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perf ui gtk: Add perf_gtk__show_helpline() for pr_*

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Use helpline for printing error/debug messages. The code resembles a TUI
counter part and only print the first line of the message.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Pekka Enberg <penberg@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1345104894-14205-5-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim
2012-08-16 17:14:54 +09:00
committed by Arnaldo Carvalho de Melo
parent ed70c609ae
commit 0985a94891
7 changed files with 57 additions and 15 deletions
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26
tools/perf/ui/gtk/helpline.c
View File

@@ -1,5 +1,10 @@
#include <stdio.h>
#include <string.h>
#include "gtk.h"
#include "../ui.h"
#include "../helpline.h"
#include "../../util/debug.h"
static void gtk_helpline_pop(void)
{
@@ -28,3 +33,24 @@ void perf_gtk__init_helpline(void)
{
helpline_fns = &gtk_helpline_fns;
}
int perf_gtk__show_helpline(const char *fmt, va_list ap)
{
int ret;
char *ptr;
static int backlog;
ret = vscnprintf(ui_helpline__current + backlog,
sizeof(ui_helpline__current) - backlog, fmt, ap);
backlog += ret;
/* only first line can be displayed */
ptr = strchr(ui_helpline__current, '\n');
if (ptr && (ptr - ui_helpline__current) <= backlog) {
*ptr = '\0';
ui_helpline__puts(ui_helpline__current);
backlog = 0;
}
return ret;
}

5
tools/perf/ui/gtk/util.c
View File

@@ -117,11 +117,6 @@ struct perf_error_ops perf_gtk_eops = {
* For now, just add stubs for NO_NEWT=1 build.
*/
#ifdef NO_NEWT_SUPPORT
int ui_helpline__show_help(const char *format __used, va_list ap __used)
{
return 0;
}
void ui_progress__update(u64 curr __used, u64 total __used,
const char *title __used)
{