Merge pull request #1667 from ramox81/codex/view-presets

-VIEW command-line form: presets with orthographic UCS, sEttings and Window

# Conflicts:
#	src/app/commands/mod.rs
#	src/io/mod.rs

src/app/commands/layerprops.rs

@@ -787,6 +787,22 @@ impl OpenCADStudio {
                 }
             }
 
+            // -VIEW: the command-line form of VIEW (modules/view/view_cmd.rs).
+            // The command gathers the input; `-VIEW >…` carries out what it
+            // gathered. A whole line (`-VIEW _O _FRONT`) feeds its words to
+            // the command one by one, as typed.
+            "-VIEW" => {
+                use crate::command::CadCommand;
+                let c = crate::modules::view::view_cmd::DashViewCommand::new(self.dash_view_names(i));
+                self.command_line.push_info(&c.prompt());
+                self.tabs[i].active_cmd = Some(Box::new(c));
+            }
+            cmd if cmd.starts_with("-VIEW >") => {
+                return Some(self.run_dash_view(&cmd["-VIEW >".len()..], i));
+            }
+            cmd if cmd.starts_with("-VIEW ") => {
+                return Some(self.run_command_line(cmd));
+            }
             "VIEW" => {
                 use crate::command::KeywordCommand;
                 let c = KeywordCommand::new(
@@ -910,45 +926,14 @@ impl OpenCADStudio {
                             }
                         }
                     }
-                    // Standard orientation presets — snap the camera to a world
-                    // axis view (these names take precedence over a same-named
-                    // saved view, matching the standard orientation behaviour).
-                    "TOP" | "FRONT" | "BACK" | "LEFT" | "RIGHT" | "BOTTOM" => {
-                        use crate::scene::pipeline::viewcube::{
-                            FACE_BACK, FACE_BOTTOM, FACE_FRONT, FACE_LEFT, FACE_RIGHT, FACE_TOP,
-                        };
-                        let face = match sub.as_str() {
-                            "TOP" => FACE_TOP,
-                            "BOTTOM" => FACE_BOTTOM,
-                            "FRONT" => FACE_FRONT,
-                            "BACK" => FACE_BACK,
-                            "RIGHT" => FACE_RIGHT,
-                            _ => FACE_LEFT,
-                        };
-                        return Some(Task::done(Message::ViewCubeSnapWorld(
-                            crate::scene::CubeRegion::Face(face),
-                        )));
+                    // Standard orientation presets: the world views -VIEW sets,
+                    // with the orthographic UCS while UCSORTHO is on. These
+                    // names take precedence over a same-named saved view.
+                    "TOP" | "FRONT" | "BACK" | "LEFT" | "RIGHT" | "BOTTOM" | "SWISO" | "SEISO" | "NEISO" | "NWISO" => {
+                        return Some(self.apply_view_preset(&sub));
                     }
-                    // Isometric presets snap to the matching ViewCube corner;
                     // ISO alone is the south-west one.
-                    "ISO" | "ISOMETRIC" | "SWISO" | "SEISO" | "NEISO" | "NWISO" => {
-                        let (x, y) = match sub.as_str() {
-                            "SEISO" => (1.0, -1.0),
-                            "NEISO" => (1.0, 1.0),
-                            "NWISO" => (-1.0, 1.0),
-                            _ => (-1.0, -1.0),
-                        };
-                        let want = glam::Vec3::new(x, y, 1.0).normalize();
-                        let corner = (18..26)
-                            .map(crate::scene::CubeRegion::Corner)
-                            .max_by(|a, b| {
-                                a.snap_direction()
-                                    .dot(want)
-                                    .total_cmp(&b.snap_direction().dot(want))
-                            })
-                            .expect("the cube has corners");
-                        return Some(Task::done(Message::ViewCubeSnap(corner)));
-                    }
+                    "ISO" | "ISOMETRIC" => return Some(self.apply_view_preset("SWISO")),
                     // VIEW <name> shortcut for restore
                     _ => {
                         let name = sub.clone();