feat: implement emblem picker and dynamic editor rebuild

src/main.rs

@@ -46,10 +46,10 @@ fn main() -> glib::ExitCode {
         let stack = Stack::new();
         window.set_child(Some(&stack));
 
-        build_picker(&stack, &window, breeze_path);
+        build_picker(&stack, &window, breeze_path.clone());
 
         if let Some(Ok(path)) = initial_icon {
-            build_editor(&stack, &window, path);
+            build_editor(&stack, &window, path, breeze_path);
         }
 
         window.present();
@@ -84,14 +84,16 @@ fn resolve_icon_arg(arg: &str, breeze_path: &Path) -> anyhow::Result<PathBuf> {
 fn build_picker(stack: &Stack, window: &ApplicationWindow, breeze_path: PathBuf) {
     let stack_for_callback = stack.clone();
     let window_for_callback = window.clone();
+    let breeze_for_editor = breeze_path.clone();
+    
     let widget = ui::picker::build_picker_page(breeze_path, move |icon_path| {
-        build_editor(&stack_for_callback, &window_for_callback, icon_path);
+        build_editor(&stack_for_callback, &window_for_callback, icon_path, breeze_for_editor.clone());
     });
     stack.add_named(&widget, Some("picker"));
     stack.set_visible_child_name("picker");
 }
 
-fn build_editor(stack: &Stack, window: &ApplicationWindow, icon_path: PathBuf) {
+fn build_editor(stack: &Stack, window: &ApplicationWindow, icon_path: PathBuf, breeze_path: PathBuf) {
     let scheme = match ColorScheme::load(&icon_path) {
         Ok(s) => s,
         Err(e) => {
@@ -102,43 +104,78 @@ fn build_editor(stack: &Stack, window: &ApplicationWindow, icon_path: PathBuf) {
     
     let composite = Rc::new(RefCell::new(CompositeIcon::new(scheme)));
     
-    let stack_for_callback = stack.clone();
+    let editor_container = gtk::Box::new(gtk::Orientation::Vertical, 0);
     
-    let widget = ui::editor::build_editor_page(
-        Rc::clone(&composite),
-        move || {
-            stack_for_callback.set_visible_child_name("picker");
-        },
-        {
-            let stack_clone = stack.clone();
-            move || {
-                stack_clone.set_visible_child_name("emblem_picker");
+    let rebuild_editor = {
+        let composite = Rc::clone(&composite);
+        let stack = stack.clone();
+        let window = window.clone();
+        let editor_container = editor_container.clone();
+        
+        Rc::new(move || {
+            while let Some(child) = editor_container.first_child() {
+                editor_container.remove(&child);
             }
-        },
-        {
-            let composite = Rc::clone(&composite);
-            let window = window.clone();
-            move || {
-                let dialog = gtk::FileDialog::builder()
-                    .title("Save Composite Icon As...")
-                    .build();
-                let comp = Rc::clone(&composite);
-                dialog.save(Some(&window), gtk::gio::Cancellable::NONE, move |res| {
-                    if let Ok(file) = res {
-                        if let Some(path) = file.path() {
-                            if let Err(e) = std::fs::write(&path, comp.borrow().render()) {
-                                eprintln!("Failed to save composite to {}: {e}", path.display());
+            
+            let stack_clone = stack.clone();
+            let stack_emblem = stack.clone();
+            let window_clone = window.clone();
+            let comp = Rc::clone(&composite);
+            
+            let page = ui::editor::build_editor_page(
+                Rc::clone(&composite),
+                move || {
+                    stack_clone.set_visible_child_name("picker");
+                },
+                move || {
+                    stack_emblem.set_visible_child_name("emblem_picker");
+                },
+                move || {
+                    let dialog = gtk::FileDialog::builder()
+                        .title("Save Composite Icon As...")
+                        .build();
+                    let c = Rc::clone(&comp);
+                    dialog.save(Some(&window_clone), gtk::gio::Cancellable::NONE, move |res| {
+                        if let Ok(file) = res {
+                            if let Some(path) = file.path() {
+                                if let Err(e) = std::fs::write(&path, c.borrow().render()) {
+                                    eprintln!("Failed to save composite to {}: {e}", path.display());
+                                }
                             }
                         }
-                    }
-                });
-            }
-        }
-    );
+                    });
+                }
+            );
+            editor_container.append(&page);
+        })
+    };
+    
+    rebuild_editor();
 
     if let Some(existing) = stack.child_by_name("editor") {
         stack.remove(&existing);
     }
-    stack.add_named(&widget, Some("editor"));
+    stack.add_named(&editor_container, Some("editor"));
+    
+    let rebuild_editor_clone = Rc::clone(&rebuild_editor);
+    let stack_emblem_callback = stack.clone();
+    let comp_for_picker = Rc::clone(&composite);
+    
+    let emblem_picker = ui::picker::build_picker_page(breeze_path, move |emblem_path| {
+        if let Ok(mut emblem_scheme) = ColorScheme::load_with_namespace(&emblem_path, "Emblem") {
+            emblem_scheme.auto_save = false;
+            comp_for_picker.borrow_mut().set_emblem(emblem_scheme);
+            rebuild_editor_clone();
+            stack_emblem_callback.set_visible_child_name("editor");
+        } else {
+            eprintln!("Failed to load emblem: {}", emblem_path.display());
+        }
+    });
+    
+    if let Some(existing) = stack.child_by_name("emblem_picker") {
+        stack.remove(&existing);
+    }
+    stack.add_named(&emblem_picker, Some("emblem_picker"));
+
     stack.set_visible_child_name("editor");
 }