tree: activate workspace on click

src/compositor.rs

@@ -373,6 +373,7 @@ fn create_dummy_output(state: &Rc<State>) {
         is_dummy: true,
         status: Default::default(),
         scroll: Default::default(),
+        pointer_positions: Default::default(),
     });
     let dummy_workspace = Rc::new(WorkspaceNode {
         id: state.node_ids.next(),

src/it/tests.rs

@@ -43,6 +43,7 @@ mod t0014_container_scroll_focus;
 mod t0015_scroll_partial;
 mod t0016_scroll_ws;
 mod t0017_remove_unused_ws;
+mod t0018_click_to_active_ws;
 
 pub trait TestCase: Sync {
     fn name(&self) -> &'static str;
@@ -78,5 +79,6 @@ pub fn tests() -> Vec<&'static dyn TestCase> {
         t0015_scroll_partial,
         t0016_scroll_ws,
         t0017_remove_unused_ws,
+        t0018_click_to_active_ws,
     }
 }

src/it/tests/t0018_click_to_active_ws.rs

@@ -0,0 +1,46 @@
+use {
+    crate::{
+        ifs::wl_seat::BTN_LEFT,
+        it::{test_error::TestResult, testrun::TestRun},
+    },
+    std::rc::Rc,
+};
+
+testcase!();
+
+async fn test(run: Rc<TestRun>) -> TestResult {
+    let ds = run.create_default_setup().await?;
+    run.cfg.show_workspace(ds.seat.id(), "1")?;
+
+    let client = run.create_client().await?;
+
+    let win1 = client.create_window().await?;
+    win1.map().await?;
+
+    run.cfg.show_workspace(ds.seat.id(), "2")?;
+
+    let win2 = client.create_window().await?;
+    win2.map().await?;
+
+    ds.mouse.abs(&ds.connector, 0.0, 0.0);
+    ds.mouse.click(BTN_LEFT);
+
+    client.sync().await;
+
+    let name = ds.output.workspace.get().map(|ws| ws.name.clone());
+    tassert_eq!(name.as_deref(), Some("1"));
+
+    let pos = {
+        let rd = ds.output.render_data.borrow_mut();
+        rd.titles.last().map(|t| t.x1).unwrap_or(0)
+    };
+    ds.mouse.abs(&ds.connector, pos as _, 0.0);
+    ds.mouse.click(BTN_LEFT);
+
+    client.sync().await;
+
+    let name = ds.output.workspace.get().map(|ws| ws.name.clone());
+    tassert_eq!(name.as_deref(), Some("2"));
+
+    Ok(())
+}

src/render/renderer/renderer.rs

@@ -114,10 +114,10 @@ impl Renderer<'_> {
             let c = theme.colors.unfocused_title_background.get();
             self.fill_boxes2(&rd.inactive_workspaces, &c, x, y);
             for title in &rd.titles {
-                self.render_texture(&title.tex, x + title.x, y + title.y, ARGB8888);
+                self.render_texture(&title.tex, x + title.tex_x, y + title.tex_y, ARGB8888);
             }
             if let Some(status) = &rd.status {
-                self.render_texture(&status.tex, x + status.x, y + status.y, ARGB8888);
+                self.render_texture(&status.tex, x + status.tex_x, y + status.tex_y, ARGB8888);
             }
         }
         if let Some(ws) = output.workspace.get() {

src/tasks/connector.rs

@@ -118,6 +118,7 @@ impl ConnectorHandler {
             is_dummy: false,
             status: self.state.status.clone(),
             scroll: Default::default(),
+            pointer_positions: Default::default(),
         });
         let mode = info.initial_mode;
         let output_data = Rc::new(OutputData {

src/tree/output.rs

@@ -1,10 +1,14 @@
 use {
     crate::{
-        backend::Mode,
+        backend::{KeyState, Mode},
         cursor::KnownCursor,
+        fixed::Fixed,
         ifs::{
             wl_output::WlOutputGlobal,
-            wl_seat::{collect_kb_foci2, wl_pointer::PendingScroll, NodeSeatState, WlSeatGlobal},
+            wl_seat::{
+                collect_kb_foci2, wl_pointer::PendingScroll, NodeSeatState, SeatId, WlSeatGlobal,
+                BTN_LEFT,
+            },
             wl_surface::zwlr_layer_surface_v1::ZwlrLayerSurfaceV1,
             zwlr_layer_shell_v1::{BACKGROUND, BOTTOM, OVERLAY, TOP},
         },
@@ -16,7 +20,8 @@ use {
             walker::NodeVisitor, Direction, FindTreeResult, FoundNode, Node, NodeId, WorkspaceNode,
         },
         utils::{
-            clonecell::CloneCell, errorfmt::ErrorFmt, linkedlist::LinkedList, scroller::Scroller,
+            clonecell::CloneCell, copyhashmap::CopyHashMap, errorfmt::ErrorFmt,
+            linkedlist::LinkedList, scroller::Scroller,
         },
     },
     smallvec::SmallVec,
@@ -41,6 +46,7 @@ pub struct OutputNode {
     pub is_dummy: bool,
     pub status: CloneCell<Rc<String>>,
     pub scroll: Scroller,
+    pub pointer_positions: CopyHashMap<SeatId, (i32, i32)>,
 }
 
