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