config: add auto-focus window rule

jay-config/src/_private/client.rs

@@ -1701,6 +1701,13 @@ impl ConfigClient {
         handler.cb = cb.clone();
     }
 
+    pub fn set_window_matcher_auto_focus(&self, matcher: WindowMatcher, auto_focus: bool) {
+        self.send(&ClientMessage::SetWindowMatcherAutoFocus {
+            matcher,
+            auto_focus,
+        });
+    }
+
     pub fn set_window_matcher_latch_handler(
         &self,
         matcher: WindowMatcher,

jay-config/src/_private/ipc.rs

@@ -698,6 +698,10 @@ pub enum ClientMessage<'a> {
     EnableWindowMatcherEvents {
         matcher: WindowMatcher,
     },
+    SetWindowMatcherAutoFocus {
+        matcher: WindowMatcher,
+        auto_focus: bool,
+    },
 }
 
 #[derive(Serialize, Deserialize, Debug)]

jay-config/src/window.rs

@@ -296,6 +296,16 @@ impl WindowCriterion<'_> {
     pub fn bind<F: FnMut(MatchedWindow) + 'static>(self, cb: F) {
         self.to_matcher().bind(cb);
     }
+
+    /// Sets whether newly mapped windows that match this criterion get the keyboard focus.
+    ///
+    /// If a window matches any criterion for which this is false, the window will not be
+    /// automatically focused.
+    ///
+    /// This leaks the matcher.
+    pub fn set_auto_focus(self, auto_focus: bool) {
+        self.to_matcher().set_auto_focus(auto_focus);
+    }
 }
 
 impl WindowMatcher {
@@ -312,6 +322,14 @@ impl WindowMatcher {
     pub fn bind<F: FnMut(MatchedWindow) + 'static>(self, cb: F) {
         get!().set_window_matcher_handler(self, cb);
     }
+
+    /// Sets whether newly mapped windows that match this matcher get the keyboard focus.
+    ///
+    /// If a window matches any matcher for which this is false, the window will not be
+    /// automatically focused.
+    pub fn set_auto_focus(self, auto_focus: bool) {
+        get!().set_window_matcher_auto_focus(self, auto_focus);
+    }
 }
 
 impl MatchedWindow {