feat: CosmicTk::header_size density config

Cargo.toml

@@ -31,7 +31,7 @@ desktop = ["process", "dep:freedesktop-desktop-entry", "dep:mime", "dep:shlex"]
 # Enables keycode serialization
 serde-keycode = ["iced_core/serde"]
 # Prevents multiple separate process instances.
-single-instance = ["dep:zbus", "serde", "ron"]
+single-instance = ["dep:zbus", "ron"]
 # smol async runtime
 smol = ["iced/smol", "zbus?/async-io"]
 tokio = [
@@ -80,7 +80,7 @@ mime = { version = "0.3.17", optional = true }
 nix = { version = "0.27", features = ["process"], optional = true }
 palette = "0.7.3"
 rfd = { version = "0.14.0", optional = true }
-serde = { version = "1.0.180", optional = true }
+serde = { version = "1.0.180", features = ["derive"]}
 slotmap = "1.0.6"
 thiserror = "1.0.44"
 tokio = { version = "1.24.2", optional = true }

src/app/core.rs

@@ -73,9 +73,6 @@ pub struct Core {
     /// Configured theme mode
     pub(super) system_theme_mode: ThemeMode,
 
-    /// Libcosmic toolkit configuration.
-    pub(super) toolkit_config: CosmicTk,
-
     pub(super) portal_is_dark: Option<bool>,
 
     pub(super) portal_accent: Option<Srgba>,
@@ -123,16 +120,6 @@ impl Default for Core {
                     })
                 })
                 .unwrap_or_default(),
-            toolkit_config: CosmicTk::config()
-                .map(|c| {
-                    CosmicTk::get_entry(&c).unwrap_or_else(|(errors, mode)| {
-                        for why in errors {
-                            tracing::error!(?why, "CosmicTk config entry error");
-                        }
-                        mode
-                    })
-                })
-                .unwrap_or_default(),
             window: Window {
                 context_title: String::new(),
                 header_title: String::new(),

src/app/cosmic.rs

@@ -198,7 +198,7 @@ where
             self.app.subscription().map(super::Message::App),
             self.app
                 .core()
-                .watch_config::<crate::config::CosmicTk>(crate::config::toolkit::ID)
+                .watch_config::<crate::config::CosmicTk>(crate::config::ID)
                 .map(|update| {
                     for why in update.errors {
                         tracing::error!(?why, "cosmic toolkit config update error");
@@ -628,7 +628,7 @@ impl<T: Application> Cosmic<T> {
                     crate::icon_theme::set_default(config.icon_theme.clone());
                 }
 
-                self.app.core_mut().toolkit_config = config;
+                crate::config::COSMIC_TK.with(|tk| *tk.borrow_mut() = config);
             }
 
             Message::Focus(f) => {

src/app/mod.rs

@@ -84,7 +84,7 @@ pub(crate) fn iced_settings<App: Application>(
     if let Some(icon_theme) = settings.default_icon_theme {
         crate::icon_theme::set_default(icon_theme);
     } else {
-        crate::icon_theme::set_default(core.toolkit_config.icon_theme.clone());
+        crate::icon_theme::set_default(crate::config::icon_theme());
     }
 
     THEME.with(move |t| {
@@ -714,11 +714,11 @@ impl<App: Application> ApplicationExt for App {
                         header = header.start(toggle);
                     }
 
-                    if core.window.show_maximize && core.toolkit_config.show_maximize {
+                    if core.window.show_maximize && crate::config::show_maximize() {
                         header = header.on_maximize(Message::Cosmic(cosmic::Message::Maximize));
                     }
 
-                    if core.window.show_minimize && core.toolkit_config.show_minimize {
+                    if core.window.show_minimize && crate::config::show_minimize() {
                         header = header.on_minimize(Message::Cosmic(cosmic::Message::Minimize));
                     }
 

src/config/mod.rs

@@ -3,6 +3,102 @@
 
 //! Configurations available to libcosmic applications.
 
