Add Config module

- Load config from .toml file
- Adjust code in slint and rust accordingly

Cargo.toml

@@ -7,8 +7,11 @@ authors = ["candifloss <candifloss.cc>"]
 readme = "README.md"
 
 [dependencies]
+dirs = "6.0.0"
 i-slint-backend-winit = { version = "1.14.1", features = ["x11"] }
+serde = { version = "1.0.228", features = ["derive"] }
 slint = { version = "1.14.1", features = ["backend-winit"] }
+toml = "0.9.8"
 
 [build-dependencies]
 slint-build = "1.14.1"

src/config.rs

@@ -0,0 +1,51 @@
+use dirs::config_dir;
+use serde::Deserialize;
+use std::{fs, path::PathBuf};
+
+#[derive(Debug, Clone, Deserialize)]
+pub struct Config {
+    pub bar_width: i32,
+    pub bar_height: i32,
+    pub default_font_family: String,
+    pub default_font_size: i32,
+}
+
+// Default values for the config.
+impl Default for Config {
+    fn default() -> Self {
+        Self {
+            bar_width: 1366,
+            bar_height: 27,
+            default_font_family: "IosevkaTermSlab Nerd Font Mono".to_string(),
+            default_font_size: 14,
+        }
+    }
+}
+
+impl Config {
+    /// Load config from ~/.config/candywidgets/chocobar/chocobar.toml
+    /// Falls back to defaults if file is missing or broken.
+    pub fn load() -> Self {
+        let path = config_path();
+
+        // If file doesn't exist: return defaults.
+        if !path.exists() {
+            return Config::default();
+        }
+
+        // Read file; on failure return defaults.
+        let Ok(data) = fs::read_to_string(&path) else {
+            return Config::default();
+        };
+
+        // Parse TOML; if invalid, use defaults.
+        let parsed: Result<Config, _> = toml::from_str(&data);
+        parsed.unwrap_or_default()
+    }
+}
+
+/// Config directory. Default: ~/.config/candywidgets/chocobar/chocobar.toml
+fn config_path() -> PathBuf {
+    let base = config_dir().unwrap_or_else(|| PathBuf::from("."));
+    base.join("candywidgets/chocobar/chocobar.toml")
+}

src/main.rs

@@ -5,11 +5,22 @@ use i_slint_backend_winit::{
         window::WindowAttributes,
     },
 };
-use slint::{LogicalPosition, LogicalSize};
+use slint::{LogicalPosition, LogicalSize, SharedString};
+mod config;
 mod widgets;
+use config::Config;
 slint::include_modules!();
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
+    // Load config
+    let conf = Config::load();
+
+    // Bar dimensions.
+    let bar_height = conf.bar_height;
+    let bar_width = conf.bar_width;
+    let def_font_size = conf.default_font_size;
+    let def_font_fam = conf.default_font_family;
+
     // Closure that adjusts winit WindowAttributes before Slint creates the window.
     let window_attrs = |attrs: WindowAttributes| {
         // Mark the X11 window as a DOCK so the WM treats it as a top bar/panel.
@@ -24,15 +35,13 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     // Activate this customized backend for all Slint window creation and events.
     slint::platform::set_platform(Box::new(backend))?;
 
-    // Bar dimensions.
-    let bar_height = 27;
-    let bar_width = 1366;
-
     // Create the Slint UI component.
     let ui = TopBar::new()?;
     // Set component properties.
     ui.set_bar_width(bar_width);
     ui.set_bar_height(bar_height);
+    ui.set_def_font_size(def_font_size);
+    ui.set_def_font_fam(SharedString::from(def_font_fam));
 
     // Install all widget callbacks
     widgets::install_callbacks(&ui);

ui/topbar.slint

@@ -4,6 +4,8 @@ export component TopBar inherits Window {
 
     in property<int> bar_width;
     in property<int> bar_height;
+    in property<int> def_font_size;
+    in property<string> def_font_fam;
 
     callback show_clock();
 
@@ -14,8 +16,8 @@ export component TopBar inherits Window {
     no-frame: true;
     x: 0px;
     y: 0px;
-    default-font-family: "IosevkaTermSlab Nerd Font Mono";
+    default-font-family: def_font_fam;
-    default-font-size: 14px;
+    default-font-size: def_font_size *1px;
 
     Rectangle {
         x: 0px;