perf gtk/hists: Make column headers resizable

Sometimes it's annoying to see when some symbols have very wierd long
names.  So it might be a good idea to make column size changable.

Reviewed-by: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
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/1370337737-30812-5-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 8 insertions, 3 deletions

diff --git a/tools/perf/ui/gtk/hists.c b/tools/perf/ui/gtk/hists.c
index fa9f8a09233e..b4a0dd2404a2 100644
--- a/tools/perf/ui/gtk/hists.c
+++ b/tools/perf/ui/gtk/hists.c
@@ -250,11 +250,16 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
                                                             col_idx++, NULL);
         }
 
-        if (symbol_conf.use_callchain && sort__has_sym) {
+        for (col_idx = 0; col_idx < nr_cols; col_idx++) {
                 GtkTreeViewColumn *column;
 
-                column = gtk_tree_view_get_column(GTK_TREE_VIEW(view), sym_col);
-                gtk_tree_view_set_expander_column(GTK_TREE_VIEW(view), column);
+                column = gtk_tree_view_get_column(GTK_TREE_VIEW(view), col_idx);
+                gtk_tree_view_column_set_resizable(column, TRUE);
+
+                if (col_idx == sym_col) {
+                        gtk_tree_view_set_expander_column(GTK_TREE_VIEW(view),
+                                                          column);
+                }
         }
 
         gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));