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perf ui browser: Add method to draw up/down arrow line

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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>
This commit is contained in:
Arnaldo Carvalho de Melo 2012-04-27 16:27:52 -03:00
parent 88298f5a52
commit 944e1abed9
2 changed files with 54 additions and 4 deletions
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54
tools/perf/ui/browser.c
View File

@ -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 @@ void __ui_browser__line_arrow_up(struct ui_browser *browser, unsigned int column
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;

4
tools/perf/ui/browser.h
View File

@ -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,