From e4733449fd094c403bb85d747eae49dcf8c01bdc Mon Sep 17 00:00:00 2001
From: terminx <terminx@1a8010ca-5511-0410-912e-c29ae57300e0>
Date: Sun, 6 Jul 2014 00:11:01 +0000
Subject: [PATCH] Add support for pressing backspace to go up one dir in the
 file selector in Mapster32

git-svn-id: https://svn.eduke32.com/eduke32@4531 1a8010ca-5511-0410-912e-c29ae57300e0
---
 polymer/eduke32/build/src/build.c | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/polymer/eduke32/build/src/build.c b/polymer/eduke32/build/src/build.c
index 8aae57e49..5f77a803c 100644
--- a/polymer/eduke32/build/src/build.c
+++ b/polymer/eduke32/build/src/build.c
@@ -9437,6 +9437,7 @@ static int32_t menuselect(void)
         keystatus[0xc8] = 0;
         keystatus[0xd0] = 0;
         keystatus[0x1c] = 0;	//enter
+        keystatus[0x0e] = 0;    //backspace
         keystatus[0xf] = 0;		//tab
         keystatus[1] = 0;		//esc
         ch = 0;                      //Interesting fakery of ch = getch()
@@ -9574,6 +9575,14 @@ static int32_t menuselect(void)
                     findfileshigh = findfileshigh->next;
             }
         }
+        else if (keystatus[0x0e]) // backspace
+        {
+            Bstrcat(selectedboardfilename, "../");
+            tweak_sboardfilename();
+            Bstrcpy(g_oldpath, selectedboardfilename);
+            getfilenames(selectedboardfilename, "*.map");
+            keystatus[0x0e] = 0;
+        }
         else if (ch == 13 && currentlist == 0)
         {
             if (finddirshigh->type == CACHE1D_FIND_DRIVE)
@@ -9587,7 +9596,14 @@ static int32_t menuselect(void)
             Bstrcpy(g_oldpath, selectedboardfilename);
             //printf("Changing directories to: %s\n", selectedboardfilename);
 
-            getfilenames(selectedboardfilename, "*.map");
+            if (finddirshigh == fnlist.finddirs)
+            {
+                getfilenames(selectedboardfilename, "*.map");
+                currentlist = 0;
+            }
+            else getfilenames(selectedboardfilename, "*.map");;
+
+            
             ch = 0;
 
             begindrawing();