-pub mod toolkit;
-#[doc(inline)]
-pub use toolkit::CosmicTk;
+use cosmic_config::cosmic_config_derive::CosmicConfigEntry;
+use cosmic_config::{Config, CosmicConfigEntry};
+use serde::{Deserialize, Serialize};
+use std::cell::RefCell;
+use std::rc::Rc;
+
+/// ID for the `CosmicTk` config.
+pub const ID: &str = "com.system76.CosmicTk";
+
+thread_local! {
+    pub static COSMIC_TK: RefCell<CosmicTk> = RefCell::new(CosmicTk::config()
+    .map(|c| {
+        CosmicTk::get_entry(&c).unwrap_or_else(|(errors, mode)| {
+            for why in errors {
+                tracing::error!(?why, "CosmicTk config entry error");
+            }
+            mode
+        })
+    })
+    .unwrap_or_default())
+}
+
+/// Apply the theme to other toolkits.
+pub fn apply_theme_global() -> bool {
+    COSMIC_TK.with(|tk| tk.borrow().apply_theme_global)
+}
+
+/// Show minimize button in window header.
+pub fn show_minimize() -> bool {
+    COSMIC_TK.with(|tk| tk.borrow().show_minimize)
+}
+
+/// Show maximize button in window header.
+pub fn show_maximize() -> bool {
+    COSMIC_TK.with(|tk| tk.borrow().show_maximize)
+}
+
+/// Preferred icon theme.
+pub fn icon_theme() -> String {
+    COSMIC_TK.with(|tk| tk.borrow().icon_theme.clone())
+}
+
+/// Density of CSD/SSD header bars.
+pub fn header_size() -> Density {
+    COSMIC_TK.with(|tk| tk.borrow().header_size)
+}
+
+/// Interface density.
+pub fn interface_density() -> Density {
+    COSMIC_TK.with(|tk| tk.borrow().interface_density)
+}
+
+#[derive(Clone, CosmicConfigEntry, Debug, Eq, PartialEq)]
+#[version = 1]
+pub struct CosmicTk {
+    /// Apply the theme to other toolkits.
+    pub apply_theme_global: bool,
+
+    /// Show minimize button in window header.
+    pub show_minimize: bool,
+
+    /// Show maximize button in window header.
+    pub show_maximize: bool,
+
+    /// Preferred icon theme.
+    pub icon_theme: String,
+
+    /// Density of CSD/SSD header bars.
+    pub header_size: Density,
+
+    /// Interface density.
+    pub interface_density: Density,
+}
+
+#[derive(Copy, Clone, Debug, Default, Eq, PartialEq, Serialize, Deserialize)]
+pub enum Density {
+    Compact,
+    #[default]
+    Standard,
+}
+
+impl Default for CosmicTk {
+    fn default() -> Self {
+        Self {
+            apply_theme_global: false,
+            show_minimize: true,
+            show_maximize: true,
+            icon_theme: String::from("Cosmic"),
+            header_size: Density::Standard,
+            interface_density: Density::Standard,
+        }
+    }
+}
+
+impl CosmicTk {
+    pub fn config() -> Result<Config, cosmic_config::Error> {
+        Config::new(ID, Self::VERSION)
+    }
+}

src/config/toolkit.rs

@@ -1,43 +0,0 @@
-// Copyright 2024 System76 <info@system76.com>
-// SPDX-License-Identifier: MPL-2.0
-
-//! Configurations for the libcosmic toolkit.
-
-use cosmic_config::cosmic_config_derive::CosmicConfigEntry;
-use cosmic_config::{Config, CosmicConfigEntry};
-
-/// ID for the `CosmicTk` config.
-pub const ID: &str = "com.system76.CosmicTk";
-
-#[derive(Clone, CosmicConfigEntry, Debug, Eq, PartialEq)]
-#[version = 1]
-pub struct CosmicTk {
-    /// Show minimize button in window header.
-    pub show_minimize: bool,
-
-    /// Show maximize button in window header.
-    pub show_maximize: bool,
-
-    /// Preferred icon theme.
-    pub icon_theme: String,
-
-    /// Apply the theme to other toolkits.
-    pub apply_theme_global: bool,
-}
-
-impl Default for CosmicTk {
-    fn default() -> Self {
-        Self {
-            show_minimize: true,
-            show_maximize: true,
-            icon_theme: String::from("Cosmic"),
-            apply_theme_global: false,
-        }
-    }
-}
-
-impl CosmicTk {
-    pub fn config() -> Result<Config, cosmic_config::Error> {
-        Config::new(ID, Self::VERSION)
-    }
-}

