first commit

src/modules/view/hidden.rs

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+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "HIDDENLINE",
+        label: "Hidden",
+        icon: IconKind::Glyph("◫"),
+        event: ModuleEvent::Command("HIDDENLINE".to_string()),
+    }
+}

src/modules/view/mod.rs

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+// View module — navigation, visual styles, and viewport presets.
+
+mod hidden;
+mod orbit;
+mod ortho;
+mod pan;
+mod persp;
+mod solid;
+mod view_front;
+mod view_iso;
+mod view_right;
+mod view_top;
+mod wireframe;
+mod xray;
+mod zoom_ext;
+mod zoom_in;
+mod zoom_out;
+
+use crate::modules::{CadModule, RibbonGroup};
+
+pub struct ViewModule;
+
+impl CadModule for ViewModule {
+    fn id(&self) -> &'static str {
+        "view"
+    }
+    fn title(&self) -> &'static str {
+        "View"
+    }
+
+    fn ribbon_groups(&self) -> Vec<RibbonGroup> {
+        vec![
+            RibbonGroup {
+                title: "Navigate",
+                tools: vec![
+                    zoom_ext::tool().into(),
+                    zoom_in::tool().into(),
+                    zoom_out::tool().into(),
+                    pan::tool().into(),
+                    orbit::tool().into(),
+                ],
+            },
+            RibbonGroup {
+                // WIREFRAME and SOLID ids are special-cased in ribbon.rs
+                // for toggle-state highlighting based on Ribbon::wireframe.
+                title: "Visual Style",
+                tools: vec![
+                    wireframe::tool().into(),
+                    solid::tool().into(),
+                    hidden::tool().into(),
+                    xray::tool().into(),
+                ],
+            },
+            RibbonGroup {
+                // ORTHO and PERSP ids are special-cased in ribbon.rs
+                // for toggle-state highlighting based on Camera::projection.
+                title: "Projection",
+                tools: vec![ortho::tool().into(), persp::tool().into()],
+            },
+            RibbonGroup {
+                title: "Preset",
+                tools: vec![
+                    view_top::tool().into(),
+                    view_front::tool().into(),
+                    view_right::tool().into(),
+                    view_iso::tool().into(),
+                ],
+            },
+        ]
+    }
+}

src/modules/view/orbit.rs

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+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "3DORBIT",
+        label: "3D Orbit",
+        icon: IconKind::Glyph("⟳"),
+        event: ModuleEvent::Command("3DORBIT".to_string()),
+    }
+}

src/modules/view/ortho.rs

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+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "ORTHO",
+        label: "Ortho",
+        icon: IconKind::Glyph("⊡"),
+        event: ModuleEvent::Command("ORTHO".into()),
+    }
+}

src/modules/view/pan.rs

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+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "PAN",
+        label: "Pan",
+        icon: IconKind::Glyph("✥"),
+        event: ModuleEvent::Command("PAN".to_string()),
+    }
+}

src/modules/view/persp.rs

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+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "PERSP",
+        label: "Persp",
+        icon: IconKind::Glyph("⟁"),
+        event: ModuleEvent::Command("PERSP".into()),
+    }
+}

src/modules/view/solid.rs

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+// Solid (Shaded) visual style toggle.
+// id "SOLID" is special-cased in ribbon.rs for active-state highlighting.
+
+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "SOLID",
+        label: "Solid",
+        icon: IconKind::Glyph("■"),
+        event: ModuleEvent::SetWireframe(false),
+    }
+}

src/modules/view/view_front.rs

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+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "VIEW_FRONT",
+        label: "Front",
+        icon: IconKind::Glyph("⊥"),
+        event: ModuleEvent::Command("VIEW FRONT".to_string()),
+    }
+}

src/modules/view/view_iso.rs

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+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "VIEW_ISO",
+        label: "Iso",
+        icon: IconKind::Glyph("◈"),
+        event: ModuleEvent::Command("VIEW ISO".to_string()),
+    }
+}

src/modules/view/view_right.rs

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+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "VIEW_RIGHT",
+        label: "Right",
+        icon: IconKind::Glyph("⊣"),
+        event: ModuleEvent::Command("VIEW RIGHT".to_string()),
+    }
+}

src/modules/view/view_top.rs

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+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "VIEW_TOP",
+        label: "Top",
+        icon: IconKind::Glyph("⊤"),
+        event: ModuleEvent::Command("VIEW TOP".to_string()),
+    }
+}

src/modules/view/wireframe.rs

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+// Wireframe visual style toggle.
+// id "WIREFRAME" is special-cased in ribbon.rs for active-state highlighting.
+
+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "WIREFRAME",
+        label: "Wireframe",
+        icon: IconKind::Glyph("□"),
+        event: ModuleEvent::SetWireframe(true),
+    }
+}

src/modules/view/xray.rs

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+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "XRAY",
+        label: "X-Ray",
+        icon: IconKind::Glyph("◈"),
+        event: ModuleEvent::Command("XRAY".to_string()),
+    }
+}

src/modules/view/zoom_ext.rs

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+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "ZOOM_EXT",
+        label: "Zoom Ext",
+        icon: IconKind::Glyph("⊡"),
+        event: ModuleEvent::Command("ZOOM EXTENTS".to_string()),
+    }
+}

src/modules/view/zoom_in.rs

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+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "ZOOM_IN",
+        label: "Zoom In",
+        icon: IconKind::Glyph("🔍"),
+        event: ModuleEvent::Command("ZOOM IN".to_string()),
+    }
+}

src/modules/view/zoom_out.rs

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+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "ZOOM_OUT",
+        label: "Zoom Out",
+        icon: IconKind::Glyph("🔎"),
+        event: ModuleEvent::Command("ZOOM OUT".to_string()),
+    }
+}