Implemented main script logic

src/handlers/feh.rs

@@ -0,0 +1,5 @@
+use crate::Wallpapers;
+
+pub fn change_wallpapers(wallpapers: &Wallpapers) {
+    println!("Not implemented");
+}

src/handlers/gnome.rs

@@ -0,0 +1,5 @@
+use crate::Wallpapers;
+
+pub fn change_wallpapers(wallpapers: &Wallpapers) {
+    println!("Not implemented");
+}

src/handlers/mod.rs

@@ -2,3 +2,7 @@ pub mod dbus_plasma_interface;
 use dbus_plasma_interface::*;
 pub mod plasma;
 use plasma::*;
+pub mod feh;
+use feh::*;
+pub mod gnome;
+use gnome::*;

src/main.rs

@@ -2,13 +2,35 @@ mod config;
 use config::*;
 mod enums;
 mod files;
+use enums::WallpaperHandler;
 use files::*;
 mod handlers;
 
 fn main() {
+    // Load the config file from the default path
+    // TODO: Have this load from the users home directory
     let config = Config::from_config("/home/ben/.config/wallpaperctl/wallpaperctl.ini".to_owned());
+
+    // Initialise the `Wallpapers` struct with a clone of the config
     let mut wallpapers = Wallpapers::new(config.clone());
 
+    // Load all wallpapers based on the config file specs
     wallpapers.load_all();
-    handlers::plasma::change_wallpapers(&wallpapers);
+
+    // Check the configured Wallpaper engine and run the change_wallpapers() method from the respective handlers
+    let wallpaper_engine = config.wallpaper_engine;
+    match wallpaper_engine {
+        WallpaperHandler::Plasma => {
+            handlers::plasma::change_wallpapers(&wallpapers);
+        }
+        WallpaperHandler::Feh => {
+            handlers::feh::change_wallpapers(&wallpapers);
+        }
+        WallpaperHandler::Gnome => {
+            handlers::gnome::change_wallpapers(&wallpapers);
+        }
+        _ => {
+            println!("Error: Unknown wallpaper engine");
+        }
+    }
 }