--- previous/src/gui-sdl/dlgFileSelect.c	2018/04/24 19:26:14	1.1.1.2
+++ previous/src/gui-sdl/dlgFileSelect.c	2018/04/24 19:34:40	1.1.1.4
@@ -295,15 +295,16 @@ static void DlgFileSelect_ManageScrollba
     oldMouseY = y;
     
     /* Verifiy if scrollbar is in correct inferior boundary */
-    if (scrollbar_Ypos < 0)
-        scrollbar_Ypos = 0.0;
+    if (scrollbar_Ypos < 0) {
+        scrollbar_Ypos = 0.0;		
+	}
 
-        /* Verifiy if scrollbar is in correct superior boundary */
-        b = (int) (scrollbar_Ypos * ((float)entries/(float)(SGFS_NUMENTRIES-2)) + 0.5);
-        if (b+SGFS_NUMENTRIES >= entries) {
-            ypos = entries - SGFS_NUMENTRIES;
-            DlgFileSelect_Convert_ypos_to_scrollbar_Ypos();
-            }
+	/* Verifiy if scrollbar is in correct superior boundary */
+	b = (int) (scrollbar_Ypos * ((float)entries/(float)(SGFS_NUMENTRIES-2)) + 0.5);
+	if (b+SGFS_NUMENTRIES >= entries) {
+		ypos = entries - SGFS_NUMENTRIES;
+		DlgFileSelect_Convert_ypos_to_scrollbar_Ypos();
+		}
 
     refreshentries = true;			
 }
@@ -318,12 +319,12 @@ static void DlgFileSelect_HandleSdlEvent
 	int oldypos = ypos;
 	switch (pEvent->type)
 	{
-	 case SDL_MOUSEBUTTONDOWN:
-		if (pEvent->button.button == SDL_BUTTON_WHEELUP)
-			DlgFileSelect_ScrollUp();
-		else if (pEvent->button.button == SDL_BUTTON_WHEELDOWN)
-			DlgFileSelect_ScrollDown();
-		break;
+    case SDL_MOUSEWHEEL:
+        if (pEvent->wheel.y>0)
+            DlgFileSelect_ScrollUp();
+        else if (pEvent->wheel.y<0)
+            DlgFileSelect_ScrollDown();
+        break;
 	 case SDL_KEYDOWN:
 		switch (pEvent->key.keysym.sym)
 		{
@@ -874,3 +875,39 @@ bool SDLGui_FileConfSelect(char *dlgname
 	}
 	return false;
 }
+
+
+/*-----------------------------------------------------------------------*/
+/**
+ * Let user browse for a directory, confname is used as default.
+ *
+ * If no directory is selected, or there's some problem with it,
+ * return false and clear dlgname & confname.
+ * Otherwise return true, set dlgname & confname to the directory name
+ * (dlgname is shrinked & limited to maxlen and confname is assumed
+ * to have FILENAME_MAX amount of space).
+ */
+
+bool SDLGui_DirectorySelect(char *dlgname, char *confname, int maxlen)
+{
+    char *selname;
+    
+    selname = SDLGui_FileSelect(confname, NULL, false);
+    if (selname)
+    {
+        File_MakeValidPathName(selname);
+        
+        if (File_DirExists(selname))
+        {
+            strncpy(confname, selname, FILENAME_MAX);
+            File_ShrinkName(dlgname, selname, maxlen);
+        }
+        else
+        {
+            dlgname[0] = confname[0] = 0;
+        }
+        free(selname);
+        return true;
+    }
+    return false;
+}