Implement open in terminal

Cargo.lock

@@ -110,9 +110,9 @@ checksum = "aae1277d39aeec15cb388266ecc24b11c80469deae6067e17a1a7aa9e5c1f234"
 
 [[package]]
 name = "ahash"
-version = "0.8.10"
+version = "0.8.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b79b82693f705137f8fb9b37871d99e4f9a7df12b917eed79c3d3954830a60b"
+checksum = "e89da841a80418a9b391ebaea17f5c112ffaaa96f621d2c285b5174da76b9011"
 dependencies = [
  "cfg-if 1.0.0",
  "getrandom",
@@ -280,9 +280,9 @@ dependencies = [
 
 [[package]]
 name = "arc-swap"
-version = "1.6.0"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bddcadddf5e9015d310179a59bb28c4d4b9920ad0f11e8e14dbadf654890c9a6"
+checksum = "7b3d0060af21e8d11a926981cc00c6c1541aa91dd64b9f881985c3da1094425f"
 
 [[package]]
 name = "arrayref"
@@ -335,6 +335,23 @@ dependencies = [
  "zbus",
 ]
 
+[[package]]
+name = "ashpd"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "01992ad7774250d5b7fe214e2676cb99bf92564436d8135ab44fe815e71769a9"
+dependencies = [
+ "enumflags2",
+ "futures-channel",
+ "futures-util",
+ "rand",
+ "serde",
+ "serde_repr",
+ "tokio",
+ "url",
+ "zbus",
+]
+
 [[package]]
 name = "async-broadcast"
 version = "0.5.1"
@@ -791,10 +808,11 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.88"
+version = "1.0.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02f341c093d19155a6e41631ce5971aac4e9a868262212153124c15fa22d1cdc"
+checksum = "a0ba8f7aaa012f30d5b2861462f6708eccd49c3c39863fe083a308035f63d723"
 dependencies = [
+ "jobserver",
  "libc",
 ]
 
