From 08e7e01d0ec933d9e9d901774d94d0fbcb421111 Mon Sep 17 00:00:00 2001
From: Julian Orth <ju.orth@gmail.com>
Date: Thu, 17 Jul 2025 22:31:16 +0200
Subject: [PATCH] config: allow disabling the built-in bar

---
 jay-config/src/_private/client.rs        | 10 +++++++
 jay-config/src/_private/ipc.rs           |  7 +++++
 jay-config/src/lib.rs                    | 18 +++++++++++++
 src/compositor.rs                        |  1 +
 src/config/handler.rs                    | 15 +++++++++++
 src/renderer.rs                          |  7 ++---
 src/state.rs                             |  4 +++
 src/tree/container.rs                    | 13 ++++++++--
 src/tree/output.rs                       | 33 ++++++++++++++++++++----
 toml-config/src/config.rs                |  3 +++
 toml-config/src/config/parsers/action.rs |  3 +++
 toml-config/src/config/parsers/config.rs |  3 +++
 toml-config/src/lib.rs                   | 11 +++++---
 toml-spec/spec/spec.generated.json       |  9 ++++++-
 toml-spec/spec/spec.generated.md         | 20 ++++++++++++++
 toml-spec/spec/spec.yaml                 | 13 ++++++++++
 16 files changed, 156 insertions(+), 14 deletions(-)

diff --git a/jay-config/src/_private/client.rs b/jay-config/src/_private/client.rs
index 2a3c0710..218fe46f 100644
--- a/jay-config/src/_private/client.rs
+++ b/jay-config/src/_private/client.rs
@@ -950,6 +950,16 @@ impl ConfigClient {
         above
     }
 
+    pub fn set_show_bar(&self, show: bool) {
+        self.send(&ClientMessage::SetShowBar { show });
+    }
+
+    pub fn get_show_bar(&self) -> bool {
+        let res = self.send_with_response(&ClientMessage::GetShowBar);
+        get_response!(res, true, GetShowBar { show });
+        show
+    }
+
     pub fn set_show_float_pin_icon(&self, show: bool) {
         self.send(&ClientMessage::SetShowFloatPinIcon { show });
     }
diff --git a/jay-config/src/_private/ipc.rs b/jay-config/src/_private/ipc.rs
index 2e5d5bf2..9ca66f39 100644
--- a/jay-config/src/_private/ipc.rs
+++ b/jay-config/src/_private/ipc.rs
@@ -721,6 +721,10 @@ pub enum ClientMessage<'a> {
     GetContentType {
         window: Window,
     },
+    SetShowBar {
+        show: bool,
+    },
+    GetShowBar,
 }
 
 #[derive(Serialize, Deserialize, Debug)]
@@ -950,6 +954,9 @@ pub enum Response {
     GetContentType {
         kind: ContentType,
     },
+    GetShowBar {
+        show: bool,
+    },
 }
 
 #[derive(Serialize, Deserialize, Debug)]
diff --git a/jay-config/src/lib.rs b/jay-config/src/lib.rs
index 39b6f6cc..15926459 100644
--- a/jay-config/src/lib.rs
+++ b/jay-config/src/lib.rs
@@ -316,6 +316,24 @@ pub fn set_show_float_pin_icon(show: bool) {
     get!().set_show_float_pin_icon(show);
 }
 
+/// Sets whether the built-in bar is shown.
+///
+/// The default is `true`.
+pub fn set_show_bar(show: bool) {
+    get!().set_show_bar(show)
+}
+
+/// Returns whether the built-in bar is shown.
+pub fn get_show_bar() -> bool {
+    get!(true).get_show_bar()
+}
+
+/// Toggles whether the built-in bar is shown.
+pub fn toggle_show_bar() {
+    let get = get!();
+    get.set_show_bar(!get.get_show_bar());
+}
+
 /// Sets a callback to run when this config is unloaded.
 ///
 /// Only one callback can be set at a time. If another callback is already set, it will be
diff --git a/src/compositor.rs b/src/compositor.rs
index 7dda9add..609dc995 100644
--- a/src/compositor.rs
+++ b/src/compositor.rs
@@ -351,6 +351,7 @@ fn start_compositor2(
         head_names: Default::default(),
         head_managers: Default::default(),
         head_managers_async: Default::default(),
+        show_bar: Cell::new(true),
     });
     state.tracker.register(ClientId::from_raw(0));
     create_dummy_output(&state);
diff --git a/src/config/handler.rs b/src/config/handler.rs
index 0f34717c..63bd8ce7 100644
--- a/src/config/handler.rs
+++ b/src/config/handler.rs
@@ -1330,6 +1330,19 @@ impl ConfigProxyHandler {
         });
     }
 
