perf ui browser: Handle K_RESIZE in dialog windows

Just provide wrappers for things like ui__warning, ui__dialog_yesno and
if they return K_RESIZE, refresh dimensions, redraw the entries, etc.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
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-3ih7hyk9weryxaxb501sfq4u@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/ui/util.h b/tools/perf/util/ui/util.h
index 9a25538..2d1738b 100644
--- a/tools/perf/util/ui/util.h
+++ b/tools/perf/util/ui/util.h
@@ -1,13 +1,14 @@
 #ifndef _PERF_UI_UTIL_H_
 #define _PERF_UI_UTIL_H_ 1
 
-#include <stdbool.h>
+#include <stdarg.h>
 
 int ui__getch(int delay_secs);
 int ui__popup_menu(int argc, char * const argv[]);
 int ui__help_window(const char *text);
-bool ui__dialog_yesno(const char *msg);
+int ui__dialog_yesno(const char *msg);
 int ui__question_window(const char *title, const char *text,
 			const char *exit_msg, int delay_secs);
+int __ui__warning(const char *title, const char *format, va_list args);
 
 #endif /* _PERF_UI_UTIL_H_ */