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List: linux-kbuild
Subject: [PATCH] mconf: mark empty menus/menuconfigs different form non-empty ones
From: Dirk Gouders <dirk () gouders ! net>
Date: 2013-05-17 10:28:12
Message-ID: 1368786492-23751-2-git-send-email-dirk () gouders ! net
[Download RAW message or body]
Submenus are sometimes empty and it would be nice if there is
be somethying that notifies us that we should not expect any
content _before_ we enter a submenu.
A new function menu_is_empty() was introduced and empty menus and
menuconfigs are now marked by "----" as opposed to non-empty
ones that are marked by "--->".
This scheme was suggested by "Yann E. MORIN" <yann.morin.1998@free.fr>.
Signed-off-by: Dirk Gouders <dirk@gouders.net>
---
scripts/kconfig/mconf.c | 20 ++++++++++++++------
scripts/kconfig/menu.c | 16 ++++++++++++++++
2 files changed, 30 insertions(+), 6 deletions(-)
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index ccb71ae..80b289c 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -48,7 +48,7 @@ static const char mconf_readme[] = N_(
"----------\n"
"o Use the Up/Down arrow keys (cursor keys) to highlight the item\n"
" you wish to change or submenu wish to select and press <Enter>.\n"
-" Submenus are designated by \"--->\".\n"
+" Submenus are designated by \"--->\", empty ones by \"----\".\n"
"\n"
" Shortcut: Press the option's highlighted letter (hotkey).\n"
" Pressing a hotkey more than once will sequence\n"
@@ -176,7 +176,7 @@ static const char mconf_readme[] = N_(
"\n"),
menu_instructions[] = N_(
"Arrow keys navigate the menu. "
- "<Enter> selects submenus --->. "
+ "<Enter> selects submenus ---> (or empty submenus ----). "
"Highlighted letters are hotkeys. "
"Pressing <Y> includes, <N> excludes, <M> modularizes features. "
"Press <Esc><Esc> to exit, <?> for Help, </> for Search. "
@@ -497,9 +497,14 @@ static void build_conf(struct menu *menu)
item_make("%s%*c%s",
menu->data ? "-->" : "++>",
indent + 1, ' ', prompt);
- } else
- item_make(" %*c%s --->", indent + 1, ' ', prompt);
-
+ } else {
+ if (menu_is_empty(menu))
+ item_make(" %*c%s ----",
+ indent + 1, ' ', prompt);
+ else
+ item_make(" %*c%s --->",
+ indent + 1, ' ', prompt);
+ }
item_set_tag('m');
item_set_data(menu);
if (single_menu_mode && menu->data)
@@ -630,7 +635,10 @@ static void build_conf(struct menu *menu)
(sym_has_value(sym) || !sym_is_changable(sym)) ?
"" : _(" (NEW)"));
if (menu->prompt->type == P_MENU) {
- item_add_str(" --->");
+ if (menu_is_empty(menu))
+ item_add_str(" ----");
+ else
+ item_add_str(" --->");
return;
}
}
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index b5c7d90..6d11c8f 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -430,6 +430,22 @@ bool menu_has_prompt(struct menu *menu)
return true;
}
+/*
+ * Determine if a menu is empty.
+ * A menu is considered empty if it contains no or only
+ * invisible entries.
+ */
+bool menu_is_empty(struct menu *menu)
+{
+ struct menu *child;
+
+ for (child = menu->list; child; child = child->next) {
+ if (menu_is_visible(child))
+ return(false);
+ }
+ return(true);
+}
+
bool menu_is_visible(struct menu *menu)
{
struct menu *child;
--
1.8.2.1
--
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