fix(color): show color book identity

src/ui/color_select.rs

@@ -124,9 +124,31 @@ pub fn color_selector<'a>(
     on_select: impl Fn(AcadColor) -> Message + 'a,
     on_toggle: Message,
     on_more: Message,
+) -> Element<'a, Message> {
+    color_selector_with_name(
+        current,
+        None,
+        open,
+        extras,
+        on_select,
+        on_toggle,
+        on_more,
+    )
+}
+
+pub fn color_selector_with_name<'a>(
+    current: AcadColor,
+    display_name: Option<&'a str>,
+    open: bool,
+    extras: ColorExtras,
+    on_select: impl Fn(AcadColor) -> Message + 'a,
+    on_toggle: Message,
+    on_more: Message,
 ) -> Element<'a, Message> {
     let (cur_bg, _) = acad_color_display(current);
-    let cur_name = color_display_name(current);
+    let cur_name = display_name
+        .map(str::to_string)
+        .unwrap_or_else(|| color_display_name(current));
     let on_dismiss = on_toggle.clone();
 
     // Closed button: current swatch + name + caret.

src/ui/properties.rs

@@ -776,7 +776,12 @@ impl PropertiesPanel {
         label: &'a str,
     ) -> Element<'a, Message> {
         match &prop.value {
-            PropValue::ColorChoice(color) => self.render_color_row(label, prop.field, *color),
+            PropValue::ColorChoice(color) => {
+                self.render_color_row(label, prop.field, *color, None)
+            }
+            PropValue::NamedColorChoice { color, name } => {
+                self.render_color_row(label, prop.field, *color, Some(name))
+            }
             PropValue::ColorVaries => self.render_color_varies_row(label),
             PropValue::LayerChoice(layer) => self.render_layer_row(label, layer),
             PropValue::LwChoice(lw) => self.render_lw_row(label, *lw),
@@ -848,6 +853,7 @@ impl PropertiesPanel {
         label: &'a str,
         field: &'static str,
         color: AcadColor,
+        display_name: Option<&'a str>,
     ) -> Element<'a, Message> {
         // MTEXT background colour uses its own picker state + messages so it
         // routes to `background_color`, not the entity's main colour.
@@ -929,8 +935,9 @@ impl PropertiesPanel {
             );
             return prop_row_widget(label, selector);
         }
-        let selector = crate::ui::color_select::color_selector(
+        let selector = crate::ui::color_select::color_selector_with_name(
             color,
+            display_name,
             self.color_picker_open,
             crate::ui::color_select::ColorExtras {
                 by_layer: true,

src/ui/window/layers.rs

@@ -90,6 +90,8 @@ pub struct Layer {
     pub locked: bool,
     pub plottable: bool,
     pub color: AcadColor,
+    pub color_name: Option<String>,
+    pub book_name: Option<String>,
     pub linetype: String,
     pub lineweight: LineWeight,
     pub transparency: i32,
@@ -106,6 +108,8 @@ impl Layer {
             locked: false,
             plottable: true,
             color,
+            color_name: None,
+            book_name: None,
             linetype: "Continuous".to_string(),
             lineweight: LineWeight::Default,
             transparency: 0,
@@ -220,6 +224,8 @@ impl LayerPanel {
                     locked: l.flags.locked,
                     plottable: l.is_plottable,
                     color: l.color,
+                    color_name: l.color_name.clone(),
+                    book_name: l.book_name.clone(),
                     linetype: if l.line_type.is_empty() {
                         "Continuous".to_string()
                     } else {
@@ -808,8 +814,9 @@ fn layer_row<'a>(
     // Color cell — looks like a combo_box input; click opens swatch dropdown below row.
     // Shared colour selector. Layers carry a concrete colour (no ByLayer /
     // ByBlock); true colours stay RGB instead of being collapsed to ACI 7.
-    let color_cell: Element<'_, Message> = container(crate::ui::color_select::color_selector(
+    let color_cell: Element<'_, Message> = container(crate::ui::color_select::color_selector_with_name(
         layer.color,
+        layer.color_name.as_deref(),
         color_picker_open,
         crate::ui::color_select::ColorExtras {
             by_layer: false,