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menuconfig: Assign jump keys per-page instead of globally

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At the moment, keys 1-9 are assigned to the first 9 search results. This patch
makes them assigned to the first 9 results per-page instead. We are much less
likely to run out of keys that way.

Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This commit is contained in:
Benjamin Poirier 2012-08-23 14:55:08 -04:00 committed by Michal Marek
parent 1a374ae619
commit 95ac9b3b58
6 changed files with 148 additions and 72 deletions
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9
scripts/kconfig/expr.h
View File

@ -12,6 +12,7 @@ extern "C" {
#include <assert.h>
#include <stdio.h>
#include <sys/queue.h>
#ifndef __cplusplus
#include <stdbool.h>
#endif
@ -173,6 +174,14 @@ struct menu {
#define MENU_CHANGED 0x0001
#define MENU_ROOT 0x0002
struct jump_key {
CIRCLEQ_ENTRY(jump_key) entries;
size_t offset;
struct menu *target;
int index;
};
CIRCLEQ_HEAD(jk_head, jump_key);
#define JUMP_NB 9
extern struct file *file_list;

8
scripts/kconfig/lkc_proto.h
View File

@ -21,10 +21,10 @@ P(menu_get_root_menu,struct menu *,(struct menu *menu));
P(menu_get_parent_menu,struct menu *,(struct menu *menu));
P(menu_has_help,bool,(struct menu *menu));
P(menu_get_help,const char *,(struct menu *menu));
P(get_symbol_str, int, (struct gstr *r, struct symbol *sym, struct menu
**jumps, int jump_nb));
P(get_relations_str, struct gstr, (struct symbol **sym_arr, struct menu
**jumps));
P(get_symbol_str, void, (struct gstr *r, struct symbol *sym, struct jk_head
*head));
P(get_relations_str, struct gstr, (struct symbol **sym_arr, struct jk_head
*head));
P(menu_get_ext_help,void,(struct menu *menu, struct gstr *help));
/* symbol.c */

9
scripts/kconfig/lxdialog/dialog.h
View File

@ -210,8 +210,13 @@ int first_alpha(const char *string, const char *exempt);
int dialog_yesno(const char *title, const char *prompt, int height, int width);
int dialog_msgbox(const char *title, const char *prompt, int height,
int width, int pause);
int dialog_textbox(const char *title, const char *file, int height, int width,
int *keys, int *_vscroll, int *_hscroll);
typedef void (*update_text_fn)(char *buf, size_t start, size_t end, void
*_data);
int dialog_textbox(const char *title, char *tbuf, int initial_height,
int initial_width, int *keys, int *_vscroll, int *_hscroll,
update_text_fn update_text, void *data);
int dialog_menu(const char *title, const char *prompt,
const void *selected, int *s_scroll);
int dialog_checklist(const char *title, const char *prompt, int height,

