From 9a69abf80edf2ea0dac058cab156879d29362788 Mon Sep 17 00:00:00 2001 From: Benjamin Poirier Date: Tue, 16 Apr 2013 10:07:23 -0400 Subject: menuconfig: Add "breadcrumbs" navigation aid Displays a trail of the menu entries used to get to the current menu. Signed-off-by: Benjamin Poirier Tested-by: "Yann E. MORIN" [yann.morin.1998@free.fr: small, trivial code re-ordering] Signed-off-by: "Yann E. MORIN" --- scripts/kconfig/mconf.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 70 insertions(+), 1 deletion(-) (limited to 'scripts/kconfig/mconf.c') diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c index c5418d622a05..387dc8daf7b2 100644 --- a/scripts/kconfig/mconf.c +++ b/scripts/kconfig/mconf.c @@ -311,6 +311,50 @@ static void set_config_filename(const char *config_filename) filename[sizeof(filename)-1] = '\0'; } +struct subtitle_part { + struct list_head entries; + const char *text; +}; +static LIST_HEAD(trail); + +static struct subtitle_list *subtitles; +static void set_subtitle(void) +{ + struct subtitle_part *sp; + struct subtitle_list *pos, *tmp; + + for (pos = subtitles; pos != NULL; pos = tmp) { + tmp = pos->next; + free(pos); + } + + subtitles = NULL; + list_for_each_entry(sp, &trail, entries) { + if (sp->text) { + if (pos) { + pos->next = xcalloc(sizeof(*pos), 1); + pos = pos->next; + } else { + subtitles = pos = xcalloc(sizeof(*pos), 1); + } + pos->text = sp->text; + } + } + + set_dialog_subtitles(subtitles); +} + +static void reset_subtitle(void) +{ + struct subtitle_list *pos, *tmp; + + for (pos = subtitles; pos != NULL; pos = tmp) { + tmp = pos->next; + free(pos); + } + subtitles = NULL; + set_dialog_subtitles(subtitles); +} struct search_data { struct list_head *head; @@ -353,6 +397,8 @@ static void search_conf(void) char *dialog_input; int dres, vscroll = 0, hscroll = 0; bool again; + struct gstr sttext; + struct subtitle_part stpart; title = str_new(); str_printf( &title, _("Enter %s (sub)string to search for " @@ -379,6 +425,11 @@ again: if (strncasecmp(dialog_input_result, CONFIG_, strlen(CONFIG_)) == 0) dialog_input += strlen(CONFIG_); + sttext = str_new(); + str_printf(&sttext, "Search (%s)", dialog_input_result); + stpart.text = str_get(&sttext); + list_add_tail(&stpart.entries, &trail); + sym_arr = sym_re_search(dialog_input); do { LIST_HEAD(head); @@ -392,6 +443,7 @@ again: struct jump_key *pos, *tmp; res = get_relations_str(sym_arr, &head); + set_subtitle(); dres = show_textbox_ext(_("Search Results"), (char *) str_get(&res), 0, 0, keys, &vscroll, &hscroll, &update_text, (void *) @@ -408,6 +460,8 @@ again: } while (again); free(sym_arr); str_free(&title); + list_del(trail.prev); + str_free(&sttext); } static void build_conf(struct menu *menu) @@ -592,16 +646,24 @@ static void conf(struct menu *menu, struct menu *active_menu) { struct menu *submenu; const char *prompt = menu_get_prompt(menu); + struct subtitle_part stpart; struct symbol *sym; int res; int s_scroll = 0; + if (menu != &rootmenu) + stpart.text = menu_get_prompt(menu); + else + stpart.text = NULL; + list_add_tail(&stpart.entries, &trail); + while (1) { item_reset(); current_menu = menu; build_conf(menu); if (!child_count) break; + set_subtitle(); dialog_clear(); res = dialog_menu(prompt ? _(prompt) : _("Main Menu"), _(menu_instructions), @@ -643,13 +705,17 @@ static void conf(struct menu *menu, struct menu *active_menu) case 2: if (sym) show_help(submenu); - else + else { + reset_subtitle(); show_helptext(_("README"), _(mconf_readme)); + } break; case 3: + reset_subtitle(); conf_save(); break; case 4: + reset_subtitle(); conf_load(); break; case 5: @@ -682,6 +748,8 @@ static void conf(struct menu *menu, struct menu *active_menu) break; } } + + list_del(trail.prev); } static int show_textbox_ext(const char *title, char *text, int r, int c, int @@ -884,6 +952,7 @@ static int handle_exit(void) int res; save_and_exit = 1; + reset_subtitle(); dialog_clear(); if (conf_get_changed()) res = dialog_yesno(NULL, -- cgit v1.2.3