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+/****************************************************************************
+ * NCSA Mosaic for the X Window System                                      *
+ * Software Development Group                                               *
+ * National Center for Supercomputing Applications                          *
+ * University of Illinois at Urbana-Champaign                               *
+ * 605 E. Springfield, Champaign IL 61820                                   *
+ * mosaic@ncsa.uiuc.edu                                                     *
+ *                                                                          *
+ * Copyright (C) 1993, Board of Trustees of the University of Illinois      *
+ *                                                                          *
+ * NCSA Mosaic software, both binary and source (hereafter, Software) is    *
+ * copyrighted by The Board of Trustees of the University of Illinois       *
+ * (UI), and ownership remains with the UI.                                 *
+ *                                                                          *
+ * The UI grants you (hereafter, Licensee) a license to use the Software    *
+ * for academic, research and internal business purposes only, without a    *
+ * fee.  Licensee may distribute the binary and source code (if released)   *
+ * to third parties provided that the copyright notice and this statement   *
+ * appears on all copies and that no charge is associated with such         *
+ * copies.                                                                  *
+ *                                                                          *
+ * Licensee may make derivative works.  However, if Licensee distributes    *
+ * any derivative work based on or derived from the Software, then          *
+ * Licensee will (1) notify NCSA regarding its distribution of the          *
+ * derivative work, and (2) clearly notify users that such derivative       *
+ * work is a modified version and not the original NCSA Mosaic              *
+ * distributed by the UI.                                                   *
+ *                                                                          *
+ * Any Licensee wishing to make commercial use of the Software should       *
+ * contact the UI, c/o NCSA, to negotiate an appropriate license for such   *
+ * commercial use.  Commercial use includes (1) integration of all or       *
+ * part of the source code into a product for sale or license by or on      *
+ * behalf of Licensee to third parties, or (2) distribution of the binary   *
+ * code or source code to third parties that need it to utilize a           *
+ * commercial product sold or licensed by or on behalf of Licensee.         *
+ *                                                                          *
+ * UI MAKES NO REPRESENTATIONS ABOUT THE SUITABILITY OF THIS SOFTWARE FOR   *
+ * ANY PURPOSE.  IT IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED          *
+ * WARRANTY.  THE UI SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY THE    *
+ * USERS OF THIS SOFTWARE.                                                  *
