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TrulyMEM-TrueHumanMEM/graph_memory_tui/widgets/message_widget.py
2026-04-11 09:30:56 +08:00

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"""消息组件"""
from textual.containers import Container, Vertical
from textual.widgets import Static
from textual.message import Message
from ..models.message import Message as MessageModel
class MessageWidget(Container):
"""单条消息组件"""
def __init__(self, message: MessageModel, **kwargs):
super().__init__(**kwargs)
self._message = message
self._show_tool_details = False
self._content_widget = None # 保存内容组件的引用
def compose(self):
"""构建消息组件"""
# 消息头
role_emoji = "🟠" if self._message.role == "user" else "🔵"
timestamp_str = self._message.timestamp.strftime("%H:%M:%S")
yield Static(
f"{role_emoji} {timestamp_str}",
classes="message-header"
)
# 消息内容 - 保存引用以便后续更新
self._content_widget = Static(
self._message.content,
classes="message-content"
)
yield self._content_widget
# 工具调用指示器
if self._message.tool_calls:
tool_count = len(self._message.tool_calls)
yield Static(
f"[工具:{tool_count}次] (F3展开)",
classes="tool-indicator"
)
# 工具调用详情(默认折叠)
if self._show_tool_details:
with Vertical(classes="tool-details"):
for i, tool_call in enumerate(self._message.tool_calls, 1):
yield Static(
f"工具 {i}: {tool_call.name}",
classes="tool-name"
)
yield Static(
f"参数: {tool_call.arguments}",
classes="tool-args"
)
# 显示执行结果
if self._message.tool_results:
for result in self._message.tool_results:
if result.tool_call_id == tool_call.id:
# 显示完整结果,不截断
result_text = result.result
# 如果结果太长只显示前1000字符但提供完整信息
if len(result_text) > 1000:
result_text = result_text[:1000] + f"\n... (共{len(result.result)}字符按F3查看完整内容)"
yield Static(
f"结果: {result_text}",
classes="tool-result"
)
def update_content(self, new_content: str) -> None:
"""更新消息内容"""
self._message.content = new_content
if self._content_widget:
self._content_widget.update(new_content)
def toggle_tool_details(self) -> None:
"""切换工具详情显示状态"""
if self._message.tool_calls:
self._show_tool_details = not self._show_tool_details
self.refresh()