PySide2文件拖入功能并添加遮罩

作者：YXN-python 阅读量：10 发布日期：2024-11-05

import sys
from PySide2.QtWidgets import QApplication, QMainWindow, QWidget, QLabel, QVBoxLayout
from PySide2.QtCore import Qt
from PySide2.QtGui import QDragEnterEvent, QDropEvent, QPalette, QColor


class Overlay(QWidget):
    def __init__(self, parent=None):
        super(Overlay, self).__init__(parent)
        self.setAttribute(Qt.WA_TransparentForMouseEvents)
        self.setAttribute(Qt.WA_NoSystemBackground)

        # 设置邮件的布局和标签
        layout = QVBoxLayout(self)
        self.label = QLabel("释放以将文件放在此处", self)
        self.label.setAlignment(Qt.AlignCenter)
        self.label.setStyleSheet("color: #0196FF; font-size: 24px;")
        layout.addWidget(self.label)

        # 使背景半透明
        self.setPalette(QPalette(QColor(0, 0, 0, 200)))
        self.setAutoFillBackground(True)

        self.hide()  # 最初隐藏覆盖

    def resizeEvent(self, event):
        super().resizeEvent(event)
        self.setGeometry(self.parent().rect())


class MainWindow(QMainWindow):
    def __init__(self):
        super().__init__()
        self.setWindowTitle("松开鼠标以播放")
        self.setAcceptDrops(True)

        # 设置覆盖
        self.overlay = Overlay(self)
        self.overlay.setGeometry(self.rect())

    def resizeEvent(self, event):
        super().resizeEvent(event)
        self.overlay.setGeometry(self.rect())

    def dragEnterEvent(self, event: QDragEnterEvent):
        if event.mimeData().hasUrls():
            event.setDropAction(Qt.CopyAction)
            event.accept()
            self.overlay.show()  # 拖动开始时显示覆盖
        else:
            event.ignore()

    def dragLeaveEvent(self, event):
        self.overlay.hide()  # 拖动离开窗口时隐藏覆盖
        event.accept()

    def dropEvent(self, event: QDropEvent):
        # 放下后隐藏覆盖
        self.overlay.hide()

        # 处理拖放的文件
        urls = event.mimeData().urls()
        for url in urls:
            file_path = url.toLocalFile()
            print("接收到文件：", file_path)

        event.acceptProposedAction()


if __name__ == "__main__":
    app = QApplication(sys.argv)
    window = MainWindow()
    window.resize(400, 300)
    window.show()
    sys.exit(app.exec_())

YXN-python

2024-11-05