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Unlucky-Launcher/crates/app-iced/src/components/gallery/navigation.rs
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AskaEth a36f542f28 fix(app-iced): M79 r2 —— 四条 review 修复(对齐/单行/可比对象/整行分隔线)
代码 r1 P2-1 = 视觉 r1 P2-1(同一处,必修)
- `app_bar::action`:容器只给了 `align_y` → 24px 图标贴 40×40 命中区左缘(实测前导墨迹
  `38..58`,应 `44..68`;hover 的圆形状态层也露在图标一侧)。补 `align_x(Center)`;
  同时页头内容行补 `align_y(Center)`(`Container` 默认 Top,整行原本贴顶)。
- 把 Q21 升格成规则并全目录复查(结论写进 `navigation/mod.rs` 的表):
  app_bar 命中区/页头行、tabs tab 内容、drawer 药丸 = 两轴显式居中;
  list_item 文本块与 drawer 分组标题 = 左上起排(`Start` 是对的,不需要居中)。
  回归钉子:`navigation::probe` 的 appbar 断言量「左内缩 == 右内缩 ±2」。

代码 r1 P2-2(必修):四件文本都没有单行约束,容器高度却是固定值
- `app_bar`(标题/副标题)、`list_item::line`、`drawer::line`、`tabs` 标签统一
  `.wrapping(Wrapping::None)` + 外层 `clip(true)`;页头/ListiItem/drawer 的文本块改成
  `Fill + clip`,长文本切在文本区里,不折行、不顶穿、不压 trailing 动作。
- iced 没有 ellipsis → 按 `inputs/menu.rs` 的 D19 先例登记 **D-M79-5**
  (官方要单行 ellipsis,我们单行 + 超长直接切割)。
- 取证:gallery 新增 `ULL_NAV_PART=long`(长实例名整块)+ `navigation/probe/long.rs`
  量「行高仍 44/60/76 / 页头仍 56 / 标题墨迹右缘 < trailing 左缘」。取证块按
  `selection::matrix` 的先例收进 `navigation/matrix.rs`(gallery 单文件贴 400 红线)。

视觉 r1 P2-2(必修):ListItem 三列内容不同 → 「选中 trailing = Primary」没有可比对象
- 三列都挂 `trailing(settings)`,只有 selected 列走 `Primary`(其余 `OnSurface` / 38%)。

视觉 r1 P2-2(可选,已做):Secondary 分隔线逐 tab 分段 + 0.5 圆角留了 1px 亮缝
- 改成**整行一条**:`Stack` 把一条 `Fill` 的 1px `SurfaceVariant` 压在 tab 行底下
  (底座是 tab 行本身 → 线长 = tab 行总宽,横向滚动跟着走)。
- `TabsGeometry::bar_radius(bool)` 收成 `indicator_radius()`(只有 3px 的 Primary 条要圆角),
  单测同步;probe 新增「Secondary 分隔线必须 1 段」的断言。

门禁:`cargo fmt --all --check` ✓ · `cargo build -p unlucky-app-iced --lib` 零 warning ✓
(截图/探针/测试的实时输出见完成报告;本轮宿主机被多条并行线的 rustc 打满,
bin 链接排队严重,如未取到会如实标注未完成项。)
2026-11-02 11:56:02 +08:00

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//! gallery 里的导航类小节:四块状态矩阵 + 一块长文案块(**断言在 `navigation::probe`**)。
//!
//! ## 块选择器 `ULL_NAV_PART`
//!
//! `ULL_GALLERY_SECTION=navigation` 只隔离家族;本家族自己就有四块矩阵 + 长文案块,竖排比 760 高,
//! 一屏只拍得到第一块。所以按契约 §9.2 的同一套规则再切一层(环境变量 + 默认兼容 + 未知值回落并打
//! stderr):`ULL_NAV_PART=list|tabs|drawer|appbar|long|all`(默认 `all`)。
//!
