diff options
Diffstat (limited to 'content/handlers/html')
| -rw-r--r-- | content/handlers/html/interaction.c | 1220 |
1 files changed, 738 insertions, 482 deletions
diff --git a/content/handlers/html/interaction.c b/content/handlers/html/interaction.c index 651199ce2..fc688d1d1 100644 --- a/content/handlers/html/interaction.c +++ b/content/handlers/html/interaction.c @@ -560,189 +560,202 @@ mouse_action_drag_content(html_content *html, } -/* exported interface documented in html/interaction.h */ -nserror html_mouse_track(struct content *c, - struct browser_window *bw, - browser_mouse_state mouse, - int x, int y) -{ - return html_mouse_action(c, bw, mouse, x, y); -} +/** + * local structure containing all the mouse action state information + */ +struct mouse_action_state { + struct { + const char *status; /**< status text */ + browser_pointer_shape pointer; /**< pointer shape */ + enum { + ACTION_NONE, + ACTION_NOSEND, /**< do not send status and pointer message */ + ACTION_SUBMIT, + ACTION_GO, + } action; + } result; + + /** dom node */ + struct dom_node *node; + + /** html object */ + struct { + struct box *box; + int pos_x; + int pos_y; + } html_object; + + /** non html object */ + hlcache_handle *object; + + /** iframe */ + struct browser_window *iframe; + + /** link either from href or imagemap */ + struct { + struct box *box; + nsurl *url; + const char *target; + bool is_imagemap; + } link; + + /** gadget */ + struct { + struct form_control *control; + struct box *box; + int box_x; + int box_y; + const char *target; + } gadget; + + /** title */ + const char *title; + + /** candidate box for drag operation */ + struct box *drag_candidate; + + /** scrollbar */ + struct { + struct scrollbar *bar; + int mouse_x; + int mouse_y; + } scroll; + + /** text in box */ + struct { + struct box *box; + int box_x; + } text; +}; -/* exported interface documented in html/interaction.h */ -nserror -html_mouse_action(struct content *c, - struct browser_window *bw, - browser_mouse_state mouse, - int x, int y) +/** + * iterate the box tree for deepest node at coordinates + * + * extracts mouse action node information by descending through + * visible boxes setting more specific values for: + * + * box - deepest box at point + * html_object_box - html object + * html_object_pos_x - html object + * html_object_pos_y - html object + * object - non html object + * iframe - iframe + * url - href or imagemap + * target - href or imagemap or gadget + * url_box - href or imagemap + * imagemap - imagemap + * gadget - gadget + * gadget_box - gadget + * gadget_box_x - gadget + * gadget_box_y - gadget + * title - title + * pointer + * + * drag_candidate - first box with scroll + * padding_left - box with scroll + * padding_right + * padding_top + * padding_bottom + * scrollbar - inside padding box stops decent + * scroll_mouse_x - inside padding box stops decent + * scroll_mouse_y - inside padding box stops decent + * + * text_box - text box + * text_box_x - text_box + */ +static nserror +get_mouse_action_node(html_content *html, + int x, int y, + struct mouse_action_state *man) { - html_content *html = (html_content *) c; - enum { ACTION_NONE, ACTION_SUBMIT, ACTION_GO } action = ACTION_NONE; - const char *title = 0; - nsurl *url = 0; - char *url_s = NULL; - size_t url_l = 0; - const char *target = 0; - char status_buffer[200]; - const char *status = 0; - browser_pointer_shape pointer = BROWSER_POINTER_DEFAULT; - bool imagemap = false; - int box_x = 0, box_y = 0; - int gadget_box_x = 0, gadget_box_y = 0; - int html_object_pos_x = 0, html_object_pos_y = 0; - int text_box_x = 0; - struct box *url_box = 0; - struct box *gadget_box = 0; - struct box *text_box = 0; struct box *box; - struct form_control *gadget = 0; - hlcache_handle *object = NULL; - struct box *html_object_box = NULL; - struct browser_window *iframe = NULL; - struct box *drag_candidate = NULL; - struct scrollbar *scrollbar = NULL; - plot_font_style_t fstyle; - int scroll_mouse_x = 0, scroll_mouse_y = 0; - int padding_left, padding_right, padding_top, padding_bottom; - union content_msg_data msg_data; - struct dom_node *node = html->layout->node; /* Default to the <HTML> */ - union html_selection_owner sel_owner; - bool click = mouse & (BROWSER_MOUSE_PRESS_1 | BROWSER_MOUSE_PRESS_2 | - BROWSER_MOUSE_CLICK_1 | BROWSER_MOUSE_CLICK_2 | - BROWSER_MOUSE_DRAG_1 | BROWSER_MOUSE_DRAG_2); - - nserror