зеркало из https://github.com/mozilla/pjs.git
1695 строки
67 KiB
C
1695 строки
67 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef _Layout_h_
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#define _Layout_h_
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#define M12N /* XXXM12N include m12n changes, exclude old
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stuff. */
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#include "xp_core.h"
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#include "net.h"
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#include "cl_types.h"
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#include "xp_obs.h" /* Observer/observables. */
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#include "il_types.h"
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/* stylesheets stuff */
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#include "stystruc.h"
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#include "stystack.h"
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#include "libmocha.h"
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#define MEMORY_ARENAS 1
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#define NEXT_ELEMENT state->top_state->element_id++
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#define MAX_INPUT_WRITE_LEVEL 10
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#define LINE_BUF_INC 200
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#define FONT_HASH_SIZE 127
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#define DEFAULT_BASE_FONT_SIZE 3
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#define PRE_TEXT_NO 0 /* not preformatted */
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#define PRE_TEXT_YES 1 /* preformatted, no wrapping */
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#define PRE_TEXT_WRAP 2 /* preformatted, but wrapped */
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#define PRE_TEXT_COLS 3 /* preformatted, but set to wrap at a specific column */
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#define QUOTE_NONE 0 /* no quote marker */
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#define QUOTE_MQUOTE 1 /* use blue bars to mark the quoted area. */
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#define QUOTE_JWZ 2 /* use '>'s to mark the quoted area. */
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#define QUOTE_CITE 3 /* use extra leading space to indicate the quoted area */
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#define SUBDOC_NOT 0 /* not really a subdoc. */
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#define SUBDOC_IS 1 /* normal subdoc -- not used. */
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#define SUBDOC_CELL 2 /* table cell */
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#define SUBDOC_CAPTION 3 /* table caption */
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#define LO_ALIGN_DEFAULT -1
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#define LO_ALIGN_CENTER 0
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#define LO_ALIGN_LEFT 1
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#define LO_ALIGN_RIGHT 2
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#define LO_ALIGN_TOP 3
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#define LO_ALIGN_BOTTOM 4
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#define LO_ALIGN_BASELINE 5
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#define LO_ALIGN_NCSA_CENTER 6
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#define LO_ALIGN_NCSA_BOTTOM 7
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#define LO_ALIGN_NCSA_TOP 8
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#define LO_ALIGN_JUSTIFY 9
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#define ICON_X_OFFSET 4
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#define ICON_Y_OFFSET 4
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/* Moved from laytags.c so Composer can use them */
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#define MIN_FONT_SIZE 1
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#define MAX_FONT_SIZE 7
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#define DEFAULT_BASE_POINT_SIZE 12
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#define MIN_POINT_SIZE 1
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#define MAX_POINT_SIZE 1600
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#ifdef EDITOR
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extern char* lo_alignStrings[];
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#endif
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#define S_FORM_TYPE_TEXT "text"
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#define S_FORM_TYPE_RADIO "radio"
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#define S_FORM_TYPE_CHECKBOX "checkbox"
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#define S_FORM_TYPE_HIDDEN "hidden"
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#define S_FORM_TYPE_SUBMIT "submit"
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#define S_FORM_TYPE_RESET "reset"
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#define S_FORM_TYPE_PASSWORD "password"
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#define S_FORM_TYPE_BUTTON "button"
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#define S_FORM_TYPE_IMAGE "image"
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#define S_FORM_TYPE_FILE "file"
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#define S_FORM_TYPE_JOT "jot"
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#define S_FORM_TYPE_READONLY "readonly"
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#define S_FORM_TYPE_OBJECT "object"
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#define S_AREA_SHAPE_DEFAULT "default"
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#define S_AREA_SHAPE_RECT "rect"
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#define S_AREA_SHAPE_CIRCLE "circle"
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#define S_AREA_SHAPE_POLY "poly"
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#define S_AREA_SHAPE_POLYGON "polygon" /* maps to AREA_SHAPE_POLY */
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#define AREA_SHAPE_UNKNOWN 0
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#define AREA_SHAPE_DEFAULT 1
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#define AREA_SHAPE_RECT 2
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#define AREA_SHAPE_CIRCLE 3
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#define AREA_SHAPE_POLY 4
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#define BODY_ATTR_BACKGROUND 0x01
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#define BODY_ATTR_BGCOLOR 0x02
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#define BODY_ATTR_TEXT 0x04
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#define BODY_ATTR_LINK 0x08
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#define BODY_ATTR_VLINK 0x10
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#define BODY_ATTR_ALINK 0x20
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#define BODY_ATTR_MARGINS 0x40
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#define BODY_ATTR_JAVA 0x80
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#define DEF_TAB_WIDTH 8
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extern LO_Color lo_master_colors[];
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typedef struct lo_NameList_struct {
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int32 x, y;
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LO_Element *element;
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PA_Block name; /* really a (char *) */
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struct lo_NameList_struct *next;
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#ifdef MOCHA
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uint32 index; /* Needed because with nested tables, the list
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is not guaranteed to be ordered. */
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struct JSObject *mocha_object;
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#endif
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} lo_NameList;
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typedef struct lo_SavedFormListData_struct {
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XP_Bool valid;
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int32 data_index;
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int32 data_count;
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PA_Block data_list; /* really a (LO_FormElementData **) */
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struct lo_SavedFormListData_struct *next;
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} lo_SavedFormListData;
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typedef void (*lo_FreeProc)(MWContext*, void*);
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typedef struct lo_EmbedDataElement {
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void *data;
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lo_FreeProc freeProc;
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} lo_EmbedDataElement;
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typedef struct lo_SavedEmbedListData_struct {
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int32 embed_count;
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PA_Block embed_data_list; /* really a (lo_EmbedDataElement **) */
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} lo_SavedEmbedListData;
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typedef struct lo_SavedGridData_struct {
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int32 main_width;
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int32 main_height;
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struct lo_GridRec_struct *the_grid;
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} lo_SavedGridData;
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typedef struct lo_MarginStack_struct {
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int32 margin;
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int32 y_min, y_max;
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struct lo_MarginStack_struct *next;
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} lo_MarginStack;
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typedef struct lo_FontStack_struct {
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int32 tag_type;
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LO_TextAttr *text_attr;
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struct lo_FontStack_struct *next;
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} lo_FontStack;
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typedef struct lo_AlignStack_struct {
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intn type;
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int32 alignment;
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struct lo_AlignStack_struct *next;
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} lo_AlignStack;
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typedef struct lo_ListStack_struct {
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intn level;
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int type;
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int32 value;
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Bool compact;
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int bullet_type;
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int8 quote_type;
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int32 mquote_line_num; /* First line to put the mquote bullets on. */
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int32 mquote_x; /* How far to indent the mquote. */
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int32 old_left_margin;
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int32 old_right_margin;
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struct lo_ListStack_struct *next;
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} lo_ListStack;
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typedef struct lo_LayerDocState lo_LayerDocState;
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typedef struct lo_LayerStack lo_LayerStack;
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typedef struct lo_ObjectStack_struct {
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LO_ObjectStruct *object;
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struct lo_ObjectStack_struct *next;
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lo_NVList parameters;
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char* data_url;
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MWContext* context;
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struct lo_DocState_struct* state;
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PA_Tag* real_tag;
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PA_Tag* clone_tag;
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Bool read_params;
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Bool formatted_object;
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} lo_ObjectStack;
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typedef struct lo_LineHeightStack_struct {
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int32 height;
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struct lo_LineHeightStack_struct *next;
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} lo_LineHeightStack;
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typedef struct lo_FormData_struct {
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intn id;
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PA_Block action;
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PA_Block encoding;
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PA_Block window_target;
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int32 method;
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int32 form_ele_cnt;
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int32 form_ele_size;
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PA_Block form_elements; /* really a (LO_Element **) */
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struct lo_FormData_struct *next;
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#ifdef MOCHA
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PA_Block name;
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struct JSObject *mocha_object;
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#endif
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} lo_FormData;
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typedef struct lo_TableCell_struct {
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Bool start_in_form;
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intn form_id;
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int32 form_ele_cnt;
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int32 form_data_index;
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int32 embed_count_base;
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int32 url_count_base;
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int32 image_list_count_base;
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int32 applet_list_count_base;
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int32 embed_list_count_base;
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int32 current_layer_num_base;
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Bool must_relayout;
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intn is_a_subdoc;
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PA_Tag *subdoc_tags;
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PA_Tag *subdoc_tags_end;
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int32 max_y;
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int32 horiz_alignment;
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int32 vert_alignment;
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int32 cell_base_x;
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int32 cell_base_y;
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Bool cell_done;
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Bool nowrap;
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Bool is_a_header;
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int32 specified_width, specified_height;
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int32 percent_width, percent_height;
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int32 min_width, max_width;
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int32 height, baseline;
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int32 rowspan, colspan;
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LO_CellStruct *cell;
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struct lo_TableCell_struct *next;
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int32 beginning_tag_count;
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Bool in_nested_table; /* Can be removed once we remove subdoc tags.
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* Used to figure out whether we shoul free subdoc tags or not
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*/
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} lo_TableCell;
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typedef struct lo_TableRow_struct {
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Bool row_done;
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Bool has_percent_width_cells;
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lo_Backdrop backdrop; /* default for cells to inherit */
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int32 cells; /* is a counter that gets updated as a new cell is seen for a row */
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int32 cells_in_row; /* is the exact number of LO_CELLS in the line list for each row. Calculated in lo_fill_cell_array */
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int32 vert_alignment;
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int32 horiz_alignment;
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lo_TableCell *cell_list;
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lo_TableCell *cell_ptr;
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struct lo_TableRow_struct *next;
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} lo_TableRow;
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typedef struct lo_TableCaption_struct {
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int32 vert_alignment;
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int32 horiz_alignment;
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int32 min_width, max_width;
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int32 height;
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int32 rowspan, colspan;
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LO_SubDocStruct *subdoc;
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LO_CellStruct *cell_ele; /* Kept around for relayout without reload */
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} lo_TableCaption;
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typedef struct lo_table_span_struct {
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int32 dim, min_dim;
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int32 span;
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struct lo_table_span_struct *next;
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} lo_table_span;
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typedef struct lo_TableRec_struct {
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intn draw_borders;
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Bool has_percent_width_cells;
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Bool table_width_fixed;
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Bool has_percent_height_cells;
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int32 percent_width;
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int32 percent_height;
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lo_Backdrop backdrop; /* default for cells to inherit */
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int32 rows, cols;
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int32 width, height;
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int32 inner_top_pad;
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int32 inner_bottom_pad;
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int32 inner_left_pad;
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int32 inner_right_pad;
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int32 inter_cell_pad;
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int32 default_cell_width;
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int32 fixed_cols;
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int32 fixed_width_remaining;
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lo_table_span *width_spans;
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lo_table_span *width_span_ptr;
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lo_table_span *height_spans;
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lo_table_span *height_span_ptr;
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lo_TableCaption *caption;
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LO_TableStruct *table_ele;
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LO_SubDocStruct *current_subdoc;
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lo_TableRow *row_list;
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lo_TableRow *row_ptr;
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int32 *fixed_col_widths;
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} lo_TableRec;
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/*
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* This structure contains all the element lists associated with a
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* document that are reflected into mocha. There's one per top-level
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* document (in the top_state), and one per layer.
