Merge pull request #121 from mahkoh/jorth/input-region

tree: implement surface input regions

src/ifs/wl_surface.rs

@@ -134,7 +134,7 @@ pub struct WlSurface {
     visible: Cell<bool>,
     role: Cell<SurfaceRole>,
     pending: PendingState,
-    input_region: Cell<Option<Rc<Region>>>,
+    input_region: CloneCell<Option<Rc<Region>>>,
     opaque_region: Cell<Option<Rc<Region>>>,
     buffer_points: RefCell<BufferPoints>,
     pub buffer_points_norm: RefCell<SampleRect>,
@@ -894,13 +894,25 @@ impl WlSurface {
         Ok(())
     }
 
-    fn find_surface_at(self: &Rc<Self>, x: i32, y: i32) -> Option<(Rc<Self>, i32, i32)> {
+    fn accepts_input_at(&self, x: i32, y: i32) -> bool {
         let rect = self.buffer_abs_pos.get().at_point(0, 0);
+        if !rect.contains(x, y) {
+            return false;
+        }
+        if let Some(ir) = self.input_region.get() {
+            if !ir.contains(x, y) {
+                return false;
+            }
+        }
+        true
+    }
+
+    fn find_surface_at(self: &Rc<Self>, x: i32, y: i32) -> Option<(Rc<Self>, i32, i32)> {
         let children = self.children.borrow();
         let children = match children.deref() {
             Some(c) => c,
             _ => {
-                return if rect.contains(x, y) {
+                return if self.accepts_input_at(x, y) {
                     Some((self.clone(), x, y))
                 } else {
                     None
@@ -925,7 +937,7 @@ impl WlSurface {
         if let Some(res) = ss(&children.above) {
             return Some(res);
         }
-        if rect.contains(x, y) {
+        if self.accepts_input_at(x, y) {
             return Some((self.clone(), x, y));
         }
         if let Some(res) = ss(&children.below) {

src/ifs/wl_surface/x_surface/xwindow.rs

@@ -322,6 +322,10 @@ impl Node for Xwindow {
         seat.focus_toplevel(self.clone());
     }
 
+    fn node_active_changed(&self, active: bool) {
+        self.toplevel_data.update_self_active(self, active);
+    }
+
     fn node_find_tree_at(&self, x: i32, y: i32, tree: &mut Vec<FoundNode>) -> FindTreeResult {
         let rect = self.x.surface.buffer_abs_pos.get();
         if x < rect.width() && y < rect.height() {

src/ifs/wl_surface/xdg_surface/xdg_toplevel.rs

@@ -511,6 +511,10 @@ impl Node for XdgToplevel {
         seat.focus_toplevel(self.clone());
     }
 
+    fn node_active_changed(&self, active: bool) {
+        self.toplevel_data.update_self_active(self, active);
+    }
+
     fn node_find_tree_at(&self, x: i32, y: i32, tree: &mut Vec<FoundNode>) -> FindTreeResult {
         self.xdg.find_tree_at(x, y, tree)
     }

src/tree/container.rs

@@ -758,7 +758,9 @@ impl ContainerNode {
                 }
             }
             self.mono_child.set(Some(child.clone()));
-            child.node.tl_set_visible(true);
+            if self.toplevel_data.visible.get() {
+                child.node.tl_set_visible(true);
+            }
             child.node.tl_restack_popups();
             // log::info!("activate_child2");
             self.schedule_layout();
@@ -1126,10 +1128,7 @@ impl Node for ContainerNode {
     }
 
     fn node_active_changed(&self, active: bool) {
-        self.toplevel_data.active.set(active);
-        if let Some(parent) = self.toplevel_data.parent.get() {
-            parent.node_child_active_changed(self, active, 1);
-        }
+        self.toplevel_data.update_self_active(self, active);
     }
 
     fn node_find_tree_at(&self, x: i32, y: i32, tree: &mut Vec<FoundNode>) -> FindTreeResult {

