feat: add Report/About/Changelog buttons to Support ribbon group

- REPORT opens GitHub new-issue page
- ABOUT opens a dialog window with version, OS and arch info + Copy Info button
- CHANGELOG opens GitHub releases page
- Fix Windows build: add windows-sys as target-specific dependency for PRINT command

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Cargo.lock

@@ -18,6 +18,7 @@ dependencies = [
  "truck-meshalgo",
  "truck-modeling",
  "truck-polymesh",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]

Cargo.toml

@@ -17,3 +17,6 @@ open = "5"
 printpdf = "0.9.1"
 flate2 = "1"
 image = { version = "0.25", default-features = false, features = ["png", "jpeg", "bmp", "tiff"] }
+
+[target.'cfg(target_os = "windows")'.dependencies]
+windows-sys = { version = "0.59", features = ["Win32_UI_Shell", "Win32_UI_WindowsAndMessaging"] }

assets/icons/about.svg

@@ -0,0 +1,8 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round">
+  <!-- Circle -->
+  <circle cx="12" cy="12" r="9"/>
+  <!-- i dot -->
+  <circle cx="12" cy="8" r="0.8" fill="currentColor" stroke="none"/>
+  <!-- i stem -->
+  <line x1="12" y1="11" x2="12" y2="16"/>
+</svg>

assets/icons/changelog.svg

@@ -0,0 +1,9 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round">
+  <!-- Clock circle -->
+  <circle cx="12" cy="12" r="9"/>
+  <!-- Clock hands -->
+  <polyline points="12,7 12,12 15.5,15.5"/>
+  <!-- Counter-clockwise arrow suggesting history -->
+  <path d="M5.6 5.6 A8.5 8.5 0 0 0 3 12" stroke-width="1.5"/>
+  <polyline points="2,9.5 3,12 5.5,10.8"/>
+</svg>

assets/icons/report.svg

@@ -0,0 +1,17 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round">
+  <!-- Bug body (oval) -->
+  <ellipse cx="12" cy="13" rx="5" ry="6"/>
+  <!-- Head -->
+  <circle cx="12" cy="6" r="2.2"/>
+  <!-- Antennae -->
+  <line x1="10.5" y1="4.2" x2="8" y2="2"/>
+  <line x1="13.5" y1="4.2" x2="16" y2="2"/>
+  <!-- Left legs -->
+  <line x1="7" y1="10" x2="4" y2="9"/>
+  <line x1="7" y1="13" x2="4" y2="13"/>
+  <line x1="7" y1="16" x2="4" y2="17"/>
+  <!-- Right legs -->
+  <line x1="17" y1="10" x2="20" y2="9"/>
+  <line x1="17" y1="13" x2="20" y2="13"/>
+  <line x1="17" y1="16" x2="20" y2="17"/>
+</svg>

src/app/commands.rs

@@ -2042,6 +2042,20 @@ impl H7CAD {
                 self.command_line.push_info("Opening Patreon page...");
             }
 
+            "REPORT" => {
+                let _ = open::that("https://github.com/HakanSeven12/H7CAD/issues/new");
+                self.command_line.push_info("Opening GitHub issue page...");
+            }
+
+            "ABOUT" => {
+                return Task::done(Message::AboutOpen);
+            }
+
+            "CHANGELOG" => {
+                let _ = open::that("https://github.com/HakanSeven12/H7CAD/releases");
+                self.command_line.push_info("Opening release notes...");
+            }
+
             // ── Keyboard Shortcuts panel ──────────────────────────────────
             cmd if cmd == "SHORTCUTS" || cmd.starts_with("SHORTCUTS ") => {
                 let raw_rest = cmd.trim_start_matches("SHORTCUTS").trim();

