1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun #include "ui/browser.h"
3*4882a593Smuzhiyun #include "ui/keysyms.h"
4*4882a593Smuzhiyun #include "ui/ui.h"
5*4882a593Smuzhiyun #include "ui/util.h"
6*4882a593Smuzhiyun #include "ui/libslang.h"
7*4882a593Smuzhiyun #include "util/header.h"
8*4882a593Smuzhiyun #include "util/session.h"
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #include <sys/ttydefaults.h>
11*4882a593Smuzhiyun
ui_browser__argv_write(struct ui_browser * browser,void * entry,int row)12*4882a593Smuzhiyun static void ui_browser__argv_write(struct ui_browser *browser,
13*4882a593Smuzhiyun void *entry, int row)
14*4882a593Smuzhiyun {
15*4882a593Smuzhiyun char **arg = entry;
16*4882a593Smuzhiyun char *str = *arg;
17*4882a593Smuzhiyun char empty[] = " ";
18*4882a593Smuzhiyun bool current_entry = ui_browser__is_current_entry(browser, row);
19*4882a593Smuzhiyun unsigned long offset = (unsigned long)browser->priv;
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun if (offset >= strlen(str))
22*4882a593Smuzhiyun str = empty;
23*4882a593Smuzhiyun else
24*4882a593Smuzhiyun str = str + offset;
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED :
27*4882a593Smuzhiyun HE_COLORSET_NORMAL);
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun ui_browser__write_nstring(browser, str, browser->width);
30*4882a593Smuzhiyun }
31*4882a593Smuzhiyun
list_menu__run(struct ui_browser * menu)32*4882a593Smuzhiyun static int list_menu__run(struct ui_browser *menu)
33*4882a593Smuzhiyun {
34*4882a593Smuzhiyun int key;
35*4882a593Smuzhiyun unsigned long offset;
36*4882a593Smuzhiyun static const char help[] =
37*4882a593Smuzhiyun "h/?/F1 Show this window\n"
38*4882a593Smuzhiyun "UP/DOWN/PGUP\n"
39*4882a593Smuzhiyun "PGDN/SPACE\n"
40*4882a593Smuzhiyun "LEFT/RIGHT Navigate\n"
41*4882a593Smuzhiyun "q/ESC/CTRL+C Exit browser";
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun if (ui_browser__show(menu, "Header information", "Press 'q' to exit") < 0)
44*4882a593Smuzhiyun return -1;
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun while (1) {
47*4882a593Smuzhiyun key = ui_browser__run(menu, 0);
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun switch (key) {
50*4882a593Smuzhiyun case K_RIGHT:
51*4882a593Smuzhiyun offset = (unsigned long)menu->priv;
52*4882a593Smuzhiyun offset += 10;
53*4882a593Smuzhiyun menu->priv = (void *)offset;
54*4882a593Smuzhiyun continue;
55*4882a593Smuzhiyun case K_LEFT:
56*4882a593Smuzhiyun offset = (unsigned long)menu->priv;
57*4882a593Smuzhiyun if (offset >= 10)
58*4882a593Smuzhiyun offset -= 10;
59*4882a593Smuzhiyun menu->priv = (void *)offset;
60*4882a593Smuzhiyun continue;
61*4882a593Smuzhiyun case K_F1:
62*4882a593Smuzhiyun case 'h':
63*4882a593Smuzhiyun case '?':
64*4882a593Smuzhiyun ui_browser__help_window(menu, help);
65*4882a593Smuzhiyun continue;
66*4882a593Smuzhiyun case K_ESC:
67*4882a593Smuzhiyun case 'q':
68*4882a593Smuzhiyun case CTRL('c'):
69*4882a593Smuzhiyun key = -1;
70*4882a593Smuzhiyun break;
71*4882a593Smuzhiyun default:
72*4882a593Smuzhiyun continue;
73*4882a593Smuzhiyun }
74*4882a593Smuzhiyun
75*4882a593Smuzhiyun break;
76*4882a593Smuzhiyun }
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun ui_browser__hide(menu);
79*4882a593Smuzhiyun return key;
80*4882a593Smuzhiyun }
81*4882a593Smuzhiyun
ui__list_menu(int argc,char * const argv[])82*4882a593Smuzhiyun static int ui__list_menu(int argc, char * const argv[])
83*4882a593Smuzhiyun {
84*4882a593Smuzhiyun struct ui_browser menu = {
85*4882a593Smuzhiyun .entries = (void *)argv,
86*4882a593Smuzhiyun .refresh = ui_browser__argv_refresh,
87*4882a593Smuzhiyun .seek = ui_browser__argv_seek,
88*4882a593Smuzhiyun .write = ui_browser__argv_write,
89*4882a593Smuzhiyun .nr_entries = argc,
90*4882a593Smuzhiyun };
91*4882a593Smuzhiyun
92*4882a593Smuzhiyun return list_menu__run(&menu);
93*4882a593Smuzhiyun }
94*4882a593Smuzhiyun
tui__header_window(struct perf_env * env)95*4882a593Smuzhiyun int tui__header_window(struct perf_env *env)
96*4882a593Smuzhiyun {
97*4882a593Smuzhiyun int i, argc = 0;
98*4882a593Smuzhiyun char **argv;
99*4882a593Smuzhiyun struct perf_session *session;
100*4882a593Smuzhiyun char *ptr, *pos;
101*4882a593Smuzhiyun size_t size;
102*4882a593Smuzhiyun FILE *fp = open_memstream(&ptr, &size);
103*4882a593Smuzhiyun
104*4882a593Smuzhiyun session = container_of(env, struct perf_session, header.env);
105*4882a593Smuzhiyun perf_header__fprintf_info(session, fp, true);
106*4882a593Smuzhiyun fclose(fp);
107*4882a593Smuzhiyun
108*4882a593Smuzhiyun for (pos = ptr, argc = 0; (pos = strchr(pos, '\n')) != NULL; pos++)
109*4882a593Smuzhiyun argc++;
110*4882a593Smuzhiyun
111*4882a593Smuzhiyun argv = calloc(argc + 1, sizeof(*argv));
112*4882a593Smuzhiyun if (argv == NULL)
113*4882a593Smuzhiyun goto out;
114*4882a593Smuzhiyun
115*4882a593Smuzhiyun argv[0] = pos = ptr;
116*4882a593Smuzhiyun for (i = 1; (pos = strchr(pos, '\n')) != NULL; i++) {
117*4882a593Smuzhiyun *pos++ = '\0';
118*4882a593Smuzhiyun argv[i] = pos;
119*4882a593Smuzhiyun }
120*4882a593Smuzhiyun
121*4882a593Smuzhiyun BUG_ON(i != argc + 1);
122*4882a593Smuzhiyun
123*4882a593Smuzhiyun ui__list_menu(argc, argv);
124*4882a593Smuzhiyun
125*4882a593Smuzhiyun out:
126*4882a593Smuzhiyun free(argv);
127*4882a593Smuzhiyun free(ptr);
128*4882a593Smuzhiyun return 0;
129*4882a593Smuzhiyun }
130