@@ -1012,9 +1030,9 @@ dependencies = [
 
 [[package]]
 name = "const-random"
-version = "0.1.17"
+version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5aaf16c9c2c612020bcfd042e170f6e32de9b9d75adb5277cdbbd2e2c8c8299a"
+checksum = "87e00182fe74b066627d63b85fd550ac2998d4b0bd86bfed477a0ae4c7c71359"
 dependencies = [
  "const-random-macro",
 ]
@@ -1127,7 +1145,7 @@ dependencies = [
 [[package]]
 name = "cosmic-config"
 version = "0.1.0"
-source = "git+https://github.com/pop-os/libcosmic.git#ce45af20f8f1d7c803b20c8af37fdd3adac641e2"
+source = "git+https://github.com/pop-os/libcosmic.git#be00b0ec4beb36e38aedab8ee5fd7976bf5dd141"
 dependencies = [
  "atomicwrites",
  "cosmic-config-derive",
@@ -1144,7 +1162,7 @@ dependencies = [
 [[package]]
 name = "cosmic-config-derive"
 version = "0.1.0"
-source = "git+https://github.com/pop-os/libcosmic.git#ce45af20f8f1d7c803b20c8af37fdd3adac641e2"
+source = "git+https://github.com/pop-os/libcosmic.git#be00b0ec4beb36e38aedab8ee5fd7976bf5dd141"
 dependencies = [
  "quote",
  "syn 1.0.109",
@@ -1164,6 +1182,7 @@ dependencies = [
  "i18n-embed-fl",
  "image 0.24.9",
  "lexical-sort",
+ "libc",
  "libcosmic",
  "log",
  "mime_guess",
@@ -1173,6 +1192,7 @@ dependencies = [
  "paste",
  "rust-embed",
  "serde",
+ "shlex",
  "smol_str",
  "systemicons",
  "tempfile",
@@ -1186,7 +1206,7 @@ dependencies = [
 [[package]]
 name = "cosmic-text"
 version = "0.11.2"
-source = "git+https://github.com/pop-os/cosmic-text.git#22e61965aa38ab0bd64bbdddf3848ae891edceba"
+source = "git+https://github.com/pop-os/cosmic-text.git#a53a0b3a8c085143470a9d26ac2c2911cc479033"
 dependencies = [
  "bitflags 2.4.2",
  "fontdb",
@@ -1208,7 +1228,7 @@ dependencies = [
 [[package]]
 name = "cosmic-theme"
 version = "0.1.0"
-source = "git+https://github.com/pop-os/libcosmic.git#ce45af20f8f1d7c803b20c8af37fdd3adac641e2"
+source = "git+https://github.com/pop-os/libcosmic.git#be00b0ec4beb36e38aedab8ee5fd7976bf5dd141"
 dependencies = [
  "almost",
  "cosmic-config",
@@ -2662,7 +2682,7 @@ dependencies = [
 [[package]]
 name = "iced"
 version = "0.12.0"
-source = "git+https://github.com/pop-os/libcosmic.git#ce45af20f8f1d7c803b20c8af37fdd3adac641e2"
+source = "git+https://github.com/pop-os/libcosmic.git#be00b0ec4beb36e38aedab8ee5fd7976bf5dd141"
 dependencies = [
  "iced_accessibility",
  "iced_core",
@@ -2677,7 +2697,7 @@ dependencies = [
 [[package]]
 name = "iced_accessibility"
 version = "0.1.0"
-source = "git+https://github.com/pop-os/libcosmic.git#ce45af20f8f1d7c803b20c8af37fdd3adac641e2"
+source = "git+https://github.com/pop-os/libcosmic.git#be00b0ec4beb36e38aedab8ee5fd7976bf5dd141"
 dependencies = [
  "accesskit",
  "accesskit_winit",
@@ -2686,7 +2706,7 @@ dependencies = [
 [[package]]
 name = "iced_core"
 version = "0.12.0"
-source = "git+https://github.com/pop-os/libcosmic.git#ce45af20f8f1d7c803b20c8af37fdd3adac641e2"
+source = "git+https://github.com/pop-os/libcosmic.git#be00b0ec4beb36e38aedab8ee5fd7976bf5dd141"
 dependencies = [
  "bitflags 1.3.2",
  "log",
@@ -2703,7 +2723,7 @@ dependencies = [
 [[package]]
 name = "iced_futures"
 version = "0.12.0"
-source = "git+https://github.com/pop-os/libcosmic.git#ce45af20f8f1d7c803b20c8af37fdd3adac641e2"
+source = "git+https://github.com/pop-os/libcosmic.git#be00b0ec4beb36e38aedab8ee5fd7976bf5dd141"
 dependencies = [
  "futures",
  "iced_core",
@@ -2716,7 +2736,7 @@ dependencies = [
 [[package]]
 name = "iced_graphics"
 version = "0.12.0"
-source = "git+https://github.com/pop-os/libcosmic.git#ce45af20f8f1d7c803b20c8af37fdd3adac641e2"
+source = "git+https://github.com/pop-os/libcosmic.git#be00b0ec4beb36e38aedab8ee5fd7976bf5dd141"
 dependencies = [
  "bitflags 1.3.2",
  "bytemuck",
@@ -2740,7 +2760,7 @@ dependencies = [
 [[package]]
 name = "iced_renderer"
 version = "0.12.0"
-source = "git+https://github.com/pop-os/libcosmic.git#ce45af20f8f1d7c803b20c8af37fdd3adac641e2"
+source = "git+https://github.com/pop-os/libcosmic.git#be00b0ec4beb36e38aedab8ee5fd7976bf5dd141"
 dependencies = [
  "iced_graphics",
  "iced_tiny_skia",
@@ -2752,7 +2772,7 @@ dependencies = [
 [[package]]
 name = "iced_runtime"
 version = "0.12.0"
-source = "git+https://github.com/pop-os/libcosmic.git#ce45af20f8f1d7c803b20c8af37fdd3adac641e2"
+source = "git+https://github.com/pop-os/libcosmic.git#be00b0ec4beb36e38aedab8ee5fd7976bf5dd141"
 dependencies = [
  "iced_core",
  "iced_futures",
@@ -2762,7 +2782,7 @@ dependencies = [
 [[package]]
 name = "iced_style"
 version = "0.12.0"
-source = "git+https://github.com/pop-os/libcosmic.git#ce45af20f8f1d7c803b20c8af37fdd3adac641e2"
+source = "git+https://github.com/pop-os/libcosmic.git#be00b0ec4beb36e38aedab8ee5fd7976bf5dd141"
 dependencies = [
  "iced_core",
  "once_cell",
@@ -2772,7 +2792,7 @@ dependencies = [
 [[package]]
 name = "iced_tiny_skia"
 version = "0.12.0"
-source = "git+https://github.com/pop-os/libcosmic.git#ce45af20f8f1d7c803b20c8af37fdd3adac641e2"
+source = "git+https://github.com/pop-os/libcosmic.git#be00b0ec4beb36e38aedab8ee5fd7976bf5dd141"
 dependencies = [
  "bytemuck",
  "cosmic-text",
@@ -2789,7 +2809,7 @@ dependencies = [
 [[package]]
 name = "iced_wgpu"
 version = "0.12.0"
-source = "git+https://github.com/pop-os/libcosmic.git#ce45af20f8f1d7c803b20c8af37fdd3adac641e2"
+source = "git+https://github.com/pop-os/libcosmic.git#be00b0ec4beb36e38aedab8ee5fd7976bf5dd141"
 dependencies = [
  "bitflags 1.3.2",
  "bytemuck",
@@ -2808,7 +2828,7 @@ dependencies = [
 [[package]]
 name = "iced_widget"
 version = "0.12.0"
-source = "git+https://github.com/pop-os/libcosmic.git#ce45af20f8f1d7c803b20c8af37fdd3adac641e2"
+source = "git+https://github.com/pop-os/libcosmic.git#be00b0ec4beb36e38aedab8ee5fd7976bf5dd141"
 dependencies = [
  "iced_renderer",
  "iced_runtime",
@@ -2822,7 +2842,7 @@ dependencies = [
 [[package]]
 name = "iced_winit"
 version = "0.12.0"
-source = "git+https://github.com/pop-os/libcosmic.git#ce45af20f8f1d7c803b20c8af37fdd3adac641e2"
+source = "git+https://github.com/pop-os/libcosmic.git#be00b0ec4beb36e38aedab8ee5fd7976bf5dd141"
 dependencies = [
  "iced_graphics",
  "iced_runtime",
@@ -3032,6 +3052,15 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8eaf4bc02d17cbdd7ff4c7438cafcdf7fb9a4613313ad11b4f8fefe7d3fa0130"
 
