[w3m-dev 03372] tab browser

* display.c (displayBuffer): add ny
			rootY offset by tab
			tab line
	(cursorDown): offset rootY
	(arrangeCursor): offset rootY
* etc.c (columnSkip): offset rootY
	(lineSkip): offset rootY
	(currentLineSkip): offset rootY
* file.c (HTMLlineproc2body): ATTR_TARGET
* fm.h (MapArea): add target
	(Buffer): add rootY
	(TabBuffer): added
	(Currentbuf): comment out
	(Firstbuf): comment out
	(CurrentTab): added
	(FirstTab): added
	(LastTab): added
	(open_tab_blank): added
	(close_tab_back): added
	(nTab): added
	(TabCols): added
	(N_TAB): added
	(Currentbuf): CurrentTab->currentBuffer
	(Firstbuf): CurrentTab->firstBuffer
* funcname.tab (CLOSE_TAB): added
	(NEW_TAB): added
	(NEXT_TAB): added
	(PREV_TAB): added
	(TAB_GOTO): added
	(TAB_GOTO_RELATIVE): added
	(TAB_LEFT): added
	(TAB_LINK): added
	(TAB_MENU): added
	(TAB_RIGHT): added
* html.c (ALST_AREA): add ATTR_TARGET
* image.c (showImageProgress): offset rootY
* main.c (_newT): added
	(followTab): added
	(moveTab): added
	(check_target): added
	(MAIN): init tab related values
		buf => tab
	(nscroll): offset rootY
	(pgFore): offset rootY
	(pgBack): offset rootY
	(ctrCsrV): offset rootY
	(_movD): offset rootY
	(_movU): offset rootY
	(_goLine): offset rootY
	(_mark): offset rootY
	(followA): check target
	(_followForm): offset rootY
	(drawAnchorCursor0): offset rootY
	(drawAnchorCursor): offset rootY
	(backBf): check close_tab_back
	(follow_map): rewrite for tab, check target
	(posTab): added
	(process_mouse): tab operation
			offset rootY
	(deleteFiles): for all buffers in all tabs
	(newTab): added
	(newT): added
	(numTab): added
	(deleteTab): added
	(closeT): added
	(nextT): added
	(prevT): added
	(followTab): added
	(tabA): added
	(tabURL0): added
	(tabURL): added
	(tabrURL): added
	(moveTab): added
	(tabR): added
	(tabL): added
* map.c (follow_map_menu): return MapArea
	(newMapArea): add target args
* menu.c (SelTabMenu): added
	(SelTabV): added
	(initSelTabMenu): added
	(smChTab): added
	(smDelTab): added
	(MainMenuItem): add Select Tab
				on New Tab
	(popupMenu): add initSelTabMenu()
			offset rootY
	(mainMn): offset rootY
	(selMn): offset rootY
	(initSelectMenu): offset rootY
	(tabMn): added
* proto.h (newT): added
	(closeT): added
	(nextT): added
	(prevT): added
	(tabA): added
	(tabURL): added
	(tabrURL): added
	(tabR): added
	(tabL): added
	(newTab): added
	(deleteTab): added
	(follow_map_menu): return MapArea
	(newMapArea): add target arg
	(tabMn): added
* rc.c (CMT_OPEN_TAB_BLANK): added
	(CMT_CLOSE_TAB_BACK): added
	(open_tab_blank): added
	(close_tab_back): added
* doc/README.func (CLOSE_TAB): added
	(NEW_TAB): added
	(NEXT_TAB): added
	(PREV_TAB): added
	(TAB_GOTO): added
	(TAB_GOTO_RELATIVE): added
	(TAB_LEFT): added
	(TAB_LINK): added
	(TAB_MENU): added
	(TAB_RIGHT): added
* doc-jp/README.func: ditto doc/README.func
From: Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>

15 files changed, 911 insertions, 81 deletions

diff --git a/ChangeLog b/ChangeLog
index 762cc72..b6f60e0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,126 @@
+2002-11-06  Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>
+
+	* [w3m-dev 03372] tab browser
+	* display.c (displayBuffer): add ny
+				rootY offset by tab
+				tab line
+		(cursorDown): offset rootY
+		(arrangeCursor): offset rootY
+	* etc.c (columnSkip): offset rootY
+		(lineSkip): offset rootY
+		(currentLineSkip): offset rootY
+	* file.c (HTMLlineproc2body): ATTR_TARGET
+	* fm.h (MapArea): add target
+		(Buffer): add rootY
+		(TabBuffer): added
+		(Currentbuf): comment out
+		(Firstbuf): comment out
+		(CurrentTab): added
+		(FirstTab): added
+		(LastTab): added
+		(open_tab_blank): added
+		(close_tab_back): added
+		(nTab): added
+		(TabCols): added
+		(N_TAB): added
+		(Currentbuf): CurrentTab->currentBuffer
+		(Firstbuf): CurrentTab->firstBuffer
+	* funcname.tab (CLOSE_TAB): added
+		(NEW_TAB): added
+		(NEXT_TAB): added
+		(PREV_TAB): added
+		(TAB_GOTO): added
+		(TAB_GOTO_RELATIVE): added
+		(TAB_LEFT): added
+		(TAB_LINK): added
+		(TAB_MENU): added
+		(TAB_RIGHT): added
+	* html.c (ALST_AREA): add ATTR_TARGET
+	* image.c (showImageProgress): offset rootY
+	* main.c (_newT): added
+		(followTab): added
+		(moveTab): added
+		(check_target): added
+		(MAIN): init tab related values
+			buf => tab
+		(nscroll): offset rootY
+		(pgFore): offset rootY
+		(pgBack): offset rootY
+		(ctrCsrV): offset rootY
+		(_movD): offset rootY
+		(_movU): offset rootY
+		(_goLine): offset rootY
+		(_mark): offset rootY
+		(followA): check target
+		(_followForm): offset rootY
+		(drawAnchorCursor0): offset rootY
+		(drawAnchorCursor): offset rootY
+		(backBf): check close_tab_back
+		(follow_map): rewrite for tab, check target
+		(posTab): added
+		(process_mouse): tab operation
+				offset rootY
+		(deleteFiles): for all buffers in all tabs
+		(newTab): added
+		(newT): added
+		(numTab): added
+		(deleteTab): added
+		(closeT): added
+		(nextT): added
+		(prevT): added
+		(followTab): added
+		(tabA): added
+		(tabURL0): added
+		(tabURL): added
+		(tabrURL): added
+		(moveTab): added
+		(tabR): added
+		(tabL): added
+	* map.c (follow_map_menu): return MapArea
+		(newMapArea): add target args
+	* menu.c (SelTabMenu): added
+		(SelTabV): added
+		(initSelTabMenu): added
+		(smChTab): added
+		(smDelTab): added
+		(MainMenuItem): add Select Tab
+					on New Tab
+		(popupMenu): add initSelTabMenu()
+				offset rootY
+		(mainMn): offset rootY
+		(selMn): offset rootY
+		(initSelectMenu): offset rootY
+		(tabMn): added
+	* proto.h (newT): added
+		(closeT): added
+		(nextT): added
+		(prevT): added
+		(tabA): added
+		(tabURL): added
+		(tabrURL): added
+		(tabR): added
+		(tabL): added
+		(newTab): added
+		(deleteTab): added
+		(follow_map_menu): return MapArea
+		(newMapArea): add target arg
+		(tabMn): added
+	* rc.c (CMT_OPEN_TAB_BLANK): added
+		(CMT_CLOSE_TAB_BACK): added
+		(open_tab_blank): added
+		(close_tab_back): added
+	* doc/README.func (CLOSE_TAB): added
+		(NEW_TAB): added
+		(NEXT_TAB): added
+		(PREV_TAB): added
+		(TAB_GOTO): added
+		(TAB_GOTO_RELATIVE): added
+		(TAB_LEFT): added
+		(TAB_LINK): added
+		(TAB_MENU): added
+		(TAB_RIGHT): added
+	* doc-jp/README.func: ditto doc/README.func
+
 2002-11-06  Fumitoshi UKAI  <ukai@debian.or.jp>
 
 	* doc-jp/README.pre_form: added [w3m-dev 03373]
@@ -4159,4 +4282,4 @@ a	* [w3m-dev 03276] compile error on EWS4800
 	* release-0-2-1
 	* import w3m-0.2.1
 
-$Id: ChangeLog,v 1.472 2002/11/05 16:37:36 ukai Exp $
+$Id: ChangeLog,v 1.473 2002/11/05 17:10:04 ukai Exp $
diff --git a/display.c b/display.c
index d9924f5..7f62f00 100644
--- a/display.c
+++ b/display.c
@@ -1,4 +1,4 @@
-/* $Id: display.c,v 1.25 2002/10/29 16:19:41 ukai Exp $ */
+/* $Id: display.c,v 1.26 2002/11/05 17:10:05 ukai Exp $ */
 #include <signal.h>
 #include "fm.h"
 
