projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | /* |
| 2 | * Ncurses bindings example. | |
| 3 | * | |
| 4 | * VALGRIND NOTE: when you use ncurses, there seems to be no way to get a | |
| 5 | * clean valgrind run. Even if ncurses state is properly shut down, there | |
| 6 | * will still be some residual leaks. | |
| 7 | * | |
| 8 | * Debian: install libncurses5-dev | |
| 9 | */ | |
| 10 | ||
| 11 | #include <curses.h> | |
| 12 | #include "duktape.h" | |
| 13 | ||
| 14 | static int ncurses_initscr(duk_context *ctx) { | |
| 15 | WINDOW *win; | |
| 16 | ||
| 17 | win = initscr(); | |
| 18 | duk_push_pointer(ctx, (void *) win); | |
| 19 | return 1; | |
| 20 | } | |
| 21 | ||
| 22 | static int ncurses_endwin(duk_context *ctx) { | |
| 23 | int rc; | |
| 24 | ||
| 25 | rc = endwin(); | |
| 26 | duk_push_int(ctx, rc); | |
| 27 | return 1; | |
| 28 | } | |
| 29 | ||
| 30 | static int ncurses_delscreen(duk_context *ctx) { | |
| 31 | /* XXX: no screen management now */ | |
| 32 | (void) ctx; | |
| 33 | return 0; | |
| 34 | } | |
| 35 | ||
| 36 | static int ncurses_getmaxyx(duk_context *ctx) { | |
| 37 | int row, col; | |
| 38 | ||
| 39 | getmaxyx(stdscr, row, col); | |
| 40 | ||
| 41 | duk_push_array(ctx); | |
| 42 | duk_push_int(ctx, row); | |
| 43 | duk_put_prop_index(ctx, -2, 0); | |
| 44 | duk_push_int(ctx, col); | |
| 45 | duk_put_prop_index(ctx, -2, 1); | |
| 46 | return 1; | |
| 47 | } | |
| 48 | ||
| 49 | static int ncurses_printw(duk_context *ctx) { | |
| 50 | int rc; | |
| 51 | const char *str; | |
| 52 | ||
| 53 | str = duk_to_string(ctx, 0); | |
| 54 | rc = printw("%s", str); | |
| 55 | duk_push_int(ctx, rc); | |
| 56 | return 1; | |
| 57 | } | |
| 58 | ||
| 59 | static int ncurses_mvprintw(duk_context *ctx) { | |
| 60 | int y = duk_to_int(ctx, 0); | |
| 61 | int x = duk_to_int(ctx, 1); | |
| 62 | const char *str = duk_to_string(ctx, 2); | |
| 63 | int rc; | |
| 64 | ||
| 65 | rc = mvprintw(y, x, "%s", str); | |
| 66 | duk_push_int(ctx, rc); | |
| 67 | return 1; | |
| 68 | } | |
| 69 | ||
| 70 | static int ncurses_refresh(duk_context *ctx) { | |
| 71 | int rc; | |
| 72 | ||
| 73 | rc = refresh(); | |
| 74 | duk_push_int(ctx, rc); | |
| 75 | return 1; | |
| 76 | } | |
| 77 | ||
| 78 | static int ncurses_getch(duk_context *ctx) { | |
| 79 | int rc; | |
| 80 | ||
| 81 | rc = getch(); | |
| 82 | duk_push_int(ctx, rc); | |
| 83 | return 1; | |
| 84 | } | |
| 85 | ||
| 86 | static duk_function_list_entry ncurses_funcs[] = { | |
| 87 | { "initscr", ncurses_initscr, 0 }, | |
| 88 | { "endwin", ncurses_endwin, 0 }, | |
| 89 | { "delscreen", ncurses_delscreen, 0 }, | |
| 90 | { "getmaxyx", ncurses_getmaxyx, 0 }, | |
| 91 | { "printw", ncurses_printw, 1 }, | |
| 92 | { "mvprintw", ncurses_mvprintw, 3 }, | |
| 93 | { "refresh", ncurses_refresh, 0 }, | |
| 94 | { "getch", ncurses_getch, 0 }, | |
| 95 | { NULL, NULL, 0 } | |
| 96 | }; | |
| 97 | ||
| 98 | void ncurses_register(duk_context *ctx) { | |
| 99 | /* Set global 'Ncurses'. */ | |
| 100 | duk_push_global_object(ctx); | |
| 101 | duk_push_object(ctx); | |
| 102 | duk_put_function_list(ctx, -1, ncurses_funcs); | |
| 103 | duk_put_prop_string(ctx, -2, "Ncurses"); | |
| 104 | duk_pop(ctx); | |
| 105 | } |