mirror of
https://github.com/netsurf-browser/netsurf
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126 lines
3.7 KiB
C
126 lines
3.7 KiB
C
/*
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* Copyright 2004 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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/**
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* \file
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* HTML content user interaction handling
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*/
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#ifndef NETSURF_HTML_INTERACTION_H
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#define NETSURF_HTML_INTERACTION_H
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#include "desktop/search.h" /* search flags enum */
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/**
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* Context for scrollbar
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*/
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struct html_scrollbar_data {
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struct content *c;
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struct box *box;
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};
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/**
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* Handle mouse tracking (including drags) in an HTML content window.
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*
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* \param c content of type html
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* \param bw browser window
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* \param mouse state of mouse buttons and modifier keys
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* \param x coordinate of mouse
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* \param y coordinate of mouse
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*/
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nserror html_mouse_track(struct content *c, struct browser_window *bw,
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browser_mouse_state mouse, int x, int y);
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/**
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* Handle mouse clicks and movements in an HTML content window.
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*
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* This function handles both hovering and clicking. It is important that the
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* code path is identical (except that hovering doesn't carry out the action),
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* so that the status bar reflects exactly what will happen. Having separate
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* code paths opens the possibility that an attacker will make the status bar
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* show some harmless action where clicking will be harmful.
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*
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* \param c content of type html
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* \param bw browser window
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* \param mouse state of mouse buttons and modifier keys
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* \param x x coordinate of mouse
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* \param y y coordinate of mouse
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* \return NSERROR_OK or appropriate error code.
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*/
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nserror html_mouse_action(struct content *c, struct browser_window *bw,
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browser_mouse_state mouse, int x, int y);
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bool html_keypress(struct content *c, uint32_t key);
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void html_overflow_scroll_callback(void *client_data,
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struct scrollbar_msg_data *scrollbar_data);
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void html_search(struct content *c, void *context,
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search_flags_t flags, const char *string);
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void html_search_clear(struct content *c);
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/**
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* Set our drag status, and inform whatever owns the content
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*
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* \param html HTML content
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* \param drag_type Type of drag
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* \param drag_owner What owns the drag
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* \param rect Pointer movement bounds
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*/
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void html_set_drag_type(html_content *html, html_drag_type drag_type,
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union html_drag_owner drag_owner, const struct rect *rect);
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/**
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* Set our selection status, and inform whatever owns the content
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*
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* \param html HTML content
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* \param selection_type Type of selection
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* \param selection_owner What owns the selection
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* \param read_only True iff selection is read only
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*/
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void html_set_selection(html_content *html, html_selection_type selection_type,
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union html_selection_owner selection_owner, bool read_only);
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/**
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* Set our input focus, and inform whatever owns the content
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*
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* \param html HTML content
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* \param focus_type Type of input focus
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* \param focus_owner What owns the focus
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* \param hide_caret True iff caret to be hidden
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* \param x Carret x-coord rel to owner
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* \param y Carret y-coord rel to owner
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* \param height Carret height
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* \param clip Carret clip rect
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*/
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void html_set_focus(html_content *html, html_focus_type focus_type,
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union html_focus_owner focus_owner, bool hide_caret,
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int x, int y, int height, const struct rect *clip);
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#endif
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