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tools ui popup: Allow returning hotkeys

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With this patch if an optional pointer is passed to ui__popup_menu()
then when any key that is not being handled (ENTER, ESC, etc) is typed,
it'll record that key in the pointer and return, allowing for hotkey
processing on the caller.

If NULL is passed, no change in logic, unhandled keys continue to be
ignored.

Reviewed-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-6ojn19mqzgmrdm8kdoigic0m@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2019-12-16 12:23:34 -03:00
parent d10ec006dc
commit d07126560c
5 changed files with 13 additions and 9 deletions
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4
tools/perf/ui/browsers/hists.c
View File

@ -2393,7 +2393,7 @@ static int switch_data_file(void)
closedir(pwd_dir); closedir(pwd_dir);
if (nr_options) { if (nr_options) {
choice = ui__popup_menu(nr_options, options); choice = ui__popup_menu(nr_options, options, NULL);
if (choice < nr_options && choice >= 0) { if (choice < nr_options && choice >= 0) {
tmp = strdup(abs_path[choice]); tmp = strdup(abs_path[choice]);
if (tmp) { if (tmp) {
@ -3279,7 +3279,7 @@ static int perf_evsel__hists_browse(struct evsel *evsel, int nr_events,
do { do {
struct popup_action *act; struct popup_action *act;
choice = ui__popup_menu(nr_options, options); choice = ui__popup_menu(nr_options, options, NULL);
if (choice == -1 || choice >= nr_options) if (choice == -1 || choice >= nr_options)
break; break;

2
tools/perf/ui/browsers/res_sample.c
View File

@ -56,7 +56,7 @@ int res_sample_browse(struct res_sample *res_samples, int num_res,
return -1; return -1;
} }
} }
choice = ui__popup_menu(num_res, names); choice = ui__popup_menu(num_res, names, NULL);
for (i = 0; i < num_res; i++) for (i = 0; i < num_res; i++)
zfree(&names[i]); zfree(&names[i]);
free(names); free(names);

2
tools/perf/ui/browsers/scripts.c
View File

@ -126,7 +126,7 @@ static int list_scripts(char *script_name, bool *custom,
SCRIPT_FULLPATH_LEN); SCRIPT_FULLPATH_LEN);
if (num < 0) if (num < 0)
num = 0; num = 0;
choice = ui__popup_menu(num + max_std, (char * const *)names); choice = ui__popup_menu(num + max_std, (char * const *)names, NULL);
if (choice < 0) { if (choice < 0) {
ret = -1; ret = -1;
goto out; goto out;

12
tools/perf/ui/tui/util.c
View File

@ -23,7 +23,7 @@ static void ui_browser__argv_write(struct ui_browser *browser,
ui_browser__write_nstring(browser, *arg, browser->width); ui_browser__write_nstring(browser, *arg, browser->width);
} }
static int popup_menu__run(struct ui_browser *menu) static int popup_menu__run(struct ui_browser *menu, int *keyp)
{ {
int key; int key;
@ -45,6 +45,11 @@ static int popup_menu__run(struct ui_browser *menu)
key = -1; key = -1;
break; break;
default: default:
if (keyp) {
*keyp = key;
key = menu->nr_entries;
break;
}
continue; continue;
} }
@ -55,7 +60,7 @@ static int popup_menu__run(struct ui_browser *menu)
return key; return key;
} }
int ui__popup_menu(int argc, char * const argv[]) int ui__popup_menu(int argc, char * const argv[], int *keyp)
{ {
struct ui_browser menu = { struct ui_browser menu = {
.entries = (void *)argv, .entries = (void *)argv,
@ -64,8 +69,7 @@ int ui__popup_menu(int argc, char * const argv[])
.write = ui_browser__argv_write, .write = ui_browser__argv_write,
.nr_entries = argc, .nr_entries = argc,
}; };
return popup_menu__run(&menu, keyp);
return popup_menu__run(&menu);
} }
int ui_browser__input_window(const char *title, const char *text, char *input, int ui_browser__input_window(const char *title, const char *text, char *input,

2
tools/perf/ui/util.h
View File

@ -5,7 +5,7 @@
#include <stdarg.h> #include <stdarg.h>
int ui__getch(int delay_secs); int ui__getch(int delay_secs);
int ui__popup_menu(int argc, char * const argv[]); int ui__popup_menu(int argc, char * const argv[], int *keyp);
int ui__help_window(const char *text); int ui__help_window(const char *text);
int ui__dialog_yesno(const char *msg); int ui__dialog_yesno(const char *msg);
void __ui__info_window(const char *title, const char *text, const char *exit_msg); void __ui__info_window(const char *title, const char *text, const char *exit_msg);