lkml.org 
[lkml]   [2012]   [May]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 2/5] perf ui browser: Add method to draw up/down arrow line
    Date
    From: Arnaldo Carvalho de Melo <acme@redhat.com>

    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>
    ---
    tools/perf/ui/browser.c | 54 +++++++++++++++++++++++++++++++++++++++++++++--
    tools/perf/ui/browser.h | 4 ++--
    2 files changed, 54 insertions(+), 4 deletions(-)

    diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c
    index 32ac116..f4b2530 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 2f226cb..059764b 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,
    --
    1.7.9.2.358.g22243


    \
     
     \ /
      Last update: 2012-05-02 22:21    [W:0.032 / U:0.872 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site