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* XXX BUGBUG The things that are missing from this list include:
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* - The savedData stuff
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* - A document's map_list
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* Why? I don't feel comfortable moving these guys around at this point.
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*/
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typedef struct lo_DocLists_struct {
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LO_EmbedStruct *embed_list; /* embeds linked in reverse order */
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int32 embed_list_count; /* The number of embeds in the list */
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LO_JavaAppStruct *applet_list; /* applets linked in reverse order */
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int32 applet_list_count; /* The number of applets in the list */
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LO_ImageStruct *image_list; /* list of images in doc */
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LO_ImageStruct *last_image; /* last image in image_list */
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uint32 image_list_count; /* Number of images in the list */
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lo_NameList *name_list; /* list of positions of named anchors */
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uint32 anchor_count; /* Count of named anchors in this document */
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#ifdef DOM
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lo_NameList *span_list; /* list of positions of named spans*/
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uint32 span_count; /* Count of named spans in this document */
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#endif
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lo_FormData *form_list; /* list of forms in doc */
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intn current_form_num; /* The id of the next form to lay out */
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#ifdef XP_WIN16
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intn ulist_array_size;
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XP_Block ulist_array; /* really a (XP_Block *) */
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#endif /* XP_WIN16 */
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XP_Block url_list; /* really a (LO_AnchorData **) PA_Block */
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intn url_list_len; /* Number of URLs in the list */
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intn url_list_size; /* Size of the list buffer */
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} lo_DocLists;
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typedef struct lo_MultiCol_struct {
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LO_Element *end_last_line;
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int32 start_ele;
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int32 start_line, end_line;
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int32 start_y, end_y;
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int32 start_x;
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int32 cols;
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int32 col_width;
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int32 orig_margin;
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int32 orig_min_width;
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int32 orig_display_blocking_element_y;
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int32 gutter;
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Bool orig_display_blocked;
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Bool close_table;
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int32 width; /* For relayout without reload */
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Bool isPercentWidth; /* For relayout without reload */
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struct lo_MultiCol_struct *next;
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} lo_MultiCol;
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#define LO_PERCENT_NORMAL 0
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#define LO_PERCENT_FREE 1
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#define LO_PERCENT_FIXED 2
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typedef struct lo_GridPercent_struct {
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uint8 type;
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int32 value;
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int32 original_value;
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} lo_GridPercent;
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typedef struct lo_GridHistory_struct {
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void *hist; /* really a SHIST history pointer */
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int32 position;
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} lo_GridHistory;
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typedef struct lo_GridCellRec_struct {
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int32 x, y;
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int32 width, height;
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int32 margin_width, margin_height;
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intn width_percent;
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intn height_percent;
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char *url;
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char *name;
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MWContext *context;
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void *hist_list; /* really a (XP_List *) */
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lo_GridHistory *hist_array;
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int32 hist_indx;
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int8 scrolling;
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Bool resizable;
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Bool no_edges;
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int16 edge_size;
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int8 color_priority;
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LO_Color *border_color;
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struct lo_GridEdge_struct *side_edges[4]; /* top, bottom, left, right */
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struct lo_GridCellRec_struct *next;
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struct lo_GridRec_struct *subgrid;
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Bool needs_restructuring;
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} lo_GridCellRec;
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typedef struct lo_GridEdge_struct {
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int32 x, y;
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int32 width, height;
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Bool is_vertical;
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int32 left_top_bound;
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int32 right_bottom_bound;
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int32 cell_cnt;
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int32 cell_max;
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lo_GridCellRec **cell_array;
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LO_EdgeStruct *fe_edge;
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struct lo_GridEdge_struct *next;
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Bool dealt_with_in_relayout;
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} lo_GridEdge;
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typedef struct lo_GridRec_struct {
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int32 main_width, main_height;
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int32 current_hist, max_hist, hist_size;
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int32 grid_cell_border;
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int32 grid_cell_min_dim;
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int32 rows, cols;
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int32 current_cell_margin_width;
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int32 current_cell_margin_height;
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lo_GridPercent *row_percents;
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lo_GridPercent *col_percents;
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lo_GridCellRec *cell_list;
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lo_GridCellRec *cell_list_last;
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int32 cell_count;
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Bool no_edges;
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int16 edge_size;
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int8 color_priority;
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LO_Color *border_color;
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lo_GridEdge *edge_list;
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struct lo_GridRec_struct *subgrid;
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} lo_GridRec;
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extern lo_GridCellRec *
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lo_ContextToCell(MWContext *context, Bool reconnect, lo_GridRec **grid_ptr);
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typedef struct lo_MapRec_struct {
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char *name;
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struct lo_MapAreaRec_struct *areas;
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struct lo_MapAreaRec_struct *areas_last;
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struct lo_MapRec_struct *next;
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} lo_MapRec;
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typedef struct lo_MapAreaRec_struct {
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int16 type;
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int16 alt_len;
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PA_Block alt;
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int32 *coords;
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int32 coord_cnt;
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LO_AnchorData *anchor;
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struct lo_MapAreaRec_struct *next;
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} lo_MapAreaRec;
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#ifdef HTML_CERTIFICATE_SUPPORT
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typedef struct lo_Certificate_struct {
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PA_Block name; /* really a (char *) */
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void *cert; /* really a (char *) */
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struct lo_Certificate_struct *next;
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} lo_Certificate;
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#endif /* HTML_CERTIFICATE_SUPPORT */
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typedef struct lo_TopState_struct lo_TopState;
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#ifdef TEST_16BIT
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#define XP_WIN16
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#endif /* TEST_16BIT */
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typedef struct lo_DocState_struct {
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lo_TopState *top_state;
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PA_Tag *subdoc_tags; /* tags that created this subdoc */
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PA_Tag *subdoc_tags_end; /* End of subdoc tags list */
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|
|
int32 base_x, base_y; /* upper left of document */
|
|
int32 x, y; /* upper left of element in progress */
|
|
int32 width; /* width of element in progress */
|
|
int32 win_width; /* Document or subdoc dimensions */
|
|
int32 win_height;
|
|
int32 max_height; /* farthest down item so far. */
|
|
int32 max_width; /* width of widest line so far. */
|
|
int32 min_width; /* minimum possible line width */
|
|
int32 break_holder; /* holder for last break position width */
|
|
int32 line_num; /* line number of the next line to be placed */
|
|
int32 preformat_cols; /* Column to break special PRE_TEXT_COLS at */
|
|
intn linefeed_state;
|
|
int8 preformatted; /* processing preformatted (maybe wrap) text */
|
|
Bool allow_amp_escapes; /* Let & entites be expanded */
|
|
Bool breakable; /* Working on a breakable element */
|
|
Bool delay_align; /* in subdoc, delay aligning lines */
|
|
Bool display_blocked; /* do not display during layout */
|
|
Bool in_paragraph; /* inside an HTML 3.0 paragraph container */
|
|
int32 display_blocking_element_id;
|
|
int32 display_blocking_element_y;
|
|
|
|
int32 win_top;
|
|
int32 win_bottom;
|
|
int32 win_left;
|
|
int32 win_right;
|
|
int32 left_margin;
|
|
int32 right_margin;
|
|
lo_MarginStack *left_margin_stack;
|
|
lo_MarginStack *right_margin_stack;
|
|
|
|
int32 text_divert; /* the tag type of a text diverter (like P_TITLE) */
|
|
|
|
#ifdef XP_WIN16
|
|
intn larray_array_size;
|
|
XP_Block larray_array; /* really a (XP_Block *) */
|
|
#endif /* XP_WIN16 */
|
|
intn line_array_size;
|
|
XP_Block line_array; /* really a (LO_Element **) */
|
|
LO_Element *line_list; /* Element list for the current line so far */
|
|
LO_Element *end_last_line; /* Element at end of last line */
|
|
|
|
LO_Element *float_list; /* Floating element list for the current doc */
|
|
|
|
intn base_font_size; /* size of font at bottom of font stack */
|
|
lo_FontStack *font_stack;
|
|
|
|
lo_AlignStack *align_stack;
|
|
|
|
lo_ListStack *list_stack;
|
|
|
|
lo_LineHeightStack *line_height_stack;
|
|
|
|
LO_TextInfo text_info; /* for text of last text element created */
|
|
/* this is a buffer for a single (currently processed) line of text */
|
|
PA_Block line_buf; /* lock to a (char *) */
|
|
int32 line_buf_len;
|
|
int32 line_buf_size;
|
|
int32 baseline;
|
|
int32 line_height;
|
|
int32 default_line_height;
|
|
int32 break_pos; /* position in middle of current element */
|
|
int32 break_width;
|
|
Bool last_char_CR;
|
|
Bool trailing_space;
|
|
Bool at_begin_line;
|
|
Bool hide_content; /* set to not display text */
|
|
|
|
LO_TextStruct *old_break;
|
|
LO_TextBlock *old_break_block;
|
|
int32 old_break_pos; /* in middle of older element on this line */
|
|
int32 old_break_width;
|
|
|
|
PA_Block current_named_anchor; /* lock to a (char *) */
|
|
LO_AnchorData *current_anchor;
|
|
|
|
intn cur_ele_type;
|
|
LO_Element *current_ele; /* element in process, no end tag yet */
|
|
|
|
LO_JavaAppStruct *current_java; /* java applet in process, no end tag yet */
|
|
|
|
lo_TableRec *current_table;
|
|
lo_GridRec *current_grid;
|
|
lo_MultiCol *current_multicol;
|
|
intn layer_nest_level; /* Layer nesting level for this (sub)doc */
|
|
|
|
Bool start_in_form; /* Was in a form at start of (sub)doc */
|
|
intn form_id; /* first form entering this (sub)doc */
|
|
int32 form_ele_cnt; /* first form element entering this (sub)doc */
|
|
int32 form_data_index; /* first form data entering this (sub)doc */
|
|
int32 embed_count_base; /* number of embedded elements (applets and embeds) before beginning this (sub)doc */
|
|
/*
|
|
* Just to clarify: the embed_count is the total of all applets and
|
|
* embeds in the document. This is used for indexing into the saved
|
|
* data structure. The applet_list_count and embed_list_count are
|
|
* applets and embeds in the current container. This is used to index
|
|
* into the applet and embed lists of the container.
