Complete Coincident command behavior

src/modules/parametric/geom_constraint.rs

@@ -0,0 +1,87 @@
+use glam::DVec3;
+
+use crate::command::{CadCommand, CmdOption, CmdResult};
+
+/// Command-line front end for the standard geometric-constraint family.
+/// Each choice is handed to the existing focused command so ribbon and typed
+/// entry use one implementation.
+pub struct GeomConstraintCommand;
+
+impl GeomConstraintCommand {
+    pub fn new() -> Self {
+        Self
+    }
+
+    fn dispatch(keyword: &str) -> Option<&'static str> {
+        Some(match keyword {
+            "H" | "HORIZONTAL" => "HCONSTRAINT",
+            "V" | "VERTICAL" => "VCONSTRAINT",
+            "P" | "PERPENDICULAR" => "QCONSTRAINT",
+            "PA" | "PARALLEL" => "PCONSTRAINT",
+            "T" | "TANGENT" => "TCONSTRAINT",
+            "SM" | "SMOOTH" => "SMOOTHCONSTRAINT",
+            "C" | "COINCIDENT" => "GCCOINCIDENT",
+            "CON" | "CONCENTRIC" => "NCONSTRAINT",
+            "COL" | "COLLINEAR" | "COLINEAR" => "LCONSTRAINT",
+            "SY" | "SYMMETRIC" => "SYCONSTRAINT",
+            "E" | "EQUAL" => "ECONSTRAINT",
+            "F" | "FIX" => "FXCONSTRAINT",
+            _ => return None,
+        })
+    }
+}
+
+impl CadCommand for GeomConstraintCommand {
+    fn name(&self) -> &'static str {
+        "GEOMCONSTRAINT"
+    }
+
+    fn prompt(&self) -> String {
+        "GEOMCONSTRAINT  Enter constraint type [Horizontal/Vertical/Perpendicular/Parallel/Tangent/Smooth/Coincident/Concentric/Collinear/Symmetric/Equal/Fix] <Coincident>:".to_string()
+    }
+
+    fn options(&self) -> Vec<CmdOption> {
+        vec![
+            CmdOption::new("Horizontal", "H"),
+            CmdOption::new("Vertical", "V"),
+            CmdOption::new("Perpendicular", "P"),
+            CmdOption::new("Parallel", "PA"),
+            CmdOption::new("Tangent", "T"),
+            CmdOption::new("Smooth", "SM"),
+            CmdOption::new("Coincident", "C"),
+            CmdOption::new("Concentric", "CON"),
+            CmdOption::new("Collinear", "COL"),
+            CmdOption::new("Symmetric", "SY"),
+            CmdOption::new("Equal", "E"),
+            CmdOption::new("Fix", "F"),
+        ]
+    }
+
+    fn wants_text_input(&self) -> bool {
+        true
+    }
+
+    fn on_text_input(&mut self, text: &str) -> Option<CmdResult> {
+        let keyword = text
+            .trim()
+            .trim_start_matches('_')
+            .to_ascii_uppercase();
+        Self::dispatch(&keyword).map(|command| CmdResult::Dispatch(command.to_string()))
+    }
+
+    fn on_point(&mut self, _point: DVec3) -> CmdResult {
+        CmdResult::NeedPoint
+    }
+
+    fn on_enter(&mut self) -> CmdResult {
+        CmdResult::Dispatch("GCCOINCIDENT".to_string())
+    }
+
+    fn on_escape(&mut self) -> CmdResult {
+        CmdResult::Cancel
+    }
+}
+
+inventory::submit!(crate::command::CommandRegistration {
+    names: &["GEOMCONSTRAINT"]
+});