Show parent folder in details, part of #541

src/tab.rs

@@ -909,8 +909,8 @@ impl Location {
         }
     }
 
-    pub fn scan(&self, sizes: IconSizes) -> Vec<Item> {
-        match self {
+    pub fn scan(&self, sizes: IconSizes) -> (Option<Item>, Vec<Item>) {
+        let items = match self {
             Self::Desktop(path, display, desktop_config) => {
                 scan_desktop(path, display, *desktop_config, sizes)
             }
@@ -922,7 +922,19 @@ impl Location {
             Self::Trash => scan_trash(sizes),
             Self::Recents => scan_recents(sizes),
             Self::Network(uri, _) => scan_network(uri, sizes),
-        }
+        };
+        let parent_item_opt = match self.path_opt() {
+            Some(path) => match item_from_path(path, sizes) {
+                Ok(item) => Some(item),
+                Err(err) => {
+                    log::warn!("failed to get item for {:?}: {}", path, err);
+                    None
+                }
+            },
+            //TODO: support other locations?
+            None => None,
+        };
+        (parent_item_opt, items)
     }
 }
 
@@ -1535,6 +1547,7 @@ pub struct Tab {
     pub sort_name: HeadingOptions,
     pub sort_direction: bool,
     pub gallery: bool,
+    pub(crate) parent_item_opt: Option<Item>,
     pub(crate) items_opt: Option<Vec<Item>>,
     pub dnd_hovered: Option<(Location, Instant)>,
     scrollable_id: widget::Id,
@@ -1607,6 +1620,7 @@ impl Tab {
             sort_name: HeadingOptions::Name,
             sort_direction: true,
             gallery: false,
+            parent_item_opt: None,
             items_opt: None,
             scrollable_id: widget::Id::unique(),
             select_focus: None,