|
|
*/
|
|
int32 url_count_base; /* number of anchors before beginning this (sub)doc */
|
|
int32 image_list_count_base; /* number of images before this (sub)doc */
|
|
int32 applet_list_count_base; /* number of applets before this (sub)doc */
|
|
int32 embed_list_count_base; /* number of embeds before this (sub)doc */
|
|
int32 current_layer_num_base; /* id of last layer before this (sub)doc */
|
|
int32 current_layer_num_max; /* id of the last layer in this (sub)doc */
|
|
Bool must_relayout_subdoc;
|
|
Bool allow_percent_width;
|
|
Bool allow_percent_height;
|
|
intn is_a_subdoc;
|
|
int32 current_subdoc;
|
|
XP_Block sub_documents; /* really a lo_DocState ** array */
|
|
struct lo_DocState_struct *sub_state;
|
|
|
|
LO_Element *current_cell;
|
|
|
|
Bool extending_start;
|
|
LO_Element *selection_start;
|
|
int32 selection_start_pos;
|
|
LO_Element *selection_end;
|
|
int32 selection_end_pos;
|
|
LO_Element *selection_new;
|
|
int32 selection_new_pos;
|
|
CL_Layer *selection_layer;
|
|
|
|
LO_Color text_fg;
|
|
LO_Color text_bg;
|
|
LO_Color anchor_color;
|
|
LO_Color visited_anchor_color;
|
|
LO_Color active_anchor_color;
|
|
ED_Element *edit_current_element;
|
|
int edit_current_offset;
|
|
Bool edit_force_offset;
|
|
Bool edit_relayout_display_blocked;
|
|
#ifdef MOCHA
|
|
Bool in_relayout; /* true if we're in lo_RelayoutSubdoc */
|
|
#endif
|
|
|
|
int32 tab_stop;
|
|
int32 beginning_tag_count; /* the tag count at the beginning of this state */
|
|
|
|
LO_TextBlock * cur_text_block;
|
|
Bool need_min_width;
|
|
uint32 src_text_offset;
|
|
|
|
#ifdef DOM
|
|
Bool in_span;
|
|
PA_Block current_span;
|
|
#endif
|
|
} lo_DocState;
|
|
|
|
#ifdef TEST_16BIT
|
|
#undef XP_WIN16
|
|
#endif /* TEST_16BIT */
|
|
|
|
#define STATE_DEFAULT_FG_RED(state) ((state)->text_fg.red)
|
|
#define STATE_DEFAULT_FG_GREEN(state) ((state)->text_fg.green)
|
|
#define STATE_DEFAULT_FG_BLUE(state) ((state)->text_fg.blue)
|
|
|
|
#define STATE_DEFAULT_BG_RED(state) ((state)->text_bg.red)
|
|
#define STATE_DEFAULT_BG_GREEN(state) ((state)->text_bg.green)
|
|
#define STATE_DEFAULT_BG_BLUE(state) ((state)->text_bg.blue)
|
|
|
|
#define STATE_UNVISITED_ANCHOR_RED(state) ((state)->anchor_color.red)
|
|
#define STATE_UNVISITED_ANCHOR_GREEN(state) ((state)->anchor_color.green)
|
|
#define STATE_UNVISITED_ANCHOR_BLUE(state) ((state)->anchor_color.blue)
|
|
|
|
#define STATE_VISITED_ANCHOR_RED(state) ((state)->visited_anchor_color.red)
|
|
#define STATE_VISITED_ANCHOR_GREEN(state) ((state)->visited_anchor_color.green)
|
|
#define STATE_VISITED_ANCHOR_BLUE(state) ((state)->visited_anchor_color.blue)
|
|
|
|
#define STATE_SELECTED_ANCHOR_RED(state) ((state)->active_anchor_color.red)
|
|
#define STATE_SELECTED_ANCHOR_GREEN(state) ((state)->active_anchor_color.green)
|
|
#define STATE_SELECTED_ANCHOR_BLUE(state) ((state)->active_anchor_color.blue)
|
|
|
|
|
|
#ifdef MEMORY_ARENAS
|
|
typedef struct lo_arena_struct {
|
|
struct lo_arena_struct *next;
|
|
char *limit;
|
|
char *avail;
|
|
} lo_arena;
|
|
#endif /* MEMORY_ARENAS */
|
|
|
|
/*
|
|
** This is just like SHIST_SavedData except the fields are more strictly
|
|
** typed.
|
|
*/
|
|
typedef struct lo_SavedData {
|
|
lo_SavedFormListData* FormList; /* Data for all form elements in doc */
|
|
lo_SavedEmbedListData* EmbedList; /* session data for all embeds and applets in doc */
|
|
lo_SavedGridData* Grid; /* saved for grid history. */
|
|
#ifdef MOCHA
|
|
PA_Block OnLoad; /* JavaScript onload event handler source */
|
|
PA_Block OnUnload; /* JavaScript onunload event handler source */
|
|
PA_Block OnFocus; /* JavaScript onfocus event handler source */
|
|
PA_Block OnBlur; /* JavaScript onblur event handler source */
|
|
PA_Block OnHelp; /* JavaScript onhelp event handler source */
|
|
PA_Block OnMouseOver; /* JavaScript onmouseover event handler source */
|
|
PA_Block OnMouseOut; /* JavaScript onmouseout event handler source */
|
|
PA_Block OnDragDrop; /* JavaScript ondragdrop event handler source */
|
|
PA_Block OnMove; /* JavaScript onmove event handler source */
|
|
PA_Block OnResize; /* JavaScript onresize event handler source */
|
|
#endif
|
|
} lo_SavedData;
|
|
|
|
/*
|
|
* This is used when we have an input stream and we need to defer
|
|
* the destruction of the main parser stream till we're done
|
|
* processing all inline streams.
|
|
*/
|
|
typedef void lo_FreeStreamFunc(MWContext *, NET_StreamClass *);
|
|
|
|
/*
|
|
* Top level state
|
|
*/
|
|
struct lo_TopState_struct {
|
|
#ifdef MEMORY_ARENAS
|
|
lo_arena *first_arena;
|
|
lo_arena *current_arena;
|
|
#endif /* MEMORY_ARENAS */
|
|
PA_Tag *tags; /* Held tags while layout is blocked */
|
|
PA_Tag **tags_end; /* End of held tags list */
|
|
PRPackedBool doc_specified_bg;
|
|
PRPackedBool nothing_displayed;
|
|
PRPackedBool in_head; /* Still in the HEAD of the HTML doc. */
|
|
PRPackedBool in_body; /* In the BODY of the HTML doc. */
|
|
PRPackedBool scrolling_doc; /* Is this a special scrolling doc (hack) */
|
|
PRPackedBool have_title; /* set by first <TITLE> */
|
|
PRPackedBool in_form; /* true if in <FORM>...</FORM> */
|
|
uint8 body_attr; /* What attributes were set by BODY */
|
|
char *unknown_head_tag; /* ignore content in this case if non-NULL */
|
|
char *base_target; /* Base target of urls in this document */
|
|
char *base_url; /* Base url of this document */
|
|
char *inline_stream_blocked_base_url; /* Base url for prefetched images */
|
|
char *main_stream_blocked_base_url; /* Base url for prefetched images */
|
|
char *url; /* Real url of this document */
|
|
char *name_target; /* The #name part of the url */
|
|
int32 element_id;
|
|
LO_Element *layout_blocking_element;
|
|
LO_Element *current_script;
|
|
intn layout_status;
|
|
|
|
lo_DocLists doc_lists; /* Lists of reflected elements */
|
|
|
|
lo_LayerDocState **layers; /* Array of ptrs to all layers in current doc */
|
|
int32 num_layers_allocated; /* Length of layers array */
|
|
int32 current_layer_num; /* Id of last layer to be laid out */
|
|
int32 max_layer_num; /* Largest id of any layer yet laid out */
|
|
|
|
lo_LayerStack *layer_stack;
|
|
|
|
lo_MapRec *map_list; /* list of maps in doc */
|
|
lo_MapRec *current_map; /* Current open MAP tag */
|
|
|
|
int32 embed_count; /* master count of embeds in this document */
|
|
lo_SavedData savedData; /* layout data */
|
|
|
|
int32 total_bytes;
|
|
int32 current_bytes;
|
|
int32 layout_bytes;
|
|
int32 script_bytes;
|
|
intn layout_percent;
|
|
|
|
lo_GridRec *the_grid;
|
|
lo_GridRec *old_grid;
|
|
|
|
PRPackedBool is_grid; /* once a grid is started, ignore other tags */
|
|
int ignore_tag_nest_level; /* For NOSCRIPT, NOEMBED, NOLAYER */
|
|
int ignore_layer_nest_level; /* For <LAYER SUPPRESS> */
|
|
|
|
PRPackedBool in_nogrids; /* special way to ignore tags in <noframes> */
|
|
PRPackedBool in_applet; /* special way to ignore tags in java applet */
|
|
PRPackedBool is_binary; /* hack for images instead of HTML doc */
|
|
PRPackedBool insecure_images; /* secure doc with insecure images */
|
|
PRPackedBool out_of_memory; /* ran out of memory mid-layout */
|
|
PRPackedBool finished; /* lo_FinishLayout() has been called */
|
|
NET_ReloadMethod
|
|
force_reload; /* URL_Struct reload flag */
|
|
intn auto_scroll; /* Chat auto-scrolling layout, # of lines */
|
|
intn security_level; /* non-zero for secure docs. */
|
|
URL_Struct *nurl; /* the netlib url struct */
|
|
|
|
PA_Block font_face_array; /* really a (char **) */
|
|
intn font_face_array_len;
|
|
intn font_face_array_size;
|
|
|
|
XP_Block text_attr_hash; /* really a (LO_TextAttr **) */
|
|
|
|
LO_Element *recycle_list; /* List of Elements to be reused */
|
|
LO_Element *trash; /* List of Elements to discard later */
|
|
|
|
lo_DocState *doc_state;
|
|
|
|
ED_Buffer *edit_buffer;
|
|
#ifdef MOCHA
|
|
uint32 script_tag_count; /* number of script tags processed so far */
|
|
uint script_lineno; /* parser newline count at last <SCRIPT> tag */
|
|
int8 in_script; /* script type if in script, see below */
|
|
PRPackedBool in_blocked_script; /* inside blocked <SCRIPT> tag container */
|
|
int8 default_style_script_type; /* the default script type or the last
|
|
* type of script encountered
|
|
*/
|
|
PRPackedBool resize_reload; /* is this a resize-induced reload? */
|
|
PRPackedBool mocha_has_onload;
|
|
PRPackedBool mocha_has_onunload;
|
|
JSVersion version;
|
|
uint32 mocha_loading_applets_count;
|
|
uint32 mocha_loading_embeds_count;
|
|
NET_StreamClass *mocha_write_stream;
|
|
void *scriptData;
