Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0
2#include <linux/kernel.h>
3#include "../cache.h"
4#include "../progress.h"
5#include "../libslang.h"
6#include "../ui.h"
7#include "tui.h"
8#include "units.h"
9#include "../browser.h"
10
11static void __tui_progress__init(struct ui_progress *p)
12{
13 p->next = p->step = p->total / (SLtt_Screen_Cols - 2) ?: 1;
14}
15
16static int get_title(struct ui_progress *p, char *buf, size_t size)
17{
18 char buf_cur[20];
19 char buf_tot[20];
20 int ret;
21
22 ret = unit_number__scnprintf(buf_cur, sizeof(buf_cur), p->curr);
23 ret += unit_number__scnprintf(buf_tot, sizeof(buf_tot), p->total);
24
25 return ret + scnprintf(buf, size, "%s [%s/%s]",
26 p->title, buf_cur, buf_tot);
27}
28
29static void tui_progress__update(struct ui_progress *p)
30{
31 char buf[100], *title = (char *) p->title;
32 int bar, y;
33 /*
34 * FIXME: We should have a per UI backend way of showing progress,
35 * stdio will just show a percentage as NN%, etc.
36 */
37 if (use_browser <= 0)
38 return;
39
40 if (p->total == 0)
41 return;
42
43 if (p->size) {
44 get_title(p, buf, sizeof(buf));
45 title = buf;
46 }
47
48 ui__refresh_dimensions(false);
49 pthread_mutex_lock(&ui__lock);
50 y = SLtt_Screen_Rows / 2 - 2;
51 SLsmg_set_color(0);
52 SLsmg_draw_box(y, 0, 3, SLtt_Screen_Cols);
53 SLsmg_gotorc(y++, 1);
54 SLsmg_write_string(title);
55 SLsmg_fill_region(y, 1, 1, SLtt_Screen_Cols - 2, ' ');
56 SLsmg_set_color(HE_COLORSET_SELECTED);
57 bar = ((SLtt_Screen_Cols - 2) * p->curr) / p->total;
58 SLsmg_fill_region(y, 1, 1, bar, ' ');
59 SLsmg_refresh();
60 pthread_mutex_unlock(&ui__lock);
61}
62
63static void tui_progress__finish(void)
64{
65 int y;
66
67 if (use_browser <= 0)
68 return;
69
70 ui__refresh_dimensions(false);
71 pthread_mutex_lock(&ui__lock);
72 y = SLtt_Screen_Rows / 2 - 2;
73 SLsmg_set_color(0);
74 SLsmg_fill_region(y, 0, 3, SLtt_Screen_Cols, ' ');
75 SLsmg_refresh();
76 pthread_mutex_unlock(&ui__lock);
77}
78
79static struct ui_progress_ops tui_progress__ops = {
80 .init = __tui_progress__init,
81 .update = tui_progress__update,
82 .finish = tui_progress__finish,
83};
84
85void tui_progress__init(void)
86{
87 ui_progress__ops = &tui_progress__ops;
88}