From d05b8805325c2d1836c1a60280bb097340bbd03f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Andr=C3=A9=20Tanner?= <mat@brain-dump.org>
Date: Sun, 11 Oct 2015 23:05:16 +0200
Subject: vis: properly ignore tab at command prompt

Closes #77
---
 config.def.h | 8 +++++++-
 vis.c        | 6 ++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/config.def.h b/config.def.h
index e84629e..a7c8c13 100644
--- a/config.def.h
+++ b/config.def.h
@@ -222,6 +222,7 @@ enum {
 	VIS_ACTION_TEXT_OBJECT_LINE_INNER,
 	VIS_ACTION_MOTION_CHARWISE,
 	VIS_ACTION_MOTION_LINEWISE,
+	VIS_ACTION_NOP,
 };
 
 static KeyAction vis_action[] = {
@@ -985,6 +986,11 @@ static KeyAction vis_action[] = {
 		"Force motion to be linewise",
 		motiontype, { .i = LINEWISE }
 	},
+	[VIS_ACTION_NOP] = {
+		"nop",
+		"Ignore key, do nothing",
+		nop,
+	},
 };
 
 static KeyBinding basic_movement[] = {
@@ -1299,7 +1305,7 @@ static KeyBinding vis_mode_prompt[] = {
 	{ "<Backspace>",    ACTION(PROMPT_BACKSPACE)                    },
 	{ "<Enter>",        ACTION(PROMPT_ENTER)                        },
 	{ "<C-j>",          ALIAS("<Enter>")                            },
-	{ "<Tab>",                                                      },
+	{ "<Tab>",          ACTION(NOP)                                 },
 	{ /* empty last element, array terminator */                    },
 };
 
diff --git a/vis.c b/vis.c
index 44aa733..351ad54 100644
--- a/vis.c
+++ b/vis.c
@@ -301,6 +301,8 @@ static TextObject textobjs[] = {
 };
 
 /** functions to be called from keybindings */
+/* ignore key, do nothing */
+static const char *nop(const char *keys, const Arg *arg);
 /* navigate jump list either in forward (arg->i>0) or backward (arg->i<0) direction */
 static const char *jumplist(const char *keys, const Arg *arg);
 /* navigate change list either in forward (arg->i>0) or backward (arg->i<0) direction */
@@ -782,6 +784,10 @@ static size_t view_lines_bottom(const Arg *arg) {
 
 /** key bindings functions */
 
+static const char *nop(const char *keys, const Arg *arg) {
+	return keys;
+}
+
 static const char *jumplist(const char *keys, const Arg *arg) {
 	size_t pos;
 	if (arg->i > 0)
-- 
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