src/app/mod.rs

@@ -68,6 +68,7 @@ pub(super) struct H7CAD {
     plotstyle_window:       Option<window::Id>,
     dimstyle_window:        Option<window::Id>,
     shortcuts_window:       Option<window::Id>,
+    about_window:           Option<window::Id>,
     /// In-memory clipboard: cloned entities waiting to be pasted.
     clipboard: Vec<acadrust::EntityType>,
     /// Centroid of the clipboard entities (XZ plane, Y-up).
@@ -372,6 +373,9 @@ pub enum Message {
     ShortcutsPanelOpen,
     #[allow(dead_code)]
     ShortcutsPanelClose,
+    // ── About window ────────────────────────────────────────────────────
+    AboutOpen,
+    AboutCopyInfo,
     /// Close the viewport right-click context menu without performing any action.
     ViewportContextMenuClose,
     /// A window was closed by the OS (e.g. the user clicked the title-bar ✕).
@@ -552,6 +556,7 @@ impl H7CAD {
             plotstyle_window:      None,
             dimstyle_window:       None,
             shortcuts_window:      None,
+            about_window:          None,
             clipboard: Vec::new(),
             clipboard_centroid: glam::Vec3::ZERO,
             layout_context_menu: None,
@@ -644,6 +649,7 @@ pub fn run() -> iced::Result {
             if Some(window_id) == state.plotstyle_window     { return "Plot Style Table Editor".into(); }
             if Some(window_id) == state.dimstyle_window      { return "Dimension Style Manager".into(); }
             if Some(window_id) == state.shortcuts_window     { return "Keyboard Shortcuts".into(); }
+            if Some(window_id) == state.about_window         { return "About H7CAD".into(); }
             if let Some(tab) = state.tabs.get(state.active_tab) {
                 let dot = if tab.dirty { "● " } else { "" };
                 let name = tab.tab_display_name();

src/app/update.rs

@@ -704,6 +704,7 @@ impl H7CAD {
                 if self.plotstyle_window     == Some(id) { self.plotstyle_window     = None; }
                 if self.dimstyle_window      == Some(id) { self.dimstyle_window      = None; }
                 if self.shortcuts_window     == Some(id) { self.shortcuts_window     = None; }
+                if self.about_window         == Some(id) { self.about_window         = None; }
                 Task::none()
             }
 
@@ -2502,6 +2503,30 @@ impl H7CAD {
                 }
             }
 
+            // ── About window ──────────────────────────────────────────────
+            Message::AboutOpen => {
+                if let Some(id) = self.about_window {
+                    return window::gain_focus(id);
+                }
+                let (id, task) = window::open(window::Settings {
+                    size: iced::Size::new(340.0, 240.0),
+                    resizable: false,
+                    ..Default::default()
+                });
+                self.about_window = Some(id);
+                task.map(|_| Message::Noop)
+            }
+
+            Message::AboutCopyInfo => {
+                let info = format!(
+                    "H7CAD v{}\nOS: {}\nArch: {}",
+                    env!("CARGO_PKG_VERSION"),
+                    std::env::consts::OS,
+                    std::env::consts::ARCH,
+                );
+                iced::clipboard::write(info)
+            }
+
             Message::ViewportContextMenuClose => {
                 let i = self.active_tab;
                 self.tabs[i].scene.selection.borrow_mut().context_menu = None;

src/app/view.rs

@@ -96,6 +96,9 @@ impl H7CAD {
         if Some(window_id) == self.shortcuts_window {
             return crate::ui::shortcuts::view_window(&self.shortcut_overrides);
         }
+        if Some(window_id) == self.about_window {
+            return crate::ui::about::view_window();
+        }
 
         let i = self.active_tab;
         let tab = &self.tabs[i];

src/modules/home/about.rs

@@ -0,0 +1,10 @@
+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "ABOUT",
+        label: "About",
+        icon: IconKind::Svg(include_bytes!("../../../assets/icons/about.svg")),
+        event: ModuleEvent::Command("ABOUT".to_string()),
+    }
+}

src/modules/home/changelog.rs

@@ -0,0 +1,10 @@
+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "CHANGELOG",
+        label: "Changelog",
+        icon: IconKind::Svg(include_bytes!("../../../assets/icons/changelog.svg")),
+        event: ModuleEvent::Command("CHANGELOG".to_string()),
+    }
+}

src/modules/home/mod.rs

@@ -2,8 +2,11 @@
 
 pub mod clipboard;
 pub mod defaults;
+mod about;
+mod changelog;
 mod donate;
 pub mod draw;
+mod report;
 pub mod groups;
 pub mod inquiry;
 pub mod layers;
@@ -27,7 +30,10 @@ impl CadModule for HomeModule {
         use crate::modules::annotate::{angular_dim, leader_cmd, linear_dim, mleader_cmd, mtext, radius_dim, text};
         use crate::modules::insert::{create_block, insert_block};
         use clipboard::{copy_clip, cut, paste};
+        use about;
+        use changelog;
         use donate;
+        use report;
         use draw::{arc, circle, ellipse, hatch, line, polyline, shapes};
         use layers::{layfrz, laylck, layoff, layon, laythw, layulk, make_current, match_layer, panel};
         use groups::{group, ungroup};
@@ -187,6 +193,9 @@ impl CadModule for HomeModule {
                 title: "Support",
                 tools: vec![
                     RibbonItem::LargeTool(donate::tool()),
+                    report::tool().into(),
+                    about::tool().into(),
+                    changelog::tool().into(),
                 ],
             },
         ]

