From 18aa9d447d72b7b0c6be75d2d8e744431c2c80db Mon Sep 17 00:00:00 2001
From: Freddy <schro.sb@gmail.com>
Date: Sun, 5 Jan 2020 22:14:10 +0100
Subject: [PATCH] TextBox: properly delete buffer

---
 qcsrc/menu/xonotic/textbox.qc | 21 ++++++++++++++++++++-
 qcsrc/menu/xonotic/textbox.qh |  1 +
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/qcsrc/menu/xonotic/textbox.qc b/qcsrc/menu/xonotic/textbox.qc
index 4e6817d37..efad0e8ea 100644
--- a/qcsrc/menu/xonotic/textbox.qc
+++ b/qcsrc/menu/xonotic/textbox.qc
@@ -8,8 +8,23 @@ entity makeXonoticTextBox()
 	return me;
 }
 
+void XonoticTextBox_destroy(entity me)
+{
+    if (me.stringList >= 0)
+    {
+        buf_del(me.stringList);
+        me.stringList = -1;
+    }
+}
+
 void XonoticTextBox_setText(entity me, string text)
 {
+    if (me.stringList >= 0)
+    {
+        buf_del(me.stringList);
+        me.stringList = -1;
+    }
+
 	int buf;
     int line = 0;
 
@@ -34,7 +49,11 @@ void XonoticTextBox_setText(entity me, string text)
 
 string XonoticTextBox_getTextBoxContent(entity me, int i)
 {
-	return bufstr_get(me.stringList, i);
+    if (me.stringList >= 0)
+    {
+	    return bufstr_get(me.stringList, i);
+    }
+    return string_null;
 }
 
 // mostly copied from playerlist
diff --git a/qcsrc/menu/xonotic/textbox.qh b/qcsrc/menu/xonotic/textbox.qh
index 323a9bb2b..4f8c6633c 100644
--- a/qcsrc/menu/xonotic/textbox.qh
+++ b/qcsrc/menu/xonotic/textbox.qh
@@ -4,6 +4,7 @@
 
 // slightly hacky multiline textbox with scrollbar
 CLASS(XonoticTextBox, XonoticListBox)
+    METHOD(XonoticTextBox, destroy, void(entity));
 	ATTRIB(XonoticTextBox, rowsPerItem, float, 1);
 	METHOD(XonoticTextBox, resizeNotify, void(entity, vector, vector, vector, vector));
 	METHOD(XonoticTextBox, drawListBoxItem, void(entity, int, vector, bool, bool));
-- 
2.39.2