mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-01 10:27:03 +03:00
2fd1476f8c
Alter the framebuffer schedule_run to return the time untill the next event. svn path=/trunk/netsurf/; revision=10512
303 lines
9.4 KiB
C
303 lines
9.4 KiB
C
/*
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* Copyright 2003 Phil Mellor <monkeyson@users.sourceforge.net>
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* Copyright 2006 James Bursa <bursa@users.sourceforge.net>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** \file
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* Browser window creation and manipulation (interface).
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*/
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#ifndef _NETSURF_DESKTOP_BROWSER_H_
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#define _NETSURF_DESKTOP_BROWSER_H_
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#include <inttypes.h>
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#include <stdbool.h>
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#include <time.h>
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#include "render/html.h"
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struct box;
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struct hlcache_handle;
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struct form;
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struct form_control;
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struct gui_window;
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struct history;
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struct selection;
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struct browser_window;
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struct url_data;
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struct bitmap;
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struct scroll_msg_data;
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typedef bool (*browser_caret_callback)(struct browser_window *bw,
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uint32_t key, void *p);
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typedef bool (*browser_paste_callback)(struct browser_window *bw,
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const char *utf8, unsigned utf8_len, bool last, void *p);
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typedef void (*browser_move_callback)(struct browser_window *bw,
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void *p);
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/** Browser window data. */
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struct browser_window {
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/** Page currently displayed, or 0. Must have status READY or DONE. */
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struct hlcache_handle *current_content;
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/** Page being loaded, or 0. */
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struct hlcache_handle *loading_content;
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/** Window history structure. */
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struct history *history;
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/** Selection state */
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struct selection *sel;
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/** Handler for keyboard input, or 0. */
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browser_caret_callback caret_callback;
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/** Handler for pasting text, or 0. */
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browser_paste_callback paste_callback;
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/** Handler for repositioning caret, or 0. */
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browser_move_callback move_callback;
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/** User parameter for caret_callback and paste_callback */
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void *caret_p;
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/** Platform specific window data. */
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struct gui_window *window;
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/** Busy indicator is active. */
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bool throbbing;
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/** Add loading_content to the window history when it loads. */
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bool history_add;
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/** Fragment identifier for current_content. */
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char *frag_id;
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/** Current drag status. */
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enum {
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DRAGGING_NONE,
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DRAGGING_SELECTION,
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DRAGGING_PAGE_SCROLL,
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DRAGGING_FRAME
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} drag_type;
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/** Mouse position at start of current scroll drag. */
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int drag_start_x;
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int drag_start_y;
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/** Scroll offsets at start of current scroll draw. */
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int drag_start_scroll_x;
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int drag_start_scroll_y;
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/** Frame resize directions for current frame resize drag. */
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unsigned int drag_resize_left : 1;
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unsigned int drag_resize_right : 1;
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unsigned int drag_resize_up : 1;
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unsigned int drag_resize_down : 1;
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/** Scroll capturing all mouse events */
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struct scroll *scroll;
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/** Current fetch is download */
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bool download;
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/** Refresh interval (-1 if undefined) */
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int refresh_interval;
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/** Window has been resized, and content needs reformatting. */
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bool reformat_pending;
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/** Window dimensions */
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int x0;
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int y0;
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int x1;
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int y1;
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/** scale of window contents */
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float scale;
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/** Window characteristics */
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enum {
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BROWSER_WINDOW_NORMAL,
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BROWSER_WINDOW_IFRAME,
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BROWSER_WINDOW_FRAME,
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BROWSER_WINDOW_FRAMESET,
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} browser_window_type;
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/** frameset characteristics */
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int rows;
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int cols;
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/** frame dimensions */
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struct frame_dimension frame_width;
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struct frame_dimension frame_height;
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int margin_width;
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int margin_height;
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/** frame name for targetting */
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char *name;
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/** frame characteristics */
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bool no_resize;
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frame_scrolling scrolling;
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bool border;
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colour border_colour;
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/** iframe parent box */
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struct box *box;
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/** [cols * rows] children */
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struct browser_window *children;
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struct browser_window *parent;
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/** [iframe_count] iframes */
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int iframe_count;
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struct browser_window *iframes;
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/** Last time a link was followed in this window */
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unsigned int last_action;
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/** search context for free text search */
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struct search_context *search_context;
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struct form_control *visible_select_menu;
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/** cache of the currently displayed status text. */
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char *status_text; /**< Current status bar text. */
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int status_text_len; /**< Length of the ::status_text buffer. */
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int status_match; /**< Number of times an idempotent status-set operation was performed. */
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int status_miss; /**< Number of times status was really updated. */
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};
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/* Mouse state. 1 is primary mouse button (e.g. Select on RISC OS).