|
|
#endif
|
|
|
|
struct pa_DocData_struct *doc_data;
|
|
PA_Tag **input_write_point[MAX_INPUT_WRITE_LEVEL];
|
|
uint32 input_write_level;
|
|
PRPackedBool tag_from_inline_stream;
|
|
|
|
#ifdef HTML_CERTIFICATE_SUPPORT
|
|
lo_Certificate *cert_list; /* list of certificates in doc */
|
|
#endif
|
|
StyleAndTagStack * style_stack;
|
|
char *small_bm_icon;
|
|
char *large_bm_icon;
|
|
|
|
Bool diff_state; /* set if our state record is different but at the same level */
|
|
int32 state_pushes; /* how many new states have we added */
|
|
int32 state_pops; /* how many states have we removed */
|
|
CL_Layer *doc_layer; /* Root document layer */
|
|
CL_Layer *body_layer; /* Layer enclosing contents of BODY tag */
|
|
lo_ObjectStack *object_stack; /* See layobj.c */
|
|
lo_ObjectStack *object_cache;
|
|
int32 tag_count; /* sequential tag numbering */
|
|
PRPackedBool flushing_blockage;
|
|
PRPackedBool wedged_on_mocha;
|
|
Bool in_cell_relayout;
|
|
int16 table_nesting_level; /* Counter to keep track of depth of nesting within tables */
|
|
TagList *metaTags; /* The meta tags encountered by layout in the currently loaded document. */
|
|
#ifdef DEBUG_ScriptPlugin
|
|
char * mimetype;
|
|
#endif
|
|
#ifdef DOM
|
|
void /*DOM_Node*/ *top_node; /* top of the DOM_Node tree */
|
|
void /*DOM_Node*/ *current_node; /* active node (only during tree gen) */
|
|
#endif
|
|
};
|
|
|
|
/* Script type codes, stored in top_state->in_script. */
|
|
#define SCRIPT_TYPE_NOT 0
|
|
#define SCRIPT_TYPE_MOCHA 1
|
|
#define SCRIPT_TYPE_CSS 2
|
|
#define SCRIPT_TYPE_JSSS 3
|
|
#define SCRIPT_TYPE_UNKNOWN 4
|
|
#ifdef DEBUG_ScriptPlugin
|
|
#define SCRIPT_TYPE_PLUGIN 5
|
|
#endif
|
|
#ifdef MOCHA
|
|
extern void
|
|
lo_DestroyScriptData(void *data);
|
|
#endif
|
|
|
|
/* Define to get the reload flag of the current document */
|
|
#define FORCE_RELOAD_FLAG(top_state) \
|
|
((top_state)->resize_reload ? NET_RESIZE_RELOAD : (top_state)->force_reload)
|
|
|
|
|
|
/*
|
|
Internal Prototypes
|
|
*/
|
|
|
|
extern lo_FontStack *lo_DefaultFont(lo_DocState *, MWContext *);
|
|
extern Bool lo_FilterTag(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_LayoutTag(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_PreLayoutTag(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_PostLayoutTag(MWContext *, lo_DocState *, PA_Tag *, XP_Bool);
|
|
extern void lo_SaveSubdocTags(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_FreshText(lo_DocState *);
|
|
extern void lo_InsertLineBreak(MWContext *, lo_DocState *, uint32, uint32, Bool);
|
|
extern void lo_HardLineBreak(MWContext *, lo_DocState *, Bool);
|
|
extern void lo_HardLineBreakWithClearType(MWContext *, lo_DocState *, uint32, Bool);
|
|
extern void lo_SoftLineBreak(MWContext *, lo_DocState *, Bool);
|
|
extern void lo_SetSoftLineBreakState(MWContext *, lo_DocState *, Bool, intn);
|
|
extern void lo_SetLineBreakState(MWContext *context, lo_DocState *state, Bool breaking,
|
|
uint32 break_type, intn linefeed_state, Bool relayout);
|
|
extern void lo_InsertWordBreak(MWContext *, lo_DocState *);
|
|
extern void lo_FormatText(MWContext *, lo_DocState *, char *);
|
|
extern void lo_PreformatedText(MWContext *, lo_DocState *, char *);
|
|
extern LO_Element * lo_RelayoutTextBlock ( MWContext * context, lo_DocState * state, LO_TextBlock * block, LO_TextStruct * fromElement );
|
|
extern Bool lo_ChangeText ( LO_TextBlock * block, char * text );
|
|
extern void lo_FlushLineBuffer(MWContext *, lo_DocState *);
|
|
extern void lo_FlushTextBlock ( MWContext *context, lo_DocState *state );
|
|
extern void lo_ResetFontStack(MWContext *, lo_DocState *);
|
|
/* This always sets the color. "state" will be obtained in function if NULL */
|
|
extern void lo_SetBodyTextFGColor(MWContext *context, lo_DocState *state, LO_Color *color);
|
|
/* This sets the color only the first time its called for one GetURL+layout cycle */
|
|
extern void lo_ChangeBodyTextFGColor(MWContext *context, lo_DocState *state, LO_Color *color);
|
|
extern void lo_PushFont(lo_DocState *, intn, LO_TextAttr *);
|
|
extern LO_TextAttr *lo_PopFont(lo_DocState *, intn);
|
|
extern void lo_PopAllAnchors(lo_DocState *);
|
|
extern void lo_FlushLineList(MWContext *, lo_DocState *, uint32, uint32, Bool);
|
|
extern LO_LinefeedStruct *lo_NewLinefeed(lo_DocState *, MWContext *, uint32, uint32);
|
|
extern void lo_HorizontalRule(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_FormatImage(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_FormatEmbed(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_RelayoutEmbed ( MWContext *context, lo_DocState *state,
|
|
LO_EmbedStruct * embed, PA_Tag * tag );
|
|
extern void lo_FormatJavaApp(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_JavaAppParam(MWContext *, lo_DocState *, PA_Tag *, LO_JavaAppStruct *);
|
|
extern void lo_CloseJavaApp(MWContext *, lo_DocState *, LO_JavaAppStruct *);
|
|
void lo_RelayoutJavaApp(MWContext *, lo_DocState *, PA_Tag *, LO_JavaAppStruct * );
|
|
extern void lo_ProcessSpacerTag(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_ProcessBodyTag(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern char *lo_ParseBackgroundAttribute(MWContext *,
|
|
lo_DocState *, PA_Tag *,
|
|
Bool);
|
|
extern void lo_BodyBackground(MWContext *, lo_DocState *, PA_Tag *, Bool);
|
|
extern void lo_BodyForeground(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern int32 lo_ValueOrPercent(char *, Bool *);
|
|
extern void lo_BreakOldElement(MWContext *, lo_DocState *);
|
|
extern void lo_BreakOldTextBlockElement(MWContext *context, lo_DocState *state);
|
|
extern int32 lo_baseline_adjust(MWContext *context, lo_DocState *state, LO_Element *ele_list,
|
|
int32 old_baseline, int32 old_line_height);
|
|
extern void lo_UpdateElementPosition ( lo_DocState * state, LO_Element * element );
|
|
extern void lo_CopyTextAttr(LO_TextAttr *, LO_TextAttr *);
|
|
extern LO_TextAttr *lo_FetchTextAttr(lo_DocState *, LO_TextAttr *);
|
|
extern LO_TextAttr *lo_NewCopyTextAttr(lo_DocState *, LO_TextAttr *);
|
|
extern void lo_FindLineMargins(MWContext *, lo_DocState *, Bool updateFE);
|
|
extern void lo_AddMarginStack(lo_DocState *, int32, int32, int32, int32,
|
|
int32, int32, int32, intn);
|
|
extern LO_AnchorData *lo_NewAnchor(lo_DocState *, PA_Block, PA_Block);
|
|
extern void lo_DestroyAnchor(LO_AnchorData *anchor_data);
|
|
extern void lo_AddToUrlList(MWContext *, lo_DocState *, LO_AnchorData *);
|
|
extern void lo_AddEmbedData(MWContext *, void *, lo_FreeProc, int32);
|
|
extern lo_ListStack *lo_DefaultList(lo_DocState *);
|
|
extern void lo_PushList(lo_DocState *, PA_Tag *, int8);
|
|
extern lo_ListStack *lo_PopList(lo_DocState *, PA_Tag *);
|
|
|
|
extern void lo_PushAlignment(lo_DocState *, intn, int32);
|
|
extern lo_AlignStack *lo_PopAlignment(lo_DocState *);
|
|
|
|
extern void lo_PushLineHeight(lo_DocState *, int32);
|
|
extern lo_LineHeightStack *lo_PopLineHeight(lo_DocState *);
|
|
|
|
extern Bool lo_InitDocLists(MWContext *context, lo_DocLists *doc_lists);
|
|
extern void lo_DeleteDocLists(MWContext *context, lo_DocLists *doc_lists);
|
|
|
|
extern lo_TopState *lo_NewTopState(MWContext *, char *);
|
|
extern void lo_PushStateLevel(MWContext *context);
|
|
extern void lo_PopStateLevel(MWContext *context);
|
|
extern lo_DocState *lo_NewLayout(MWContext *, int32, int32, int32, int32,
|
|
lo_DocState*);
|
|
extern lo_DocState *
|
|
lo_InitDocState(lo_DocState *state, MWContext *context,
|
|
int32 width, int32 height,
|
|
int32 margin_width, int32 margin_height,
|
|
lo_DocState* clone_state,
|
|
lo_DocLists *doc_lists,
|
|
PRBool is_for_new_layer);
|
|
|
|
extern lo_SavedFormListData *lo_NewDocumentFormListData(void);
|
|
extern Bool lo_StoreTopState(int32, lo_TopState *);
|
|
extern lo_TopState *lo_FetchTopState(int32);
|
|
extern lo_DocState *lo_TopSubState(lo_TopState *);
|
|
extern lo_DocState *lo_CurrentSubState(lo_DocState *);
|
|
|
|
extern void lo_InheritParentState(MWContext *, lo_DocState *, lo_DocState *);
|
|
extern void lo_InheritParentColors(MWContext *context, lo_DocState *child_state, lo_DocState *parent_state);
|
|
extern void lo_GetImage(MWContext *context, IL_GroupContext *img_cx,
|
|
LO_ImageStruct *lo_image, XP_ObserverList obs_list,
|
|
NET_ReloadMethod requested_reload_method);
|
|
extern void lo_NoMoreImages(MWContext *);
|
|
extern void lo_FinishImage(MWContext *, lo_DocState *, LO_ImageStruct *);
|
|
extern void lo_FinishEmbed(MWContext *, lo_DocState *, LO_EmbedStruct *);
|
|
