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>
63 lines
1.9 KiB
Markdown
63 lines
1.9 KiB
Markdown
# 313 BlameView 逐行追溯
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## 用途
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代码逐行显示最后修改的作者与提交；同一提交的连续行合并显示，悬停显示提交详情。只构建可见行。
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## 最小示例
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```go
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var state git.BlameViewState
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lines := []git.BlameLine{
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{Hash: "a1b2c3d4", Author: "Sakiko", When: time.Now(), Summary: "Add main", Text: "package main"},
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{Hash: "a1b2c3d4", Author: "Sakiko", When: time.Now(), Summary: "Add main", Text: "func main() {}"},
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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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git.BlameView(c, &state, lines, git.BlameViewOptions{Language: "go"}).Height(240)
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}
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ui.Render(view, 400, 300, 1)
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```
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签名：`func BlameView(c *ui.Context, s *BlameViewState, lines []BlameLine, opts BlameViewOptions) ui.Element`
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## 参数
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`BlameLine`
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| 字段 | 类型 | 默认值 | 含义 |
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| --- | --- | --- | --- |
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| Hash | string | 必填 | 提交哈希；为空时 panic。 |
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| Author | string | "" | 作者。 |
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| When | time.Time | 零值 | 提交时间。 |
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| Summary | string | "" | 提交标题，悬停时显示。 |
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| Text | string | "" | 该行代码。 |
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`BlameViewOptions`
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| 字段 | 类型 | 默认值 | 含义 |
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| --- | --- | --- | --- |
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| Language | string | "" | 语法高亮语言，如 go；空为纯文本。 |
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| TimeFormat | string | "2006-01-02" | 日期格式。 |
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`BlameViewState` 由调用方持有；块注释状态在数据或语言变化时计算一次。给返回元素一个高度。
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## 状态
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- 每段同提交行只在首行显示短哈希、作者与日期，段之间有细分隔线。
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- 左栏悬停为 SurfaceHover，600 ms 后显示提示：完整哈希、作者、日期与标题。
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- 代码使用统一的语法颜色，注释为斜体。
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## 事件
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- 无。
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## 键盘操作
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- 列表可获得焦点并滚动；输入行首文字跳转到该行。
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## 限制
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- 长行不换行，超出部分裁剪。
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- 悬停详情使用 MyGo 提示，只能用指针触发；每行左栏的名称同样朗读作者与提交。
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