src/widget/header_bar.rs

@@ -4,7 +4,7 @@
 use crate::{ext::CollectionWidget, widget, Element};
 use apply::Apply;
 use derive_setters::Setters;
-use iced::Length;
+use iced::{Length, Padding};
 use iced_core::{widget::tree, Widget};
 use std::borrow::Cow;
 
@@ -99,7 +99,7 @@ impl<'a, Message: Clone + 'static> HeaderBar<'a, Message> {
     #[must_use]
     pub fn build(self) -> HeaderBarWidget<'a, Message> {
         HeaderBarWidget {
-            header_bar_inner: self.into_element(),
+            header_bar_inner: self.view(),
         }
     }
 }
@@ -253,7 +253,7 @@ impl<'a, Message: Clone + 'static> Widget<Message, crate::Theme, crate::Renderer
 
 impl<'a, Message: Clone + 'static> HeaderBar<'a, Message> {
     /// Converts the headerbar builder into an Iced element.
-    pub fn into_element(mut self) -> Element<'a, Message> {
+    pub fn view(mut self) -> Element<'a, Message> {
         // Take ownership of the regions to be packed.
         let start = std::mem::take(&mut self.start);
         let center = std::mem::take(&mut self.center);
@@ -263,6 +263,11 @@ impl<'a, Message: Clone + 'static> HeaderBar<'a, Message> {
         end.push(widget::horizontal_space(Length::Fixed(12.0)).into());
         end.push(self.window_controls());
 
+        let (height, padding) = match crate::config::header_size() {
+            crate::config::Density::Compact => (36.0, 2.0),
+            crate::config::Density::Standard => (48.0, 8.0),
+        };
+
         // Creates the headerbar widget.
         let mut widget = widget::row::with_capacity(4)
             // If elements exist in the start region, append them here.
@@ -295,9 +300,9 @@ impl<'a, Message: Clone + 'static> HeaderBar<'a, Message> {
                     .width(Length::Shrink),
             )
             .align_items(iced::Alignment::Center)
-            .height(Length::Fixed(50.0))
-            .padding(8)
-            .spacing(8)
+            .height(Length::Fixed(height))
+            .padding(padding)
+            .spacing(padding)
             .apply(widget::container)
             .style(crate::theme::Container::HeaderBar {
                 focused: self.focused,
@@ -326,9 +331,7 @@ impl<'a, Message: Clone + 'static> HeaderBar<'a, Message> {
         let mut title = Cow::default();
         std::mem::swap(&mut title, &mut self.title);
 
-        widget::text(title)
-            .size(16)
-            .font(crate::font::FONT_SEMIBOLD)
+        widget::text::heading(title)
             .apply(widget::container)
             .center_x()
             .center_y()

src/widget/nav_bar_toggle.rs

@@ -42,13 +42,9 @@ impl<'a, Message: 'static + Clone> From<NavBarToggle<Message>> for Element<'a, M
         };
 
         widget::button::icon(icon)
-            .padding([8, 16, 8, 16])
             .on_press_maybe(nav_bar_toggle.on_toggle)
             .selected(nav_bar_toggle.selected)
             .style(nav_bar_toggle.style)
-            .apply(widget::container)
-            .center_y()
-            .height(Length::Fill)
             .into()
     }
 }