fix(app-iced): 导航轨 hover/pressed 状态层落回药丸(M283)
`rail_item` 里同一个元素并存两种形状:选中画 56×32 `radius(Full)` 的药丸, 而 hover/pressed 走 `button(stack).style(..)`,底色铺在整个按钮上 (88×52,`Border::default()` ⇒ r=0)。用户原话就是这一处:「侧边栏按钮 hover/click 是父容器整个方形区域颜色加深,而不是 MD3E 应有的胶囊 UI」。 改法照 `components/navigation/drawer/item.rs`(全仓唯一正确的导航实现): - 状态层改由药丸自己的 `container.style` 求值,经 `interaction::layer_color`; 选中/未选中两条分支不合并(选中静息兜底 `SecondaryContainer`,未选中兜底 `None`); - `base` 取 `MaterialLayer::Canvas.surface_role()`(导航轨画的就是 Canvas),不写字面量角色; - `button.style` 的 `background` 恒为 `None` —— 按钮不再有任何形状上的主张; - `interaction::tracked` 只在 `forced.is_none()` 时套(强制态是取证,不许有过渡中间帧); - 轨底账户位同型:状态层落在头像那个 Ø40 圆上,不是 88×52 的按钮; - 药丸几何收敛到 `state_layer_box()` 一个定义点(`rail_item` 与单测都读它)。 判据: - `shell::tests::the_state_layer_is_drawn_on_the_pill_not_across_the_rail`(几何) - `shell::tests::the_rail_never_paints_its_state_layer_on_the_button`(结构:扫源码, `button(stack)..on_press` 闭包里不许出现 `Background::Color`、`tracked` 必须有 `forced.is_none()` 守卫)。两条都做过反向验证:把写法改回去,两条同时红。 取证(`DevDocs/artifacts/navpill/`):`--force-state=rest` 与改前**逐字节相同** (md5 1ebb611b3edc156925ca802d3f4fa76d);hover/pressed 的高亮区从 88×52 矩形 变成 56×32 药丸(四角为空),账户位从 88×52 变成 Ø40 圆。
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@@ -4,14 +4,16 @@
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//! (未登录/已登录两态、窄高收成图标条的判据、点击跳账户页)。
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use iced::widget::{button, column, container, text};
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use iced::{Alignment, Background, Border, Element, Length, Shadow, Theme as IcedTheme};
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use iced::{Alignment, Background, Border, Color, Element, Length, Shadow, Theme as IcedTheme};
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use unlucky_design::color::{Role, StateLayer};
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use unlucky_design::color::Role;
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use unlucky_design::elevation::MaterialLayer;
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use unlucky_design::icons::IconKind;
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use unlucky_design::shape::ShapeScale;
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use unlucky_design::spacing::Space;
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use unlucky_design::typography::TypeRole;
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use crate::app::components::interaction::{self, Interaction};
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use crate::app::Message;
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use crate::cli::ForcedState;
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use crate::icons;
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@@ -75,6 +77,9 @@ pub(super) fn account_item<'a>(
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) -> Element<'a, Message> {
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let (indicator_width, indicator_height) = indicator;
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let active = selected == NavItem::Account;
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// 取证态与运行期态是**同一个** `Interaction`:强制态由 `overridden` 直接推(`None` → `Active`
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// → `Enabled`),运行期的真态由 `interaction::tracked` 的取样层在 draw 里给。
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let state = Interaction::from_status(overridden(forced, button::Status::Active));
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let label_color = if active {
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ui.color(Role::Secondary)
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} else {
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@@ -97,7 +102,8 @@ pub(super) fn account_item<'a>(
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.align_x(Alignment::Center)
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.align_y(Alignment::Center)
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.style(move |_theme| container::Style {
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background: Some(Background::Color(ui.color(Role::SecondaryContainer))),
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// 状态层画在**头像这个圆**上(M283),不再摊到 88×52 的按钮上。
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background: avatar_color(ui, state, true).map(Background::Color),
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border: Border {
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radius: ui.radius(ShapeScale::Full, avatar_size(ui, indicator_width)),
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..Border::default()
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@@ -115,6 +121,8 @@ pub(super) fn account_item<'a>(
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.align_x(Alignment::Center)
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.align_y(Alignment::Center)
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.style(move |_theme| container::Style {
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// 未登录的头像静息只有描边:状态层照样落在**这个圆**里(M283)。
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background: avatar_color(ui, state, false).map(Background::Color),
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border: Border {
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color: ui.color(Role::Outline),
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width: 1.0,
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@@ -145,31 +153,51 @@ pub(super) fn account_item<'a>(
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);
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}
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button(stack)
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let clickable: Element<'a, Message> = button(stack)
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.width(nav_rail_width(ui.metrics()))
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.height(height)
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.padding(0)
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.style(move |_theme: &IcedTheme, status| button::Style {
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background: match overridden(forced, status) {
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button::Status::Hovered if !active => Some(Background::Color(ui.state_over(
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StateLayer::Hover,
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Role::OnSurface,
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Role::Surface,
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))),
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button::Status::Pressed if !active => Some(Background::Color(ui.state_over(
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StateLayer::Pressed,
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Role::OnSurface,
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Role::Surface,
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))),
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_ => None,
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},
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.style(move |_theme: &IcedTheme, _status| button::Style {
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// 底色**恒为 `None`**:状态层由头像圆给(M283,同一个元素不许并存两种形状)。
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background: None,
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text_color: label_color,
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border: Border::default(),
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shadow: Shadow::default(),
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snap: true,
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})
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.on_press(Message::Select(NavItem::Account))
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.into()
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.into();
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// A8:运行期态套状态取样控件(强制态 = 取证,**不套**:取证图不许有过渡中间帧)。
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if forced.is_none() {
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interaction::tracked(clickable, true)
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} else {
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clickable
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}
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}
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/// 头像圆的底色(**唯一**实现点):hover / pressed / 过渡帧都画在这个 Ø40 圆上。
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///
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/// 两条分支不许合并(照 `drawer/item.rs` 的 `pill_color`):已登录的头像静息是实色
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/// `SecondaryContainer`,缺层时兜底到那个角色;未登录的头像静息只有描边、不填底,
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/// 兜底就必须是 `None`。
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fn avatar_color(ui: &Ui, state: Interaction, signed_in: bool) -> Option<Color> {
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if signed_in {
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interaction::layer_color(
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ui,
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state,
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Role::OnSecondaryContainer,
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Role::SecondaryContainer,
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)
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.or_else(|| Some(ui.color(Role::SecondaryContainer)))
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} else {
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// 头像直接摆在导航轨上(轨画的是 `MaterialLayer::Canvas`):状态层要叠在同一个角色上。
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interaction::layer_color(
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ui,
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state,
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Role::OnSurface,
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MaterialLayer::Canvas.surface_role(),
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)
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}
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}
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/// 头像位边长 = 指示器宽 − 16,但不超过 48(12b 里没有这个控件,按令牌栅格取整)。
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