src/tree/float.rs

@@ -10,8 +10,8 @@ use {
         state::State,
         text::{self, TextTexture},
         tree::{
-            walker::NodeVisitor, ContainingNode, FindTreeResult, FoundNode, Node, NodeId,
-            StackedNode, ToplevelNode, WorkspaceNode,
+            walker::NodeVisitor, ContainingNode, Direction, FindTreeResult, FoundNode, Node,
+            NodeId, StackedNode, ToplevelNode, WorkspaceNode,
         },
         utils::{
             clonecell::CloneCell, copyhashmap::CopyHashMap, double_click_state::DoubleClickState,
@@ -490,6 +490,11 @@ impl Node for FloatNode {
             if state != KeyState::Pressed {
                 return;
             }
+            if seat_data.op_type == OpType::Move {
+                if let Some(tl) = self.child.get() {
+                    tl.node_do_focus(seat, Direction::Unspecified);
+                }
+            }
             if seat_data
                 .double_click_state
                 .click(&self.state, time_usec, seat_data.x, seat_data.y)

src/tree/placeholder.rs

@@ -113,10 +113,7 @@ impl Node for PlaceholderNode {
     }
 
     fn node_active_changed(&self, active: bool) {
-        self.toplevel.active.set(active);
-        if let Some(parent) = self.toplevel.parent.get() {
-            parent.node_child_active_changed(self, active, 1);
-        }
+        self.toplevel.update_self_active(self, active);
     }
 
     fn node_find_tree_at(&self, _x: i32, _y: i32, _tree: &mut Vec<FoundNode>) -> FindTreeResult {

src/tree/toplevel.rs

@@ -58,21 +58,9 @@ impl<T: ToplevelNodeBase> ToplevelNode for T {
 
     fn tl_surface_active_changed(&self, active: bool) {
         let data = self.tl_data();
-        if active {
-            if data.active_surfaces.inc() {
-                self.tl_set_active(true);
-                if let Some(parent) = data.parent.get() {
-                    parent.node_child_active_changed(self.tl_as_node(), true, 1);
-                }
-            }
-        } else {
-            if data.active_surfaces.dec() {
-                self.tl_set_active(false);
-                if let Some(parent) = data.parent.get() {
-                    parent.node_child_active_changed(self.tl_as_node(), false, 1);
-                }
-            }
-        }
+        data.update_active(self, || {
+            data.active_surfaces.adj(active);
+        });
     }
 
     fn tl_set_fullscreen(self: Rc<Self>, fullscreen: bool) {
@@ -193,7 +181,7 @@ pub struct FullscreenedData {
 }
 
 pub struct ToplevelData {
-    pub active: Cell<bool>,
+    pub self_active: Cell<bool>,
     pub client: Option<Rc<Client>>,
     pub state: Rc<State>,
     pub active_surfaces: ThresholdCounter,
@@ -220,7 +208,7 @@ pub struct ToplevelData {
 impl ToplevelData {
     pub fn new(state: &Rc<State>, title: String, client: Option<Rc<Client>>) -> Self {
         Self {
-            active: Cell::new(false),
+            self_active: Cell::new(false),
             client,
             state: state.clone(),
             active_surfaces: Default::default(),
@@ -245,7 +233,23 @@ impl ToplevelData {
     }
 
     pub fn active(&self) -> bool {
-        self.active_surfaces.active() || self.active.get()
+        self.active_surfaces.active() || self.self_active.get()
+    }
+
+    fn update_active<T: ToplevelNode, F: FnOnce()>(&self, tl: &T, f: F) {
+        let active_old = self.active();
+        f();
+        let active_new = self.active();
+        if active_old != active_new {
+            tl.tl_set_active(active_new);
+            if let Some(parent) = self.parent.get() {
+                parent.node_child_active_changed(tl.tl_as_node(), active_new, 1);
+            }
+        }
+    }
+
+    pub fn update_self_active<T: ToplevelNode>(&self, node: &T, active: bool) {
+        self.update_active(node, || self.self_active.set(active));
     }
 
     pub fn float_size(&self, ws: &WorkspaceNode) -> (i32, i32) {