res = NSERROR_OK; - - /* handle open select menu */ - if (html->visible_select_menu != NULL) { - return mouse_action_select_menu(html, bw, mouse, x, y); - } - - /* handle content drag */ - switch (html->drag_type) { - case HTML_DRAG_SELECTION: - return mouse_action_drag_selection(html, bw, mouse, x, y); - - case HTML_DRAG_SCROLLBAR: - return mouse_action_drag_scrollbar(html, bw, mouse, x, y); - - case HTML_DRAG_TEXTAREA_SELECTION: - case HTML_DRAG_TEXTAREA_SCROLLBAR: - return mouse_action_drag_textarea(html, bw, mouse, x, y); - - case HTML_DRAG_CONTENT_SELECTION: - case HTML_DRAG_CONTENT_SCROLL: - return mouse_action_drag_content(html, bw, mouse, x, y); - - case HTML_DRAG_NONE: - break; + int box_x = 0; + int box_y = 0; - default: - /* Unknown content related drag type */ - assert(0 && "Unknown content related drag type"); - } + /* initialise the mouse action state data */ + memset(man, 0, sizeof(struct mouse_action_state)); + man->node = html->layout->node; /* Default dom node to the <HTML> */ + man->result.pointer = BROWSER_POINTER_DEFAULT; /* search the box tree for a link, imagemap, form control, or * box with scrollbars */ - box = html->layout; /* Consider the margins of the html page now */ box_x = box->margin[LEFT]; box_y = box->margin[TOP]; - /* descend through visible boxes setting more specific values for: - * box - deepest box at point - * html_object_box - html object - * html_object_pos_x - html object - * html_object_pos_y - html object - * object - non html object - * iframe - iframe - * url - href or imagemap - * target - href or imagemap or gadget - * url_box - href or imagemap - * imagemap - imagemap - * gadget - gadget - * gadget_box - gadget - * gadget_box_x - gadget - * gadget_box_y - gadget - * title - title - * pointer - * - * drag_candidate - first box with scroll - * padding_left - box with scroll - * padding_right - * padding_top - * padding_bottom - * scrollbar - inside padding box stops decent - * scroll_mouse_x - inside padding box stops decent - * scroll_mouse_y - inside padding box stops decent - * - * text_box - text box - * text_box_x - text_box - */ do { + /* skip hidden boxes */ if ((box->style != NULL) && (css_computed_visibility(box->style) == CSS_VISIBILITY_HIDDEN)) { - continue; + goto next_box; } if (box->node != NULL) { - node = box->node; + man->node = box->node; } if (box->object) { if (content_get_type(box->object) == CONTENT_HTML) { - html_object_box = box; - html_object_pos_x = box_x; - html_object_pos_y = box_y; + man->html_object.box = box; + man->html_object.pos_x = box_x; + man->html_object.pos_y = box_y; } else { - object = box->object; + man->object = box->object; } } if (box->iframe) { - iframe = box->iframe; + man->iframe = box->iframe; } if (box->href) { - url = box->href; - target = box->target; - url_box = box; + man->link.url = box->href; + man->link.target = box->target; + man->link.box = box; + man->link.is_imagemap = false; } if (box->usemap) { - url = imagemap_get(html, box->usemap, - box_x, box_y, x, y, &target); - if (url) { - imagemap = true; - url_box = box; - } + man->link.url = imagemap_get(html, + box->usemap, + box_x, + box_y, + x, y, + &man->link.target); + man->link.box = box; + man->link.is_imagemap = true; } if (box->gadget) { - gadget = box->gadget; - gadget_box = box; - gadget_box_x = box_x; - gadget_box_y = box_y; - if (gadget->form) - target = gadget->form->target; + man->gadget.control = box->gadget; + man->gadget.box = box; + man->gadget.box_x = box_x; + man->gadget.box_y = box_y; + if (box->gadget->form) { + man->gadget.target = box->gadget->form->target; + } } if (box->title) { - title = box->title; + man->title = box->title; } - pointer = get_pointer_shape(box, false); + man->result.pointer = get_pointer_shape(box, false); if ((box->scroll_x != NULL) || (box->scroll_y != NULL)) { + int padding_left; + int padding_right; + int padding_top; + int padding_bottom; - if (drag_candidate == NULL) { - drag_candidate = box; + if (man->drag_candidate == NULL) { + man->drag_candidate = box; } padding_left = box_x + @@ -761,435 +774,620 @@ html_mouse_action(struct content *c, /* mouse inside padding box */ if ((box->scroll_y != NULL) && - (x > (padding_right - - SCROLLBAR_WIDTH))) { + (x > (padding_right - SCROLLBAR_WIDTH))) { /* mouse above vertical box scroll */ - scrollbar = box->scroll_y; - scroll_mouse_x = x - (padding_right - - SCROLLBAR_WIDTH); - scroll_mouse_y = y - padding_top; + man->scroll.bar = box->scroll_y; + man->scroll.mouse_x = x - (padding_right - SCROLLBAR_WIDTH); + man->scroll.mouse_y = y - padding_top; break; } else if ((box->scroll_x != NULL) && - (y > (padding_bottom - + (y > (padding_bottom - SCROLLBAR_WIDTH))) { /* mouse above horizontal box scroll */ - scrollbar = box->scroll_x; - scroll_mouse_x = x - padding_left; - scroll_mouse_y = y - (padding_bottom - - SCROLLBAR_WIDTH); + man->scroll.bar = box->scroll_x; + man->scroll.mouse_x = x - padding_left; + man->scroll.mouse_y = y - (padding_bottom - SCROLLBAR_WIDTH); break; } } } if (box->text && !box->object) { - text_box = box; - text_box_x = box_x; + man->text.box = box; + man->text.box_x = box_x; } - } while ((box = box_at_point(&html->len_ctx, box, x, y, - &box_x, &box_y)) != NULL); + + next_box: + /* iterate to next box */ + box = box_at_point(&html->len_ctx, box, x, y, &box_x, &box_y); + } while (box != NULL); /* use of box_x, box_y, or content below this point is probably a * mistake; they will refer to the last box returned by box_at_point */ - assert(node != NULL); - if (scrollbar) { - status = scrollbar_mouse_status_to_message( - scrollbar_mouse_action(scrollbar, mouse, - scroll_mouse_x, - scroll_mouse_y)); - pointer = BROWSER_POINTER_DEFAULT; - } else if (gadget) { - textarea_mouse_status ta_status; - - switch (gadget->type) { - case GADGET_SELECT: - status = messages_get("FormSelect"); - pointer = BROWSER_POINTER_MENU; - if (mouse & BROWSER_MOUSE_CLICK_1 && - nsoption_bool(core_select_menu)) { - html->visible_select_menu = gadget; - res = form_open_select_menu(c, gadget, - form_select_menu_callback, - c); - if (res != NSERROR_OK) { - NSLOG(netsurf, ERROR, - "%s", - messages_get_errorcode(res)); - html->visible_select_menu = NULL; - } - pointer = BROWSER_POINTER_DEFAULT; - } else if (mouse & BROWSER_MOUSE_CLICK_1) { - msg_data.select_menu.gadget = gadget; - content_broadcast(c, CONTENT_MSG_SELECTMENU, - &msg_data); - } - break; - case GADGET_CHECKBOX: - status = messages_get("FormCheckbox"); - if (mouse & BROWSER_MOUSE_CLICK_1) { - gadget->selected = !gadget->selected; - dom_html_input_element_set_checked( - (dom_html_input_element *)(gadget->node), - gadget->selected); - html__redraw_a_box(html, gadget_box); - } - break; - case GADGET_RADIO: - status = messages_get("FormRadio"); - if (mouse & BROWSER_MOUSE_CLICK_1) - form_radio_set(gadget); - break; - case GADGET_IMAGE: - /* This falls through to SUBMIT */ - if (mouse & BROWSER_MOUSE_CLICK_1) { - struct image_input_coords *coords, *oldcoords; - /** \todo Find a way to not ignore errors */ - coords = calloc(1, sizeof(*coords)); - if (coords == NULL) { - return NSERROR_OK; - } - coords->x = x - gadget_box_x; - coords->y = y - gadget_box_y; - if (dom_node_set_user_data( - gadget->node, - corestring_dom___ns_key_image_coords_node_data, - coords, html__image_coords_dom_user_data_handler, - &oldcoords) != DOM_NO_ERR) - return NSERROR_OK; - free(oldcoords); - } - /* Fall through */ - case GADGET_SUBMIT: - if (gadget->form) { - snprintf(status_buffer, sizeof status_buffer, - messages_get("FormSubmit"), - gadget->form->action); - status = status_buffer; - pointer = get_pointer_shape(gadget_box, false); - if (mouse & (BROWSER_MOUSE_CLICK_1 | - BROWSER_MOUSE_CLICK_2)) - action = ACTION_SUBMIT; - } else { - status = messages_get("FormBadSubmit"); - } - break; - case GADGET_TEXTBOX: - case GADGET_PASSWORD: - case GADGET_TEXTAREA: - if (gadget->type == GADGET_TEXTAREA) - status = messages_get("FormTextarea"); - else - status = messages_get("FormTextbox"); - - if (click && (html->selection_type != - HTML_SELECTION_TEXTAREA || - html->selection_owner.textarea != - gadget_box)) { - sel_owner.none = true; - html_set_selection(html, HTML_SELECTION_NONE, - sel_owner, true); - } + assert(man->node != NULL); + + return NSERROR_OK; +} - ta_status = textarea_mouse_action(gadget->data.text.ta, - mouse, x - gadget_box_x, - y - gadget_box_y); - if (ta_status & TEXTAREA_MOUSE_EDITOR) { - pointer = get_pointer_shape(gadget_box, false); - } else { - pointer = BROWSER_POINTER_DEFAULT; - status = scrollbar_mouse_status_to_message( - ta_status >> 3); - } - break; - case GADGET_HIDDEN: - /* not possible: no box generated */ - break; - case GADGET_RESET: - status = messages_get("FormReset"); - break; - case GADGET_FILE: - status = messages_get("FormFile"); - if (mouse & BROWSER_MOUSE_CLICK_1) { - msg_data.gadget_click.gadget = gadget; - content_broadcast(c, CONTENT_MSG_GADGETCLICK, - &msg_data); +/** + * process mouse activity on a form gadget + */ +static nserror +gadget_mouse_action(html_content *html, + browser_mouse_state mouse, + int x, int y, + struct mouse_action_state *mas) +{ + struct content *c = (struct content *)html; + textarea_mouse_status ta_status; + union content_msg_data msg_data; + nserror res; + bool click; + click = mouse & (BROWSER_MOUSE_PRESS_1 | BROWSER_MOUSE_PRESS_2 | + BROWSER_MOUSE_CLICK_1 | BROWSER_MOUSE_CLICK_2 | + BROWSER_MOUSE_DRAG_1 | BROWSER_MOUSE_DRAG_2); + + switch (mas->gadget.control->type) { + case GADGET_SELECT: + mas->result.status = messages_get("FormSelect"); + mas->result.pointer = BROWSER_POINTER_MENU; + if (mouse & BROWSER_MOUSE_CLICK_1 && + nsoption_bool(core_select_menu)) { + html->visible_select_menu = mas->gadget.control; + res = form_open_select_menu(c, + mas->gadget.control, + form_select_menu_callback, + c); + if (res != NSERROR_OK) { + NSLOG(netsurf, ERROR, "%s", + messages_get_errorcode(res)); + html->visible_select_menu = NULL; } - break; - case GADGET_BUTTON: - /* This gadget cannot be activated */ - status = messages_get("FormButton"); - break; + mas->result.pointer = BROWSER_POINTER_DEFAULT; + } else if (mouse & BROWSER_MOUSE_CLICK_1) { + msg_data.select_menu.gadget = mas->gadget.control; + content_broadcast(c, + CONTENT_MSG_SELECTMENU, + &msg_data); } + break; - } else if (object && (mouse & BROWSER_MOUSE_MOD_2)) { - - if (mouse & BROWSER_MOUSE_DRAG_2) { - msg_data.dragsave.type = CONTENT_SAVE_NATIVE; - msg_data.dragsave.content = object; - content_broadcast(c, CONTENT_MSG_DRAGSAVE, &msg_data); - - } else if (mouse & BROWSER_MOUSE_DRAG_1) { - msg_data.dragsave.type = CONTENT_SAVE_ORIG; - msg_data.dragsave.content = object; - content_broadcast(c, CONTENT_MSG_DRAGSAVE, &msg_data); + case GADGET_CHECKBOX: + mas->result.status = messages_get("FormCheckbox"); + if (mouse & BROWSER_MOUSE_CLICK_1) { + mas->gadget.control->selected = !mas->gadget.control->selected; + dom_html_input_element_set_checked( + (dom_html_input_element *)(mas->gadget.control->node), + mas->gadget.control->selected); + html__redraw_a_box(html, mas->gadget.box); } + break; - /* \todo should have a drag-saving object msg */ + case GADGET_RADIO: + mas->result.status = messages_get("FormRadio"); + if (mouse & BROWSER_MOUSE_CLICK_1) { + form_radio_set(mas->gadget.control); + } + break; - } else if (iframe) { - int pos_x, pos_y; - float scale = browser_window_get_scale(bw); + case GADGET_IMAGE: + /* This falls through to SUBMIT */ + if (mouse & BROWSER_MOUSE_CLICK_1) { + struct image_input_coords *coords, *oldcoords; + /** \todo Find a way to not ignore errors */ + coords = calloc(1, sizeof(*coords)); + if (coords == NULL) { + return NSERROR_OK; + } + coords->x = x - mas->gadget.box_x; + coords->y = y - mas->gadget.box_y; + if (dom_node_set_user_data( + mas->gadget.control->node, + corestring_dom___ns_key_image_coords_node_data, + coords, + html__image_coords_dom_user_data_handler, + &oldcoords) != DOM_NO_ERR) { + return NSERROR_OK; + } + free(oldcoords); + } + /* Fall through */ - browser_window_get_position(iframe, false, &pos_x, &pos_y); + case GADGET_SUBMIT: + if (mas->gadget.control->form) { + static char status_buffer[200]; + + snprintf(status_buffer, + sizeof status_buffer, + messages_get("FormSubmit"), + mas->gadget.control->form->action); + mas->result.status = status_buffer; + mas->result.pointer = get_pointer_shape(mas->gadget.box, + false); + if (mouse & (BROWSER_MOUSE_CLICK_1 | + BROWSER_MOUSE_CLICK_2)) { + mas->result.action = ACTION_SUBMIT; + } + } else { + mas->result.status = messages_get("FormBadSubmit"); + } + break; - if (mouse & BROWSER_MOUSE_CLICK_1 || - mouse & BROWSER_MOUSE_CLICK_2) { - browser_window_mouse_click(iframe, mouse, - (x * scale) - pos_x, - (y * scale) - pos_y); + case GADGET_TEXTBOX: + case GADGET_PASSWORD: + case GADGET_TEXTAREA: + if (mas->gadget.control->type == GADGET_TEXTAREA) { + mas->result.status = messages_get("FormTextarea"); } else { - browser_window_mouse_track(iframe, mouse, - (x * scale) - pos_x, - (y * scale) - pos_y); + mas->result.status = messages_get("FormTextbox"); } - } else if (html_object_box) { - if (click && (html->selection_type != HTML_SELECTION_CONTENT || - html->selection_owner.content != - html_object_box)) { + if (click && + (html->selection_type != HTML_SELECTION_TEXTAREA || + html->selection_owner.textarea != mas->gadget.box)) { + union html_selection_owner sel_owner; sel_owner.none = true; - html_set_selection(html, HTML_SELECTION_NONE, - sel_owner, true); + html_set_selection(html, + HTML_SELECTION_NONE, + sel_owner, + true); } - if (mouse & BROWSER_MOUSE_CLICK_1 || - mouse & BROWSER_MOUSE_CLICK_2) { - content_mouse_action(html_object_box->object, - bw, mouse, - x - html_object_pos_x, - y - html_object_pos_y); + + ta_status = textarea_mouse_action(mas->gadget.control->data.text.ta, + mouse, + x - mas->gadget.box_x, + y - mas->gadget.box_y); + + if (ta_status & TEXTAREA_MOUSE_EDITOR) { + mas->result.pointer = get_pointer_shape(mas->gadget.box, false); } else { - content_mouse_track(html_object_box->object, - bw, mouse, - x - html_object_pos_x, - y - html_object_pos_y); - } - } else if (url) { - if (nsoption_bool(display_decoded_idn) == true) { - res = nsurl_get_utf8(url, &url_s, &url_l); - if (res != NSERROR_OK) { - /* Unable to obtain a decoded IDN. This is not - * a fatal error. Ensure the string pointer - * is NULL so we use the encoded version. - */ - url_s = NULL; - } + mas->result.pointer = BROWSER_POINTER_DEFAULT; + mas->result.status = scrollbar_mouse_status_to_message(ta_status >> 3); } + break; - if (title) { - snprintf(status_buffer, sizeof status_buffer, "%s: %s", - url_s ? url_s : nsurl_access(url), title); - } else { - snprintf(status_buffer, sizeof status_buffer, "%s", - url_s ? url_s : nsurl_access(url)); + case GADGET_HIDDEN: + /* not possible: no box generated */ + break; + + case GADGET_RESET: + mas->result.status = messages_get("FormReset"); + break; + + case GADGET_FILE: + mas->result.status = messages_get("FormFile"); + if (mouse & BROWSER_MOUSE_CLICK_1) { + msg_data.gadget_click.gadget = mas->gadget.control; + content_broadcast(c, + CONTENT_MSG_GADGETCLICK, + &msg_data); } + break; - status = status_buffer; + case GADGET_BUTTON: + /* This gadget cannot be activated */ + mas->result.status = messages_get("FormButton"); + break; + } - if (url_s != NULL) - free(url_s); + return NSERROR_OK; +} - pointer = get_pointer_shape(url_box, imagemap); - if (mouse & BROWSER_MOUSE_CLICK_1 && - mouse & BROWSER_MOUSE_MOD_1) { - /* force download of link */ - browser_window_navigate(bw, - url, - content_get_url(c), - BW_NAVIGATE_DOWNLOAD, - NULL, - NULL, - NULL); +/** + * process mouse activity on an iframe + */ +static nserror +iframe_mouse_action(struct browser_window *bw, + browser_mouse_state mouse, + int x, int y, + struct mouse_action_state *mas) +{ + int pos_x, pos_y; + float scale; + + scale = browser_window_get_scale(bw); - } else if (mouse & BROWSER_MOUSE_CLICK_2 && - mouse & BROWSER_MOUSE_MOD_1) { - msg_data.savelink.url = url; - msg_data.savelink.title = title; - content_broadcast(c, CONTENT_MSG_SAVELINK, &msg_data); + browser_window_get_position(mas->iframe, false, &pos_x, &pos_y); - } else if (mouse & (BROWSER_MOUSE_CLICK_1 | - BROWSER_MOUSE_CLICK_2)) - action = ACTION_GO; + if (mouse & BROWSER_MOUSE_CLICK_1 || + mouse & BROWSER_MOUSE_CLICK_2) { + browser_window_mouse_click(mas->iframe, + mouse, + (x * scale) - pos_x, + (y * scale) - pos_y); } else { - bool done = false; - - /* frame resizing */ - if (browser_window_frame_resize_start(bw, mouse, x, y, - &pointer)) { - if (mouse & (BROWSER_MOUSE_DRAG_1 | - BROWSER_MOUSE_DRAG_2)) { - status = messages_get("FrameDrag"); - } - done = true; + browser_window_mouse_track(mas->iframe, + mouse, + (x * scale) - pos_x, + (y * scale) - pos_y); + } + mas->result.action = ACTION_NOSEND; + + return NSERROR_OK; +} + + +/** + * process mouse activity on an html object + */ +static nserror +html_object_mouse_action(html_content *html, + struct browser_window *bw, + browser_mouse_state mouse, + int x, int y, + struct mouse_action_state *mas) +{ + bool click; + click = mouse & (BROWSER_MOUSE_PRESS_1 | BROWSER_MOUSE_PRESS_2 | + BROWSER_MOUSE_CLICK_1 | BROWSER_MOUSE_CLICK_2 | + BROWSER_MOUSE_DRAG_1 | BROWSER_MOUSE_DRAG_2); + + if (click && + (html->selection_type != HTML_SELECTION_CONTENT || + html->selection_owner.content != mas->html_object.box)) { + union html_selection_owner sel_owner; + sel_owner.none = true; + html_set_selection(html, HTML_SELECTION_NONE, sel_owner, true); + } + + if (mouse & BROWSER_MOUSE_CLICK_1 || + mouse & BROWSER_MOUSE_CLICK_2) { + content_mouse_action(mas->html_object.box->object, + bw, + mouse, + x - mas->html_object.pos_x, + y - mas->html_object.pos_y); + } else { + content_mouse_track(mas->html_object.box->object, + bw, + mouse, + x - mas->html_object.pos_x, + y - mas->html_object.pos_y); + } + + mas->result.action = ACTION_NOSEND; + return NSERROR_OK; +} + + +/** + * process mouse activity on a link + */ +static nserror +link_mouse_action(html_content *html, + struct browser_window *bw, + browser_mouse_state mouse, + int x, int y, + struct mouse_action_state *mas) +{ + nserror res; + char *url_s = NULL; + size_t url_l = 0; + static char status_buffer[200]; + union content_msg_data msg_data; + + if (nsoption_bool(display_decoded_idn) == true) { + res = nsurl_get_utf8(mas->link.url, &url_s, &url_l); + if (res != NSERROR_OK) { + /* Unable to obtain a decoded IDN. This is not + * a fatal error. Ensure the string pointer + * is NULL so we use the encoded version. + */ + url_s = NULL; } + } - /* if clicking in the main page, remove the selection from any - * text areas */ - if (!done) { + if (mas->title) { + snprintf(status_buffer, + sizeof status_buffer, + "%s: %s", + url_s ? url_s : nsurl_access(mas->link.url), + mas->title); + } else { + snprintf(status_buffer, + sizeof status_buffer, + "%s", + url_s ? url_s : nsurl_access(mas->link.url)); + } - if (click && html->focus_type != HTML_FOCUS_SELF) { - union html_focus_owner fo; - fo.self = true; - html_set_focus(html, HTML_FOCUS_SELF, fo, - true, 0, 0, 0, NULL); - } - if (click && html->selection_type != - HTML_SELECTION_SELF) { - sel_owner.none = true; - html_set_selection(html, HTML_SELECTION_NONE, - sel_owner, true); - } + if (url_s != NULL) { + free(url_s); + } + + mas->result.status = status_buffer; + + mas->result.pointer = get_pointer_shape(mas->link.box, + mas->link.is_imagemap); + + if (mouse & BROWSER_MOUSE_CLICK_1 && + mouse & BROWSER_MOUSE_MOD_1) { + /* force download of link */ + browser_window_navigate(bw, + mas->link.url, + content_get_url((struct content *)html), + BW_NAVIGATE_DOWNLOAD, + NULL, + NULL, + NULL); + + } else if (mouse & BROWSER_MOUSE_CLICK_2 && + mouse & BROWSER_MOUSE_MOD_1) { + msg_data.savelink.url = mas->link.url; + msg_data.savelink.title = mas->title; + content_broadcast((struct content *)html, + CONTENT_MSG_SAVELINK, + &msg_data); + + } else if (mouse & (BROWSER_MOUSE_CLICK_1 | BROWSER_MOUSE_CLICK_2)) { + mas->result.action = ACTION_GO; + } + + return NSERROR_OK; +} + + +/** + * process mouse activity if it is not anything else + */ +static nserror +default_mouse_action(html_content *html, + struct browser_window *bw, + browser_mouse_state mouse, + int x, int y, + struct mouse_action_state *mas) +{ + struct content *c = (struct content *)html; + bool done = false; + + /* frame resizing */ + if (browser_window_frame_resize_start(bw, mouse, x, y, &mas->result.pointer)) { + if (mouse & (BROWSER_MOUSE_DRAG_1 | BROWSER_MOUSE_DRAG_2)) { + mas->result.status = messages_get("FrameDrag"); + } + done = true; + } - if (text_box) { - int pixel_offset; - size_t idx; - - font_plot_style_from_css(&html->len_ctx, - text_box->style, &fstyle); - - guit->layout->position(&fstyle, - text_box->text, - text_box->length, - x - text_box_x, - &idx, - &pixel_offset); - - if (selection_click(&html->sel, mouse, - text_box->byte_offset + idx)) { - /* key presses must be directed at the - * main browser window, paste text - * operations ignored */ - html_drag_type drag_type; - union html_drag_owner drag_owner; - - if (selection_dragging(&html->sel)) { - drag_type = HTML_DRAG_SELECTION; - drag_owner.no_owner = true; - html_set_drag_type(html, - drag_type, - drag_owner, - NULL); - status = messages_get( - "Selecting"); - } - - done = true; + /* if clicking in the main page, remove the selection from any + * text areas */ + if (!done) { + union html_selection_owner sel_owner; + bool click; + click = mouse & (BROWSER_MOUSE_PRESS_1 | BROWSER_MOUSE_PRESS_2 | + BROWSER_MOUSE_CLICK_1 | BROWSER_MOUSE_CLICK_2 | + BROWSER_MOUSE_DRAG_1 | BROWSER_MOUSE_DRAG_2); + + if (click && html->focus_type != HTML_FOCUS_SELF) { + union html_focus_owner fo; + fo.self = true; + html_set_focus(html, HTML_FOCUS_SELF, fo, + true, 0, 0, 0, NULL); + } + if (click && html->selection_type != HTML_SELECTION_SELF) { + sel_owner.none = true; + html_set_selection(html, HTML_SELECTION_NONE, + sel_owner, true); + } + + if (mas->text.box) { + int pixel_offset; + size_t idx; + plot_font_style_t fstyle; + + font_plot_style_from_css(&html->len_ctx, + mas->text.box->style, + &fstyle); + + guit->layout->position(&fstyle, + mas->text.box->text, + mas->text.box->length, + x - mas->text.box_x, + &idx, + &pixel_offset); + + if (selection_click(&html->sel, + mouse, + mas->text.box->byte_offset + idx)) { + /* key presses must be directed at the + * main browser window, paste text + * operations ignored */ + html_drag_type drag_type; + union html_drag_owner drag_owner; + + if (selection_dragging(&html->sel)) { + drag_type = HTML_DRAG_SELECTION; + drag_owner.no_owner = true; + html_set_drag_type(html, + drag_type, + drag_owner, + NULL); + mas->result.status = messages_get("Selecting"); } - } else if (mouse & BROWSER_MOUSE_PRESS_1) { - sel_owner.none = true; - selection_clear(&html->sel, true); + done = true; } - if (selection_defined(&html->sel)) { - sel_owner.none = false; - html_set_selection(html, HTML_SELECTION_SELF, - sel_owner, true); - } else if (click && html->selection_type != - HTML_SELECTION_NONE) { - sel_owner.none = true; - html_set_selection(html, HTML_SELECTION_NONE, - sel_owner, true); - } + } else if (mouse & BROWSER_MOUSE_PRESS_1) { + sel_owner.none = true; + selection_clear(&html->sel, true); + } + + if (selection_defined(&html->sel)) { + sel_owner.none = false; + html_set_selection(html, + HTML_SELECTION_SELF, + sel_owner, + true); + } else if (click && + html->selection_type != HTML_SELECTION_NONE) { + sel_owner.none = true; + html_set_selection(html, + HTML_SELECTION_NONE, + sel_owner, + true); } + } - if (!done) { - if (title) - status = title; - - if (mouse & BROWSER_MOUSE_DRAG_1) { - if (mouse & BROWSER_MOUSE_MOD_2) { - msg_data.dragsave.type = - CONTENT_SAVE_COMPLETE; - msg_data.dragsave.content = NULL; - content_broadcast(c, - CONTENT_MSG_DRAGSAVE, - &msg_data); + if (!done) { + union content_msg_data msg_data; + if (mas->title) { + mas->result.status = mas->title; + } + + if (mouse & BROWSER_MOUSE_DRAG_1) { + if (mouse & BROWSER_MOUSE_MOD_2) { + msg_data.dragsave.type = CONTENT_SAVE_COMPLETE; + msg_data.dragsave.content = NULL; + content_broadcast(c, + CONTENT_MSG_DRAGSAVE, + &msg_data); + } else { + if (mas->drag_candidate == NULL) { + browser_window_page_drag_start(bw, + x, y); } else { - if (drag_candidate == NULL) { - browser_window_page_drag_start( - bw, x, y); - } else { - html_box_drag_start( - drag_candidate, - x, y); - } - pointer = BROWSER_POINTER_MOVE; + html_box_drag_start(mas->drag_candidate, + x, y); } + mas->result.pointer = BROWSER_POINTER_MOVE; } - else if (mouse & BROWSER_MOUSE_DRAG_2) { - if (mouse & BROWSER_MOUSE_MOD_2) { - msg_data.dragsave.type = - CONTENT_SAVE_SOURCE; - msg_data.dragsave.content = NULL; - content_broadcast(c, - CONTENT_MSG_DRAGSAVE, - &msg_data); + } else if (mouse & BROWSER_MOUSE_DRAG_2) { + if (mouse & BROWSER_MOUSE_MOD_2) { + msg_data.dragsave.type = CONTENT_SAVE_SOURCE; + msg_data.dragsave.content = NULL; + content_broadcast(c, + CONTENT_MSG_DRAGSAVE, + &msg_data); + } else { + if (mas->drag_candidate == NULL) { + browser_window_page_drag_start(bw, + x, y); } else { - if (drag_candidate == NULL) { - browser_window_page_drag_start( - bw, x, y); - } else { - html_box_drag_start( - drag_candidate, - x, y); - } - pointer = BROWSER_POINTER_MOVE; + html_box_drag_start(mas->drag_candidate, + x, y); } + mas->result.pointer = BROWSER_POINTER_MOVE; } } - if (mouse && mouse < BROWSER_MOUSE_MOD_1) { - /* ensure key presses still act on the browser window */ - union html_focus_owner fo; - fo.self = true; - html_set_focus(html, HTML_FOCUS_SELF, fo, - true, 0, 0, 0, NULL); + } + + if (mouse && mouse < BROWSER_MOUSE_MOD_1) { + /* ensure key presses still act on the browser window */ + union html_focus_owner fo; + fo.self = true; + html_set_focus(html, HTML_FOCUS_SELF, fo, true, 0, 0, 0, NULL); + } + + return NSERROR_OK; +} + + +/** + * handle non dragging mouse actions + */ +static nserror +mouse_action_drag_none(html_content *html, + struct browser_window *bw, + browser_mouse_state mouse, + int x, int y) +{ + struct content *c = (struct content *)html; + union content_msg_data msg_data; + + nserror res; + /** + * computed state + * + * not on heap to avoid allocation or stack because it is large + */ + static struct mouse_action_state mas; + + res = get_mouse_action_node(html, x, y, &mas); + if (res != NSERROR_OK) { + return res; + } + + if (mas.scroll.bar) { + mas.result.status = scrollbar_mouse_status_to_message( + scrollbar_mouse_action(mas.scroll.bar, + mouse, + mas.scroll.mouse_x, + mas.scroll.mouse_y)); + mas.result.pointer = BROWSER_POINTER_DEFAULT; + + } else if (mas.gadget.control) { + res = gadget_mouse_action(html, mouse, x, y, &mas); + + } else if ((mas.object != NULL) && (mouse & BROWSER_MOUSE_MOD_2)) { + + if (mouse & BROWSER_MOUSE_DRAG_2) { + msg_data.dragsave.type = CONTENT_SAVE_NATIVE; + msg_data.dragsave.content = mas.object; + content_broadcast(c, CONTENT_MSG_DRAGSAVE, &msg_data); + + } else if (mouse & BROWSER_MOUSE_DRAG_1) { + msg_data.dragsave.type = CONTENT_SAVE_ORIG; + msg_data.dragsave.content = mas.object; + content_broadcast(c, CONTENT_MSG_DRAGSAVE, &msg_data); } + + /* \todo should have a drag-saving object msg */ + + } else if (mas.iframe != NULL) { + res = iframe_mouse_action(bw, mouse, x, y, &mas); + + } else if (mas.html_object.box != NULL) { + res = html_object_mouse_action(html, bw, mouse, x, y, &mas); + + } else if (mas.link.url != NULL) { + res = link_mouse_action(html, bw, mouse, x, y, &mas); + + } else { + res = default_mouse_action(html, bw, mouse, x, y, &mas); + + } + if (res != NSERROR_OK) { + return res; } - if (!iframe && !html_object_box) { - msg_data.explicit_status_text = status; + /* send status and pointer message */ + if (mas.result.action != ACTION_NOSEND) { + msg_data.explicit_status_text = mas.result.status; content_broadcast(c, CONTENT_MSG_STATUS, &msg_data); - msg_data.pointer = pointer; + msg_data.pointer = mas.result.pointer; content_broadcast(c, CONTENT_MSG_POINTER, &msg_data); } /* fire dom click event */ if (mouse & BROWSER_MOUSE_CLICK_1) { - fire_generic_dom_event(corestring_dom_click, node, true, true); + fire_generic_dom_event(corestring_dom_click, mas.node, true, true); } /* deferred actions that can cause this browser_window to be destroyed * and must therefore be done after set_status/pointer */ - switch (action) { + switch (mas.result.action) { case ACTION_SUBMIT: res = form_submit(content_get_url(c), - browser_window_find_target(bw, target, mouse), - gadget->form, - gadget); + browser_window_find_target(bw, + mas.gadget.target, + mouse), + mas.gadget.control->form, + mas.gadget.control); break; case ACTION_GO: res = browser_window_navigate( - browser_window_find_target(bw, target, mouse), - url, + browser_window_find_target(bw, + mas.link.target, + mouse), + mas.link.url, content_get_url(c), BW_NAVIGATE_HISTORY, NULL, @@ -1197,15 +1395,74 @@ html_mouse_action(struct content *c, NULL); break; + case ACTION_NOSEND: case ACTION_NONE: res = NSERROR_OK; break; } + return res; +} + + +/* exported interface documented in html/interaction.h */ +nserror html_mouse_track(struct content *c, + struct browser_window *bw, + browser_mouse_state mouse, + int x, int y) +{ + return html_mouse_action(c, bw, mouse, x, y); +} + + +/* exported interface documented in html/interaction.h */ +nserror +html_mouse_action(struct content *c, + struct browser_window *bw, + browser_mouse_state mouse, + int x, int y) +{ + html_content *html = (html_content *)c; + nserror res; + + /* handle open select menu */ + if (html->visible_select_menu != NULL) { + return mouse_action_select_menu(html, bw, mouse, x, y); + } + + /* handle content drag */ + switch (html->drag_type) { + case HTML_DRAG_SELECTION: + res = mouse_action_drag_selection(html, bw, mouse, x, y); + break; + + case HTML_DRAG_SCROLLBAR: + res = mouse_action_drag_scrollbar(html, bw, mouse, x, y); + break; + + case HTML_DRAG_TEXTAREA_SELECTION: + case HTML_DRAG_TEXTAREA_SCROLLBAR: + res = mouse_action_drag_textarea(html, bw, mouse, x, y); + break; + + case HTML_DRAG_CONTENT_SELECTION: + case HTML_DRAG_CONTENT_SCROLL: + res = mouse_action_drag_content(html, bw, mouse, x, y); + break; + + case HTML_DRAG_NONE: + res = mouse_action_drag_none(html, bw, mouse, x, y); + break; + + default: + /* Unknown content related drag type */ + assert(0 && "Unknown content related drag type"); + } + if (res != NSERROR_OK) { NSLOG(netsurf, ERROR, "%s", messages_get_errorcode(res)); } - + return res; } @@ -1217,7 +1474,6 @@ html_mouse_action(struct content *c, * \param key The UCS4 character codepoint * \return true if key handled, false otherwise */ - bool html_keypress(struct content *c, uint32_t key) { html_content *html = (html_content *) c; |