extern void lo_BlockedImageLayout(MWContext *, lo_DocState *, PA_Tag *, char *base_url);
|
|
extern void lo_PartialFormatImage(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_FlushBlockage(MWContext *, lo_DocState *, lo_DocState *);
|
|
extern void lo_FinishLayout(MWContext *, lo_DocState *, int32);
|
|
extern void lo_FreeLayoutData(MWContext *, lo_DocState *);
|
|
extern void lo_CloseMochaWriteStream(lo_TopState *top_state, int mocha_event);
|
|
struct pa_DocData_struct;
|
|
extern LO_Element *lo_InternalDiscardDocument(MWContext *, lo_DocState *, struct pa_DocData_struct *, Bool bWholeDoc);
|
|
extern void lo_FreePartialTable(MWContext *, lo_DocState *, lo_TableRec *);
|
|
extern void lo_FreePartialSubDoc(MWContext *, lo_DocState *, LO_SubDocStruct *);
|
|
extern void lo_FreePartialCell(MWContext *context, lo_DocState *state,
|
|
LO_CellStruct *cell);
|
|
extern void lo_FreeElement(MWContext *context, LO_Element *, Bool);
|
|
extern void lo_FreeElementList(MWContext *, LO_Element *);
|
|
extern void lo_FreeImageAttributes(LO_ImageAttr *image_attr);
|
|
extern void lo_ScrapeElement(MWContext *context, LO_Element *, Bool);
|
|
extern int32 lo_FreeRecycleList(MWContext *context, LO_Element *);
|
|
extern void lo_FreeGridRec(lo_GridRec *);
|
|
extern void lo_FreeGridCellRec(MWContext *, lo_GridRec *, lo_GridCellRec *);
|
|
extern void lo_FreeGridEdge(lo_GridEdge *);
|
|
extern void lo_FreeFormElementData(LO_FormElementData *element_data);
|
|
extern void lo_free_cell_record(MWContext *context, lo_DocState *state, lo_TableCell *cell);
|
|
extern void lo_ScrapeTableElement( MWContext *context, LO_TableStruct *table_ele );
|
|
|
|
|
|
#ifdef MEMORY_ARENAS
|
|
extern void lo_InitializeMemoryArena(lo_TopState *);
|
|
extern int32 lo_FreeMemoryArena(lo_arena *);
|
|
extern char *lo_MemoryArenaAllocate(lo_TopState *, int32);
|
|
#endif /* MEMORY_ARENAS */
|
|
|
|
extern void lo_fillin_text_info(MWContext *context, lo_DocState *state);
|
|
extern char *lo_FetchFontFace(MWContext *, lo_DocState *, char *);
|
|
extern PA_Block lo_FetchParamValue(MWContext *, PA_Tag *, char *);
|
|
extern PA_Block lo_ValueToAlpha(int32, Bool, intn *);
|
|
extern void lo_PlaceQuoteMarker(MWContext *, lo_DocState *, lo_ListStack *);
|
|
extern void lo_PlaceBulletStr(MWContext *, lo_DocState *);
|
|
extern void lo_PlaceBullet (MWContext *, lo_DocState *);
|
|
extern PA_Block lo_ValueToRoman(int32, Bool, intn *);
|
|
extern void lo_ConvertAllValues(MWContext *, char **, int32, uint);
|
|
extern void lo_CloseOutLayout(MWContext *, lo_DocState *);
|
|
extern void lo_CloseOutTable(MWContext *, lo_DocState *);
|
|
extern void lo_CloseParagraph(MWContext *context, lo_DocState **state, PA_Tag *tag, intn blank_lines);
|
|
extern void lo_CloseTable(MWContext *, lo_DocState *); /* from laytags.c */
|
|
extern void lo_ShiftMarginsUp(MWContext *, lo_DocState *, int32);
|
|
extern void lo_ClearToLeftMargin(MWContext *, lo_DocState *);
|
|
extern void lo_ClearToRightMargin(MWContext *, lo_DocState *);
|
|
extern void lo_ClearToBothMargins(MWContext *, lo_DocState *);
|
|
extern void lo_BeginForm(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_ProcessInputTag(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_FreeDocumentGridData(MWContext *, lo_SavedGridData *);
|
|
extern void lo_FreeDocumentEmbedListData(MWContext *, lo_SavedEmbedListData *);
|
|
extern void lo_FreeDocumentFormListData(MWContext *, lo_SavedFormListData *);
|
|
extern void lo_SaveFormElementStateInFormList(MWContext *context, lo_FormData *form_list, Bool discard_elements);
|
|
extern void lo_SaveFormElementState(MWContext *, lo_DocState *, Bool);
|
|
extern void lo_BeginTextareaTag(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_EndTextareaTag(MWContext *, lo_DocState *, PA_Block );
|
|
extern void lo_BeginOptionTag(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_EndOptionTag(MWContext *, lo_DocState *, PA_Block );
|
|
extern void lo_BeginSelectTag(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_EndSelectTag(MWContext *, lo_DocState *);
|
|
extern void lo_ProcessKeygenTag(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_BeginSubDoc(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_EndSubDoc(MWContext *, lo_DocState *,lo_DocState *,LO_Element *);
|
|
extern void lo_BeginCell(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_EndCell(MWContext *, lo_DocState *, LO_Element *);
|
|
extern void lo_RecreateGrid(MWContext *, lo_DocState *, lo_GridRec *);
|
|
extern void lo_BeginGrid(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_EndGrid(MWContext *, lo_DocState *, lo_GridRec *);
|
|
extern void lo_BeginGridCell(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_BeginSubgrid(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_EndSubgrid(MWContext *, lo_DocState *, lo_GridRec *);
|
|
extern void lo_BeginMap(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_EndMap(MWContext *, lo_DocState *, lo_MapRec *);
|
|
extern lo_MapRec *lo_FreeMap(lo_MapRec *);
|
|
extern void lo_BeginMapArea(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern lo_MapRec *lo_FindNamedMap(MWContext *, lo_DocState *, char *);
|
|
extern LO_AnchorData *lo_MapXYToAnchorData(MWContext *, lo_DocState *,
|
|
lo_MapRec *, int32, int32);
|
|
extern void lo_BeginLayerTag(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_EndLayer(MWContext *, lo_DocState *, PRBool);
|
|
extern void lo_BeginMulticolumn(MWContext *context, lo_DocState *state, PA_Tag *tag,
|
|
LO_MulticolumnStruct *multicolEle);
|
|
extern void lo_EndMulticolumn(MWContext *context, lo_DocState *state, PA_Tag *tag,
|
|
lo_MultiCol *multicol, Bool relayout);
|
|
extern void lo_AppendMultiColToLineList (MWContext *context, lo_DocState *state,
|
|
LO_MulticolumnStruct *multicol);
|
|
extern void lo_AppendZeroWidthAndHeightLF(MWContext *context, lo_DocState *state);
|
|
|
|
extern void lo_BeginTable(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_EndTable(MWContext *context, lo_DocState *state, lo_TableRec *table, Bool relayout);
|
|
|
|
extern void lo_BeginTableAttributes(MWContext *context,
|
|
lo_DocState *state,
|
|
char *align_attr,
|
|
char *border_attr,
|
|
char *border_top_attr,
|
|
char *border_bottom_attr,
|
|
char *border_left_attr,
|
|
char *border_right_attr,
|
|
char *border_color_attr,
|
|
char *border_style_attr,
|
|
char *vspace_attr,
|
|
char *hspace_attr,
|
|
char *bgcolor_attr,
|
|
char *background_attr,
|
|
char *width_attr,
|
|
char *height_attr,
|
|
char *cellpad_attr,
|
|
char *toppad_attr,
|
|
char *bottompad_attr,
|
|
char *leftpad_attr,
|
|
char *rightpad_attr,
|
|
char *cellspace_attr,
|
|
char *cols_attr);
|
|
|
|
extern void lo_BeginTableRow(MWContext *, lo_DocState *,lo_TableRec *,PA_Tag *);
|
|
|
|
void lo_BeginTableRowAttributes(MWContext *context,
|
|
lo_DocState *state,
|
|
lo_TableRec *table,
|
|
char *bgcolor_attr,
|
|
char *background_attr,
|
|
char *valign_attr,
|
|
char *halign_attr);
|
|
|
|
extern void lo_EndTableRow(MWContext *, lo_DocState *, lo_TableRec *);
|
|
extern void lo_BeginTableCell(MWContext *, lo_DocState *, lo_TableRec *,
|
|
PA_Tag *, Bool);
|
|
extern void lo_BeginTableCellAttributes(MWContext *context,
|
|
lo_DocState *state,
|
|
lo_TableRec *table,
|
|
char * colspan_attr,
|
|
char * rowspan_attr,
|
|
char * nowrap_attr,
|
|
char * bgcolor_attr,
|
|
char * background_attr,
|
|
lo_TileMode tile_mode,
|
|
char * valign_attr,
|
|
char * halign_attr,
|
|
char * width_attr,
|
|
char * height_attr,
|
|
Bool is_a_header,
|
|
Bool normal_borders);
|
|
|
|
extern void lo_EndTableCell(MWContext *, lo_DocState *, Bool relayout);
|
|
extern void lo_BeginTableCaption(MWContext *, lo_DocState *, lo_TableRec *,
|
|
PA_Tag *);
|
|
extern void lo_EndTableCaption(MWContext *, lo_DocState *);
|
|
extern int32 lo_GetSubDocBaseline(LO_SubDocStruct *);
|
|
extern int32 lo_GetCellBaseline(LO_CellStruct *);
|
|
extern LO_CellStruct *lo_CaptureLines(MWContext *, lo_DocState *,
|
|
int32, int32, int32, int32, int32);
|
|
extern LO_CellStruct *lo_SmallSquishSubDocToCell(MWContext *, lo_DocState *,
|
|
LO_SubDocStruct *, int32 *ptr_dx, int32 *ptr_dy);
|
|
extern LO_CellStruct *lo_SquishSubDocToCell(MWContext *, lo_DocState *,
|
|
LO_SubDocStruct *, Bool);
|
|
extern LO_Element *lo_JumpCellWall(MWContext *, lo_DocState *, LO_Element *);
|
|
|
|
extern LO_TextAttr *lo_GetElementTextAttr(LO_Element *element);
|
|
extern void lo_SetElementTextAttr(LO_Element *element, LO_TextAttr *attr);
|
|
extern void lo_GetElementBbox(LO_Element *element, XP_Rect *rect);
