From 0c10b8ab2dad9851b00c0e99bb1fde3f01d5478c Mon Sep 17 00:00:00 2001
From: Mihai Fufezan <fufexan@protonmail.com>
Date: Sun, 10 Dec 2023 18:30:08 +0200
Subject: input: Add scroll_points option for device (#4101)

---
 src/managers/input/InputManager.cpp | 31 ++++++++++++++++++++++++-------
 1 file changed, 24 insertions(+), 7 deletions(-)

(limited to 'src/managers/input/InputManager.cpp')

diff --git a/src/managers/input/InputManager.cpp b/src/managers/input/InputManager.cpp
index 21c9435d..284b4da6 100644
--- a/src/managers/input/InputManager.cpp
+++ b/src/managers/input/InputManager.cpp
@@ -1066,23 +1066,40 @@ void CInputManager::setPointerConfigs() {
             libinput_device_config_accel_set_speed(LIBINPUTDEV, LIBINPUTSENS);
 
             const auto ACCELPROFILE = g_pConfigManager->getDeviceString(devname, "accel_profile", "input:accel_profile");
+            const auto SCROLLPOINTS = g_pConfigManager->getDeviceString(devname, "scroll_points", "input:scroll_points");
 
-            if (ACCELPROFILE == "") {
+            if (ACCELPROFILE.empty()) {
                 libinput_device_config_accel_set_profile(LIBINPUTDEV, libinput_device_config_accel_get_default_profile(LIBINPUTDEV));
             } else if (ACCELPROFILE == "adaptive") {
                 libinput_device_config_accel_set_profile(LIBINPUTDEV, LIBINPUT_CONFIG_ACCEL_PROFILE_ADAPTIVE);
             } else if (ACCELPROFILE == "flat") {
                 libinput_device_config_accel_set_profile(LIBINPUTDEV, LIBINPUT_CONFIG_ACCEL_PROFILE_FLAT);
             } else if (ACCELPROFILE.starts_with("custom")) {
-                CVarList args = {ACCELPROFILE, 0, ' '};
+                CVarList accelValues = {ACCELPROFILE, 0, ' '};
+
                 try {
-                    double              step = std::stod(args[1]);
-                    std::vector<double> points;
-                    for (size_t i = 2; i < args.size(); ++i)
-                        points.push_back(std::stod(args[i]));
+                    double              accelStep = std::stod(accelValues[1]);
+                    std::vector<double> accelPoints;
+                    for (size_t i = 2; i < accelValues.size(); ++i) {
+                        accelPoints.push_back(std::stod(accelValues[i]));
+                    }
 
                     const auto CONFIG = libinput_config_accel_create(LIBINPUT_CONFIG_ACCEL_PROFILE_CUSTOM);
-                    libinput_config_accel_set_points(CONFIG, LIBINPUT_ACCEL_TYPE_MOTION, step, points.size(), points.data());
+
+                    if (!SCROLLPOINTS.empty()) {
+                        CVarList scrollValues = {SCROLLPOINTS, 0, ' '};
+                        try {
+                            double              scrollStep = std::stod(scrollValues[0]);
+                            std::vector<double> scrollPoints;
+                            for (size_t i = 1; i < scrollValues.size(); ++i) {
+                                scrollPoints.push_back(std::stod(scrollValues[i]));
+                            }
+
+                            libinput_config_accel_set_points(CONFIG, LIBINPUT_ACCEL_TYPE_SCROLL, scrollStep, scrollPoints.size(), scrollPoints.data());
+                        } catch (std::exception& e) { Debug::log(ERR, "Invalid values in scroll_points"); }
+                    }
+
+                    libinput_config_accel_set_points(CONFIG, LIBINPUT_ACCEL_TYPE_MOTION, accelStep, accelPoints.size(), accelPoints.data());
                     libinput_device_config_accel_apply(LIBINPUTDEV, CONFIG);
                     libinput_config_accel_destroy(CONFIG);
                 } catch (std::exception& e) { Debug::log(ERR, "Invalid values in custom accel profile"); }
-- 
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