+[[package]]
+name = "jobserver"
+version = "0.1.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab46a6e9526ddef3ae7f787c06f0f2600639ba80ea3eade3d8e670a2230f51d6"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "jpeg-decoder"
 version = "0.1.22"
@@ -3166,10 +3195,10 @@ checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
 [[package]]
 name = "libcosmic"
 version = "0.1.0"
-source = "git+https://github.com/pop-os/libcosmic.git#ce45af20f8f1d7c803b20c8af37fdd3adac641e2"
+source = "git+https://github.com/pop-os/libcosmic.git#be00b0ec4beb36e38aedab8ee5fd7976bf5dd141"
 dependencies = [
  "apply",
- "ashpd",
+ "ashpd 0.7.0",
  "cosmic-config",
  "cosmic-theme",
  "css-color",
@@ -3977,9 +4006,9 @@ checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
 [[package]]
 name = "open"
-version = "5.1.0"
+version = "5.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f2588edf622de56e7a1fed57bf203344f63c03f3d43472ba0434a92373c8f27"
+checksum = "68b3fbb0d52bf0cbb5225ba3d2c303aa136031d43abff98284332a9981ecddec"
 dependencies = [
  "is-wsl",
  "libc",
@@ -4581,9 +4610,9 @@ dependencies = [
 
