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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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学段选择窗口
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处理题目数量输入和开始答题
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"""
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import tkinter as tk
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from tkinter import messagebox, ttk
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import sys
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import os
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# 添加父目录到路径
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sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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from ui.exam_window import ExamWindow
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class LevelSelectionWindow:
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"""学段选择窗口类"""
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def __init__(self, email, level):
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self.email = email
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self.level = level
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self.setup_ui()
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def setup_ui(self):
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"""设置UI界面"""
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self.window = tk.Tk()
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self.window.title(f"数学学习软件 - {self.level}")
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self.window.geometry("400x300")
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self.window.resizable(False, False)
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# 居中显示
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self.center_window()
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# 创建主框架
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main_frame = ttk.Frame(self.window, padding="30")
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main_frame.grid(row=0, column=0, sticky=(tk.W, tk.E, tk.N, tk.S))
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# 标题
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title_label = ttk.Label(main_frame, text=f"{self.level}数学练习",
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font=("Arial", 16, "bold"))
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title_label.grid(row=0, column=0, columnspan=2, pady=(0, 30))
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# 题目数量输入
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ttk.Label(main_frame, text="请输入题目数量:",
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font=("Arial", 12)).grid(row=1, column=0, sticky=tk.W, pady=10)
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self.count_var = tk.StringVar()
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self.count_entry = ttk.Entry(main_frame, textvariable=self.count_var,
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width=20, font=("Arial", 12))
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self.count_entry.grid(row=1, column=1, pady=10, padx=(10, 0))
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# 提示信息
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info_text = "建议题目数量：5-20题"
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info_label = ttk.Label(main_frame, text=info_text,
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font=("Arial", 9), foreground="gray")
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info_label.grid(row=2, column=0, columnspan=2, pady=(0, 20))
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# 按钮框架
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button_frame = ttk.Frame(main_frame)
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button_frame.grid(row=3, column=0, columnspan=2, pady=20)
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# 开始答题按钮
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start_btn = ttk.Button(button_frame, text="开始答题",
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command=self.start_exam, style="Large.TButton")
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start_btn.grid(row=0, column=0, padx=10)
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# 返回按钮
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back_btn = ttk.Button(button_frame, text="返回",
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command=self.go_back)
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back_btn.grid(row=0, column=1, padx=10)
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# 配置大按钮样式
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style = ttk.Style()
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style.configure("Large.TButton", font=("Arial", 12, "bold"))
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# 绑定回车键
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self.window.bind('<Return>', lambda e: self.start_exam())
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# 设置焦点
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self.count_entry.focus()
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def center_window(self):
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"""窗口居中显示"""
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self.window.update_idletasks()
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width = self.window.winfo_width()
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height = self.window.winfo_height()
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x = (self.window.winfo_screenwidth() // 2) - (width // 2)
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y = (self.window.winfo_screenheight() // 2) - (height // 2)
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self.window.geometry(f'{width}x{height}+{x}+{y}')
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def start_exam(self):
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"""开始答题"""
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try:
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count = int(self.count_var.get().strip())
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if count < 1 or count > 50:
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messagebox.showerror("错误", "题目数量应在1-50之间")
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return
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self.window.destroy()
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# 打开答题窗口
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exam_window = ExamWindow(self.email, self.level, count)
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except ValueError:
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messagebox.showerror("错误", "请输入有效的数字")
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def go_back(self):
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"""返回主窗口"""
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self.window.destroy()
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from ui.main_window import MainWindow
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main_window = MainWindow(self.email)
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