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Message-Id: <1280838492-9942-1-git-send-email-nir.tzachar@gmail.com>
Date: Tue, 3 Aug 2010 15:28:12 +0300
From: nir.tzachar@...il.com
To: mmarek@...e.cz
Cc: linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
nir.tzachar@...il.com, sam@...nborg.org, randy.dunlap@...cle.com
Subject: [PATCH] nconfig: add search support
From: Nir Tzachar <nir.tzachar@...il.com>
Remove the old hotkeys feature, and replace by a regular string search.
Behaviour of search is as advised by Sam.
>From nconfig help:
Searching: pressing '/' triggers search mode. nconfig performs a
regular string compare, case insensitive, starting at
the beginning of each menu line.\n"
Pressing the up/down keys highlights the previous/next
matching item. Backspace removes one character from the
match string. Pressing either '/' again or ESC exits\
search mode. All other keys behave normally.
Miscellaneous other changes (including Rundy's Justin's input).
Signed-off-by: Nir Tzachar <nir.tzachar@...il.com>
---
scripts/kconfig/nconf.c | 350 +++++++++++++++++++++++++------------------
scripts/kconfig/nconf.gui.c | 20 ++--
scripts/kconfig/nconf.h | 3 +-
3 files changed, 213 insertions(+), 160 deletions(-)
diff --git a/scripts/kconfig/nconf.c b/scripts/kconfig/nconf.c
index 762caf8..9cda16b 100644
--- a/scripts/kconfig/nconf.c
+++ b/scripts/kconfig/nconf.c
@@ -8,6 +8,7 @@
#define LKC_DIRECT_LINK
#include "lkc.h"
#include "nconf.h"
+#include <ctype.h>
static const char nconf_readme[] = N_(
"Overview\n"
@@ -23,7 +24,7 @@ static const char nconf_readme[] = N_(
" < > can be built in, modularized or removed\n"
" { } can be built in or modularized (selected by other feature)\n"
" - - are selected by other feature,\n"
-" XXX cannot be selected. use Symbol Info to find out why,\n"
+" XXX cannot be selected. Use Symbol Info to find out why,\n"
"while *, M or whitespace inside braces means to build in, build as\n"
"a module or to exclude the feature respectively.\n"
"\n"
@@ -41,9 +42,13 @@ static const char nconf_readme[] = N_(
" pressing <Enter> of <right-arrow>. Use <Esc> or <left-arrow> to go back.\n"
" Submenus are designated by \"--->\".\n"
"\n"
-" Shortcut: Press the option's highlighted letter (hotkey).\n"
-" Pressing a hotkey more than once will sequence\n"
-" through all visible items which use that hotkey.\n"
+" Searching: pressing '/' triggers search mode. nconfig performs a\n"
+" regular string compare, case insensitive, starting at\n"
+" the beginning of each menu line.\n"
+" Pressing the up/down keys highlights the previous/next\n"
+" matching item. Backspace removes one character from the\n"
+" match string. Pressing either '/' again or ESC exits\n"
+" search mode. All other keys behave normally.\n"
"\n"
" You may also use the <PAGE UP> and <PAGE DOWN> keys to scroll\n"
" unseen options into view.\n"
@@ -141,21 +146,21 @@ menu_no_f_instructions[] = N_(
" <Enter> or <right-arrow> selects submenus --->.\n"
" Capital Letters are hotkeys.\n"
" Pressing <Y> includes, <N> excludes, <M> modularizes features.\n"
-" Pressing SpaceBar toggles between the above options\n"
+" Pressing SpaceBar toggles between the above options.\n"
" Press <Esc> or <left-arrow> to go back one menu,\n"
" <?> or <h> for Help, </> for Search.\n"
-" <1> is interchangable with <F1>, <2> with <F2>, etc.\n"
+" <1> is interchangeable with <F1>, <2> with <F2>, etc.\n"
" Legend: [*] built-in [ ] excluded <M> module < > module capable.\n"
-" <Esc> always leaves the current window\n"),
+" <Esc> always leaves the current window.\n"),
menu_instructions[] = N_(
" Arrow keys navigate the menu.\n"
" <Enter> or <right-arrow> selects submenus --->.\n"
" Capital Letters are hotkeys.\n"
" Pressing <Y> includes, <N> excludes, <M> modularizes features.\n"
" Pressing SpaceBar toggles between the above options\n"
-" Press <Esc>, <F3> or <left-arrow> to go back one menu, \n"
+" Press <Esc>, <F5> or <left-arrow> to go back one menu,\n"