+    fn handle_set_show_bar(&self, show: bool) {
+        self.state.show_bar.set(show);
+        for output in self.state.root.outputs.lock().values() {
+            output.on_spaces_changed();
+        }
+    }
+
+    fn handle_get_show_bar(&self) {
+        self.respond(Response::GetShowBar {
+            show: self.state.show_bar.get(),
+        });
+    }
+
     fn handle_set_show_float_pin_icon(&self, show: bool) {
         self.state.show_pin_icon.set(show);
         for stacked in self.state.root.stacked.iter() {
@@ -2982,6 +2995,8 @@ impl ConfigProxyHandler {
             ClientMessage::GetContentType { window } => self
                 .handle_get_content_type(window)
                 .wrn("get_content_type")?,
+            ClientMessage::SetShowBar { show } => self.handle_set_show_bar(show),
+            ClientMessage::GetShowBar => self.handle_get_show_bar(),
         }
         Ok(())
     }
diff --git a/src/renderer.rs b/src/renderer.rs
index bcd1dde3..a36f28c0 100644
--- a/src/renderer.rs
+++ b/src/renderer.rs
@@ -87,8 +87,8 @@ impl Renderer<'_> {
             render_layer!(output.layers[0]);
             render_layer!(output.layers[1]);
             let non_exclusive_rect = output.non_exclusive_rect_rel.get();
-            let (x, y) = non_exclusive_rect.translate_inv(x, y);
-            {
+            let (x, mut y) = non_exclusive_rect.translate_inv(x, y);
+            if self.state.show_bar.get() {
                 let bar_bg = Rect::new_sized(0, 0, non_exclusive_rect.width(), th).unwrap();
                 let bar_bg = self.base.scale_rect(bar_bg);
                 let bar_bg_abs = {
@@ -166,9 +166,10 @@ impl Renderer<'_> {
                         self.render_surface(&data.surface, rect.x1(), rect.y1(), Some(&bounds));
                     }
                 }
+                y += th + 1;
             }
             if let Some(ws) = output.workspace.get() {
-                self.render_workspace(&ws, x, y + th + 1);
+                self.render_workspace(&ws, x, y);
             }
         }
         macro_rules! render_stacked {
diff --git a/src/state.rs b/src/state.rs
index 47747cf7..1fb6235c 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -271,6 +271,7 @@ pub struct State {
     pub head_managers:
         CopyHashMap<(ClientId, JayHeadManagerSessionV1Id), Rc<JayHeadManagerSessionV1>>,
     pub head_managers_async: AsyncQueue<HeadManagerEvent>,
+    pub show_bar: Cell<bool>,
 }
 
 // impl Drop for State {
@@ -1474,6 +1475,9 @@ impl State {
     }
 
     pub fn tray_icon_size(&self) -> i32 {
+        if !self.show_bar.get() {
+            return 0;
+        }
         (self.theme.sizes.title_height.get() - 2).max(0)
     }
 
