[PATCH 5/6] perf gtk/hists: Add a double-click handler for callchains

[Namhyung Kim]

From: Namhyung Kim <namhyung.kim@xxxxxxx>

If callchain is displayed, add "row-activated" signal handler for
handling double-click or pressing ENTER key action.

Reviewed-by: Pekka Enberg <penberg@xxxxxxxxxx>
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
---
 tools/perf/ui/gtk/hists.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/tools/perf/ui/gtk/hists.c b/tools/perf/ui/gtk/hists.c
index b4a0dd2404a2..3a5d01319988 100644
--- a/tools/perf/ui/gtk/hists.c
+++ b/tools/perf/ui/gtk/hists.c
@@ -187,6 +187,18 @@ static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
 	}
 }
 
+static void on_row_activated(GtkTreeView *view, GtkTreePath *path,
+			     GtkTreeViewColumn *col __maybe_unused,
+			     gpointer user_data __maybe_unused)
+{
+	bool expanded = gtk_tree_view_row_expanded(view, path);
+
+	if (expanded)
+		gtk_tree_view_collapse_row(view, path);
+	else
+		gtk_tree_view_expand_row(view, path, FALSE);
+}
+
 static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
 				 float min_pcnt)
 {
@@ -314,6 +326,8 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
 		}
 	}
 
+	g_signal_connect(view, "row-activated",
+			 G_CALLBACK(on_row_activated), NULL);
 	gtk_container_add(GTK_CONTAINER(window), view);
 }
 
-- 
1.7.11.7

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/