Files
playwrite/gui/widgets/log_text.py
Misaka 3b7c00377f style: format all Python files with Black
Apply Black formatter to the entire codebase for consistent code style.

Co-Authored-By: Claude (glm-5) <noreply@anthropic.com>
2026-02-26 22:44:03 +08:00

188 lines
5.6 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
日志文本框组件
带颜色支持的日志显示组件。
"""
import tkinter as tk
from datetime import datetime
class LogText(tk.Frame):
"""日志文本框组件(带滚动条)"""
# 日志级别颜色配置
LOG_COLORS = {
"INFO": "#000000", # 黑色
"SUCCESS": "#008000", # 绿色
"WARNING": "#FF8C00", # 深橙色
"ERROR": "#FF0000", # 红色
"DEBUG": "#808080", # 灰色
}
def __init__(self, parent, readonly=True, **kwargs):
"""
初始化日志文本框
Args:
parent: 父容器
readonly: 是否为只读模式
**kwargs: 其他参数
"""
super().__init__(parent)
# 创建文本框和滚动条
self.text = tk.Text(self, **kwargs)
self.scrollbar = tk.Scrollbar(self, orient=tk.VERTICAL, command=self.text.yview)
self.text.configure(yscrollcommand=self.scrollbar.set)
# 布局
self.text.grid(row=0, column=0, sticky="nsew")
self.scrollbar.grid(row=0, column=1, sticky="ns")
# 配置网格权重
self.grid_rowconfigure(0, weight=1)
self.grid_columnconfigure(0, weight=1)
# 标记 tags 是否已配置
self._tags_configured = False
# 设置为只读模式
if readonly:
self._make_readonly()
def _ensure_tags_configured(self):
"""确保文本标签已配置(延迟配置,在首次使用时)"""
if not self._tags_configured:
try:
for level, color in self.LOG_COLORS.items():
self.text.tag_config(level.lower(), foreground=color)
self._tags_configured = True
except Exception:
# 如果配置失败,标记为已尝试,避免重复尝试
self._tags_configured = True
def _make_readonly(self):
"""通过绑定事件使文本框只读"""
# 允许复制、全选等常用操作,阻止其他编辑操作
self.text.bind("<Key>", self._handle_key)
self.text.bind("<Button-1>", self._allow_click) # 允许左键点击选择
def _handle_key(self, event):
"""处理按键事件,允许复制操作,阻止编辑"""
# 允许的快捷键
allowed_keys = [
"Control-c", # 复制
"Control-C", # 复制(大写)
"Control-a", # 全选
"Control-A", # 全选(大写)
"Control-x", # 剪切(虽然剪不了,但不报错)
"Control-X",
]
# 检查是否是允许的快捷键
key_sym = event.keysym
state = event.state
# 检查 Ctrl 组合键
if state & 0x4: # Ctrl 键被按下
full_key = f"Control-{key_sym}"
if full_key in allowed_keys:
return # 允许执行
# 其他所有按键都阻止
return "break"
def _allow_click(self, event):
"""允许点击和选择文本"""
# 不打断事件,允许正常的选择操作
return
def log(self, message: str, level: str = "INFO") -> None:
"""
添加日志消息
Args:
message: 日志消息
level: 日志级别 (INFO, SUCCESS, WARNING, ERROR, DEBUG)
"""
# 确保 tags 已配置
self._ensure_tags_configured()
timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
log_message = f"[{timestamp}] [{level}] {message}\n"
# 插入文本
tag = level.lower() if self._tags_configured else None
if tag:
try:
self.text.insert("end", log_message, (tag,))
except Exception:
# 如果带标签插入失败,尝试不带标签
self.text.insert("end", log_message)
else:
self.text.insert("end", log_message)
# 自动滚动到底部
self.text.see("end")
def info(self, message: str) -> None:
"""添加 INFO 级别日志"""
self.log(message, "INFO")
def success(self, message: str) -> None:
"""添加 SUCCESS 级别日志"""
self.log(message, "SUCCESS")
def warning(self, message: str) -> None:
"""添加 WARNING 级别日志"""
self.log(message, "WARNING")
def error(self, message: str) -> None:
"""添加 ERROR 级别日志"""
self.log(message, "ERROR")
def debug(self, message: str) -> None:
"""添加 DEBUG 级别日志"""
self.log(message, "DEBUG")
def clear(self) -> None:
"""清空日志"""
self.text.delete("1.0", "end")
def save_to_file(self, file_path: str) -> bool:
"""
保存日志到文件
Args:
file_path: 保存路径
Returns:
是否成功
"""
try:
with open(file_path, "w", encoding="utf-8") as f:
f.write(self.text.get("1.0", "end-1c"))
return True
except Exception as e:
self.error(f"保存日志失败: {e}")
return False
# 委托其他常用方法到内部 text 组件
def pack(self, **kwargs):
"""Pack 布局"""
super().pack(**kwargs)
def grid(self, **kwargs):
"""Grid 布局"""
super().grid(**kwargs)
def apply_font(self, font_family: str, font_size: int):
"""应用字体设置"""
from tkinter import font as tk_font
font_spec = tk_font.Font(family=font_family, size=font_size)
self.text.configure(font=font_spec)