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Diffstat (limited to 'content/handlers/html/interaction.h')
| -rw-r--r-- | content/handlers/html/interaction.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/content/handlers/html/interaction.h b/content/handlers/html/interaction.h new file mode 100644 index 000000000..f92e3adb0 --- /dev/null +++ b/content/handlers/html/interaction.h @@ -0,0 +1,125 @@ +/* + * 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 + +#include "desktop/search.h" /* search flags enum */ + +/** + * 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 |