" <?>, <F1> or <h> for Help, </> for Search.\n"
-" <1> is interchangable with <F1>, <2> with <F2>, etc.\n"
+" <1> is interchangeable with <F1>, <2> with <F2>, etc.\n"
" Legend: [*] built-in [ ] excluded <M> module < > module capable.\n"
" <Esc> always leaves the current window\n"),
radiolist_instructions[] = N_(
@@ -252,7 +257,6 @@ struct mitem {
char str[256];
char tag;
void *usrptr;
- int is_hot;
int is_visible;
};
@@ -275,14 +279,6 @@ static int items_num;
static int global_exit;
/* the currently selected button */
const char *current_instructions = menu_instructions;
-/* this array is used to implement hot keys. it is updated in item_make and
- * resetted in clean_items. It would be better to use a hash, but lets keep it
- * simple... */
-#define MAX_SAME_KEY MAX_MENU_ITEMS
-struct {
- int count;
- int ptrs[MAX_MENU_ITEMS];
-} hotkeys[1<<(sizeof(char)*8)];
static void conf(struct menu *menu);
static void conf_choice(struct menu *menu);
@@ -292,6 +288,7 @@ static void conf_save(void);
static void show_help(struct menu *menu);
static int do_exit(void);
static void setup_windows(void);
+static void search_conf(void);
typedef void (*function_key_handler_t)(int *key, struct menu *menu);
static void handle_f1(int *key, struct menu *current_item);
@@ -302,6 +299,7 @@ static void handle_f5(int *key, struct menu *current_item);
static void handle_f6(int *key, struct menu *current_item);
static void handle_f7(int *key, struct menu *current_item);
static void handle_f8(int *key, struct menu *current_item);
+static void handle_f9(int *key, struct menu *current_item);
struct function_keys {
const char *key_str;
@@ -310,7 +308,7 @@ struct function_keys {
function_key_handler_t handler;
};
-static const int function_keys_num = 8;
+static const int function_keys_num = 9;
struct function_keys function_keys[] = {
{
.key_str = "F1",
@@ -320,13 +318,13 @@ struct function_keys function_keys[] = {
},
{
.key_str = "F2",
- .func = "Symbol Info",
+ .func = "Sym Info",
.key = F_SYMBOL,
.handler = handle_f2,
},
{
.key_str = "F3",
- .func = "Instructions",
+ .func = "Insts",
.key = F_INSTS,
.handler = handle_f3,
},
@@ -356,9 +354,15 @@ struct function_keys function_keys[] = {
},
{
.key_str = "F8",
+ .func = "Sym Search",
+ .key = F_SEARCH,
+ .handler = handle_f8,
+ },
+ {
+ .key_str = "F9",
.func = "Exit",
.key = F_EXIT,
- .handler = handle_f8,
+ .handler = handle_f9,
},
};
@@ -444,9 +448,16 @@ static void handle_f7(int *key, struct menu *current_item)
return;
}
-/* exit */
+/* search */
static void handle_f8(int *key, struct menu *current_item)
{
+ search_conf();
+ return;
+}
+
+/* exit */
+static void handle_f9(int *key, struct menu *current_item)
+{
do_exit();
return;
}
@@ -479,110 +490,50 @@ static void clean_items(void)
free_item(curses_menu_items[i]);
bzero(curses_menu_items, sizeof(curses_menu_items));
bzero(k_menu_items, sizeof(k_menu_items));
- bzero(hotkeys, sizeof(hotkeys));
items_num = 0;
}
-/* return the index of the next hot item, or -1 if no such item exists */
-static int get_next_hot(int c)
-{
- static int hot_index;
- static int hot_char;
-
- if (c < 0 || c > 255 || hotkeys[c].count <= 0)
- return -1;
-
- if (hot_char == c) {
- hot_index = (hot_index+1)%hotkeys[c].count;
- return hotkeys[c].ptrs[hot_index];
- } else {
- hot_char = c;
- hot_index = 0;
- return hotkeys[c].ptrs[0];
- }
-}
-
-/* can the char c be a hot key? no, if c is a common shortcut used elsewhere */
-static int canbhot(char c)
-{
- c = tolower(c);
- return isalnum(c) && c != 'y' && c != 'm' && c != 'h' &&
- c != 'n' && c != '?';
-}
+typedef enum {FIND_NEW_MATCH, FIND_NEXT_MATCH, FIND_NEXT_MATCH_INC,
+ FIND_NEXT_MATCH_DEC} match_f;
-/* check if str already contains a hot key. */
-static int is_hot(int index)
+/* return the index of the matched item, or -1 if no such item exists */
+static int get_mext_match(const char *match_str, int last_match, match_f flag)
{
- return k_menu_items[index].is_hot;
-}
-
-/* find the first possible hot key, and mark it.
