Feat: VPLAYER ALL — freeze/thaw layer across all viewports in layout

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/app/cmd_result.rs

@@ -286,7 +286,8 @@ impl H7CAD {
                 }
             }
             CmdResult::VpLayerUpdate { vp_handle, freeze, thaw } => {
-                // Resolve layer names → handles, then update frozen_layers on the viewport.
+                // Resolve layer names → handles, then update frozen_layers on the viewport(s).
+                // vp_handle == Handle::NULL means "apply to all viewports in current layout".
                 let freeze_handles: Vec<Handle> = freeze.iter()
                     .filter_map(|name| {
                         self.tabs[i].scene.document.layers.iter()
@@ -305,19 +306,36 @@ impl H7CAD {
                 let mut frozen_count = 0usize;
                 let mut thawed_count = 0usize;
 
-                if let Some(acadrust::EntityType::Viewport(vp)) =
-                    self.tabs[i].scene.document.get_entity_mut(vp_handle)
-                {
-                    for h in &freeze_handles {
-                        if !vp.frozen_layers.contains(h) {
-                            vp.frozen_layers.push(*h);
-                            frozen_count += 1;
+                // Collect target viewport handles
+                let target_handles: Vec<Handle> = if vp_handle == acadrust::Handle::NULL {
+                    // All viewports in current layout block
+                    let block_handle = self.tabs[i].scene.current_layout_block_handle_pub();
+                    self.tabs[i].scene.document.entities()
+                        .filter(|e| {
+                            e.common().owner_handle == block_handle
+                                && matches!(e, acadrust::EntityType::Viewport(_))
+                        })
+                        .map(|e| e.common().handle)
+                        .collect()
+                } else {
+                    vec![vp_handle]
+                };
+
+                for &target_handle in &target_handles {
+                    if let Some(acadrust::EntityType::Viewport(vp)) =
+                        self.tabs[i].scene.document.get_entity_mut(target_handle)
+                    {
+                        for h in &freeze_handles {
+                            if !vp.frozen_layers.contains(h) {
+                                vp.frozen_layers.push(*h);
+                                frozen_count += 1;
+                            }
+                        }
+                        for h in &thaw_handles {
+                            let before = vp.frozen_layers.len();
+                            vp.frozen_layers.retain(|fh| fh != h);
+                            if vp.frozen_layers.len() < before { thawed_count += 1; }
                         }
-                    }
-                    for h in &thaw_handles {
-                        let before = vp.frozen_layers.len();
-                        vp.frozen_layers.retain(|fh| fh != h);
-                        if vp.frozen_layers.len() < before { thawed_count += 1; }
                     }
                 }
 

src/modules/layout/vplayer.rs

@@ -2,9 +2,11 @@
 //
 // Usage (command line):
 //   VPLAYER
-//   > F <layer_name>   → freeze layer in active viewport
-//   > T <layer_name>   → thaw layer in active viewport
-//   > Enter            → exit
+//   > F <layer_name>        → freeze layer in active viewport
+//   > T <layer_name>        → thaw layer in active viewport
+//   > F ALL <layer_name>    → freeze layer in ALL viewports
+//   > T ALL <layer_name>    → thaw layer in ALL viewports
+//   > Enter                 → exit
 //
 // Layer names are case-insensitive. Multiple space-separated names are accepted.
 
@@ -43,12 +45,22 @@ impl CadCommand for VplayerCommand {
             return Some(CmdResult::Cancel);
         }
 
-        let mut parts = text.splitn(2, char::is_whitespace);
-        let op = parts.next().unwrap_or("").to_uppercase();
-        let rest = parts.next().unwrap_or("").trim();
+        let tokens: Vec<&str> = text.split_whitespace().collect();
+        if tokens.is_empty() {
+            return None;
+        }
 
-        let layer_names: Vec<String> = rest
-            .split_whitespace()
+        let op = tokens[0].to_uppercase();
+
+        // Check for ALL keyword: "F ALL layer1 layer2" or "T ALL layer1"
+        let (all_viewports, layer_start) = if tokens.get(1).map(|s| s.to_uppercase().as_str() == "ALL").unwrap_or(false) {
+            (true, 2)
+        } else {
+            (false, 1)
+        };
+
+        let layer_names: Vec<String> = tokens[layer_start..]
+            .iter()
             .map(|s| s.to_string())
             .collect();
 
@@ -56,14 +68,17 @@ impl CadCommand for VplayerCommand {
             return None; // no layer name given — ignore and re-prompt
         }
 
+        // Handle::NULL signals "apply to all viewports" in cmd_result.rs
+        let vp_handle = if all_viewports { acadrust::Handle::NULL } else { self.vp_handle };
+
         match op.as_str() {
             "F" | "FREEZE" => Some(CmdResult::VpLayerUpdate {
-                vp_handle: self.vp_handle,
+                vp_handle,
                 freeze: layer_names,
                 thaw: vec![],
             }),
             "T" | "THAW" => Some(CmdResult::VpLayerUpdate {
-                vp_handle: self.vp_handle,
+                vp_handle,
                 freeze: vec![],
                 thaw: layer_names,
             }),