1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun #include <stdio.h>
3*4882a593Smuzhiyun #include <string.h>
4*4882a593Smuzhiyun #include <linux/kernel.h>
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun #include "gtk.h"
7*4882a593Smuzhiyun #include "../ui.h"
8*4882a593Smuzhiyun #include "../helpline.h"
9*4882a593Smuzhiyun
gtk_helpline_pop(void)10*4882a593Smuzhiyun static void gtk_helpline_pop(void)
11*4882a593Smuzhiyun {
12*4882a593Smuzhiyun if (!perf_gtk__is_active_context(pgctx))
13*4882a593Smuzhiyun return;
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun gtk_statusbar_pop(GTK_STATUSBAR(pgctx->statbar),
16*4882a593Smuzhiyun pgctx->statbar_ctx_id);
17*4882a593Smuzhiyun }
18*4882a593Smuzhiyun
gtk_helpline_push(const char * msg)19*4882a593Smuzhiyun static void gtk_helpline_push(const char *msg)
20*4882a593Smuzhiyun {
21*4882a593Smuzhiyun if (!perf_gtk__is_active_context(pgctx))
22*4882a593Smuzhiyun return;
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun gtk_statusbar_push(GTK_STATUSBAR(pgctx->statbar),
25*4882a593Smuzhiyun pgctx->statbar_ctx_id, msg);
26*4882a593Smuzhiyun }
27*4882a593Smuzhiyun
gtk_helpline_show(const char * fmt,va_list ap)28*4882a593Smuzhiyun static int gtk_helpline_show(const char *fmt, va_list ap)
29*4882a593Smuzhiyun {
30*4882a593Smuzhiyun int ret;
31*4882a593Smuzhiyun char *ptr;
32*4882a593Smuzhiyun static int backlog;
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun ret = vscnprintf(ui_helpline__current + backlog,
35*4882a593Smuzhiyun sizeof(ui_helpline__current) - backlog, fmt, ap);
36*4882a593Smuzhiyun backlog += ret;
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun /* only first line can be displayed */
39*4882a593Smuzhiyun ptr = strchr(ui_helpline__current, '\n');
40*4882a593Smuzhiyun if (ptr && (ptr - ui_helpline__current) <= backlog) {
41*4882a593Smuzhiyun *ptr = '\0';
42*4882a593Smuzhiyun ui_helpline__puts(ui_helpline__current);
43*4882a593Smuzhiyun backlog = 0;
44*4882a593Smuzhiyun }
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun return ret;
47*4882a593Smuzhiyun }
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun static struct ui_helpline gtk_helpline_fns = {
50*4882a593Smuzhiyun .pop = gtk_helpline_pop,
51*4882a593Smuzhiyun .push = gtk_helpline_push,
52*4882a593Smuzhiyun .show = gtk_helpline_show,
53*4882a593Smuzhiyun };
54*4882a593Smuzhiyun
perf_gtk__init_helpline(void)55*4882a593Smuzhiyun void perf_gtk__init_helpline(void)
56*4882a593Smuzhiyun {
57*4882a593Smuzhiyun helpline_fns = >k_helpline_fns;
58*4882a593Smuzhiyun }
59