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perf ui browser: Allow overriding refresh_dimensions method

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Some browsers, like the hist_browser, may want to be notified everytime
a refresh_dimensions is needed, so that it can reset ui_browser->rows,
for instance, or do some other related reaction to screen resizings.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
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-ielvluuemzn30bneh0zk3twi@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2014-07-01 16:34:42 -03:00
parent 62c95ae33f
commit fa70b5d66d
2 changed files with 6 additions and 2 deletions
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7
tools/perf/ui/browser.c
View File

@ -250,7 +250,10 @@ int ui_browser__show(struct ui_browser *browser, const char *title,
int err;
va_list ap;
ui_browser__refresh_dimensions(browser);
if (browser->refresh_dimensions == NULL)
browser->refresh_dimensions = ui_browser__refresh_dimensions;
browser->refresh_dimensions(browser);
pthread_mutex_lock(&ui__lock);
__ui_browser__show_title(browser, title);
@ -367,7 +370,7 @@ int ui_browser__run(struct ui_browser *browser, int delay_secs)
if (key == K_RESIZE) {
ui__refresh_dimensions(false);
ui_browser__refresh_dimensions(browser);
browser->refresh_dimensions(browser);
__ui_browser__show_title(browser, browser->title);
ui_helpline__puts(browser->helpline);
continue;

1
tools/perf/ui/browser.h
View File

@ -19,6 +19,7 @@ struct ui_browser {
void *priv;
const char *title;
char *helpline;
void (*refresh_dimensions)(struct ui_browser *browser);
unsigned int (*refresh)(struct ui_browser *browser);
void (*write)(struct ui_browser *browser, void *entry, int row);
void (*seek)(struct ui_browser *browser, off_t offset, int whence);