[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>

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;