From daa0897ec9709b67da8a42ec5434c936d2f83506 Mon Sep 17 00:00:00 2001
From: Simon Howard
Date: Sun, 31 Mar 2013 19:32:49 +0000
Subject: Allow backspace or delete to clear the contents of an input box.

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 2574
---
 textscreen/txt_inputbox.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/textscreen/txt_inputbox.c b/textscreen/txt_inputbox.c
index da872c9c..13d35aef 100644
--- a/textscreen/txt_inputbox.c
+++ b/textscreen/txt_inputbox.c
@@ -216,6 +216,15 @@ static int TXT_InputBoxKeyPress(TXT_UNCAST_ARG(inputbox), int key)
             return 1;
         }
 
+        // Backspace or delete erases the contents of the box.
+
+        if ((key == KEY_DEL || key == KEY_BACKSPACE)
+         && inputbox->widget.widget_class == &txt_inputbox_class)
+        {
+            free(*((char **)inputbox->value));
+            *((char **) inputbox->value) = strdup("");
+        }
+
         return 0;
     }
 
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