- * index is the index of the item in the menu
- * return 0 on success*/
-static int make_hot(char *dest, int len, const char *org, int index)
-{
- int position = -1;
- int i;
- int tmp;
- int c;
- int org_len = strlen(org);
-
- if (org == NULL || is_hot(index))
- return 1;
-
- /* make sure not to make hot keys out of markers.
- * find where to start looking for a hot key
- */
- i = 0;
- /* skip white space */
- while (i < org_len && org[i] == ' ')
- i++;
- if (i == org_len)
- return -1;
- /* if encountering '(' or '<' or '[', find the match and look from there
- **/
- if (org[i] == '[' || org[i] == '<' || org[i] == '(') {
- i++;
- for (; i < org_len; i++)
- if (org[i] == ']' || org[i] == '>' || org[i] == ')')
- break;
- }
- if (i == org_len)
- return -1;
- for (; i < org_len; i++) {
- if (canbhot(org[i]) && org[i-1] != '<' && org[i-1] != '(') {
- position = i;
- break;
+ int match_start = last_match;
+ int index;
+
+ if (flag == FIND_NEW_MATCH)
+ last_match = 0;
+ if (flag == FIND_NEXT_MATCH_INC)
+ ++last_match;
+ else if (flag == FIND_NEXT_MATCH_DEC)
+ --last_match;
+
+ index = last_match;
+ while (true) {
+ char *non_space = k_menu_items[index].str;
+ /* skip the leading 4 bytes, as they are noise. */
+ non_space += 4;
+ /* and any white space from indentation */
+ while (*non_space != '\0' && isblank(*non_space))
+ ++non_space;
+ if (strncasecmp(match_str, non_space, strlen(match_str)) == 0) {
+ return index;
}
+ if (flag == FIND_NEXT_MATCH_DEC || flag == FIND_NEXT_MATCH)
+ --index;
+ else
+ ++index;
+ index = (index + items_num) % items_num;
+ if (index == match_start)
+ return -1;
}
- if (position == -1)
- return 1;
-
- /* ok, char at org[position] should be a hot key to this item */
- c = tolower(org[position]);
- tmp = hotkeys[c].count;
- hotkeys[c].ptrs[tmp] = index;
- hotkeys[c].count++;
- /*
- snprintf(dest, len, "%.*s(%c)%s", position, org, org[position],
- &org[position+1]);
- */
- /* make org[position] uppercase, and all leading letter small case */
- strncpy(dest, org, len);
- for (i = 0; i < position; i++)
- dest[i] = tolower(dest[i]);
- dest[position] = toupper(dest[position]);
- k_menu_items[index].is_hot = 1;
- return 0;
}
-/* Make a new item. Add a hotkey mark in the first possible letter.
- * As ncurses does not allow any attributes inside menue item, we mark the
- * hot key as the first capitalized letter in the string */
+/* Make a new item. */
static void item_make(struct menu *menu, char tag, const char *fmt, ...)