 [[package]]
 name = "regex-automata"
-version = "0.4.5"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5bb987efffd3c6d0d8f5f89510bb458559eab11e4f869acb20bf845e016259cd"
+checksum = "86b83b8b9847f9bf95ef68afb0b8e6cdb80f498442f5179a29fad448fcc1eaea"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -4598,9 +4627,9 @@ checksum = "c08c74e62047bb2de4ff487b251e4a92e24f48745648451635cec7d591162d9f"
 
 [[package]]
 name = "renderdoc-sys"
-version = "1.0.0"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "216080ab382b992234dda86873c18d4c48358f5cfcb70fd693d7f6f2131b628b"
+checksum = "19b30a45b0cd0bcca8037f3d0dc3421eaf95327a17cad11964fb8179b4fc4832"
 
 [[package]]
 name = "resvg"
@@ -4625,7 +4654,7 @@ version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c0d8ab342bcc5436e04d3a4c1e09e17d74958bfaddf8d5fad6f85607df0f994f"
 dependencies = [
- "ashpd",
+ "ashpd 0.6.8",
  "block",
  "dispatch",
  "glib-sys",

Cargo.toml

@@ -18,11 +18,13 @@ image = "0.24"
 once_cell = "1.19"
 open = "5.0.2"
 lexical-sort = "0.3.1"
+libc = "0.2"
 log = "0.4"
 mime_guess = "2"
 notify = "6"
 paste = "1.0"
 serde = { version = "1", features = ["serde_derive"] }
+shlex = { version = "1.3" }
 tokio = { version = "1" }
 trash = "3.2.0"
 xdg = { version = "2.5.2", optional = true }

i18n/en/cosmic_files.ftl

@@ -72,6 +72,7 @@ light = Light
 new-file = New file
 new-folder = New folder
 open-with = Open with
+open-in-terminal = Open in terminal
 move-to-trash = Move to trash
 restore-from-trash = Restore from trash
 

src/app.rs

@@ -13,7 +13,10 @@ use cosmic::{
         window, Alignment, Event, Length,
     },
     style, theme,
-    widget::{self, segmented_button},
+    widget::{
+        self,
+        segmented_button::{self, Entity},
+    },
     Application, ApplicationExt, Element,
 };
 use notify::Watcher;
@@ -30,8 +33,9 @@ use crate::{
     config::{AppTheme, Config, IconSizes, TabConfig, CONFIG_VERSION},
     fl, home_dir,
     key_bind::{key_binds, KeyBind},
-    menu,
+    menu, mime_app,
     operation::Operation,
+    spawn_detached::spawn_detached,
     tab::{self, ItemMetadata, Location, Tab},
 };
 
@@ -58,6 +62,7 @@ pub enum Action {
     NewFile,
     NewFolder,
     Open,
+    OpenTerminal,
     OpenWith,
     Operations,
     Paste,
@@ -78,7 +83,7 @@ pub enum Action {
 }
 