src/modules/home/report.rs

@@ -0,0 +1,10 @@
+use crate::modules::{IconKind, ModuleEvent, ToolDef};
+
+pub fn tool() -> ToolDef {
+    ToolDef {
+        id: "REPORT",
+        label: "Report",
+        icon: IconKind::Svg(include_bytes!("../../../assets/icons/report.svg")),
+        event: ModuleEvent::Command("REPORT".to_string()),
+    }
+}

src/ui/about.rs

@@ -0,0 +1,96 @@
+use crate::app::Message;
+use iced::widget::{button, column, container, row, text, Space};
+use iced::{Background, Border, Color, Element, Fill, Theme};
+
+const BG:     Color = Color { r: 0.15, g: 0.15, b: 0.15, a: 1.0 };
+const PANEL:  Color = Color { r: 0.12, g: 0.12, b: 0.12, a: 1.0 };
+const BORDER: Color = Color { r: 0.30, g: 0.30, b: 0.30, a: 1.0 };
+const DIM:    Color = Color { r: 0.55, g: 0.55, b: 0.55, a: 1.0 };
+const ACCENT: Color = Color { r: 0.25, g: 0.50, b: 0.85, a: 1.0 };
+const WHITE:  Color = Color { r: 0.92, g: 0.92, b: 0.92, a: 1.0 };
+
+fn info_row<'a>(label: &'static str, value: String) -> Element<'a, Message> {
+    row![
+        text(label).size(11).color(DIM).width(100),
+        text(value).size(11).color(WHITE),
+    ]
+    .spacing(8)
+    .align_y(iced::Center)
+    .padding([3, 0])
+    .into()
+}
+
+pub fn view_window<'a>() -> Element<'a, Message> {
+    let version   = env!("CARGO_PKG_VERSION");
+    let os        = std::env::consts::OS;
+    let arch      = std::env::consts::ARCH;
+
+    let logo = container(
+        column![
+            text("H7CAD").size(32).color(ACCENT),
+            text("CAD application for Architecture & Engineering")
+                .size(11).color(DIM),
+        ]
+        .spacing(4)
+        .align_x(iced::Center),
+    )
+    .width(Fill)
+    .padding(iced::Padding { top: 20.0, right: 0.0, bottom: 16.0, left: 0.0 })
+    .align_x(iced::Center);
+
+    let info_block = container(
+        column![
+            info_row("Version",   format!("v{}", version)),
+            info_row("Platform",  os.to_string()),
+            info_row("Arch",      arch.to_string()),
+        ]
+        .spacing(2)
+        .padding([12, 16]),
+    )
+    .width(Fill)
+    .style(|_: &Theme| container::Style {
+        background: Some(Background::Color(PANEL)),
+        border: Border {
+            color: BORDER,
+            width: 1.0,
+            radius: 4.0.into(),
+        },
+        ..Default::default()
+    });
+
+    let copy_btn = button(
+        text("Copy Info").size(11),
+    )
+    .on_press(Message::AboutCopyInfo)
+    .style(|_: &Theme, st| button::Style {
+        background: Some(Background::Color(match st {
+            button::Status::Hovered | button::Status::Pressed =>
+                Color { r: 0.20, g: 0.42, b: 0.72, a: 1.0 },
+            _ => ACCENT,
+        })),
+        text_color: WHITE,
+        border: Border { radius: 4.0.into(), ..Default::default() },
+        ..Default::default()
+    })
+    .padding([6, 16]);
+
+    let footer = row![
+        Space::new().width(Fill),
+        copy_btn,
+    ]
+    .align_y(iced::Center)
+    .padding(iced::Padding { top: 12.0, right: 0.0, bottom: 0.0, left: 0.0 });
+
+    container(
+        column![logo, info_block, footer]
+            .spacing(0)
+            .padding(iced::Padding { top: 0.0, right: 20.0, bottom: 20.0, left: 20.0 }),
+    )
+    .style(|_: &Theme| container::Style {
+        background: Some(Background::Color(BG)),
+        ..Default::default()
+    })
+    .width(Fill)
+    .height(Fill)
+    .into()
+}

src/ui/mod.rs

@@ -2,6 +2,7 @@
 /// Change this to scale the ribbon, layer manager rows, and property panel rows uniformly.
 pub const ROW_H: f32 = 26.0;
 
+pub mod about;
 pub mod app_menu;
 pub mod command_line;
 pub mod dimstyle;