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Diffstat (limited to 'scripts/kconfig/mconf.c')
-rw-r--r--scripts/kconfig/mconf.c123
1 files changed, 96 insertions, 27 deletions
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index f584a281bb4c..48f67448af7b 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -236,16 +236,19 @@ search_help[] = N_(
 	"Result:\n"
 	"-----------------------------------------------------------------\n"
 	"Symbol: FOO [=m]\n"
+	"Type  : tristate\n"
 	"Prompt: Foo bus is used to drive the bar HW\n"
-	"Defined at drivers/pci/Kconfig:47\n"
-	"Depends on: X86_LOCAL_APIC && X86_IO_APIC || IA64\n"
-	"Location:\n"
-	"  -> Bus options (PCI, PCMCIA, EISA, ISA)\n"
-	"    -> PCI support (PCI [=y])\n"
-	"      -> PCI access mode (<choice> [=y])\n"
-	"Selects: LIBCRC32\n"
-	"Selected by: BAR\n"
+	"  Defined at drivers/pci/Kconfig:47\n"
+	"  Depends on: X86_LOCAL_APIC && X86_IO_APIC || IA64\n"
+	"  Location:\n"
+	"    -> Bus options (PCI, PCMCIA, EISA, ISA)\n"
+	"      -> PCI support (PCI [=y])\n"
+	"(1)     -> PCI access mode (<choice> [=y])\n"
+	"  Selects: LIBCRC32\n"
+	"  Selected by: BAR\n"
 	"-----------------------------------------------------------------\n"
+	"o The line 'Type:' shows the type of the configuration option for\n"
+	"  this symbol (boolean, tristate, string, ...)\n"
 	"o The line 'Prompt:' shows the text used in the menu structure for\n"
 	"  this symbol\n"
 	"o The 'Defined at' line tell at what file / line number the symbol\n"
@@ -254,8 +257,12 @@ search_help[] = N_(
 	"  this symbol to be visible in the menu (selectable)\n"
 	"o The 'Location:' lines tell where in the menu structure this symbol\n"
 	"  is located\n"
-	"    A location followed by a [=y] indicate that this is a selectable\n"
-	"    menu item - and current value is displayed inside brackets.\n"
+	"    A location followed by a [=y] indicates that this is a\n"
+	"    selectable menu item - and the current value is displayed inside\n"
+	"    brackets.\n"
+	"    Press the key in the (#) prefix to jump directly to that\n"
+	"    location. You will be returned to the current search results\n"
+	"    after exiting this new menu.\n"
 	"o The 'Selects:' line tell what symbol will be automatically\n"
 	"  selected if this symbol is selected (y or m)\n"
 	"o The 'Selected by' line tell what symbol has selected this symbol\n"
@@ -273,13 +280,15 @@ static struct menu *current_menu;
 static int child_count;
 static int single_menu_mode;
 static int show_all_options;
-static int saved_x, saved_y;
 
-static void conf(struct menu *menu);
+static void conf(struct menu *menu, struct menu *active_menu);
 static void conf_choice(struct menu *menu);
 static void conf_string(struct menu *menu);
 static void conf_load(void);
 static void conf_save(void);
+static int show_textbox_ext(const char *title, char *text, int r, int c,
+			    int *keys, int *vscroll, int *hscroll,
+			    update_text_fn update_text, void *data);
 static void show_textbox(const char *title, const char *text, int r, int c);
 static void show_helptext(const char *title, const char *text);
 static void show_help(struct menu *menu);
@@ -302,12 +311,47 @@ static void set_config_filename(const char *config_filename)
 }
 
 
+struct search_data {
+	struct jk_head *head;
+	struct menu **targets;
+	int *keys;
+};
+
+static void update_text(char *buf, size_t start, size_t end, void *_data)
+{
+	struct search_data *data = _data;
+	struct jump_key *pos;
+	int k = 0;
+
+	CIRCLEQ_FOREACH(pos, data->head, entries) {
+		if (pos->offset >= start && pos->offset < end) {
+			char header[4];
+
+			if (k < JUMP_NB) {
+				int key = '0' + (pos->index % JUMP_NB) + 1;
+
+				sprintf(header, "(%c)", key);
+				data->keys[k] = key;
+				data->targets[k] = pos->target;
+				k++;
+			} else {
+				sprintf(header, "   ");
+			}
+
+			memcpy(buf + pos->offset, header, sizeof(header) - 1);
+		}
+	}
+	data->keys[k] = 0;
+}
+
 static void search_conf(void)
 {
 	struct symbol **sym_arr;
 	struct gstr res;
 	char *dialog_input;
-	int dres;
+	int dres, vscroll = 0, hscroll = 0;
+	bool again;
+
 again:
 	dialog_clear();
 	dres = dialog_inputbox(_("Search Configuration Parameter"),
@@ -330,10 +374,30 @@ again:
 		dialog_input += strlen(CONFIG_);
 
