From: Arnaldo Carvalho de Melo <[email protected]>

Now that the map browser shares the input routine with the hists
browser, there is no need for using any libnewt routine, so remove all
traces except for honouring NO_NEWT=1 on the makefile command line as an
indication that TUI support is not needed, in fact it just sets
NO_SLANG=1.

Cc: David Ahern <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 tools/perf/Makefile                 |   20 +++++++++++++-------
 tools/perf/builtin-report.c         |    6 +++---
 tools/perf/config/feature-tests.mak |   12 +++++-------
 tools/perf/ui/browser.c             |    9 +++++++--
 tools/perf/ui/browser.h             |    1 +
 tools/perf/ui/browsers/annotate.c   |    1 -
 tools/perf/ui/browsers/hists.c      |    1 -
 tools/perf/ui/browsers/scripts.c    |    1 -
 tools/perf/ui/tui/setup.c           |   21 +++++++++++----------
 tools/perf/ui/ui.h                  |    2 +-
 tools/perf/util/annotate.h          |    2 +-
 tools/perf/util/hist.h              |    2 +-
 12 files changed, 43 insertions(+), 35 deletions(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 8b4c952..b0f164b 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -35,7 +35,9 @@ include config/utilities.mak
 #
 # Define WERROR=0 to disable treating any warnings as errors.
 #
-# Define NO_NEWT if you do not want TUI support.
+# Define NO_NEWT if you do not want TUI support. (deprecated)
+#
+# Define NO_SLANG if you do not want TUI support.
 #
 # Define NO_GTK2 if you do not want GTK+ GUI support.
 #
@@ -104,6 +106,10 @@ ifdef PARSER_DEBUG
        PARSER_DEBUG_CFLAGS := -DPARSER_DEBUG
 endif
 
+ifdef NO_NEWT
+       NO_SLANG=1
+endif
+
 CFLAGS = -fno-omit-frame-pointer -ggdb3 -funwind-tables -Wall -Wextra 
-std=gnu99 $(CFLAGS_WERROR) $(CFLAGS_OPTIMIZE) $(EXTRA_WARNINGS) 
$(EXTRA_CFLAGS) $(PARSER_DEBUG_CFLAGS)
 EXTLIBS = -lpthread -lrt -lelf -lm
 ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 
-D_GNU_SOURCE
@@ -680,15 +686,15 @@ ifndef NO_LIBAUDIT
        endif
 endif
 
-ifndef NO_NEWT
-       FLAGS_NEWT=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) -lnewt
-       ifneq ($(call try-cc,$(SOURCE_NEWT),$(FLAGS_NEWT),libnewt),y)
-               msg := $(warning newt not found, disables TUI support. Please 
install newt-devel or libnewt-dev);
+ifndef NO_SLANG
+       FLAGS_SLANG=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) 
-I/usr/include/slang -lslang
+       ifneq ($(call try-cc,$(SOURCE_SLANG),$(FLAGS_SLANG),libslang),y)
+               msg := $(warning slang not found, disables TUI support. Please 
install slang-devel or libslang-dev);
        else
                # Fedora has /usr/include/slang/slang.h, but ubuntu 
/usr/include/slang.h
                BASIC_CFLAGS += -I/usr/include/slang
-               BASIC_CFLAGS += -DNEWT_SUPPORT
-               EXTLIBS += -lnewt -lslang
+               BASIC_CFLAGS += -DSLANG_SUPPORT
+               EXTLIBS += -lslang
                LIB_OBJS += $(OUTPUT)ui/browser.o
                LIB_OBJS += $(OUTPUT)ui/browsers/annotate.o
                LIB_OBJS += $(OUTPUT)ui/browsers/hists.o
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index a20550c..bd0ca81 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -111,7 +111,7 @@ static int perf_report__add_mem_hist_entry(struct perf_tool 
*tool,
                return -ENOMEM;
 
        /*
-        * In the newt browser, we are doing integrated annotation,
+        * In the TUI browser, we are doing integrated annotation,
         * so we don't allocate the extra space needed because the stdio
         * code will not use it.
         */
@@ -263,7 +263,7 @@ static int perf_evsel__add_hist_entry(struct perf_evsel 
*evsel,
                        return err;
        }
        /*
-        * Only in the newt browser we are doing integrated annotation,
+        * Only in the TUI browser we are doing integrated annotation,
         * so we don't allocated the extra space needed because the stdio
         * code will not use it.
         */
@@ -877,7 +877,7 @@ repeat:
                usage_with_options(report_usage, options);
 
        /*
-        * Only in the newt browser we are doing integrated annotation,
+        * Only in the TUI browser we are doing integrated annotation,
         * so don't allocate extra space that won't be used in the stdio
         * implementation.
         */
diff --git a/tools/perf/config/feature-tests.mak 
b/tools/perf/config/feature-tests.mak
index b4eabb4..708fb8e 100644
--- a/tools/perf/config/feature-tests.mak
+++ b/tools/perf/config/feature-tests.mak
@@ -61,15 +61,13 @@ int main(void)
 }
 endef
 
