From 6e80288d30f0fce8254871dd5cd99570bc670768 Mon Sep 17 00:00:00 2001
From: elexis <elexis@wildfiregames.com>
Date: Mon, 14 Dec 2015 03:12:26 +0000
Subject: [PATCH] Add a chat-command to clear all messages. Works for lobby,
 gamesetup and session. Patch by ruiRanger, fixes #3396.

This was SVN commit r17465.
---
 binaries/data/mods/public/gui/common/functions_utility.js | 6 ++++++
 binaries/data/mods/public/gui/common/network.js           | 4 ++++
 binaries/data/mods/public/gui/lobby/lobby.js              | 3 +++
 3 files changed, 13 insertions(+)

diff --git a/binaries/data/mods/public/gui/common/functions_utility.js b/binaries/data/mods/public/gui/common/functions_utility.js
index 897fd7a043..6d804f3056 100644
--- a/binaries/data/mods/public/gui/common/functions_utility.js
+++ b/binaries/data/mods/public/gui/common/functions_utility.js
@@ -230,3 +230,9 @@ function autoCompleteNick(guiName, playerList)
 	input.caption = newText + text.substring(bufferPosition);
 	input.buffer_position = bufferPosition + (newText.length - textTillBufferPosition.length);
 }
+
+function clearChatMessages()
+{
+	g_ChatMessages.length = 0;
+	Engine.GetGUIObjectByName("chatText").caption = "";
+}
diff --git a/binaries/data/mods/public/gui/common/network.js b/binaries/data/mods/public/gui/common/network.js
index 68d92e8da7..e5918e6d84 100644
--- a/binaries/data/mods/public/gui/common/network.js
+++ b/binaries/data/mods/public/gui/common/network.js
@@ -84,6 +84,10 @@ function executeNetworkCommand(input)
 		if (!Engine.KickPlayer(argument, true))
 			addChatMessage({ "type": "system", "text": sprintf(translate("Could not ban %(name)s."), { "name": argument }) });
 		return true;
+
+	case "/clear":
+		clearChatMessages();
+		return true;
 	}
 	return false;
 }
diff --git a/binaries/data/mods/public/gui/lobby/lobby.js b/binaries/data/mods/public/gui/lobby/lobby.js
index cf6922b0bd..d857f94926 100644
--- a/binaries/data/mods/public/gui/lobby/lobby.js
+++ b/binaries/data/mods/public/gui/lobby/lobby.js
@@ -688,6 +688,9 @@ function handleSpecialCommand(text)
 	case "quit":
 		returnToMainMenu();
 		break;
+	case "clear":
+		clearChatMessages();
+		break;
 	case "say":
 	case "me":
 		return false;