//! ```text
//! ULL_GALLERY_SECTION=navigation ULL_NAV_PART=list ./target/debug/unlucky-launcher-iced.exe //! --software-renderer --screen=gallery --screenshot target/m79/list-light.png --screenshot-theme=light
//! ULL_NAV_DIR=target/m79 cargo test -p unlucky-app-iced navigation::probe
//! ```
//!
//! ## 矩阵形状
//!
//! ```text
//! ListItem 行 = 一 / 两 / 三行(44 / 60 / 76) 列 = 选中 / 未选中 / 禁用(三列槽位完全相同)
//! Tabs 三行 Primary(选中第 1/2/3 个)+ 一行 Secondary + 一行五态
//! Drawer rail 88 与 drawer 240 **同尺度并排**(D33),各 3 项、第 2 项 hover、第 3 项禁用
//! AppBar 静息 / 滚动两态(56 高;滚动只换容器色 + L2)
//! long 长文案:页头 + 三行 ListItem + drawer(单行约束 D-M79-5 的取证)
//! ```
//!
//! 取景板(`SurfaceContainerLow`)不是装饰:`Surface` 的页头/导航与页面底色同色,不垫一层板子,
//! 截图里量不到边界(probe 就是靠板量 88 / 240 的)。
use iced::widget::{column, container, row, text};
use iced::{Background, Element, Length};
use unlucky_design::color::Role;
use unlucky_design::icons::IconKind;
use unlucky_design::spacing::Space;
use unlucky_design::typography::TypeRole;
use crate::theme::Ui;
use super::super::interaction::Interaction;
use super::super::navigation::{
self, app_bar, list_item, navigation, tabs, AppBar, AppBarAction, ListItem, NavGroup, NavItem,
NavLayout, Navigation, Tab, Tabs, TabsVariant,
};
use super::{heading, DemoMessage};
/// 块选择器的环境变量名(语义见模块文档)。
pub const PART_ENV: &str = "ULL_NAV_PART";
/// 本次渲染哪一块(`all` = 四块都渲染,默认)。
fn part() -> String {
let Ok(raw) = std::env::var(PART_ENV) else {
return "all".to_owned();
};
let name = raw.trim().to_ascii_lowercase();
match name.as_str() {
"" | "all" | "list" | "tabs" | "drawer" | "appbar" | "long" => name,
_ => {
eprintln!(
"[gallery] {PART_ENV}={raw:?} 不是已知块(all|list|tabs|drawer|appbar|long),已回落 all"
);
"all".to_owned()
}
}
}
/// 演示消息(组件只认泛型,映射在 gallery 侧落地)。
fn pressed() -> DemoMessage {
DemoMessage::Pressed("navigation")
}
fn icon(name: &str) -> IconKind {
match name {
"download" => IconKind::Download,
"logs" => IconKind::Logs,
"settings" => IconKind::Settings,
_ => IconKind::Instances,
}
}
/// 取景板:`SurfaceContainerLow` 底(`Surface` 的页头/导航要靠它才有边界)。
fn plate<'a>(
ui: &'a Ui,
pad: f32,
content: impl Into<Element<'a, DemoMessage>>,
) -> Element<'a, DemoMessage> {
container(content)
.padding(pad)
.style(move |_theme| container::Style {
background: Some(Background::Color(ui.color(Role::SurfaceContainerLow))),
..container::Style::default()
})
.into()
}
/// 一行小字图例。
fn note<'a>(ui: &'a Ui, value: &'a str) -> Element<'a, DemoMessage> {
let style = ui.style(TypeRole::BodySmall);
text(value)
.size(style.size_px)
.font(ui.font_of(style))
.color(ui.color(Role::OnSurfaceVariant))
.into()
}
/// 导航类家族的小节。
pub(super) fn section<'a>(ui: &'a Ui) -> Element<'a, DemoMessage> {
let picked = part();
let mut body = column![heading(
ui,
"navigation · list item / tabs / drawer / app bar",
"12b §4/§6/§16 + 15 §21:ListItem 44/60/76 · Tabs 48 + 指示条 3 · \
Drawer = rail 88 ⇄ drawer 240(同一容器)· AppBar 56 + 滚动换色"
)]
.spacing(ui.space(Space::X8));
