fix: ensure editor scales SVG purely by stripping absolute dimensions, disable auto_save, and fix FlowBox columns

src/composite_icon.rs

@@ -24,8 +24,25 @@ impl CompositeIcon {
     }
 
     pub fn render(&self) -> String {
+        use regex::Regex;
+        
+        let strip_dimensions = |svg: &str| -> String {
+            if let Some(root_svg_end) = svg.find('>') {
+                let mut root_tag = svg[..=root_svg_end].to_string();
+                let re_w = Regex::new(r#"(?i)\s+width\s*=\s*"[^"]*""#).unwrap();
+                root_tag = re_w.replace_all(&root_tag, "").into_owned();
+                let re_h = Regex::new(r#"(?i)\s+height\s*=\s*"[^"]*""#).unwrap();
+                root_tag = re_h.replace_all(&root_tag, "").into_owned();
+                
+                let mut new_svg = root_tag;
+                new_svg.push_str(&svg[root_svg_end + 1..]);
+                new_svg
+            } else {
+                svg.to_string()
+            }
+        };
+
         if let Some(emblem) = &self.emblem {
-            use regex::Regex;
             
             fn parse_dims(svg: &str) -> (f64, f64) {
                 if let Some(re) = Regex::new(r#"(?i)<svg[^>]*viewBox\s*=\s*"([^"]+)""#).ok() {
@@ -87,15 +104,16 @@ impl CompositeIcon {
                 mapped_x, mapped_y, scale_x, scale_y, emblem_inner
             );
             
-            if let Some(idx) = self.bg.content.rfind("</svg>") {
-                let mut new_svg = self.bg.content[..idx].to_string();
+            let mut base_svg = strip_dimensions(&self.bg.content);
+            if let Some(idx) = base_svg.rfind("</svg>") {
+                let mut new_svg = base_svg[..idx].to_string();
                 new_svg.push_str(&emblem_group);
                 new_svg
             } else {
-                self.bg.content.clone() // fallback
+                base_svg
             }
         } else {
-            self.bg.content.clone()
+            strip_dimensions(&self.bg.content)
         }
     }
 }

src/main.rs

@@ -94,13 +94,14 @@ fn build_picker(stack: &Stack, window: &ApplicationWindow, breeze_path: PathBuf)
 }
 
 fn build_editor(stack: &Stack, window: &ApplicationWindow, icon_path: PathBuf, breeze_path: PathBuf) {
-    let scheme = match ColorScheme::load(&icon_path) {
+    let mut scheme = match ColorScheme::load(&icon_path) {
         Ok(s) => s,
         Err(e) => {
             eprintln!("Failed to open {}: {e:#}", icon_path.display());
             return;
         }
     };
+    scheme.auto_save = false;
     
     let composite = Rc::new(RefCell::new(CompositeIcon::new(scheme)));
     

src/ui/editor.rs

@@ -1,5 +1,4 @@
 use crate::composite_icon::CompositeIcon;
-use gtk::glib;
 use gtk::prelude::*;
 use gtk::{
     Box as GtkBox, ColorDialog, ColorDialogButton, Label, Orientation, Picture, ScrolledWindow,
@@ -111,8 +110,8 @@ pub fn build_editor_page(
             let scale_y = scale_y.clone();
             let preview = preview.clone();
             move |_, offset_x, offset_y| {
-                let width = preview.allocated_width() as f64;
-                let height = preview.allocated_height() as f64;
+                let width = preview.width() as f64;
+                let height = preview.height() as f64;
                 let size = width.min(height);
                 if size > 0.0 {
                     let dx = offset_x * 64.0 / size;

src/ui/picker.rs

@@ -23,11 +23,15 @@ pub fn build_picker_page(
 
     let flow_box = FlowBox::new();
     flow_box.set_valign(gtk::Align::Start);
-    flow_box.set_max_children_per_line(10);
+    flow_box.set_halign(gtk::Align::Fill);
+    flow_box.set_max_children_per_line(20);
+    flow_box.set_min_children_per_line(4);
     flow_box.set_selection_mode(gtk::SelectionMode::Single);
 
     let scroller = ScrolledWindow::new();
     scroller.set_vexpand(true);
+    scroller.set_hexpand(true);
+    scroller.set_policy(gtk::PolicyType::Never, gtk::PolicyType::Automatic);
     scroller.set_child(Some(&flow_box));
     root.append(&scroller);