|
|
extern void lo_RefreshElement(LO_Element *element, CL_Layer *layer,
|
|
Bool update_now);
|
|
extern LO_AnchorData *lo_GetElementAnchor(LO_Element *element);
|
|
extern void lo_GetElementFGColor(LO_Element *element, LO_Color *color);
|
|
extern void lo_SetElementFGColor(LO_Element *element, LO_Color *color);
|
|
|
|
extern void lo_ShiftElementList(LO_Element *, int32, int32);
|
|
extern void lo_RenumberCell(lo_DocState *, LO_CellStruct *);
|
|
extern void lo_ShiftCell(LO_CellStruct *, int32, int32);
|
|
extern int32 lo_CleanTextWhitespace(char *, int32);
|
|
extern void lo_ProcessIsIndexTag(MWContext *, lo_DocState *, PA_Tag *);
|
|
extern void lo_EndForm(MWContext *, lo_DocState *);
|
|
extern void lo_RecycleElements(MWContext *, lo_DocState *, LO_Element *);
|
|
extern void lo_relayout_recycle(MWContext *context, lo_DocState *state,
|
|
LO_Element *elist);
|
|
extern LO_Element *lo_NewElement(MWContext *, lo_DocState *, intn,
|
|
ED_Element *, intn edit_offset);
|
|
#if DOM
|
|
extern void lo_SetNodeElement(lo_DocState *, LO_Element *);
|
|
#endif
|
|
extern void lo_AppendToLineList(MWContext *, lo_DocState *, LO_Element *,int32);
|
|
extern void lo_SetLineArrayEntry(lo_DocState *, LO_Element *, int32);
|
|
extern LO_Element *lo_FirstElementOfLine(MWContext *, lo_DocState *, int32);
|
|
extern void lo_ClipLines(MWContext *, lo_DocState *, int32);
|
|
extern void lo_SetDefaultFontAttr(lo_DocState *, LO_TextAttr *, MWContext *);
|
|
extern Bool lo_EvalTrueOrFalse(char *str, Bool default_val);
|
|
extern intn lo_EvalAlignParam(char *str, Bool *floating);
|
|
extern intn lo_EvalVAlignParam(char *str);
|
|
extern void lo_EvalStyleSheetAlignment(StyleStruct *, intn *, Bool *floating);
|
|
void lo_SetStyleSheetLayerProperties(MWContext *context,
|
|
lo_DocState *state,
|
|
StyleStruct *style_struct,
|
|
PA_Tag *tag);
|
|
char * lo_ParseStyleSheetURL(char *url_string);
|
|
extern intn lo_EvalCellAlignParam(char *str);
|
|
extern intn lo_EvalDivisionAlignParam(char *str);
|
|
extern PA_Block lo_ConvertToFELinebreaks(char *, int32, int32 *);
|
|
extern PA_Block lo_FEToNetLinebreaks(PA_Block);
|
|
extern void lo_CleanFormElementData(LO_FormElementData *);
|
|
extern Bool lo_SetNamedAnchor(lo_DocState *, PA_Block);
|
|
|
|
#ifdef DOM
|
|
extern Bool lo_SetNamedSpan(lo_DocState *, PA_Block);
|
|
extern void lo_SetColor( LO_Element *ele, LO_Color *color, lo_DocState *state,
|
|
Bool background);
|
|
#endif
|
|
|
|
extern void lo_AddNameList(lo_DocState *, lo_DocState *);
|
|
extern void lo_DisplayBuiltin(MWContext *, LO_BuiltinStruct *);
|
|
extern void lo_CheckNameList(MWContext *, lo_DocState *, int32);
|
|
extern int32 lo_StripTextWhitespace(char *, int32);
|
|
extern int32 lo_StripTextNewlines(char *, int32);
|
|
extern int32 lo_ResolveInputType(char *);
|
|
extern Bool lo_IsValidTarget(char *);
|
|
extern Bool lo_IsAnchorInDoc(lo_DocState *, char *);
|
|
|
|
extern void lo_DisplayElement(MWContext *context, LO_Element *tptr,
|
|
int32 base_x, int32 base_y,
|
|
int32 x, int32 y,
|
|
uint32 width, uint32 height);
|
|
extern void lo_DisplaySubtext(MWContext *context, LO_TextStruct *text,
|
|
int32 start_pos, int32 end_pos, Bool need_bg,
|
|
CL_Layer *sel_layer);
|
|
extern void lo_DisplayText(MWContext *, LO_TextStruct *, Bool);
|
|
extern void lo_DisplayEmbed(MWContext *, LO_EmbedStruct *);
|
|
extern void lo_DisplayJavaApp(MWContext *, LO_JavaAppStruct *);
|
|
extern void lo_DisplayImageWithoutCompositor(MWContext *, LO_ImageStruct *);
|
|
extern void lo_DisplaySubImageWithoutCompositor(MWContext *, LO_ImageStruct *,
|
|
int32, int32, uint32, uint32);
|
|
extern void lo_ClipImage(MWContext *, LO_ImageStruct *,
|
|
int32, int32, uint32, uint32);
|
|
extern void lo_DisplaySubDoc(MWContext *, LO_SubDocStruct *);
|
|
extern void lo_DisplayCell(MWContext *, LO_CellStruct *);
|
|
extern void lo_DisplayCellContents(MWContext *context, LO_CellStruct *cell,
|
|
int32 base_x, int32 base_y,
|
|
int32 x, int32 y,
|
|
uint32 width, uint32 height);
|
|
extern void lo_DisplayEdge(MWContext *, LO_EdgeStruct *);
|
|
extern void lo_DisplayTable(MWContext *, LO_TableStruct *);
|
|
extern void lo_DisplayLineFeed(MWContext *, LO_LinefeedStruct *, Bool);
|
|
extern void lo_DisplayHR(MWContext *, LO_HorizRuleStruct *);
|
|
extern void lo_DisplayBullet(MWContext *, LO_BullettStruct *);
|
|
extern void lo_DisplayFormElement(MWContext *, LO_FormElementStruct *);
|
|
extern void LO_HighlightSelection(MWContext *, Bool);
|
|
|
|
extern void lo_RefreshDocumentArea(MWContext *, lo_DocState *,
|
|
int32, int32, uint32, uint32);
|
|
|
|
extern intn lo_GetCurrentGridCellStatus(lo_GridCellRec *);
|
|
extern char *lo_GetCurrentGridCellUrl(lo_GridCellRec *);
|
|
extern void lo_GetGridCellMargins(MWContext *, int32 *, int32 *);
|
|
extern LO_Element *lo_XYToGridEdge(MWContext *, lo_DocState *, int32, int32);
|
|
extern LO_Element *lo_XYToDocumentElement(MWContext *, lo_DocState *,
|
|
int32, int32, Bool, Bool, Bool, int32 *, int32 *);
|
|
extern LO_Element *lo_XYToDocumentElement2(MWContext *, lo_DocState *,
|
|
int32, int32, Bool, Bool, Bool, Bool, int32 *, int32 *);
|
|
extern LO_Element *lo_XYToCellElement(MWContext *, lo_DocState *,
|
|
LO_CellStruct *, int32, int32, Bool, Bool, Bool);
|
|
extern LO_Element *lo_XYToNearestCellElement(MWContext *, lo_DocState *,
|
|
LO_CellStruct *, int32, int32);
|
|
extern void lo_RegionToLines (MWContext *, lo_DocState *, int32 x, int32 y,
|
|
uint32 width, uint32 height, Bool dontCrop,
|
|
int32* topLine, int32* bottomLine);
|
|
extern int32 lo_PointToLine (MWContext *, lo_DocState *, int32 x, int32 y);
|
|
extern void lo_FormatBuiltinObject(MWContext*, lo_DocState*, PA_Tag*, LO_BuiltinStruct*, Bool,
|
|
uint32 count, char** names, char** values);
|
|
extern void lo_GetLineEnds(MWContext *, lo_DocState *,
|
|
int32 line, LO_Element** retBegin, LO_Element** retEnd);
|
|
extern void lo_CalcAlignOffsets(lo_DocState *, LO_TextInfo *, intn,
|
|
int32, int32, int16 *, int32 *, int32 *, int32 *);
|
|
extern intn LO_CalcPrintArea(MWContext *, int32 x, int32 y,
|
|
uint32 width, uint32 height, int32* top, int32* bottom);
|
|
extern Bool lo_FindWord(MWContext *, lo_DocState *,
|
|
LO_Position *where, LO_Selection *word);
|
|
|
|
/* Object */
|
|
extern void lo_FormatObject(MWContext*, lo_DocState*, PA_Tag*);
|
|
extern void lo_ObjectParam(MWContext*, lo_DocState*, PA_Tag*, uint32*, char***, char***);
|
|
extern void lo_ProcessObjectTag(MWContext*, lo_DocState*, PA_Tag*, Bool);
|
|
extern void lo_ProcessParamTag(MWContext*, lo_DocState*, PA_Tag*, Bool);
|
|
extern void lo_FormatEmbedObject(MWContext*, lo_DocState*, PA_Tag*, LO_EmbedStruct*, Bool,
|
|
uint32 count, char** names, char** values);
|
|
extern void lo_FormatJavaObject(MWContext *context, lo_DocState *state,
|
|
PA_Tag *tag, LO_JavaAppStruct *object);
|
|
extern void lo_AppendParamList(uint32* count1, char*** names1, char*** values1,
|
|
uint32 count2, char** names2, char** values2);
|
|
extern void lo_DeleteObjectStack(lo_ObjectStack*);
|
|
|
|
extern void lo_BlockTag(MWContext *context, lo_DocState *state,
|
|
PA_Tag *tag);
|
|
extern void lo_ReflectFormElement(MWContext *context,
|
|
lo_DocState *doc_state, PA_Tag *tag,
|
|
LO_FormElementStruct *form_element);
|
|
|
|
|
|
extern void lo_ProcessSuperElement(MWContext *context,
|
|
lo_DocState *state,
|
|
LO_SuperStruct *super);
|
|
extern void lo_ProcessSubElement(MWContext *context,
|
|
lo_DocState *state,
|
|
LO_SubStruct *sub);
|
|
extern void lo_ProcessParagraphElement(MWContext *context, lo_DocState **state,
|
|
LO_ParagraphStruct *paragraph,
|
|
XP_Bool in_relayout);
|
|
|
|
extern void lo_ProcessCenterElement(MWContext *context, lo_DocState **state,
|
|
LO_CenterStruct *center,
|
|
XP_Bool in_relayout);
|
|
|
|
extern void lo_ProcessMulticolumnElement(MWContext *context,
|
|
lo_DocState **state,
|
|
LO_MulticolumnStruct *multicolumn);
|
|
|
|
extern void lo_ProcessDescTitleElement(MWContext *context,
|
|
lo_DocState *state,
|
|
LO_DescTitleStruct *title,
|
|
XP_Bool in_relayout);
|
|
extern void lo_ProcessDescTextElement(MWContext *context,
|
|
lo_DocState *state,
|
|
LO_DescTextStruct *text,
|
|
XP_Bool in_relayout);
|
|
extern void lo_ProcessBlockQuoteElement(MWContext *context,
|
|
lo_DocState *state,
|
|
LO_BlockQuoteStruct *quote,
|
|
XP_Bool in_relayout);
|
|
|
|
/*
|
|
* Functions that get called from layout and non-destructive relayout
|
|
*
|
|
*/
|
|
extern void lo_FillInImageGeometry( lo_DocState *state, LO_ImageStruct *image );
|
|
extern void lo_LayoutFloatImage( MWContext *context, lo_DocState *state, LO_ImageStruct *image, Bool updateFE );
|
|
extern void lo_LayoutInflowImage(MWContext *context, lo_DocState *state, LO_ImageStruct *image,
|
|
Bool inRelayout, int32 *line_inc, int32 *baseline_inc);
|
|
extern void lo_UpdateStateAfterImageLayout( lo_DocState *state, LO_ImageStruct *image, int32 line_inc, int32 baseline_inc );
|
|
|
|
extern void lo_FillInJavaAppGeometry(lo_DocState *state, LO_JavaAppStruct *java_app, Bool relayout);
|
|
extern void lo_LayoutFloatJavaApp( MWContext *context, lo_DocState *state, LO_JavaAppStruct *java_app, Bool updateFE );
|
|
extern void lo_LayoutInflowJavaApp(MWContext *context, lo_DocState *state, LO_JavaAppStruct *java_app,
|
|
Bool inRelayout, int32 *line_inc, int32 *baseline_inc);
|
|
extern void lo_UpdateStateAfterJavaAppLayout( lo_DocState *state, LO_JavaAppStruct *java_app,
|
|
int32 line_inc, int32 baseline_inc );
|
|
|
|
extern void lo_FillInEmbedGeometry(lo_DocState *state, LO_EmbedStruct *embed, Bool relayout);
|
|
extern void lo_LayoutInflowEmbed(MWContext *context, lo_DocState *state, LO_EmbedStruct *embed,
|
|
Bool inRelayout, int32 *line_inc, int32 *baseline_inc);
|
|
extern void lo_LayoutInflowBuiltin(MWContext *context, lo_DocState *state, LO_BuiltinStruct *builtin,
|
|
Bool inRelayout, int32 *line_inc, int32 *baseline_inc);
|
|
extern void lo_LayoutFloatEmbed(MWContext *context, lo_DocState *state, LO_EmbedStruct *embed, Bool updateFE);
|
|
extern void lo_UpdateStateAfterEmbedLayout( lo_DocState *state, LO_EmbedStruct *embed,
|
|
int32 line_inc, int32 baseline_inc );
|
|
|
|
extern void lo_LayoutInflowFormElement(MWContext *context, lo_DocState *state, LO_FormElementStruct *form_element,
|
|
int32 *baseline_inc, Bool inRelayout);
|
|
extern void lo_UpdateStateAfterFormElement(MWContext *context, lo_DocState *state, LO_FormElementStruct *form_element,
|
|
int32 baseline_inc);
|
|
|
|
extern void lo_StartHorizontalRuleLayout(MWContext *, lo_DocState *, LO_HorizRuleStruct*);
|
|
extern void lo_FillInHorizontalRuleGeometry(MWContext *context, lo_DocState *state, LO_HorizRuleStruct *hrule);
|
|
extern void lo_FinishHorizontalRuleLayout(MWContext *, lo_DocState *, LO_HorizRuleStruct*);
|
|
extern void lo_UpdateStateAfterHorizontalRule(lo_DocState *state, LO_HorizRuleStruct *hrule);
|
|
|
|
extern void lo_FormatBullet(MWContext *context, lo_DocState *state,
|
|
LO_BulletStruct *bullet,
|
|
int32 *line_height,
|
|
int32 *baseline);
|
|
extern void lo_UpdateStateAfterBullet(MWContext *context, lo_DocState *state,
|
|
LO_BulletStruct *bullet,
|
|
int32 line_height,
|
|
int32 baseline);
|
|
|
|
extern void lo_FormatBulletStr(MWContext *context, lo_DocState *state,
|
|
LO_TextStruct *bullet_text,
|
|
int32 *line_height,
|
|
int32 *baseline);
|
|
extern void lo_UpdateStateAfterBulletStr(MWContext *context, lo_DocState *state,
|
|
LO_TextStruct *bullet_text,
|
|
int32 line_height,
|
|
int32 baseline);
|
|
|
|
extern void lo_SetupStateForList(MWContext *context,
|
|
lo_DocState *state,
|
|
LO_ListStruct *list,
|
|
XP_Bool in_resize_reflow);
|
|
extern void lo_UpdateStateAfterList(MWContext *context,
|
|
lo_DocState *state,
|
|
LO_ListStruct *list,
|
|
XP_Bool in_resize_reflow);
|
|
|
|
extern void lo_UpdateStateAfterLineBreak( MWContext *context, lo_DocState *state, Bool updateFE);
|
|
extern void lo_UpdateFEProgressBar( MWContext *context, lo_DocState *state );
|
|
extern void lo_UpdateFEDocSize( MWContext *context, lo_DocState *state );
|
|
extern void lo_FillInLineFeed( MWContext *context, lo_DocState *state, int32 break_type, uint32 clear_type, LO_LinefeedStruct *linefeed );
|
|
|
|
extern void lo_UpdateStateWhileFlushingLine( MWContext *context, lo_DocState *state );
|
|
extern void lo_AppendLineFeed( MWContext *context, lo_DocState *state, LO_LinefeedStruct *linefeed, int32 breaking, Bool updateFE );
|
|
extern void lo_UpdateStateAfterFlushingLine( MWContext *context, lo_DocState *state, LO_LinefeedStruct *linefeed, Bool inRelayout );
|
|
extern void lo_AppendFloatInLineList( MWContext *context, lo_DocState *state, LO_Element *ele, LO_Element *restOfLine);
|
|
|
|
/*
|
|
* Common code for layout and relayout of tables
|
|
*/
|
|
extern void lo_PositionTableElement(lo_DocState *state, LO_TableStruct *table_ele);
|
|
extern void lo_SetTableDimensions( lo_DocState *state, lo_TableRec *table, int32 allow_percent_width, int32 allow_percent_height);
|
|
extern void lo_CalcFixedColWidths( MWContext *context, lo_DocState *state, lo_TableRec *table);
|
|
extern void lo_UpdateStateAfterBeginTable( lo_DocState *state, lo_TableRec *table);
|
|
extern void lo_UpdateTableStateForBeginRow(lo_TableRec *table, lo_TableRow *table_row);
|
|
extern void lo_InitForBeginCell(lo_TableRow *table_row, lo_TableCell *table_cell);
|
|
extern void lo_InitSubDocForBeginCell( MWContext *context, lo_DocState *state, lo_TableRec *table);
|
|
extern void lo_InitTableRecord( lo_TableRec *table );
|
|
extern void lo_CreateCellFromSubDoc( MWContext *context, lo_DocState *state, LO_SubDocStruct *subdoc, LO_CellStruct *cell, int32 *ptr_dx, int32 *ptr_dy );
|
|
extern void lo_EndLayoutDuringReflow( MWContext *context, lo_DocState *state );
|
|
extern void lo_AppendLineListToLineArray( MWContext *context, lo_DocState *state, LO_Element *lastElementOnLineList);
|
|
|
|
/* Common code for layout and relayout of multicols */
|
|
extern void lo_StartMultiColInit( lo_DocState *state, lo_MultiCol *multicol );
|
|
extern void lo_SetupStateForBeginMulticol( lo_DocState *state, lo_MultiCol *multicol, int32 doc_width );
|
|
|
|
/* Common code for layout and relayout of spacers */
|
|
extern void lo_LayoutSpacerElement(MWContext *context, lo_DocState *state, LO_SpacerStruct *spacer, Bool relayout);
|
|
|
|
/*
|
|
* Adds a soft line break to the end of the line list and adds the line list to the line array.
|
|
* Resets line list to NULL. Should be used during relayout only.
|
|
*/
|
|
|
|
extern void lo_rl_AddSoftBreakAndFlushLine( MWContext *context, lo_DocState *state );
|
|
extern void lo_rl_AddBreakAndFlushLine( MWContext *context, lo_DocState *state, int32 break_type, uint32 clear_type, Bool breaking);
|
|
extern void lo_rl_AppendLinefeedAndFlushLine( MWContext *context, lo_DocState *state, LO_LinefeedStruct *linefeed, int32 break_type, uint32 clear_type,
|
|
Bool breaking, Bool createNewLF);
|
|
extern void lo_FillInLineFeed( MWContext *context, lo_DocState *state, int32 break_type, uint32 clear_type, LO_LinefeedStruct *linefeed );
|
|
|
|
extern void lo_rl_ReflowCell( MWContext *context, lo_DocState *state, LO_CellStruct *cell);
|
|
extern void lo_rl_ReflowDocState( MWContext *context, lo_DocState *state );
|
|
extern void lo_PrepareElementForReuse( MWContext *context, lo_DocState *state, LO_Element * eptr,
|
|
ED_Element *edit_element, intn edit_offset);
|
|
extern void LO_Reflow(MWContext *context, lo_DocState * state, LO_Element *startElement,
|
|
LO_Element *endElement);
|
|
|
|
extern Bool lo_IsDummyLayoutElement(LO_Element *ele);
|
|
|
|
/* Useful Macros */
|
|
|
|
#define COPY_COLOR(from_color, to_color) \
|
|
to_color.red = from_color.red; \
|
|
to_color.green = from_color.green; \
|
|
to_color.blue = from_color.blue
|
|
|
|
|
|
extern Bool lo_FindBestPositionOnLine( MWContext *pContext,
|
|
lo_DocState* state, int32 iLine,
|
|
int32 iDesiredX, int32 iDesiredY,
|
|
Bool bForward, int32* pRetX, int32 *pRetY );
|
|
|
|
extern LO_Element * lo_GetLastElementInList( LO_Element *eleList );
|
|
|
|
#ifdef EDITOR
|
|
|
|
#ifdef DEBUG
|
|
/* lo_VerifyLayout does a consistency check on the layout structure.
|
|
* returns TRUE if the layout structure is consistent. */
|
|
extern Bool lo_VerifyLayout(MWContext *pContext);
|
|
|
|
/* PrintLayout prints the layout structure. */
|
|
extern void lo_PrintLayout(MWContext *pContext);
|
|
extern Bool
|
|
lo_VerifyList( MWContext *pContext, lo_TopState* top_state,
|
|
lo_DocState* state,
|
|
LO_Element* start,
|
|
LO_Element* end,
|
|
LO_Element* floating,
|
|
Bool print);
|
|
|
|
#endif /* DEBUG */
|
|
|
|
#endif /* EDITOR */
|
|
|
|
/*
|
|
* Returns length in selectable parts of this element. 1 for images, length of text for text, etc.
|
|
*/
|
|
int32
|
|
lo_GetElementLength(LO_Element* eptr);
|
|
|
|
extern Bool lo_EditableElement(int iType);
|
|
|
|
/* Moves by one editable position forward or backward. Returns FALSE if it couldn't.
|
|
* position can be denormalized on entry and may be denormalized on exit.
