xref: /linux/tools/perf/ui/tui/progress.c (revision ef69f8d2ff09518657c3ecaf2db8408c16549829)
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 
11 static void __tui_progress__init(struct ui_progress *p)
12 {
13 	p->next = p->step = p->total / (SLtt_Screen_Cols - 2) ?: 1;
14 }
15 
16 static 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 
29 static 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 
63 static 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 
79 static struct ui_progress_ops tui_progress__ops = {
80 	.init   = __tui_progress__init,
81 	.update = tui_progress__update,
82 	.finish = tui_progress__finish,
83 };
84 
85 void tui_progress__init(void)
86 {
87 	ui_progress__ops = &tui_progress__ops;
88 }
89