diff --git a/src/tree/container.rs b/src/tree/container.rs
index dc774b31..b867d928 100644
--- a/src/tree/container.rs
+++ b/src/tree/container.rs
@@ -814,8 +814,13 @@ impl ContainerNode {
         let abs_y = self.abs_y1.get();
         for (i, child) in self.children.iter().enumerate() {
             let rect = child.title_rect.get();
-            if self.toplevel_data.visible.get() {
-                self.state.damage(rect.move_(abs_x, abs_y));
+            if self.toplevel_data.visible.get() && !mono && split != ContainerSplit::Horizontal {
+                self.state.damage(Rect::new_sized_unchecked(
+                    abs_x,
+                    abs_y + rect.y1(),
+                    cwidth,
+                    rect.height() + 1,
+                ));
             }
             if i > 0 {
                 let rect = if mono {
@@ -852,6 +857,10 @@ impl ContainerNode {
             rd.underline_rects
                 .push(Rect::new_sized(0, th, cwidth, 1).unwrap());
         }
+        if self.toplevel_data.visible.get() && (mono || split == ContainerSplit::Horizontal) {
+            self.state
+                .damage(Rect::new_sized_unchecked(abs_x, abs_y, cwidth, th + 1));
+        }
         rd.titles.remove_if(|_, v| v.is_empty());
     }
 
diff --git a/src/tree/output.rs b/src/tree/output.rs
index b3cce86c..2da49494 100644
--- a/src/tree/output.rs
+++ b/src/tree/output.rs
@@ -496,6 +496,9 @@ impl OutputNode {
 
     fn update_render_data_phase1(self: &Rc<Self>) -> Rc<AsyncEvent> {
         let on_completed = Rc::new(OnDropEvent::default());
+        if !self.state.show_bar.get() {
+            return on_completed.event();
+        }
         let Some(ctx) = self.state.render_ctx.get() else {
             return on_completed.event();
         };
@@ -556,6 +559,10 @@ impl OutputNode {
         rd.attention_requested_workspaces.clear();
         rd.captured_inactive_workspaces.clear();
         rd.active_workspace = None;
+        if !self.state.show_bar.get() {
+            self.state.damage(rd.full_area);
+            return;
+        }
         let mut pos = 0;
         let theme = &self.state.theme;
         let th = theme.sizes.title_height.get();
@@ -766,7 +773,10 @@ impl OutputNode {
             width,
             height,
         ));
-        let y1 = y1 + th + 1;
+        let mut y1 = y1;
+        if self.state.show_bar.get() {
+            y1 += th + 1;
+        }
         let height = (y2 - y1).max(0);
         self.workspace_rect
             .set(Rect::new_sized_unchecked(x1, y1, width, height));
@@ -1068,6 +1078,9 @@ impl OutputNode {
     }
 
     fn button(self: Rc<Self>, id: PointerType) {
+        if !self.state.show_bar.get() {
+            return;
+        }
         let (x, y) = match self.pointer_positions.get(&id) {
             Some(p) => p,
             _ => return,
@@ -1208,8 +1221,9 @@ impl OutputNode {
         if ws.fullscreen.is_some() {
             return None;
         }
+        let show_bar = self.state.show_bar.get();
         let th = self.state.theme.sizes.title_height.get();
-        if y_abs < rect.y1() + th + 1 {
+        if show_bar && y_abs < rect.y1() + th + 1 {
             let rd = &*self.render_data.borrow();
             let (x, _) = rect.translate(x_abs, y_abs);
             let mut last_x2 = 0;
@@ -1236,8 +1250,11 @@ impl OutputNode {
                 },
             });
         }
-        let thp1 = self.state.theme.sizes.title_height.get() + 1;
-        let rect = Rect::new(rect.x1(), rect.y1() + thp1, rect.x2(), rect.y2())?;
+        let bar_height = match show_bar {
+            true => th + 1,
+            false => 0,
+        };
+        let rect = Rect::new(rect.x1(), rect.y1() + bar_height, rect.x2(), rect.y2())?;
         if !rect.contains(x_abs, y_abs) {
             return None;
         }
@@ -1256,6 +1273,9 @@ impl OutputNode {
         x_abs: i32,
         y_abs: i32,
     ) -> Option<WorkspaceDragDestination> {
+        if !self.state.show_bar.get() {
+            return None;
+        }
         let rect = self.non_exclusive_rect.get();
         if !rect.contains(x_abs, y_abs) {
             return None;
@@ -1478,7 +1498,10 @@ impl Node for OutputNode {
             }
             return FindTreeResult::AcceptsInput;
         }
-        let bar_height = self.state.theme.sizes.title_height.get() + 1;
+        let bar_height = match self.state.show_bar.get() {
+            true => self.state.theme.sizes.title_height.get() + 1,
+            false => 0,
+        };
         if usecase == FindTreeUsecase::SelectWorkspace {
             if y >= bar_height {
                 y -= bar_height;
diff --git a/toml-config/src/config.rs b/toml-config/src/config.rs
index ec77f760..ac2bdccf 100644
--- a/toml-config/src/config.rs
+++ b/toml-config/src/config.rs
@@ -68,6 +68,8 @@ pub enum SimpleCommand {
     SetFloatPinned(bool),
     ToggleFloatPinned,
     KillClient,
+    ShowBar(bool),
+    ToggleBar,
 }
 