 impl Action {
-    pub fn message(self, entity_opt: Option<segmented_button::Entity>) -> Message {
+    pub fn message(self, entity_opt: Option<Entity>) -> Message {
         match self {
             Action::About => Message::ToggleContextPage(ContextPage::About),
             Action::Copy => Message::Copy(entity_opt),
@@ -95,6 +100,7 @@ impl Action {
             Action::NewFile => Message::NewItem(entity_opt, false),
             Action::NewFolder => Message::NewItem(entity_opt, true),
             Action::Open => Message::TabMessage(entity_opt, tab::Message::Open),
+            Action::OpenTerminal => Message::OpenTerminal(entity_opt),
             Action::OpenWith => Message::ToggleContextPage(ContextPage::OpenWith),
             Action::Operations => Message::ToggleContextPage(ContextPage::Operations),
             Action::Paste => Message::Paste(entity_opt),
@@ -125,34 +131,35 @@ impl Action {
 pub enum Message {
     AppTheme(AppTheme),
     Config(Config),
-    Copy(Option<segmented_button::Entity>),
+    Copy(Option<Entity>),
-    Cut(Option<segmented_button::Entity>),
+    Cut(Option<Entity>),
     DialogCancel,
     DialogComplete,
     DialogUpdate(DialogPage),
-    EditLocation(Option<segmented_button::Entity>),
+    EditLocation(Option<Entity>),
     Key(Modifiers, Key),
     LaunchUrl(String),
     Modifiers(Modifiers),
-    MoveToTrash(Option<segmented_button::Entity>),
+    MoveToTrash(Option<Entity>),
-    NewItem(Option<segmented_button::Entity>, bool),
+    NewItem(Option<Entity>, bool),
     NotifyEvent(notify::Event),
     NotifyWatcher(WatcherWrapper),
-    Paste(Option<segmented_button::Entity>),
+    OpenTerminal(Option<Entity>),
+    Paste(Option<Entity>),
     PendingComplete(u64),
     PendingError(u64, String),
     PendingProgress(u64, f32),
-    Rename(Option<segmented_button::Entity>),
+    Rename(Option<Entity>),
-    RestoreFromTrash(Option<segmented_button::Entity>),
+    RestoreFromTrash(Option<Entity>),
     SystemThemeModeChange(cosmic_theme::ThemeMode),
-    TabActivate(segmented_button::Entity),
+    TabActivate(Entity),
     TabNext,
     TabPrev,
-    TabClose(Option<segmented_button::Entity>),
+    TabClose(Option<Entity>),
     TabConfig(TabConfig),
-    TabMessage(Option<segmented_button::Entity>, tab::Message),
+    TabMessage(Option<Entity>, tab::Message),
     TabNew,
-    TabRescan(segmented_button::Entity, Vec<tab::Item>),
+    TabRescan(Entity, Vec<tab::Item>),
     ToggleContextPage(ContextPage),
     WindowClose,
     WindowNew,
@@ -256,11 +263,7 @@ impl App {
         self.pending_operations.insert(id, (operation, 0.0));
     }
 
-    fn rescan_tab(
+    fn rescan_tab(&mut self, entity: Entity, location: Location) -> Command<Message> {
-        &mut self,
-        entity: segmented_button::Entity,
-        location: Location,
-    ) -> Command<Message> {
         let icon_sizes = self.config.tab.icon_sizes;
         Command::perform(
             async move {
@@ -643,7 +646,7 @@ impl Application for App {
         Some(&self.nav_model)
     }
 
-    fn on_nav_select(&mut self, entity: segmented_button::Entity) -> Command<Self::Message> {
+    fn on_nav_select(&mut self, entity: Entity) -> Command<Self::Message> {
         let location_opt = self.nav_model.data::<Location>(entity).clone();
 
