diff options
Diffstat (limited to 'tools/perf/ui/browser.c')
| -rw-r--r-- | tools/perf/ui/browser.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c index 973ff74e364..32ac1165100 100644 --- a/tools/perf/ui/browser.c +++ b/tools/perf/ui/browser.c @@ -600,6 +600,45 @@ 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) +{ + unsigned int row, end_row; + + SLsmg_set_char_set(1); + + if (start < browser->top_idx + browser->height) { + row = start - browser->top_idx; + ui_browser__gotorc(browser, row, column); + SLsmg_write_char(SLSMG_LLCORN_CHAR); + ui_browser__gotorc(browser, row, column + 1); + SLsmg_draw_hline(start_width); + + if (row-- == 0) + goto out; + } else + row = browser->height - 1; + + if (end > browser->top_idx) + end_row = end - browser->top_idx; + else + end_row = 0; + + ui_browser__gotorc(browser, end_row, column); + SLsmg_draw_vline(row - end_row + 1); + + ui_browser__gotorc(browser, end_row, column); + if (end >= browser->top_idx) { + SLsmg_write_char(SLSMG_ULCORN_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__init(void) { int i = 0; |