コード例 #1
0
void html_mouse_action(struct content *c, struct browser_window *bw,
                       browser_mouse_state mouse, int x, int y)
{
    html_content *html = (html_content *) c;
    enum { ACTION_NONE, ACTION_SUBMIT, ACTION_GO } action = ACTION_NONE;
    const char *title = 0;
    nsurl *url = 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 *next_box;
    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;
    browser_drag_type drag_type = browser_window_get_drag_type(bw);
    union content_msg_data msg_data;
    struct dom_node *node = NULL;
    union html_drag_owner drag_owner;
    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);

    if (drag_type != DRAGGING_NONE && !mouse &&
            html->visible_select_menu != NULL) {
        /* drag end: select menu */
        form_select_mouse_drag_end(html->visible_select_menu,
                                   mouse, x, y);
    }

    if (html->visible_select_menu != NULL) {
        box = html->visible_select_menu->box;
        box_coords(box, &box_x, &box_y);

        box_x -= box->border[LEFT].width;
        box_y += box->height + box->border[BOTTOM].width +
                 box->padding[BOTTOM] + box->padding[TOP];
        status = form_select_mouse_action(html->visible_select_menu,
                                          mouse, x - box_x, y - box_y);
        if (status != NULL) {
            msg_data.explicit_status_text = status;
            content_broadcast(c, CONTENT_MSG_STATUS, msg_data);
        } else {
            int width, height;
            form_select_get_dimensions(html->visible_select_menu,
                                       &width, &height);
            html->visible_select_menu = NULL;
            browser_window_redraw_rect(bw, box_x, box_y,
                                       width, height);
        }
        return;
    }

    if (html->drag_type == HTML_DRAG_SELECTION) {
        /* Selection drag */
        struct box *box;
        int dir = -1;
        int dx, dy;

        if (!mouse) {
            /* End of selection drag */
            int dir = -1;
            size_t idx;

            if (selection_dragging_start(&html->sel))
                dir = 1;

            idx = html_selection_drag_end(html, mouse, x, y, dir);

            if (idx != 0)
                selection_track(&html->sel, mouse, idx);

            drag_owner.no_owner = true;
            html_set_drag_type(html, HTML_DRAG_NONE,
                               drag_owner, NULL);
            return;
        }

        if (selection_dragging_start(&html->sel))
            dir = 1;

        box = box_pick_text_box(html, x, y, dir, &dx, &dy);

        if (box != NULL) {
            int pixel_offset;
            size_t idx;
            plot_font_style_t fstyle;

            font_plot_style_from_css(box->style, &fstyle);

            nsfont.font_position_in_string(&fstyle,
                                           box->text, box->length,
                                           dx, &idx, &pixel_offset);

            selection_track(&html->sel, mouse,
                            box->byte_offset + idx);
        }
        return;
    }

    if (html->drag_type == HTML_DRAG_SCROLLBAR) {
        struct scrollbar *scr = html->drag_owner.scrollbar;
        struct html_scrollbar_data *data = scrollbar_get_data(scr);

        if (!mouse) {
            /* drag end: scrollbar */
            html_overflow_scroll_drag_end(scr, mouse, x, y);
        }

        box = data->box;
        box_coords(box, &box_x, &box_y);
        if (scrollbar_is_horizontal(scr)) {
            scroll_mouse_x = x - box_x ;
            scroll_mouse_y = y - (box_y + box->padding[TOP] +
                                  box->height + box->padding[BOTTOM] -
                                  SCROLLBAR_WIDTH);
            status = scrollbar_mouse_status_to_message(
                         scrollbar_mouse_action(scr, mouse,
                                                scroll_mouse_x,
                                                scroll_mouse_y));
        } else {
            scroll_mouse_x = x - (box_x + box->padding[LEFT] +
                                  box->width + box->padding[RIGHT] -
                                  SCROLLBAR_WIDTH);
            scroll_mouse_y = y - box_y;
            status = scrollbar_mouse_status_to_message(
                         scrollbar_mouse_action(scr, mouse,
                                                scroll_mouse_x,
                                                scroll_mouse_y));
        }

        msg_data.explicit_status_text = status;
        content_broadcast(c, CONTENT_MSG_STATUS, msg_data);
        return;
    }

    if (html->drag_type == HTML_DRAG_TEXTAREA_SELECTION ||
            html->drag_type == HTML_DRAG_TEXTAREA_SCROLLBAR) {
        box = html->drag_owner.textarea;
        assert(box->gadget != NULL);
        assert(box->gadget->type == GADGET_TEXTAREA ||
               box->gadget->type == GADGET_PASSWORD ||
               box->gadget->type == GADGET_TEXTBOX);

        box_coords(box, &box_x, &box_y);
        textarea_mouse_action(box->gadget->data.text.ta, mouse,
                              x - box_x, y - box_y);