 	sym_arr = sym_re_search(dialog_input);
-	res = get_relations_str(sym_arr);
+	do {
+		struct jk_head head = CIRCLEQ_HEAD_INITIALIZER(head);
+		struct menu *targets[JUMP_NB];
+		int keys[JUMP_NB + 1], i;
+		struct search_data data = {
+			.head = &head,
+			.targets = targets,
+			.keys = keys,
+		};
+
+		res = get_relations_str(sym_arr, &head);
+		dres = show_textbox_ext(_("Search Results"), (char *)
+					str_get(&res), 0, 0, keys, &vscroll,
+					&hscroll, &update_text, (void *)
+					&data);
+		again = false;
+		for (i = 0; i < JUMP_NB && keys[i]; i++)
+			if (dres == keys[i]) {
+				conf(targets[i]->parent, targets[i]);
+				again = true;
+			}
+		str_free(&res);
+	} while (again);
 	free(sym_arr);
-	show_textbox(_("Search Results"), str_get(&res), 0, 0);
-	str_free(&res);
 }
 
 static void build_conf(struct menu *menu)
@@ -514,12 +578,11 @@ conf_childs:
 	indent -= doint;
 }
 
-static void conf(struct menu *menu)
+static void conf(struct menu *menu, struct menu *active_menu)
 {
 	struct menu *submenu;
 	const char *prompt = menu_get_prompt(menu);
 	struct symbol *sym;
-	struct menu *active_menu = NULL;
 	int res;
 	int s_scroll = 0;
 
@@ -562,13 +625,13 @@ static void conf(struct menu *menu)
 				if (single_menu_mode)
 					submenu->data = (void *) (long) !submenu->data;
 				else
-					conf(submenu);
+					conf(submenu, NULL);
 				break;
 			case 't':
 				if (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)
 					conf_choice(submenu);
 				else if (submenu->prompt->type == P_MENU)
-					conf(submenu);
+					conf(submenu, NULL);
 				break;
 			case 's':
 				conf_string(submenu);
@@ -607,7 +670,7 @@ static void conf(struct menu *menu)
 			if (item_is_tag('t'))
 				sym_toggle_tristate_value(sym);
 			else if (item_is_tag('m'))
-				conf(submenu);
+				conf(submenu, NULL);
 			break;
 		case 7:
 			search_conf();
@@ -619,10 +682,19 @@ static void conf(struct menu *menu)
 	}
 }
 
-static void show_textbox(const char *title, const char *text, int r, int c)
+static int show_textbox_ext(const char *title, char *text, int r, int c, int
+			    *keys, int *vscroll, int *hscroll, update_text_fn
+			    update_text, void *data)
 {
 	dialog_clear();
-	dialog_textbox(title, text, r, c);
+	return dialog_textbox(title, text, r, c, keys, vscroll, hscroll,
+			      update_text, data);
+}
+
+static void show_textbox(const char *title, const char *text, int r, int c)
+{
+	show_textbox_ext(title, (char *) text, r, c, (int []) {0}, NULL, NULL,
+			 NULL, NULL);
 }
 
 static void show_helptext(const char *title, const char *text)
@@ -862,9 +934,6 @@ int main(int ac, char **av)
 			single_menu_mode = 1;
 	}
 
-	initscr();
-
-	getyx(stdscr, saved_y, saved_x);
 	if (init_dialog(NULL)) {
 		fprintf(stderr, N_("Your display is too small to run Menuconfig!\n"));
 		fprintf(stderr, N_("It must be at least 19 lines by 80 columns.\n"));
@@ -873,7 +942,7 @@ int main(int ac, char **av)
 
 	set_config_filename(conf_get_configname());
 	do {
-		conf(&rootmenu);
+		conf(&rootmenu, NULL);
 		res = handle_exit();
 	} while (res == KEY_ESC);