@@ -227,6 +227,7 @@ displayBuffer(Buffer *buf, int mode)
 {
     Str msg;
     Anchor *aa = NULL;
+    int ny = 0;
 
     if (buf->topLine == NULL && readBufferCache(buf) == 0) {	/* clear_buffer */
 	mode = B_FORCE_REDRAW;
@@ -253,6 +254,12 @@ displayBuffer(Buffer *buf, int mode)
     else
 	buf->rootX = 0;
     buf->COLS = COLS - buf->rootX;
+    if (nTab > 1)
+	ny = (nTab - 1) / N_TAB + 2;
+    if (buf->rootY != ny) {
+	buf->rootY = ny;
+	arrangeCursor(buf);
+    }
     if (mode == B_FORCE_REDRAW || mode == B_SCROLL ||
 #ifdef USE_IMAGE
 	mode == B_REDRAW_IMAGE ||
@@ -388,7 +395,7 @@ displayBuffer(Buffer *buf, int mode)
 	refresh();
     }
     standout();
-    message(msg->ptr, buf->cursorX + buf->rootX, buf->cursorY);
+    message(msg->ptr, buf->cursorX + buf->rootX, buf->cursorY + buf->rootY);
     standend();
     term_title(buf->buffername);
     refresh();
@@ -428,8 +435,41 @@ redrawNLine(Buffer *buf, int n)
 #endif				/* USE_BG_COLOR */
     }
 #endif				/* USE_COLOR */
-    for (i = 0, l = buf->topLine; i < LASTLINE; i++) {
-	if (i >= LASTLINE - n || i < -n)
+    if (nTab > 1) {
+	TabBuffer *t;
+	int nx = N_TAB, col = COLS - 2, x, l;
+
+	move(0, 0);
+	for (t = FirstTab, i = 0; t; t = t->nextTab, i++) {
+	    x = col * (i % nx) / nx;
+	    move(i / nx, x);
+	    if (t == CurrentTab)
+	        bold();
+	    addch('[');
+	    l = strlen(t->currentBuffer->buffername);
+	    if (col / nx - 2 > l)
+		addnstr_sup(" ", (col / nx - 2 - l) / 2);
+	    if (t == CurrentTab)
+		EFFECT_ACTIVE_START;
+	    addstr(t->currentBuffer->buffername);
+	    if (t == CurrentTab)
+		EFFECT_ACTIVE_END;
+	    clrtoeol();
+	    x = col * (i % nx + 1) / nx - 1;
+	    move(i / nx, x);
+	    addch(']');
+	    if (t == CurrentTab)
+	        boldend();
+	    clrtoeol();
+	}
+	move(0, col);
+	addstr(" x");
+	move((nTab - 1) / nx + 1, 0);
+	for (i = 0; i < COLS; i++)
+	    addch('~');
+    }
+    for (i = buf->rootY, l = buf->topLine; i < LASTLINE; i++) {
+	if (i >= LASTLINE - n || (i - buf->rootY) < -n)
 	    l0 = redrawLine(buf, l, i);
 	else {
 	    l0 = (l) ? l->next : NULL;
@@ -444,7 +484,7 @@ redrawNLine(Buffer *buf, int n)
 #ifdef USE_IMAGE
     if (!(activeImage && displayImage && buf->img))
 	return;
-    move(buf->cursorY, buf->cursorX);
+    move(buf->cursorY + buf->rootY, buf->cursorX + buf->rootX);
     for (i = 0, l = buf->topLine; i < LASTLINE; i++) {
 	if (i >= LASTLINE - n || i < -n)
 	    l0 = redrawLineImage(buf, l, i);
@@ -666,7 +706,7 @@ redrawLineImage(Buffer *buf, Line *l, int i)
 		    buf->need_reshape = TRUE;
 		}
 		x = (int)((rcol - column + buf->rootX) * pixel_per_char);
-		y = (int)(i * pixel_per_line);
+		y = (int)((i + buf->rootY) * pixel_per_line);
 		sx = (int)((rcol - COLPOS(l, a->start.pos)) * pixel_per_char);
 		sy = (int)((l->linenumber - image->y) * pixel_per_line);
 		if (sx == 0 && x + image->xoffset >= 0)
@@ -1009,7 +1049,7 @@ disp_message_nsec(char *s, int redraw_current, int sec, int purge, int mouse)
     }
     if (Currentbuf != NULL)
 	message(s, Currentbuf->cursorX + Currentbuf->rootX,
-		Currentbuf->cursorY);
+		Currentbuf->cursorY + Currentbuf->rootY);
     else
 	message(s, LASTLINE, 0);
     refresh();
@@ -1065,7 +1105,7 @@ cursorDown(Buffer *buf, int n)
 {
     if (buf->firstLine == NULL)
 	return;
-    if (buf->cursorY < LASTLINE - 1)
+    if (buf->cursorY + buf->rootY < LASTLINE - 1)
 	cursorUpDown(buf, 1);
     else {
 	buf->topLine = lineSkip(buf, buf->topLine, n, FALSE);
@@ -1180,9 +1220,12 @@ arrangeCursor(Buffer *buf)
     if (buf == NULL || buf->currentLine == NULL)
 	return;
     /* Arrange line */
-    if (buf->currentLine->linenumber - buf->topLine->linenumber >= LASTLINE ||
-	buf->currentLine->linenumber < buf->topLine->linenumber) {
+    if (buf->currentLine->linenumber - buf->topLine->linenumber >= LASTLINE -
+	buf->rootY || buf->currentLine->linenumber < buf->topLine->linenumber) {
+/*
 	buf->topLine = buf->currentLine;
+*/
+	buf->topLine = lineSkip(buf, buf->currentLine, 0, FALSE);
     }
     /* Arrange column */
     if (buf->currentLine->len == 0)
diff --git a/doc-jp/README.func b/doc-jp/README.func
index 515409b..4196cea 100644
--- a/doc-jp/README.func
+++ b/doc-jp/README.func
@@ -6,6 +6,7 @@ BEGIN		文書のいちばん上の行に移動します
 BOOKMARK	ブックマークを読み込みます
 CENTER_H	カーソルのある位置を行の中央に移動します
 CENTER_V	カーソルのある行を画面の中央に移動します
+CLOSE_TAB	現在のタブを閉じます
 COMMAND		w3mのコマンドを実行します
 COOKIE		クッキー一覧を表示します
 DEFINE_KEY	キー入力とコマンドの対応を定義します
@@ -57,6 +58,7 @@ MOVE_RIGHT1    カーソルを右に移動します(右端の場合には１文字分シフト)
 MOVE_UP                カーソルを上に移動します(改ページ時には半ページスクロール)
 MOVE_UP1       カーソルを上に移動します(改ページ時には１行スクロール)
 MSGS        エラーメッセージの一覧の表示
+NEW_TAB		新しいタブを開きます
 NEXT_DOWN      カーソルの下側にあるリンクに移動します
 NEXT_LEFT      カーソルの左側にあるリンクに移動します
 NEXT_LEFT_UP   カーソルの左側(無ければ前の行以前)にあるリンクに移動します
@@ -65,6 +67,7 @@ NEXT_MARK	一つ後のマークに移動します
 NEXT_PAGE	次のページを表示します
 NEXT_RIGHT     カーソルの右側にあるリンクに移動します
 NEXT_RIGHT_DOWN        カーソルの右側(無ければ次行以降)にあるリンクに移動します
+NEXT_TAB	次のタブに移動します
 NEXT_UP                カーソルの上側にあるリンクに移動します
 NEXT_WORD	次の単語に移動します
 NOTHING		何もしません
@@ -78,6 +81,7 @@ PIPE_SHELL	コマンドを実行し，結果を読みこみながら表示します
 PREV_LINK	前のリンクに移動します
 PREV_MARK	一つ前のマークに移動します
 PREV_PAGE	前のページを表示します
+PREV_TAB	前のタブに移動します
 PREV_WORD	前の単語に移動します
 PRINT		バッファの表示内容をファイルに保存します
 QUIT		w3mを終了します
@@ -106,6 +110,12 @@ SOURCE		HTMLのソースを表示します
 STOP_IMAGE	画像の読込/表示を停止します
 SUBMIT		フォームにサブミットします
 SUSPEND		サスペンド
+TAB_GOTO	URLを指定して新しいタブで開きます
+TAB_GOTO_RELATIVE	相対URLを指定して新しいタブで開きます
+TAB_LEFT	現在のタブを左に移動します
+TAB_LINK	リンクが指す先の文書を新しいタブで開きます
+TAB_MENU	タブ選択メニューを立ち上げます
+TAB_RIGHT	現在のタブを右に移動します
 UP		画面を1行上にスクロールします
 VERSION                w3m のバージョンを表示します
 VIEW		HTMLのソースを表示します
diff --git a/doc/README.func b/doc/README.func
index 7647f9d..57a03e5 100644
--- a/doc/README.func
+++ b/doc/README.func
@@ -6,6 +6,7 @@ BEGIN		Go to the first line
 BOOKMARK	Read bookmark
 CENTER_H	Move to the center line
 CENTER_V	Move to the center column
+CLOSE_TAB	Close current tab
 COMMAND		Execute w3m command(s)
 COOKIE		View cookie list
 DEFINE_KEY	Define a binding between a key stroke and a user command
@@ -57,6 +58,7 @@ MOVE_RIGHT1    Move cursor right (1 columns shift at the right edge)
 MOVE_UP                Move cursor up (a half screen scroll at the top of screen)
 MOVE_UP1       Move cursor up (1 line scrol at the top of screen)
 MSGS        Display error messages
+NEW_TAB		Open new tab
 NEXT_DOWN      Move to next downward link 
 NEXT_LEFT      Move to next left link 
 NEXT_LEFT_UP   Move to next left (or upward) link 
@@ -65,6 +67,7 @@ NEXT_MARK	Move to next word
 NEXT_PAGE	Move to next page
 NEXT_RIGHT     Move to next right link 
 NEXT_RIGHT_DOWN        Move to next right (or downward) link 
+NEXT_TAB	Move to next tab
 NEXT_UP                Move to next upward link 
 NEXT_WORD	Move to next word
 NOTHING		Do nothing
@@ -78,6 +81,7 @@ PIPE_SHELL	Execute shell command and browse
 PREV_LINK	Move to previous link
 PREV_MARK	Move to previous mark
 PREV_PAGE	Move to previous page
+PREV_TAB	Move to previous tab
 PREV_WORD	Move to previous word
 PRINT		Save buffer to file
 QUIT		Quit w3m
@@ -106,6 +110,12 @@ SOURCE		View HTML source
 STOP_IMAGE	Stop loading and drawing of images
 SUBMIT		Submit form
 SUSPEND		Stop loading document
+TAB_GOTO	Open URL on new tab
+TAB_GOTO_RELATIVE	Open relative URL on new tab
+TAB_LEFT	Move current tab left
+TAB_LINK	Open current link on new tab
+TAB_MENU	Popup tab selection menu
+TAB_RIGHT	Move current tab right
 UP		Scroll up one line
 VERSION                Display version of w3m
 VIEW		View HTML source
diff --git a/etc.c b/etc.c
index 4bdb72b..8917ec9 100644
--- a/etc.c
+++ b/etc.c
@@ -1,4 +1,4 @@
-/* $Id: etc.c,v 1.30 2002/11/05 16:03:13 ukai Exp $ */
+/* $Id: etc.c,v 1.31 2002/11/05 17:10:05 ukai Exp $ */
 #include "fm.h"
 #include <pwd.h>
 #include "myctype.h"
@@ -42,7 +42,7 @@ columnSkip(Buffer *buf, int offset)
 {
     int i, maxColumn;
     int column = buf->currentColumn + offset;
-    int nlines = LASTLINE + 1;
+    int nlines = LASTLINE + 1 - buf->rootY;
     Line *l;
 