 #[derive(Debug, Clone)]
@@ -483,6 +485,7 @@ pub struct Config {
     pub window_rules: Vec<WindowRule>,
     pub pointer_revert_key: Option<KeySym>,
     pub use_hardware_cursor: Option<bool>,
+    pub show_bar: Option<bool>,
 }
 
 #[derive(Debug, Error)]
diff --git a/toml-config/src/config/parsers/action.rs b/toml-config/src/config/parsers/action.rs
index 618c0cb1..c0a39075 100644
--- a/toml-config/src/config/parsers/action.rs
+++ b/toml-config/src/config/parsers/action.rs
@@ -133,6 +133,9 @@ impl ActionParser<'_> {
             "unpin-float" => SetFloatPinned(false),
             "toggle-float-pinned" => ToggleFloatPinned,
             "kill-client" => KillClient,
+            "show-bar" => ShowBar(true),
+            "hide-bar" => ShowBar(false),
+            "toggle-bar" => ToggleBar,
             _ => {
                 return Err(
                     ActionParserError::UnknownSimpleAction(string.to_string()).spanned(span)
diff --git a/toml-config/src/config/parsers/config.rs b/toml-config/src/config/parsers/config.rs
index 8b102fb0..07d61fcd 100644
--- a/toml-config/src/config/parsers/config.rs
+++ b/toml-config/src/config/parsers/config.rs
@@ -132,6 +132,7 @@ impl Parser for ConfigParser<'_> {
                 window_rules_val,
                 pointer_revert_key_str,
                 use_hardware_cursor,
+                show_bar,
             ),
         ) = ext.extract((
             (
@@ -179,6 +180,7 @@ impl Parser for ConfigParser<'_> {
                 opt(val("windows")),
                 recover(opt(str("pointer-revert-key"))),
                 recover(opt(bol("use-hardware-cursor"))),
+                recover(opt(bol("show-bar"))),
             ),
         ))?;
         let mut keymap = None;
@@ -494,6 +496,7 @@ impl Parser for ConfigParser<'_> {
             window_rules,
             pointer_revert_key,
             use_hardware_cursor: use_hardware_cursor.despan(),
+            show_bar: show_bar.despan(),
         })
     }
 }
diff --git a/toml-config/src/lib.rs b/toml-config/src/lib.rs
index 01bcb7fe..95191f34 100644
--- a/toml-config/src/lib.rs
+++ b/toml-config/src/lib.rs
@@ -35,12 +35,12 @@ use {
         logging::set_log_level,
         on_devices_enumerated, on_idle, on_unload, quit, reload, set_color_management_enabled,
         set_default_workspace_capture, set_explicit_sync_enabled, set_float_above_fullscreen,
-        set_idle, set_idle_grace_period, set_show_float_pin_icon, set_ui_drag_enabled,
-        set_ui_drag_threshold,
+        set_idle, set_idle_grace_period, set_show_bar, set_show_float_pin_icon,
+        set_ui_drag_enabled, set_ui_drag_threshold,
         status::{set_i3bar_separator, set_status, set_status_command, unset_status_command},
         switch_to_vt,
         theme::{reset_colors, reset_font, reset_sizes, set_font},
-        toggle_float_above_fullscreen,
+        toggle_float_above_fullscreen, toggle_show_bar,
         video::{
             ColorSpace, Connector, DrmDevice, TransferFunction, connectors, drm_devices,
             on_connector_connected, on_connector_disconnected, on_graphics_initialized,
@@ -154,6 +154,8 @@ impl Action {
                 }
                 SimpleCommand::ToggleFloatPinned => window_or_seat!(s, s.toggle_float_pinned()),
                 SimpleCommand::KillClient => client_action!(c, c.kill()),
+                SimpleCommand::ShowBar(show) => B::new(move || set_show_bar(show)),
+                SimpleCommand::ToggleBar => B::new(toggle_show_bar),
             },
             Action::Multi { actions } => {
                 let actions: Vec<_> = actions.into_iter().map(|a| a.into_fn(state)).collect();
@@ -1247,6 +1249,9 @@ fn load_config(initial_load: bool, persistent: &Rc<PersistentState>) {
     if let Some(v) = config.use_hardware_cursor {
         persistent.seat.use_hardware_cursor(v);
     }
+    if let Some(v) = config.show_bar {
+        set_show_bar(v);
+    }
 }
 
