BNX2X: spatch IRQ handlers
[akaros.git] / scripts / kconfig / mconf.c
index d433c7a..53975cf 100644 (file)
 #include <stdarg.h>
 #include <stdlib.h>
 #include <string.h>
+#include <signal.h>
 #include <unistd.h>
 #include <locale.h>
 
-#define LKC_DIRECT_LINK
 #include "lkc.h"
 #include "lxdialog/dialog.h"
 
@@ -105,10 +105,10 @@ static const char mconf_readme[] = N_(
 "Text Box    (Help Window)\n"
 "--------\n"
 "o  Use the cursor keys to scroll up/down/left/right.  The VI editor\n"
-"   keys h,j,k,l function here as do <SPACE BAR> and <B> for those\n"
-"   who are familiar with less and lynx.\n"
+"   keys h,j,k,l function here as do <u>, <d>, <SPACE BAR> and <B> for \n"
+"   those who are familiar with less and lynx.\n"
 "\n"
-"o  Press <E>, <X>, <Enter> or <Esc><Esc> to exit.\n"
+"o  Press <E>, <X>, <q>, <Enter> or <Esc><Esc> to exit.\n"
 "\n"
 "\n"
 "Alternate Configuration Files\n"
@@ -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, MCA, 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"
@@ -274,11 +281,14 @@ static int child_count;
 static int single_menu_mode;
 static int show_all_options;
 
-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);
@@ -301,12 +311,47 @@ static void set_config_filename(const char *config_filename)
 }
 
 
+struct search_data {
+       struct list_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;
+
+       list_for_each_entry(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"),
@@ -329,10 +374,30 @@ again:
                dialog_input += strlen(CONFIG_);
 
        sym_arr = sym_re_search(dialog_input);
-       res = get_relations_str(sym_arr);
+       do {
+               LIST_HEAD(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)
@@ -513,12 +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;
 
@@ -561,13 +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);
@@ -606,7 +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();
@@ -618,10 +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)
@@ -793,9 +866,56 @@ static void conf_save(void)
        }
 }
 
+static int handle_exit(void)
+{
+       int res;
+
+       dialog_clear();
+       if (conf_get_changed())
+               res = dialog_yesno(NULL,
+                                  _("Do you wish to save your new configuration ?\n"
+                                    "<ESC><ESC> to continue."),
+                                  6, 60);
+       else
+               res = -1;
+
+       end_dialog(saved_x, saved_y);
+
+       switch (res) {
+       case 0:
+               if (conf_write(filename)) {
+                       fprintf(stderr, _("\n\n"
+                                         "Error while writing of the configuration.\n"
+                                         "Your configuration changes were NOT saved."
+                                         "\n\n"));
+                       return 1;
+               }
+               /* fall through */
+       case -1:
+               printf(_("\n\n"
+                        "*** End of the configuration.\n"
+                        "*** Execute 'make' to start the build or try 'make help'."
+                        "\n\n"));
+               res = 0;
+               break;
+       default:
+               fprintf(stderr, _("\n\n"
+                                 "Your configuration changes were NOT saved."
+                                 "\n\n"));
+               if (res != KEY_ESC)
+                       res = 0;
+       }
+
+       return res;
+}
+
+static void sig_handler(int signo)
+{
+       exit(handle_exit());
+}
+
 int main(int ac, char **av)
 {
-       int saved_x, saved_y;
        char *mode;
        int res;
 
@@ -803,6 +923,8 @@ int main(int ac, char **av)
        bindtextdomain(PACKAGE, LOCALEDIR);
        textdomain(PACKAGE);
 
+       signal(SIGINT, sig_handler);
+
        conf_parse(av[1]);
        conf_read(NULL);
 
@@ -812,9 +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"));
@@ -823,40 +942,10 @@ int main(int ac, char **av)
 
        set_config_filename(conf_get_configname());
        do {
-               conf(&rootmenu);
-               dialog_clear();
-               if (conf_get_changed())
-                       res = dialog_yesno(NULL,
-                                          _("Do you wish to save your "
-                                            "new configuration?\n"
-                                            "<ESC><ESC> to continue."),
-                                          6, 60);
-               else
-                       res = -1;
+               conf(&rootmenu, NULL);
+               res = handle_exit();
        } while (res == KEY_ESC);
-       end_dialog(saved_x, saved_y);
-
-       switch (res) {
-       case 0:
-               if (conf_write(filename)) {
-                       fprintf(stderr, _("\n\n"
-                               "Error while writing of the configuration.\n"
-                               "Your configuration changes were NOT saved."
-                               "\n\n"));
-                       return 1;
-               }
-       case -1:
-               printf(_("\n\n"
-                       "*** End of the configuration.\n"
-                       "*** Execute 'make' to start the build or try 'make help'."
-                       "\n\n"));
-               break;
-       default:
-               fprintf(stderr, _("\n\n"
-                       "Your configuration changes were NOT saved."
-                       "\n\n"));
-       }
 
-       return 0;
+       return res;
 }