first commit

src/modules/manage/mod.rs

@@ -0,0 +1,23 @@
+// Manage module — application settings and customization tools.
+
+mod options;
+
+use crate::modules::{CadModule, RibbonGroup};
+
+pub struct ManageModule;
+
+impl CadModule for ManageModule {
+    fn id(&self) -> &'static str {
+        "manage"
+    }
+    fn title(&self) -> &'static str {
+        "Manage"
+    }
+
+    fn ribbon_groups(&self) -> Vec<RibbonGroup> {
+        vec![RibbonGroup {
+            title: "Settings",
+            tools: vec![options::tool().into()],
+        }]
+    }
+}

src/modules/manage/mview.rs

@@ -0,0 +1,94 @@
+// MVIEW — interactive paper-space viewport creation.
+//
+// Two clicks define opposite corners of a new viewport rectangle.
+// The created Viewport entity is routed to add_entity_to_layout by apply_cmd_result
+// because we're in paper space.
+
+use acadrust::entities::Viewport;
+use acadrust::types::Vector3;
+use acadrust::EntityType;
+
+use crate::command::{CadCommand, CmdResult};
+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+use crate::scene::wire_model::WireModel;
+use glam::Vec3;
+
+// ── Ribbon definition ─────────────────────────────────────────────────────
+
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id:    "MVIEW",
+        label: "Viewport",
+        icon:  IconKind::Glyph("⬜"),
+        event: ModuleEvent::Command("MVIEW".to_string()),
+    }
+}
+
+// ── Command ───────────────────────────────────────────────────────────────
+
+pub struct MviewCommand {
+    corner1: Option<Vec3>,
+}
+
+impl MviewCommand {
+    pub fn new() -> Self { Self { corner1: None } }
+}
+
+impl CadCommand for MviewCommand {
+    fn name(&self) -> &'static str { "MVIEW" }
+
+    fn prompt(&self) -> String {
+        if self.corner1.is_none() {
+            "MVIEW  İlk köşeyi belirtin:".to_string()
+        } else {
+            "MVIEW  Karşı köşeyi belirtin:".to_string()
+        }
+    }
+
+    fn on_point(&mut self, pt: Vec3) -> CmdResult {
+        if let Some(c1) = self.corner1 {
+            let w = (pt.x - c1.x).abs() as f64;
+            let h = (pt.z - c1.z).abs() as f64;
+            if w < 1.0 || h < 1.0 {
+                return CmdResult::Cancel;
+            }
+            let cx = ((c1.x + pt.x) / 2.0) as f64;
+            let cy = c1.y as f64;
+            let cz = ((c1.z + pt.z) / 2.0) as f64;
+
+            let mut vp = Viewport::new();
+            vp.center = Vector3::new(cx, cy, cz);
+            vp.width  = w;
+            vp.height = h;
+            vp.id     = 2;  // user viewport (id > 1)
+
+            CmdResult::CommitAndExit(EntityType::Viewport(vp))
+        } else {
+            self.corner1 = Some(pt);
+            CmdResult::NeedPoint
+        }
+    }
+
+    fn on_enter(&mut self) -> CmdResult { CmdResult::Cancel }
+
+    fn on_mouse_move(&mut self, pt: Vec3) -> Option<WireModel> {
+        let c1 = self.corner1?;
+        Some(WireModel {
+            name:           "mview_preview".to_string(),
+            points:         vec![
+                [c1.x, c1.y, c1.z],
+                [pt.x, c1.y, c1.z],
+                [pt.x, c1.y, pt.z],
+                [c1.x, c1.y, pt.z],
+                [c1.x, c1.y, c1.z],
+            ],
+            color:          WireModel::CYAN,
+            selected:       false,
+            pattern_length: 0.0,
+            pattern:        [0.0; 8],
+            line_weight_px: 1.0,
+            snap_pts:       vec![],
+            tangent_geoms: vec![],
+        })
+    }
+}

src/modules/manage/options.rs

@@ -0,0 +1,9 @@
+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "OPTIONS",
+        label: "Options",
+        icon: IconKind::Glyph("⚙"),
+        event: ModuleEvent::Command("OPTIONS".to_string()),
+    }
+}