feat(ui): make help bar display optional (#35)

.config/config.toml

@@ -23,6 +23,8 @@ use_nerd_font_icons = false
 # │                                       │
 # └───────────────────────────────────────┘
 ui_scale = 80
+# Whether to show the top help bar in the UI
+show_help_bar = true
 
 # Previewers settings
 # ----------------------------------------------------------------------------

Cargo.lock

@@ -2963,7 +2963,7 @@ dependencies = [
 
 [[package]]
 name = "television"
-version = "0.4.22"
+version = "0.4.23"
 dependencies = [
  "anyhow",
  "better-panic",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "television"
-version = "0.4.22"
+version = "0.4.23"
 edition = "2021"
 description = "The revolution will be televised."
 license = "MIT"

crates/television/config/ui.rs

@@ -8,6 +8,7 @@ const DEFAULT_UI_SCALE: u16 = 90;
 pub struct UiConfig {
     pub use_nerd_font_icons: bool,
     pub ui_scale: u16,
+    pub show_help_bar: bool,
 }
 
 impl Default for UiConfig {
@@ -15,6 +16,7 @@ impl Default for UiConfig {
         Self {
             use_nerd_font_icons: false,
             ui_scale: DEFAULT_UI_SCALE,
+            show_help_bar: true,
         }
     }
 }
@@ -30,6 +32,10 @@ impl From<UiConfig> for ValueKind {
             String::from("ui_scale"),
             ValueKind::U64(val.ui_scale.into()).into(),
         );
+        m.insert(
+            String::from("show_help_bar"),
+            ValueKind::Boolean(val.show_help_bar).into(),
+        );
         ValueKind::Table(m)
     }
 }

crates/television/television.rs

@@ -378,6 +378,7 @@ impl Television {
             &Dimensions::from(self.config.ui.ui_scale),
             area,
             !matches!(self.mode, Mode::Channel),
+            self.config.ui.show_help_bar,
         );
 
         // help bar (metadata, keymaps, logo)

crates/television/ui/help.rs

@@ -26,9 +26,11 @@ impl Television {
         f: &mut Frame,
         layout: &Layout,
     ) -> color_eyre::Result<()> {
-        self.draw_metadata_block(f, layout.help_bar_left);
-        self.draw_keymaps_block(f, layout.help_bar_middle)?;
-        draw_logo_block(f, layout.help_bar_right, mode_color(self.mode));
+        if let Some(help_bar) = layout.help_bar {
+            self.draw_metadata_block(f, help_bar.left);
+            self.draw_keymaps_block(f, help_bar.middle)?;
+            draw_logo_block(f, help_bar.right, mode_color(self.mode));
+        }
         Ok(())
     }
 

crates/television/ui/layout.rs

@@ -24,10 +24,25 @@ impl Default for Dimensions {
     }
 }
 
+#[derive(Debug, Clone, Copy)]
+pub struct HelpBarLayout {
+    pub left: Rect,
+    pub middle: Rect,
+    pub right: Rect,
+}
+
+impl HelpBarLayout {
+    pub fn new(left: Rect, middle: Rect, right: Rect) -> Self {
+        Self {
+            left,
+            middle,
+            right,
+        }
+    }
+}
+
 pub struct Layout {
-    pub help_bar_left: Rect,
-    pub help_bar_middle: Rect,
-    pub help_bar_right: Rect,
+    pub help_bar: Option<HelpBarLayout>,
     pub results: Rect,
     pub input: Rect,
     pub preview_title: Rect,
@@ -38,9 +53,7 @@ pub struct Layout {
 impl Layout {
     #[allow(clippy::too_many_arguments)]
     pub fn new(
-        help_bar_left: Rect,
-        help_bar_middle: Rect,
-        help_bar_right: Rect,
+        help_bar: Option<HelpBarLayout>,
         results: Rect,
         input: Rect,
         preview_title: Rect,
@@ -48,9 +61,7 @@ impl Layout {
         remote_control: Option<Rect>,
     ) -> Self {
         Self {
-            help_bar_left,
-            help_bar_middle,
-            help_bar_right,
+            help_bar,
             results,
             input,
             preview_title,
@@ -63,13 +74,19 @@ impl Layout {
         dimensions: &Dimensions,
         area: Rect,
         with_remote: bool,
+        with_help_bar: bool,
     ) -> Self {
         let main_block = centered_rect(dimensions.x, dimensions.y, area);
         // split the main block into two vertical chunks (help bar + rest)
+        let main_rect: Rect;
+        let help_bar_layout: Option<HelpBarLayout>;
+
+        if with_help_bar {
             let hz_chunks = layout::Layout::default()
                 .direction(Direction::Vertical)
                 .constraints([Constraint::Max(9), Constraint::Fill(1)])
                 .split(main_block);
+            main_rect = hz_chunks[1];
 
             // split the help bar into three horizontal chunks (left + center + right)
             let help_bar_chunks = layout::Layout::default()
@@ -84,6 +101,16 @@ impl Layout {
                 ])
                 .split(hz_chunks[0]);
 
+            help_bar_layout = Some(HelpBarLayout {
+                left: help_bar_chunks[0],
+                middle: help_bar_chunks[1],
+                right: help_bar_chunks[2],
+            });
+        } else {
+            main_rect = main_block;
+            help_bar_layout = None;
+        }
+
         // split the main block into two vertical chunks
         let constraints = if with_remote {
             vec![
@@ -97,7 +124,7 @@ impl Layout {
         let vt_chunks = layout::Layout::default()
             .direction(Direction::Horizontal)
             .constraints(constraints)
-            .split(hz_chunks[1]);
+            .split(main_rect);
 
         // left block: results + input field
         let left_chunks = layout::Layout::default()
@@ -112,9 +139,7 @@ impl Layout {
             .split(vt_chunks[1]);
 
         Self::new(
-            help_bar_chunks[0],
-            help_bar_chunks[1],
-            help_bar_chunks[2],
+            help_bar_layout,
             left_chunks[0],
             left_chunks[1],
             right_chunks[0],