     maxColumn = 0;
@@ -91,8 +91,8 @@ lineSkip(Buffer *buf, Line *line, int offset, int last)
 #ifdef NEXTPAGE_TOPLINE
     if (!nextpage_topline)
 #endif
-	for (i = (LASTLINE - 1) - (buf->lastLine->linenumber - l->linenumber);
-	     i > 0 && l->prev != NULL; i--, l = l->prev) ;
+	for (i = (LASTLINE - 1 - buf->rootY) - (buf->lastLine->linenumber
+	     - l->linenumber); i > 0 && l->prev != NULL; i--, l = l->prev) ;
     return l;
 }
 
@@ -103,7 +103,7 @@ currentLineSkip(Buffer *buf, Line *line, int offset, int last)
     Line *l = line;
 
     if (buf->pagerSource && !(buf->bufferprop & BP_CLOSE)) {
-	n = line->linenumber + offset + LASTLINE;
+	n = line->linenumber + offset + LASTLINE - buf->rootY;
 	if (buf->lastLine->linenumber < n)
 	    getNextPage(buf, n - buf->lastLine->linenumber);
 	while ((last || (buf->lastLine->linenumber < n)) &&
diff --git a/file.c b/file.c
index 8cdf4b2..94fac59 100644
--- a/file.c
+++ b/file.c
@@ -1,4 +1,4 @@
-/* $Id: file.c,v 1.110 2002/11/05 15:56:13 ukai Exp $ */
+/* $Id: file.c,v 1.111 2002/11/05 17:10:05 ukai Exp $ */
 #include "fm.h"
 #include <sys/types.h>
 #include "myctype.h"
@@ -4730,7 +4730,7 @@ HTMLlineproc2body(Buffer *buf, Str (*feed) (), int llimit)
 {
     Anchor *a_href = NULL, *a_img = NULL, *a_form = NULL;
     char outc[LINELEN];
-    char *p, *q, *r, *s, *str;
+    char *p, *q, *r, *s, *t, *str;
     Lineprop outp[LINELEN], mode, effect;
     int pos;
     int nlines;
@@ -5081,6 +5081,8 @@ HTMLlineproc2body(Buffer *buf, Str (*feed) (), int llimit)
 			MapArea *a;
 			p = remove_space(p);
 			p = url_quote_conv(p, buf->document_code);
+			t = NULL;
+			parsedtag_get_value(tag, ATTR_TARGET, &t);
 			q = "";
 			parsedtag_get_value(tag, ATTR_ALT, &q);
 			r = NULL;
@@ -5089,7 +5091,7 @@ HTMLlineproc2body(Buffer *buf, Str (*feed) (), int llimit)
 			parsedtag_get_value(tag, ATTR_SHAPE, &r);
 			parsedtag_get_value(tag, ATTR_COORDS, &s);
 #endif
-			a = newMapArea(p, q, r, s);
+			a = newMapArea(p, t, q, r, s);
 			pushValue(buf->maplist->area, (void *)a);
 		    }
 		    break;
diff --git a/fm.h b/fm.h
index 1bb00c4..337dbb1 100644
--- a/fm.h
+++ b/fm.h
@@ -1,4 +1,4 @@
-/* $Id: fm.h,v 1.68 2002/11/05 15:56:13 ukai Exp $ */
+/* $Id: fm.h,v 1.69 2002/11/05 17:10:05 ukai Exp $ */
 /* 
  * w3m: WWW wo Miru utility
  * 
@@ -285,6 +285,7 @@ typedef unsigned char Linecolor;
 
 typedef struct _MapArea {
     char *url;
+    char *target;
     char *alt;
 #ifdef MENU_MAP
 #ifdef USE_IMAGE
@@ -401,6 +402,7 @@ typedef struct _Buffer {
     short pos;
     short visualpos;
     short rootX;
+    short rootY;
     short COLS;
     InputStream pagerSource;
     AnchorList *href;
@@ -441,6 +443,12 @@ typedef struct _Buffer {
     Anchor *submit;
 } Buffer;
 
+typedef struct _TabBuffer {
+    struct _TabBuffer *nextTab;
+    struct _TabBuffer *prevTab;
+    Buffer *currentBuffer;
+    Buffer *firstBuffer;
+} TabBuffer;
 
 #define COPY_BUFPOSITION(dstbuf, srcbuf) {\
  (dstbuf)->topLine = (srcbuf)->topLine; \
@@ -466,7 +474,7 @@ typedef struct _Buffer {
 
 #define FONTSTAT_SIZE 4
 
-#define INIT_BUFFER_WIDTH (COLS-1)
+#define INIT_BUFFER_WIDTH (COLS - 1)
 
 typedef struct {
     int pos;
@@ -763,8 +771,21 @@ global char *cgi_bin init(NULL);
 global char *index_file init(NULL);
 
 global char *CurrentDir;
+/*
 global Buffer *Currentbuf;
 global Buffer *Firstbuf;
+*/
+global TabBuffer *CurrentTab;
+global TabBuffer *FirstTab;
+global TabBuffer *LastTab;
+global int open_tab_blank init(FALSE);
+global int close_tab_back init(FALSE);
+global int nTab;
+global int TabCols init(10);
+#define N_TAB ((COLS - 2 > TabCols * nTab) ? nTab	\
+	: (nTab - 1) / ((nTab * TabCols - 1) / (COLS - 2) + 1) + 1)
+#define Currentbuf (CurrentTab->currentBuffer)
+#define Firstbuf (CurrentTab->firstBuffer)
 global int CurrentKey;
 global char *CurrentKeyData;
 global char *CurrentCmdData;
diff --git a/funcname.tab b/funcname.tab
index 1bc1b2c..a3bd25f 100644
--- a/funcname.tab
+++ b/funcname.tab
@@ -1,4 +1,4 @@
-# $Id: funcname.tab,v 1.11 2002/09/05 15:43:21 ukai Exp $
+# $Id: funcname.tab,v 1.12 2002/11/05 17:10:05 ukai Exp $
 # macro name	function name
 #----------------------------
 @@@		nulcmd
@@ -10,6 +10,7 @@ BEGIN		goLineF
 BOOKMARK	ldBmark
 CENTER_H	ctrCsrH
 CENTER_V	ctrCsrV
+CLOSE_TAB	closeT
 COMMAND		execCmd
 COOKIE		cooLst
 DEFINE_KEY	defKey
@@ -63,6 +64,7 @@ MOVE_RIGHT1    movR1
 MOVE_UP		movU
 MOVE_UP1       movU1
 MSGS		msgs
+NEW_TAB		newT
 NEXT_DOWN      nextD
 NEXT_LEFT      nextL
 NEXT_LEFT_UP   nextLU
@@ -71,6 +73,7 @@ NEXT_MARK	nextMk
 NEXT_PAGE	pgFore
 NEXT_RIGHT     nextR
 NEXT_RIGHT_DOWN        nextRD
+NEXT_TAB	nextT
 NEXT_UP                nextU
 NEXT_WORD	movRW
 NOTHING		nulcmd
@@ -85,6 +88,7 @@ PIPE_SHELL	pipesh
 PREV_LINK	prevA
 PREV_MARK	prevMk
 PREV_PAGE	pgBack
+PREV_TAB	prevT
 PREV_WORD	movLW
 PRINT		svBuf
 QUIT		qquitfm
@@ -114,6 +118,12 @@ SOURCE		vwSrc
 STOP_IMAGE	stopI
 SUBMIT        submitForm
 SUSPEND		susp
+TAB_GOTO	tabURL
+TAB_GOTO_RELATIVE	tabrURL
+TAB_LEFT	tabL
+TAB_LINK	tabA
+TAB_MENU	tabMn
+TAB_RIGHT	tabR
 UP		lup1
 VERSION dispVer
 VIEW		vwSrc
diff --git a/html.c b/html.c
index 55b6762..5d6b37b 100644
--- a/html.c
+++ b/html.c
@@ -1,4 +1,4 @@
-/* $Id: html.c,v 1.14 2002/10/16 18:11:15 ukai Exp $ */
+/* $Id: html.c,v 1.15 2002/11/05 17:10:05 ukai Exp $ */
 #include "html.h"
 