 fn create_command(exec: &Exec) -> Command {
diff --git a/toml-spec/spec/spec.generated.json b/toml-spec/spec/spec.generated.json
index d7c7dc61..369a8835 100644
--- a/toml-spec/spec/spec.generated.json
+++ b/toml-spec/spec/spec.generated.json
@@ -883,6 +883,10 @@
         "use-hardware-cursor": {
           "type": "boolean",
           "description": "Configures whether the default seat uses hardware cursors.\n\nThe default is `true`.\n"
+        },
+        "show-bar": {
+          "type": "boolean",
+          "description": "Configures whether the built-in bar is shown.\n\nThe default is `true`.\n"
         }
       },
       "required": []
@@ -1586,7 +1590,10 @@
         "pin-float",
         "unpin-float",
         "toggle-float-pinned",
-        "kill-client"
+        "kill-client",
+        "show-bar",
+        "hide-bar",
+        "toggle-bar"
       ]
     },
     "Status": {
diff --git a/toml-spec/spec/spec.generated.md b/toml-spec/spec/spec.generated.md
index 33327424..c4f5f56a 100644
--- a/toml-spec/spec/spec.generated.md
+++ b/toml-spec/spec/spec.generated.md
@@ -1794,6 +1794,14 @@ The table has the following fields:
 
   The value of this field should be a boolean.
 
+- `show-bar` (optional):
+
+  Configures whether the built-in bar is shown.
+  
+  The default is `true`.
+
+  The value of this field should be a boolean.
+
 
 <a name="types-Connector"></a>
 ### `Connector`
@@ -3597,6 +3605,18 @@ The string should have one of the following values:
   Within a window rule, it applies to the client of the window. Within a client rule
   it applies to the matched client. Has no effect otherwise.
 
+- `show-bar`:
+
+  Shows the built-in bar.
+
+- `hide-bar`:
+
+  Hides the built-in bar.
+
+- `toggle-bar`:
+
+  Toggles the built-in bar.
+
 
 
 <a name="types-Status"></a>
diff --git a/toml-spec/spec/spec.yaml b/toml-spec/spec/spec.yaml
index efdb960c..76a142d3 100644
--- a/toml-spec/spec/spec.yaml
+++ b/toml-spec/spec/spec.yaml
@@ -854,6 +854,12 @@ SimpleActionName:
         
         Within a window rule, it applies to the client of the window. Within a client rule
         it applies to the matched client. Has no effect otherwise.
+    - value: show-bar
+      description: Shows the built-in bar.
+    - value: hide-bar
+      description: Hides the built-in bar.
+    - value: toggle-bar
+      description: Toggles the built-in bar.
 
 
 Color:
@@ -2614,6 +2620,13 @@ Config:
         Configures whether the default seat uses hardware cursors.
 
         The default is `true`.
+    show-bar:
+      kind: boolean
+      required: false
+      description: |
+        Configures whether the built-in bar is shown.
+
+        The default is `true`.
 
 
 Idle: