| Namhyung Kim | 6dd6013 | 2013-12-26 14:37:59 +0900 | [diff] [blame^] | 1 | #include "util/cache.h" |
| 2 | #include "util/debug.h" |
| 3 | #include "ui/browser.h" |
| 4 | #include "ui/ui.h" |
| 5 | #include "ui/util.h" |
| 6 | #include "ui/libslang.h" |
| 7 | #include "util/header.h" |
| 8 | #include "util/session.h" |
| 9 | |
| 10 | static void ui_browser__argv_write(struct ui_browser *browser, |
| 11 | void *entry, int row) |
| 12 | { |
| 13 | char **arg = entry; |
| 14 | char *str = *arg; |
| 15 | char empty[] = " "; |
| 16 | bool current_entry = ui_browser__is_current_entry(browser, row); |
| 17 | unsigned long offset = (unsigned long)browser->priv; |
| 18 | |
| 19 | if (offset >= strlen(str)) |
| 20 | str = empty; |
| 21 | else |
| 22 | str = str + offset; |
| 23 | |
| 24 | ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : |
| 25 | HE_COLORSET_NORMAL); |
| 26 | |
| 27 | slsmg_write_nstring(str, browser->width); |
| 28 | } |
| 29 | |
| 30 | static int list_menu__run(struct ui_browser *menu) |
| 31 | { |
| 32 | int key; |
| 33 | unsigned long offset; |
| 34 | const char help[] = |
| 35 | "h/?/F1 Show this window\n" |
| 36 | "UP/DOWN/PGUP\n" |
| 37 | "PGDN/SPACE\n" |
| 38 | "LEFT/RIGHT Navigate\n" |
| 39 | "q/ESC/CTRL+C Exit browser"; |
| 40 | |
| 41 | if (ui_browser__show(menu, "Header information", "Press 'q' to exit") < 0) |
| 42 | return -1; |
| 43 | |
| 44 | while (1) { |
| 45 | key = ui_browser__run(menu, 0); |
| 46 | |
| 47 | switch (key) { |
| 48 | case K_RIGHT: |
| 49 | offset = (unsigned long)menu->priv; |
| 50 | offset += 10; |
| 51 | menu->priv = (void *)offset; |
| 52 | continue; |
| 53 | case K_LEFT: |
| 54 | offset = (unsigned long)menu->priv; |
| 55 | if (offset >= 10) |
| 56 | offset -= 10; |
| 57 | menu->priv = (void *)offset; |
| 58 | continue; |
| 59 | case K_F1: |
| 60 | case 'h': |
| 61 | case '?': |
| 62 | ui_browser__help_window(menu, help); |
| 63 | continue; |
| 64 | case K_ESC: |
| 65 | case 'q': |
| 66 | case CTRL('c'): |
| 67 | key = -1; |
| 68 | break; |
| 69 | default: |
| 70 | continue; |
| 71 | } |
| 72 | |
| 73 | break; |
| 74 | } |
| 75 | |
| 76 | ui_browser__hide(menu); |
| 77 | return key; |
| 78 | } |
| 79 | |
| 80 | static int ui__list_menu(int argc, char * const argv[]) |
| 81 | { |
| 82 | struct ui_browser menu = { |
| 83 | .entries = (void *)argv, |
| 84 | .refresh = ui_browser__argv_refresh, |
| 85 | .seek = ui_browser__argv_seek, |
| 86 | .write = ui_browser__argv_write, |
| 87 | .nr_entries = argc, |
| 88 | }; |
| 89 | |
| 90 | return list_menu__run(&menu); |
| 91 | } |
| 92 | |
| 93 | int tui__header_window(struct perf_session_env *env) |
| 94 | { |
| 95 | int i, argc = 0; |
| 96 | char **argv; |
| 97 | struct perf_session *session; |
| 98 | char *ptr, *pos; |
| 99 | size_t size; |
| 100 | FILE *fp = open_memstream(&ptr, &size); |
| 101 | |
| 102 | session = container_of(env, struct perf_session, header.env); |
| 103 | perf_header__fprintf_info(session, fp, true); |
| 104 | fclose(fp); |
| 105 | |
| 106 | for (pos = ptr, argc = 0; (pos = strchr(pos, '\n')) != NULL; pos++) |
| 107 | argc++; |
| 108 | |
| 109 | argv = calloc(argc + 1, sizeof(*argv)); |
| 110 | if (argv == NULL) |
| 111 | goto out; |
| 112 | |
| 113 | argv[0] = pos = ptr; |
| 114 | for (i = 1; (pos = strchr(pos, '\n')) != NULL; i++) { |
| 115 | *pos++ = '\0'; |
| 116 | argv[i] = pos; |
| 117 | } |
| 118 | |
| 119 | BUG_ON(i != argc + 1); |
| 120 | |
| 121 | ui__list_menu(argc, argv); |
| 122 | |
| 123 | out: |
| 124 | free(argv); |
| 125 | free(ptr); |
| 126 | return 0; |
| 127 | } |