Current working directory status (#10998)

Co-authored-by: mfirhas <mfathirirhas@gmail.com>

book/src/editor.md

@@ -132,6 +132,7 @@ The following statusline elements can be configured:
 | `file-name` | The path/name of the opened file |
 | `file-absolute-path` | The absolute path/name of the opened file |
 | `file-base-name` | The basename of the opened file |
+| `current-working-directory` | The current working directory  |
 | `file-modification-indicator` | The indicator to show whether the file is modified (a `[+]` appears when there are unsaved changes) |
 | `file-encoding` | The encoding of the opened file if it differs from UTF-8 |
 | `file-line-ending` | The file line endings (CRLF or LF) |

helix-term/src/ui/statusline.rs

@@ -158,6 +158,7 @@ where
         helix_view::editor::StatusLineElement::Spacer => render_spacer,
         helix_view::editor::StatusLineElement::VersionControl => render_version_control,
         helix_view::editor::StatusLineElement::Register => render_register,
+        helix_view::editor::StatusLineElement::CurrentWorkingDirectory => render_cwd,
     }
 }
 
@@ -573,3 +574,16 @@ where
         },
     );
 }
+
+fn render_cwd<'a, F>(context: &mut RenderContext<'a>, write: F)
+where
+    F: Fn(&mut RenderContext<'a>, Span<'a>) + Copy,
+{
+    let cwd = helix_stdx::env::current_working_dir();
+    let cwd = cwd
+        .file_name()
+        .unwrap_or_default()
+        .to_string_lossy()
+        .to_string();
+    write(context, cwd.into())
+}

helix-view/src/editor.rs

@@ -628,6 +628,9 @@ pub enum StatusLineElement {
 
     /// Indicator for selected register
     Register,
+
+    /// The base of current working directory
+    CurrentWorkingDirectory,
 }
 
 // Cursor shape is read and used on every rendered frame and so needs