netsurf/desktop/browser.h

130 lines
3.8 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 Phil Mellor <monkeyson@users.sourceforge.net>
* Copyright 2004 James Bursa <bursa@users.sourceforge.net>
*/
/** \file
* Browser window creation and manipulation (interface).
*/
#ifndef _NETSURF_DESKTOP_BROWSER_H_
#define _NETSURF_DESKTOP_BROWSER_H_
#include <stdbool.h>
#include <time.h>
#include "netsurf/utils/config.h"
#include "netsurf/content/content.h"
#include "netsurf/desktop/gui.h"
struct box;
struct history;
/** Browser window data. */
struct browser_window
{
/** Page currently displayed, or 0. Must have status READY or DONE. */
struct content *current_content;
/** Instance state pointer for current_content. */
void *current_content_state;
/** Page being loaded, or 0. */
struct content *loading_content;
/** Window history structure. */
struct history *history;
/** Handler for keyboard input, or 0. */
void (*caret_callback)(struct browser_window *bw, char key, void *p);
/** User parameter for caret_callback. */
void *caret_p;
/** Platform specific window handle. */
gui_window *window;
/** Busy indicator is active. */
bool throbbing;
/** Add loading_content to the window history when it loads. */
bool history_add;
/** Start time of fetching loading_content. */
clock_t time0;
#ifdef WITH_FRAMES
struct browser_window *parent;
unsigned int no_children;
struct browser_window **children;
#endif
};
struct browser_action
{
enum { act_UNKNOWN,
act_MOUSE_AT, act_MOUSE_CLICK, act_START_NEW_SELECTION,
act_ALTER_SELECTION, act_CLEAR_SELECTION,
act_FOLLOW_LINK, act_FOLLOW_LINK_NEW_WINDOW,
act_GADGET_SELECT
} type;
union {
struct {
unsigned long x;
unsigned long y;
} mouse;
struct {
struct form_control* g;
int item;
} gadget_select;
} data;
};
struct box_selection
{
struct content *content;
struct box* box;
int actual_x;
int actual_y;
int plot_index;
};
void browser_window_create(const char *url, struct browser_window *clone);
void browser_window_go(struct browser_window *bw, const char *url);
void browser_window_go_post(struct browser_window *bw, const char *url,
char *post_urlenc,
struct form_successful_control *post_multipart,
bool history_add);
void browser_window_stop(struct browser_window *bw);
void browser_window_destroy(struct browser_window *bw);
int browser_window_action(struct browser_window* bw, struct browser_action* act);
void box_under_area(struct content *content, struct box* box, unsigned long x, unsigned long y, unsigned long ox, unsigned long oy,
struct box_selection** found, int* count, int* plot_index);
int box_position_lt(struct box_position* x, struct box_position* y);
int box_position_gt(struct box_position* x, struct box_position* y);
int box_position_eq(struct box_position* x, struct box_position* y);
int box_position_distance(struct box_position* x, struct box_position* y);
void gui_redraw_gadget(struct browser_window* bw, struct form_control* g);
bool browser_window_key_press(struct browser_window *bw, char key);
/* In platform specific history.c. */
struct history *history_create(void);
void history_add(struct history *history, struct content *content);
void history_update(struct history *history, struct content *content);
void history_destroy(struct history *history);
void history_back(struct browser_window *bw, struct history *history);
void history_forward(struct browser_window *bw, struct history *history);
/* In platform specific about.c. */
struct content *about_create(const char *url,
void (*callback)(content_msg msg, struct content *c, void *p1,
void *p2, const char *error),
void *p1, void *p2, unsigned long width, unsigned long height);
#endif