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authorArnaldo Carvalho de Melo <acme@redhat.com>2010-08-10 15:44:20 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2010-08-10 15:44:20 -0300
commit59e8fe32fc0cc9dff6b0c269d099a49e004dc45e (patch)
tree55133961ebcbf9ea5b5ab674360207876c189349 /tools/perf
parentf1e9214cc99644101d957c5c660946c6f2f86d7c (diff)
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perf ui browser: Add ui_browser__show counterpart: __hide
So that the common tasks of providing a helpline at __run entry and destroying the window and releasing resourses at exit can be abstracted away, reducing a bit more the coupling with libnewt. Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> LKML-Reference: <new-submission> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/util/ui/browser.c18
-rw-r--r--tools/perf/util/ui/browser.h4
-rw-r--r--tools/perf/util/ui/browsers/annotate.c8
-rw-r--r--tools/perf/util/ui/browsers/hists.c5
-rw-r--r--tools/perf/util/ui/browsers/map.c10
-rw-r--r--tools/perf/util/ui/helpline.c2
-rw-r--r--tools/perf/util/ui/helpline.h1
7 files changed, 33 insertions, 15 deletions
diff --git a/tools/perf/util/ui/browser.c b/tools/perf/util/ui/browser.c
index 83d57487f6e..66f2d583d8c 100644
--- a/tools/perf/util/ui/browser.c
+++ b/tools/perf/util/ui/browser.c
@@ -16,6 +16,7 @@
#include <stdlib.h>
#include <sys/ttydefaults.h>
#include "browser.h"
+#include "helpline.h"
#include "../color.h"
#include "../util.h"
@@ -145,8 +146,11 @@ void ui_browser__reset_index(struct ui_browser *self)
self->seek(self, 0, SEEK_SET);
}
-int ui_browser__show(struct ui_browser *self, const char *title)
+int ui_browser__show(struct ui_browser *self, const char *title,
+ const char *helpline, ...)
{
+ va_list ap;
+
if (self->form != NULL) {
newtFormDestroy(self->form);
newtPopWindow();
@@ -171,9 +175,21 @@ int ui_browser__show(struct ui_browser *self, const char *title)
newtFormAddHotKey(self->form, NEWT_KEY_END);
newtFormAddHotKey(self->form, ' ');
newtFormAddComponent(self->form, self->sb);
+
+ va_start(ap, helpline);
+ ui_helpline__vpush(helpline, ap);
+ va_end(ap);
return 0;
}
+void ui_browser__hide(struct ui_browser *self)
+{
+ newtFormDestroy(self->form);
+ newtPopWindow();
+ self->form = NULL;
+ ui_helpline__pop();
+}
+
int ui_browser__refresh(struct ui_browser *self)
{
int row;
diff --git a/tools/perf/util/ui/browser.h b/tools/perf/util/ui/browser.h
index 856e3436172..0b9f829214f 100644
--- a/tools/perf/util/ui/browser.h
+++ b/tools/perf/util/ui/browser.h
@@ -30,7 +30,9 @@ bool ui_browser__is_current_entry(struct ui_browser *self, unsigned row);
void ui_browser__refresh_dimensions(struct ui_browser *self);
void ui_browser__reset_index(struct ui_browser *self);
-int ui_browser__show(struct ui_browser *self, 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);
int ui_browser__refresh(struct ui_browser *self);
int ui_browser__run(struct ui_browser *self, struct newtExitStruct *es);
diff --git a/tools/perf/util/ui/browsers/annotate.c b/tools/perf/util/ui/browsers/annotate.c
index 73e78ef38a5..55ff792459a 100644
--- a/tools/perf/util/ui/browsers/annotate.c
+++ b/tools/perf/util/ui/browsers/annotate.c
