linux/linux-5.4.31/tools/perf/ui/tui/progress.c

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2024-01-30 10:43:28 +00:00
// SPDX-License-Identifier: GPL-2.0
#include <linux/kernel.h>
#include "../progress.h"
#include "../libslang.h"
#include "../ui.h"
#include "tui.h"
#include "units.h"
#include "../browser.h"
static void __tui_progress__init(struct ui_progress *p)
{
p->next = p->step = p->total / (SLtt_Screen_Cols - 2) ?: 1;
}
static int get_title(struct ui_progress *p, char *buf, size_t size)
{
char buf_cur[20];
char buf_tot[20];
int ret;
ret = unit_number__scnprintf(buf_cur, sizeof(buf_cur), p->curr);
ret += unit_number__scnprintf(buf_tot, sizeof(buf_tot), p->total);
return ret + scnprintf(buf, size, "%s [%s/%s]",
p->title, buf_cur, buf_tot);
}
static void tui_progress__update(struct ui_progress *p)
{
char buf[100], *title = (char *) p->title;
int bar, y;
/*
* FIXME: We should have a per UI backend way of showing progress,
* stdio will just show a percentage as NN%, etc.
*/
if (use_browser <= 0)
return;
if (p->total == 0)
return;
if (p->size) {
get_title(p, buf, sizeof(buf));
title = buf;
}
ui__refresh_dimensions(false);
pthread_mutex_lock(&ui__lock);
y = SLtt_Screen_Rows / 2 - 2;
SLsmg_set_color(0);
SLsmg_draw_box(y, 0, 3, SLtt_Screen_Cols);
SLsmg_gotorc(y++, 1);
SLsmg_write_string(title);
SLsmg_fill_region(y, 1, 1, SLtt_Screen_Cols - 2, ' ');
SLsmg_set_color(HE_COLORSET_SELECTED);
bar = ((SLtt_Screen_Cols - 2) * p->curr) / p->total;
SLsmg_fill_region(y, 1, 1, bar, ' ');
SLsmg_refresh();
pthread_mutex_unlock(&ui__lock);
}
static void tui_progress__finish(void)
{
int y;
if (use_browser <= 0)
return;
ui__refresh_dimensions(false);
pthread_mutex_lock(&ui__lock);
y = SLtt_Screen_Rows / 2 - 2;
SLsmg_set_color(0);
SLsmg_fill_region(y, 0, 3, SLtt_Screen_Cols, ' ');
SLsmg_refresh();
pthread_mutex_unlock(&ui__lock);
}
static struct ui_progress_ops tui_progress__ops = {
.init = __tui_progress__init,
.update = tui_progress__update,
.finish = tui_progress__finish,
};
void tui_progress__init(void)
{
ui_progress__ops = &tui_progress__ops;
}