 /* Define HTML Tag Infomation Table */
@@ -64,8 +64,8 @@ unsigned char ALST_ISINDEX[] = { ATTR_ACTION, ATTR_PROMPT, ATTR_CORE };
 unsigned char ALST_MAP[] = { ATTR_NAME, ATTR_CORE };
 #define MAXA_MAP	MAXA_CORE + 1
 unsigned char ALST_AREA[] =
-    { ATTR_HREF, ATTR_ALT, ATTR_SHAPE, ATTR_COORDS, ATTR_CORE };
-#define MAXA_AREA	MAXA_CORE + 4
+    { ATTR_HREF, ATTR_TARGET, ATTR_ALT, ATTR_SHAPE, ATTR_COORDS, ATTR_CORE };
+#define MAXA_AREA	MAXA_CORE + 5
 unsigned char ALST_BASE[] = { ATTR_HREF, ATTR_TARGET, ATTR_CORE };
 #define MAXA_BASE	MAXA_CORE + 2
 unsigned char ALST_BODY[] = { ATTR_BACKGROUND, ATTR_CORE };
diff --git a/image.c b/image.c
index 9497ea5..dd6e8f3 100644
--- a/image.c
+++ b/image.c
@@ -1,4 +1,4 @@
-/* $Id: image.c,v 1.11 2002/07/29 15:25:37 ukai Exp $ */
+/* $Id: image.c,v 1.12 2002/11/05 17:10:05 ukai Exp $ */
 
 #include "fm.h"
 #include <sys/types.h>
@@ -358,7 +358,7 @@ showImageProgress(Buffer *buf)
     }
     if (n) {
 	message(Sprintf("%d/%d images loaded", l, n)->ptr,
-		buf->cursorX + buf->rootX, buf->cursorY);
+		buf->cursorX + buf->rootX, buf->cursorY + buf->rootY);
 	refresh();
     }
 }
diff --git a/main.c b/main.c
index 5f0b299..1ea0f87 100644
--- a/main.c
+++ b/main.c
@@ -1,4 +1,4 @@
-/* $Id: main.c,v 1.117 2002/11/05 15:56:13 ukai Exp $ */
+/* $Id: main.c,v 1.118 2002/11/05 17:10:06 ukai Exp $ */
 #define MAINPROGRAM
 #include "fm.h"
 #include <signal.h>
@@ -90,6 +90,10 @@ void set_buffer_environ(Buffer *);
 
 static void _followForm(int);
 static void _goLine(char *);
+static void _newT(void);
+static void followTab(TabBuffer *tab);
+static void moveTab(TabBuffer *t, TabBuffer *t2, int right);
+static int check_target = TRUE; 
 #define PREC_NUM (prec_num ? prec_num : 1)
 #define PREC_LIMIT 10000
 static int searchKeyNum(void);
@@ -707,8 +711,10 @@ MAIN(int argc, char **argv, char **envp)
     sock_init();
 #endif
 
-    Firstbuf = NULL;
-    Currentbuf = NULL;
+    FirstTab = NULL;
+    LastTab = NULL;
+    nTab = 0;
+    CurrentTab = NULL;
     CurrentKey = -1;
     if (BookmarkFile == NULL)
 	BookmarkFile = rcFile(BOOKMARK);
@@ -879,8 +885,11 @@ MAIN(int argc, char **argv, char **envp)
 	else if (newbuf == NO_BUFFER)
 	    continue;
 	newbuf->search_header = search_header;
-	if (Currentbuf == NULL)
+	if (CurrentTab == NULL) {
+	    FirstTab = LastTab = CurrentTab = newTab();
+	    nTab = 1;
 	    Firstbuf = Currentbuf = newbuf;
+	}
 	else {
 	    Currentbuf->nextBuffer = newbuf;
 	    Currentbuf = newbuf;
@@ -914,7 +923,7 @@ MAIN(int argc, char **argv, char **envp)
 	w3m_exit(0);
     }
 
-    if (!Firstbuf || Firstbuf == NO_BUFFER) {
+    if (!FirstTab || !Firstbuf || Firstbuf == NO_BUFFER) {
 	if (newbuf == NO_BUFFER) {
 	    if (fmInitialized)
 		inputChar("Hit any key to quit w3m:");
@@ -1313,7 +1322,8 @@ nscroll(int n, int mode)
     }
     else {
 	tlnum = Currentbuf->topLine->linenumber;
-	llnum = Currentbuf->topLine->linenumber + LASTLINE - 1;
+	llnum = Currentbuf->topLine->linenumber + LASTLINE - Currentbuf->rootY
+		- 1;
 #ifdef NEXTPAGE_TOPLINE
 	if (nextpage_topline)
 	    diff_n = 0;
@@ -1336,10 +1346,11 @@ pgFore(void)
 {
 #ifdef VI_PREC_NUM
     if (vi_prec_num)
-	nscroll(searchKeyNum() * (LASTLINE - 1), B_NORMAL);
+	nscroll(searchKeyNum() * (LASTLINE - Currentbuf->rootY - 1), B_NORMAL);
     else
 #endif
-	nscroll(prec_num ? searchKeyNum() : searchKeyNum() * (LASTLINE - 1),
+	nscroll(prec_num ? searchKeyNum() : searchKeyNum()
+		* (LASTLINE - Currentbuf->rootY - 1),
 		prec_num ? B_SCROLL : B_NORMAL);
 }
 
@@ -1349,10 +1360,11 @@ pgBack(void)
 {
 #ifdef VI_PREC_NUM
     if (vi_prec_num)
-	nscroll(-searchKeyNum() * (LASTLINE - 1), B_NORMAL);
+	nscroll(-searchKeyNum() * (LASTLINE - Currentbuf->rootY - 1), B_NORMAL);
     else
 #endif
-	nscroll(-(prec_num ? searchKeyNum() : searchKeyNum() * (LASTLINE - 1)),
+	nscroll(-(prec_num ? searchKeyNum() : searchKeyNum()
+		* (LASTLINE - Currentbuf->rootY - 1)),
 		prec_num ? B_SCROLL : B_NORMAL);
 }
 
@@ -1377,7 +1389,7 @@ ctrCsrV(void)
     int offsety;
     if (Currentbuf->firstLine == NULL)
 	return;
-    offsety = LASTLINE / 2 - Currentbuf->cursorY;
+    offsety = (LASTLINE - Currentbuf->rootY) / 2 - Currentbuf->cursorY;
     if (offsety != 0) {
 #if 0
 	Currentbuf->currentLine = lineSkip(Currentbuf,
@@ -1971,7 +1983,7 @@ _movD(int n)
 void
 movD(void)
 {
-    _movD((LASTLINE + 1) / 2);
+    _movD((LASTLINE - Currentbuf->rootY + 1) / 2);
 }
 
 void
@@ -1995,7 +2007,7 @@ _movU(int n)
 void
 movU(void)
 {
-    _movU((LASTLINE + 1) / 2);
+    _movU((LASTLINE - Currentbuf->rootY + 1) / 2);
 }
 
 void
@@ -2285,8 +2297,8 @@ _goLine(char *l)
     }
     else if (*l == '$') {
 	Currentbuf->topLine =
-	    lineSkip(Currentbuf, Currentbuf->lastLine, -(LASTLINE + 1) / 2,
-		     TRUE);
+	    lineSkip(Currentbuf, Currentbuf->lastLine,
+		     -(LASTLINE - Currentbuf->rootY + 1) / 2, TRUE);
 	Currentbuf->currentLine = Currentbuf->lastLine;
     }
     else
@@ -2441,7 +2453,8 @@ _mark(void)
 	return;
     l = Currentbuf->currentLine;
     l->propBuf[Currentbuf->pos] ^= PE_MARK;
-    redrawLine(Currentbuf, l, l->linenumber - Currentbuf->topLine->linenumber);
+    redrawLine(Currentbuf, l, l->linenumber - Currentbuf->topLine->linenumber
+	       + Currentbuf->rootY);
 }
 
