Merge PR #1086: add collapsible property sections

src/app/mod.rs

@@ -387,6 +387,10 @@ pub(super) struct OpenCADStudio {
     /// though the three factors are currently equal — the user unchecked the
     /// "Uniform scale" box for them (#427). Keyed by entity handle.
     props_asym_scale: std::collections::HashSet<u64>,
+    /// Collapsed Properties-panel section titles. This belongs to the app,
+    /// rather than an individual document tab, so the same view preference is
+    /// used by every currently open drawing/project.
+    collapsed_property_sections: rustc_hash::FxHashSet<String>,
     /// Which Start-page section is shown when the page is too narrow for all
     /// three side by side and falls back to a tab bar.
     start_section: StartSection,
@@ -2558,6 +2562,8 @@ pub enum Message {
     /// Toggle a collapsed coordinate group ("Position", "Scale", …) open or
     /// closed in the Properties panel, keyed `section:base`.
     PropGroupToggle(String),
+    /// Toggle an entire Properties-panel section, keyed by its title.
+    PropSectionToggle(String),
     /// Toggle the editable-dropdown (block Name) option list open/closed.
     PropEditChoiceToggle,
     /// User is typing in a block-attribute value field (live buffer update),
@@ -3314,6 +3320,7 @@ impl OpenCADStudio {
             discussions: Vec::new(),
             discussions_loading: false,
             props_asym_scale: std::collections::HashSet::new(),
+            collapsed_property_sections: rustc_hash::FxHashSet::default(),
             start_section: StartSection::default(),
             start_action_w: std::sync::Arc::new(std::sync::atomic::AtomicU32::new(0)),
             history_content: iced::widget::text_editor::Content::new(),

src/app/properties.rs

@@ -47,6 +47,10 @@ impl OpenCADStudio {
         // Expanded coordinate groups persist across rebuilds AND selection
         // changes — it's a per-user view preference, not per-entity state.
         let expanded_groups = std::mem::take(&mut self.tabs[i].properties.expanded_groups);
+        // Section state belongs to the app, not a drawing tab, so the user's
+        // collapsed sections carry across every currently open drawing/project.
+        // The empty app-level default keeps a first-run palette fully expanded.
+        let collapsed_sections = self.collapsed_property_sections.clone();
         // Which entities the previous panel was built for — an uncommitted
         // edit buffer only survives a rebuild for the *same* selection.
         let prev_handles = std::mem::take(&mut self.tabs[i].properties.source_handles);
@@ -2278,6 +2282,7 @@ impl OpenCADStudio {
                 None
             };
             panel.expanded_groups = expanded_groups;
+            panel.collapsed_sections = collapsed_sections;
             panel.source_handles = new_handles;
             panel.prop_vertex = prop_vertex;
             panel.prop_vertex_indicator_active = prop_vertex_indicator_active;

src/app/update/mod.rs

@@ -5104,6 +5104,20 @@ impl OpenCADStudio {
                 Task::none()
             }
 
+            Message::PropSectionToggle(title) => {
+                let sections = &mut self.collapsed_property_sections;
+                if !sections.remove(&title) {
+                    sections.insert(title);
+                }
+                // Keep already-built panels in other open documents in sync,
+                // rather than waiting for each one to rebuild on selection.
+                let sections = self.collapsed_property_sections.clone();
+                for tab in &mut self.tabs {
+                    tab.properties.collapsed_sections = sections.clone();
+                }
+                Task::none()
+            }
+
             Message::PropEditChoiceToggle => {
                 let panel = &mut self.tabs[self.active_tab].properties;
                 panel.edit_choice_open = !panel.edit_choice_open;