{
va_list ap;
- char tmp_str[256];
if (items_num > MAX_MENU_ITEMS-1)
return;
@@ -597,16 +548,13 @@ static void item_make(struct menu *menu, char tag, const char *fmt, ...)
k_menu_items[items_num].is_visible = 1;
va_start(ap, fmt);
- vsnprintf(tmp_str, sizeof(tmp_str), fmt, ap);
- if (!k_menu_items[items_num].is_visible)
- memcpy(tmp_str, "XXX", 3);
+ vsnprintf(k_menu_items[items_num].str,
+ sizeof(k_menu_items[items_num].str),
+ fmt, ap);
va_end(ap);
- if (make_hot(
- k_menu_items[items_num].str,
- sizeof(k_menu_items[items_num].str), tmp_str, items_num) != 0)
- strncpy(k_menu_items[items_num].str,
- tmp_str,
- sizeof(k_menu_items[items_num].str));
+
+ if (!k_menu_items[items_num].is_visible)
+ memcpy(k_menu_items[items_num].str, "XXX", 3);
curses_menu_items[items_num] = new_item(
k_menu_items[items_num].str,
@@ -638,11 +586,9 @@ static void item_add_str(const char *fmt, ...)
va_end(ap);
snprintf(tmp_str, sizeof(tmp_str), "%s%s",
k_menu_items[index].str, new_str);
- if (make_hot(k_menu_items[index].str,
- sizeof(k_menu_items[index].str), tmp_str, index) != 0)
- strncpy(k_menu_items[index].str,
- tmp_str,
- sizeof(k_menu_items[index].str));
+ strncpy(k_menu_items[index].str,
+ tmp_str,
+ sizeof(k_menu_items[index].str));
free_item(curses_menu_items[index]);
curses_menu_items[index] = new_item(
@@ -1108,6 +1054,8 @@ static void conf(struct menu *menu)
int res;
int current_index = 0;
int last_top_row = 0;
+ int in_search = 0;
+ int last_match = 0;
bzero(pattern, sizeof(pattern));
@@ -1122,7 +1070,64 @@ static void conf(struct menu *menu)
_(menu_instructions),
current_index, &last_top_row);
keypad((menu_win(curses_menu)), TRUE);
- while (!global_exit && (res = wgetch(menu_win(curses_menu)))) {
+ while (!global_exit) {
+ if (in_search) {
+ mvprintw(0, 0, "searching: %s", pattern);
+ clrtoeol();
+ } else {
+ move(0, 0);
+ refresh();
+ clrtoeol();
+ }
+ refresh_all_windows(main_window);
+ res = wgetch(menu_win(curses_menu));
+ if (!res)
+ break;
+ if (res == '/' || (in_search && res == 27)) {
+ in_search = 1-in_search;
+ bzero(pattern, sizeof(pattern));
+ continue;
+ } else if (in_search) {
+ char c = (char) res;
+ int tmp = -1;
+ int terminate_search = 0;
+ if (isalnum(c)) {
+ pattern[strlen(pattern)] = c;
+ pattern[strlen(pattern)] = '\0';
+ tmp = get_mext_match(pattern,
+ last_match,
+ FIND_NEXT_MATCH);
+ } else if (res == KEY_DOWN)
+ tmp = get_mext_match(pattern,
+ last_match,
+ FIND_NEXT_MATCH_INC);
+ else if (res == KEY_UP)
+ tmp = get_mext_match(pattern,
+ last_match,
+ FIND_NEXT_MATCH_DEC);
+ else if (res == KEY_BACKSPACE || res == 127) {
+ pattern[strlen(pattern)-1] = '\0';
+ tmp = get_mext_match(pattern,
+ last_match,
+ FIND_NEXT_MATCH_INC);
+ } else
+ terminate_search = 1;
+
+ if (terminate_search) {
+ in_search = 1-in_search;
+ bzero(pattern, sizeof(pattern));
+ move(0, 0);
+ refresh();
+ clrtoeol();
+ /* fall through to normal mode */
+ } else {
+ if (tmp != -1) {
+ center_item(tmp, &last_top_row);
+ last_match = tmp;
+ }
+ continue;
+ }
+ }
if (process_special_keys(&res,
(struct menu *) item_data()))
break;
@@ -1153,19 +1158,13 @@ static void conf(struct menu *menu)
if (res == 10 || res == 27 ||
res == 32 || res == 'n' || res == 'y' ||
res == KEY_LEFT || res == KEY_RIGHT ||
- res == 'm' || res == '/')
+ res == 'm')
break;
- else if (canbhot(res)) {
- /* check for hot keys: */
- int tmp = get_next_hot(res);
- if (tmp != -1)
- center_item(tmp, &last_top_row);
- }
refresh_all_windows(main_window);
}
refresh_all_windows(main_window);
- /* if ESC or left*/
+ /* if ESC or left*/
