From eb86e7967f7d218a7c9412e484473fd578dbf64c Mon Sep 17 00:00:00 2001
From: vaxerski <43317083+vaxerski@users.noreply.github.com>
Date: Mon, 21 Nov 2022 23:26:18 +0000
Subject: add scroll_button libinput opt

---
 src/config/ConfigManager.cpp        | 2 ++
 src/managers/input/InputManager.cpp | 6 +++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/config/ConfigManager.cpp b/src/config/ConfigManager.cpp
index 83ecd3f4..ec87ef20 100644
--- a/src/config/ConfigManager.cpp
+++ b/src/config/ConfigManager.cpp
@@ -142,6 +142,7 @@ void CConfigManager::setDefaultVars() {
     configValues["input:float_switch_override_focus"].intValue = 1;
     configValues["input:left_handed"].intValue = 0;
     configValues["input:scroll_method"].strValue = STRVAL_EMPTY;
+    configValues["input:scroll_button"].intValue = 0;
     configValues["input:touchpad:natural_scroll"].intValue = 0;
     configValues["input:touchpad:disable_while_typing"].intValue = 1;
     configValues["input:touchpad:clickfinger_behavior"].intValue = 0;
@@ -193,6 +194,7 @@ void CConfigManager::setDeviceDefaultVars(const std::string& dev) {
     cfgValues["drag_lock"].intValue = 0;
     cfgValues["left_handed"].intValue = 0;
     cfgValues["scroll_method"].strValue = STRVAL_EMPTY;
+    cfgValues["scroll_button"].intValue = 0;
     cfgValues["touch_transform"].intValue = 0;
     cfgValues["touch_output"].strValue = STRVAL_EMPTY;
     cfgValues["enabled"].intValue = 1; // only for mice / touchpads
diff --git a/src/managers/input/InputManager.cpp b/src/managers/input/InputManager.cpp
index 24bab360..17a67020 100644
--- a/src/managers/input/InputManager.cpp
+++ b/src/managers/input/InputManager.cpp
@@ -779,7 +779,11 @@ void CInputManager::setPointerConfigs() {
                 libinput_device_config_accel_set_profile(LIBINPUTDEV, LIBINPUT_CONFIG_ACCEL_PROFILE_FLAT);
             } else {
                 Debug::log(WARN, "Unknown acceleration profile, falling back to default");
-            } 
+            }
+
+            const auto SCROLLBUTTON = HASCONFIG ? g_pConfigManager->getDeviceInt(devname, "scroll_button") : g_pConfigManager->getInt("input:scroll_button");
+
+            libinput_device_config_scroll_set_button(LIBINPUTDEV, SCROLLBUTTON == 0 ? libinput_device_config_scroll_get_default_button(LIBINPUTDEV) : SCROLLBUTTON);
 
             Debug::log(LOG, "Applied config to mouse %s, sens %.2f", m.name.c_str(), LIBINPUTSENS);
         }
-- 
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