Python 如何在主窗口中更改PyQt5目录视图的大小?
我正在处理一个PyQt5项目,它需要PyQt5的文件夹查看器Python 如何在主窗口中更改PyQt5目录视图的大小?,python,python-3.x,pyqt5,qtreeview,Python,Python 3.x,Pyqt5,Qtreeview,我正在处理一个PyQt5项目,它需要PyQt5的文件夹查看器QTreeView。为了放置更多内容,我尝试更改树视图的大小,但徒劳。以下是Pythonspot的代码: import sys from PyQt5.QtWidgets import QApplication, QFileSystemModel, QTreeView, QWidget, QVBoxLayout from PyQt5.QtGui import QIcon class App(QWidget): def __in
QTreeView
。为了放置更多内容,我尝试更改树视图的大小,但徒劳。以下是Pythonspot的代码:
import sys
from PyQt5.QtWidgets import QApplication, QFileSystemModel, QTreeView, QWidget, QVBoxLayout
from PyQt5.QtGui import QIcon
class App(QWidget):
def __init__(self):
super().__init__()
self.title = 'PyQt5 file system view - pythonspot.com'
self.left = 10
self.top = 10
self.width = 640
self.height = 480
self.initUI()
def initUI(self):
self.setWindowTitle(self.title)
self.setGeometry(self.left, self.top, self.width, self.height)
self.model = QFileSystemModel()
self.model.setRootPath('')
self.tree = QTreeView()
self.tree.setModel(self.model)
self.tree.setAnimated(False)
self.tree.setIndentation(20)
self.tree.setSortingEnabled(True)
self.tree.setWindowTitle("Dir View")
self.tree.resize(640, 200)
windowLayout = QVBoxLayout()
windowLayout.addWidget(self.tree)
self.setLayout(windowLayout)
self.show()
if __name__ == '__main__':
app = QApplication(sys.argv)
ex = App()
sys.exit(app.exec_())
我通过更改树视图
self.tree.resize(640, 200)
为什么它不起作用?布局用于确定您正在使用的小部件的位置和大小,因此在您的情况下,即使使用“调整大小”,大小也不会改变,相反,您应该设置一个固定的大小,以便布局不能改变
QTreeView
的大小
import sys
from PyQt5 import QtCore, QtGui, QtWidgets
class App(QtWidgets.QWidget):
def __init__(self):
super().__init__()
self.title = 'PyQt5 file system view - pythonspot.com'
self.left, self.top, self.width, self.height = 10, 10, 640, 480
self.initUI()
def initUI(self):
self.setWindowTitle(self.title)
self.setGeometry(self.left, self.top, self.width, self.height)
self.model = QtWidgets.QFileSystemModel()
self.model.setRootPath('')
self.tree = QtWidgets.QTreeView()
self.tree.setModel(self.model)
self.tree.setAnimated(False)
self.tree.setIndentation(20)
self.tree.setSortingEnabled(True)
self.tree.setWindowTitle("Dir View")
self.tree.setFixedSize(640, 200)
windowLayout = QtWidgets.QVBoxLayout(self)
windowLayout.addWidget(self.tree, alignment=QtCore.Qt.AlignTop)
self.show()
if __name__ == '__main__':
app = QtWidgets.QApplication(sys.argv)
ex = App()
sys.exit(app.exec_())
谢谢现在我明白了,如果我想将树状图移动到下一行?self.tree.move(200100)@TimChen则不使用布局,因为它消除了:
windowLayout=qtwidts.QVBoxLayout(self)windowLayout.addWidget(self.tree,alignment=QtCore.Qt.AlignTop)
并将self.tree=qtwidts.QTreeView()
更改为self.tree=qtwidts.QTreeView(self)
并将self.tree.setFixedSize(640200)
更改为self.tree.setGeometry(200100640200)
谢谢您的帮助!如果我想在目录视图中双击一个文件后弹出一个窗口,我可以在initUI(self)中添加一行:itemDoubleClicked.connect(self.buildExamplePopup)
。并在下面添加一个函数:def buildExamplePopup(self,item):exPopup=ExamplePopup(item.text(),self)exPopup.setGeometry(100200300300)exPopup.show()