perf ui browser: Introduce routine to draw vertical line

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-umb4jlu0ee8r2rc3x4jkahgk@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c
index f4b2530..b075e09 100644 (file)
--- a/tools/perf/ui/browser.c
+++ b/tools/perf/ui/browser.c
@@ -593,6 +593,15 @@ unsigned int ui_browser__argv_refresh(struct ui_browser *browser)
        return row;
 }
 
+void __ui_browser__vline(struct ui_browser *browser, unsigned int column,
+                        u16 start, u16 end)
+{
+       SLsmg_set_char_set(1);
+       ui_browser__gotorc(browser, start, column);
+       SLsmg_draw_vline(end - start + 1);
+       SLsmg_set_char_set(0);
+}
+
 void ui_browser__write_graph(struct ui_browser *browser __used, int graph)
 {
        SLsmg_set_char_set(1);

diff --git a/tools/perf/ui/browser.h b/tools/perf/ui/browser.h
index 059764b..511e24d 100644 (file)
--- a/tools/perf/ui/browser.h
+++ b/tools/perf/ui/browser.h
@@ -49,6 +49,8 @@ int ui_browser__refresh(struct ui_browser *self);
 int ui_browser__run(struct ui_browser *browser, int delay_secs);
 void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries);
 void ui_browser__handle_resize(struct ui_browser *browser);
+void __ui_browser__vline(struct ui_browser *browser, unsigned int column,
+                        u16 start, u16 end);
 
 int ui_browser__warning(struct ui_browser *browser, int timeout,
                        const char *format, ...);