From f66a762344d77b8e4a4d50e68896638a234dc631 Mon Sep 17 00:00:00 2001 From: Peter Kjellerstedt Date: Mon, 18 Apr 2005 15:59:49 +0000 Subject: Updated to match Linux 2.6.11. --- extra/config/mconf.c | 383 ++++++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 321 insertions(+), 62 deletions(-) (limited to 'extra/config/mconf.c') diff --git a/extra/config/mconf.c b/extra/config/mconf.c index a459ec81e..e60f01889 100644 --- a/extra/config/mconf.c +++ b/extra/config/mconf.c @@ -23,18 +23,150 @@ #include #include -#include "dialog.h" +#include "lxdialog/dialog.h" #define LKC_DIRECT_LINK #include "lkc.h" static char menu_backtitle[128]; -static const char menu_instructions[] = +static const char mconf_readme[] = +"Overview\n" +"--------\n" +"Some features may be built directly into uClibc. Some features\n" +"may be completely removed altogether. There are also certain\n" +"parameters which are not really features, but must be\n" +"entered in as decimal or hexadecimal numbers or possibly text.\n" +"\n" +"Menu items beginning with [*] or [ ] represent features\n" +"configured to be built in or removed respectively.\n" +"\n" +"To change any of these features, highlight it with the cursor\n" +"keys and press to build it in or to removed it.\n" +"You may also press the to cycle\n" +"through the available options (ie. Y->N->Y).\n" +"\n" +"Some additional keyboard hints:\n" +"\n" +"Menus\n" +"----------\n" +"o Use the Up/Down arrow keys (cursor keys) to highlight the item\n" +" you wish to change or submenu wish to select and press .\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" +"\n" +" You may also use the and keys to scroll\n" +" unseen options into view.\n" +"\n" +"o To exit a menu use the cursor keys to highlight the button\n" +" and press .\n" +"\n" +" Shortcut: Press or or if there is no hotkey\n" +" using those letters. You may press a single , but\n" +" there is a delayed response which you may find annoying.\n" +"\n" +" Also, the and cursor keys will cycle between and\n" +" \n" +"\n" +"\n" +"Data Entry\n" +"-----------\n" +"o Enter the requested information and press \n" +" If you are entering hexadecimal values, it is not necessary to\n" +" add the '0x' prefix to the entry.\n" +"\n" +"o For help, use the or cursor keys to highlight the help option\n" +" and press . You can try as well.\n" +"\n" +"\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 and for those\n" +" who are familiar with less and lynx.\n" +"\n" +"o Press , , or to exit.\n" +"\n" +"\n" +"Alternate Configuration Files\n" +"-----------------------------\n" +"Menuconfig supports the use of alternate configuration files for\n" +"those who, for various reasons, find it necessary to switch\n" +"between different configurations.\n" +"\n" +"At the end of the main menu you will find two options. One is\n" +"for saving the current configuration to a file of your choosing.\n" +"The other option is for loading a previously saved alternate\n" +"configuration.\n" +"\n" +"Even if you don't use alternate configuration files, but you\n" +"find during a Menuconfig session that you have completely messed\n" +"up your settings, you may use the \"Load Alternate...\" option to\n" +"restore your previously saved settings from \".config\" without\n" +"restarting Menuconfig.\n" +"\n" +"Other information\n" +"-----------------\n" +"If you use Menuconfig in an XTERM window make sure you have your\n" +"$TERM variable set to point to a xterm definition which supports color.\n" +"Otherwise, Menuconfig will look rather bad. Menuconfig will not\n" +"display correctly in a RXVT window because rxvt displays only one\n" +"intensity of color, bright.\n" +"\n" +"Menuconfig will display larger menus on screens or xterms which are\n" +"set to display more than the standard 25 row by 80 column geometry.\n" +"In order for this to work, the \"stty size\" command must be able to\n" +"display the screen's current row and column geometry. I STRONGLY\n" +"RECOMMEND that you make sure you do NOT have the shell variables\n" +"LINES and COLUMNS exported into your environment. Some distributions\n" +"export those variables via /etc/profile. Some ncurses programs can\n" +"become confused when those variables (LINES & COLUMNS) don't reflect\n" +"the true screen size.\n" +"\n" +"Optional personality available\n" +"------------------------------\n" +"If you prefer to have all of the options listed in a single\n" +"menu, rather than the default multimenu hierarchy, run the menuconfig\n" +"with MENUCONFIG_MODE environment variable set to single_menu. Example:\n" +"\n" +"make MENUCONFIG_MODE=single_menu menuconfig\n" +"\n" +" will then unroll the appropriate category, or enfold it if it\n" +"is already unrolled.