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C/C++ Source or Header | 1998-04-08 | 34.2 KB | 1,318 lines

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- * * The contents of this file are subject to the Netscape Public License * Version 1.0 (the "NPL"); you may not use this file except in * compliance with the NPL. You may obtain a copy of the NPL at * http://www.mozilla.org/NPL/ * * Software distributed under the NPL is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL * for the specific language governing rights and limitations under the * NPL. * * The Initial Developer of this code under the NPL is Netscape * Communications Corporation. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. All Rights * Reserved. */ /****************** * Structures used by the layout engine which will be passed * on to the front end in the front-end to layout interface * functions. * * All the major element structures have an entry * called FE_Data. This is to be used by the front end to * store front-end specific data that the layout ill pass * back to it later. ******************/ #ifndef _LayoutElements_ #define _LayoutElements_ #include "xp_core.h" #include "xp_mem.h" #include "xp_rect.h" #include "cl_types.h" #include "ntypes.h" #include "edttypes.h" #include "il_types.h" /* * Colors - some might say that some of this should be user-customizable. */ #define LO_DEFAULT_FG_RED 0 #define LO_DEFAULT_FG_GREEN 0 #define LO_DEFAULT_FG_BLUE 0 #define LO_DEFAULT_BG_RED 192 #define LO_DEFAULT_BG_GREEN 192 #define LO_DEFAULT_BG_BLUE 192 #define LO_UNVISITED_ANCHOR_RED 0 #define LO_UNVISITED_ANCHOR_GREEN 0 #define LO_UNVISITED_ANCHOR_BLUE 238 #define LO_VISITED_ANCHOR_RED 85 #define LO_VISITED_ANCHOR_GREEN 26 #define LO_VISITED_ANCHOR_BLUE 139 #define LO_SELECTED_ANCHOR_RED 255 #define LO_SELECTED_ANCHOR_GREEN 0 #define LO_SELECTED_ANCHOR_BLUE 0 /* * Color enumeration for getting/setting defaults */ #define LO_COLOR_BG 0 #define LO_COLOR_FG 1 #define LO_COLOR_LINK 2 #define LO_COLOR_VLINK 3 #define LO_COLOR_ALINK 4 #define LO_NCOLORS 5 /* * Values for scrolling grid cells to control scrollbars * AUTO means only use them if needed. */ #define LO_SCROLL_NO 0 #define LO_SCROLL_YES 1 #define LO_SCROLL_AUTO 2 #define LO_SCROLL_NEVER 3 /* * Relative font sizes that the user can tweak from the FE */ #define XP_SMALL 1 #define XP_MEDIUM 2 #define XP_LARGE 3 /* -------------------------------------------------------------------------- * Layout bit flags for text and bullet types */ #define LO_UNKNOWN -1 #define LO_NONE 0 #define LO_TEXT 1 #define LO_LINEFEED 2 #define LO_HRULE 3 #define LO_IMAGE 4 #define LO_BULLET 5 #define LO_FORM_ELE 6 #define LO_SUBDOC 7 #define LO_TABLE 8 #define LO_CELL 9 #define LO_EMBED 10 #define LO_EDGE 11 #define LO_JAVA 12 #define LO_SCRIPT 13 #define LO_OBJECT 14 #define LO_PARAGRAPH 15 #define LO_CENTER 16 #define LO_MULTICOLUMN 17 #define LO_FLOAT 18 #define LO_TEXTBLOCK 19 #define LO_LIST 20 #define LO_DESCTITLE 21 #define LO_DESCTEXT 22 #define LO_BLOCKQUOTE 23 #define LO_LAYER 24 #define LO_HEADING 25 #define LO_SPAN 26 #define LO_DIV 27 #define LO_SPACER 28 #define LO_FONT_NORMAL 0x0000 #define LO_FONT_BOLD 0x0001 #define LO_FONT_ITALIC 0x0002 #define LO_FONT_FIXED 0x0004 #define LO_ATTR_ANCHOR 0x0008 #define LO_ATTR_UNDERLINE 0x0010 #define LO_ATTR_STRIKEOUT 0x0020 #define LO_ATTR_BLINK 0x0040 #define LO_ATTR_ISMAP 0x0080 #define LO_ATTR_ISFORM 0x0100 #define LO_ATTR_DISPLAYED 0x0200 #define LO_ATTR_BACKDROP 0x0400 #define LO_ATTR_STICKY 0x0800 #define LO_ATTR_INTERNAL_IMAGE 0x1000 #define LO_ATTR_MOCHA_IMAGE 0x2000 /* Image loaded at behest of JavaScript */ #define LO_ATTR_ON_IMAGE_LIST 0x4000 /* Image on top_state->image_list */ #define LO_ATTR_CELL_BACKDROP 0x8000 #define LO_ATTR_SPELL 0x00010000 #define LO_ATTR_INLINEINPUT 0x00020000 #define LO_ATTR_INLINEINPUTTHICK 