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* 2 is secondary mouse button (e.g. Adjust on RISC OS). */
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typedef enum {
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BROWSER_MOUSE_PRESS_1 = 1, /* button 1 pressed */
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BROWSER_MOUSE_PRESS_2 = 2, /* button 2 pressed */
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/* note: click meaning is different for
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* different front ends. On RISC OS, it
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* is standard to act on press, so a
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* click is fired at the same time as a
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* mouse button is pressed. With GTK, it
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* is standard to act on release, so a
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* click is fired when the mouse button
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* is released, if the operation wasn't
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* a drag. */
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BROWSER_MOUSE_CLICK_1 = 4, /* button 1 clicked. */
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BROWSER_MOUSE_CLICK_2 = 8, /* button 2 clicked. */
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BROWSER_MOUSE_DOUBLE_CLICK = 16, /* button 1 double clicked */
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BROWSER_MOUSE_DRAG_1 = 32, /* start of button 1 drag operation */
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BROWSER_MOUSE_DRAG_2 = 64, /* start of button 2 drag operation */
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BROWSER_MOUSE_DRAG_ON = 128, /* a drag operation was started and
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* a mouse button is still pressed */
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BROWSER_MOUSE_HOLDING_1 = 256, /* while button 1 drag is in progress */
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BROWSER_MOUSE_HOLDING_2 = 512, /* while button 2 drag is in progress */
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BROWSER_MOUSE_MOD_1 = 1024, /* primary modifier key pressed
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* (eg. Shift) */
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BROWSER_MOUSE_MOD_2 = 2048, /* secondary modifier key pressed
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* (eg. Ctrl) */
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BROWSER_MOUSE_MOD_3 = 4096 /* secondary modifier key pressed
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* (eg. Alt) */
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} browser_mouse_state;
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struct browser_scroll_data {
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struct browser_window *bw;
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struct box *box;
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};
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extern struct browser_window *current_redraw_browser;
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extern bool browser_reformat_pending;
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struct browser_window * browser_window_create(const char *url,
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struct browser_window *clone, const char *referrer,
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bool history_add, bool new_tab);
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void browser_window_initialise_common(struct browser_window *bw,
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struct browser_window *clone);
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void browser_window_go(struct browser_window *bw, const char *url,
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const char *referrer, bool history_add);
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void browser_window_go_unverifiable(struct browser_window *bw,
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const char *url, const char *referrer, bool history_add,
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struct hlcache_handle *parent);
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void browser_window_download(struct browser_window *bw,
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const char *url, const char *referrer);
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void browser_window_update(struct browser_window *bw, bool scroll_to_top);
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void browser_window_stop(struct browser_window *bw);
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void browser_window_reload(struct browser_window *bw, bool all);
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void browser_window_destroy(struct browser_window *bw);
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struct browser_window * browser_window_owner(struct browser_window *bw);
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void browser_window_reformat(struct browser_window *bw, int width, int height);
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void browser_window_set_scale(struct browser_window *bw, float scale, bool all);
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void browser_window_refresh_url_bar(struct browser_window *bw, const char *url,
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const char *frag);
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void browser_window_mouse_click(struct browser_window *bw,
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browser_mouse_state mouse, int x, int y);
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void browser_window_mouse_track(struct browser_window *bw,
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browser_mouse_state mouse, int x, int y);
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void browser_window_mouse_drag_end(struct browser_window *bw,
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browser_mouse_state mouse, int x, int y);
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bool browser_window_key_press(struct browser_window *bw, uint32_t key);
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bool browser_window_paste_text(struct browser_window *bw, const char *utf8,
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unsigned utf8_len, bool last);
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void browser_window_form_select(struct browser_window *bw,
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struct form_control *control, int item);
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void browser_redraw_box(struct hlcache_handle *c, struct box *box);
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void browser_form_submit(struct browser_window *bw,
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struct browser_window *target, struct form *form,
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struct form_control *submit_button);
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void browser_scroll_callback(void *client_data,
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struct scroll_msg_data *scroll_data);
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void browser_select_menu_callback(void *client_data,
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int x, int y, int width, int height);
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void browser_window_redraw_rect(struct browser_window *bw, int x, int y,
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int width, int height);
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bool browser_window_back_available(struct browser_window *bw);
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bool browser_window_forward_available(struct browser_window *bw);
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bool browser_window_reload_available(struct browser_window *bw);
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bool browser_window_stop_available(struct browser_window *bw);
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/* In platform specific hotlist.c. */
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void hotlist_visited(struct hlcache_handle *c);
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/* In platform specific global_history.c. */
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void global_history_add(const char *url);
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void global_history_add_recent(const char *url);
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char **global_history_get_recent(int *count);
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/* In platform specific thumbnail.c. */
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bool thumbnail_create(struct hlcache_handle *content, struct bitmap *bitmap,
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const char *url);
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/* In platform specific schedule.c. */
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void schedule(int t, void (*callback)(void *p), void *p);
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void schedule_remove(void (*callback)(void *p), void *p);
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/* In platform specific theme_install.c. */
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#ifdef WITH_THEME_INSTALL
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void theme_install_start(struct hlcache_handle *c);
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#endif
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#endif
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