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Date: Tue, 29 May 2012 13:23:02 +0900
From: Namhyung Kim <namhyung@...il.com>
To: Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Paul Mackerras <paulus@...ba.org>,
Ingo Molnar <mingo@...hat.com>,
Pekka Enberg <penberg@...nel.org>,
LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 7/7] perf ui/gtk: Use struct perf_error_ops
Define and use perf_gtk_eops to provide a GTK2 message
dialog for error reporting and a info_bar for warning.
As GtkInfoBar requires recent GTK+ libraries, provides
a fallback implementation using statusbar widget too.
Signed-off-by: Namhyung Kim <namhyung@...il.com>
---
tools/perf/ui/gtk/setup.c | 5 +++
tools/perf/ui/gtk/util.c | 86 +++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 91 insertions(+)
diff --git a/tools/perf/ui/gtk/setup.c b/tools/perf/ui/gtk/setup.c
index 829529957766..92879ce61e2f 100644
--- a/tools/perf/ui/gtk/setup.c
+++ b/tools/perf/ui/gtk/setup.c
@@ -1,12 +1,17 @@
#include "gtk.h"
#include "../../util/cache.h"
+#include "../../util/debug.h"
+
+extern struct perf_error_ops perf_gtk_eops;
int perf_gtk__init(void)
{
+ perf_error__register(&perf_gtk_eops);
return gtk_init_check(NULL, NULL) ? 0 : -1;
}
void perf_gtk__exit(bool wait_for_ok __used)
{
+ perf_error__unregister(&perf_gtk_eops);
gtk_main_quit();
}
diff --git a/tools/perf/ui/gtk/util.c b/tools/perf/ui/gtk/util.c
index 6fe13fdc513e..0ead373c0dfb 100644
--- a/tools/perf/ui/gtk/util.c
+++ b/tools/perf/ui/gtk/util.c
@@ -2,6 +2,8 @@
#include "../../util/debug.h"
#include "gtk.h"
+#include <string.h>
+
struct perf_gtk_context *pgctx;
@@ -26,6 +28,90 @@ int perf_gtk__deactivate_context(struct perf_gtk_context **ctx)
return 0;
}
+static int perf_gtk__error(const char *format, va_list args)
+{
+ char *msg;
+ GtkWidget *dialog;
+
+ if (!perf_gtk__is_active_context(pgctx) ||
+ vasprintf(&msg, format, args) < 0) {
+ fprintf(stderr, "Error:\n");
+ vfprintf(stderr, format, args);
+ fprintf(stderr, "\n");
+ return -1;
+ }
+
+ dialog = gtk_message_dialog_new_with_markup(GTK_WINDOW(pgctx->main_window),
+ GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_MESSAGE_ERROR,
+ GTK_BUTTONS_CLOSE,
+ "<b>Error</b>\n\n%s", msg);
+ gtk_dialog_run(GTK_DIALOG(dialog));
+
+ gtk_widget_destroy(dialog);
+ free(msg);
+ return 0;
+}
+
+#ifdef HAVE_GTK_INFO_BAR
+static int perf_gtk__warning_info_bar(const char *format, va_list args)
+{
+ char *msg;
+
+ if (!perf_gtk__is_active_context(pgctx) ||
+ vasprintf(&msg, format, args) < 0) {
+ fprintf(stderr, "Warning:\n");
+ vfprintf(stderr, format, args);
+ fprintf(stderr, "\n");
+ return -1;
+ }
+
+ gtk_label_set_text(GTK_LABEL(pgctx->message_label), msg);
+ gtk_info_bar_set_message_type(GTK_INFO_BAR(pgctx->info_bar),
+ GTK_MESSAGE_WARNING);
+ gtk_widget_show(pgctx->info_bar);
+
+ free(msg);
+ return 0;
+}
+#else
+static int perf_gtk__warning_statusbar(const char *format, va_list args)
+{
+ char *msg, *p;
+
+ if (!perf_gtk__is_active_context(pgctx) ||
+ vasprintf(&msg, format, args) < 0) {
+ fprintf(stderr, "Warning:\n");
+ vfprintf(stderr, format, args);
+ fprintf(stderr, "\n");
+ return -1;
+ }
+
+ gtk_statusbar_pop(GTK_STATUSBAR(pgctx->statbar),
+ pgctx->statbar_ctx_id);
+
+ /* Only first line can be displayed */
+ p = strchr(msg, '\n');
+ if (p)
+ *p = '\0';
+
+ gtk_statusbar_push(GTK_STATUSBAR(pgctx->statbar),
+ pgctx->statbar_ctx_id, msg);
+
+ free(msg);
+ return 0;
+}
+#endif
+
+struct perf_error_ops perf_gtk_eops = {
+ .error = perf_gtk__error,
+#ifdef HAVE_GTK_INFO_BAR
+ .warning = perf_gtk__warning_info_bar,
+#else
+ .warning = perf_gtk__warning_statusbar,
+#endif
+};
+
/*
* FIXME: Functions below should be implemented properly.
* For now, just add stubs for NO_NEWT=1 build.
--
1.7.9.2
--
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