0x00040000 #define LO_ATTR_INLINEINPUTDOTTED 0x00080000 #define LO_ATTR_LAYER_BACKDROP 0x00100000 /* * Different bullet types. The front end should only ever see * bullets of type BULLET_ROUND and BULLET_SQUARE */ #define BULLET_NONE 0 #define BULLET_BASIC 1 #define BULLET_NUM 2 #define BULLET_NUM_L_ROMAN 3 #define BULLET_NUM_S_ROMAN 4 #define BULLET_ALPHA_L 5 #define BULLET_ALPHA_S 6 #define BULLET_ROUND 7 #define BULLET_SQUARE 8 #define BULLET_MQUOTE 9 /* A bullet type of WORDBREAK in a LO_TEXT element tells the relayout code to skip that text element. */ #define WORDBREAK 10 /* * Different border types. */ #define BORDER_NONE 0 #define BORDER_DOTTED 1 #define BORDER_DASHED 2 #define BORDER_SOLID 3 #define BORDER_DOUBLE 4 #define BORDER_GROOVE 5 #define BORDER_RIDGE 6 #define BORDER_INSET 7 #define BORDER_OUTSET 8 /* Values for flag in LO_AnchorData */ #define ANCHOR_SUPPRESS_FEEDBACK 1 /* * Generic union of all the possible element structure types. * Defined at end of file. */ union LO_Element_struct; /* * Anchors can be targeted to named windows now, so anchor data is * more than just a URL, it is a URL, and a possible target window * name. */ struct LO_AnchorData_struct { PA_Block anchor; /* really a (char *) */ PA_Block target; /* really a (char *) */ PA_Block alt; /* really a (char *) */ #ifdef MOCHA LO_Element *element; /* Needed for mocha reflection of layout position. */ CL_Layer *layer; /* Layer containing anchor */ struct JSObject *mocha_object; XP_Bool event_handler_present; /*Indicates whether there's a JS handler */ #endif uint8 flags; /* Indicates whether to suppress visual feedback */ double prevalue; /* <A HREF="http://gagan/PrefetchingThoughts.html" PRE=0.5> */ }; /* * Basic RGB triplet */ struct LO_Color_struct { uint8 red, green, blue; }; /* * Contains initialization parameters for new layers. Exported here * so that mocha can set these on resize. */ /* Possible values for clip_policy */ #define LO_AUTO_EXPAND_NONE 0x00 #define LO_AUTO_EXPAND_CLIP_BOTTOM 0x01 #define LO_AUTO_EXPAND_CLIP_RIGHT 0x02 #define LO_AUTO_EXPAND_CLIP_TOP 0x04 #define LO_AUTO_EXPAND_CLIP_LEFT 0x08 #define LO_AUTO_EXPAND_CLIP (LO_AUTO_EXPAND_CLIP_LEFT | \ LO_AUTO_EXPAND_CLIP_RIGHT | \ LO_AUTO_EXPAND_CLIP_TOP | \ LO_AUTO_EXPAND_CLIP_BOTTOM) typedef struct LO_BlockInitializeStruct_struct { XP_Bool has_left; int32 left; XP_Bool has_top; int32 top; XP_Bool has_width; int32 width; XP_Bool has_height; int32 height; char *name; char *id; char *above; char *below; XP_Bool has_zindex; int32 zindex; char *visibility; char *bgcolor; XP_Bool is_style_bgcolor; char *bgimage; char *src; XP_Rect *clip; int clip_expansion_policy; char *overflow; PA_Tag *tag; PA_Tag *ss_tag; } LO_BlockInitializeStruct; /* * Attributes of the text we are currently drawing in. * * if font weight is specified then the "bold" fontmask attribute * should be ignored * * if font face is specified then the "fixed" fontmask attribute * should be ignored */ struct LO_TextAttr_struct { int16 size; int32 fontmask; /* bold, italic, fixed */ LO_Color fg, bg; Bool no_background; /* unused, text on image? */ int32 attrmask; /* anchor, underline, strikeout, blink(gag) */ char *font_face; double point_size; /* 1.0pt through 72.0pt and above */ uint16 font_weight; /* 100, 200, ... 900 */ void *FE_Data; /* For the front end to store font IDs */ struct LO_TextAttr_struct *next; /* to chain in hash table */ int16 charset; }; /* * Information about the current text segment as rendered * by the front end that the layout engine can use to place * the text segment. */ struct LO_TextInfo_struct { intn max_width; int16 ascent, descent; int16 lbearing, rbearing; }; /* * Bit flags for the ele_attrmask. */ #define LO_ELE_BREAKABLE 0x0001 #define LO_ELE_SECURE 0x0002 #define LO_ELE_SELECTED 0x0004 #define LO_ELE_BREAKING 0x0008 #define LO_ELE_FLOATING 0x0010 #define