perf gtk/hists: Set rules hint for the hist browser

The 'rules' means that every second line of the tree view has a shaded
background, which makes it easier to see which cell belongs to which
row in the tree view.  It can be useful for a tree view that has a lot
of rows.

Reviewed-by: Pekka Enberg <[email protected]>
Signed-off-by: Namhyung Kim <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Pekka Enberg <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

diff --git a/tools/perf/ui/gtk/hists.c b/tools/perf/ui/gtk/hists.c
index 3a5d01319988aa81a8f3934ecc284b35cf96f41f..32549035f50d99b8f8b62c9c1eac0467a47f8905 100644 (file)
--- a/tools/perf/ui/gtk/hists.c
+++ b/tools/perf/ui/gtk/hists.c
@@ -326,6 +326,8 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
                }
        }
 
+       gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(view), TRUE);
+
        g_signal_connect(view, "row-activated",
                         G_CALLBACK(on_row_activated), NULL);
        gtk_container_add(GTK_CONTAINER(window), view);