netsurf/render/box.h

145 lines
2.8 KiB
C

/*
* This file is part of NetSurf, http://netsurf.sourceforge.net/
* Licensed under the GNU General Public License,
* http://www.opensource.org/licenses/gpl-license
* Copyright 2003 James Bursa <bursa@users.sourceforge.net>
* Copyright 2003 Phil Mellor <monkeyson@users.sourceforge.net>
*/
#ifndef _NETSURF_RENDER_BOX_H_
#define _NETSURF_RENDER_BOX_H_
#include <limits.h>
#include "libxml/HTMLparser.h"
#include "netsurf/css/css.h"
#ifdef riscos
#include "netsurf/riscos/font.h"
#endif
/**
* structures
*/
typedef enum {
BOX_BLOCK, BOX_INLINE_CONTAINER, BOX_INLINE,
BOX_TABLE, BOX_TABLE_ROW, BOX_TABLE_CELL,
BOX_TABLE_ROW_GROUP,
BOX_FLOAT_LEFT, BOX_FLOAT_RIGHT
} box_type;
struct column {
enum { COLUMN_WIDTH_UNKNOWN = 0, COLUMN_WIDTH_FIXED,
COLUMN_WIDTH_AUTO, COLUMN_WIDTH_PERCENT } type;
unsigned long min, max, width;
};
struct formoption {
int selected;
char* value;
char* text;
struct formoption* next;
};
struct gui_gadget {
enum { GADGET_HIDDEN = 0, GADGET_TEXTBOX, GADGET_RADIO, GADGET_CHECKBOX,
GADGET_SELECT, GADGET_TEXTAREA, GADGET_ACTIONBUTTON } type;
char* name;
struct form* form;
union {
struct {
char* value;
} hidden;
struct {
unsigned int maxlength;
char* text;
int size;
} textbox;
struct {
char* butttype;
char* label;
int pressed;
} actionbutt;
struct {
int numitems;
struct formoption* items;
int size;
int multiple;
} select;
struct {
int selected;
char* value;
} checkbox;
struct {
int selected;
char* value;
} radio;
struct {
int cols;
int rows;
char* text;
} textarea;
} data;
};
struct box {
box_type type;
struct css_style * style;
unsigned long x, y, width, height;
unsigned long min_width, max_width;
char * text;
unsigned int space : 1; /* 1 <=> followed by a space */
char * href;
char * title;
unsigned int length;
unsigned int columns;
unsigned int rows;
unsigned int start_column; /* start column of table cell */
struct box * next;
struct box * prev;
struct box * children;
struct box * last;
struct box * parent;
struct box * float_children;
struct box * next_float;
struct column *col;
struct font_data *font;
struct gui_gadget* gadget;
struct content* object; /* usually an image */
};
struct form
{
char* action; /* url */
enum {method_GET, method_POST} method;
};
struct formsubmit
{
struct form* form;
struct gui_gadget* items;
};
struct page_elements
{
struct form** forms;
struct gui_gadget** gadgets;
struct img** images;
int numForms;
int numGadgets;
int numImages;
};
#define UNKNOWN_WIDTH ULONG_MAX
#define UNKNOWN_MAX_WIDTH ULONG_MAX
/**
* interface
*/
void xml_to_box(xmlNode *n, struct content *c);
void box_dump(struct box * box, unsigned int depth);
void box_free(struct box *box);
#endif