first commit

src/modules/annotate/mtext.rs

@@ -0,0 +1,89 @@
+use acadrust::types::Vector3;
+use acadrust::{EntityType, MText};
+
+use crate::command::{CadCommand, CmdResult};
+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+use crate::scene::wire_model::WireModel;
+use glam::Vec3;
+
+pub const ICON: IconKind = IconKind::Svg(include_bytes!("../../../assets/icons/mtext.svg"));
+
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "MTEXT",
+        label: "MText",
+        icon: ICON,
+        event: ModuleEvent::Command("MTEXT".to_string()),
+    }
+}
+
+enum Step {
+    InsertPoint,
+    WaitText(Vec3),
+}
+
+pub struct MTextCommand {
+    step: Step,
+}
+
+impl MTextCommand {
+    pub fn new() -> Self {
+        Self {
+            step: Step::InsertPoint,
+        }
+    }
+}
+
+impl CadCommand for MTextCommand {
+    fn name(&self) -> &'static str {
+        "MTEXT"
+    }
+
+    fn prompt(&self) -> String {
+        match &self.step {
+            Step::InsertPoint => "MTEXT  Specify insertion point:".into(),
+            Step::WaitText(pos) => format!(
+                "MTEXT  Type text, press Enter  [at {:.2},{:.2}]:",
+                pos.x, pos.z
+            ),
+        }
+    }
+
+    fn on_point(&mut self, pt: Vec3) -> CmdResult {
+        self.step = Step::WaitText(pt);
+        CmdResult::NeedPoint
+    }
+
+    fn on_enter(&mut self) -> CmdResult {
+        CmdResult::Cancel
+    }
+    fn on_escape(&mut self) -> CmdResult {
+        CmdResult::Cancel
+    }
+
+    fn wants_text_input(&self) -> bool {
+        matches!(self.step, Step::WaitText(_))
+    }
+
+    fn on_text_input(&mut self, text: &str) -> Option<CmdResult> {
+        if let Step::WaitText(pos) = &self.step {
+            if text.trim().is_empty() {
+                return Some(CmdResult::Cancel);
+            }
+            let mt = MText {
+                insertion_point: Vector3::new(pos.x as f64, pos.y as f64, pos.z as f64),
+                value: text.to_string(),
+                height: 0.25,
+                rectangle_width: text.len() as f64 * 0.15,
+                ..Default::default()
+            };
+            Some(CmdResult::CommitEntity(EntityType::MText(mt)))
+        } else {
+            None
+        }
+    }
+
+    fn on_mouse_move(&mut self, _pt: Vec3) -> Option<WireModel> {
+        None
+    }
+}