Inset panel highlights and align bar content

shell/ferese-shell/src/bar.rs

@@ -69,7 +69,7 @@ impl FereseShell {
                     },
                     owner.map_or(String::new(), |output| format!(", on {}", output.name))
                 ))
-                .height(bar.control_height)
+                .height(bar.group_item_height)
                 .padding(0)
                 .on_press(cosmic::Action::App(Message::ActivateWorkspace(workspace.id)));
 
@@ -90,7 +90,8 @@ impl FereseShell {
         }
         workspace_row = workspace_row.push(
             container(workspace_buttons)
-                .padding([0, 3])
+                .padding([2, 3])
+                .height(bar.group_height)
                 .class(theme::Container::custom(move |_| bar_group_style(shell_theme))),
         );
 
@@ -102,10 +103,11 @@ impl FereseShell {
                     .scroller_width(0),
             ))
             .width(Length::Fill)
-            .height(bar.control_height);
+            .height(bar.group_height);
         let (date, time) = self.clock.split_once(", ").unwrap_or(("", &self.clock));
         let clock = container(motion::button(
             button::custom(
+                container(
                     row![
                         text(date).size(12).class(theme::Text::Color(foreground)),
                         text(time).size(bar.text_size).class(theme::Text::Color(foreground)),
@@ -113,8 +115,10 @@ impl FereseShell {
                     .spacing(8)
                     .align_y(cosmic::iced::Alignment::Center),
                 )
-            .padding([4, 8])
-            .height(bar.control_height)
+                .center_y(bar.group_item_height),
+            )
+            .padding([0, 8])
+            .height(bar.group_item_height)
             .name("Open calendar")
             .on_press_with_rectangle(move |offset, bounds| {
                 cosmic::Action::App(Message::OpenMenuOn(
@@ -134,7 +138,8 @@ impl FereseShell {
                 .is_some_and(|menu| menu.kind == status_ui::Menu::Calendar),
             1.0,
         ))
-        .height(bar.control_height)
+        .padding([2, 3])
+        .height(bar.group_height)
         .align_y(alignment::Vertical::Center)
         .class(theme::Container::custom(move |_| bar_group_style(shell_theme)));
         let mut right = row![
@@ -149,7 +154,10 @@ impl FereseShell {
         .align_y(cosmic::iced::Alignment::Center);
         if self.display_mode.external_connected() {
             right = right.push(motion::button(
-                button::custom(bar_icon(ferese_theme::icons::DISPLAY, bar.icon_size, foreground))
+                button::custom(bar_content(
+                    bar_icon(ferese_theme::icons::DISPLAY, bar.icon_size, foreground),
+                    bar.control_height,
+                ))
                 .name("Display mode")
                 .height(bar.control_height)
                 .padding([0, 7])
@@ -196,7 +204,7 @@ impl FereseShell {
             ))
             .anchor_right()
             .width(Length::Shrink)
-            .height(bar.control_height);
+            .height(bar.group_height);
         let content = row![
             container(left).width(Length::Fill),
             center,
@@ -223,16 +231,27 @@ impl FereseShell {
     }
 }
 
+pub(super) fn bar_content<'a>(
+    content: impl Into<Element<'a, cosmic::Action<Message>>>,
+    height: f32,
+) -> cosmic::widget::Container<'a, cosmic::Action<Message>, cosmic::Theme, cosmic::Renderer> {
+    // A one-pixel optical offset below the geometric center. Compact bars
+    // reduce the offset so the 20 px icons keep their full size.
+    container(content)
+        .padding(cosmic::iced::Padding {
+            top: (height - 20.0).clamp(0.0, 2.0),
+            ..Default::default()
+        })
+        .center_y(height)
+}
+
 pub(super) fn overview_control(bar: BarMetrics, foreground: Color) -> Element<'static, cosmic::Action<Message>> {
-    container(bar_icon(
-        ferese_theme::icons::FERESE,
-        bar.overview_icon_size,
-        foreground,
-    ))
+    bar_content(
+        bar_icon(ferese_theme::icons::FERESE, bar.overview_icon_size, foreground),
+        bar.control_height,
+    )
     .width(bar.overview_icon_size)
-    .height(bar.control_height)
     .align_x(alignment::Horizontal::Center)
-    .align_y(alignment::Vertical::Center)
     .into()
 }
 