+ *                                                                          *
+ * By using or copying this Software, Licensee agrees to abide by the       *
+ * copyright law and all other applicable laws of the U.S. including, but   *
+ * not limited to, export control laws, and the terms of this license.      *
+ * UI shall have the right to terminate this license immediately by         *
+ * written notice upon Licensee's breach of, or non-compliance with, any    *
+ * of its terms.  Licensee may be held legally responsible for any          *
+ * copyright infringement that is caused or encouraged by Licensee's        *
+ * failure to abide by the terms of this license.                           *
+ *                                                                          *
+ * Comments and questions are welcome and can be sent to                    *
+ * mosaic-x@ncsa.uiuc.edu.                                                  *
+ ****************************************************************************/
+
+#ifndef HTML_H
+#define HTML_H
+
+#ifdef MOTIF
+#include <Xm/Xm.h>
+#if (XmVERSION == 1)&&(XmREVISION >= 2)
+#define MOTIF1_2
+#endif
+#else
+#include <X11/Intrinsic.h>
+#include <X11/Constraint.h>
+#endif /* MOTIF */
+#include <X11/StringDefs.h>
+
+
+
+typedef int (*visitTestProc)();
+typedef void (*pointerTrackProc)();
+
+typedef struct ele_ref_rec {
+	int id, pos;
+} ElementRef;
+
+typedef struct link_rec {
+	char *href;
+	char *role;
+} LinkInfo;
+
+/*
+ * Public functions
+ */
+#ifdef _NO_PROTO
+extern char *HTMLGetText ();
+extern char *HTMLGetTextAndSelection ();
+extern char **HTMLGetHRefs ();
+extern char **HTMLGetImageSrcs ();
+extern void *HTMLGetWidgetInfo ();
+extern void HTMLFreeWidgetInfo ();
+extern void HTMLFreeImageInfo ();
+extern LinkInfo *HTMLGetLinks ();
+extern int HTMLPositionToId ();
+extern int HTMLIdToPosition ();
+extern int HTMLAnchorToPosition ();
+extern int HTMLAnchorToId ();
+extern void HTMLGotoId ();
+extern void HTMLRetestAnchors ();
+extern void HTMLClearSelection ();
+extern void HTMLSetSelection ();
+extern void HTMLSetText ();
+extern int HTMLSearchText ();
+#else
+extern char *HTMLGetText (Widget w, int pretty);
+extern char *HTMLGetTextAndSelection (Widget w, char **startp, char **endp,
+					char **insertp);
+extern char **HTMLGetHRefs (Widget w, int *num_hrefs);
+extern char **HTMLGetImageSrcs (Widget w, int *num_srcs);
+extern void *HTMLGetWidgetInfo (Widget w);
+extern void HTMLFreeWidgetInfo (void *ptr);
+extern void HTMLFreeImageInfo (Widget w);
+extern LinkInfo *HTMLGetLinks (Widget w, int *num_links);
+extern int HTMLPositionToId(Widget w, int x, int y);
+extern int HTMLIdToPosition(Widget w, int element_id, int *x, int *y);
+extern int HTMLAnchorToPosition(Widget w, char *name, int *x, int *y);
+extern int HTMLAnchorToId(Widget w, char *name);
+extern void HTMLGotoId(Widget w, int element_id);
+extern void HTMLRetestAnchors(Widget w, visitTestProc testFunc,
+    XtPointer client_data);
+extern void HTMLClearSelection (Widget w);
+extern void HTMLSetSelection (Widget w, ElementRef *start, ElementRef *end);
+extern void HTMLSetText (Widget w, char *text, char *header_text,