LO_ELE_SHADED 0x0020 #define LO_ELE_DELAY_CENTER 0x0040 #define LO_ELE_DELAY_RIGHT 0x0080 #define LO_ELE_DELAY_JUSTIFY 0x00c0 #define LO_ELE_DELAY_ALIGNED 0x00c0 #define LO_ELE_INVISIBLE 0x0100 /* Invisible form, applet or embed; Not from tag attributes */ #define LO_ELE_HIDDEN 0x0200 /* Element occupies no screen real-estate */ #define LO_ELE_DRAWN 0x0400 /* Indicates that the element has been drawn at least once before */ #define LO_ELE_STREAM_STARTED 0x0800 /* Special selection signal for Composer * Used for visual feedback during dragNdrop of table cells * (used for cells that will replaced) * and also for the non-focus cells when > 1 cells are selected * and the cell properties are being edited */ #define LO_ELE_SELECTED_SPECIAL 0x1000 #ifdef DOM #define LO_ELE_IN_SPAN 0x2000 #endif /* DOM */ /* * This structure heads up a group of text elements. It contains the actual text buffer * and all the word breaking information. */ typedef struct LO_TextBlock_struct { /* the base layout struct */ int16 type; int16 x_offset; int32 ele_id; int32 x, y; int32 y_offset; int32 width, height; int32 line_height; LO_Element *next; LO_Element *prev; ED_Element *edit_element; int32 edit_offset; /* textblock specific */ LO_TextAttr * text_attr; LO_AnchorData * anchor_href; uint16 ele_attrmask; /* breakable, secure, selected, etc. */ uint16 format_mode; LO_TextStruct * startTextElement; LO_TextStruct * endTextElement; uint8 * text_buffer; uint32 buffer_length; uint32 buffer_write_index; uint32 last_buffer_write_index; uint32 buffer_read_index; uint32 last_line_break; uint32 * break_table; uint32 break_length; uint32 break_write_index; uint32 break_read_index; uint32 last_break_offset; uint32 multibyte_index; uint32 multibyte_length; LO_TextStruct * old_break; uint32 old_break_pos; uint32 old_break_width; uint32 totalWidth; uint32 totalChars; uint8 break_pending; uint8 last_char_is_whitespace; int16 ascent; /* font information for relayout */ int16 descent; } LO_TextBlock; /* * This is the structure that the layout module will * pass to the front-end and ask the front end to render * this text segment in the x,y location specified. * The selected flag in combination with the text_attr * structure will tell the front-end how to render the text. */ struct LO_TextStruct_struct { int16 type; int16 x_offset; int32 ele_id; int32 x, y; int32 y_offset; int32 width, height; int32 line_height; LO_Element *next; LO_Element *prev; ED_Element *edit_element; int32 edit_offset; void *FE_Data; #if defined(XP_WIN) union { PA_Block text; /* lock to a (char *) */ char *pText; }; #else PA_Block text; /* lock to a (char *) */ #endif uint16 block_offset; /* offset to this line in the parent text block */ uint16 doc_width; /* doc width that this line was layed out into */ LO_AnchorData *anchor_href; LO_TextAttr *text_attr; uint16 ele_attrmask; /* breakable, secure, selected, etc. */ int16 text_len; int16 sel_start; int16 sel_end; intn bullet_type; /* set to MQUOTE in lo_make_quote_text, and other things in lo_PlaceBulletStr. */ }; /***************** * Similar to the structures above, these are the structures * used to manage image elements between the layout and the * front-end. ****************/ /* * Current status of a displayed image. * ImageData (above) can be reused for a single * image displayed multiple times, but ImageAttr is * unique to a particular instance of a displayed image. */ struct LO_ImageAttr_struct { int32 attrmask; /* anchor, delayed, ismap */ intn alignment; int32 layer_id; intn form_id; char *usemap_name; /* Use named client-side map if here */ void *usemap_ptr; /* private, used by layout only! */ intn submit_x; /* for form, last click coord */ intn submit_y; /* for form, last click coord */ }; /* Suppression of feedback such as the drawing of the delayed icon, temporary border and alt text when an image is coming in, and