51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
"""输入框组件"""
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from textual.containers import Container
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from textual.widgets import Input
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from textual.message import Message
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class InputBox(Container):
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"""输入框组件"""
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class SendMessage(Message):
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"""发送消息事件"""
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def __init__(self, content: str) -> None:
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self.content = content
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super().__init__()
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def __init__(self, **kwargs):
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super().__init__(**kwargs)
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self._history: list[str] = []
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self._history_index: int = -1
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def compose(self):
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"""构建输入框"""
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yield Input(
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placeholder="输入消息... (Enter发送)",
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id="input-textarea"
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)
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def on_mount(self) -> None:
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"""组件挂载时"""
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# 设置焦点
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input_widget = self.query_one(Input)
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input_widget.focus()
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def on_input_submitted(self, event: Input.Submitted) -> None:
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"""处理输入提交事件"""
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content = event.value.strip()
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if content:
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# 保存到历史
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self._history.append(content)
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self._history_index = len(self._history)
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# 发送消息
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self.post_message(self.SendMessage(content))
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# 清空输入框
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event.input.value = ""
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def focus(self) -> None:
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"""聚焦输入框"""
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input_widget = self.query_one(Input)
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input_widget.focus()
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