Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
[~shefty/rdma-dev.git] / tools / perf / util / ui / util.c
1 #include <newt.h>
2 #include <signal.h>
3 #include <stdio.h>
4 #include <stdbool.h>
5 #include <string.h>
6 #include <sys/ttydefaults.h>
7
8 #include "../cache.h"
9 #include "../debug.h"
10 #include "browser.h"
11 #include "helpline.h"
12 #include "ui.h"
13 #include "util.h"
14
15 static void newt_form__set_exit_keys(newtComponent self)
16 {
17         newtFormAddHotKey(self, NEWT_KEY_LEFT);
18         newtFormAddHotKey(self, NEWT_KEY_ESCAPE);
19         newtFormAddHotKey(self, 'Q');
20         newtFormAddHotKey(self, 'q');
21         newtFormAddHotKey(self, CTRL('c'));
22 }
23
24 static newtComponent newt_form__new(void)
25 {
26         newtComponent self = newtForm(NULL, NULL, 0);
27         if (self)
28                 newt_form__set_exit_keys(self);
29         return self;
30 }
31
32 int ui__popup_menu(int argc, char * const argv[])
33 {
34         struct newtExitStruct es;
35         int i, rc = -1, max_len = 5;
36         newtComponent listbox, form = newt_form__new();
37
38         if (form == NULL)
39                 return -1;
40
41         listbox = newtListbox(0, 0, argc, NEWT_FLAG_RETURNEXIT);
42         if (listbox == NULL)
43                 goto out_destroy_form;
44
45         newtFormAddComponent(form, listbox);
46
47         for (i = 0; i < argc; ++i) {
48                 int len = strlen(argv[i]);
49                 if (len > max_len)
50                         max_len = len;
51                 if (newtListboxAddEntry(listbox, argv[i], (void *)(long)i))
52                         goto out_destroy_form;
53         }
54
55         newtCenteredWindow(max_len, argc, NULL);
56         newtFormRun(form, &es);
57         rc = newtListboxGetCurrent(listbox) - NULL;
58         if (es.reason == NEWT_EXIT_HOTKEY)
59                 rc = -1;
60         newtPopWindow();
61 out_destroy_form:
62         newtFormDestroy(form);
63         return rc;
64 }
65
66 int ui__help_window(const char *text)
67 {
68         struct newtExitStruct es;
69         newtComponent tb, form = newt_form__new();
70         int rc = -1;
71         int max_len = 0, nr_lines = 0;
72         const char *t;
73
74         if (form == NULL)
75                 return -1;
76
77         t = text;
78         while (1) {
79                 const char *sep = strchr(t, '\n');
80                 int len;
81
82                 if (sep == NULL)
83                         sep = strchr(t, '\0');
84                 len = sep - t;
85                 if (max_len < len)
86                         max_len = len;
87                 ++nr_lines;
88                 if (*sep == '\0')
89                         break;
90                 t = sep + 1;
91         }
92
93         tb = newtTextbox(0, 0, max_len, nr_lines, 0);
94         if (tb == NULL)
95                 goto out_destroy_form;
96
97         newtTextboxSetText(tb, text);
98         newtFormAddComponent(form, tb);
99         newtCenteredWindow(max_len, nr_lines, NULL);
100         newtFormRun(form, &es);
101         newtPopWindow();
102         rc = 0;
103 out_destroy_form:
104         newtFormDestroy(form);
105         return rc;
106 }
107
108 static const char yes[] = "Yes", no[] = "No",
109                   warning_str[] = "Warning!", ok[] = "Ok";
110
111 bool ui__dialog_yesno(const char *msg)
112 {
113         /* newtWinChoice should really be accepting const char pointers... */
114         return newtWinChoice(NULL, (char *)yes, (char *)no, (char *)msg) == 1;
115 }
116
117 void ui__warning(const char *format, ...)
118 {
119         va_list args;
120
121         va_start(args, format);
122         if (use_browser > 0) {
123                 pthread_mutex_lock(&ui__lock);
124                 newtWinMessagev((char *)warning_str, (char *)ok,
125                                 (char *)format, args);
126                 pthread_mutex_unlock(&ui__lock);
127         } else
128                 vfprintf(stderr, format, args);
129         va_end(args);
130 }