         if let Some(location) = location_opt {
@@ -864,6 +867,44 @@ impl Application for App {
                     log::warn!("message did not contain notify watcher");
                 }
             },
+            Message::OpenTerminal(entity_opt) => {
+                if let Some(terminal) = mime_app::terminal() {
+                    let mut paths = Vec::new();
+                    let entity = entity_opt.unwrap_or_else(|| self.tab_model.active());
+                    if let Some(tab) = self.tab_model.data_mut::<Tab>(entity) {
+                        if let Location::Path(path) = &tab.location {
+                            if let Some(items) = tab.items_opt() {
+                                for item in items.iter() {
+                                    if item.selected {
+                                        paths.push(item.path.clone());
+                                    }
+                                }
+                            }
+                            if paths.is_empty() {
+                                paths.push(path.clone());
+                            }
+                        }
+                    }
+                    for path in paths {
+                        if let Some(mut command) = terminal.command(None) {
+                            command.current_dir(&path);
+                            match spawn_detached(&mut command) {
+                                Ok(()) => {}
+                                Err(err) => {
+                                    log::warn!(
+                                        "failed to launch terminal {:?} in {:?}: {}",
+                                        terminal.id,
+                                        path,
+                                        err
+                                    )
+                                }
+                            }
+                        } else {
+                            log::warn!("failed to get command for {:?}", terminal.id);
+                        }
+                    }
+                }
+            }
             Message::Paste(_entity_opt) => {
                 log::warn!("TODO: PASTE");
             }

src/lib.rs

@@ -20,6 +20,7 @@ mod mime_app;
 mod mime_icon;
 mod mouse_area;
 mod operation;
+mod spawn_detached;
 mod tab;
 
 pub fn home_dir() -> PathBuf {

src/menu.rs

@@ -57,9 +57,18 @@ pub fn context_menu<'a>(
         .on_press(tab::Message::ContextAction(action))
     };
 
-    let selected = tab
+    let mut selected_dir = 0;
-        .items_opt()
+    let mut selected = 0;
-        .map_or(0, |items| items.iter().filter(|x| x.selected).count());
+    tab.items_opt().map(|items| {
+        for item in items.iter() {
+            if item.selected {
+                selected += 1;
+                if item.metadata.is_dir() {
+                    selected_dir += 1;
+                }
+            }
+        }
+    });
 
     let mut children: Vec<Element<_>> = Vec::new();
     match tab.location {
@@ -68,6 +77,10 @@ pub fn context_menu<'a>(
                 children.push(menu_item(fl!("open"), Action::Open).into());
                 if selected == 1 {
                     children.push(menu_item(fl!("open-with"), Action::OpenWith).into());
+                    if selected_dir == 1 {
+                        children
+                            .push(menu_item(fl!("open-in-terminal"), Action::OpenTerminal).into());
+                    }
                 }
                 children.push(horizontal_rule(1).into());
                 children.push(menu_item(fl!("rename"), Action::Rename).into());
@@ -85,6 +98,7 @@ pub fn context_menu<'a>(
                 //TODO: have things like properties but they apply to the folder?
                 children.push(menu_item(fl!("new-file"), Action::NewFile).into());
                 children.push(menu_item(fl!("new-folder"), Action::NewFolder).into());
+                children.push(menu_item(fl!("open-in-terminal"), Action::OpenTerminal).into());
                 children.push(horizontal_rule(1).into());
                 children.push(menu_item(fl!("select-all"), Action::SelectAll).into());
                 children.push(menu_item(fl!("paste"), Action::Paste).into());

src/mime_app.rs

@@ -6,7 +6,7 @@ use cosmic::desktop;
 use cosmic::widget;
 pub use mime_guess::Mime;
 use once_cell::sync::Lazy;
-use std::{collections::HashMap, path::PathBuf, sync::Mutex, time::Instant};
+use std::{collections::HashMap, path::PathBuf, process, sync::Mutex, time::Instant};
 
 #[derive(Clone, Debug)]
 pub struct MimeApp {
@@ -18,6 +18,33 @@ pub struct MimeApp {
     pub is_default: bool,
 }
 
