ZacharyZhang-NYandClaude Opus 5.5
bcce34cda1
MyGo v0.5.5 returns ui.Element as a checked value handle instead of a
pointer. Migrated with `mygo migrate-ui`, then fixed what the codemod
leaves to review:
- Element nil checks become .Valid(); absent elements are ui.Element{}.
- Input handlers and paint callbacks run outside the build pass, where
elements expire and Context methods are inert: read IsDisabled into a
local during the build, keep a ui.Handle for Focus, use c.Services()
for clipboard access, create ui.Local state during the build.
- Add core.AutoFocus: v0.5.5 records an overlay's opener after its
content builds, so same-frame autofocus lost focus restore on close.
It focuses one frame later; cascader rows defer their focus likewise.
- core.OverlayLayer identifies build passes by the root element, not
c.Now(), which repeats across passes and under the Tester clock.
- Context menus survive the opening press counted as PressedOutside;
split button tooltip no longer reorders its open menu; disabled
menubar rows pass presses to the panel; Form defers blur-started
async checks so the growing message no longer moves Submit away
from the release; Combobox drops its disabled copy now that MyGo
blocks typing under a disabled wrapper (canary flipped to a guard).
- The Tester clock is virtual: tests use Advance/Now instead of
time.Sleep/time.Now and read element state inside the view. The web
mirror advances the clock to wall time before each frame and input.
- AGENTS.md and docs describe the value Element API and the new pin.
Snapshot goldens are darwin-only and were not re-verified here.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
44 lines
1.1 KiB
Markdown
44 lines
1.1 KiB
Markdown
# 500 ActivityFeed 活动流
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## 用途
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按日分组显示“参与者 动作 对象 时间”，今天与昨天用文字，其余显示日期；只构建可见行。
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## 最小示例
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```go
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events := []feedback.Activity{
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{ID: "1", Actor: "Lin", Action: "commented on", Object: "Quarterly report", Time: time.Now()},
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}
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view := func(c *ui.Context) {
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core.Use(c, core.Settings{})
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feedback.ActivityFeed(c, events, feedback.ActivityFeedOptions{}).Size(380, 280)
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}
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```
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签名：`func ActivityFeed(c *ui.Context, items []Activity, opts ActivityFeedOptions) ui.Element`
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## 参数
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| 字段 | 类型 | 默认值 | 含义 |
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| --- | --- | --- | --- |
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| `items` | `[]Activity` | 必填 | ID、Actor、Action、Object、Time；缺 ID、Actor、Action 或 Time panic。 |
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| `Location` | `*time.Location` | `time.Local` | 按哪个时区划分日期。 |
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| `Today` | `Date` | 时钟 | 固定“今天”。 |
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## 状态
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日期标题使用衬线字与旧金细线；无数据时显示空状态。
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## 事件
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无。
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## 键盘操作
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滚动容器按 MyGo 规则滚动。
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## 限制
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分组只在条数、首尾 ID 或时区变化时重算；中间条目原地修改需换新切片。
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