if picked == "all" || picked == "list" {
body = body.push(list_part(ui));
}
if picked == "all" || picked == "tabs" {
body = body.push(tabs_part(ui));
}
if picked == "all" || picked == "drawer" {
body = body.push(drawer_part(ui));
}
if picked == "all" || picked == "appbar" {
body = body.push(app_bar_part(ui));
}
if picked == "long" {
body = body.push(navigation::matrix::long_part(ui, pressed));
}
body.into()
}
/// 一个列表格(宽 = `nav_drawer_width` 240:够放下 icon + 两行文本,且与 drawer 药丸 216 可区分)。
fn list_cell<'a>(ui: &'a Ui, item: ListItem<'a, DemoMessage>) -> Element<'a, DemoMessage> {
container(list_item(ui, item))
.width(Length::Fixed(ui.metrics().nav_drawer_width))
.into()
}
/// ListItem:三行高 × {选中 / 未选中 / 禁用}。
fn list_part<'a>(ui: &'a Ui) -> Element<'a, DemoMessage> {
let states = ["selected", "enabled", "disabled"];
let mut grid = column![].spacing(ui.space(Space::X4));
let header = states
.iter()
.map(|name| {
container(note(ui, name))
.width(Length::Fixed(ui.metrics().nav_drawer_width))
.into()
})
.collect::<Vec<Element<'a, DemoMessage>>>();
grid = grid.push(
row![
note(ui, "rows +16 each · 44 / 60 / 76"),
row(header).spacing(ui.space(Space::X2))
]
.spacing(ui.space(Space::X2)),
);
for (index, lines) in ["one line", "two lines", "three lines"].iter().enumerate() {
let mut cells = row![].spacing(ui.space(Space::X2));
for state in states {
// 三列的**内容完全相同**(同样的槽位),只有态不同——否则「选中 trailing = Primary」
// 这条结论没有可比对象(视觉 r1 P2-2 点名)
let mut item = ListItem::new(lines, pressed())
.leading(icon("instances"))
.trailing(icon("settings"));
if index >= 1 {
item = item.supporting("3 versions · 1.21.4");
}
if index >= 2 {
item = item.overline("RECENT");
}
item = match state {
"selected" => item.selected(),
// 禁用是修饰器:这里只清消息,槽位全部保留
"disabled" => item.disabled(),
_ => item.state(Interaction::Enabled),
};
cells = cells.push(list_cell(ui, item));
}
grid = grid.push(cells);
}
column![
note(
ui,
"ListItem · 选中 = SecondaryContainer(偏离 D-M79-1:A1 的 ListItem 不换底色)· \
禁用 = OnSurface@38%(A1 ListTokens)"
),
grid,
]
.spacing(ui.space(Space::X2))
.into()
}
/// Tabs:两行 Primary(短 / 长文案各选中一次 → 指示条宽度必须不同)+ Secondary + 五态。
fn tabs_part<'a>(ui: &'a Ui) -> Element<'a, DemoMessage> {
let primary_row = |selected: usize| {
let mut builder = Tabs::primary();
for (index, label) in ["Logs", "Instance details", "Settings"].iter().enumerate() {
let mut tab = Tab::new(label, pressed());
if index == 2 {
// 6.1:带图标的 Tabs 容器高 64(纯文字 48)
tab = tab.icon(icon("settings"));
}
if index == selected {
tab = tab.selected();
}
builder = builder.tab(tab);
}
tabs(ui, builder)
};
let state_row = {
let mut builder = Tabs::primary();
for (index, state) in [
Interaction::Enabled,
Interaction::Hovered,
Interaction::Focused,
Interaction::Pressed,
Interaction::Disabled,
]
.iter()
.enumerate()
{
let mut tab = Tab::new("Tab", pressed()).state(*state);
if index == 0 {
tab = tab.selected();
}
builder = builder.tab(tab);
}
tabs(ui, builder)