-ifndef NO_NEWT
-define SOURCE_NEWT
-#include <newt.h>
+ifndef NO_SLANG
+define SOURCE_SLANG
+#include <slang.h>
 
 int main(void)
 {
-       newtInit();
-       newtCls();
-       return newtFinished();
+       return SLsmg_init_smg();
 }
 endef
 endif
@@ -235,4 +233,4 @@ int main(void)
        numa_available();
        return 0;
 }
-endef
\ No newline at end of file
+endef
diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c
index 809ea46..bbc782e 100644
--- a/tools/perf/ui/browser.c
+++ b/tools/perf/ui/browser.c
@@ -2,7 +2,6 @@
 #include "../cache.h"
 #include "../../perf.h"
 #include "libslang.h"
-#include <newt.h>
 #include "ui.h"
 #include "util.h"
 #include <linux/compiler.h>
@@ -234,7 +233,7 @@ void ui_browser__reset_index(struct ui_browser *browser)
 void __ui_browser__show_title(struct ui_browser *browser, const char *title)
 {
        SLsmg_gotorc(0, 0);
-       ui_browser__set_color(browser, NEWT_COLORSET_ROOT);
+       ui_browser__set_color(browser, HE_COLORSET_ROOT);
        slsmg_write_nstring(title, browser->width + 1);
 }
 
@@ -514,6 +513,12 @@ static struct ui_browser_colorset {
                .bg       = "default",
        },
        {
+               .colorset = HE_COLORSET_ROOT,
+               .name     = "root",
+               .fg       = "white",
+               .bg       = "blue",
+       },
+       {
                .name = NULL,
        }
 };
diff --git a/tools/perf/ui/browser.h b/tools/perf/ui/browser.h
index af70314..404ff66 100644
--- a/tools/perf/ui/browser.h
+++ b/tools/perf/ui/browser.h
@@ -11,6 +11,7 @@
 #define HE_COLORSET_SELECTED   53
 #define HE_COLORSET_CODE       54
 #define HE_COLORSET_ADDR       55
+#define HE_COLORSET_ROOT       56
 
 struct ui_browser {
        u64           index, top_idx;
diff --git a/tools/perf/ui/browsers/annotate.c 
b/tools/perf/ui/browsers/annotate.c
index f56247a..cc64d3f 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -10,7 +10,6 @@
 #include "../../util/symbol.h"
 #include "../../util/evsel.h"
 #include <pthread.h>
-#include <newt.h>
 
 struct browser_disasm_line {
        struct rb_node  rb_node;
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index a5843fd..d88a2d0 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -2,7 +2,6 @@
 #include "../libslang.h"
 #include <stdlib.h>
 #include <string.h>
-#include <newt.h>
 #include <linux/rbtree.h>
 
 #include "../../util/evsel.h"
diff --git a/tools/perf/ui/browsers/scripts.c b/tools/perf/ui/browsers/scripts.c
index cbbd44b..12f009e 100644
--- a/tools/perf/ui/browsers/scripts.c
+++ b/tools/perf/ui/browsers/scripts.c
@@ -1,5 +1,4 @@
 #include <elf.h>
-#include <newt.h>
 #include <inttypes.h>
 #include <sys/ttydefaults.h>
 #include <string.h>
diff --git a/tools/perf/ui/tui/setup.c b/tools/perf/ui/tui/setup.c
index 81efa19..b940148 100644
--- a/tools/perf/ui/tui/setup.c
+++ b/tools/perf/ui/tui/setup.c
@@ -1,4 +1,3 @@
-#include <newt.h>
 #include <signal.h>
 #include <stdbool.h>
 
@@ -88,13 +87,6 @@ int ui__getch(int delay_secs)
        return SLkp_getkey();
 }
 
-static void newt_suspend(void *d __maybe_unused)
-{
-       newtSuspend();
-       raise(SIGTSTP);
-       newtResume();
-}
-
 static void ui__signal(int sig)
 {
        ui__exit(false);
@@ -106,7 +98,17 @@ int ui__init(void)
 {
        int err;
 
-       newtInit();
+       SLutf8_enable(-1);
+       SLtt_get_terminfo();
+       SLtt_get_screen_size();
+
+       err = SLsmg_init_smg();
+       if (err < 0)
+               goto out;
+       err = SLang_init_tty(0, 0, 0);
+       if (err < 0)
+               goto out;
+
        err = SLkp_init();
        if (err < 0) {
                pr_err("TUI initialization failed.\n");
@@ -115,7 +117,6 @@ int ui__init(void)
 
        SLkp_define_keysym((char *)"^(kB)", SL_KEY_UNTAB);
 
-       newtSetSuspendCallback(newt_suspend, NULL);
        ui_helpline__init();
        ui_browser__init();
        ui_progress__init();
diff --git a/tools/perf/ui/ui.h b/tools/perf/ui/ui.h
index d86359c..70cb0d4 100644
--- a/tools/perf/ui/ui.h
+++ b/tools/perf/ui/ui.h
@@ -12,7 +12,7 @@ extern int use_browser;
 void setup_browser(bool fallback_to_pager);
 void exit_browser(bool wait_for_ok);
 
-#ifdef NEWT_SUPPORT
+#ifdef SLANG_SUPPORT
 int ui__init(void);
 void ui__exit(bool wait_for_ok);
 #else
diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
index 6f3c16f..af75515 100644
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -150,7 +150,7 @@ int symbol__tty_annotate(struct symbol *sym, struct map 
*map,
                         struct perf_evsel *evsel, bool print_lines,
                         bool full_paths, int min_pcnt, int max_lines);
 
-#ifdef NEWT_SUPPORT
+#ifdef SLANG_SUPPORT
 int symbol__tui_annotate(struct symbol *sym, struct map *map,
                         struct perf_evsel *evsel,
                         struct hist_browser_timer *hbt);
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index fd63134..14c2fe2 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -192,7 +192,7 @@ struct hist_browser_timer {
        int refresh;
 };
 
-#ifdef NEWT_SUPPORT
+#ifdef SLANG_SUPPORT
 #include "../ui/keysyms.h"
 int hist_entry__tui_annotate(struct hist_entry *he, struct perf_evsel *evsel,
                             struct hist_browser_timer *hbt);
-- 
1.7.1

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