+			char *footer_text, int element_id,
+			char *target_anchor, void *ptr);
+extern int HTMLSearchText (Widget w, char *pattern,
+	ElementRef *m_start, ElementRef *m_end, int backward, int caseless);
+#endif /* _NO_PROTO */
+
+
+/*
+ * Public Structures
+ */
+typedef struct acall_rec {
+	XEvent *event;
+	int element_id;
+	char *text;
+	char *href;
+} WbAnchorCallbackData;
+
+
+typedef struct fcall_rec {
+	XEvent *event;
+	char *href;
+        char *method;
+        char *enctype;
+        char *enc_entity;
+	int attribute_count;
+	char **attribute_names;
+	char **attribute_values;
+} WbFormCallbackData;
+
+
+typedef struct form_rec {
+	Widget hw;
+	char *action;
+        char *method;
+        char *enctype;
+        char *enc_entity;
+	int start, end;
+	struct form_rec *next;
+} FormInfo;
+
+
+typedef struct image_rec {
+	int ismap;
+	FormInfo *fptr;
+	int internal;
+	int delayed;
+	int fetched;
+	int width, height;
+	int num_colors;
+	int *reds;
+	int *greens;
+	int *blues;
+	unsigned char *image_data;
+	Pixmap image;
+	char *text;
+} ImageInfo;
+
+
+typedef struct wid_rec {
+	Widget w;
+	int type;
+	int id;
+	int x, y;
+	int width, height;
+	char *name;
+	char *value;
+	char *password;
+	char **mapping;
+	Boolean checked;
+	Boolean mapped;
+	struct wid_rec *next;
+} WidgetInfo;
+
+typedef struct sel_rec {
+	Widget hw;
+	struct mark_up *mptr;
+	int is_value;
+	char *retval_buf;
+	char *option_buf;
+	char **returns;
+	char **options;
+	int option_cnt;
+	char **value;
+	int value_cnt;
+} SelectInfo;
+
+
+typedef ImageInfo *(*resolveImageProc)();
+
+
+/*
+ * defines and structures used for the formatted element list
+ */
+
+#define E_TEXT		1
+#define E_BULLET	2
+#define E_LINEFEED	3
+#define E_IMAGE		4
+#define E_WIDGET	5
+#define E_HRULE		6
+
+struct ele_rec {
+	int type;
+	ImageInfo *pic_data;
+	WidgetInfo *widget_data;
+	XFontStruct *font;
+	int alignment;
+	Boolean internal;
+	Boolean selected;
+	int indent_level;
+	int start_pos, end_pos;
+	int x, y;
+	int y_offset;
+	int width;
+	int line_number;
+	int line_height;
+	int ele_id;
+	int underline_number;
+	Boolean dashed_underline;
+	Boolean strikeout;
+	unsigned long fg;
+	unsigned long bg;
+	char *anchorName;
+	char *anchorHRef;
+	char *edata;
+	int edata_len;
+	struct ele_rec *next;
+	struct ele_rec *prev;
+};
+
+struct ref_rec {
+	char *anchorHRef;
+	struct ref_rec *next;
+};
+
+struct delay_rec {
+	char *src;
+	struct delay_rec *next;
+};
+
+
+/*
+ * defines and structures used for the HTML parser, and the
+ * parsed object list.
+ */
+
+/* Mark types */
+#define	M_UNKNOWN	-1
+#define	M_NONE		0
+#define	M_TITLE		1
+#define	M_HEADER_1	2
+#define	M_HEADER_2	3
+#define	M_HEADER_3	4
+#define	M_HEADER_4	5
+#define	M_HEADER_5	6
+#define	M_HEADER_6	7
+#define	M_ANCHOR	8
+#define	M_PARAGRAPH	9
+#define	M_ADDRESS	10
+#define	M_PLAIN_TEXT	11
+#define	M_UNUM_LIST	12
+#define	M_NUM_LIST	13
+#define	M_LIST_ITEM	14
+#define	M_DESC_LIST	15
+#define	M_DESC_TITLE	16
+#define	M_DESC_TEXT	17
+#define	M_PREFORMAT	18
+#define	M_PLAIN_FILE	19
+#define M_LISTING_TEXT	20
+#define M_INDEX		21
+#define M_MENU		22
+#define M_DIRECTORY	23
+#define M_IMAGE		24
+#define M_FIXED		25
