From fdf0d73b30ecd02d3ea3bc68a8f5444451cdf96e Mon Sep 17 00:00:00 2001
From: bbedward <bbedward@gmail.com>
Date: Sat, 15 Aug 2026 12:24:10 -0400
Subject: [PATCH] displays: apply refresh rate changes without compositor
 config reload

related #3073
---
 quickshell/Services/DisplayService.qml  | 31 +++++++++++++++++++------
 quickshell/Services/HyprlandService.qml |  4 ++--
 quickshell/Services/MangoService.qml    |  4 ++--
 3 files changed, 28 insertions(+), 11 deletions(-)

diff --git a/quickshell/Services/DisplayService.qml b/quickshell/Services/DisplayService.qml
index df4e11dfd..1bc6d2fd0 100644
--- a/quickshell/Services/DisplayService.qml
+++ b/quickshell/Services/DisplayService.qml
@@ -376,19 +376,36 @@ Singleton {
     }
 
     function applyWlrModeOverrides(modeOverrides, callback) {
-        if (CompositorService.isHyprland) {
-            HyprlandService.generateOutputsConfig(buildWlrOutputsData(modeOverrides), SessionData.hyprlandOutputSettings, callback);
-            return;
-        }
-
-        if (CompositorService.isMango) {
-            MangoService.generateOutputsConfig(buildWlrOutputsData(modeOverrides), callback);
+        if (CompositorService.isHyprland || CompositorService.isMango) {
+            applyModeOverridesWithoutReload(modeOverrides, callback);
             return;
         }
 
         WlrOutputService.applyConfiguration(buildWlrHeads(modeOverrides), callback);
     }
 
+    // apply live and persist without a compositor config reload — full reloads
+    // are a suspected trigger for IME input lockups (#3073)
+    function applyModeOverridesWithoutReload(modeOverrides, callback) {
+        WlrOutputService.applyConfiguration(buildWlrHeads(modeOverrides), success => {
+            if (!success) {
+                persistOutputsConfig(modeOverrides, callback, false);
+                return;
+            }
+            persistOutputsConfig(modeOverrides, null, true);
+            if (callback)
+                callback(true);
+        });
+    }
+
+    function persistOutputsConfig(modeOverrides, callback, skipReload) {
+        if (CompositorService.isHyprland) {
+            HyprlandService.generateOutputsConfig(buildWlrOutputsData(modeOverrides), SessionData.hyprlandOutputSettings, callback, skipReload);
+            return;
+        }
+        MangoService.generateOutputsConfig(buildWlrOutputsData(modeOverrides), callback, skipReload);
+    }
+
     function buildWlrOutputsData(modeOverrides) {
         const outputs = WlrOutputService.outputs || [];
         const data = ({});
diff --git a/quickshell/Services/HyprlandService.qml b/quickshell/Services/HyprlandService.qml
index 519fc92eb..8611272ca 100644
--- a/quickshell/Services/HyprlandService.qml
+++ b/quickshell/Services/HyprlandService.qml
@@ -168,7 +168,7 @@ Singleton {
         return Number(value);
     }
 
-    function generateOutputsConfig(outputsData, hyprlandSettings, callback) {
+    function generateOutputsConfig(outputsData, hyprlandSettings, callback, skipReload) {
         if (!canWriteLuaConfig("outputs")) {
             if (callback)
                 callback(false);
@@ -254,7 +254,7 @@ Singleton {
                 return;
             }
             log.info("Generated outputs config at", outputsPath);
-            if (CompositorService.isHyprland)
+            if (CompositorService.isHyprland && !skipReload)
                 reloadConfig();
             if (callback)
                 callback(true);
diff --git a/quickshell/Services/MangoService.qml b/quickshell/Services/MangoService.qml
index d3b50c4f2..e544ed1ac 100644
--- a/quickshell/Services/MangoService.qml
+++ b/quickshell/Services/MangoService.qml
@@ -563,7 +563,7 @@ Singleton {
         }
     }
 
-    function generateOutputsConfig(outputsData, callback) {
+    function generateOutputsConfig(outputsData, callback, skipReload) {
         if (!outputsData || Object.keys(outputsData).length === 0) {
             if (callback)
                 callback(false);
@@ -618,7 +618,7 @@ Singleton {
                 return;
             }
             log.info("Generated outputs config at", outputsPath);
-            if (CompositorService.isMango)
+            if (CompositorService.isMango && !skipReload)
                 reloadConfig(false);
             if (callback)
                 callback(true);