67
scripts/kconfig/lxdialog/textbox.c
View File

@ -22,23 +22,25 @@
#include "dialog.h"
static void back_lines(int n);
static void print_page(WINDOW * win, int height, int width);
static void print_line(WINDOW * win, int row, int width);
static void print_page(WINDOW *win, int height, int width, update_text_fn
update_text, void *data);
static void print_line(WINDOW *win, int row, int width);
static char *get_line(void);
static void print_position(WINDOW * win);
static int hscroll;
static int begin_reached, end_reached, page_length;
static const char *buf;
static const char *page;
static char *buf;
static char *page;
/*
* refresh window content
*/
static void refresh_text_box(WINDOW *dialog, WINDOW *box, int boxh, int boxw,
int cur_y, int cur_x)
int cur_y, int cur_x, update_text_fn update_text,
void *data)
{
print_page(box, boxh, boxw);
print_page(box, boxh, boxw, update_text, data);
print_position(dialog);
wmove(dialog, cur_y, cur_x); /* Restore cursor position */
wrefresh(dialog);
@ -49,9 +51,11 @@ static void refresh_text_box(WINDOW *dialog, WINDOW *box, int boxh, int boxw,
* Display text from a file in a dialog box.
*
* keys is a null-terminated array
* update_text() may not add or remove any '\n' or '\0' in tbuf
*/
int dialog_textbox(const char *title, const char *tbuf, int initial_height,
int initial_width, int *keys, int *_vscroll, int *_hscroll)
int dialog_textbox(const char *title, char *tbuf, int initial_height,
int initial_width, int *keys, int *_vscroll, int *_hscroll,
update_text_fn update_text, void *data)
{
int i, x, y, cur_x, cur_y, key = 0;
int height, width, boxh, boxw;
@ -131,7 +135,8 @@ do_resize:
/* Print first page of text */
attr_clear(box, boxh, boxw, dlg.dialog.atr);
refresh_text_box(dialog, box, boxh, boxw, cur_y, cur_x);
refresh_text_box(dialog, box, boxh, boxw, cur_y, cur_x, update_text,
data);
while (!done) {
key = wgetch(dialog);
@ -150,7 +155,8 @@ do_resize:
begin_reached = 1;
page = buf;
refresh_text_box(dialog, box, boxh, boxw,
cur_y, cur_x);
cur_y, cur_x, update_text,
data);
}
break;
case 'G': /* Last page */
@ -160,8 +166,8 @@ do_resize:
/* point to last char in buf */
page = buf + strlen(buf);
back_lines(boxh);
refresh_text_box(dialog, box, boxh, boxw,
cur_y, cur_x);
refresh_text_box(dialog, box, boxh, boxw, cur_y,
cur_x, update_text, data);
break;
case 'K': /* Previous line */
case 'k':
@ -171,7 +177,7 @@ do_resize:
back_lines(page_length + 1);
refresh_text_box(dialog, box, boxh, boxw, cur_y,
cur_x);
cur_x, update_text, data);
break;
case 'B': /* Previous page */
case 'b':
@ -180,8 +186,8 @@ do_resize:
if (begin_reached)
break;
back_lines(page_length + boxh);
refresh_text_box(dialog, box, boxh, boxw,
cur_y, cur_x);
refresh_text_box(dialog, box, boxh, boxw, cur_y,
cur_x, update_text, data);
break;
case 'J': /* Next line */
case 'j':
@ -191,7 +197,7 @@ do_resize:
back_lines(page_length - 1);
refresh_text_box(dialog, box, boxh, boxw, cur_y,
cur_x);
cur_x, update_text, data);
break;
case KEY_NPAGE: /* Next page */
case ' ':
@ -200,8 +206,8 @@ do_resize:
break;
begin_reached = 0;
refresh_text_box(dialog, box, boxh, boxw,
cur_y, cur_x);
refresh_text_box(dialog, box, boxh, boxw, cur_y,
cur_x, update_text, data);
break;
case '0': /* Beginning of line */
case 'H': /* Scroll left */
@ -216,8 +222,8 @@ do_resize:
hscroll--;
/* Reprint current page to scroll horizontally */
back_lines(page_length);
refresh_text_box(dialog, box, boxh, boxw,
cur_y, cur_x);
refresh_text_box(dialog, box, boxh, boxw, cur_y,
cur_x, update_text, data);
break;
case 'L': /* Scroll right */
case 'l':
@ -227,8 +233,8 @@ do_resize:
hscroll++;
/* Reprint current page to scroll horizontally */
back_lines(page_length);
refresh_text_box(dialog, box, boxh, boxw,
cur_y, cur_x);
refresh_text_box(dialog, box, boxh, boxw, cur_y,
cur_x, update_text, data);
break;
case KEY_ESC:
if (on_key_esc(dialog) == KEY_ESC)
@ -301,12 +307,23 @@ static void back_lines(int n)
}
/*
* Print a new page of text. Called by dialog_textbox().
* Print a new page of text.
*/
static void print_page(WINDOW * win, int height, int width)
static void print_page(WINDOW *win, int height, int width, update_text_fn
update_text, void *data)
{
int i, passed_end = 0;
if (update_text) {
char *end;
for (i = 0; i < height; i++)
get_line();
end = page;
back_lines(height);
update_text(buf, page - buf, end - buf, data);
}
page_length = 0;
for (i = 0; i < height; i++) {
print_line(win, i, width);
@ -319,7 +336,7 @@ static void print_page(WINDOW * win, int height, int width)
}
/*
* Print a new line of text. Called by dialog_textbox() and print_page().
* Print a new line of text.
*/
static void print_line(WINDOW * win, int row, int width)
{

73
scripts/kconfig/mconf.c
View File

@ -286,8 +286,9 @@ 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, const char *text, int r, int c,
int *keys, int *vscroll, int *hscroll);
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);
@ -310,6 +311,39 @@ 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;
@ -341,18 +375,24 @@ again:
sym_arr = sym_re_search(dialog_input);
do {
struct menu *jumps[JUMP_NB] = {0};
int keys[JUMP_NB + 1] = {0}, i;
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, jumps);
for (i = 0; i < JUMP_NB && jumps[i]; i++)
keys[i] = '1' + i;
dres = show_textbox_ext(_("Search Results"), str_get(&res), 0,
0, keys, &vscroll, &hscroll);
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 && jumps[i]; i++)
for (i = 0; i < JUMP_NB && keys[i]; i++)
if (dres == keys[i]) {
conf(jumps[i]->parent, jumps[i]);
conf(targets[i]->parent, targets[i]);
again = true;
}
str_free(&res);
@ -642,16 +682,19 @@ static void conf(struct menu *menu, struct menu *active_menu)
}
}
static int show_textbox_ext(const char *title, const char *text, int r, int c,
int *keys, int *vscroll, int *hscroll)
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();
return dialog_textbox(title, text, r, c, keys, vscroll, hscroll);
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, text, r, c, (int []) {0}, NULL, NULL);
show_textbox_ext(title, (char *) text, r, c, (int []) {0}, NULL, NULL,
NULL, NULL);
}
static void show_helptext(const char *title, const char *text)