@@ -141,10 +141,10 @@ static int annotate_browser__run(struct annotate_browser *self,
struct rb_node *nd;
struct hist_entry *he = self->b.priv;
- if (ui_browser__show(&self->b, he->ms.sym->name) < 0)
+ if (ui_browser__show(&self->b, he->ms.sym->name,
+ "<- or ESC: exit, TAB/shift+TAB: cycle thru samples") < 0)
return -1;
- ui_helpline__fpush("<- or ESC: exit, TAB/shift+TAB: cycle thru samples");
newtFormAddHotKey(self->b.form, NEWT_KEY_LEFT);
nd = self->curr_hot;
@@ -177,9 +177,7 @@ static int annotate_browser__run(struct annotate_browser *self,
}
}
out:
- newtFormDestroy(self->b.form);
- newtPopWindow();
- ui_helpline__pop();
+ ui_browser__hide(&self->b);
return 0;
}
diff --git a/tools/perf/util/ui/browsers/hists.c b/tools/perf/util/ui/browsers/hists.c
index cee7998f1c3..dd512b73b01 100644
--- a/tools/perf/util/ui/browsers/hists.c
+++ b/tools/perf/util/ui/browsers/hists.c
@@ -211,7 +211,8 @@ static int hist_browser__run(struct hist_browser *self, const char *title,
nr_events, unit);
newtDrawRootText(0, 0, str);
- if (ui_browser__show(&self->b, title) < 0)
+ if (ui_browser__show(&self->b, title,
+ "Press '?' for help on key bindings") < 0)
return -1;
newtFormAddHotKey(self->b.form, 'A');
@@ -253,6 +254,8 @@ static int hist_browser__run(struct hist_browser *self, const char *title,
return 0;
}
}
+
+ ui_browser__hide(&self->b);
return 0;
}
diff --git a/tools/perf/util/ui/browsers/map.c b/tools/perf/util/ui/browsers/map.c
index b79f0c996ea..142b825b42b 100644
--- a/tools/perf/util/ui/browsers/map.c
+++ b/tools/perf/util/ui/browsers/map.c
@@ -100,11 +100,11 @@ static int map_browser__search(struct map_browser *self)
static int map_browser__run(struct map_browser *self, struct newtExitStruct *es)
{
- if (ui_browser__show(&self->b, self->map->dso->long_name) < 0)
+ if (ui_browser__show(&self->b, self->map->dso->long_name,
+ "Press <- or ESC to exit, %s / to search",
+ verbose ? "" : "restart with -v to use") < 0)
return -1;
- ui_helpline__fpush("Press <- or ESC to exit, %s / to search",
- verbose ? "" : "restart with -v to use");
newtFormAddHotKey(self->b.form, NEWT_KEY_LEFT);
newtFormAddHotKey(self->b.form, NEWT_KEY_ENTER);
if (verbose)
@@ -121,9 +121,7 @@ static int map_browser__run(struct map_browser *self, struct newtExitStruct *es)
break;
}
- newtFormDestroy(self->b.form);
- newtPopWindow();
- ui_helpline__pop();
+ ui_browser__hide(&self->b);
return 0;
}
diff --git a/tools/perf/util/ui/helpline.c b/tools/perf/util/ui/helpline.c
index ff584606a4d..8d79daa4458 100644
--- a/tools/perf/util/ui/helpline.c
+++ b/tools/perf/util/ui/helpline.c
@@ -16,7 +16,7 @@ void ui_helpline__push(const char *msg)
newtPushHelpLine(msg);
}
-static void ui_helpline__vpush(const char *fmt, va_list ap)
+void ui_helpline__vpush(const char *fmt, va_list ap)
{
char *s;
diff --git a/tools/perf/util/ui/helpline.h b/tools/perf/util/ui/helpline.h
index 5d1e5e72ffb..ab6028d0c40 100644
--- a/tools/perf/util/ui/helpline.h
+++ b/tools/perf/util/ui/helpline.h
@@ -4,6 +4,7 @@
void ui_helpline__init(void);
void ui_helpline__pop(void);
void ui_helpline__push(const char *msg);
+void ui_helpline__vpush(const char *fmt, va_list ap);
void ui_helpline__fpush(const char *fmt, ...);
void ui_helpline__puts(const char *msg);