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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
6dd60135 NK |
2 | #include "util/cache.h" |
3 | #include "util/debug.h" | |
4 | #include "ui/browser.h" | |
95e8d97e | 5 | #include "ui/keysyms.h" |
6dd60135 NK |
6 | #include "ui/ui.h" |
7 | #include "ui/util.h" | |
8 | #include "ui/libslang.h" | |
9 | #include "util/header.h" | |
10 | #include "util/session.h" | |
11 | ||
b0742e90 ACM |
12 | #include <sys/ttydefaults.h> |
13 | ||
6dd60135 NK |
14 | static void ui_browser__argv_write(struct ui_browser *browser, |
15 | void *entry, int row) | |
16 | { | |
17 | char **arg = entry; | |
18 | char *str = *arg; | |
19 | char empty[] = " "; | |
20 | bool current_entry = ui_browser__is_current_entry(browser, row); | |
21 | unsigned long offset = (unsigned long)browser->priv; | |
22 | ||
23 | if (offset >= strlen(str)) | |
24 | str = empty; | |
25 | else | |
26 | str = str + offset; | |
27 | ||
28 | ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : | |
29 | HE_COLORSET_NORMAL); | |
30 | ||
26270a00 | 31 | ui_browser__write_nstring(browser, str, browser->width); |
6dd60135 NK |
32 | } |
33 | ||
34 | static int list_menu__run(struct ui_browser *menu) | |
35 | { | |
36 | int key; | |
37 | unsigned long offset; | |
38 | const char help[] = | |
39 | "h/?/F1 Show this window\n" | |
40 | "UP/DOWN/PGUP\n" | |
41 | "PGDN/SPACE\n" | |
42 | "LEFT/RIGHT Navigate\n" | |
43 | "q/ESC/CTRL+C Exit browser"; | |
44 | ||
45 | if (ui_browser__show(menu, "Header information", "Press 'q' to exit") < 0) | |
46 | return -1; | |
47 | ||
48 | while (1) { | |
49 | key = ui_browser__run(menu, 0); | |
50 | ||
51 | switch (key) { | |
52 | case K_RIGHT: | |
53 | offset = (unsigned long)menu->priv; | |
54 | offset += 10; | |
55 | menu->priv = (void *)offset; | |
56 | continue; | |
57 | case K_LEFT: | |
58 | offset = (unsigned long)menu->priv; | |
59 | if (offset >= 10) | |
60 | offset -= 10; | |
61 | menu->priv = (void *)offset; | |
62 | continue; | |
63 | case K_F1: | |
64 | case 'h': | |
65 | case '?': | |
66 | ui_browser__help_window(menu, help); | |
67 | continue; | |
68 | case K_ESC: | |
69 | case 'q': | |
70 | case CTRL('c'): | |
71 | key = -1; | |
72 | break; | |
73 | default: | |
74 | continue; | |
75 | } | |
76 | ||
77 | break; | |
78 | } | |
79 | ||
80 | ui_browser__hide(menu); | |
81 | return key; | |
82 | } | |
83 | ||
84 | static int ui__list_menu(int argc, char * const argv[]) | |
85 | { | |
86 | struct ui_browser menu = { | |
87 | .entries = (void *)argv, | |
88 | .refresh = ui_browser__argv_refresh, | |
89 | .seek = ui_browser__argv_seek, | |
90 | .write = ui_browser__argv_write, | |
91 | .nr_entries = argc, | |
92 | }; | |
93 | ||
94 | return list_menu__run(&menu); | |
95 | } | |
96 | ||
ce80d3be | 97 | int tui__header_window(struct perf_env *env) |
6dd60135 NK |
98 | { |
99 | int i, argc = 0; | |
100 | char **argv; | |
101 | struct perf_session *session; | |
102 | char *ptr, *pos; | |
103 | size_t size; | |
104 | FILE *fp = open_memstream(&ptr, &size); | |
105 | ||
106 | session = container_of(env, struct perf_session, header.env); | |
107 | perf_header__fprintf_info(session, fp, true); | |
108 | fclose(fp); | |
109 | ||
110 | for (pos = ptr, argc = 0; (pos = strchr(pos, '\n')) != NULL; pos++) | |
111 | argc++; | |
112 | ||
113 | argv = calloc(argc + 1, sizeof(*argv)); | |
114 | if (argv == NULL) | |
115 | goto out; | |
116 | ||
117 | argv[0] = pos = ptr; | |
118 | for (i = 1; (pos = strchr(pos, '\n')) != NULL; i++) { | |
119 | *pos++ = '\0'; | |
120 | argv[i] = pos; | |
121 | } | |
122 | ||
123 | BUG_ON(i != argc + 1); | |
124 | ||
125 | ui__list_menu(argc, argv); | |
126 | ||
127 | out: | |
128 | free(argv); | |
129 | free(ptr); | |
130 | return 0; | |
131 | } |