 /* Go to next mark */
@@ -2766,6 +2779,21 @@ followA(void)
     if (map)
 	url = Sprintf("%s?%d,%d", a->url, x, y)->ptr;
 #endif
+
+    if (check_target && open_tab_blank && a->target &&
+	(!strcasecmp(a->target, "_new") || !strcasecmp(a->target, "_blank"))) {
+	Buffer *buf;
+
+	_newT();
+	buf = Currentbuf;
+	loadLink(url, a->target, a->referer, NULL);
+	if (buf != Currentbuf)
+	    delBuffer(buf);
+	else
+	    deleteTab(CurrentTab);
+	displayBuffer(Currentbuf, B_NORMAL);
+	return;
+    }
     loadLink(url, a->target, a->referer, NULL);
     displayBuffer(Currentbuf, B_NORMAL);
 }
@@ -3123,7 +3151,7 @@ _followForm(int submit)
 	if (!formChooseOptionByMenu(fi,
 				    Currentbuf->cursorX - Currentbuf->pos +
 				    a->start.pos + Currentbuf->rootX,
-				    Currentbuf->cursorY))
+				    Currentbuf->cursorY + Currentbuf->rootY))
 	    break;
 	formUpdateBuffer(a, Currentbuf, fi);
 	if (fi->parent->nitems == 1)
@@ -3241,12 +3269,12 @@ drawAnchorCursor0(Buffer *buf, int hseq, int prevhseq, int tline, int eline,
 		}
 	    }
 	    if (active)
-		redrawLineRegion(buf, l, l->linenumber - tline,
+		redrawLineRegion(buf, l, l->linenumber - tline + buf->rootY,
 				 an->start.pos, an->end.pos);
 	}
 	else if (prevhseq >= 0 && an->hseq == prevhseq) {
 	    if (active)
-		redrawLineRegion(buf, l, l->linenumber - tline,
+		redrawLineRegion(buf, l, l->linenumber - tline + buf->rootY,
 				 an->start.pos, an->end.pos);
 	}
     }
@@ -3271,7 +3299,7 @@ drawAnchorCursor(Buffer *buf)
     else
 	hseq = -1;
     tline = buf->topLine->linenumber;
-    eline = tline + LASTLINE;
+    eline = tline + LASTLINE - buf->rootY;
     prevhseq = buf->hmarklist->prevhseq;
 
     drawAnchorCursor0(buf, hseq, prevhseq, tline, eline, 1);
@@ -3652,7 +3680,12 @@ backBf(void)
     Buffer *buf = Currentbuf->linkBuffer[LB_N_FRAME];
 
     if (!checkBackBuffer(Currentbuf)) {
-	disp_message("Can't back...", TRUE);
+	if (close_tab_back && nTab >= 1) {
+	    deleteTab(CurrentTab);
+	    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+	}
+	else
+	    disp_message("Can't back...", TRUE);
 	return;
     }
 
@@ -3938,23 +3971,39 @@ void
 follow_map(struct parsed_tagarg *arg)
 {
 #ifdef MENU_MAP
-    Anchor *a;
-    char *url;
-    int x;
+    Anchor *an;
+    MapArea *a;
+    int x, y;
     ParsedURL p_url;
 
-    a = retrieveCurrentImg(Currentbuf);
+    an = retrieveCurrentImg(Currentbuf);
     x = Currentbuf->cursorX + Currentbuf->rootX;
-    url = follow_map_menu(Currentbuf, arg, a, x, Currentbuf->cursorY);
-    if (url == NULL || *url == '\0')
+    y = Currentbuf->cursorY + Currentbuf->rootY;
+    a = follow_map_menu(Currentbuf, arg, an, x, y);
+    if (a == NULL || a->url == NULL || *(a->url) == '\0')
 	return;
-    if (*url == '#') {
-	gotoLabel(url + 1);
+    if (*(a->url) == '#') {
+	gotoLabel(a->url + 1);
 	return;
     }
-    parseURL2(url, &p_url, baseURL(Currentbuf));
+    parseURL2(a->url, &p_url, baseURL(Currentbuf));
     pushHashHist(URLHist, parsedURL2Str(&p_url)->ptr);
-    cmd_loadURL(url, baseURL(Currentbuf),
+    if (check_target && open_tab_blank && a->target &&
+	(!strcasecmp(a->target, "_new") || !strcasecmp(a->target, "_blank"))) {
+	Buffer *buf;
+
+	_newT();
+	buf = Currentbuf;
+	cmd_loadURL(a->url, baseURL(Currentbuf),
+		parsedURL2Str(&Currentbuf->currentURL)->ptr);
+	if (buf != Currentbuf)
+	    delBuffer(buf);
+	else
+	    deleteTab(CurrentTab);
+	displayBuffer(Currentbuf, B_NORMAL);
+	return;
+    }
+    cmd_loadURL(a->url, baseURL(Currentbuf),
 		parsedURL2Str(&Currentbuf->currentURL)->ptr);
 #else
     Buffer *buf;
@@ -4629,15 +4678,76 @@ stopI(void)
 
 #ifdef USE_MOUSE
 
+static TabBuffer *
+posTab(int x, int y)
+{
+    TabBuffer *t;
+    int i, n, col = COLS - 2;
+
+    if (col <= 0)
+	return NULL;
+    n = x * N_TAB / col + y * N_TAB;
+    for (t = FirstTab, i = 0; t && i < n; t = t->nextTab, i++)
+	;
+    return t;
+}
+
 static void
 process_mouse(int btn, int x, int y)
 {
     int delta_x, delta_y, i;
     static int press_btn = MOUSE_BTN_RESET, press_x, press_y;
+    TabBuffer *t;
+    int ny = 0;
 
+    if (nTab > 1)
+	ny = (nTab - 1) / N_TAB + 1;
     if (btn == MOUSE_BTN_UP) {
 	switch (press_btn) {
 	case MOUSE_BTN1_DOWN:
+	    if (nTab > 1 && y < ny) {
+		if (press_y == y && press_x == x) {
+		    if (y == 0 && x >= COLS - 2) {
+			deleteTab(CurrentTab);
+			displayBuffer(Currentbuf, B_NORMAL);
+		    }
+		    t = posTab(x, y);
+		    if (t)
+			CurrentTab = t;
+		    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+		    return;
+		}
+		else if (press_y < ny) {
+		    moveTab(posTab(press_x, press_y), posTab(x, y),
+		    	    (press_y == y) ? (press_x < x) : (press_y < y));
+		    return;
+		}
+		else if (press_x >= Currentbuf->rootX) {
+		    Buffer *buf = Currentbuf;
+		    int cx = Currentbuf->cursorX, cy = Currentbuf->cursorY;
+
+		    t = posTab(x, y);
+		    if (t == NULL)
+			return;
+		    cursorXY(Currentbuf, press_x - Currentbuf->rootX,
+			     press_y - Currentbuf->rootY);
+		    if (Currentbuf->cursorY == press_y - Currentbuf->rootY &&
+			(Currentbuf->cursorX == press_x - Currentbuf->rootX
+#ifdef JP_CHARSET
+			 || (Currentbuf->currentLine != NULL &&
+			     (Currentbuf->currentLine->propBuf[Currentbuf->pos]
+			      & PC_KANJI1) && Currentbuf->cursorX == press_x
+			     - Currentbuf->rootX - 1)
+#endif
+			)) {
+			onA();
+			followTab(t);
+		    }
+		    if (buf == Currentbuf)
+			cursorXY(Currentbuf, cx, cy);
+		}
+		return;
+	    }
 	    if (press_x != x || press_y != y) {
 		delta_x = x - press_x;
 		delta_y = y - press_y;
@@ -4685,7 +4795,7 @@ process_mouse(int btn, int x, int y)
 		    }
 		    return;
 		}
-		if (y == Currentbuf->cursorY &&
+		if (y == Currentbuf->cursorY + Currentbuf->rootY &&
 		    (x == Currentbuf->cursorX + Currentbuf->rootX
 #ifdef JP_CHARSET
 		     || (Currentbuf->currentLine != NULL &&
@@ -4698,18 +4808,30 @@ process_mouse(int btn, int x, int y)
 		    return;
 		}
 		if (x >= Currentbuf->rootX)
-		    cursorXY(Currentbuf, x - Currentbuf->rootX, y);
+		    cursorXY(Currentbuf, x - Currentbuf->rootX,
+			     y - Currentbuf->rootY);
 		displayBuffer(Currentbuf, B_NORMAL);
 