@@ -277,15 +296,14 @@ pub(super) fn workspace_indicator(
     } else {
         shell_theme.text_muted
     };
-    container(
+    bar_content(
         text(name.to_owned())
             .size(12)
             .class(theme::Text::Color(color(foreground))),
+        bar.group_item_height,
     )
     .width(24)
-    .height(bar.control_height)
     .align_x(alignment::Horizontal::Center)
-    .align_y(alignment::Vertical::Center)
     .class(theme::Container::custom(move |_| {
         workspace_selector_style(active, active_elsewhere, occupied, shell_theme)
     }))

shell/ferese-shell/src/main.rs

@@ -82,11 +82,17 @@ struct BarMetrics {
     icon_size: u16,
     overview_icon_size: u16,
     control_height: f32,
+    group_height: f32,
+    group_item_height: f32,
 }
 
 impl From<ShellTheme> for BarMetrics {
     fn from(theme: ShellTheme) -> Self {
         let height = theme.bar_height;
+        let control_height = (height - 4.0).max(21.0).min(height);
+        // Leave two logical pixels inside the group border on each side,
+        // including compact bars with 20 px icons.
+        let group_height = control_height.max(24.0).min(height);
 
         Self {
             height,
@@ -95,7 +101,9 @@ impl From<ShellTheme> for BarMetrics {
             text_size: 14,
             icon_size: 20,
             overview_icon_size: 20,
-            control_height: (height - 4.0).max(21.0).min(height),
+            control_height,
+            group_height,
+            group_item_height: (group_height - 4.0).max(0.0),
         }
     }
 }

shell/ferese-shell/src/status_ui/bar.rs

@@ -1,11 +1,13 @@
 use cosmic::iced::border::Shape as BorderShape;
-use cosmic::iced::{Alignment, Background, Border, Rectangle, alignment};
+use cosmic::iced::{Alignment, Background, Border, Rectangle};
 use cosmic::widget::{button, container, row};
 use cosmic::{Element, theme};
 
 use super::Menu;
 use crate::status::Snapshot;
-use crate::{BarMetrics, FereseShell, Message, accented_icon, bar_group_style, color, motion, recording, text};
+use crate::{
+    BarMetrics, FereseShell, Message, accented_icon, bar_content, bar_group_style, color, motion, recording, text,
+};
 
 impl FereseShell {
     pub fn view_status_bar(&self) -> Element<'_, cosmic::Action<Message>> {
@@ -91,13 +93,7 @@ impl FereseShell {
                     },
                 )));
             }
-            // A fixed button height does not center its child in libcosmic.
-            // center_y/center_x wrap the content in a centering layout, so use
-            // those rather than align_y/align_x on a fixed-size container.
-            let content = container(content)
-                .align_x(alignment::Horizontal::Center)
-                .height(metrics.control_height)
-                .center_y(metrics.control_height);
+            let content = bar_content(content, metrics.group_item_height);
             let recording_busy = kind == Menu::Recording && self.recorder.busy();
             let control = button::custom(content)
                 .name(if recording_busy {
@@ -108,7 +104,7 @@ impl FereseShell {
                     status_label(kind, &self.status)
                 })
                 .padding([0.0, ((metrics.height - f32::from(metrics.icon_size)) * 0.5).max(4.0)])
-                .height(metrics.control_height)
+                .height(metrics.group_item_height)
                 .on_press_with_rectangle(move |offset, bounds| {
                     if kind == Menu::Recording {
                         return cosmic::Action::App(if recording_busy {
@@ -130,7 +126,8 @@ impl FereseShell {
             controls = controls.push(motion::button(control, foreground, selected, 1.0));
         }
         container(controls)
-            .padding([0, 3])
+            .padding([2, 3])
+            .height(metrics.group_height)
             .class(theme::Container::custom(move |_| bar_group_style(theme)))
             .into()
     }