        /* TODO: Set appropriate statusbar message */
        return;
    }

    if (html->drag_type == HTML_DRAG_CONTENT_SELECTION ||
            html->drag_type == HTML_DRAG_CONTENT_SCROLL) {
        box = html->drag_owner.content;
        assert(box->object != NULL);

        box_coords(box, &box_x, &box_y);
        content_mouse_track(box->object, bw, mouse,
                            x - box_x, y - box_y);
        return;
    }

    if (html->drag_type == HTML_DRAG_CONTENT_SELECTION) {
        box = html->drag_owner.content;
        assert(box->object != NULL);

        box_coords(box, &box_x, &box_y);
        content_mouse_track(box->object, bw, mouse,
                            x - box_x, y - box_y);
        return;
    }

    /* Content related drags handled by now */
    assert(html->drag_type == HTML_DRAG_NONE);

    /* 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
     */
    while ((next_box = box_at_point(box, x, y, &box_x, &box_y)) != NULL) {
        box = next_box;

        if ((box->style != NULL) &&
                (css_computed_visibility(box->style) ==
                 CSS_VISIBILITY_HIDDEN)) {
            continue;
        }

        if (box->node != NULL) {
            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;
            } else {
                object = box->object;
            }
        }

        if (box->iframe) {
            iframe = box->iframe;
        }

        if (box->href) {
            url = box->href;
            target = box->target;
            url_box = box;
        }

        if (box->usemap) {
            url = imagemap_get(html, box->usemap,
                               box_x, box_y, x, y, &target);
            if (url) {
                imagemap = true;
                url_box = box;
            }
        }

        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;
        }

        if (box->title) {
            title = box->title;
        }

        pointer = get_pointer_shape(box, false);

        if ((box->scroll_x != NULL) ||
                (box->scroll_y != NULL)) {

            if (drag_candidate == NULL) {
                drag_candidate = box;
            }

            padding_left = box_x +
                           scrollbar_get_offset(box->scroll_x);
            padding_right = padding_left + box->padding[LEFT] +
                            box->width + box->padding[RIGHT];
            padding_top = box_y +
                          scrollbar_get_offset(box->scroll_y);
            padding_bottom = padding_top + box->padding[TOP] +
                             box->height + box->padding[BOTTOM];

            if ((x > padding_left) &&
                    (x < padding_right) &&
                    (y > padding_top) &&
                    (y < padding_bottom)) {
                /* mouse inside padding box */

                if ((box->scroll_y != NULL) &&
                        (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;
                    break;

                } else if ((box->scroll_x != NULL) &&
                           (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);
                    break;
                }
            }
        }

        if (box->text && !box->object) {
            text_box = box;
            text_box_x = box_x;
        }
    }

    /* 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 */

    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;
                form_open_select_menu(c, gadget,
                                      form_select_menu_callback,
                                      c);
                pointer = BROWSER_POINTER_DEFAULT;
            } else if (mouse & BROWSER_MOUSE_CLICK_1)
                gui_create_form_select_menu(bw, gadget);
            break;
        case GADGET_CHECKBOX:
            status = messages_get("FormCheckbox");
            if (mouse & BROWSER_MOUSE_CLICK_1) {
                gadget->selected = !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(html, gadget);
            break;
        case GADGET_IMAGE:
            if (mouse & BROWSER_MOUSE_CLICK_1) {
                gadget->data.image.mx = x - gadget_box_x;
                gadget->data.image.my = y - gadget_box_y;
            }
        /* drop 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);
            }

            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");
            break;
        case GADGET_BUTTON:
            /* This gadget cannot be activated */
            status = messages_get("FormButton");
            break;
        }

    } else if (object && (mouse & BROWSER_MOUSE_MOD_2)) {
コード例 #2
0
ファイル: box_textarea.c プロジェクト: arczi84/NetSurf-68k
/**
 * Callback for html form textareas.
 */
static void box_textarea_callback(void *data, struct textarea_msg *msg)
{
	struct form_textarea_data *d = data;
	struct form_control *gadget = d->gadget;
	struct html_content *html = d->gadget->html;
	struct box *box = gadget->box;

	switch (msg->type) {
	case TEXTAREA_MSG_DRAG_REPORT:
		if (msg->data.drag == TEXTAREA_DRAG_NONE) {
			/* Textarea drag finished */
			html_drag_type drag_type = HTML_DRAG_NONE;
			union html_drag_owner drag_owner;
			drag_owner.no_owner = true;

