From 8adb9768855f7b30cac1873c4e853bec651ceabc Mon Sep 17 00:00:00 2001
From: Miciah Dashiel Butler Masters <miciah@myrealbox.com>
Date: Fri, 14 Apr 2006 21:55:42 +0000
Subject: [PATCH] Add backspace-prefix to the main map, to backspace the last
 entered digit of the prefix.

---
 src/config/actions-main.inc |  1 +
 src/config/kbdbind.c        |  1 +
 src/viewer/action.c         | 21 +++++++++++++++++++++
 3 files changed, 23 insertions(+)

diff --git a/src/config/actions-main.inc b/src/config/actions-main.inc
index a8a76c964..9626c9dd5 100644
--- a/src/config/actions-main.inc
+++ b/src/config/actions-main.inc
@@ -10,6 +10,7 @@ ACTION_(MAIN, "add-bookmark", ADD_BOOKMARK, N__("Add a new bookmark"), ACTION_RE
 ACTION_(MAIN, "add-bookmark-link", ADD_BOOKMARK_LINK, N__("Add a new bookmark using current link"), ACTION_RESTRICT_ANONYMOUS | ACTION_JUMP_TO_LINK | ACTION_REQUIRE_LINK),
 ACTION_(MAIN, "add-bookmark-tabs", ADD_BOOKMARK_TABS, N__("Bookmark all open tabs"), ACTION_RESTRICT_ANONYMOUS),
 ACTION_(MAIN, "auth-manager", AUTH_MANAGER, N__("Open authentication manager"), 0),
+ACTION_(MAIN, "backspace-prefix", BACKSPACE_PREFIX, N__("Backspace the last entered digit of the current prefix"), ACTION_REQUIRE_VIEW_STATE),
 ACTION_(MAIN, "bookmark-manager", BOOKMARK_MANAGER, N__("Open bookmark manager"), 0),
 ACTION_(MAIN, "cache-manager", CACHE_MANAGER, N__("Open cache manager"), 0),
 ACTION_(MAIN, "cache-minimize", CACHE_MINIMIZE, N__("Free unused cache entries"), 0),
diff --git a/src/config/kbdbind.c b/src/config/kbdbind.c
index 936dfb0b0..0a3e8ebaf 100644
--- a/src/config/kbdbind.c
+++ b/src/config/kbdbind.c
@@ -660,6 +660,7 @@ static struct default_kb default_main_keymap[] = {
 	{ { '{',	 KBD_MOD_NONE }, ACT_MAIN_SCROLL_LEFT },
 	{ { '|',	 KBD_MOD_NONE }, ACT_MAIN_HEADER_INFO },
 	{ { '}',	 KBD_MOD_NONE }, ACT_MAIN_SCROLL_RIGHT },
+	{ { KBD_BS,	 KBD_MOD_NONE }, ACT_MAIN_BACKSPACE_PREFIX },
 	{ { KBD_DEL,	 KBD_MOD_NONE }, ACT_MAIN_SCROLL_DOWN },
 	{ { KBD_DOWN,	 KBD_MOD_NONE }, ACT_MAIN_MOVE_LINK_NEXT },
 	{ { KBD_END,	 KBD_MOD_NONE }, ACT_MAIN_MOVE_DOCUMENT_END },
diff --git a/src/viewer/action.c b/src/viewer/action.c
index 673186ac3..3089a19f1 100644
--- a/src/viewer/action.c
+++ b/src/viewer/action.c
@@ -127,6 +127,27 @@ do_action(struct session *ses, enum main_action action_id, int verbose)
 			auth_manager(ses);
 			break;
 
+		case ACT_MAIN_BACKSPACE_PREFIX:
+
+			if (!ses->kbdprefix.repeat_count) break;
+
+			/* Clear the highlighting. */
+			draw_formatted(ses, 0);
+
+			ses->kbdprefix.repeat_count /= 10;
+
+			if (ses->kbdprefix.repeat_count)
+				highlight_links_with_prefixes_that_start_with_n(
+			                           term, doc_view,
+			                           ses->kbdprefix.repeat_count);
+
+			print_screen_status(ses);
+
+			/* Keep send_event from resetting repeat_count. */
+			status = FRAME_EVENT_SESSION_DESTROYED;
+
+			break;
+
 		case ACT_MAIN_BOOKMARK_MANAGER:
 #ifdef CONFIG_BOOKMARKS
 			bookmark_manager(ses);