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