+#define M_BOLD		26
+#define M_ITALIC	27
+#define M_EMPHASIZED	28
+#define M_STRONG	29
+#define M_CODE		30
+#define M_SAMPLE	31
+#define M_KEYBOARD	32
+#define M_VARIABLE	33
+#define M_CITATION	34
+#define M_BLOCKQUOTE	35
+#define M_STRIKEOUT	36
+#define M_INPUT		37
+#define M_FORM		38
+#define M_HRULE		39
+#define M_LINEBREAK	40
+#define M_BASE		41
+#define M_SELECT	42
+#define M_OPTION	43
+#define M_TEXTAREA	44
+
+/* syntax of Mark types */
+#define	MT_TITLE	"title"
+#define	MT_HEADER_1	"h1"
+#define	MT_HEADER_2	"h2"
+#define	MT_HEADER_3	"h3"
+#define	MT_HEADER_4	"h4"
+#define	MT_HEADER_5	"h5"
+#define	MT_HEADER_6	"h6"
+#define	MT_ANCHOR	"a"
+#define	MT_PARAGRAPH	"p"
+#define	MT_ADDRESS	"address"
+#define	MT_PLAIN_TEXT	"xmp"
+#define	MT_UNUM_LIST	"ul"
+#define	MT_NUM_LIST	"ol"
+#define	MT_LIST_ITEM	"li"
+#define	MT_DESC_LIST	"dl"
+#define	MT_DESC_TITLE	"dt"
+#define	MT_DESC_TEXT	"dd"
+#define	MT_PREFORMAT	"pre"
+#define	MT_PLAIN_FILE	"plaintext"
+#define MT_LISTING_TEXT	"listing"
+#define MT_INDEX	"isindex"
+#define MT_MENU		"menu"
+#define MT_DIRECTORY	"dir"
+#define MT_IMAGE	"img"
+#define MT_FIXED	"tt"
+#define MT_BOLD		"b"
+#define MT_ITALIC	"i"
+#define MT_EMPHASIZED	"em"
+#define MT_STRONG	"strong"
+#define MT_CODE		"code"
+#define MT_SAMPLE	"samp"
+#define MT_KEYBOARD	"kbd"
+#define MT_VARIABLE	"var"
+#define MT_CITATION	"cite"
+#define MT_BLOCKQUOTE	"blockquote"
+#define MT_STRIKEOUT	"strike"
+#define MT_INPUT	"input"
+#define MT_FORM		"form"
+#define MT_HRULE	"hr"
+#define MT_LINEBREAK	"br"
+#define MT_BASE		"base"
+#define MT_SELECT	"select"
+#define MT_OPTION	"option"
+#define MT_TEXTAREA	"textarea"
+
+
+/* anchor tags */
+#define	AT_NAME		"name"
+#define	AT_HREF		"href"
+
+
+struct mark_up {
+	int type;
+	int is_end;
+	char *start;
+	char *text;
+	char *end;
+	struct mark_up *next;
+};
+
+
+/*
+ * New resource names
+ */
+#define	WbNmarginWidth		"marginWidth"
+#define	WbNmarginHeight		"marginHeight"
+#define	WbNtext			"text"
+#define	WbNheaderText		"headerText"
+#define	WbNfooterText		"footerText"
+#define	WbNtitleText		"titleText"
+#define	WbNanchorUnderlines	"anchorUnderlines"
+#define	WbNvisitedAnchorUnderlines	"visitedAnchorUnderlines"
+#define	WbNdashedAnchorUnderlines	"dashedAnchorUnderlines"
+#define	WbNdashedVisitedAnchorUnderlines	"dashedVisitedAnchorUnderlines"
+#define	WbNanchorColor		"anchorColor"
+#define	WbNvisitedAnchorColor	"visitedAnchorColor"
+#define	WbNactiveAnchorFG	"activeAnchorFG"
+#define	WbNactiveAnchorBG	"activeAnchorBG"
+#define	WbNfancySelections	"fancySelections"
+#define	WbNimageBorders		"imageBorders"
+#define	WbNdelayImageLoads	"delayImageLoads"
+#define	WbNisIndex		"isIndex"
+#define	WbNitalicFont		"italicFont"
+#define	WbNboldFont		"boldFont"
+#define	WbNfixedFont		"fixedFont"
+#define	WbNfixedboldFont	"fixedboldFont"
+#define	WbNfixeditalicFont	"fixeditalicFont"
+#define	WbNheader1Font		"header1Font"
+#define	WbNheader2Font		"header2Font"
+#define	WbNheader3Font		"header3Font"
+#define	WbNheader4Font		"header4Font"
+#define	WbNheader5Font		"header5Font"
+#define	WbNheader6Font		"header6Font"
+#define	WbNaddressFont		"addressFont"
+#define	WbNplainFont		"plainFont"
