ui browser: Add method to write graphical characters

To save typing on the switch char set slang stuff.

It also helps in removing more slang direct calls, wrapping them at the
ui_browser level, where at some point I'll try to implement those in
terms of GTK+.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-63yhb2htv9g3g1olmojzptkd@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

3 files changed, 12 insertions, 10 deletions

diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c
index a1b140cf75ac..973ff74e3640 100644
--- a/tools/perf/ui/browser.c
+++ b/tools/perf/ui/browser.c
@@ -593,6 +593,13 @@ unsigned int ui_browser__argv_refresh(struct ui_browser *browser)
         return row;
 }
 
+void ui_browser__write_graph(struct ui_browser *browser __used, int graph)
+{
+        SLsmg_set_char_set(1);
+        SLsmg_write_char(graph);
+        SLsmg_set_char_set(0);
+}
+
 void ui_browser__init(void)
 {
         int i = 0;
diff --git a/tools/perf/ui/browser.h b/tools/perf/ui/browser.h
index 2550277db9f9..ce20975419d2 100644
--- a/tools/perf/ui/browser.h
+++ b/tools/perf/ui/browser.h
@@ -37,6 +37,7 @@ void ui_browser__refresh_dimensions(struct ui_browser *self);
 void ui_browser__reset_index(struct ui_browser *self);
 
 void ui_browser__gotorc(struct ui_browser *self, int y, int x);
+void ui_browser__write_graph(struct ui_browser *browser, int graph);
 void __ui_browser__show_title(struct ui_browser *browser, const char *title);
 void ui_browser__show_title(struct ui_browser *browser, const char *title);
 int ui_browser__show(struct ui_browser *self, const char *title,
diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index 38f4c6f821c2..c3fc6f39f901 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -71,9 +71,7 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro
                 slsmg_write_nstring(" ", 9);
         }
 
-        SLsmg_set_char_set(1);
-        SLsmg_write_char(SLSMG_VLINE_CHAR);
-        SLsmg_set_char_set(0);
+        ui_browser__write_graph(self, SLSMG_VLINE_CHAR);
         SLsmg_write_char(' ');
 
         /* The scroll bar isn't being used */
@@ -116,10 +114,8 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro
                         if (ins__is_jump(dl->ins)) {
                                 bool fwd = dl->ops.target > (u64)dl->offset;
 
-                                SLsmg_set_char_set(1);
-                                SLsmg_write_char(fwd ? SLSMG_DARROW_CHAR :
-                                                       SLSMG_UARROW_CHAR);
-                                SLsmg_set_char_set(0);
+                                ui_browser__write_graph(self, fwd ? SLSMG_DARROW_CHAR :
+                                                                    SLSMG_UARROW_CHAR);
                                 SLsmg_write_char(' ');
                         } else {
                                 slsmg_write_nstring(" ", 2);
@@ -131,9 +127,7 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro
                         if (strcmp(dl->name, "retq")) {
                                 slsmg_write_nstring(" ", 2);
                         } else {
-                                SLsmg_set_char_set(1);
-                                SLsmg_write_char(SLSMG_LARROW_CHAR);
-                                SLsmg_set_char_set(0);
+                                ui_browser__write_graph(self, SLSMG_LARROW_CHAR);
                                 SLsmg_write_char(' ');
                         }