|
|
*/
|
|
|
|
Bool
|
|
lo_BumpEditablePosition(MWContext *context, lo_DocState *state,
|
|
LO_Element **pEptr, int32 *pPosition, Bool direction);
|
|
|
|
Bool
|
|
lo_IsEmptyTag(TagType type);
|
|
|
|
#ifdef MOCHA
|
|
|
|
extern lo_TopState *
|
|
lo_GetMochaTopState(MWContext *context);
|
|
|
|
extern void
|
|
lo_BeginReflectForm(MWContext *context, lo_DocState *state, PA_Tag *tag,
|
|
lo_FormData *form);
|
|
|
|
extern void
|
|
lo_EndReflectForm(MWContext *context, lo_FormData *form);
|
|
|
|
extern void
|
|
lo_ReflectImage(MWContext *context, lo_DocState *doc_state, PA_Tag *tag,
|
|
LO_ImageStruct *image_data, Bool blocked, int32 layer_id);
|
|
|
|
extern void
|
|
lo_ReflectNamedAnchor(MWContext *context, lo_DocState *state, PA_Tag *tag,
|
|
lo_NameList *name_rec, int32 layer_id);
|
|
|
|
#ifdef DOM
|
|
extern void
|
|
lo_ReflectSpan(MWContext *context, lo_DocState *doc_state, PA_Tag *tag,
|
|
lo_NameList *name_rec, int32 layer_id);
|
|
#endif
|
|
|
|
extern void
|
|
lo_ReflectLink(MWContext *context, lo_DocState *state, PA_Tag *tag,
|
|
LO_AnchorData *anchor_data, int32 layer_id, uint index);
|
|
|
|
extern XP_Bool
|
|
lo_ProcessContextEventHandlers(MWContext *context, lo_DocState *state,
|
|
PA_Tag *tag);
|
|
|
|
extern void
|
|
lo_RestoreContextEventHandlers(MWContext *context, lo_DocState *state,
|
|
PA_Tag *tag, SHIST_SavedData *saved_data);
|
|
|
|
extern void
|
|
lo_ProcessScriptTag(MWContext *context, lo_DocState *state, PA_Tag *tag,
|
|
struct JSObject * /* scope to use. can be NULL */);
|
|
|
|
|
|
extern XP_Bool
|
|
lo_ProcessStyleAttribute(MWContext *context, lo_DocState *state, PA_Tag *tag, char *script_buff);
|
|
|
|
extern void
|
|
lo_ProcessStyleTag(MWContext *context, lo_DocState *state, PA_Tag *tag);
|
|
|
|
extern void
|
|
lo_BlockScriptTag(MWContext *context, lo_DocState *state, PA_Tag *tag);
|
|
#endif /* MOCHA */
|
|
|
|
extern lo_DocLists *
|
|
lo_GetCurrentDocLists(lo_DocState *state);
|
|
|
|
extern lo_DocLists *
|
|
lo_GetDocListsById(lo_DocState *state, int32 id);
|
|
|
|
Bool
|
|
lo_CloneTagAndBlockLayout(MWContext *context, lo_DocState *state, PA_Tag *tag);
|
|
|
|
void
|
|
lo_UnblockLayout(MWContext *context, lo_TopState *top_state);
|
|
|
|
void
|
|
lo_UnblockLayoutAndFreeExtraElement(MWContext *context);
|
|
|
|
extern void
|
|
lo_SetBaseUrl(lo_TopState *top_state, char *url, Bool is_blocked);
|
|
|
|
extern void
|
|
lo_FlushedBlockedTags(lo_TopState *top_state);
|
|
|
|
extern int32 *
|
|
lo_parse_coord_list(char *str, int32 *value_cnt, Bool must_be_odd);
|
|
|
|
extern void
|
|
lo_add_leading_bullets(MWContext *context, lo_DocState *state,
|
|
int32 start,int32 end,int32 mquote_x);
|
|
|
|
extern void
|
|
lo_TeardownList(MWContext *context, lo_DocState *state, PA_Tag *tag);
|
|
|
|
|
|
extern void
|
|
lo_SetDocumentDimension( MWContext* context, lo_DocState *state );
|
|
|
|
extern void
|
|
lo_ScriptEvalExitFn(void * data, char * str, size_t len, char * wysiwyg_url,
|
|
char * base_href, Bool valid);
|
|
|
|
extern Bool
|
|
lo_ConvertMochaEntities(MWContext * pContext, lo_DocState *state, PA_Tag * tag);
|
|
|
|
extern void
|
|
lo_EditorReflow(MWContext *pContext, ED_TagCursor *pCursor,
|
|
int32 iStartLine, int iStartEditOffset);
|
|
|
|
/* Reflow contents of a cell into a new docstate, then merge back into table */
|
|
extern void
|
|
lo_EditorCellReflow(MWContext *context, ED_TagCursor *pCursor, LO_CellStruct *pCell);
|
|
|
|
|
|
/********************** Image observers and observer lists. ******************/
|
|
/* The layout observer for an image request. */
|
|
extern void
|
|
lo_ImageObserver(XP_Observable observable, XP_ObservableMsg message,
|
|
void *message_data, void *closure);
|
|
|
|
/* Create a new observer list which will be passed into to IL_GetImage (via
|
|
FE_GetImageInfo) in order to permit an Image Library request to be
|
|
monitored. The layout image observer is added to this new observer list
|
|
before the function returns. */
|
|
extern XP_ObserverList
|
|
lo_NewImageObserverList(MWContext *context, LO_ImageStruct *lo_image);
|
|
|
|
|
|
/* #ifndef NO_TAB_NAVIGATION */
|
|
extern lo_MapAreaRec *LO_getTabableMapArea(MWContext *context, LO_ImageStruct *image, int32 wantedIndex );
|
|
extern Bool LO_findApointInArea( lo_MapAreaRec *pArea, int32 *xx, int32 *yy );
|
|
/* NO_TAB_NAVIGATION */
|
|
|
|
/****************************************************************************/
|
|
/* Converts ("snaps") input X, Y (doc coordinates) to X, Y needed for drop caret
|
|
* and calls appropriate front-end FE_Display<Text|Generic|Image>Caret to use show where
|
|
* a drop would occur. It does NOT change current selection or internal caret position
|
|
* Returns the element that we will drop at and position
|
|
* within this element for text data
|
|
*/
|
|
LO_Element * lo_PositionDropCaret(MWContext *pContext, int32 x, int32 y, int32 * pPosition);
|
|
|
|
void
|
|
lo_free_layout_state_data(MWContext *context, lo_DocState *state);
|
|
|
|
extern void
|
|
lo_use_default_doc_background(MWContext *context, lo_DocState *state);
|
|
|
|
Bool
|
|
lo_BindNamedAnchorToElement(lo_DocState *state, PA_Block name,
|
|
LO_Element *element);
|
|
|
|
#ifdef DOM
|
|
Bool
|
|
lo_BindNamedSpanToElement(lo_DocState *state, PA_Block name,
|
|
LO_Element *element);
|
|
|
|
LO_SpanStruct * lo_FindParentSpan( LO_Element *ele );
|
|
#endif
|
|
|
|
/* Return the table element containing the given element (usually a LO_CELL type) */
|
|
LO_TableStruct *lo_GetParentTable(MWContext *pContext, LO_Element *pElement);
|
|
|
|
/* Return the cell element containing the given element */
|
|
LO_CellStruct *lo_GetParentCell(MWContext *pContext, LO_Element *pElement);
|
|
|
|
/* Find the first cell with with closest left border x-value less than the given x
|
|
* value or, if bGetColumn=FALSE, find the cell with closest top border y-value less
|
|
* than the given Y value. Also returns the pointer to the last LO element in row/column so
|
|
* we can search for other cells until last is reached.
|
|
* pElement is any element in the table
|
|
* This is most efficient if pElement is LO_TABLE containg cursor,
|
|
* very efficient if pElement is LO_CELL,
|
|
* and least if any other type (must search through all nested tables to find enclosing cell)
|
|
*/
|
|
LO_Element* lo_GetFirstCellInColumnOrRow(MWContext *pContext, LO_Element *pElement, int32 x, int32 y, XP_Bool bGetColumn, LO_Element **ppLastCellInTable);
|
|
|
|
/* Get next cell. If x or y is 0, use values from previous call or lo_GetFirstCellInColumnOrRow */
|
|
LO_Element* lo_GetNextCellInColumnOrRow(MWContext *pContext, int32 x, int32 y, LO_Element *pElement, XP_Bool bGetColumn);
|
|
|
|
/* Returns first cell in table, and last cell if pLastCell != NULL
|
|
* pElement can be any LO_Element in the table (quickest search if it is a LO_TABLE or LO_CELL)
|
|
*/
|
|
LO_Element *lo_GetFirstAndLastCellsInTable(MWContext *pContext, LO_Element *pElement, LO_Element **ppLastCell);
|
|
|
|
/* Find first and last cell from any cell in the table
|
|
* pElement->type MUST be LO_CELL
|
|
*/
|
|
LO_Element *lo_GetFirstAndLastCellsInColumnOrRow(LO_Element *pElement, LO_Element **ppLastCell, XP_Bool bInColumn);
|
|
|
|
/* Check if all cells containing given cell are selected */
|
|
XP_Bool lo_AllCellsSelectedInColumnOrRow(LO_CellStruct *pCell, XP_Bool bInColumn );
|
|
|
|
int32 lo_GetNumberOfCellsInTable(LO_TableStruct *pTable );
|
|
|
|
/* Subtract borders and inter-cell spacing to get the available table width
|
|
* to use when cell width in HTML is "percent of table"
|
|
* Element MUST be of type LO_CELL (LO_CellStruct not used to avoid unecessary casting)
|
|
*/
|
|
int32 lo_CalcTableWidthForPercentMode(LO_Element *pCellElement);
|
|
|
|
/* The LO_CellStruct.width does not include border, cell padding etc and is complicated
|
|
* by Column Span as well. Calculate the value to use for <TD WIDTH> param that
|
|
* would result in current pCellElement->lo_cell.width during the next layout
|
|
*/
|
|
int32 lo_GetCellTagWidth(LO_Element *pCellElement);
|
|
|
|
/* Similar calculation for height. Unfortunately, there are differences from width.
|
|
* e.g., the cell border must be subtracted from width, but not height! (a bug?)
|
|
*/
|
|
int32 lo_GetCellTagHeight(LO_Element *pCellElement);
|
|
|
|
/* Helpers to access the lo_TableCell members now accessible through the LO_CellStruct */
|
|
int32 lo_GetRowSpan(LO_Element *pCellElement);
|
|
int32 lo_GetColSpan(LO_Element *pCellElement);
|
|
int32 lo_GetCellPadding(LO_Element *pCellElement);
|
|
|
|
lo_DocState * lo_CreateStateForCellLayout(MWContext *context, LO_CellStruct *cell);
|
|
void lo_RebuildCell(MWContext *context, lo_DocState *state, LO_CellStruct *cell);
|
|
|
|
#endif /* _Layout_h_ */
|