+#define	WbNplainboldFont	"plainboldFont"
+#define	WbNplainitalicFont	"plainitalicFont"
+#define	WbNlistingFont		"listingFont"
+#define	WbNanchorCallback	"anchorCallback"
+#define	WbNlinkCallback		"linkCallback"
+#define	WbNsubmitFormCallback	"submitFormCallback"
+#define	WbNpreviouslyVisitedTestFunction "previouslyVisitedTestFunction"
+#define	WbNpreviouslyVisitedTestData "previouslyVisitedTestData"
+#define	WbNresolveImageFunction "resolveImageFunction"
+#define	WbNresolveDelayedImage "resolveDelayedImage"
+#define	WbNpercentVerticalSpace "percentVerticalSpace"
+#define WbNpointerMotionCallback "pointerMotionCallback"
+#define WbNpointerMotionData	"pointerMotionData"
+#define WbNverticalScrollOnRight "verticalScrollOnRight"
+#define WbNhorizontalScrollOnTop "horizontalScrollOnTop"
+#define WbNview			 "view"
+#define WbNverticalScrollBar	 "verticalScrollBar"
+#define WbNhorizontalScrollBar	 "horizontalScrollBar"
+
+/*
+ * New resource classes
+ */
+#define	WbCMarginWidth		"MarginWidth"
+#define	WbCMarginHeight		"MarginHeight"
+#define	WbCText			"Text"
+#define	WbCHeaderText		"HeaderText"
+#define	WbCFooterText		"FooterText"
+#define	WbCTitleText		"TitleText"
+#define	WbCAnchorUnderlines	"AnchorUnderlines"
+#define	WbCVisitedAnchorUnderlines	"VisitedAnchorUnderlines"
+#define	WbCDashedAnchorUnderlines	"DashedAnchorUnderlines"
+#define	WbCDashedVisitedAnchorUnderlines	"DashedVisitedAnchorUnderlines"
+#define	WbCAnchorColor		"AnchorColor"
+#define	WbCVisitedAnchorColor	"VisitedAnchorColor"
+#define	WbCActiveAnchorFG	"ActiveAnchorFG"
+#define	WbCActiveAnchorBG	"ActiveAnchorBG"
+#define	WbCFancySelections	"FancySelections"
+#define	WbCImageBorders		"ImageBorders"
+#define	WbCDelayImageLoads	"DelayImageLoads"
+#define	WbCIsIndex		"IsIndex"
+#define	WbCItalicFont		"ItalicFont"
+#define	WbCBoldFont		"BoldFont"
+#define	WbCFixedFont		"FixedFont"
+#define	WbCFixedboldFont	"FixedboldFont"
+#define	WbCFixeditalicFont	"FixeditalicFont"
+#define	WbCHeader1Font		"Header1Font"
+#define	WbCHeader2Font		"Header2Font"
+#define	WbCHeader3Font		"Header3Font"
+#define	WbCHeader4Font		"Header4Font"
+#define	WbCHeader5Font		"Header5Font"
+#define	WbCHeader6Font		"Header6Font"
+#define	WbCAddressFont		"AddressFont"
+#define	WbCPlainFont		"PlainFont"
+#define	WbCPlainboldFont	"PlainboldFont"
+#define	WbCPlainitalicFont	"PlainitalicFont"
+#define	WbCListingFont		"ListingFont"
+#define	WbCPreviouslyVisitedTestFunction "PreviouslyVisitedTestFunction"
+#define	WbCPreviouslyVisitedTestData "PreviouslyVisitedTestData"
+#define	WbCResolveImageFunction "ResolveImageFunction"
+#define	WbCResolveDelayedImage "ResolveDelayedImage"
+#define	WbCPercentVerticalSpace "PercentVerticalSpace"
+#define WbCPointerMotionCallback "PointerMotionCallback"
+#define WbCPointerMotionData	"PointerMotionData"
+#define WbCVerticalScrollOnRight "VerticalScrollOnRight"
+#define WbCHorizontalScrollOnTop "HorizontalScrollOnTop"
+#define WbCView			 "View"
+#define WbCVerticalScrollBar	 "VerticalScrollBar"
+#define WbCHorizontalScrollBar	 "HorizontalScrollBar"
+
+typedef struct _HTMLClassRec *HTMLWidgetClass;
+typedef struct _HTMLRec      *HTMLWidget;
+
+extern WidgetClass htmlWidgetClass;
+
+
+#endif /* HTML_H */
+