			html_set_drag_type(html, drag_type, drag_owner,
					NULL);
		} else {
			/* Textarea drag started */
			struct rect rect = {
				.x0 = INT_MIN,
				.y0 = INT_MIN,
				.x1 = INT_MAX,
				.y1 = INT_MAX
			};
			union html_drag_owner drag_owner;
			drag_owner.textarea = box;

			switch (msg->data.drag) {
			case TEXTAREA_DRAG_SCROLLBAR:
				html_set_drag_type(html,
						   HTML_DRAG_TEXTAREA_SCROLLBAR,
						   drag_owner,
						   &rect);
				break;

			case TEXTAREA_DRAG_SELECTION:
				html_set_drag_type(html,
						   HTML_DRAG_TEXTAREA_SELECTION,
						   drag_owner,
						   &rect);
				break;

			default:
				LOG("Drag type %d not handled.", msg->data.drag);
				/* This is a logic faliure in the
				 * front end code so abort.
				 */
				assert(0);
				break;
			}
		}
		break;

	case TEXTAREA_MSG_REDRAW_REQUEST:
	{
		/* Request redraw of the required textarea rectangle */
		int x, y;

		if (html->reflowing == true) {
			/* Can't redraw during layout, and it will
			 * be redrawn after layout anyway. */
			break;
		}

		box_coords(box, &x, &y);

		content__request_redraw((struct content *)html,
				x + msg->data.redraw.x0,
				y + msg->data.redraw.y0,
				msg->data.redraw.x1 - msg->data.redraw.x0,
				msg->data.redraw.y1 - msg->data.redraw.y0);
	}
		break;

	case TEXTAREA_MSG_SELECTION_REPORT:
		if (msg->data.selection.have_selection) {
			/* Textarea now has a selection */
			union html_selection_owner sel_owner;
			sel_owner.textarea = box;

			html_set_selection(html, HTML_SELECTION_TEXTAREA,
					sel_owner,
					msg->data.selection.read_only);
		} else {
			/* The textarea now has no selection */
			union html_selection_owner sel_owner;
			sel_owner.none = true;

			html_set_selection(html, HTML_SELECTION_NONE,
					sel_owner, true);
		}
		break;

	case TEXTAREA_MSG_CARET_UPDATE:
		if (html->bw == NULL)
			break;

		if (msg->data.caret.type == TEXTAREA_CARET_HIDE) {
			union html_focus_owner focus_owner;
			focus_owner.textarea = box;
			html_set_focus(html, HTML_FOCUS_TEXTAREA,
					focus_owner, true, 0, 0, 0, NULL);
		} else {
			union html_focus_owner focus_owner;
			focus_owner.textarea = box;
			html_set_focus(html, HTML_FOCUS_TEXTAREA,
					focus_owner, false,
					msg->data.caret.pos.x,
					msg->data.caret.pos.y,
					msg->data.caret.pos.height,
					msg->data.caret.pos.clip);
		}
		break;

	case TEXTAREA_MSG_TEXT_MODIFIED:
		form_gadget_update_value(gadget,
					 strndup(msg->data.modified.text,
						 msg->data.modified.len));
		break;
	}
}
コード例 #3
0
ファイル: html_object.c プロジェクト: EyMenZ/NetSurf-OS3
static nserror
html_object_callback(hlcache_handle *object,
		     const hlcache_event *event,
		     void *pw)
{
	struct content_html_object *o = pw;
	html_content *c = (html_content *) o->parent;
	int x, y;
	struct box *box;

	assert(c->base.status != CONTENT_STATUS_ERROR);

	box = o->box;
	if (box == NULL && event->type != CONTENT_MSG_ERROR) {
		return NSERROR_OK;
	}

	switch (event->type) {
	case CONTENT_MSG_LOADING:
		if (c->base.status != CONTENT_STATUS_LOADING && c->bw != NULL)
			content_open(object,
					c->bw, &c->base,
					box->object_params);
		break;

	case CONTENT_MSG_READY:
		if (content_can_reformat(object)) {
			/* TODO: avoid knowledge of box internals here */
			content_reformat(object, false,
					box->max_width != UNKNOWN_MAX_WIDTH ?
							box->width : 0,
					box->max_width != UNKNOWN_MAX_WIDTH ?
							box->height : 0);

