WIP components (as built)
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# 185 SymbolSearch
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## 用途
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代码搜索。
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## 最小示例
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```go
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var state mujica.SymbolSearchState
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rows := []mujica.MarketSymbol{{Code: "AAPL", Name: "Apple", Market: "NASDAQ", Type: "Stock"}}
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view := func(c *ui.Context) {
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mujica.Use(c, mujica.Settings{})
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r := mujica.SymbolSearch(c, &state, rows, mujica.SymbolSearchOptions{Markets: []string{"NASDAQ", "NYSE"}, Recent: rows})
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if r.Changed || r.Picked || r.Retry {
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fmt.Println(state.Query, state.Market, r.Chosen.Code)
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}
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}
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ui.Render(view, 960, 440, 1)
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```
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## 参数
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`s.Query/Market` 为调用方搜索条件;`results` 是调用方异步结果。`Markets` nil 隐藏过滤;`Recent` 为空查询时显示;`Loading/Error/Disabled` 默认零值。
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## 状态
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默认、聚焦、禁用;异步结果支持加载、失败和空。
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## 事件
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if r.Changed || r.Picked || r.Retry { 调用方回调(state.Query, state.Market, r.Chosen.Code) }
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## 键盘操作
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Tab 聚焦输入与市场;Down 进入结果;Tab 到达结果按钮,Enter 选择。
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## 限制
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调用方处理搜索、市场过滤和最近记录;组件提供异步加载、失败和重试界面。
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