 	    }
 	    break;
 	case MOUSE_BTN2_DOWN:
+	    if (nTab > 1 && y < ny) {
+		if (press_y == y && press_x == x) {
+		    t = posTab(x, y);
+		    if (t) {
+			deleteTab(t);
+			displayBuffer(Currentbuf, B_FORCE_REDRAW);
+		    }
+		}
+		return;
+	    }
 	    backBf();
 	    break;
 	case MOUSE_BTN3_DOWN:
 #ifdef USE_MENU
-	    if (x >= Currentbuf->rootX)
-		cursorXY(Currentbuf, x - Currentbuf->rootX, y);
+	    if (x >= Currentbuf->rootX && y > ny)
+		cursorXY(Currentbuf, x - Currentbuf->rootX,
+			 y - Currentbuf->rootY);
 	    onA();
 	    mainMenu(x, y);
 #endif				/* USE_MENU */
@@ -5023,10 +5145,13 @@ deleteFiles()
 {
     Buffer *buf;
     char *f;
-    while (Firstbuf && Firstbuf != NO_BUFFER) {
-	buf = Firstbuf->nextBuffer;
-	discardBuffer(Firstbuf);
-	Firstbuf = buf;
+
+    for (CurrentTab = FirstTab; CurrentTab; CurrentTab = CurrentTab->nextTab) {
+	while (Firstbuf && Firstbuf != NO_BUFFER) {
+	    buf = Firstbuf->nextBuffer;
+	    discardBuffer(Firstbuf);
+	    Firstbuf = buf;
+	}
     }
     while ((f = popText(fileToDelete)) != NULL)
 	unlink(f);
@@ -5257,3 +5382,316 @@ defKey(void)
     setKeymap(allocStr(data, -1), -1, TRUE);
     displayBuffer(Currentbuf, B_NORMAL);
 }
+
+TabBuffer *
+newTab(void)
+{
+    TabBuffer *n;
+
+    n = New(TabBuffer);
+    if (n == NULL)
+        return NULL;
+    n->nextTab = NULL;
+    n->currentBuffer = NULL;
+    n->firstBuffer = NULL;
+    return n;
+}
+
+static void
+_newT(void)
+{
+    TabBuffer *tag;
+    Buffer *buf;
+    int i;
+
+    tag = newTab();
+    if (! tag)
+	return;
+
+    buf = newBuffer(Currentbuf->width);
+    copyBuffer(buf, Currentbuf);
+    buf->nextBuffer = NULL;
+    for (i = 0; i < MAX_LB; i++)
+	buf->linkBuffer[i] = NULL;
+    (*buf->clone)++;
+    tag->firstBuffer = tag->currentBuffer = buf;
+
+    tag->nextTab = CurrentTab->nextTab;
+    tag->prevTab = CurrentTab;
+    if (CurrentTab->nextTab)
+	CurrentTab->nextTab->prevTab = tag;
+    else
+	LastTab = tag;
+    CurrentTab->nextTab = tag;
+    CurrentTab = tag;
+    nTab++;
+}
+
+void
+newT(void)
+{
+    _newT();
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+TabBuffer *
+numTab(int n)
+{
+    TabBuffer *tab;
+    int i;
+
+    if (n == 0)
+	return CurrentTab;
+    if (n == 1)
+	return FirstTab;
+    if (nTab <= 1)
+	return NULL;
+    for (tab = FirstTab, i = 1; tab && i < n; tab = tab->nextTab, i++)
+	;
+    return tab;
+}
+
+TabBuffer *
+deleteTab(TabBuffer *tab)
+{
+    Buffer *buf, *next;
+
+    if (nTab <= 1)
+	return FirstTab;
+    if (tab->prevTab) {
+	if (tab->nextTab)
+	    tab->nextTab->prevTab = tab->prevTab;
+	else
+	    LastTab = tab->prevTab;
+	tab->prevTab->nextTab = tab->nextTab;
+	if (tab == CurrentTab)
+	    CurrentTab = tab->prevTab;
+    }
+    else {	/* tab == FirstTab */
+	tab->nextTab->prevTab = NULL;
+	FirstTab = tab->nextTab;
+	if (tab == CurrentTab)
+	    CurrentTab = tab->nextTab;
+    }
+    nTab--;
+    buf = tab->firstBuffer;
+    while (buf && buf != NO_BUFFER) {
+	next = buf->nextBuffer;
+	discardBuffer(buf);
+	buf = next;
+    }
+    return FirstTab;
+}
+
+void
+closeT(void)
+{
+    TabBuffer *tab;
+
+    if (nTab <= 1)
+	return;
+    if (prec_num)
+	tab = numTab(PREC_NUM);
+    else
+	tab = CurrentTab;
+    if (tab)
+	deleteTab(tab);
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+void
+nextT(void)
+{
+    int i;
+
+    if (nTab <= 1)
+	return;
+    for (i = 0; i < PREC_NUM; i++) {
+	if (CurrentTab->nextTab)
+	    CurrentTab = CurrentTab->nextTab;
+	else
+	    CurrentTab = FirstTab;
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+void
+prevT(void)
+{
+    int i;
+
+    if (nTab <= 1)
+	return;
+    for (i = 0; i < PREC_NUM; i++) {
+	if (CurrentTab->prevTab)
+	    CurrentTab = CurrentTab->prevTab;
+	else
+	    CurrentTab = LastTab;
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+void
+followTab(TabBuffer *tab)
+{
+    Buffer *buf;
+    Anchor *a;
+ 
+#ifdef USE_IMAGE
+    a = retrieveCurrentImg(Currentbuf);
+    if (! (a && a->image && a->image->map))
+#endif
+	a = retrieveCurrentAnchor(Currentbuf);
+    if (a == NULL)
+	return;
+
+    if (tab == CurrentTab) {
+	check_target = FALSE;
+	followA();
+	check_target = TRUE;
+	return;
+    }
+    _newT();
+    buf = Currentbuf;
+    check_target = FALSE;
+    followA();
+    check_target = TRUE;
+    if (tab == NULL) {
+	if (buf != Currentbuf)
+	    delBuffer(buf);
+	else
+	    deleteTab(CurrentTab);
+    }
+    else if (buf != Currentbuf) {
+	/* buf <- p <- ... <- Currentbuf = c */
+	Buffer *c, *p;
+
+	c = Currentbuf;
+	p = prevBuffer(c, buf);
+	p->nextBuffer = NULL;
+	Firstbuf = buf;
+	deleteTab(CurrentTab);
+	CurrentTab = tab;
+	for (buf = p; buf; buf = p) {
+	    p = prevBuffer(c, buf);
+	    pushBuffer(buf);
+	}
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+void
+tabA(void)
+{
+    followTab(prec_num ? numTab(PREC_NUM) : NULL);
+}
+
+static void
+tabURL0(TabBuffer *tab, char *prompt, int relative)
+{
+    Buffer *buf;
+
+    if (tab == CurrentTab) {
+	goURL0(prompt, relative);
+	return;
+    }
+    _newT();
+    buf = Currentbuf;
+    goURL0(prompt, relative);
+    if (tab == NULL) {
+	if (buf != Currentbuf)
+	    delBuffer(buf);
+	else
+	    deleteTab(CurrentTab);
+    }
+    else if (buf != Currentbuf) {
+	/* buf <- p <- ... <- Currentbuf = c */
+	Buffer *c, *p;
+
+	c = Currentbuf;
+	p = prevBuffer(c, buf);
+	p->nextBuffer = NULL;
+	Firstbuf = buf;
+	deleteTab(CurrentTab);
+	CurrentTab = tab;
+	for (buf = p; buf; buf = p) {
+	    p = prevBuffer(c, buf);
+	    pushBuffer(buf);
+	}
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+void
+tabURL(void)
+{
+    tabURL0(prec_num ? numTab(PREC_NUM) : NULL,
+	    "Goto URL on new tab: ", FALSE);
+}
+
+void
+tabrURL(void)
+{
+    tabURL0(prec_num ? numTab(PREC_NUM) : NULL,
+	    "Goto relative URL on new tab: ", TRUE);
+}
+
+void
+moveTab(TabBuffer *t, TabBuffer *t2, int right)
+{
+    if (!t || !t2 || t == t2)
+	return;
+    if (t->prevTab) {
+	if (t->nextTab)
+	    t->nextTab->prevTab = t->prevTab;
+	else
+	    LastTab = t->prevTab;
+	t->prevTab->nextTab = t->nextTab;
+    }
+    else {
+	t->nextTab->prevTab = NULL;
+	FirstTab = t->nextTab;
+    }
+    if (right) {
+	t->nextTab = t2->nextTab;
+	t->prevTab = t2;
+	if (t2->nextTab)
+	    t2->nextTab->prevTab = t;
+	else
+	    LastTab = t;
+ 	t2->nextTab = t;
+    }
+    else {
+	t->prevTab = t2->prevTab;
+	t->nextTab = t2;
+	if (t2->prevTab)
+	    t2->prevTab->nextTab = t;
+	else
+	    FirstTab = t;
+ 	t2->prevTab = t;
+    }
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+}
+
+void
+tabR(void)
+{
+    TabBuffer *tab;
+    int i;
+
+    for (tab = CurrentTab, i = 0; tab && i < PREC_NUM; tab = tab->nextTab, i++)
+	;
+    moveTab(CurrentTab, tab ? tab : LastTab, TRUE);
+}
+
+void
+tabL(void)
+{
+    TabBuffer *tab;
+    int i;
+
+    for (tab = CurrentTab, i = 0; tab && i < PREC_NUM; tab = tab->prevTab, i++)
+	;
+    moveTab(CurrentTab, tab ? tab : FirstTab, FALSE);
+}
+
diff --git a/map.c b/map.c
index 4a5440d..7acceb6 100644
--- a/map.c
+++ b/map.c
@@ -1,4 +1,4 @@
-/* $Id: map.c,v 1.8 2002/03/15 18:48:55 ukai Exp $ */
+/* $Id: map.c,v 1.9 2002/11/05 17:10:07 ukai Exp $ */
 /*
  * client-side image maps
  */
@@ -59,7 +59,7 @@ inMapArea(MapArea * a, int x, int y)
 }
 #endif
 
-char *
+MapArea *
 follow_map_menu(Buffer *buf, struct parsed_tagarg *arg, Anchor *a_img, int x,
 		int y)
 {
@@ -122,7 +122,7 @@ follow_map_menu(Buffer *buf, struct parsed_tagarg *arg, Anchor *a_img, int x,
     if (selected >= 0) {
 	for (i = 0, al = ml->area->first; al != NULL; i++, al = al->next) {
 	    if (al->ptr && i == selected)
-		return ((MapArea *) al->ptr)->url;
+		return (MapArea *) al->ptr;
 	}
     }
     return NULL;
@@ -193,7 +193,7 @@ getMapXY(Buffer *buf, Anchor *a, int *x, int *y)
 #endif
 
