From 82747cc5537042929a13a18f83ace60a489dc7e4 Mon Sep 17 00:00:00 2001
From: Cyril Levis <git@levis.name>
Date: Wed, 22 Nov 2023 15:36:10 +0100
Subject: [PATCH] feat: add a new max_clients config param

---
 README.md                | 1 +
 src/config/mod.rs        | 3 +++
 src/renamer/formatter.rs | 6 ++++++
 3 files changed, 10 insertions(+)

diff --git a/README.md b/README.md
index 4e11858..080c130 100644
--- a/README.md
+++ b/README.md
@@ -145,6 +145,7 @@ clients:
 
 ```
 [format]
+# max_clients = 10 (default: usize::MAX)
 dedup = true
 dedup_inactive_fullscreen = true
 delim = " " # NARROW NO-BREAK SPACE
diff --git a/src/config/mod.rs b/src/config/mod.rs
index aa2fe1d..5d9ffed 100644
--- a/src/config/mod.rs
+++ b/src/config/mod.rs
@@ -67,6 +67,8 @@ impl Default for ConfigFormatRaw {
 
 #[derive(Deserialize, Serialize, Debug, Clone, PartialEq, Eq)]
 pub struct ConfigFormatRaw {
+    #[serde(default)]
+    pub max_clients: Option<i32>,
     #[serde(default)]
     pub dedup: bool,
     #[serde(default)]
@@ -263,6 +265,7 @@ version = "1.1.11"
 # dedup_inactive_fullscreen = false # dedup more
 # window delimiter
 # delim = " "
+# max_clients = 30
 
 # available formatter:
 # {counter_sup} - superscripted count of clients on the workspace, and simple {counter}, {delim}
diff --git a/src/renamer/formatter.rs b/src/renamer/formatter.rs
index eab9282..5158aa3 100644
--- a/src/renamer/formatter.rs
+++ b/src/renamer/formatter.rs
@@ -31,6 +31,12 @@ impl Renamer {
                 let workspace_output = counted
                     .iter_mut()
                     .map(|(client, counter)| self.handle_new_client(client, *counter, config))
+                    .take(
+                        config
+                            .format
+                            .max_clients
+                            .map_or(usize::MAX, |max| max as usize),
+                    )
                     .collect::<Vec<String>>();
 
                 let delimiter = formatter("{delim}", &vars);