+impl MimeApp {
+    //TODO: move to libcosmic, support multiple files
+    pub fn command(&self, path_opt: Option<PathBuf>) -> Option<process::Command> {
+        let args_vec: Vec<String> = self.exec.as_deref().and_then(shlex::split)?;
+        let mut args = args_vec.iter();
+        let mut command = process::Command::new(args.next()?);
+        for arg in args {
+            if arg.starts_with('%') {
+                match arg.as_str() {
+                    "%f" | "%F" | "%u" | "%U" => {
+                        if let Some(path) = &path_opt {
+                            command.arg(path);
+                        }
+                    }
+                    _ => {
+                        log::warn!("unsupported Exec code {:?} in {:?}", arg, self.id);
+                        return None;
+                    }
+                }
+            } else {
+                command.arg(arg);
+            }
+        }
+        Some(command)
+    }
+}
+
 #[cfg(feature = "desktop")]
 impl From<&desktop::DesktopEntryData> for MimeApp {
     fn from(app: &desktop::DesktopEntryData) -> Self {
@@ -46,12 +73,14 @@ fn filename_eq(path_opt: &Option<PathBuf>, filename: &str) -> bool {
 
 pub struct MimeAppCache {
     cache: HashMap<Mime, Vec<MimeApp>>,
+    terminals: Vec<MimeApp>,
 }
 
 impl MimeAppCache {
     pub fn new() -> Self {
         let mut mime_app_cache = Self {
             cache: HashMap::new(),
+            terminals: Vec::new(),
         };
         mime_app_cache.reload();
         mime_app_cache
@@ -66,6 +95,7 @@ impl MimeAppCache {
         let start = Instant::now();
 
         self.cache.clear();
+        self.terminals.clear();
 
         //TODO: get proper locale?
         let locale = None;
@@ -83,6 +113,12 @@ impl MimeAppCache {
                     apps.push(MimeApp::from(app));
                 }
             }
+            for category in app.categories.iter() {
+                if category == "TerminalEmulator" {
+                    self.terminals.push(MimeApp::from(app));
+                    break;
+                }
+            }
         }
 
         // Load mimeapps.list files
@@ -202,3 +238,22 @@ pub fn mime_apps(mime: &Mime) -> Vec<MimeApp> {
     let mime_app_cache = MIME_APP_CACHE.lock().unwrap();
     mime_app_cache.get(mime)
 }
+
+pub fn terminal() -> Option<MimeApp> {
+    let mime_app_cache = MIME_APP_CACHE.lock().unwrap();
+
+    //TODO: consider rules in https://github.com/Vladimir-csp/xdg-terminal-exec
+
+    // Look for and return preferred terminals
+    //TODO: fallback order beyond cosmic-term?
+    for id in &["com.system76.CosmicTerm"] {
+        for terminal in mime_app_cache.terminals.iter() {
+            if &terminal.id == id {
+                return Some(terminal.clone());
+            }
+        }
+    }
+
+    // Return whatever was the first terminal found
+    mime_app_cache.terminals.first().map(|x| x.clone())
+}

src/spawn_detached.rs

@@ -0,0 +1,37 @@
+use std::{io, process};
+
+// This code is from the open crate and retains its MIT license.
+pub fn spawn_detached(command: &mut process::Command) -> io::Result<()> {
+    command
+        .stdin(process::Stdio::null())
+        .stdout(process::Stdio::null())
+        .stderr(process::Stdio::null());
+
+    #[cfg(unix)]
+    unsafe {
+        use std::os::unix::process::CommandExt as _;
+
+        command.pre_exec(move || {
+            match libc::fork() {
+                -1 => return Err(io::Error::last_os_error()),
+                0 => (),
+                _ => libc::_exit(0),
+            }
+
+            if libc::setsid() == -1 {
+                return Err(io::Error::last_os_error());
+            }
+
+            Ok(())
+        });
+    }
+    #[cfg(windows)]
+    {
+        use std::os::windows::process::CommandExt;
+        const CREATE_NEW_PROCESS_GROUP: u32 = 0x00000200;
+        const CREATE_NO_WINDOW: u32 = 0x08000000;
+        command.creation_flags(CREATE_NEW_PROCESS_GROUP | CREATE_NO_WINDOW);
+    }
+
+    command.spawn().map(|_| ())
+}