 MapArea *
-newMapArea(char *url, char *alt, char *shape, char *coords)
+newMapArea(char *url, char *target, char *alt, char *shape, char *coords)
 {
     MapArea *a = New(MapArea);
 #ifdef MENU_MAP
@@ -204,6 +204,7 @@ newMapArea(char *url, char *alt, char *shape, char *coords)
 #endif
 
     a->url = url;
+    a->target = target;
     a->alt = alt ? alt : "";
 #ifdef MENU_MAP
 #ifdef USE_IMAGE
diff --git a/menu.c b/menu.c
index c8ea107..b3c3a97 100644
--- a/menu.c
+++ b/menu.c
@@ -1,4 +1,4 @@
-/* $Id: menu.c,v 1.15 2002/03/19 16:06:52 ukai Exp $ */
+/* $Id: menu.c,v 1.16 2002/11/05 17:10:07 ukai Exp $ */
 /* 
  * w3m menu.c
  */
@@ -276,6 +276,16 @@ static int smDelBuf(char c);
 
 /* --- SelectMenu (END) --- */
 
+/* --- SelTabMenu --- */
+
+static Menu SelTabMenu;
+static int SelTabV = 0;
+static void initSelTabMenu(void);
+static void smChTab(void);
+static int smDelTab(char c);
+
+/* --- SelTabMenu (END) --- */
+
 /* --- MainMenu --- */
 
 static Menu MainMenu;
@@ -284,12 +294,14 @@ static MenuItem MainMenuItem[] = {
     /* type        label         variabel value func     popup keys data  */
     {MENU_FUNC, "戻る         (b)", NULL, 0, backBf, NULL, "b", NULL},
     {MENU_POPUP, "バッファ選択 (s)", NULL, 0, NULL, &SelectMenu, "s", NULL},
+    {MENU_POPUP, "タブ選択     (t)", NULL, 0, NULL, &SelTabMenu, "tT", NULL},
     {MENU_FUNC, "ソースを表示 (v)", NULL, 0, vwSrc, NULL, "vV", NULL},
     {MENU_FUNC, "ソースを編集 (e)", NULL, 0, editBf, NULL, "eE", NULL},
     {MENU_FUNC, "ソースを保存 (S)", NULL, 0, svSrc, NULL, "S", NULL},
     {MENU_FUNC, "再読み込み   (r)", NULL, 0, reload, NULL, "rR", NULL},
     {MENU_NOP, "────────", NULL, 0, nulcmd, NULL, "", NULL},
     {MENU_FUNC, "リンクを表示 (a)", NULL, 0, followA, NULL, "a", NULL},
+    {MENU_FUNC, "新タブで表示 (n)", NULL, 0, tabA, NULL, "nN", NULL},
     {MENU_FUNC, "リンクを保存 (A)", NULL, 0, svA, NULL, "A", NULL},
     {MENU_FUNC, "画像を表示   (i)", NULL, 0, followI, NULL, "i", NULL},
     {MENU_FUNC, "画像を保存   (I)", NULL, 0, svI, NULL, "I", NULL},
@@ -307,12 +319,14 @@ static MenuItem MainMenuItem[] = {
     /* type        label           variable value func     popup keys data  */
     {MENU_FUNC, " Back         (b) ", NULL, 0, backBf, NULL, "b", NULL},
     {MENU_POPUP, " Select Buffer(s) ", NULL, 0, NULL, &SelectMenu, "s", NULL},
+    {MENU_POPUP, " Select Tab   (t) ", NULL, 0, NULL, &SelTabMenu, "tT", NULL},
     {MENU_FUNC, " View Source  (v) ", NULL, 0, vwSrc, NULL, "vV", NULL},
     {MENU_FUNC, " Edit Source  (e) ", NULL, 0, editBf, NULL, "eE", NULL},
     {MENU_FUNC, " Save Source  (S) ", NULL, 0, svSrc, NULL, "S", NULL},
     {MENU_FUNC, " Reload       (r) ", NULL, 0, reload, NULL, "rR", NULL},
     {MENU_NOP, " ---------------- ", NULL, 0, nulcmd, NULL, "", NULL},
     {MENU_FUNC, " Go Link      (a) ", NULL, 0, followA, NULL, "a", NULL},
+    {MENU_FUNC, "   on New Tab (n) ", NULL, 0, tabA, NULL, "nN", NULL},
     {MENU_FUNC, " Save Link    (A) ", NULL, 0, svA, NULL, "A", NULL},
     {MENU_FUNC, " View Image   (i) ", NULL, 0, followI, NULL, "i", NULL},
     {MENU_FUNC, " Save Image   (I) ", NULL, 0, svI, NULL, "I", NULL},
@@ -1209,9 +1223,10 @@ void
 popupMenu(int x, int y, Menu *menu)
 {
     initSelectMenu();
+    initSelTabMenu();
 
     menu->cursorX = Currentbuf->cursorX + Currentbuf->rootX;
-    menu->cursorY = Currentbuf->cursorY;
+    menu->cursorY = Currentbuf->cursorY + Currentbuf->rootY;
     menu->x = x + FRAME_WIDTH + 1;
     menu->y = y + 2;
 
@@ -1238,8 +1253,8 @@ mainMn(void)
 	    return;
 	menu = w3mMenuList[n].menu;
     }
-    popupMenu(Currentbuf->cursorX + Currentbuf->rootX, Currentbuf->cursorY,
-	      menu);
+    popupMenu(Currentbuf->cursorX + Currentbuf->rootX,
+	      Currentbuf->cursorY + Currentbuf->rootY, menu);
 }
 
 /* --- MainMenu (END) --- */
@@ -1249,7 +1264,8 @@ mainMn(void)
 void
 selMn(void)
 {
-    popupMenu(Currentbuf->cursorX, Currentbuf->cursorY, &SelectMenu);
+    popupMenu(Currentbuf->cursorX + Currentbuf->rootX,
+	      Currentbuf->cursorY + Currentbuf->rootY, &SelectMenu);
 }
 
 static void
@@ -1312,7 +1328,7 @@ initSelectMenu(void)
     new_option_menu(&SelectMenu, label, &SelectV, smChBuf);
     SelectMenu.initial = SelectV;
     SelectMenu.cursorX = Currentbuf->cursorX + Currentbuf->rootX;
-    SelectMenu.cursorY = Currentbuf->cursorY;
+    SelectMenu.cursorY = Currentbuf->cursorY + Currentbuf->rootY;
     SelectMenu.keymap['D'] = smDelBuf;
     SelectMenu.item[nitem].type = MENU_NOP;
 }
@@ -1380,6 +1396,140 @@ smDelBuf(char c)
 
 /* --- SelectMenu (END) --- */
 
+/* --- SelTabMenu --- */
+
+void
+tabMn(void)
+{
+    popupMenu(Currentbuf->cursorX + Currentbuf->rootX,
+	      Currentbuf->cursorY + Currentbuf->rootY, &SelTabMenu);
+}
+
+static void
+initSelTabMenu(void)
+{
+    int i, nitem, len = 0, l;
+    TabBuffer *tab;
+    Buffer *buf;
+    Str str;
+    char **label;
+    static char *comment = " SPC for select / D for delete tab ";
+
+    SelTabV = -1;
+    for (i = 0, tab = LastTab; tab != NULL; i++, tab = tab->prevTab) {
+	if (tab == CurrentTab)
+	    SelTabV = i;
+    }
+    nitem = i;
+
+    label = New_N(char *, nitem + 2);
+    for (i = 0, tab = LastTab; i < nitem; i++, tab = tab->prevTab) {
+	buf = tab->currentBuffer;
+	str = Sprintf("<%s>", buf->buffername);
+	if (buf->filename != NULL) {
+	    switch (buf->currentURL.scheme) {
+	    case SCM_LOCAL:
+	    case SCM_LOCAL_CGI:
+		if (strcmp(buf->currentURL.file, "-")) {
+		    Strcat_char(str, ' ');
+		    Strcat_charp(str,
+				 conv_from_system(buf->currentURL.real_file));
+		}
+		break;
+		/* case SCM_UNKNOWN: */
+	    case SCM_MISSING:
+		break;
+	    default:
+		Strcat_char(str, ' ');
+		Strcat(str, parsedURL2Str(&buf->currentURL));
+		break;
+	    }
+	}
+	label[i] = str->ptr;
+	if (len < str->length)
+	    len = str->length;
+    }
+    l = strlen(comment);
+    if (len < l + 4)
+	len = l + 4;
+    if (len > COLS - 2 * FRAME_WIDTH)
+	len = COLS - 2 * FRAME_WIDTH;
+    len = (len > 1) ? ((len - l + 1) / 2) : 0;
+    str = Strnew();
+    for (i = 0; i < len; i++)
+	Strcat_char(str, '-');
+    Strcat_charp(str, comment);
+    for (i = 0; i < len; i++)
+	Strcat_char(str, '-');
+    label[nitem] = str->ptr;
+    label[nitem + 1] = NULL;
+
+    new_option_menu(&SelTabMenu, label, &SelTabV, smChTab);
+    SelTabMenu.initial = SelTabV;
+    SelTabMenu.cursorX = Currentbuf->cursorX + Currentbuf->rootX;
+    SelTabMenu.cursorY = Currentbuf->cursorY + Currentbuf->rootY;
+    SelTabMenu.keymap['D'] = smDelTab;
+    SelTabMenu.item[nitem].type = MENU_NOP;
+}
+
+static void
+smChTab(void)
+{
+    int i;
+    TabBuffer *tab;
+    Buffer *buf;
+
+    if (SelTabV < 0 || SelTabV >= SelTabMenu.nitem)
+	return;
+    for (i = 0, tab = LastTab; i < SelTabV && tab != NULL;
+	 i++, tab = tab->prevTab) ;
+    CurrentTab = tab;
+    for (tab = LastTab; tab != NULL; tab = tab->prevTab) {
+	if (tab == CurrentTab)
+	    continue;
+	buf = tab->currentBuffer;
+#ifdef USE_IMAGE
+	deleteImage(buf);
+#endif
+	if (clear_buffer)
+	    tmpClearBuffer(buf);
+    }
+}
+
+static int
+smDelTab(char c)
+{
+    int i, x, y, mselect;
+    TabBuffer *tab;
+
+    if (CurrentMenu->select < 0 || CurrentMenu->select >= SelTabMenu.nitem)
+	return (MENU_NOTHING);
+    for (i = 0, tab = LastTab; i < CurrentMenu->select && tab != NULL;
+	 i++, tab = tab->prevTab) ;
+    deleteTab(tab);
+
+    x = CurrentMenu->x;
+    y = CurrentMenu->y;
+    mselect = CurrentMenu->select;
+
+    initSelTabMenu();
+
+    CurrentMenu->x = x;
+    CurrentMenu->y = y;
+
+    geom_menu(CurrentMenu, x, y, 0);
+
+    CurrentMenu->select = (mselect <= CurrentMenu->nitem - 2) ? mselect
+	: (CurrentMenu->nitem - 2);
+
+    displayBuffer(Currentbuf, B_FORCE_REDRAW);
+    draw_all_menu(CurrentMenu);
+    select_menu(CurrentMenu, CurrentMenu->select);
+    return (MENU_NOTHING);
+}
+
+/* --- SelectMenu (END) --- */
+
 /* --- OptionMenu --- */
 
