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