};
let secondary = tabs(
ui,
Tabs::secondary()
.tab(Tab::new("Release", pressed()).selected())
.tab(Tab::new("Snapshot", pressed()))
.tab(Tab::new("Legacy", pressed()).disabled()),
);
// 两式的名字进图例(同时把 `TabsVariant::ALL` 变成可点检的常量,而不是死代码)
let legend = TabsVariant::ALL
.iter()
.map(|variant| note(ui, variant.name()))
.collect::<Vec<_>>();
column![
note(
ui,
"Tabs · Primary 三行 = 选中第 1 / 2 / 3 个(指示条跟着走且宽度跟随该项);Secondary:1px SurfaceVariant"
),
row(legend).spacing(ui.space(Space::X4)),
primary_row(0),
primary_row(1),
primary_row(2),
secondary,
note(ui, "Primary 五态(第 1 项选中;未选项 hover/focus/pressed 提到 OnSurface)"),
state_row,
]
.spacing(ui.space(Space::X2))
.into()
}
/// 导航容器:rail 88 与 drawer 240 **同尺度并排**(D33 的可验收形式)。
fn drawer_part<'a>(ui: &'a Ui) -> Element<'a, DemoMessage> {
// 取景板高 288(= Space::X8 × 9):装得下 drawer 的「两个分组 + 三项 + 两次标题」,否则末行被裁
let plate_height = ui.space(Space::X8) * 9.0;
let mut panes = row![].spacing(ui.space(Space::X6));
for layout in NavLayout::ALL {
let builder = match layout {
NavLayout::Rail => Navigation::rail(),
NavLayout::Drawer => Navigation::drawer(),
};
let pane = builder
.group(
NavGroup::titled("LIBRARY")
.item(NavItem::new("Instances", icon("instances"), pressed()).selected())
.item(
NavItem::new("Download", icon("download"), pressed())
.state(Interaction::Hovered),
),
)
.group(
NavGroup::titled("SYSTEM")
.item(NavItem::new("Settings", icon("settings"), pressed()).disabled()),
);
let width = match layout {
NavLayout::Rail => ui.metrics().nav_rail_width,
NavLayout::Drawer => ui.metrics().nav_drawer_width,
};
// 取景板比容器大一圈(pad 8):`Surface` 的导航与页面底色同色,板要露边才量得到
let pad = ui.space(Space::X2);
panes = panes.push(
container(container(navigation(ui, pane)).height(Length::Fixed(plate_height)))
.width(Length::Fixed(width + pad * 2.0))
.height(Length::Fixed(plate_height + pad * 2.0))
.padding(pad)
.style(move |_theme| container::Style {
background: Some(Background::Color(ui.color(Role::SurfaceContainerLow))),
..container::Style::default()
}),
);
}
column![
note(
ui,
"D33:同一个容器两个宽度 —— rail(药丸 56×32)|drawer(药丸 216×56,左右各缩 12); 第 2 项 hover、第 3 项禁用"
),
panes,
row![
note(ui, "左→右:"),
note(ui, NavLayout::Rail.name()),
note(ui, NavLayout::Drawer.name()),
]
.spacing(ui.space(Space::X2)),
]
.spacing(ui.space(Space::X2))
.into()
}
/// AppBar small:静息 / 滚动两态(56 高;滚动换容器色 + L2)。
fn app_bar_part<'a>(ui: &'a Ui) -> Element<'a, DemoMessage> {
let bar = |scrolled: bool| {
app_bar(
ui,
AppBar::new("Instances")
.subtitle(if scrolled {
"scrolled · SurfaceContainer + L2"
} else {
"resting · Surface + L0"
})
.leading(AppBarAction::inert(icon("instances")))
.trailing(AppBarAction::new(icon("settings"), pressed()))
.scrolled(scrolled),
)
};
column![
note(
ui,
"AppBar small · 56 高(A1 64,偏离 D-M79-2)· 滚动只换容器色与高程,不改高度(A1 无 OnScroll…Height)"
),
plate(ui, ui.space(Space::X2), column![bar(false), bar(true)].spacing(ui.space(Space::X2))),
]
.spacing(ui.space(Space::X2))
.into()
}