dtmm: Add link to open mod on Nexus

Closes #157.

CHANGELOG.adoc

@@ -19,6 +19,7 @@
 - dtmm: fetch cover image for Nexus mods
 - dtmm: fetch file version for Nexus mods
 - dtmm: handle `nxm://` URIs via IPC and import the corresponding mod
+- dtmm: Add button to open mod on nexusmods.com
 
 === Fixed
 

Cargo.lock

@@ -920,6 +920,7 @@ dependencies = [
  "minijinja",
  "nexusmods",
  "oodle",
+ "open",
  "path-slash",
  "sdk",
  "serde",
@@ -1882,6 +1883,25 @@ version = "2.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f518f335dce6725a761382244631d86cf0ccb2863413590b31338feb467f9c3"
 
+[[package]]
+name = "is-docker"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "928bae27f42bc99b60d9ac7334e3a21d10ad8f1835a4e12ec3ec0464765ed1b3"
+dependencies = [
+ "once_cell",
+]
+
+[[package]]
+name = "is-wsl"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "173609498df190136aa7dea1a91db051746d339e18476eed5ca40521f02d7aa5"
+dependencies = [
+ "is-docker",
+ "once_cell",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.9"
@@ -2340,6 +2360,17 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "open"
+version = "5.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "90878fb664448b54c4e592455ad02831e23a3f7e157374a8b95654731aac7349"
+dependencies = [
+ "is-wsl",
+ "libc",
+ "pathdiff",
+]
+
 [[package]]
 name = "openssl"
 version = "0.10.59"
@@ -2478,6 +2509,12 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e91099d4268b0e11973f036e885d652fb0b21fedcf69738c627f94db6a44f42"
 
+[[package]]
+name = "pathdiff"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8835116a5c179084a830efb3adc117ab007512b535bc1a21c991d3b32a6b44dd"
+
 [[package]]
 name = "pbkdf2"
 version = "0.11.0"

crates/dtmm/Cargo.toml

@@ -24,6 +24,7 @@ luajit2-sys = { path = "../../lib/luajit2-sys", version = "*" }
 minijinja = "1.0.10"
 nexusmods = { path = "../../lib/nexusmods", version = "*" }
 oodle = { path = "../../lib/oodle", version = "*" }
+open = "5.0.1"
 path-slash = "0.2.1"
 sdk = { path = "../../lib/sdk", version = "*" }
 serde = { version = "1.0.152", features = ["derive", "rc"] }

crates/dtmm/src/state/delegate.rs

@@ -61,6 +61,8 @@ pub(crate) type InitialLoadResult = (Config, Vector<Arc<ModInfo>>);
 pub(crate) const ACTION_FINISH_LOAD_INITIAL: Selector<SingleUse<Option<InitialLoadResult>>> =
     Selector::new("dtmm.action.finish-load-initial");
 
+pub(crate) const ACTION_OPEN_LINK: Selector<Arc<String>> = Selector::new("dtmm.action.open-link");
+
 // A sub-selection of `State`'s fields that are required in `AsyncAction`s and that are
 // `Send + Sync`
 pub(crate) struct ActionState {
@@ -438,6 +440,20 @@ impl AppDelegate<State> for Delegate {
 
                 Handled::Yes
             }
+            cmd if cmd.is(ACTION_OPEN_LINK) => {
+                let url = cmd
+                    .get(ACTION_OPEN_LINK)
+                    .expect("command type matched but didn't contain the expected value");
+
+                if let Err(err) = open::that_detached(Arc::as_ref(url)) {
+                    tracing::error!(
+                        "{:?}",
+                        Report::new(err).wrap_err(format!("Failed to open url '{}'", url))
+                    );
+                }
+
+                Handled::Yes
+            }
             _ => Handled::No,
         }
     }

crates/dtmm/src/ui/theme/colors.rs

@@ -17,6 +17,7 @@ macro_rules! make_color {
 }
 
 make_color!(TOP_BAR_BACKGROUND_COLOR, COLOR_BG1);
+make_color!(LINK_COLOR, COLOR_ACCENT);
 
 #[allow(dead_code)]
 pub mod gruvbox_dark {

crates/dtmm/src/ui/window/main.rs

@@ -2,6 +2,7 @@ use std::str::FromStr;
 use std::sync::Arc;
 
 use druid::im::Vector;
+use druid::text::RichTextBuilder;
 use druid::widget::{
     Checkbox, CrossAxisAlignment, Either, Flex, Image, Label, LineBreaking, List,
     MainAxisAlignment, Maybe, Scroll, SizedBox, Split, Svg, SvgData, TextBox, ViewSwitcher,
@@ -16,9 +17,10 @@ use druid_widget_nursery::WidgetExt as _;
 use lazy_static::lazy_static;
 
 use crate::state::{
-    ModInfo, NexusInfo, NexusInfoLens, State, View, ACTION_ADD_MOD, ACTION_SELECTED_MOD_DOWN,
-    ACTION_SELECTED_MOD_UP, ACTION_SELECT_MOD, ACTION_SET_WINDOW_HANDLE, ACTION_START_CHECK_UPDATE,
-    ACTION_START_DELETE_SELECTED_MOD, ACTION_START_DEPLOY, ACTION_START_RESET_DEPLOYMENT,
+    ModInfo, NexusInfo, NexusInfoLens, State, View, ACTION_ADD_MOD, ACTION_OPEN_LINK,
+    ACTION_SELECTED_MOD_DOWN, ACTION_SELECTED_MOD_UP, ACTION_SELECT_MOD, ACTION_SET_WINDOW_HANDLE,
+    ACTION_START_CHECK_UPDATE, ACTION_START_DELETE_SELECTED_MOD, ACTION_START_DEPLOY,
+    ACTION_START_RESET_DEPLOYMENT,
 };
 use crate::ui::theme::{self, ColorExt, COLOR_YELLOW_LIGHT};
 use crate::ui::widget::border::Border;
@@ -345,6 +347,28 @@ fn build_mod_details_info() -> impl Widget<State> {
                 }
             });
 
+            let nexus_link = Maybe::or_empty(|| {
+                let link = Label::raw().lens(NexusInfo::id.map(
+                    |id| {
+                        let url = format!("https://nexusmods.com/warhammer40kdarktide/mods/{}", id);
+                        let mut builder = RichTextBuilder::new();
+                        builder
+                            .push("Open on Nexusmods")
+                            .underline(true)
+                            .text_color(theme::LINK_COLOR)
+                            .link(ACTION_OPEN_LINK.with(Arc::new(url)));
+                        builder.build()
+                    },
+                    |_, _| {},
+                ));
+                Flex::column()
+                    .cross_axis_alignment(CrossAxisAlignment::Start)
+                    .main_axis_alignment(MainAxisAlignment::Start)
+                    .with_child(link)
+                    .with_spacer(4.)
+            })
+            .lens(ModInfo::nexus.in_arc());
+
             let details = Flex::column()
                 .cross_axis_alignment(CrossAxisAlignment::Start)
                 .main_axis_alignment(MainAxisAlignment::Start)
@@ -352,6 +376,7 @@ fn build_mod_details_info() -> impl Widget<State> {
                 .with_spacer(4.)
                 .with_child(summary)
                 .with_spacer(4.)
+                .with_child(nexus_link)
                 .with_child(version_line)
                 .with_spacer(4.)
                 .with_child(categories)