netsurf/desktop/browser.h

245 lines
6.9 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 2006 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 <stddef.h>
#include <time.h>
#include "netsurf/render/html.h"
struct box;
struct content;
struct form;
struct form_control;
struct form_successful_control;
struct gui_window;
struct history;
struct selection;
struct browser_window;
struct url_data;
struct bitmap;
struct _gesturer_state;
typedef void (*browser_caret_callback)(struct browser_window *bw,
wchar_t key, void *p);
typedef bool (*browser_paste_callback)(struct browser_window *bw,
const char *utf8, unsigned utf8_len, bool last, void *p);
typedef void (*browser_move_callback)(struct browser_window *bw,
void *p);
/** Browser window data. */
struct browser_window {
/** Page currently displayed, or 0. Must have status READY or DONE. */
struct content *current_content;
/** Page being loaded, or 0. */
struct content *loading_content;
/** Window history structure. */
struct history *history;
/** Gesturer for this browser window */
struct _gesturer_state *gesturer;
/** Selection state */
struct selection *sel;
/** Handler for keyboard input, or 0. */
browser_caret_callback caret_callback;
/** Handler for pasting text, or 0. */
browser_paste_callback paste_callback;
/** Handler for repositioning caret, or 0. */
browser_move_callback move_callback;
/** User parameter for caret_callback and paste_callback */
void *caret_p;
/** Platform specific window data. */
struct 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;
/** Fragment identifier for current_content. */
char *frag_id;
/** Current drag status. */
enum {
DRAGGING_NONE,
DRAGGING_VSCROLL,
DRAGGING_HSCROLL,
DRAGGING_SELECTION,
DRAGGING_PAGE_SCROLL,
DRAGGING_2DSCROLL,
DRAGGING_FRAME
} drag_type;
/** Box currently being scrolled, or 0. */
struct box *scrolling_box;
/** Mouse position at start of current scroll drag. */
int drag_start_x;
int drag_start_y;
/** Scroll offsets at start of current scroll draw. */
int drag_start_scroll_x;
int drag_start_scroll_y;
/** Well dimensions for current scroll drag. */
int drag_well_width;
int drag_well_height;
/** Frame resize directions for current frame resize drag. */
unsigned int drag_resize_left : 1;
unsigned int drag_resize_right : 1;
unsigned int drag_resize_up : 1;
unsigned int drag_resize_down : 1;
/** Referer for current fetch, or 0. */
char *referer;
/** Current fetch is download */
bool download;
/** Refresh interval (-1 if undefined) */
int refresh_interval;
/** Window dimensions */
int x0;
int y0;
int x1;
int y1;
/** Window characteristics */
enum {
BROWSER_WINDOW_NORMAL,
BROWSER_WINDOW_IFRAME,
BROWSER_WINDOW_FRAME,
BROWSER_WINDOW_FRAMESET,
} browser_window_type;
/** frameset characteristics */
int rows;
int cols;
/** frame dimensions */
struct frame_dimension frame_width;
struct frame_dimension frame_height;
int margin_width;
int margin_height;
/** frame name for targetting */
char *name;
/** frame characteristics */
bool no_resize;
frame_scrolling scrolling;
bool border;
colour border_colour;
/** iframe parent box */
struct box *box;
/** [cols * rows] children */
struct browser_window *children;
struct browser_window *parent;
/** [iframe_count] iframes */
int iframe_count;
struct browser_window *iframes;
};
typedef enum {
BROWSER_MOUSE_CLICK_1 = 1, /* primary mouse button down (eg. Select) */
BROWSER_MOUSE_CLICK_2 = 2,
BROWSER_MOUSE_DRAG_1 = 8, /* start of drag operation */
BROWSER_MOUSE_DRAG_2 = 16,
BROWSER_MOUSE_HOLDING_1 = 64, /* whilst drag is in progress */
BROWSER_MOUSE_HOLDING_2 = 128,
BROWSER_MOUSE_MOD_1 = 512, /* primary modifier key pressed (eg. Shift) */
BROWSER_MOUSE_MOD_2 = 1024
} browser_mouse_state;
extern struct browser_window *current_redraw_browser;
struct browser_window * browser_window_create(const char *url,
struct browser_window *clone, char *referer, bool history_add);
struct browser_window * browser_window_owner(struct browser_window *bw);
void browser_window_go(struct browser_window *bw, const char *url,
char *referer, bool history_add);
void browser_window_go_post(struct browser_window *bw, const char *url,
char *post_urlenc,
struct form_successful_control *post_multipart,
bool history_add, char *referer, bool download);
void browser_window_stop(struct browser_window *bw);
void browser_window_reload(struct browser_window *bw, bool all);
void browser_window_destroy(struct browser_window *bw);
void browser_window_update(struct browser_window *bw, bool scroll_to_top);
void browser_window_create_iframes(struct browser_window *bw,
struct content_html_iframe *iframe);
void browser_window_recalculate_iframes(struct browser_window *bw);
void browser_window_create_frameset(struct browser_window *bw,
struct content_html_frames *frameset);
void browser_window_recalculate_frameset(struct browser_window *bw);
void browser_window_mouse_click(struct browser_window *bw,
browser_mouse_state mouse, int x, int y);
void browser_window_mouse_track(struct browser_window *bw,
browser_mouse_state mouse, int x, int y);
void browser_window_mouse_drag_end(struct browser_window *bw,
browser_mouse_state mouse, int x, int y);
bool browser_window_key_press(struct browser_window *bw, wchar_t key);
bool browser_window_paste_text(struct browser_window *bw, const char *utf8,
unsigned utf8_len, bool last);
void browser_window_form_select(struct browser_window *bw,
struct form_control *control, int item);
void browser_redraw_box(struct content *c, struct box *box);
void browser_form_submit(struct browser_window *bw, struct form *form,
struct form_control *submit_button, bool new_window);
void browser_window_redraw_rect(struct browser_window *bw, int x, int y,
int width, int height);
/* In platform specific hotlist.c. */
void hotlist_visited(struct content *content);
/* In platform specific global_history.c. */
void global_history_add(const char *url);
void global_history_add_recent(const char *url);
char **global_history_get_recent(int *count);
/* In platform specific thumbnail.c. */
bool thumbnail_create(struct content *content, struct bitmap *bitmap,
const char *url);
/* In platform specific schedule.c. */
void schedule(int t, void (*callback)(void *p), void *p);
void schedule_remove(void (*callback)(void *p), void *p);
void schedule_run(void);
/* In platform specific theme_install.c. */
#ifdef WITH_THEME_INSTALL
void theme_install_start(struct content *c);
#endif
#endif