linux/tools/perf/ui/util.c
Namhyung Kim aca7a94d6a perf tools: Move UI bits to tools/perf/ui directory
Move those files to new directory in order to be prepared to further UI
work. Makefile and header file pathes are adjusted accordingly.

Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Suggested-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl
Link: http://lkml.kernel.org/r/1333523666-12057-1-git-send-email-namhyung.kim@lge.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2012-04-11 17:16:40 -03:00

251 lines
4.9 KiB
C

#include "../util.h"
#include <signal.h>
#include <stdbool.h>
#include <string.h>
#include <sys/ttydefaults.h>
#include "../cache.h"
#include "../debug.h"
#include "browser.h"
#include "keysyms.h"
#include "helpline.h"
#include "ui.h"
#include "util.h"
#include "libslang.h"
static void ui_browser__argv_write(struct ui_browser *browser,
void *entry, int row)
{
char **arg = entry;
bool current_entry = ui_browser__is_current_entry(browser, row);
ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED :
HE_COLORSET_NORMAL);
slsmg_write_nstring(*arg, browser->width);
}
static int popup_menu__run(struct ui_browser *menu)
{
int key;
if (ui_browser__show(menu, " ", "ESC: exit, ENTER|->: Select option") < 0)
return -1;
while (1) {
key = ui_browser__run(menu, 0);
switch (key) {
case K_RIGHT:
case K_ENTER:
key = menu->index;
break;
case K_LEFT:
case K_ESC:
case 'q':
case CTRL('c'):
key = -1;
break;
default:
continue;
}
break;
}
ui_browser__hide(menu);
return key;
}
int ui__popup_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 popup_menu__run(&menu);
}
int ui_browser__input_window(const char *title, const char *text, char *input,
const char *exit_msg, int delay_secs)
{
int x, y, len, key;
int max_len = 60, nr_lines = 0;
static char buf[50];
const char *t;
t = text;
while (1) {
const char *sep = strchr(t, '\n');
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;
}
max_len += 2;
nr_lines += 8;
y = SLtt_Screen_Rows / 2 - nr_lines / 2;
x = SLtt_Screen_Cols / 2 - max_len / 2;
SLsmg_set_color(0);
SLsmg_draw_box(y, x++, nr_lines, max_len);
if (title) {
SLsmg_gotorc(y, x + 1);
SLsmg_write_string((char *)title);
}
SLsmg_gotorc(++y, x);
nr_lines -= 7;
max_len -= 2;
SLsmg_write_wrapped_string((unsigned char *)text, y, x,
nr_lines, max_len, 1);
y += nr_lines;
len = 5;
while (len--) {
SLsmg_gotorc(y + len - 1, x);
SLsmg_write_nstring((char *)" ", max_len);
}
SLsmg_draw_box(y++, x + 1, 3, max_len - 2);
SLsmg_gotorc(y + 3, x);
SLsmg_write_nstring((char *)exit_msg, max_len);
SLsmg_refresh();
x += 2;
len = 0;
key = ui__getch(delay_secs);
while (key != K_TIMER && key != K_ENTER && key != K_ESC) {
if (key == K_BKSPC) {
if (len == 0)
goto next_key;
SLsmg_gotorc(y, x + --len);
SLsmg_write_char(' ');
} else {
buf[len] = key;
SLsmg_gotorc(y, x + len++);
SLsmg_write_char(key);
}
SLsmg_refresh();
/* XXX more graceful overflow handling needed */
if (len == sizeof(buf) - 1) {
ui_helpline__push("maximum size of symbol name reached!");
key = K_ENTER;
break;
}
next_key:
key = ui__getch(delay_secs);
}
buf[len] = '\0';
strncpy(input, buf, len+1);
return key;
}
int ui__question_window(const char *title, const char *text,
const char *exit_msg, int delay_secs)
{
int x, y;
int max_len = 0, nr_lines = 0;
const char *t;
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;
}
max_len += 2;
nr_lines += 4;
y = SLtt_Screen_Rows / 2 - nr_lines / 2,
x = SLtt_Screen_Cols / 2 - max_len / 2;
SLsmg_set_color(0);
SLsmg_draw_box(y, x++, nr_lines, max_len);
if (title) {
SLsmg_gotorc(y, x + 1);
SLsmg_write_string((char *)title);
}
SLsmg_gotorc(++y, x);
nr_lines -= 2;
max_len -= 2;
SLsmg_write_wrapped_string((unsigned char *)text, y, x,
nr_lines, max_len, 1);
SLsmg_gotorc(y + nr_lines - 2, x);
SLsmg_write_nstring((char *)" ", max_len);
SLsmg_gotorc(y + nr_lines - 1, x);
SLsmg_write_nstring((char *)exit_msg, max_len);
SLsmg_refresh();
return ui__getch(delay_secs);
}
int ui__help_window(const char *text)
{
return ui__question_window("Help", text, "Press any key...", 0);
}
int ui__dialog_yesno(const char *msg)
{
return ui__question_window(NULL, msg, "Enter: Yes, ESC: No", 0);
}
int __ui__warning(const char *title, const char *format, va_list args)
{
char *s;
if (use_browser > 0 && vasprintf(&s, format, args) > 0) {
int key;
pthread_mutex_lock(&ui__lock);
key = ui__question_window(title, s, "Press any key...", 0);
pthread_mutex_unlock(&ui__lock);
free(s);
return key;
}
fprintf(stderr, "%s:\n", title);
vfprintf(stderr, format, args);
return K_ESC;
}
int ui__warning(const char *format, ...)
{
int key;
va_list args;
va_start(args, format);
key = __ui__warning("Warning", format, args);
va_end(args);
return key;
}
int ui__error(const char *format, ...)
{
int key;
va_list args;
va_start(args, format);
key = __ui__warning("Error", format, args);
va_end(args);
return key;
}