[w3m-dev 03732] Re: scroll() is slow ?

* configure (use_raw_scroll): added
	(config.h) use_raw_scroll
* config.h.dist (USE_RAW_SCROLL): added
* display.c (displayBuffer): ifdef USE_RAW_SCROLL
* proto.h (scroll): ifdef USE_RAW_SCROLL
	(rscroll): ditto
	(need_clrtoeol): if 0
	(terms.c): if 0 need_clrtoeol
	(scroll_raw): ifdef USE_RAW_SCROLL
From: Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>

6 files changed, 43 insertions, 7 deletions

diff --git a/ChangeLog b/ChangeLog
index c70a6f1..c7fc387 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,16 @@
+2003-02-07  Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>
+
+	* [w3m-dev 03732] Re: scroll() is slow ?
+	* configure (use_raw_scroll): added
+		(config.h) use_raw_scroll
+	* config.h.dist (USE_RAW_SCROLL): added
+	* display.c (displayBuffer): ifdef USE_RAW_SCROLL
+	* proto.h (scroll): ifdef USE_RAW_SCROLL
+		(rscroll): ditto
+		(need_clrtoeol): if 0
+		(terms.c): if 0 need_clrtoeol
+		(scroll_raw): ifdef USE_RAW_SCROLL
+
 2003-02-06  Fumitoshi UKAI  <ukai@debian.or.jp>
 
 	* NEWS: rc: decode_url
@@ -7087,4 +7100,4 @@ a	* [w3m-dev 03276] compile error on EWS4800
 	* release-0-2-1
 	* import w3m-0.2.1
 
-$Id: ChangeLog,v 1.739 2003/02/05 16:45:57 ukai Exp $
+$Id: ChangeLog,v 1.740 2003/02/06 17:15:04 ukai Exp $
diff --git a/config.h.dist b/config.h.dist
index fbe8d22..5ca09d4 100644
--- a/config.h.dist
+++ b/config.h.dist
@@ -55,6 +55,11 @@
 #undef MENU_THIN_FRAME
 
 /*
+ * Use raw scroll
+ */
+#undef USE_RAW_SCROLL
+
+/*
  */
 #undef TABLE_EXPAND
 #undef TABLE_NO_COMPACT
diff --git a/configure b/configure
index 65e94c4..a051cef 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #!/bin/sh
-# $Id: configure,v 1.96 2003/01/29 17:10:25 ukai Exp $
+# $Id: configure,v 1.97 2003/02/06 17:15:10 ukai Exp $
 #	Configuration.
 #
 
@@ -883,6 +883,7 @@ def_param use_bufinfo n
 def_param use_egd y
 def_param enable_remove_trailingspaces n
 def_param menu_thin_frame n
+def_param use_raw_scroll n
 def_param emacs_like_lineedit $include_opt
 def_param vi_prec_num $include_opt
 def_param label_topline $include_opt
@@ -2316,6 +2317,11 @@ $def_enable_remove_trailingspaces
 $def_menu_thin_frame
 
 /*
+ * Use raw scroll
+ */
+$def_use_raw_scroll
+
+/*
  */
 $def_table_expand
 $def_table_no_compact
diff --git a/display.c b/display.c
index 6b94993..e0c3319 100644
--- a/display.c
+++ b/display.c
@@ -1,4 +1,4 @@
-/* $Id: display.c,v 1.62 2003/02/05 16:43:57 ukai Exp $ */
+/* $Id: display.c,v 1.63 2003/02/06 17:15:11 ukai Exp $ */
 #include <signal.h>
 #include "fm.h"
 
@@ -417,6 +417,7 @@ displayBuffer(Buffer *buf, int mode)
     }
     if (mode == B_FORCE_REDRAW || mode == B_SCROLL || mode == B_REDRAW_IMAGE ||
 	cline != buf->topLine || ccolumn != buf->currentColumn) {
+#ifdef USE_RAW_SCROLL
 	if (
 #ifdef USE_IMAGE
 	       !(activeImage && displayImage && draw_image_flag) &&
@@ -439,7 +440,9 @@ displayBuffer(Buffer *buf, int mode)
 	    }
 	    redrawNLine(buf, n);
 	}
-	else {
+	else
+#endif
+	{
 #ifdef USE_IMAGE
 	    if (activeImage &&
 		(mode == B_REDRAW_IMAGE ||
diff --git a/proto.h b/proto.h
index 42bbb03..460663c 100644
--- a/proto.h
+++ b/proto.h
@@ -1,4 +1,4 @@
-/* $Id: proto.h,v 1.88 2003/02/05 16:44:00 ukai Exp $ */
+/* $Id: proto.h,v 1.89 2003/02/06 17:15:13 ukai Exp $ */
 /* 
  *   This file was automatically generated by version 1.7 of cextract.
  *   Manual editing not recommended.
@@ -449,9 +449,13 @@ extern void setbcolor(int color);
 #endif				/* USE_COLOR */
 extern void refresh(void);
 extern void clear(void);
+#ifdef USE_RAW_SCROLL
 extern void scroll(int);
 extern void rscroll(int);
+#endif
+#if 0
 extern void need_clrtoeol(void);
+#endif
 extern void clrtoeol(void);
 extern void clrtoeolx(void);
 extern void clrtobot(void);
diff --git a/terms.c b/terms.c
index d318250..f369597 100644
--- a/terms.c
+++ b/terms.c
@@ -1,4 +1,4 @@
-/* $Id: terms.c,v 1.43 2003/01/10 16:16:45 ukai Exp $ */
+/* $Id: terms.c,v 1.44 2003/02/06 17:15:16 ukai Exp $ */
 /* 
  * An original curses library for EUC-kanji by Akinori ITO,     December 1989
  * revised by Akinori ITO, January 1995
@@ -398,7 +398,10 @@ void clear(), wrap(), touch_line(), touch_column(int);
 void switch_wchar(FILE *);
 void switch_ascii(FILE *);
 #endif
-void need_clrtoeol(void), clrtoeol(void);	/* conflicts with curs_clear(3)? */
+#if 0
+void need_clrtoeol(void);
+#endif
+void clrtoeol(void);	/* conflicts with curs_clear(3)? */
 
 int write1(char);
 
@@ -1444,6 +1447,7 @@ clear(void)
     CurrentMode = C_ASCII;
 }
 
+#ifdef USE_RAW_SCROLL
 static void
 scroll_raw(void)
 {				/* raw scroll */
@@ -1535,6 +1539,7 @@ rscroll(int n)
 	}
     }
 }
+#endif
 
 #if 0
 void