make history expansion an option (switched off by default)

1 files changed, 16 insertions, 0 deletions

diff --git a/src/actions.c b/src/actions.c
index 702c419..120d106 100644
--- a/src/actions.c
+++ b/src/actions.c
@@ -74,6 +74,7 @@ static cmdret * set_infofmt (struct cmdarg **args);
 static cmdret * set_topkmap (struct cmdarg **args);
 static cmdret * set_historysize (struct cmdarg **args);
 static cmdret * set_historycompaction (struct cmdarg **args);
+static cmdret * set_historyexpansion (struct cmdarg **args);
 
 LIST_HEAD(set_vars);
 
@@ -142,6 +143,7 @@ init_set_vars(void)
   add_set_var ("topkmap", set_topkmap, 1, "", arg_STRING);
   add_set_var ("historysize", set_historysize, 1, "", arg_NUMBER);
   add_set_var ("historycompaction", set_historycompaction, 1, "", arg_NUMBER);
+  add_set_var ("historyexpansion", set_historyexpansion, 1, "", arg_NUMBER);
 }
 
 /* rp_keymaps is ratpoison's list of keymaps. */
@@ -3605,6 +3607,20 @@ set_historycompaction (struct cmdarg **args)
 }
 
 static cmdret *
+set_historyexpansion (struct cmdarg **args)
+{
+  if (args[0] == NULL)
+    return cmdret_new (RET_SUCCESS, "%d", defaults.history_expansion);
+#ifndef HAVE_HISTORY
+  if (ARG(0, number)) {
+    return cmdret_new (RET_FAILURE, "Not compiled with libhistory");
+  }
+#endif
+  defaults.history_expansion = ARG(0, number);
+  return cmdret_new (RET_SUCCESS, NULL);
+}
+
+static cmdret *
 set_font (struct cmdarg **args)
 {
 #ifdef USE_XFT_FONT