From b4ec7a31e291c07a7c360f49df049fed1b99ef07 Mon Sep 17 00:00:00 2001
From: UnknownShadow200 <unknownshadow200@gmail.com>
Date: Wed, 10 Mar 2021 21:10:52 +1100
Subject: [PATCH] Webclient: Try to support mouse 4/5 presses, and also
 intercept clicking mouse4 closing the page

---
 src/Game.c   | 7 +++++--
 src/Window.c | 2 ++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/Game.c b/src/Game.c
index cad2ddf67..47aee8996 100644
--- a/src/Game.c
+++ b/src/Game.c
@@ -655,8 +655,11 @@ cc_bool Game_ShouldClose(void) {
 		/* Close if map was saved within last 5 seconds */
 		return World.LastSave + 5 >= Game.Time;
 	}
-	/* Intercept Ctrl+W or Cmd+W for multiplayer */
-	return !(Key_IsCtrlPressed() || Key_IsWinPressed());
+
+	/* Try to intercept Ctrl+W or Cmd+W for multiplayer */
+	if (Key_IsCtrlPressed() || Key_IsWinPressed()) return false;
+	/* Also try to intercept mouse back button (Mouse4) */
+	return !Input_Pressed[KEY_XBUTTON1];
 }
 #else
 static void Game_RunLoop(void) {
diff --git a/src/Window.c b/src/Window.c
index 07c2f0936..e282da676 100644
--- a/src/Window.c
+++ b/src/Window.c
@@ -2793,6 +2793,8 @@ static EM_BOOL OnMouseButton(int type, const EmscriptenMouseEvent* ev, void* dat
 		case 0: Input_Set(KEY_LMOUSE, down); break;
 		case 1: Input_Set(KEY_MMOUSE, down); break;
 		case 2: Input_Set(KEY_RMOUSE, down); break;
+		case 3: Input_Set(KEY_XBUTTON1, down); break;
+		case 4: Input_Set(KEY_XBUTTON2, down); break;
 	}
 
 	DeferredEnableRawMouse();