feat(ui): global status line option

helix-term/src/ui/editor.rs

@@ -19,7 +19,7 @@ use helix_core::{
 };
 use helix_view::{
     document::{Mode, SCRATCH_BUFFER_NAME},
-    editor::{CompleteAction, CursorShapeConfig},
+    editor::{CompleteAction, CursorShapeConfig, StatusLineRenderValue},
     graphics::{CursorKind, Modifier, Rect, Style},
     input::KeyEvent,
     keyboard::{KeyCode, KeyModifiers},
@@ -154,11 +154,25 @@ impl EditorView {
 
         self.render_diagnostics(doc, view, inner, surface, theme);
 
-        let statusline_area = view
-            .area
-            .clip_top(view.area.height.saturating_sub(1))
-            .clip_bottom(1); // -1 from bottom to remove commandline
-        self.render_statusline(doc, view, statusline_area, surface, theme, is_focused);
+        if editor.config().status_line.render == StatusLineRenderValue::Always {
+            let statusline_area = view
+                .area
+                .clip_top(view.area.height.saturating_sub(1))
+                .clip_bottom(1); // -1 from bottom to remove commandline
+            self.render_statusline(doc, view, statusline_area, surface, theme, is_focused);
+        } else {
+            let area = view
+                .area
+                .clip_top(view.area.height.saturating_sub(1))
+                .clip_bottom(1); // -1 from bottom to remove commandline
+            let y = area.bottom();
+            let border_style = theme.get("ui.window");
+            for x in area.left()..area.right() {
+                surface[(x, y)]
+                    .set_symbol(tui::symbols::line::HORIZONTAL)
+                    .set_style(border_style);
+            }
+        }
     }
 
     pub fn render_rulers(
@@ -1300,6 +1314,17 @@ impl Component for EditorView {
             self.render_view(cx.editor, doc, view, area, surface, is_focused);
         }
 
+        if config.status_line.render == StatusLineRenderValue::Single {
+            let view = cx.editor.tree.get(cx.editor.tree.focus);
+            let doc = cx.editor.document(view.doc).unwrap();
+            let theme = &cx.editor.theme;
+            let statusline_area = area.clip_top(area.height.saturating_sub(2));
+            // all views have border at the bottom, the most-bottom one is not needed
+            // so override the bottom border anddraw the statusline over it
+            surface.clear_with(statusline_area, cx.editor.theme.get("ui.background"));
+            self.render_statusline(doc, view, statusline_area, surface, theme, true);
+        }
+
         if config.auto_info {
             if let Some(mut info) = cx.editor.autoinfo.take() {
                 info.render(area, surface, cx);

helix-view/src/editor.rs

@@ -64,6 +64,32 @@ where
     )
 }
 
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "kebab-case")]
+pub enum StatusLineRenderValue {
+    // Do not render status line at all.
+    Never,
+    // Render status line for every window.
+    Always,
+    // Render single status line at the bottom instead of one for each window.
+    Single,
+}
+
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[serde(rename_all = "kebab-case", default, deny_unknown_fields)]
+pub struct StatusLineConfig {
+    // When/how should the status line be rendered.
+    pub render: StatusLineRenderValue,
+}
+
+impl Default for StatusLineConfig {
+    fn default() -> Self {
+        Self {
+            render: StatusLineRenderValue::Always,
+        }
+    }
+}
+
 #[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
 #[serde(rename_all = "kebab-case", default, deny_unknown_fields)]
 pub struct FilePickerConfig {
@@ -142,6 +168,8 @@ pub struct Config {
     pub file_picker: FilePickerConfig,
     /// Shape for cursor in each mode
     pub cursor_shape: CursorShapeConfig,
+    /// Status line configuration
+    pub status_line: StatusLineConfig,
     /// Set to `true` to override automatic detection of terminal truecolor support in the event of a false negative. Defaults to `false`.
     pub true_color: bool,
     /// Search configuration.
@@ -381,6 +409,7 @@ impl Default for Config {
             completion_trigger_len: 2,
             auto_info: true,
             file_picker: FilePickerConfig::default(),
+            status_line: StatusLineConfig::default(),
             cursor_shape: CursorShapeConfig::default(),
             true_color: false,
             search: SearchConfig::default(),