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/*
* Copyright 2004 James Bursa <bursa@users.sourceforge.net>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* \file
* HTML content user interaction handling
*/
#ifndef NETSURF_HTML_INTERACTION_H
#define NETSURF_HTML_INTERACTION_H
/**
* Context for scrollbar
*/
struct html_scrollbar_data {
struct content *c;
struct box *box;
};
/**
* Handle mouse tracking (including drags) in an HTML content window.
*
* \param c content of type html
* \param bw browser window
* \param mouse state of mouse buttons and modifier keys
* \param x coordinate of mouse
* \param y coordinate of mouse
*/
nserror html_mouse_track(struct content *c, struct browser_window *bw,
browser_mouse_state mouse, int x, int y);
/**
* Handle mouse clicks and movements in an HTML content window.
*
* This function handles both hovering and clicking. It is important that the
* code path is identical (except that hovering doesn't carry out the action),
* so that the status bar reflects exactly what will happen. Having separate
* code paths opens the possibility that an attacker will make the status bar
* show some harmless action where clicking will be harmful.
*
* \param c content of type html
* \param bw browser window
* \param mouse state of mouse buttons and modifier keys
* \param x x coordinate of mouse
* \param y y coordinate of mouse
* \return NSERROR_OK or appropriate error code.
*/
nserror html_mouse_action(struct content *c, struct browser_window *bw,
browser_mouse_state mouse, int x, int y);
bool html_keypress(struct content *c, uint32_t key);
void html_overflow_scroll_callback(void *client_data,
struct scrollbar_msg_data *scrollbar_data);
void html_search(struct content *c, void *context,
search_flags_t flags, const char *string);
void html_search_clear(struct content *c);
/**
* Set our drag status, and inform whatever owns the content
*
* \param html HTML content
* \param drag_type Type of drag
* \param drag_owner What owns the drag
* \param rect Pointer movement bounds
*/
void html_set_drag_type(html_content *html, html_drag_type drag_type,
union html_drag_owner drag_owner, const struct rect *rect);
/**
* Set our selection status, and inform whatever owns the content
*
* \param html HTML content
* \param selection_type Type of selection
* \param selection_owner What owns the selection
* \param read_only True iff selection is read only
*/
void html_set_selection(html_content *html, html_selection_type selection_type,
union html_selection_owner selection_owner, bool read_only);
/**
* Set our input focus, and inform whatever owns the content
*
* \param html HTML content
* \param focus_type Type of input focus
* \param focus_owner What owns the focus
* \param hide_caret True iff caret to be hidden
* \param x Carret x-coord rel to owner
* \param y Carret y-coord rel to owner
* \param height Carret height
* \param clip Carret clip rect
*/
void html_set_focus(html_content *html, html_focus_type focus_type,
union html_focus_owner focus_owner, bool hide_caret,
int x, int y, int height, const struct rect *clip);
#endif
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