the drawing of keyboard navigation feedback. */ typedef enum { LO_SUPPRESS_UNDEFINED, LO_SUPPRESS, LO_DONT_SUPPRESS } lo_SuppressMode; /* * This is the structure that the layout module will * pass to the front-end and ask the front end to render * this image at the x,y location specified. * The selected flag in combination with the image_attr * structure will tell the front-end how to render the image. * alt is alternate text to display if the image is not to * be displayed. */ struct LO_ImageStruct_struct { int16 type; int16 x_offset; int32 ele_id; int32 x, y; int32 y_offset; int32 width, height; int32 line_height; LO_Element *next; LO_Element *prev; ED_Element *edit_element; int32 edit_offset; int32 layer_id; int32 percent_width; /* For relayout */ int32 percent_height; /* For relayout */ #ifdef MOCHA struct JSObject *mocha_object; #endif CL_Layer *layer; XP_Rect valid_rect; IL_ImageReq *image_req; /* Image library representation. */ IL_ImageReq *lowres_image_req; /* Handle on lowres image while highres image is coming in. */ uint8 is_icon; /* Is this an image or an icon? */ uint16 icon_number; /* If this is an icon, the icon number. */ PA_Block alt; LO_AnchorData *anchor_href; PA_Block image_url; PA_Block lowres_image_url; LO_ImageAttr *image_attr; LO_TextAttr *text_attr; int32 border_width; int32 border_vert_space; int32 border_horiz_space; uint16 ele_attrmask; /* floating, secure, selected, etc. */ uint16 image_status; uint8 is_transparent; lo_SuppressMode suppress_mode; /* For temp icon, temp border, etc. */ int16 alt_len; int16 sel_start; int16 sel_end; intn seq_num; PRPackedBool pending_mocha_event; LO_ImageStruct *next_image; /* next image in list for this document */ }; /* Tiling mode for implementing CSS's background-repeat property */ typedef enum { /* The code depends on specific values for this enum - don't change them. */ LO_TILE_BOTH = 0, /* Tile in both X and Y direction */ LO_TILE_HORIZ = 1, /* Tile horizontally only */ LO_TILE_VERT = 2, /* Tile vertically only */ LO_NO_TILE = 3 /* Don't tile */ } lo_TileMode; /* An (optionally) tiled backdrop image, optionally on top of a solid color */ typedef struct { LO_Color *bg_color; /* Solid color, or NULL, if transparent */ char *url; /* String URL or NULL, if no backdrop image */ lo_TileMode tile_mode; /* CSS tiling mode for backdrop image */ } lo_Backdrop; struct LO_SubDocStruct_struct { int16 type; int16 x_offset; int32 ele_id; int32 x, y; int32 y_offset; int32 width, height; int32 line_height; LO_Element *next; LO_Element *prev; ED_Element *edit_element; int32 edit_offset; void *FE_Data; void *state; /* Hack-o-rama to opaque the lo_DocState type */ lo_Backdrop backdrop; /* To carry over into CellStruct */ LO_AnchorData *anchor_href; LO_TextAttr *text_attr; int32 alignment; int32 vert_alignment; int32 horiz_alignment; int32 border_width; int32 border_vert_space; int32 border_horiz_space; uint16 ele_attrmask; /* floating, secure, selected, etc. */ int16 sel_start; int16 sel_end; }; /* * This is the structure that the layout module will * pass to the front-end and ask the front end to render * this form element at the x,y location specified. * The widget_data field holds state data for this form * element, such as the current text in a text entry area. */ #define FORM_TYPE_NONE 0 #define FORM_TYPE_TEXT 1 #define FORM_TYPE_RADIO 2 #define FORM_TYPE_CHECKBOX 3 #define FORM_TYPE_HIDDEN 4 #define FORM_TYPE_SUBMIT 5 #define FORM_TYPE_RESET 6 #define FORM_TYPE_PASSWORD 7 #define FORM_TYPE_BUTTON 8 #define FORM_TYPE_JOT 9 #define FORM_TYPE_SELECT_ONE 10 #define FORM_TYPE_SELECT_MULT 11 #define FORM_TYPE_TEXTAREA 12 #define FORM_TYPE_ISINDEX 13 #define FORM_TYPE_IMAGE 14 #define FORM_TYPE_FILE 15 #define FORM_TYPE_KEYGEN 16 #define FORM_TYPE_READONLY 17 #define FORM_TYPE_OBJECT 18 #define FORM_METHOD_GET 0 #define FORM_METHOD_POST 1 #define