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perf ui: Add ui_helpline methods

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Initially this was just to be able to have a printf like method to
prepare the formatted string and then pass to newtPushHelpLine, but as
we already have for ui_progress, etc, its a step in identifying a
restricted, highlevel set of widgets we can then have implementations
for multiple widget sets (GTK, etc).

Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
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 2010-05-11 18:01:23 -03:00
parent d11c7addfe
commit 3798ed7bc7
1 changed files with 50 additions and 19 deletions
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69
tools/perf/util/newt.c
View file

@ -57,6 +57,43 @@ void ui_progress__delete(struct ui_progress *self)
free(self);
}
static void ui_helpline__pop(void)
{
newtPopHelpLine();
}
static void ui_helpline__push(const char *msg)
{
newtPushHelpLine(msg);
}
static void ui_helpline__vpush(const char *fmt, va_list ap)
{
char *s;
if (vasprintf(&s, fmt, ap) < 0)
vfprintf(stderr, fmt, ap);
else {
ui_helpline__push(s);
free(s);
}
}
static void ui_helpline__fpush(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
ui_helpline__vpush(fmt, ap);
va_end(ap);
}
static void ui_helpline__puts(const char *msg)
{
ui_helpline__pop();
ui_helpline__push(msg);
}
static char browser__last_msg[1024];
int browser__show_help(const char *format, va_list ap)
@ -69,8 +106,7 @@ int browser__show_help(const char *format, va_list ap)
backlog += ret;
if (browser__last_msg[backlog - 1] == '\n') {
newtPopHelpLine();
newtPushHelpLine(browser__last_msg);
ui_helpline__puts(browser__last_msg);
newtRefresh();
backlog = 0;
}
@ -340,7 +376,7 @@ static void map_symbol__annotate_browser(const struct map_symbol *self,
if (fp == NULL)
goto out_free_str;
newtPushHelpLine("Press ESC to exit");
ui_helpline__push("Press ESC to exit");
newtGetScreenSize(&cols, &rows);
tree = newtListbox(0, 0, rows - 5, NEWT_FLAG_SCROLL);
@ -370,7 +406,7 @@ static void map_symbol__annotate_browser(const struct map_symbol *self,
newtFormRun(form, &es);
newtFormDestroy(form);
newtPopWindow();
newtPopHelpLine();
ui_helpline__pop();
out_free_str:
free(str);
}
@ -539,7 +575,7 @@ int hists__browse(struct hists *self, const char *helpline, const char *input_na
if (browser == NULL)
return -1;
newtPushHelpLine(helpline);
ui_helpline__push(helpline);
hist_browser__title(msg, sizeof(msg), input_name,
dso_filter, thread_filter);
@ -602,8 +638,7 @@ int hists__browse(struct hists *self, const char *helpline, const char *input_na
do_annotate:
if (choice == annotate) {
if (browser->selection->map->dso->origin == DSO__ORIG_KERNEL) {
newtPopHelpLine();
newtPushHelpLine("No vmlinux file found, can't "
ui_helpline__puts("No vmlinux file found, can't "
"annotate with just a "
"kallsyms file");
continue;
@ -611,13 +646,11 @@ do_annotate:
map_symbol__annotate_browser(browser->selection, input_name);
} else if (choice == zoom_dso) {
if (dso_filter) {
newtPopHelpLine();
ui_helpline__pop();
dso_filter = NULL;
} else {
snprintf(msg, sizeof(msg),
"To zoom out press -> + \"Zoom out of %s DSO\"",
dso->kernel ? "the Kernel" : dso->short_name);
newtPushHelpLine(msg);
ui_helpline__fpush("To zoom out press -> + \"Zoom out of %s DSO\"",
dso->kernel ? "the Kernel" : dso->short_name);
dso_filter = dso;
}
hists__filter_by_dso(self, dso_filter);
@ -627,14 +660,12 @@ do_annotate:
goto out;
} else if (choice == zoom_thread) {
if (thread_filter) {
newtPopHelpLine();
ui_helpline__pop();
thread_filter = NULL;
} else {
snprintf(msg, sizeof(msg),
"To zoom out press -> + \"Zoom out of %s(%d) thread\"",
(thread->comm_set ? thread->comm : ""),
thread->pid);
newtPushHelpLine(msg);
ui_helpline__fpush("To zoom out press -> + \"Zoom out of %s(%d) thread\"",
thread->comm_set ? thread->comm : "",
thread->pid);
thread_filter = thread;
}
hists__filter_by_thread(self, thread_filter);
@ -658,7 +689,7 @@ void setup_browser(void)
use_browser = true;
newtInit();
newtCls();
newtPushHelpLine(" ");
ui_helpline__puts(" ");
}
void exit_browser(bool wait_for_ok)