feat(tablestyle): editable General section (margins, flow-suppress toggles)

The Table Style editor's General fields are now editable: H/V cell margins
(buffers + Apply) and title/header row-suppressed toggles, loaded from the
selected style on select. Per-cell (Data/Header/Title) text/fill/border
editing remains a follow-up.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/app/mod.rs

@@ -296,6 +296,9 @@ pub(super) struct OpenCADStudio {
 
     // ── TableStyle Dialog ─────────────────────────────────────────────────
     tablestyle_selected: String,
+    /// Edit buffers for the table style's general margins.
+    ts_hmargin: String,
+    ts_vmargin: String,
 
     // ── TextStyle Font Browser ────────────────────────────────────────────
     textstyle_selected: String,
@@ -987,6 +990,13 @@ pub enum Message {
     TableStyleDialogDelete,
     /// Toggle the Annotative flag on the selected table style.
     TableStyleToggleAnnotative,
+    /// Toggle a boolean flag (title_suppressed / header_suppressed / flow) on
+    /// the selected table style.
+    TableStyleToggle(&'static str),
+    /// Update a general edit buffer (hmargin / vmargin).
+    TableStyleEdit { field: &'static str, value: String },
+    /// Write the general edit buffers back into the selected table style.
+    TableStyleApply,
     // ── MLineStyle Dialog ─────────────────────────────────────────────────
     MlStyleDialogOpen,
     #[allow(dead_code)]
@@ -1158,6 +1168,8 @@ impl OpenCADStudio {
             textstyle_ttf: String::new(),
             // TableStyle dialog
             tablestyle_selected: "Standard".to_string(),
+            ts_hmargin: "1.5".to_string(),
+            ts_vmargin: "1.5".to_string(),
             // MLineStyle dialog
             mlstyle_selected: "Standard".to_string(),
             // DimStyle dialog

src/app/update.rs

@@ -5740,7 +5740,69 @@ impl OpenCADStudio {
                 }
             }
             Message::TableStyleDialogSelect(name) => {
+                use acadrust::objects::ObjectType;
                 self.tablestyle_selected = name;
+                let i = self.active_tab;
+                for obj in self.tabs[i].scene.document.objects.values() {
+                    if let ObjectType::TableStyle(s) = obj {
+                        if s.name == self.tablestyle_selected {
+                            self.ts_hmargin = format!("{:.4}", s.horizontal_margin);
+                            self.ts_vmargin = format!("{:.4}", s.vertical_margin);
+                        }
+                    }
+                }
+                Task::none()
+            }
+
+            Message::TableStyleEdit { field, value } => {
+                match field {
+                    "hmargin" => self.ts_hmargin = value,
+                    "vmargin" => self.ts_vmargin = value,
+                    _ => {}
+                }
+                Task::none()
+            }
+
+            Message::TableStyleApply => {
+                use acadrust::objects::ObjectType;
+                let i = self.active_tab;
+                let name = self.tablestyle_selected.clone();
+                let h: Option<f64> = self.ts_hmargin.trim().parse().ok();
+                let v: Option<f64> = self.ts_vmargin.trim().parse().ok();
+                self.push_undo_snapshot(i, "TABLESTYLE EDIT");
+                for obj in self.tabs[i].scene.document.objects.values_mut() {
+                    if let ObjectType::TableStyle(s) = obj {
+                        if s.name == name {
+                            if let Some(h) = h {
+                                s.horizontal_margin = h;
+                            }
+                            if let Some(v) = v {
+                                s.vertical_margin = v;
+                            }
+                        }
+                    }
+                }
+                self.tabs[i].dirty = true;
+                Task::none()
+            }
+
+            Message::TableStyleToggle(field) => {
+                use acadrust::objects::ObjectType;
+                let i = self.active_tab;
+                let name = self.tablestyle_selected.clone();
+                self.push_undo_snapshot(i, "TABLESTYLE EDIT");
+                for obj in self.tabs[i].scene.document.objects.values_mut() {
+                    if let ObjectType::TableStyle(s) = obj {
+                        if s.name == name {
+                            match field {
+                                "title_sup" => s.title_suppressed = !s.title_suppressed,
+                                "header_sup" => s.header_suppressed = !s.header_suppressed,
+                                _ => {}
+                            }
+                        }
+                    }
+                }
+                self.tabs[i].dirty = true;
                 Task::none()
             }
 

src/app/view.rs

@@ -117,6 +117,8 @@ impl OpenCADStudio {
                 styles,
                 &self.tablestyle_selected,
                 selected_style,
+                &self.ts_hmargin,
+                &self.ts_vmargin,
             );
         }
         if Some(window_id) == self.mlstyle_window {

src/ui/tablestyle.rs

@@ -1,7 +1,7 @@
 //! Table Style Manager window — fills the entire OS window.
 
 use crate::app::Message;
-use iced::widget::{button, checkbox, column, container, row, scrollable, text, Space};
+use iced::widget::{button, checkbox, column, container, row, scrollable, text, text_input, Space};
 use iced::{Background, Border, Color, Element, Fill, Theme};
 
 const TB: Color = Color {
@@ -129,6 +129,8 @@ pub fn view_window<'a>(
     styles: Vec<String>,
     selected: &'a str,
     selected_style: Option<&'a acadrust::objects::TableStyle>,
+    hmargin_buf: &'a str,
+    vmargin_buf: &'a str,
 ) -> Element<'a, Message> {
     // ── Toolbar ───────────────────────────────────────────────────────────
     let toolbar = container(
@@ -227,10 +229,38 @@ pub fn view_window<'a>(
                     .on_toggle(|_| Message::TableStyleToggleAnnotative)
                     .size(14)
                     .text_size(11),
-                info_row("H Margin:", format!("{:.4}", s.horizontal_margin)),
-                info_row("V Margin:", format!("{:.4}", s.vertical_margin)),
-                info_row("Title Suppressed:", s.title_suppressed.to_string()),
-                info_row("Header Suppressed:", s.header_suppressed.to_string()),
+                row![
+                    text("H Margin:").size(11).color(DIM).width(160),
+                    text_input("1.5", hmargin_buf)
+                        .on_input(|v| Message::TableStyleEdit { field: "hmargin", value: v })
+                        .size(11)
+                        .width(100),
+                ]
+                .spacing(8)
+                .align_y(iced::Center),
+                row![
+                    text("V Margin:").size(11).color(DIM).width(160),
+                    text_input("1.5", vmargin_buf)
+                        .on_input(|v| Message::TableStyleEdit { field: "vmargin", value: v })
+                        .size(11)
+                        .width(100),
+                ]
+                .spacing(8)
+                .align_y(iced::Center),
+                checkbox(s.title_suppressed)
+                    .label("Title row suppressed")
+                    .on_toggle(|_| Message::TableStyleToggle("title_sup"))
+                    .size(14)
+                    .text_size(11),
+                checkbox(s.header_suppressed)
+                    .label("Header row suppressed")
+                    .on_toggle(|_| Message::TableStyleToggle("header_sup"))
+                    .size(14)
+                    .text_size(11),
+                button(text("Apply margins").size(11))
+                    .on_press(Message::TableStyleApply)
+                    .style(btn_s(true))
+                    .padding([4, 12]),
                 row_info("Data Row:", &s.data_row_style),
                 row_info("Header Row:", &s.header_row_style),
                 row_info("Title Row:", &s.title_row_style),