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perf ui browser: Introduce ui_browser__show_title 

Needed because we were only showing the title in ui_browser__show,
not in ui_browser__run, and in the run loop we may be calling other
browsers that would then change the title, when we go back to the
previous browser, we need to redraw the title.

We could have done this as the Newt help line, with pop, etc, but I
don't think its worth, doing it explicitely, when needed (some browsers
may not use the title area at all) seems enough/more flexible.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2011-02-25 11:33:31 -03:00
parent c16bfe9ac3
commit b210b3bb1b
2 changed files with 17 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
tools/perf/util/ui/browser.c
View File

@ -157,6 +157,20 @@ void ui_browser__add_exit_keys(struct ui_browser *self, int keys[])
}
}
void __ui_browser__show_title(struct ui_browser *browser, const char *title)
{
SLsmg_gotorc(0, 0);
ui_browser__set_color(browser, NEWT_COLORSET_ROOT);
slsmg_write_nstring(title, browser->width);
}
void ui_browser__show_title(struct ui_browser *browser, const char *title)
{
pthread_mutex_lock(&ui__lock);
__ui_browser__show_title(browser, title);
pthread_mutex_unlock(&ui__lock);
}
int ui_browser__show(struct ui_browser *self, const char *title,
const char *helpline, ...)
{
@ -180,9 +194,7 @@ int ui_browser__show(struct ui_browser *self, const char *title,
return -1;
pthread_mutex_lock(&ui__lock);
SLsmg_gotorc(0, 0);
ui_browser__set_color(self, NEWT_COLORSET_ROOT);
slsmg_write_nstring(title, self->width);
__ui_browser__show_title(self, title);
ui_browser__add_exit_keys(self, keys);
newtFormAddComponent(self->form, self->sb);

3
tools/perf/util/ui/browser.h
View File

@ -24,7 +24,6 @@ struct ui_browser {
u32 nr_entries;
};
void ui_browser__set_color(struct ui_browser *self, int color);
void ui_browser__set_percent_color(struct ui_browser *self,
double percent, bool current);
@ -35,6 +34,8 @@ void ui_browser__reset_index(struct ui_browser *self);
void ui_browser__gotorc(struct ui_browser *self, int y, int x);
void ui_browser__add_exit_key(struct ui_browser *self, int key);
void ui_browser__add_exit_keys(struct ui_browser *self, int keys[]);
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,
const char *helpline, ...);
void ui_browser__hide(struct ui_browser *self);