54
scripts/kconfig/menu.c
View File

@ -507,12 +507,12 @@ const char *menu_get_help(struct menu *menu)
return "";
}
static int get_prompt_str(struct gstr *r, struct property *prop, struct menu
**jumps, int jump_nb)
static void get_prompt_str(struct gstr *r, struct property *prop,
struct jk_head *head)
{
int i, j;
char header[4];
struct menu *submenu[8], *menu, *location = NULL;
struct jump_key *jump;
str_printf(r, _("Prompt: %s\n"), _(prop->text));
str_printf(r, _(" Defined at %s:%d\n"), prop->menu->file->name,
@ -530,7 +530,9 @@ static int get_prompt_str(struct gstr *r, struct property *prop, struct menu
if (location == NULL && accessible)
location = menu;
}
if (jumps && jump_nb < JUMP_NB && location) {
if (head && location) {
jump = malloc(sizeof(struct jump_key));
if (menu_is_visible(prop->menu)) {
/*
* There is not enough room to put the hint at the
@ -538,19 +540,26 @@ static int get_prompt_str(struct gstr *r, struct property *prop, struct menu
* last "Location" line even when it would belong on
* the former.
*/
jumps[jump_nb] = prop->menu;
jump->target = prop->menu;
} else
jumps[jump_nb] = location;
snprintf(header, 4, "(%d)", jump_nb + 1);
} else
location = NULL;
jump->target = location;
if (CIRCLEQ_EMPTY(head))
jump->index = 0;
else
jump->index = CIRCLEQ_LAST(head)->index + 1;
CIRCLEQ_INSERT_TAIL(head, jump, entries);
}
if (i > 0) {
str_printf(r, _(" Location:\n"));
for (j = 1; --i >= 0; j += 2) {
for (j = 4; --i >= 0; j += 2) {
menu = submenu[i];
str_printf(r, "%s%*c-> %s", menu == location ? header
: " ", j, ' ', _(menu_get_prompt(menu)));
if (head && location && menu == location)
jump->offset = r->len - 1;
str_printf(r, "%*c-> %s", j, ' ',
_(menu_get_prompt(menu)));
if (menu->sym) {
str_printf(r, " (%s [=%s])", menu->sym->name ?
menu->sym->name : _("<choice>"),
@ -559,20 +568,15 @@ static int get_prompt_str(struct gstr *r, struct property *prop, struct menu
str_append(r, "\n");
}
}
return location ? 1 : 0;
}
/*
* jumps is optional and may be NULL
* returns the number of jumps inserted
* head is optional and may be NULL
*/
int get_symbol_str(struct gstr *r, struct symbol *sym, struct menu **jumps,
int jump_nb)
void get_symbol_str(struct gstr *r, struct symbol *sym, struct jk_head *head)
{
bool hit;
struct property *prop;
int i = 0;
if (sym && sym->name) {
str_printf(r, "Symbol: %s [=%s]\n", sym->name,
@ -588,7 +592,7 @@ int get_symbol_str(struct gstr *r, struct symbol *sym, struct menu **jumps,
}
}
for_all_prompts(sym, prop)
i += get_prompt_str(r, prop, jumps, jump_nb + i);
get_prompt_str(r, prop, head);
hit = false;
for_all_properties(sym, prop, P_SELECT) {
if (!hit) {
@ -606,18 +610,16 @@ int get_symbol_str(struct gstr *r, struct symbol *sym, struct menu **jumps,
str_append(r, "\n");
}
str_append(r, "\n\n");
return i;
}
struct gstr get_relations_str(struct symbol **sym_arr, struct menu **jumps)
struct gstr get_relations_str(struct symbol **sym_arr, struct jk_head *head)
{
struct symbol *sym;
struct gstr res = str_new();
int i, jump_nb = 0;
int i;
for (i = 0; sym_arr && (sym = sym_arr[i]); i++)
jump_nb += get_symbol_str(&res, sym, jumps, jump_nb);
get_symbol_str(&res, sym, head);
if (!i)
str_append(&res, _("No matches found.\n"));
return res;
@ -636,5 +638,5 @@ void menu_get_ext_help(struct menu *menu, struct gstr *help)
}
str_printf(help, "%s\n", _(help_text));
if (sym)
get_symbol_str(help, sym, NULL, 0);
get_symbol_str(help, sym, NULL);
}