\n" +"\n" +"Note that this mode can eventually be a little more CPU expensive\n" +"(especially with a larger number of unrolled categories) than the\n" +"default mode.\n", +menu_instructions[] = "Arrow keys navigate the menu. " " selects submenus --->. " "Highlighted letters are hotkeys. " "Pressing selectes a feature, while will exclude a feature. " - "Press to exit, for Help. " + "Press to exit, for Help, for Search. " "Legend: [*] feature is selected [ ] feature is excluded", radiolist_instructions[] = "Use the arrow keys to navigate this window or " @@ -85,23 +217,50 @@ save_config_help[] = "\n" "If you are uncertain what all this means then you should probably\n" "leave this blank.\n", -top_menu_help[] = +search_help[] = "\n" - "Use the Up/Down arrow keys (cursor keys) to highlight the item\n" - "you wish to change or submenu wish to select and press .\n" - "Submenus are designated by \"--->\".\n" + "Search for CONFIG_ symbols and display their relations.\n" + "Example: search for \"^FOO\"\n" + "Result:\n" + "-----------------------------------------------------------------\n" + "Symbol: FOO [=m]\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 ( [=y])\n" + "Selects: LIBCRC32\n" + "Selected by: BAR\n" + "-----------------------------------------------------------------\n" + "o The line 'Prompt:' shows the text used in the menu structure for\n" + " this CONFIG_ symbol\n" + "o The 'Defined at' line tell at what file / line number the symbol\n" + " is defined\n" + "o The 'Depends on:' line tell what symbols needs to be defined for\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" + "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" "\n" - "Shortcut: Press the option's highlighted letter (hotkey).\n" - "\n" - "You may also use the and keys to scroll\n" - "unseen options into view.\n" -; + "Only relevant lines are shown.\n" + "\n\n" + "Search examples:\n" + "Examples: USB => find all CONFIG_ symbols containing USB\n" + " ^USB => find all CONFIG_ symbols starting with USB\n" + " USB$ => find all CONFIG_ symbols ending with USB\n" + "\n"; static char filename[PATH_MAX+1] = ".config"; -static int indent = 0; +static int indent; static struct termios ios_org; -static int rows, cols; -struct menu *current_menu; +static int rows = 0, cols = 0; +static struct menu *current_menu; static int child_count; static int single_menu_mode; @@ -116,33 +275,31 @@ static void conf_save(void); 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); -static void show_readme(void); +static void show_file(const char *filename, const char *title, int r, int c); static void init_wsize(void) { struct winsize ws; char *env; - if (ioctl(1, TIOCGWINSZ, &ws) == -1) { - rows = 24; - cols = 80; - } else { + if (!ioctl(STDIN_FILENO, TIOCGWINSZ, &ws)) { rows = ws.ws_row; cols = ws.ws_col; - if (!rows) { - env = getenv("LINES"); - if (env) - rows = atoi(env); - if (!rows) - rows = 24; - } - if (!cols) { - env = getenv("COLUMNS"); - if (env) - cols = atoi(env); - if (!cols) - cols = 80; - } + } + + if (!rows) { + env = getenv("LINES"); + if (env) + rows = atoi(env); + if (!rows) + rows = 24; + } + if (!cols) { + env = getenv("COLUMNS"); + if (env) + cols = atoi(env); + if (!cols) + cols = 80; } if (rows < 19 || cols < 80) { @@ -169,7 +326,7 @@ static void cmake(void) items[item_no]->namelen = 0; item_no++; } - + static int cprint_name(const char *fmt, ...) { va_list ap; @@ -186,7 +343,7 @@ static int cprint_name(const char *fmt, ...) return res; } - + static int cprint_tag(const char *fmt, ...) { va_list ap; @@ -200,7 +357,7 @@ static int cprint_tag(const char *fmt, ...) return res; } - + static void cdone(void) { int i; @@ -214,6 +371,103 @@ static void cdone(void) item_no = 0; } +static void get_prompt_str(struct gstr *r, struct property *prop) +{ + int i, j; + struct menu *submenu[8], *menu; + + str_printf(r, "Prompt: %s\n", prop->text); + str_printf(r, " Defined at %s:%d\n", prop->menu->file->name, + prop->menu->lineno); + if (!expr_is_yes(prop->visible.expr)) { + str_append(r, " Depends on: "); + expr_gstr_print(prop->visible.expr, r); + str_append(r, "\n"); + } + menu = prop->menu->parent; + for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent) + submenu[i++] = menu; + if (i > 0) { + str_printf(r, " Location:\n"); + for (j = 4; --i >= 