Add 'Single click to open' settings toggle

i18n/en/cosmic_files.ftl

@@ -247,6 +247,7 @@ calculating = Calculating...
 
 ## Settings
 settings = Settings
+single-click = Single click to open
 
 ### Appearance
 appearance = Appearance

src/app.rs

@@ -1557,6 +1557,8 @@ impl App {
     }
 
     fn settings(&self) -> Element<Message> {
+        let tab_config = self.config.tab;
+
         // TODO: Should dialog be updated here too?
         widget::settings::view_column(vec![
             widget::settings::section()
@@ -1595,6 +1597,20 @@ impl App {
                     Message::SetTypeToSearch,
                 ))
                 .into(),
+            widget::settings::section()
+                .title(fl!("other"))
+                .add({
+                    widget::settings::item::builder(fl!("single-click")).toggler(
+                        tab_config.single_click,
+                        move |single_click| {
+                            Message::TabConfig(TabConfig {
+                                single_click,
+                                ..tab_config
+                            })
+                        },
+                    )
+                })
+                .into(),
         ])
         .into()
     }

src/config.rs

@@ -209,6 +209,8 @@ pub struct TabConfig {
     /// 24 hour clock; this is neither serialized nor deserialized because we use the user's global
     /// preference rather than save it
     pub military_time: bool,
+    /// Single click to open
+    pub single_click: bool,
 }
 
 impl Default for TabConfig {
@@ -219,6 +221,7 @@ impl Default for TabConfig {
             show_hidden: false,
             icon_sizes: IconSizes::default(),
             military_time: military_time_enabled(),
+            single_click: false,
         }
     }
 }

src/tab.rs

@@ -2478,6 +2478,21 @@ impl Tab {
                     if let Some(ref mut items) = self.items_opt {
                         for (i, item) in items.iter_mut().enumerate() {
                             if Some(i) == click_i_opt {
+                                // Single click to open.
+                                if !mod_ctrl && self.config.single_click {
+                                    if let Some(location) = &item.location_opt {
+                                        if item.metadata.is_dir() {
+                                            cd = Some(location.clone());
+                                        } else if let Some(path) = location.path_opt() {
+                                            commands.push(Command::OpenFile(path.to_path_buf()));
+                                        } else {
+                                            log::warn!("no path for item {:?}", item);
+                                        }
+                                    } else {
+                                        log::warn!("no location for item {:?}", item);
+                                    }
+                                }
+
                                 // Filter out selection if it does not match dialog kind
                                 if let Mode::Dialog(dialog) = &self.mode {
                                     let item_is_dir = item.metadata.is_dir();