diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-04-27 16:27:52 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-04-27 16:27:52 -0300 |
| commit | 944e1abed9e1c04e410ddfee849529eedd3e534a (patch) | |
| tree | 685955ae00a9bfc31ebb4c103837c8f487685871 /tools/perf/ui/browser.c | |
| parent | 88298f5a52dad53a7a9433470925fa90702bb486 (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>
Diffstat (limited to 'tools/perf/ui/browser.c')
| -rw-r--r-- | tools/perf/ui/browser.c | 54 |
1 files changed, 52 insertions, 2 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; |