From df3c2e33ceb784034a0111d7e4466a0ef72d2e27 Mon Sep 17 00:00:00 2001
From: Janis <janis@nirgendwo.xyz>
Date: Sun, 28 Nov 2021 21:02:38 +0100
Subject: [PATCH] config value for killing clients on exit

---
 src/clients.rs | 2 +-
 src/state.rs   | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/clients.rs b/src/clients.rs
index d5997ca..ed85695 100644
--- a/src/clients.rs
+++ b/src/clients.rs
@@ -288,7 +288,7 @@ impl ClientState {
             .filter(move |&(k, _)| self.is_client_visible(k))
     }
 
-    fn iter_all_clients(&self) -> impl Iterator<Item = (&u64, &Client)> {
+    pub fn iter_all_clients(&self) -> impl Iterator<Item = (&u64, &Client)> {
         self.floating_clients.iter().chain(self.clients.iter())
     }
 
diff --git a/src/state.rs b/src/state.rs
index db6cc8a..357ebd1 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -30,6 +30,7 @@ pub struct WMConfig {
     num_virtualscreens: usize,
     mod_key: ModifierKey,
     gap: Option<i32>,
+    kill_clients_on_exit: bool,
 }
 
 pub struct WindowManager<B = XLib>
@@ -410,6 +411,13 @@ where
     }
 
     fn quit(&self) -> ! {
+        // TODO: should the window manager kill all clients on exit? probably
+        if self.config.kill_clients_on_exit {
+            self.clients
+                .iter_all_clients()
+                .for_each(|(&window, client)| self.backend.kill_window(window));
+        }
+
         info!("Goodbye.");
 
         std::process::exit(0);
@@ -857,6 +865,7 @@ impl Default for WMConfig {
             num_virtualscreens: 10,
             mod_key: ModifierKey::Super,
             gap: Some(2),
+            kill_clients_on_exit: false,
         }
     }
 }