捕鼠事件似乎不起作用

# -*- coding: utf-8 -*- from PyQt5 import QtCore, QtGui, QtWidgets from PyQt5.QtWidgets import QGraphicsScene, QMainWindow from PyQt5.QtCore import Qt from PyQt5.QtGui import QPixmap class Ui_layout_window(QMainWindow): def setupUi(self, layout_window): layout_window.setObjectName("layout_window") layout_window.resize(749, 711) layout_window.setMouseTracking(True) self.centralwidget = QtWidgets.QWidget(layout_window) self.centralwidget.setMouseTracking(True) self.centralwidget.setObjectName("centralwidget") self.gridLayout = QtWidgets.QGridLayout(self.centralwidget) self.gridLayout.setContentsMargins(10, 10, 10, 10) self.gridLayout.setSpacing(10) self.gridLayout.setObjectName("gridLayout") self.scrollArea = QtWidgets.QScrollArea(self.centralwidget) self.scrollArea.setWidgetResizable(True) self.scrollArea.setObjectName("scrollArea") self.scrollAreaWidgetContents = QtWidgets.QWidget() self.scrollAreaWidgetContents.setGeometry(QtCore.QRect(0, 0, 727, 609)) self.scrollAreaWidgetContents.setMouseTracking(True) self.scrollAreaWidgetContents.setObjectName("scrollAreaWidgetContents") self.gridLayout_2 = QtWidgets.QGridLayout(self.scrollAreaWidgetContents) self.gridLayout_2.setContentsMargins(5, 5, 5, 5) self.gridLayout_2.setSpacing(10) self.gridLayout_2.setObjectName("gridLayout_2") self.rot_tgt_btn = QtWidgets.QPushButton(self.scrollAreaWidgetContents) font = QtGui.QFont() font.setPointSize(10) self.rot_tgt_btn.setFont(font) self.rot_tgt_btn.setObjectName("rot_tgt_btn") self.gridLayout_2.addWidget(self.rot_tgt_btn, 0, 2, 1, 1) self.scale_spinBox = QtWidgets.QSpinBox(self.scrollAreaWidgetContents) self.scale_spinBox.setFont(font) self.scale_spinBox.setObjectName("scale_spinBox") self.scale_spinBox.setRange(10, 5000) self.scale_spinBox.setValue(1000) self.gridLayout_2.addWidget(self.scale_spinBox, 0, 5, 1, 1) self.crop_btn = QtWidgets.QPushButton(self.scrollAreaWidgetContents) self.crop_btn.setFont(font) self.crop_btn.setObjectName("crop_btn") self.gridLayout_2.addWidget(self.crop_btn, 0, 3, 1, 1) self.graphicsView = QtWidgets.QGraphicsView(self.scrollAreaWidgetContents) self.graphicsView.setObjectName("graphicsView") self.gridLayout_2.addWidget(self.graphicsView, 1, 0, 1, 6) self.ror_lft_btn = QtWidgets.QPushButton(self.scrollAreaWidgetContents) self.ror_lft_btn.setFont(font) self.ror_lft_btn.setObjectName("ror_lft_btn") self.gridLayout_2.addWidget(self.ror_lft_btn, 0, 1, 1, 1) self.scale_label = QtWidgets.QLabel(self.scrollAreaWidgetContents) font = QtGui.QFont() font.setPointSize(10) self.scale_label.setFont(font) self.scale_label.setAlignment(QtCore.Qt.AlignRight|QtCore.Qt.AlignTrailing|QtCore.Qt.AlignVCenter) self.scale_label.setObjectName("scale_label") self.gridLayout_2.addWidget(self.scale_label, 0, 4, 1, 1) self.scrollArea.setWidget(self.scrollAreaWidgetContents) self.scene = QGraphicsScene() self.pixmap = QPixmap("talia.png") self.pixmap_scl = self.pixmap self.scene.addPixmap(self.pixmap_scl) self.graphicsView.setScene(self.scene) self.gridLayout.addWidget(self.scrollArea, 0, 0, 1, 1) self.buttonBox = QtWidgets.QDialogButtonBox(self.centralwidget) self.buttonBox.setStandardButtons(QtWidgets.QDialogButtonBox.Cancel|QtWidgets.QDialogButtonBox.Ok) self.buttonBox.setObjectName("buttonBox") self.gridLayout.addWidget(self.buttonBox, 1, 0, 1, 1) layout_window.setCentralWidget(self.centralwidget) self.menubar = QtWidgets.QMenuBar(layout_window) self.menubar.setGeometry(QtCore.QRect(0, 0, 749, 23)) self.menubar.setObjectName("menubar") self.menuFile = QtWidgets.QMenu(self.menubar) self.menuFile.setObjectName("menuFile") self.menuImage = QtWidgets.QMenu(self.menubar) self.menuImage.setObjectName("menuImage") layout_window.setMenuBar(self.menubar) self.statusbar = QtWidgets.QStatusBar(layout_window) self.statusbar.setObjectName("statusbar") layout_window.setStatusBar(self.statusbar) self.actionLoad = QtWidgets.QAction(layout_window) self.actionLoad.setObjectName("actionLoad") self.actionCrop = QtWidgets.QAction(layout_window) self.actionCrop.setObjectName("actionCrop") self.actionZoom = QtWidgets.QAction(layout_window) self.actionZoom.setObjectName("actionZoom") self.actionRotate = QtWidgets.QAction(layout_window) self.actionRotate.setObjectName("actionRotate") self.actionRotate_Right = QtWidgets.QAction(layout_window) self.actionRotate_Right.setObjectName("actionRotate_Right") self.actionRotate_Left = QtWidgets.QAction(layout_window) self.actionRotate_Left.setObjectName("actionRotate_Left") self.actionCrop_2 = QtWidgets.QAction(layout_window) self.actionCrop_2.setObjectName("actionCrop_2") self.menuFile.addAction(self.actionLoad) self.menuFile.addAction(self.actionCrop) self.menuFile.addAction(self.actionZoom) self.menuFile.addAction(self.actionRotate) self.menuImage.addAction(self.actionRotate_Right) self.menuImage.addAction(self.actionRotate_Left) self.menuImage.addAction(self.actionCrop_2) self.menubar.addAction(self.menuFile.menuAction()) self.menubar.addAction(self.menuImage.menuAction()) self.statusbar.showMessage("text") self.retranslateUi(layout_window) self.buttonBox.accepted.connect(layout_window.close) self.buttonBox.rejected.connect(layout_window.close) self.scale_spinBox.editingFinished.connect(self.resizeimg) QtCore.QMetaObject.connectSlotsByName(layout_window) def retranslateUi(self, layout_window): _translate = QtCore.QCoreApplication.translate layout_window.setWindowTitle(_translate("layout_window", "MainWindow")) self.rot_tgt_btn.setText(_translate("layout_window", "Rotate Right")) self.crop_btn.setText(_translate("layout_window", "Crop")) self.ror_lft_btn.setText(_translate("layout_window", "Rotate Left")) self.scale_label.setText(_translate("layout_window", "Scale: ")) self.menuFile.setTitle(_translate("layout_window", "File")) self.menuImage.setTitle(_translate("layout_window", "Image")) self.actionLoad.setText(_translate("layout_window", "Load")) self.actionCrop.setText(_translate("layout_window", "Crop")) self.actionZoom.setText(_translate("layout_window", "Zoom")) self.actionRotate.setText(_translate("layout_window", "Rotate")) self.actionRotate_Right.setText(_translate("layout_window", "Rotate Right")) self.actionRotate_Left.setText(_translate("layout_window", "Rotate Left")) self.actionCrop_2.setText(_translate("layout_window", "Crop")) def resizeimg(self): zm_fct = self.scale_spinBox.value() pixmap_scl = self.pixmap.scaled(zm_fct, zm_fct, QtCore.Qt.KeepAspectRatio) print(zm_fct) self.scene.clear() self.scene.addPixmap(pixmap_scl) self.graphicsView.setScene(self.scene) def mousePressEvent(self, p): x = p.x() y = p.y() print("On Hover", p.pos().x(), p.pos().y()) def mouseMoveEvent(self, e): x = e.x() y = e.y() print("On Hover", e.pos().x(), e.pos().y()) text = "x: {0}, y: {1}".format(x, y) self.statusbar.showMessage(text) def mousePressEvent(self, event): print(event) def keyPressEvent(self, e): if e.key() == Qt.Key_Escape: self.close() if __name__ == "__main__": import sys app = QtWidgets.QApplication(sys.argv) layout_window = QtWidgets.QMainWindow() ui = Ui_layout_window() ui.setupUi(layout_window) layout_window.show() sys.exit(app.exec_())

1条回答

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1楼 · 发布于 2024-09-28 01:27:39

您将函数mousePressEvent()定义了两次，然后就再也没有调用它或将它绑定到任何东西上

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