TEXTAREA_WRAP_OFF 0 #define TEXTAREA_WRAP_SOFT 1 #define TEXTAREA_WRAP_HARD 2 #define INPUT_TYPE_ENCODING_NORMAL 0 #define INPUT_TYPE_ENCODING_MACBIN 1 /* * Union of all different form element data structures */ union LO_FormElementData_struct; /* * This is the element_data structure for elements whose * element_type = FORM_TYPE_SELECT_ONE, FORM_TYPE_SELECT_MULT. */ /* * nesting deeper and deeper, harder and harder, go, go, oh, OH, OHHHHH!! * Sorry, got carried away there. */ struct lo_FormElementOptionData_struct { PA_Block text_value; PA_Block value; Bool def_selected; Bool selected; }; struct lo_FormElementSelectData_struct { int32 type; void *FE_Data; PA_Block name; int32 size; Bool disabled; Bool multiple; Bool options_valid; int32 option_cnt; PA_Block options; /* really a (lo_FormElementOptionData *) */ PA_Tag *saved_tag; /* mocha weazels need for threading */ }; /* * This is the element_data structure for elements whose * element_type = FORM_TYPE_TEXT, FORM_TYPE_PASSWORD, FORM_TYPE_FILE. */ struct lo_FormElementTextData_struct { int32 type; void *FE_Data; PA_Block name; PA_Block default_text; Bool disabled; Bool readonly; PA_Block current_text; int32 size; int32 max_size; int32 encoding; }; /* * This is the element_data structure for elements whose * element_type = FORM_TYPE_TEXTAREA. */ struct lo_FormElementTextareaData_struct { int32 type; void *FE_Data; PA_Block name; PA_Block default_text; Bool disabled; Bool readonly; PA_Block current_text; int32 rows; int32 cols; uint8 auto_wrap; PA_Tag *saved_tag; /* mocha weazels need for threading */ }; /* * This is the element_data structure for elements whose * element_type = FORM_TYPE_HIDDEN, FORM_TYPE_SUBMIT, FORM_TYPE_RESET, * FORM_TYPE_BUTTON, FORM_TYPE_READONLY. */ struct lo_FormElementMinimalData_struct { int32 type; void *FE_Data; PA_Block name; PA_Block value; Bool disabled; }; /* * This is the element_data structure for elements whose * element_type = FORM_TYPE_RADIO, FORM_TYPE_CHECKBOX. */ struct lo_FormElementToggleData_struct { int32 type; void *FE_Data; PA_Block name; PA_Block value; Bool disabled; Bool default_toggle; Bool toggled; }; /* * This is the element_data structure for elements whose * element_type = FORM_TYPE_OBJECT. */ struct lo_FormElementObjectData_struct { int32 type; void *FE_Data; PA_Block name; LO_JavaAppStruct *object; }; /* * This is the element_data structure for elements whose * element_type = FORM_TYPE_KEYGEN. */ struct lo_FormElementKeygenData_struct { int32 type; PA_Block name; PA_Block challenge; PA_Block key_type; PA_Block pqg; /* DSA only */ char *value_str; PRBool dialog_done; }; union LO_FormElementData_struct { int32 type; lo_FormElementTextData ele_text; lo_FormElementTextareaData ele_textarea; lo_FormElementMinimalData ele_minimal; lo_FormElementToggleData ele_toggle; lo_FormElementObjectData ele_object; lo_FormElementSelectData ele_select; lo_FormElementKeygenData ele_keygen; }; struct LO_FormSubmitData_struct { PA_Block action; PA_Block encoding; PA_Block window_target; int32 method; int32 value_cnt; PA_Block name_array; PA_Block value_array; PA_Block type_array; PA_Block encoding_array; }; struct LO_FormElementStruct_struct { int16 type; int16 x_offset; int32 ele_id; int32 x, y; int32 y_offset; int32 width, height; int32 line_height; LO_Element *next; LO_Element *prev; ED_Element *edit_element; int32 edit_offset; int32 layer_id; #ifdef MOCHA struct JSObject *mocha_object; XP_Bool event_handler_present; /*Indicates whether there's a JS handler */ #endif int16 border_vert_space; int16 border_horiz_space; int32 element_index; LO_FormElementData *element_data; LO_TextAttr *text_attr; int32 baseline; uint16 ele_attrmask; /* secure, selected, etc. */ int16 form_id; int16 sel_start; int16 sel_end; CL_Layer *layer; }; /* * This is the structure that the layout module will * pass to the front-end and ask the