if (res == 27 || (menu != &rootmenu && res == KEY_LEFT))
break;
@@ -1233,9 +1232,6 @@ static void conf(struct menu *menu)
if (item_is_tag('t'))
sym_set_tristate_value(sym, mod);
break;
- case '/':
- search_conf();
- break;
}
}
}
@@ -1260,12 +1256,15 @@ static void show_help(struct menu *menu)
static void conf_choice(struct menu *menu)
{
+ char pattern[256];
const char *prompt = _(menu_get_prompt(menu));
struct menu *child = 0;
struct symbol *active;
int selected_index = 0;
int last_top_row = 0;
int res, i = 0;
+ int in_search = 0;
+ int last_match = 0;
active = sym_get_choice_value(menu->sym);
/* this is mostly duplicated from the conf() function. */
@@ -1292,7 +1291,64 @@ static void conf_choice(struct menu *menu)
_(radiolist_instructions),
selected_index,
&last_top_row);
- while (!global_exit && (res = wgetch(menu_win(curses_menu)))) {
+ while (!global_exit) {
+ if (in_search) {
+ mvprintw(0, 0, "searching: %s", pattern);
+ clrtoeol();
+ } else {
+ move(0, 0);
+ refresh();
+ clrtoeol();
+ }
+ refresh_all_windows(main_window);
+ res = wgetch(menu_win(curses_menu));
+ if (!res)
+ break;
+ if (res == '/' || (in_search && res == 27)) {
+ in_search = 1-in_search;
+ bzero(pattern, sizeof(pattern));
+ continue;
+ } else if (in_search) {
+ char c = (char) res;
+ int tmp = -1;
+ int terminate_search = 0;
+ if (isalnum(c)) {
+ pattern[strlen(pattern)] = c;
+ pattern[strlen(pattern)] = '\0';
+ tmp = get_mext_match(pattern,
+ last_match,
+ FIND_NEXT_MATCH);
+ } else if (res == KEY_DOWN)
+ tmp = get_mext_match(pattern,
+ last_match,
+ FIND_NEXT_MATCH_INC);
+ else if (res == KEY_UP)
+ tmp = get_mext_match(pattern,
+ last_match,
+ FIND_NEXT_MATCH_DEC);
+ else if (res == KEY_BACKSPACE || res == 127) {
+ pattern[strlen(pattern)-1] = '\0';
+ tmp = get_mext_match(pattern,
+ last_match,
+ FIND_NEXT_MATCH_INC);
+ } else
+ terminate_search = 1;
+
+ if (terminate_search) {
+ in_search = 1-in_search;
+ bzero(pattern, sizeof(pattern));
+ move(0, 0);
+ refresh();
+ clrtoeol();
+ /* fall through to normal mode */
+ } else {
+ if (tmp != -1) {
+ center_item(tmp, &last_top_row);
+ last_match = tmp;
+ }
+ continue;
+ }
+ }
if (process_special_keys(
&res,
(struct menu *) item_data()))
@@ -1322,13 +1378,8 @@ static void conf_choice(struct menu *menu)
break;
}
if (res == 10 || res == 27 || res == ' ' ||
- res == KEY_LEFT)
+ res == KEY_LEFT){
break;
- else if (canbhot(res)) {
- /* check for hot keys: */
- int tmp = get_next_hot(res);
- if (tmp != -1)
- center_item(tmp, &last_top_row);
}
refresh_all_windows(main_window);
}
@@ -1530,9 +1581,10 @@ int main(int ac, char **av)
/* set btns menu */
curses_menu = new_menu(curses_menu_items);
menu_opts_off(curses_menu, O_SHOWDESC);
- menu_opts_off(curses_menu, O_SHOWMATCH);
+ menu_opts_on(curses_menu, O_SHOWMATCH);
menu_opts_on(curses_menu, O_ONEVALUE);
menu_opts_on(curses_menu, O_NONCYCLIC);
+ menu_opts_on(curses_menu, O_IGNORECASE);
set_menu_mark(curses_menu, " ");
set_menu_fore(curses_menu, attributes[MAIN_MENU_FORE]);
set_menu_back(curses_menu, attributes[MAIN_MENU_BACK]);
diff --git a/scripts/kconfig/nconf.gui.c b/scripts/kconfig/nconf.gui.c
index a9d9344..d963071 100644
--- a/scripts/kconfig/nconf.gui.c
+++ b/scripts/kconfig/nconf.gui.c
@@ -167,7 +167,7 @@ void print_in_middle(WINDOW *win,
length = strlen(string);
temp = (width - length) / 2;
x = startx + (int)temp;
- wattrset(win, color);
+ (void) wattrset(win, color);
mvwprintw(win, y, x, "%s", string);
refresh();
}
@@ -297,11 +297,11 @@ int btn_dialog(WINDOW *main_window, const char *msg, int btn_num, ...)
