feat: keygen_gui 增加永久授权选项

src/auth/keygen_gui.py

@@ -15,12 +15,15 @@ if _project_root not in sys.path:
 
 from PyQt5.QtWidgets import (
     QWidget, QVBoxLayout, QHBoxLayout, QLabel, QLineEdit,
-    QPushButton, QFileDialog, QMessageBox, QApplication, QDateEdit
+    QPushButton, QFileDialog, QMessageBox, QApplication, QDateEdit, QCheckBox
 )
 from PyQt5.QtCore import Qt, QDate
 
 from src.auth.license_manager import generate_license
 
+# 永久授权的标识日期
+PERMANENT_EXPIRY = "2099-12-31"
+
 
 class LicenseKeygenWindow(QWidget):
     """授权发卡器主窗口"""
@@ -28,7 +31,7 @@ class LicenseKeygenWindow(QWidget):
     def __init__(self):
         super().__init__()
         self.setWindowTitle("Mega Water - 离线授权发卡器 (开发者专用)")
-        self.setMinimumSize(640, 340)
+        self.setMinimumSize(640, 360)
         self.move(400, 280)
 
         self._default_save_path = os.path.join(_project_root, "license.lic")
@@ -37,7 +40,6 @@ class LicenseKeygenWindow(QWidget):
     def _setup_ui(self):
         # ── 全局字体：无衬线，清晰 ──
         font_family = "Microsoft YaHei" if sys.platform == "win32" else "Segoe UI"
-        base_font = f"'{font_family}', 'Segoe UI', sans-serif"
         self.setStyleSheet(f"""
             * {{
                 font-family: {font_family}, 'Segoe UI', sans-serif;
@@ -79,17 +81,22 @@ class LicenseKeygenWindow(QWidget):
 
         # ── 到期时间选择行 ──
         exp_layout = QHBoxLayout()
-        exp_layout.setSpacing(12)
+        exp_layout.setSpacing(14)
         exp_label = QLabel("到期时间：")
         exp_label.setFixedWidth(90)
         self.exp_edit = QDateEdit()
         self.exp_edit.setCalendarPopup(True)
         self.exp_edit.setMinimumHeight(36)
         self.exp_edit.setMinimumWidth(160)
-        # 默认：当前日期 + 1 年
         self.exp_edit.setDate(QDate.currentDate().addYears(1))
+
+        self.perm_check = QCheckBox("永久授权 (不限时)")
+        self.perm_check.setMinimumHeight(36)
+        self.perm_check.stateChanged.connect(self._on_perm_changed)
+
         exp_layout.addWidget(exp_label, 0)
         exp_layout.addWidget(self.exp_edit, 0)
+        exp_layout.addWidget(self.perm_check, 0)
         exp_layout.addStretch(1)
         main_layout.addLayout(exp_layout)
 
@@ -143,6 +150,13 @@ class LicenseKeygenWindow(QWidget):
 
         self.setLayout(main_layout)
 
+    def _on_perm_changed(self, state):
+        """永久授权复选框状态变化时，联动日期选择器"""
+        if state == Qt.Checked:
+            self.exp_edit.setEnabled(False)
+        else:
+            self.exp_edit.setEnabled(True)
+
     def _on_browse(self):
         """打开文件对话框选择保存路径"""
         path, _ = QFileDialog.getSaveFileName(
@@ -163,13 +177,17 @@ class LicenseKeygenWindow(QWidget):
             QMessageBox.warning(self, "输入错误", "请输入机器码")
             return
 
-        expiry_date = self.exp_edit.date().toString("yyyy-MM-dd")
         output_path = self.path_input.text().strip()
-
         if not output_path:
             QMessageBox.warning(self, "输入错误", "请设置保存路径")
             return
 
+        # 根据是否勾选永久授权决定日期
+        if self.perm_check.isChecked():
+            expiry_date = PERMANENT_EXPIRY
+        else:
+            expiry_date = self.exp_edit.date().toString("yyyy-MM-dd")
+
         ok, msg = generate_license(
             machine_code=machine_code,
             output_path=output_path,