front end to render * a linefeed at the x,y location specified. * Linefeeds are rendered as just a filled rectangle. * Height should be the height of the tallest element * on the line. */ #define LO_LINEFEED_BREAK_SOFT 0 #define LO_LINEFEED_BREAK_HARD 1 #define LO_LINEFEED_BREAK_PARAGRAPH 2 #define LO_CLEAR_NONE 0 #define LO_CLEAR_TO_LEFT 1 #define LO_CLEAR_TO_RIGHT 2 #define LO_CLEAR_TO_ALL 3 #define LO_CLEAR_TO_BOTH 4 struct LO_LinefeedStruct_struct { int16 type; int16 x_offset; int32 ele_id; int32 x, y; int32 y_offset; int32 width, height; int32 line_height; LO_Element *next; LO_Element *prev; ED_Element *edit_element; int32 edit_offset; void *FE_Data; LO_AnchorData *anchor_href; LO_TextAttr *text_attr; int32 baseline; uint16 ele_attrmask; /* breaking, secure, selected, etc. */ int16 sel_start; int16 sel_end; uint8 break_type; /* is this an end-of-paragraph or a break? */ uint8 clear_type; /* the clear="" attribute */ }; struct LO_HorizRuleStruct_struct { int16 type; int16 x_offset; int32 ele_id; int32 x, y; int32 y_offset; int32 width, height; int32 line_height; LO_Element *next; LO_Element *prev; ED_Element *edit_element; int32 edit_offset; int32 end_x, end_y; void *FE_Data; uint16 ele_attrmask; /* shaded, secure, selected, etc. */ int16 alignment; int16 thickness; /* 1 - 100 */ int16 sel_start; int16 sel_end; int32 percent_width; /* needed for relayout. */ int32 width_in_initial_layout; /* needed for relayout. */ }; struct LO_BulletStruct_struct { int16 type; int16 x_offset; int32 ele_id; int32 x, y; int32 y_offset; int32 width, height; int32 line_height; LO_Element *next; LO_Element *prev; ED_Element *edit_element; int32 edit_offset; void *FE_Data; int32 bullet_type; int32 bullet_size; LO_TextAttr *text_attr; uint16 ele_attrmask; /* secure, selected, etc. */ int16 level; int16 sel_start; int16 sel_end; }; struct LO_TableStruct_struct { int16 type; int16 x_offset; int32 ele_id; int32 x, y; int32 y_offset; int32 width, height; int32 line_height; LO_Element *next; LO_Element *prev; ED_Element *edit_element; int32 edit_offset; void *FE_Data; LO_AnchorData *anchor_href; int32 expected_y; int32 alignment; LO_Color border_color; int32 border_style; int32 border_width; int32 border_top_width; int32 border_right_width; int32 border_bottom_width; int32 border_left_width; int32 border_vert_space; int32 border_horiz_space; uint16 ele_attrmask; /* floating, secure, selected, etc. */ int16 sel_start; int16 sel_end; int32 inter_cell_space; /*cmanske: CELLSPACING value - used when drawing table selection feedback */ void *table; /* Actually a lo_TableRec *. Added for relayout */ }; struct LO_CellStruct_struct { int16 type; int16 x_offset; int32 ele_id; int32 x, y; int32 y_offset; int32 width, height; int32 line_height; LO_Element *next; LO_Element *prev; ED_Element *edit_element; int32 edit_offset; void *FE_Data; LO_Element *cell_list; LO_Element *cell_list_end; LO_Element *cell_float_list; lo_Backdrop backdrop; int32 border_width; int32 border_vert_space; int32 border_horiz_space; uint16 ele_attrmask; /* secure, selected, etc. */ int16 sel_start; int16 sel_end; int32 inter_cell_space; /*cmanske: CELLSPACING value - used when drawing cell selection feedback */ CL_Layer *cell_inflow_layer; /* Non-NULL if this cell exists to encapsulate an in-flow layer (ILAYER) */ CL_Layer *cell_bg_layer; /* BGCOLOR/BACKGROUND for cell */ void *table_cell; /* An lo_TableCell *. For use during relayout without reload. */ void *table_row; /* An lo_TableRow *. Parent row state struct */ void *table; /* An lo_TableRec *. Parent table state struct */ Bool isCaption; /* Needed for relayout without reload */ }; struct LO_EmbedStruct_struct { int16 type; int16 x_offset; int32 ele_id; int32 x, y; int32 y_offset; int32 width, height; int32 line_height; LO_Element *next; LO_Element *prev; ED_Element *edit_element; int32 edit_offset; void * FE_Data; void *session_data; PA_Block embed_src; int32 attribute_cnt; char **attribute_list; char **value_list; int32 alignment; int32 border_width; int32 border_vert_space; int32 border_horiz_space; uint16 ele_attrmask; /* floating, secure, selected, etc. */ int32 embed_index; /* Unique ID within this doc */ struct LO_EmbedStruct_struct *nextEmbed; #ifdef MOCHA struct JSObject *mocha_object; #endif PA_Tag *tag; CL_Layer *layer; int32 percent_width; /* needed for relayout. */ int32 percent_height; /* needed for relayout. */ }; #define LO_JAVA_SELECTOR_APPLET 0 #define LO_JAVA_SELECTOR_OBJECT_JAVA 1 #define LO_JAVA_SELECTOR_OBJECT_JAVAPROGRAM 2 #define LO_JAVA_SELECTOR_OBJECT_JAVABEAN 3 struct LO_JavaAppStruct_struct { int16 type; int16 x_offset; int32 ele_id; int32 x, y; int32 y_offset; int32 width, height; int32 line_height; LO_Element *next; LO_Element *prev; ED_Element *edit_element; int32 edit_offset; void * FE_Data; void *session_data; PA_Block base_url; PA_Block attr_code; PA_Block attr_codebase; PA_Block attr_archive; PA_Block attr_name; int32 param_cnt; char **param_names; char **param_values; int32 alignment; int32 border_width; int32 border_vert_space; int32 border_horiz_space; uint16 ele_attrmask; /* floating, secure, selected, etc. */ int32 embed_index; /* Unique ID within this doc */ Bool may_script; /* linked list thread for applets in the current document. * should be "prev" since they're in reverse order but who's * counting? */ struct LO_JavaAppStruct_struct *nextApplet; #ifdef MOCHA struct JSObject *mocha_object; #endif PA_Tag *tag; CL_Layer *layer; /* selector_type indicates whether the tag was an * APPLET tag or OBJECT tag, and if it was an OBJECT tag, * whether the protocol selector in CLASSID was "java:", * "javaprogram:", or "javabean:". */ int32 selector_type; int32 percent_width; /* For relayout */ int32 percent_height; /* For relayout */ }; struct LO_EdgeStruct_struct { int16 type; int16 x_offset; int32 ele_id; int32 x, y; int32 y_offset; int32 width, height; int32 line_height; LO_Element *next; LO_Element *prev; void * FE_Data; void *lo_edge_info; LO_Color *bg_color; int16 size; Bool visible; Bool movable; Bool is_vertical; int32 left_top_bound; int32 right_bottom_bound; }; struct LO_Any_struct { int16 type; int16 x_offset; int32 ele_id; int32 x, y; int32 y_offset; int32 width, height; int32 line_height; LO_Element *next; LO_Element *prev; ED_Element *edit_element; int32 edit_offset; }; /* some DocState mutating elements. */ typedef struct LO_CenterStruct_struct { LO_Any lo_any; /* nothing really to center elements */ Bool is_end; } LO_CenterStruct; typedef struct LO_MulticolumnStruct_struct { LO_Any lo_any; Bool is_end; PA_Tag *tag; void *multicol; /* Pointer to lo_MultiCol struct */ } LO_MulticolumnStruct; typedef struct LO_SpacerStruct_struct { LO_Any lo_any; int32 size; int8 type; int32 alignment; Bool floating; Bool is_percent_width; int32 width; Bool is_percent_height; int32 height; PA_Tag *tag; } LO_SpacerStruct; typedef struct LO_NoBreakStruct_struct { LO_Any lo_any; /* nothing really to nobreak elements */ Bool is_end; } LO_NoBreakStruct; typedef struct LO_ParagraphStruct_struct { LO_Any lo_any; Bool is_end; intn blank_lines; /* only used in the close element */ Bool implicit_end; /* only used in the open element */ Bool alignment_set; int32 alignment; Bool has_top_ss_margin; Bool has_bottom_ss_margin; } LO_ParagraphStruct; typedef struct LO_FloatStruct_struct { LO_Any lo_any; LO_Element *float_ele; } LO_FloatStruct; typedef struct LO_ListStruct_struct { LO_Any lo_any; Bool is_end; PA_Tag *tag; int32 bullet_type; int32 bullet_start; int32 quote_type; Bool compact; } LO_ListStruct; typedef struct LO_DescTitle_struct { LO_Any lo_any; } LO_DescTitleStruct; typedef struct LO_DescText_struct { LO_Any lo_any; } LO_DescTextStruct; typedef struct LO_BlockQuote_struct { LO_Any lo_any; Bool is_end; int8 quote_type; PA_Tag *tag; } LO_BlockQuoteStruct; typedef struct LO_Layer_struct { LO_Any lo_any; Bool is_end; LO_BlockInitializeStruct *initParams; } LO_LayerStruct; typedef struct LO_Heading_struct { LO_Any lo_any; Bool is_end; int32 alignment; } LO_HeadingStruct; typedef struct LO_Span_struct { LO_Any lo_any; Bool is_end; /* should probably keep some stuff in here... perhaps the tag, so we can look up the inline style. */ } LO_SpanStruct; typedef struct LO_Div_struct { LO_Any lo_any; Bool is_end; /* should probably keep some stuff in here... perhaps the tag, so we can look up the inline style. */ } LO_DivStruct; union LO_Element_struct { int16 type; LO_Any lo_any; LO_TextStruct lo_text; LO_TextBlock lo_textBlock; LO_ImageStruct lo_image; LO_SubDocStruct lo_subdoc; LO_FormElementStruct lo_form; LO_LinefeedStruct lo_linefeed; LO_HorizRuleStruct lo_hrule; LO_BulletStruct lo_bullet; LO_TableStruct lo_table; LO_CellStruct lo_cell; LO_EmbedStruct lo_embed; LO_EdgeStruct lo_edge; LO_JavaAppStruct lo_java; /* These next elements do nothing but mutate the doc state. */ LO_CenterStruct lo_center; LO_FloatStruct lo_float; LO_ParagraphStruct lo_paragraph; LO_MulticolumnStruct lo_multicolumn; LO_NoBreakStruct lo_nobreak; LO_ListStruct lo_list; LO_DescTitleStruct lo_desctitle; LO_DescTextStruct lo_desctext; LO_BlockQuoteStruct lo_blockquote; LO_LayerStruct lo_layer; LO_HeadingStruct lo_heading; LO_SpanStruct lo_span; LO_DivStruct lo_div; LO_SpacerStruct lo_spacer; }; struct LO_ObjectStruct_struct { LO_Element lo_element; void* stream_closure; }; /* #ifndef NO_TAB_NAVIGATION */ #define tabFocusListMax 8 struct LO_tabFocus_struct { LO_Element *pElement; int32 mapAreaIndex; /* 0 means no focus, start with index 1. */ LO_AnchorData *pAnchor; }; /* NO_TAB_NAVIGATION */ struct LO_Position_struct { LO_Element* element; /* The element */ int32 position; /* The position within the element. */ }; /* begin always <= end. Both begin and end are included in * the selected region. (i.e. it's closed. Half-open would * be better, since then we could also express insertion * points.) */ struct LO_Selection_struct { LO_Position begin; LO_Position end; }; /* Hit test results */ #define LO_HIT_UNKNOWN 0 #define LO_HIT_LINE 1 #define LO_HIT_ELEMENT 2 #define LO_HIT_LINE_REGION_BEFORE 0 #define LO_HIT_LINE_REGION_AFTER 1 #define LO_HIT_ELEMENT_REGION_BEFORE 0 #define LO_HIT_ELEMENT_REGION_MIDDLE 1 #define LO_HIT_ELEMENT_REGION_AFTER 2 struct LO_HitLineResult_struct { int16 type; /* LO_HIT_LINE */ int16 region; /* LO_HIT_LINE_POSITION_XXX */ LO_Selection selection; /* The line */ }; struct LO_HitElementResult_struct { int16 type; /* LO_HIT_ELEMENT */ int16 region; /* LO_HIT_ELEMENT_POSITION_XXX */ LO_Position position; /* The element that was hit. */ }; union LO_HitResult_struct { int16 type; LO_HitLineResult lo_hitLine; LO_HitElementResult lo_hitElement; }; /* Logical navigation chunks */ #define LO_NA_CHARACTER 0 #define LO_NA_WORD 1 #define LO_NA_LINEEDGE 2 #define LO_NA_DOCUMENT 3 /* It's unclear if we shouldn't figure out how to move these declarations and defines into layout-private header files. */ typedef enum LO_LayerType_enum { LO_BLINK_LAYER, LO_IMAGE_LAYER, LO_HTML_BLOCK_LAYER, /* Contents of <LAYER> tag, not including bg */ LO_HTML_BODY_LAYER, /* Contents of <BODY> tag, not including bg */ LO_HTML_BACKGROUND_LAYER, /* Background for <BODY> or <LAYER> */ LO_GROUP_LAYER, /* Parent with child background and content layers */ LO_EMBEDDED_OBJECT_LAYER /* Form, applet, plugin */ } LO_LayerType; #define LO_DOCUMENT_LAYER_NAME "_DOCUMENT" #define LO_BACKGROUND_LAYER_NAME "_BACKGROUND" #define LO_BODY_LAYER_NAME "_BODY" #define LO_BLINK_GROUP_NAME "_BLINKGROUP" #define LO_CONTENT_LAYER_NAME "_CONTENT" #define LO_EMBED_LAYER_NAME "_EMBED" #define LO_DOCUMENT_LAYER_ID 0 #endif /* _LayoutElements_ */