 impl OutputNode {
@@ -98,9 +104,12 @@ impl OutputNode {
                         x = pos + (title_width - title.width()) / 2;
                     }
                     rd.titles.push(OutputTitle {
-                        x,
-                        y: 0,
+                        x1: pos,
+                        x2: pos + title_width,
+                        tex_x: x,
+                        tex_y: 0,
                         tex: title,
+                        ws: ws.deref().clone(),
                     });
                 }
             }
@@ -130,9 +139,9 @@ impl OutputNode {
                 }
             };
             let pos = width - title.width() - 1;
-            rd.status = Some(OutputTitle {
-                x: pos,
-                y: 0,
+            rd.status = Some(OutputStatus {
+                tex_x: pos,
+                tex_y: 0,
                 tex: title,
             });
         }
@@ -295,11 +304,24 @@ impl OutputNode {
         self.status.set(status.clone());
         self.update_render_data();
     }
+
+    fn pointer_move(self: &Rc<Self>, seat: &Rc<WlSeatGlobal>, x: i32, y: i32) {
+        self.pointer_positions.set(seat.id(), (x, y));
+    }
 }
 
 pub struct OutputTitle {
-    pub x: i32,
-    pub y: i32,
+    pub x1: i32,
+    pub x2: i32,
+    pub tex_x: i32,
+    pub tex_y: i32,
+    pub tex: Rc<Texture>,
+    pub ws: Rc<WorkspaceNode>,
+}
+
+pub struct OutputStatus {
+    pub tex_x: i32,
+    pub tex_y: i32,
     pub tex: Rc<Texture>,
 }
 
@@ -309,7 +331,7 @@ pub struct OutputRenderData {
     pub underline: Rect,
     pub inactive_workspaces: Vec<Rect>,
     pub titles: Vec<OutputTitle>,
-    pub status: Option<OutputTitle>,
+    pub status: Option<OutputStatus>,
 }
 
 impl Debug for OutputNode {
@@ -423,6 +445,37 @@ impl Node for OutputNode {
         renderer.render_output(self, x, y);
     }
 
+    fn node_on_button(
+        self: Rc<Self>,
+        seat: &Rc<WlSeatGlobal>,
+        button: u32,
+        state: KeyState,
+        _serial: u32,
+    ) {
+        if state != KeyState::Pressed || button != BTN_LEFT {
+            return;
+        }
+        let (x, y) = match self.pointer_positions.get(&seat.id()) {
+            Some(p) => p,
+            _ => return,
+        };
+        if y >= self.state.theme.sizes.title_height.get() {
+            return;
+        }
+        let ws = 'ws: {
+            let rd = self.render_data.borrow_mut();
+            for title in &rd.titles {
+                if x >= title.x1 && x < title.x2 {
+                    break 'ws title.ws.clone();
+                }
+            }
+            return;
+        };
+        self.show_workspace(&ws);
+        self.update_render_data();
+        self.state.tree_changed();
+    }
+
     fn node_on_axis_event(self: Rc<Self>, seat: &Rc<WlSeatGlobal>, event: &PendingScroll) {
         let steps = match self.scroll.handle(event) {
             Some(e) => e,
@@ -460,11 +513,19 @@ impl Node for OutputNode {
         self.state.tree_changed();
     }
 
+    fn node_on_pointer_enter(self: Rc<Self>, seat: &Rc<WlSeatGlobal>, x: Fixed, y: Fixed) {
+        self.pointer_move(seat, x.round_down(), y.round_down());
+    }
+
     fn node_on_pointer_focus(&self, seat: &Rc<WlSeatGlobal>) {
         // log::info!("output focus");
         seat.set_known_cursor(KnownCursor::Default);
     }
 
+    fn node_on_pointer_motion(self: Rc<Self>, seat: &Rc<WlSeatGlobal>, x: Fixed, y: Fixed) {
+        self.pointer_move(seat, x.round_down(), y.round_down());
+    }
+
     fn node_into_output(self: Rc<Self>) -> Option<Rc<OutputNode>> {
         Some(self.clone())
     }

src/utils/clonecell.rs

@@ -76,5 +76,8 @@ unsafe impl<T> UnsafeCellCloneSafe for NodeRef<T> {}
 
 unsafe impl UnsafeCellCloneSafe for () {}
 unsafe impl UnsafeCellCloneSafe for u64 {}
+unsafe impl UnsafeCellCloneSafe for i32 {}
+
+unsafe impl<A: UnsafeCellCloneSafe, B: UnsafeCellCloneSafe> UnsafeCellCloneSafe for (A, B) {}
 
 unsafe impl UnsafeCellCloneSafe for Modifiers {}