set_menu_fore(menu, attributes[DIALOG_MENU_FORE]);
set_menu_back(menu, attributes[DIALOG_MENU_BACK]);
- wattrset(win, attributes[DIALOG_BOX]);
+ (void) wattrset(win, attributes[DIALOG_BOX]);
box(win, 0, 0);
/* print message */
- wattrset(msg_win, attributes[DIALOG_TEXT]);
+ (void) wattrset(msg_win, attributes[DIALOG_TEXT]);
fill_window(msg_win, msg);
set_menu_win(menu, win);
@@ -392,16 +392,16 @@ int dialog_inputbox(WINDOW *main_window,
form_win = derwin(win, 1, prompt_width, prompt_lines+3, 2);
keypad(form_win, TRUE);
- wattrset(form_win, attributes[INPUT_FIELD]);
+ (void) wattrset(form_win, attributes[INPUT_FIELD]);
- wattrset(win, attributes[INPUT_BOX]);
+ (void) wattrset(win, attributes[INPUT_BOX]);
box(win, 0, 0);
- wattrset(win, attributes[INPUT_HEADING]);
+ (void) wattrset(win, attributes[INPUT_HEADING]);
if (title)
mvwprintw(win, 0, 3, "%s", title);
/* print message */
- wattrset(prompt_win, attributes[INPUT_TEXT]);
+ (void) wattrset(prompt_win, attributes[INPUT_TEXT]);
fill_window(prompt_win, prompt);
mvwprintw(form_win, 0, 0, "%*s", prompt_width, " ");
@@ -531,7 +531,7 @@ void show_scroll_win(WINDOW *main_window,
/* create the pad */
pad = newpad(total_lines+10, total_cols+10);
- wattrset(pad, attributes[SCROLLWIN_TEXT]);
+ (void) wattrset(pad, attributes[SCROLLWIN_TEXT]);
fill_window(pad, text);
win_lines = min(total_lines+4, LINES-2);
@@ -546,9 +546,9 @@ void show_scroll_win(WINDOW *main_window,
win = newwin(win_lines, win_cols, y, x);
keypad(win, TRUE);
/* show the help in the help window, and show the help panel */
- wattrset(win, attributes[SCROLLWIN_BOX]);
+ (void) wattrset(win, attributes[SCROLLWIN_BOX]);
box(win, 0, 0);
- wattrset(win, attributes[SCROLLWIN_HEADING]);
+ (void) wattrset(win, attributes[SCROLLWIN_HEADING]);
mvwprintw(win, 0, 3, " %s ", title);
panel = new_panel(win);
diff --git a/scripts/kconfig/nconf.h b/scripts/kconfig/nconf.h
index fb42966..58fbda8 100644
--- a/scripts/kconfig/nconf.h
+++ b/scripts/kconfig/nconf.h
@@ -69,7 +69,8 @@ typedef enum {
F_BACK = 5,
F_SAVE = 6,
F_LOAD = 7,
- F_EXIT = 8
+ F_SEARCH = 8,
+ F_EXIT = 9,
} function_key;
void set_colors(void);
--
1.6.4.4
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