feat(app): surface round-trip HeaderVariables via DWGPROPS + USERI/USERR
The "round-trip metadata" fields (timestamps, GUIDs, file identity, user-script scalars) were parsed and re-emitted on save but never exposed anywhere, so users couldn't confirm what the file actually carried. Add two command-line commands that read / edit them: - DWGPROPS / DWGPROP dumps the header to the command-line output: create / update / total-edit / user-elapsed timestamps, fingerprint_guid, version_guid, code_page, menu_name, hyperlink_base, project_name, stylesheet, required_versions, measurement (with a human label), proxy_graphics, tree_depth, plus the five USERI / USERR slots and the user_timer flag. - USERI <1-5> <int> / USERR <1-5> <real> writes one of the five document-scoped scalar slots and marks the tab dirty so the value rides the next save. Lets users park drawing-scoped numbers in the same place AutoCAD scripts have always used them, even though we don't ship a LISP / DIESEL runtime. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Hakan Seven
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@ -2348,6 +2348,181 @@ impl H7CAD {
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self.command_line.push_info("Opening Patreon page...");
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self.command_line.push_info("Opening Patreon page...");
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}
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}
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// ── DWGPROPS — print round-trip-only HeaderVariables ─────────
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// No UI dialog for these yet; the command surfaces them so
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// users can confirm the values that the parser populated and
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// the writer will round-trip on save.
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"DWGPROPS" | "DWGPROP" => {
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let i = self.active_tab;
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let h = &self.tabs[i].scene.document.header;
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let path_label = self.tabs[i]
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.current_path
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.as_ref()
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.map(|p| p.display().to_string())
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.unwrap_or_else(|| "(unsaved)".to_string());
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self.command_line
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.push_output(&format!("Drawing: {}", path_label));
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self.command_line.push_output(&format!(
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" Created (Julian): {:.6}",
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h.create_date_julian
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));
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self.command_line.push_output(&format!(
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" Updated (Julian): {:.6}",
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h.update_date_julian
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));
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self.command_line.push_output(&format!(
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" Total edit time: {:.4}",
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h.total_editing_time
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));
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self.command_line.push_output(&format!(
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" User elapsed: {:.4}",
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h.user_elapsed_time
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));
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self.command_line.push_output(&format!(
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" Last saved by: {}",
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if h.last_saved_by.is_empty() {
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"(unknown)"
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} else {
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&h.last_saved_by
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}
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));
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self.command_line.push_output(&format!(
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" Fingerprint GUID: {}",
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if h.fingerprint_guid.is_empty() {
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"(none)"
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} else {
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&h.fingerprint_guid
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}
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));
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self.command_line.push_output(&format!(
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" Version GUID: {}",
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if h.version_guid.is_empty() {
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"(none)"
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} else {
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&h.version_guid
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}
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));
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self.command_line
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.push_output(&format!(" Code page: {}", h.code_page));
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self.command_line.push_output(&format!(
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" Menu name: {}",
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if h.menu_name.is_empty() {
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"(none)"
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} else {
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&h.menu_name
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}
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));
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self.command_line.push_output(&format!(
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" Hyperlink base: {}",
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if h.hyperlink_base.is_empty() {
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"(none)"
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} else {
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&h.hyperlink_base
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}
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));
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self.command_line.push_output(&format!(
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" Project name: {}",
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if h.project_name.is_empty() {
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"(none)"
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} else {
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&h.project_name
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}
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));
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self.command_line.push_output(&format!(
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" Stylesheet: {}",
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if h.stylesheet.is_empty() {
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"(none)"
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} else {
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&h.stylesheet
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}
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));
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self.command_line.push_output(&format!(
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" Required versions: {:#018x}",
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h.required_versions
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));
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self.command_line.push_output(&format!(
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" Measurement: {} ({})",
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h.measurement,
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if h.measurement == 1 { "Metric" } else { "Imperial" }
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));
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self.command_line.push_output(&format!(
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" Proxy graphics: {}",
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h.proxy_graphics
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));
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self.command_line
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.push_output(&format!(" Tree depth: {}", h.tree_depth));
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self.command_line.push_output(&format!(
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" User vars (int): {} {} {} {} {}",
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h.user_int1, h.user_int2, h.user_int3, h.user_int4, h.user_int5
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));
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self.command_line.push_output(&format!(
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" User vars (real): {:.6} {:.6} {:.6} {:.6} {:.6}",
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h.user_real1, h.user_real2, h.user_real3, h.user_real4, h.user_real5
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));
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self.command_line.push_output(&format!(
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" User timer: {}",
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if h.user_timer { "On" } else { "Off" }
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));
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}
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// Edit a USERI1..USERI5 / USERR1..USERR5 slot. Lets the user
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// store drawing-scoped scalars (and save them through round-trip)
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// even though we don't have a LISP / DIESEL runtime yet.
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// USERI 1 42 → header.user_int1 = 42
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// USERR 3 1.5e-3 → header.user_real3 = 0.0015
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cmd if cmd.starts_with("USERI") || cmd.starts_with("USERR") => {
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let is_real = cmd.starts_with("USERR");
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let rest = if is_real {
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cmd.trim_start_matches("USERR").trim()
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} else {
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cmd.trim_start_matches("USERI").trim()
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};
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let parts: Vec<&str> = rest.splitn(2, ' ').collect();
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let slot: Option<usize> = parts.first().and_then(|s| s.parse().ok());
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let value = parts.get(1).copied().unwrap_or("").trim();
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let i = self.active_tab;
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let h = &mut self.tabs[i].scene.document.header;
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match (slot, value, is_real) {
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(Some(n @ 1..=5), v, true) => {
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if let Ok(val) = v.parse::<f64>() {
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match n {
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1 => h.user_real1 = val,
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2 => h.user_real2 = val,
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3 => h.user_real3 = val,
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4 => h.user_real4 = val,
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_ => h.user_real5 = val,
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}
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self.tabs[i].dirty = true;
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self.command_line
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.push_output(&format!("USERR{n} = {val}"));
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} else {
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self.command_line
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.push_info("Usage: USERR <1-5> <real>");
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}
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}
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(Some(n @ 1..=5), v, false) => {
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if let Ok(val) = v.parse::<i16>() {
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match n {
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1 => h.user_int1 = val,
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2 => h.user_int2 = val,
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3 => h.user_int3 = val,
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4 => h.user_int4 = val,
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_ => h.user_int5 = val,
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}
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self.tabs[i].dirty = true;
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self.command_line
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.push_output(&format!("USERI{n} = {val}"));
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} else {
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self.command_line
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.push_info("Usage: USERI <1-5> <integer>");
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}
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}
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_ => self
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.command_line
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.push_info("Usage: USERI <1-5> <int> | USERR <1-5> <real>"),
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}
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}
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"REPORT" => {
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"REPORT" => {
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let _ = open::that("https://github.com/HakanSeven12/H7CAD/issues/new");
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let _ = open::that("https://github.com/HakanSeven12/H7CAD/issues/new");
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self.command_line.push_info("Opening GitHub issue page...");
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self.command_line.push_info("Opening GitHub issue page...");
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