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