Support for custom css

src/conf.rs

@@ -16,6 +16,8 @@ terminal = kitty
 args = -e
 "#;
 
+pub const DEFAULT_CSS: &str = include_str!("./style.css");
+
 #[derive(Clone)]
 pub struct GeneralConf {
     pub theme: String,
@@ -36,10 +38,24 @@ impl Default for GeneralConf {
 #[derive(Default, Clone)]
 pub struct Config {
     pub general: GeneralConf,
+    pub css: String,
 }
 
 impl Config {
     pub fn parse(path: std::path::PathBuf) -> Self {
+        let mut css = DEFAULT_CSS.to_string();
+        let css_path = path.parent().unwrap().join("style.css");
+        if css_path.exists() {
+            if let Ok(mut f) = std::fs::File::open(&css_path) {
+                css = String::new();
+                let _ = f.read_to_string(&mut css);
+            }
+        } else {
+            if let Ok(mut f) = std::fs::File::create(&css_path) {
+                let _ = f.write(DEFAULT_CSS.as_bytes());
+            }
+        }
+
         if let Ok(mut f) = std::fs::File::open(&path) {
             let mut data = String::new();
             let _ = f.read_to_string(&mut data);
@@ -88,7 +104,7 @@ impl Config {
                 }
             }
 
-            return Self { general };
+            return Self { general, css };
         }
 
         return Self::default();

src/main.rs

@@ -246,11 +246,10 @@ fn activate(config: conf::Config, app: &Application) {
     }
 }
 
-fn load_css() {
+fn load_css(css: String) {
     gtk::init().expect("Unable to init gtk");
     let provider = gtk::CssProvider::new();
-    let css = include_str!("./style.css");
-    provider.load_from_string(css);
+    provider.load_from_string(&css);
 
     gtk::style_context_add_provider_for_display(
         &gtk::gdk::Display::default().expect("Could not connect to a display."),
@@ -272,7 +271,7 @@ async fn main() {
     if bus::app_is_running() {
         bus::send_represent_event();
     } else {
-        load_css();
+        load_css(config.css.clone());
 
         let application = Application::new(Some(conf::APP_ID), Default::default());