Add desktop context menu items, part of #547

i18n/en/cosmic_files.ftl

@@ -203,6 +203,11 @@ sort-by-modified = Sort by modified
 sort-by-size = Sort by size
 sort-by-trashed = Sort by delete time
 
+## Desktop
+change-wallpaper = Change wallpaper...
+desktop-appearance = Desktop appearance...
+display-settings = Display settings...
+
 # Menu
 
 ## File

src/app.rs

@@ -93,6 +93,9 @@ pub enum Action {
     Compress,
     Copy,
     Cut,
+    CosmicSettingsAppearance,
+    CosmicSettingsDisplays,
+    CosmicSettingsWallpaper,
     EditHistory,
     EditLocation,
     ExtractHere,
@@ -146,6 +149,9 @@ impl Action {
             Action::Compress => Message::Compress(entity_opt),
             Action::Copy => Message::Copy(entity_opt),
             Action::Cut => Message::Cut(entity_opt),
+            Action::CosmicSettingsAppearance => Message::CosmicSettings("appearance"),
+            Action::CosmicSettingsDisplays => Message::CosmicSettings("displays"),
+            Action::CosmicSettingsWallpaper => Message::CosmicSettings("wallpaper"),
             Action::EditHistory => Message::ToggleContextPage(ContextPage::EditHistory),
             Action::EditLocation => {
                 Message::TabMessage(entity_opt, tab::Message::EditLocationToggle)
@@ -253,6 +259,7 @@ pub enum Message {
     Compress(Option<Entity>),
     Config(Config),
     Copy(Option<Entity>),
+    CosmicSettings(&'static str),
     Cut(Option<Entity>),
     DialogCancel,
     DialogComplete,
@@ -1390,6 +1397,17 @@ impl Application for App {
             Message::CloseToast(id) => {
                 self.toasts.remove(id);
             }
+            Message::CosmicSettings(arg) => {
+                //TODO: use special settings URL scheme instead?
+                let mut command = process::Command::new("cosmic-settings");
+                command.arg(arg);
+                match spawn_detached(&mut command) {
+                    Ok(()) => {}
+                    Err(err) => {
+                        log::warn!("failed to run cosmic-settings {}: {}", arg, err)
+                    }
+                }
+            }
             Message::DialogCancel => {
                 self.dialog_pages.pop_front();
             }

src/menu.rs

@@ -168,6 +168,22 @@ pub fn context_menu<'a>(
                     children.push(menu_item(fl!("select-all"), Action::SelectAll).into());
                 }
                 children.push(menu_item(fl!("paste"), Action::Paste).into());
+
+                //TODO: only show if cosmic-settings is found?
+                if matches!(tab.mode, tab::Mode::Desktop) {
+                    children.push(divider::horizontal::light().into());
+                    children.push(
+                        menu_item(fl!("change-wallpaper"), Action::CosmicSettingsWallpaper).into(),
+                    );
+                    children.push(
+                        menu_item(fl!("desktop-appearance"), Action::CosmicSettingsAppearance)
+                            .into(),
+                    );
+                    children.push(
+                        menu_item(fl!("display-settings"), Action::CosmicSettingsDisplays).into(),
+                    );
+                }
+
                 children.push(divider::horizontal::light().into());
                 // TODO: Nested menu
                 children.push(sort_item(fl!("sort-by-name"), HeadingOptions::Name));