From 0e7329bd8275e46705a97a584c548a3998d08a25 Mon Sep 17 00:00:00 2001
From: Kyle Gospodnetich <me@kylegospodneti.ch>
Date: Fri, 9 Feb 2024 16:55:04 -0800
Subject: [PATCH] Add environment variable to disable touch gestures

Requested by some of our users due to them accidentally firing them off. Defaults to gestures enabled
---
 src/wlserver.cpp | 54 ++++++++++++++++++++++++++----------------------
 1 file changed, 29 insertions(+), 25 deletions(-)

diff --git a/src/wlserver.cpp b/src/wlserver.cpp
index e7fb7c9eb..31e0998a8 100644
--- a/src/wlserver.cpp
+++ b/src/wlserver.cpp
@@ -2048,34 +2048,38 @@ void wlserver_touchmotion( double x, double y, int touch_id, uint32_t time )
 
 		if ( get_effective_touch_mode() == WLSERVER_TOUCH_CLICK_PASSTHROUGH )
 		{
-			bool start_gesture = false;
 			wlr_seat_touch_notify_motion( wlserver.wlr.seat, time, touch_id, wlserver.mouse_surface_cursorx, wlserver.mouse_surface_cursory );
 
-			// Round the x-coordinate to the nearest whole number
-			uint32_t roundedCursorX = static_cast<int>(std::round(wlserver.mouse_surface_cursorx));
-			// Grab 2% of the display to be used for the edge range
-			double edge_range = g_nOutputWidth * 0.02;
-
-			// if the touch cursor x position is less or equal to the range then start the gesture for left to right
-			if (roundedCursorX <= edge_range) {
-				start_gesture = true;
-			}
-			// if the touch cursor x position is the output width minus the edge range value then we are doing right to left
-			if (roundedCursorX >= g_nOutputWidth - edge_range) {
-				start_gesture = true;
-			}
-			// when the gesture is started and we are moving to the end of the edge range open home
-			if (start_gesture && roundedCursorX >= 1 && roundedCursorX <= edge_range) {
-				wl_log.infof("Detected Home gesture");
-				wlserver_open_steam_menu(0);
-				start_gesture = false;
+			if(!getenv("GAMESCOPE_DISABLE_TOUCH_GESTURES")) {
+				bool start_gesture = false;
+	
+				// Round the x-coordinate to the nearest whole number
+				uint32_t roundedCursorX = static_cast<int>(std::round(wlserver.mouse_surface_cursorx));
+				// Grab 2% of the display to be used for the edge range
+				double edge_range = g_nOutputWidth * 0.02;
+	
+				// if the touch cursor x position is less or equal to the range then start the gesture for left to right
+				if (roundedCursorX <= edge_range) {
+					start_gesture = true;
+				}
+				// if the touch cursor x position is the output width minus the edge range value then we are doing right to left
+				if (roundedCursorX >= g_nOutputWidth - edge_range) {
+					start_gesture = true;
+				}
+				// when the gesture is started and we are moving to the end of the edge range open home
+				if (start_gesture && roundedCursorX >= 1 && roundedCursorX <= edge_range) {
+					wl_log.infof("Detected Home gesture");
+					wlserver_open_steam_menu(0);
+					start_gesture = false;
+				}
+				// when the gesture is started and we are moving from the output width minus the edge range to the output width open QAM
+				if (start_gesture && roundedCursorX >= g_nOutputWidth - edge_range && roundedCursorX <= g_nOutputWidth ) {
+					wl_log.infof("Detected QAM gesture");
+					wlserver_open_steam_menu(1);
+					start_gesture = false;
+				}
 			}
-			// when the gesture is started and we are moving from the output width minus the edge range to the output width open QAM
-			if (start_gesture && roundedCursorX >= g_nOutputWidth - edge_range && roundedCursorX <= g_nOutputWidth ) {
-				wl_log.infof("Detected QAM gesture");
-				wlserver_open_steam_menu(1);
-				start_gesture = false;
-			}		}
+		}
 		else if ( get_effective_touch_mode() == WLSERVER_TOUCH_CLICK_DISABLED )
 		{
 			return;