added image preview (not fully working yet)

src/gui.rs

@@ -1,22 +1,24 @@
 use gtk::prelude::*;
-use gtk::{glib, Application, ApplicationWindow, Button, Image};
+use gtk::{glib, Application, ApplicationWindow, Button, FlowBox, Image};
 use walkdir::WalkDir;
 
 pub fn gui() -> glib::ExitCode {
     let app = Application::builder().application_id("LinuxWEGUI").build();
 
     app.connect_activate(|app| {
-        let image = find_wallpapers();
-        build_ui(app, image);
+        build_ui(app);
     });
 
     app.run()
 }
 
-pub fn find_wallpapers() -> Image {
+fn build_ui(app: &Application) {
+    let container = gtk::Box::new(gtk::Orientation::Vertical, 10);
+
     let wallpaper_dir = "/home/user/Desktop/coding/LinuxWallpaperEngineGUI/431960.o";
     let image = Image::new();
     image.set_pixel_size(150);
+    let flow_box = FlowBox::new();
 
     for entry in WalkDir::new(wallpaper_dir)
         .max_depth(3)
@@ -31,14 +33,13 @@ pub fn find_wallpapers() -> Image {
         {
             let path_str = path.to_str().unwrap();
             image.set_from_file(Some(path_str));
+            flow_box.append(&image);
             println!("Found wallpaper preview: {}", path_str);
         }
     }
 
-    image
-}
+    container.append(&flow_box);
 
-fn build_ui(app: &Application, image: Image) {
     let button = Button::builder()
         .label("button")
         .margin_top(50)
@@ -54,9 +55,9 @@ fn build_ui(app: &Application, image: Image) {
     let window = ApplicationWindow::builder()
         .application(app)
         .title("Linux Wallpaper Engine")
-        .default_width(300)
-        .default_height(100)
-        .child(&image)
+        .default_width(800)
+        .default_height(600)
+        .child(&container)
         .build();
 
     window.present();

src/main.rs

@@ -3,5 +3,4 @@ mod gui;
 fn main() {
     println!("Starting GUI application...\n");
     gui::gui();
-    gui::find_wallpapers();
 }