 void
diff --git a/proto.h b/proto.h
index 53615d0..aeb3e61 100644
--- a/proto.h
+++ b/proto.h
@@ -1,4 +1,4 @@
-/* $Id: proto.h,v 1.50 2002/11/05 16:03:14 ukai Exp $ */
+/* $Id: proto.h,v 1.51 2002/11/05 17:10:07 ukai Exp $ */
 /* 
  *   This file was automatically generated by version 1.7 of cextract.
  *   Manual editing not recommended.
@@ -119,6 +119,16 @@ extern void setAlarmEvent(int sec, short status, int cmd, void *data);
 #endif
 extern void reinit(void);
 extern void defKey(void);
+extern void newT(void);
+extern void closeT(void);
+extern void nextT(void);
+extern void prevT(void);
+extern void tabA(void);
+extern void tabURL(void);
+extern void tabrURL(void);
+extern void tabR(void);
+extern void tabL(void);
+
 extern int currentLn(Buffer *buf);
 extern void tmpClearBuffer(Buffer *buf);
 extern char *filename_extension(char *patch, int is_url);
@@ -209,6 +219,8 @@ extern char *inputAnswer(char *prompt);
 extern int matchattr(char *p, char *attr, int len, Str *value);
 extern void readHeader(URLFile *uf, Buffer *newBuf, int thru, ParsedURL *pu);
 extern char *checkHeader(Buffer *buf, char *field);
+extern TabBuffer *newTab(void);
+extern TabBuffer *deleteTab(TabBuffer *tab);
 extern Buffer *newBuffer(int width);
 extern Buffer *nullBuffer(void);
 extern void clearBuffer(Buffer *buf);
@@ -340,15 +352,16 @@ extern void form_write_from_file(FILE * f, char *boundary, char *name,
 				 char *filename, char *file);
 extern void follow_map(struct parsed_tagarg *arg);
 #ifdef MENU_MAP
-extern char *follow_map_menu(Buffer *buf, struct parsed_tagarg *arg,
-			     Anchor *a_img, int x, int y);
+extern MapArea *follow_map_menu(Buffer *buf, struct parsed_tagarg *arg,
+				Anchor *a_img, int x, int y);
 #else
 extern Buffer *follow_map_panel(Buffer *buf, struct parsed_tagarg *arg);
 #endif
 #ifdef USE_IMAGE
 extern int getMapXY(Buffer *buf, Anchor *a, int *x, int *y);
 #endif
-extern MapArea *newMapArea(char *url, char *alt, char *shape, char *coords);
+extern MapArea *newMapArea(char *url, char *target, char *alt, char *shape,
+			   char *coords);
 extern Buffer *page_info_panel(Buffer *buf);
 extern struct frame_body *newFrame(struct parsed_tag *tag, Buffer *buf);
 extern struct frameset *newFrameSet(struct parsed_tag *tag);
@@ -624,6 +637,7 @@ extern void popupMenu(int x, int y, Menu *menu);
 extern void mainMenu(int x, int y);
 extern void mainMn(void);
 extern void selMn(void);
+extern void tabMn(void);
 extern void optionMenu(int x, int y, char **label, int *variable, int initial,
 		       void (*func) ());
 extern void initMenu(void);
diff --git a/rc.c b/rc.c
index 4cea82e..1ec9383 100644
--- a/rc.c
+++ b/rc.c
@@ -1,4 +1,4 @@
-/* $Id: rc.c,v 1.55 2002/11/05 15:56:14 ukai Exp $ */
+/* $Id: rc.c,v 1.56 2002/11/05 17:10:07 ukai Exp $ */
 /* 
  * Initialization file etc.
  */
@@ -65,6 +65,7 @@ static char *config_file = NULL;
 #define CMT_FRAME        "フレームの自動表示"
 #define CMT_ARGV_IS_URL  "scheme のない引数も URL とみなす"
 #define CMT_TSELF        "targetが未指定の場合に_selfを使用する"
+#define CMT_OPEN_TAB_BLANK "targetが_blankか_newの場合は新しいタブで開く"
 #define CMT_DISPLINK     "リンク先の自動表示"
 #define CMT_DISPLINEINFO "現在の行番号の表示"
 #define CMT_DISP_IMAGE   "インライン画像を表示"
@@ -102,6 +103,7 @@ static char *config_file = NULL;
 #define CMT_PDROOT       "/~user で表されるディレクトリ"
 #define CMT_CGIBIN       "/cgi-bin で表されるディレクトリ"
 #define CMT_CONFIRM_QQ   "q での終了時に確認する"
+#define CMT_CLOSE_TAB_BACK "戻る時にバッファが最後ならタブを閉じる"
 #ifdef USE_MARK
 #define CMT_USE_MARK	"マーク機能を有効にする"
 #endif
@@ -207,6 +209,7 @@ static char *config_file = NULL;
 #define CMT_FRAME        "Render frames automatically"
 #define CMT_ARGV_IS_URL  "Treat argument without scheme as URL"
 #define CMT_TSELF        "Use _self as default target"
+#define CMT_OPEN_TAB_BLANK "Open link on new tab if target is _blank or _new"
 #define CMT_DISPLINK     "Display link URL automatically"
 #define CMT_DISPLINEINFO "Display current line number"
 #define CMT_DISP_IMAGE   "Display inline images"
@@ -244,6 +247,7 @@ static char *config_file = NULL;
 #define CMT_PDROOT       "Directory corresponding to /~user"
 #define CMT_CGIBIN       "Directory corresponding to /cgi-bin"
 #define CMT_CONFIRM_QQ   "Confirm when quitting with q"
+#define CMT_CLOSE_TAB_BACK "Close tab if buffer is last when back"
 #ifdef USE_MARK
 #define CMT_USE_MARK	"Enable mark operations"
 #endif
@@ -463,6 +467,8 @@ struct param_ptr params1[] = {
 #endif				/* JP_CHARSET */
     {"frame", P_CHARINT, PI_ONOFF, (void *)&RenderFrame, CMT_FRAME, NULL},
     {"target_self", P_CHARINT, PI_ONOFF, (void *)&TargetSelf, CMT_TSELF, NULL},
+    {"open_tab_blank", P_INT, PI_ONOFF, (void *)&open_tab_blank,
+     CMT_OPEN_TAB_BLANK, NULL},
     {"display_link", P_INT, PI_ONOFF, (void *)&displayLink, CMT_DISPLINK,
      NULL},
     {"display_lineinfo", P_INT, PI_ONOFF, (void *)&displayLineInfo,
@@ -551,6 +557,8 @@ struct param_ptr params3[] = {
 #endif				/* USE_HISTORY */
     {"confirm_qq", P_INT, PI_ONOFF, (void *)&confirm_on_quit, CMT_CONFIRM_QQ,
      NULL},
+    {"close_tab_back", P_INT, PI_ONOFF, (void *)&close_tab_back,
+     CMT_CLOSE_TAB_BACK, NULL},
 #ifdef USE_MARK
     {"mark", P_INT, PI_ONOFF, (void *)&use_mark, CMT_USE_MARK, NULL},
 #endif