Home Home > GIT Browse
summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorArnaldo Carvalho de Melo <acme@redhat.com>2012-04-27 16:27:52 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-04-27 16:27:52 -0300
commit944e1abed9e1c04e410ddfee849529eedd3e534a (patch)
tree685955ae00a9bfc31ebb4c103837c8f487685871
parent88298f5a52dad53a7a9433470925fa90702bb486 (diff)
perf ui browser: Add method to draw up/down arrow line
It figures out the direction and draws downwards arrows too if that is the case. 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-tg329nr7q4dg9d0tl3o0wywg@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/ui/browser.c54
-rw-r--r--tools/perf/ui/browser.h4
2 files changed, 54 insertions, 4 deletions
diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c
index 32ac1165100d..f4b2530ae1d3 100644
--- a/tools/perf/ui/browser.c
+++ b/tools/perf/ui/browser.c
@@ -600,8 +600,9 @@ void ui_browser__write_graph(struct ui_browser *browser __used, int graph)
SLsmg_set_char_set(0);
}
-void __ui_browser__line_arrow_up(struct ui_browser *browser, unsigned int column,
- u64 start, u64 end, int start_width)
+static void __ui_browser__line_arrow_up(struct ui_browser *browser,
+ unsigned int column,
+ u64 start, u64 end, int start_width)
{
unsigned int row, end_row;
@@ -639,6 +640,55 @@ out:
SLsmg_set_char_set(0);
}
+static void __ui_browser__line_arrow_down(struct ui_browser *browser,
+ unsigned int column,
+ u64 start, u64 end, int start_width)
+{
+ unsigned int row, end_row;
+
+ SLsmg_set_char_set(1);
+
+ if (start >= browser->top_idx) {
+ row = start - browser->top_idx;
+ ui_browser__gotorc(browser, row, column);
+ SLsmg_write_char(SLSMG_ULCORN_CHAR);
+ ui_browser__gotorc(browser, row, column + 1);
+ SLsmg_draw_hline(start_width);
+
+ if (row++ == 0)
+ goto out;
+ } else
+ row = 0;
+
+ if (end >= browser->top_idx + browser->height)
+ end_row = browser->height - 1;
+ else
+ end_row = end - browser->top_idx;;
+
+ ui_browser__gotorc(browser, row, column);
+ SLsmg_draw_vline(end_row - row + 1);
+
+ ui_browser__gotorc(browser, end_row, column);
+ if (end < browser->top_idx + browser->height) {
+ SLsmg_write_char(SLSMG_LLCORN_CHAR);
+ ui_browser__gotorc(browser, end_row, column + 1);
+ SLsmg_write_char(SLSMG_HLINE_CHAR);
+ ui_browser__gotorc(browser, end_row, column + 2);
+ SLsmg_write_char(SLSMG_RARROW_CHAR);
+ }
+out:
+ SLsmg_set_char_set(0);
+}
+
+void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column,
+ u64 start, u64 end, int start_width)
+{
+ if (start > end)
+ __ui_browser__line_arrow_up(browser, column, start, end, start_width);
+ else
+ __ui_browser__line_arrow_down(browser, column, start, end, start_width);
+}
+
void ui_browser__init(void)
{
int i = 0;
diff --git a/tools/perf/ui/browser.h b/tools/perf/ui/browser.h
index 2f226cb79f6a..059764b29b2d 100644
--- a/tools/perf/ui/browser.h
+++ b/tools/perf/ui/browser.h
@@ -38,8 +38,8 @@ 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__line_arrow_up(struct ui_browser *browser, unsigned int column,
- u64 start, u64 end, int start_width);
+void __ui_browser__line_arrow(struct ui_browser *browser, unsigned int column,
+ u64 start, u64 end, int start_width);
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,