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Subject[PATCH 4/5] perf gtk/hists: Add a double-click handler for callchains
Date
From: Namhyung Kim <namhyung.kim@lge.com>

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

Cc: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
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 34a09c09748c..4e96f7a9f6d1 100644
--- a/tools/perf/ui/gtk/hists.c
+++ b/tools/perf/ui/gtk/hists.c
@@ -175,6 +175,18 @@ 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)
{
@@ -315,6 +327,8 @@ 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


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