linux-stable-rt/tools/perf/util/ui/util.c

131 lines
2.7 KiB
C

#include <newt.h>
#include <signal.h>
#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#include <sys/ttydefaults.h>
#include "../cache.h"
#include "../debug.h"
#include "browser.h"
#include "helpline.h"
#include "ui.h"
#include "util.h"
static void newt_form__set_exit_keys(newtComponent self)
{
newtFormAddHotKey(self, NEWT_KEY_LEFT);
newtFormAddHotKey(self, NEWT_KEY_ESCAPE);
newtFormAddHotKey(self, 'Q');
newtFormAddHotKey(self, 'q');
newtFormAddHotKey(self, CTRL('c'));
}
static newtComponent newt_form__new(void)
{
newtComponent self = newtForm(NULL, NULL, 0);
if (self)
newt_form__set_exit_keys(self);
return self;
}
int ui__popup_menu(int argc, char * const argv[])
{
struct newtExitStruct es;
int i, rc = -1, max_len = 5;
newtComponent listbox, form = newt_form__new();
if (form == NULL)
return -1;
listbox = newtListbox(0, 0, argc, NEWT_FLAG_RETURNEXIT);
if (listbox == NULL)
goto out_destroy_form;
newtFormAddComponent(form, listbox);
for (i = 0; i < argc; ++i) {
int len = strlen(argv[i]);
if (len > max_len)
max_len = len;
if (newtListboxAddEntry(listbox, argv[i], (void *)(long)i))
goto out_destroy_form;
}
newtCenteredWindow(max_len, argc, NULL);
newtFormRun(form, &es);
rc = newtListboxGetCurrent(listbox) - NULL;
if (es.reason == NEWT_EXIT_HOTKEY)
rc = -1;
newtPopWindow();
out_destroy_form:
newtFormDestroy(form);
return rc;
}
int ui__help_window(const char *text)
{
struct newtExitStruct es;
newtComponent tb, form = newt_form__new();
int rc = -1;
int max_len = 0, nr_lines = 0;
const char *t;
if (form == NULL)
return -1;
t = text;
while (1) {
const char *sep = strchr(t, '\n');
int len;
if (sep == NULL)
sep = strchr(t, '\0');
len = sep - t;
if (max_len < len)
max_len = len;
++nr_lines;
if (*sep == '\0')
break;
t = sep + 1;
}
tb = newtTextbox(0, 0, max_len, nr_lines, 0);
if (tb == NULL)
goto out_destroy_form;
newtTextboxSetText(tb, text);
newtFormAddComponent(form, tb);
newtCenteredWindow(max_len, nr_lines, NULL);
newtFormRun(form, &es);
newtPopWindow();
rc = 0;
out_destroy_form:
newtFormDestroy(form);
return rc;
}
static const char yes[] = "Yes", no[] = "No",
warning_str[] = "Warning!", ok[] = "Ok";
bool ui__dialog_yesno(const char *msg)
{
/* newtWinChoice should really be accepting const char pointers... */
return newtWinChoice(NULL, (char *)yes, (char *)no, (char *)msg) == 1;
}
void ui__warning(const char *format, ...)
{
va_list args;
va_start(args, format);
if (use_browser > 0) {
pthread_mutex_lock(&ui__lock);
newtWinMessagev((char *)warning_str, (char *)ok,
(char *)format, args);
pthread_mutex_unlock(&ui__lock);
} else
vfprintf(stderr, format, args);
va_end(args);
}