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perf ui browser: Move the extra title lines from the hists browser

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This will be useful for the annotate browser as well, that wants to have
extra title lines, i.e. the current ui_browser unconditionally reserves
the first line for a browser title and the last one for status messages.

But some browsers, like the buckets one (hists browser) needs extra
lines to show headers, allowing it to be shown or not, press 'H' in
'perf top' or 'perf report' to see this feature.

So move that logic to the core ui_browser used by the hists_browser
('perf top' and 'perf report' main interface) so that it can be used by
the annotate browser too.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Martin Liška <mliska@suse.cz>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=196935
Link: https://lkml.kernel.org/n/tip-r38xm3ut37ulbg1o5tn5iise@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2018-04-02 15:48:18 -03:00
parent 25c312dbf8
commit ef9ff6017e
3 changed files with 33 additions and 20 deletions
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2
tools/perf/ui/browser.h
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@@ -17,6 +17,7 @@ struct ui_browser {
u64 index, top_idx;
void *top, *entries;
u16 y, x, width, height, rows, columns, horiz_scroll;
u8 extra_title_lines;
int current_color;
void *priv;
const char *title;
@@ -38,6 +39,7 @@ bool ui_browser__is_current_entry(struct ui_browser *browser, unsigned row);
void ui_browser__refresh_dimensions(struct ui_browser *browser);
void ui_browser__reset_index(struct ui_browser *browser);
void ui_browser__gotorc_title(struct ui_browser *browser, int y, int x);
void ui_browser__gotorc(struct ui_browser *browser, int y, int x);
void ui_browser__write_nstring(struct ui_browser *browser, const char *msg,
unsigned int width);