0; j += 2) { + menu = submenu[i]; + str_printf(r, "%*c-> %s", j, ' ', menu_get_prompt(menu)); + if (menu->sym) { + str_printf(r, " (%s [=%s])", menu->sym->name ? + menu->sym->name : "", + sym_get_string_value(menu->sym)); + } + str_append(r, "\n"); + } + } +} + +static void get_symbol_str(struct gstr *r, struct symbol *sym) +{ + bool hit; + struct property *prop; + + str_printf(r, "Symbol: %s [=%s]\n", sym->name, + sym_get_string_value(sym)); + for_all_prompts(sym, prop) + get_prompt_str(r, prop); + hit = false; + for_all_properties(sym, prop, P_SELECT) { + if (!hit) { + str_append(r, " Selects: "); + hit = true; + } else + str_printf(r, " && "); + expr_gstr_print(prop->expr, r); + } + if (hit) + str_append(r, "\n"); + if (sym->rev_dep.expr) { + str_append(r, " Selected by: "); + expr_gstr_print(sym->rev_dep.expr, r); + str_append(r, "\n"); + } + str_append(r, "\n\n"); +} + +static struct gstr get_relations_str(struct symbol **sym_arr) +{ + struct symbol *sym; + struct gstr res = str_new(); + int i; + + for (i = 0; sym_arr && (sym = sym_arr[i]); i++) + get_symbol_str(&res, sym); + if (!i) + str_append(&res, "No matches found.\n"); + return res; +} + +static void search_conf(void) +{ + struct symbol **sym_arr; + struct gstr res; + +again: + switch (dialog_inputbox("Search Configuration Parameter", + "Enter Keyword", 10, 75, + NULL)) { + case 0: + break; + case 1: + show_helptext("Search Configuration", search_help); + goto again; + default: + return; + } + + sym_arr = sym_re_search(dialog_input_result); + res = get_relations_str(sym_arr); + free(sym_arr); + show_textbox("Search Results", str_get(&res), 0, 0); + str_free(&res); +} + static void build_conf(struct menu *menu) { struct symbol *sym; @@ -381,7 +635,7 @@ static void conf(struct menu *menu) while (1) { indent = 0; child_count = 0; - current_menu = menu; + current_menu = menu; cdone(); cinit(); build_conf(menu); if (!child_count) @@ -446,7 +700,7 @@ static void conf(struct menu *menu) if (sym) show_help(submenu); else - show_readme(); + show_helptext("README", mconf_readme); break; case 3: if (type == 't') { @@ -470,6 +724,9 @@ static void conf(struct menu *menu) else if (type == 'm') conf(submenu); break; + case 7: + search_conf(); + break; } } } @@ -481,37 +738,39 @@ static void show_textbox(const char *title, const char *text, int r, int c) fd = creat(".help.tmp", 0777); write(fd, text, strlen(text)); close(fd); - while (dialog_textbox(title, ".help.tmp", r, c) < 0) - ; + show_file(".help.tmp", title, r, c); unlink(".help.tmp"); } static void show_helptext(const char *title, const char *text) { - show_textbox(title, text, rows, cols); + show_textbox(title, text, 0, 0); } static void show_help(struct menu *menu) { - const char *help; - char *helptext; + struct gstr help = str_new(); struct symbol *sym = menu->sym; - help = sym->help; - if (!help) - help = nohelp_text; - if (sym->name) { - helptext = malloc(strlen(sym->name) + strlen(help) + 16); - sprintf(helptext, "%s:\n\n%s", sym->name, help); - show_helptext(menu_get_prompt(menu), helptext); - free(helptext); - } else - show_helptext(menu_get_prompt(menu), help); + if (sym->help) + { + if (sym->name) { + str_printf(&help, "%s:\n\n", sym->name); + str_append(&help, sym->help); + str_append(&help, "\n"); + } + } else { + str_append(&help, nohelp_text); + } + get_symbol_str(&help, sym); + show_helptext(menu_get_prompt(menu), str_get(&help)); + str_free(&help); } -static void show_readme(void) +static void show_file(const char *filename, const char *title, int r, int c) { - show_helptext("Help", top_menu_help); + while (dialog_textbox(title, filename, r ? r : rows, c ? c : cols) < 0) + ; } static void conf_choice(struct menu *menu) @@ -672,9 +931,9 @@ static void winch_handler(int sig) int main(int ac, char **av) { - int stat; - char *mode; struct symbol *sym; + char *mode; + int stat; conf_parse(av[1]); conf_read(NULL); @@ -689,20 +948,20 @@ int main(int ac, char **av) if (!strcasecmp(mode, "single_menu")) single_menu_mode = 1; } - + tcgetattr(1, &ios_org); atexit(conf_cleanup); init_wsize(); init_dialog(); - signal(SIGWINCH, winch_handler); + signal(SIGWINCH, winch_handler); conf(&rootmenu); end_dialog(); /* Restart dialog to act more like when lxdialog was still separate */ init_dialog(); do { - stat = dialog_yesno(NULL, - "Do you wish to save your new uClibc configuration?", 5, 60); + stat = dialog_yesno(NULL, + "Do you wish to save your new uClibc configuration?", 5, 60); } while (stat < 0); end_dialog(); -- cgit v1.2.3