from PyQt5.QtWidgets import QDialog, QVBoxLayout, QLabel, QPushButton


class AboutDialog(QDialog):
    def __init__(self, parent=None):
        super().__init__(parent)
        self.setWindowTitle("关于")
        self.setFixedSize(400, 200)
        
        layout = QVBoxLayout()
        
        title = QLabel("KeyPresser", self)
        title.setStyleSheet("font-size: 18pt; font-weight: bold;")
        layout.addWidget(title)
        
        desc = QLabel("一个简单的按键模拟工具", self)
        layout.addWidget(desc)
        
        version = QLabel("版本: 专业版 (Python 无钩子版)", self)
        layout.addWidget(version)
        
        author = QLabel("作者: xiao liu", self)
        layout.addWidget(author)
        
        ok_button = QPushButton("确定", self)
        ok_button.clicked.connect(self.accept)
        layout.addWidget(ok_button)
        
        self.setLayout(layout)