WIP count feature

src/app/update/dialog.rs

@@ -606,6 +606,10 @@ pub(super) fn on_ribbon_tool_click(&mut self, tool_id: String, event: ModuleEven
                     PanelId::PointCloudManager => {
                         self.pc_manager.show = false;
                     }
+                    PanelId::Count => {
+                        self.count_palette.show = false;
+                        self.ribbon.set_count_palette(false);
+                    }
                     PanelId::Properties => {
                         self.show_properties = false;
                         self.ribbon.set_properties(false);
@@ -711,6 +715,7 @@ pub(super) fn on_ribbon_tool_click(&mut self, tool_id: String, event: ModuleEven
             PanelId::Browser => self.show_browser,
             PanelId::NodeGraph => self.show_node_graph,
             PanelId::PointCloudManager => self.pc_manager.show,
+            PanelId::Count => self.count_palette.show,
         }
     }
 

src/app/update/file.rs

@@ -744,6 +744,9 @@ impl OpenCADStudio {
             block_mru_list: self.block_mru_list,
             block_redefine_mode: self.block_redefine_mode,
             block_navigate: self.block_navigate.clone(),
+            count_color: self.count_palette.color,
+            count_error_color: self.count_palette.error_color,
+            count_service: self.count_palette.service,
         }
     }
 
@@ -874,6 +877,9 @@ impl OpenCADStudio {
         self.block_mru_list = s.block_mru_list.min(100);
         self.block_redefine_mode = s.block_redefine_mode.min(2);
         self.block_navigate = s.block_navigate.clone();
+        self.count_palette.color = s.count_color;
+        self.count_palette.error_color = s.count_error_color;
+        self.count_palette.service = s.count_service;
         self.block_palette.recent = s.block_recent.clone();
         self.block_palette.favorites = s.block_favorites.clone();
         self.block_palette.libraries = s.block_libraries.clone();
@@ -5520,7 +5526,7 @@ impl OpenCADStudio {
     /// Current visible rectangle in the active space. The result is deliberately
     /// not clamped to the paper sheet: Display and Window may include the grey
     /// canvas outside the sheet, matching Model-space plotting.
-    fn display_plot_window(&self) -> Option<(f64, f64, f64, f64)> {
+    pub(in crate::app) fn display_plot_window(&self) -> Option<(f64, f64, f64, f64)> {
         let scene = &self.tabs[self.active_tab].scene;
         let (canvas_w, canvas_h) = scene.selection.borrow().vp_size;
         let viewport = if scene.current_layout == "Model" {

src/app/update/mod.rs

@@ -493,6 +493,8 @@ impl OpenCADStudio {
         // The Reference Manager watches the active drawing and re-scans when
         // the palette is open on another tab's entries.
         self.refresh_xref_manager_if_stale();
+        // Count mode recolours its references after the drawing changes.
+        self.refresh_count_if_stale();
         // Let V4 plugins observe selection changes that happened while handling
         // this message (picking, window select, QSELECT, SELECTALL, grip edits,
         // and plugin request draining).
@@ -1819,6 +1821,7 @@ impl OpenCADStudio {
             Message::AttdefDialog(message) => self.on_attdef_dialog(message),
             Message::FieldDialog(message) => self.on_field_dialog(message),
             Message::PcManager(message) => self.update_pc_manager(message),
+            Message::Count(message) => self.on_count(message),
             Message::RibbonSelectTab(idx) => {
                 self.ribbon.select(idx);
                 Task::none()