow", "<html><head/><body><p align=\"center\"><span style=\" font-size:12pt; font-weight:600;\">Selected Files</span></p></body></html>"))
self.label.setText(_translate("MainWindow", "<html><head/><body><p align=\"center\"><span style=\" font-size:16pt; font-weight:600;\">Drop Files Here!</span></p></body></html>"))
def fill_fileslist(self, files_list):
self.listWidget_Files.addItems(files_list)
print(files_list)
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
MainWindow = QtWidgets.QMainWindow()
ui = Ui_MainWindow()
ui.setupUi(MainWindow)
MainWindow.show()
sys.exit(app.exec_())
dropfiles_functions.py(带有编程逻辑的文件)
#-*-编码:utf-8-*-
导入操作系统
从PyQt5导入QtCore、QtWidgets
从dropfiles\u gui导入Ui\u主窗口
类Drop_groupBox(qtwidts.QGroupBox):
drop=QtCore.pyqtSignal(列表)
定义初始化(自身,父级):
super()。\uuuu init\uuuu(父级)
self.setAcceptDrops(真)
def dragEnterEvent(自身,e):
如果e.mimeData().hasURL():
e、 接受
其他:
e、 忽略()
def dropEvent(自我,e):
文件列表=[url.toLocalFile()表示e.mimeData()中的url。如果os.path.isfile(url.toLocalFile())]
self.drop.emit(文件列表)
类MConv(QtWidgets.QMainWindow,Ui_MainWindow):
定义初始化(自):
qtwidts.QMainWindow.\uuuu init\uuuuu(self)
self.ui=ui\u主窗口()
self.ui.setupUi(self)
self.ui.groupBox=Drop_-groupBox(self.ui.centralwidget)#为了使其正常工作,您需要将QtDesigner中的groupBox
小部件从QtWidgets.QGroupBox
升级为Drop_-groupBox
小部件。您可以查看以了解如何操作。如果成功将.ui文件转换为.py文件,则行
self.groupBox = QtWidgets.QGroupBox(self.centralwidget)
应该被替换为
self.groupBox = Drop_groupBox(self.centralwidget)
在.py文件的底部应该有一个类似于
from dropfiles_functions import Drop_groupBox
下一步是正确设置MConv
。由于MConv
继承自QMainWindow
和Ui\u MainWindow
,因此不需要在QMainWindow中创建Ui\u MainWindow
的单独实例。相反,您可以直接参考MConv.setupUi
和MConv.groupBox
,即
class MConv(QtWidgets.QMainWindow, Ui_MainWindow):
def __init__(self):
super().__init__(self)
self.setupUi(self) # <-- this will define self.groupBox = Drop_groupbox(...) amongst others
self.groupBox.dropped.connect(self.fill_fileslist)
def fill_fileslist(self, files_list):
self.listWidget_Files.addItems(files_list)
print(files_list)
非常感谢您提供有关在QtDesigner中推广groupBox小部件的信息!我做了您在回答中提到的更改,但是当我运行dropfiles\u functions.py时,我现在得到了以下错误:RuntimeError:MConv类型的super类\uuuuuu init\uuuuuu()从未被调用。您确定您在MConv.\uuu init\uuuuuu
的开头添加了行super(),我将用当前代码(文件)添加另一个答案。。。
from dropfiles_functions import Drop_groupBox
class MConv(QtWidgets.QMainWindow, Ui_MainWindow):
def __init__(self):
super().__init__(self)
self.setupUi(self) # <-- this will define self.groupBox = Drop_groupbox(...) amongst others
self.groupBox.dropped.connect(self.fill_fileslist)
def fill_fileslist(self, files_list):
self.listWidget_Files.addItems(files_list)
print(files_list)
if __name__ == "__main__":
import sys
app = QtWidgets.QApplication(sys.argv)
MainWindow = MConv()
MainWindow.show()
sys.exit(app.exec_())