			/* Adjust parent content for new object size */
			html_object_done(box, object, o->background);
			if (c->base.status == CONTENT_STATUS_READY ||
					c->base.status == CONTENT_STATUS_DONE)
				content__reformat(&c->base, false,
						c->base.available_width,
						c->base.height);
		}
		break;

	case CONTENT_MSG_DONE:
		c->base.active--;
		LOG("%d fetches active", c->base.active);

		html_object_done(box, object, o->background);

		if (c->base.status != CONTENT_STATUS_LOADING &&
				box->flags & REPLACE_DIM) {
			union content_msg_data data;

			if (!box_visible(box))
				break;

			box_coords(box, &x, &y);

			data.redraw.x = x + box->padding[LEFT];
			data.redraw.y = y + box->padding[TOP];
			data.redraw.width = box->width;
			data.redraw.height = box->height;
			data.redraw.full_redraw = true;

			content_broadcast(&c->base, CONTENT_MSG_REDRAW, data);
		}
		break;

	case CONTENT_MSG_ERROR:
		hlcache_handle_release(object);

		o->content = NULL;

		if (box != NULL) {
			c->base.active--;
			LOG("%d fetches active", c->base.active);

			content_add_error(&c->base, "?", 0);
			html_object_failed(box, c, o->background);
		}
		break;

	case CONTENT_MSG_REDRAW:
		if (c->base.status != CONTENT_STATUS_LOADING) {
			union content_msg_data data = event->data;

			if (!box_visible(box))
				break;

			box_coords(box, &x, &y);

			if (object == box->background) {
				/* Redraw request is for background */
				css_fixed hpos = 0, vpos = 0;
				css_unit hunit = CSS_UNIT_PX;
				css_unit vunit = CSS_UNIT_PX;
				int width = box->padding[LEFT] + box->width +
						box->padding[RIGHT];
				int height = box->padding[TOP] + box->height +
						box->padding[BOTTOM];
				int t, h, l, w;

				/* Need to know background-position */
				css_computed_background_position(box->style,
						&hpos, &hunit, &vpos, &vunit);

				w = content_get_width(box->background);
				if (hunit == CSS_UNIT_PCT) {
					l = (width - w) * hpos / INTTOFIX(100);
				} else {
					l = FIXTOINT(nscss_len2px(hpos, hunit,
							box->style));
				}

				h = content_get_height(box->background);
				if (vunit == CSS_UNIT_PCT) {
					t = (height - h) * vpos / INTTOFIX(100);
				} else {
					t = FIXTOINT(nscss_len2px(vpos, vunit,
							box->style));
				}

				/* Redraw area depends on background-repeat */
				switch (css_computed_background_repeat(
						box->style)) {
				case CSS_BACKGROUND_REPEAT_REPEAT:
					data.redraw.x = 0;
					data.redraw.y = 0;
					data.redraw.width = box->width;
					data.redraw.height = box->height;
					break;

				case CSS_BACKGROUND_REPEAT_REPEAT_X:
					data.redraw.x = 0;
					data.redraw.y += t;
					data.redraw.width = box->width;
					break;

				case CSS_BACKGROUND_REPEAT_REPEAT_Y:
					data.redraw.x += l;
					data.redraw.y = 0;
					data.redraw.height = box->height;
					break;

				case CSS_BACKGROUND_REPEAT_NO_REPEAT:
					data.redraw.x += l;
					data.redraw.y += t;
					break;

				default:
					break;
				}

				data.redraw.object_width = box->width;
				data.redraw.object_height = box->height;

				/* Add offset to box */
				data.redraw.x += x;
				data.redraw.y += y;
				data.redraw.object_x += x;
				data.redraw.object_y += y;

				content_broadcast(&c->base,
						CONTENT_MSG_REDRAW, data);
				break;

			} else {
				/* Non-background case */
				if (hlcache_handle_get_content(object) ==
						event->data.redraw.object) {

					int w = content_get_width(object);
					int h = content_get_height(object);

					if (w != 0) {
						data.redraw.x =
							data.redraw.x *
							box->width / w;
						data.redraw.width =
							data.redraw.width *
							box->width / w;
					}

					if (h != 0) {
						data.redraw.y =
							data.redraw.y *
							box->height / h;
						data.redraw.height =
							data.redraw.height *
							box->height / h;
					}

					data.redraw.object_width = box->width;
					data.redraw.object_height = box->height;
				}

				data.redraw.x += x + box->padding[LEFT];
				data.redraw.y += y + box->padding[TOP];
				data.redraw.object_x += x + box->padding[LEFT];
				data.redraw.object_y += y + box->padding[TOP];
			}

			content_broadcast(&c->base, CONTENT_MSG_REDRAW, data);
		}
		break;

	case CONTENT_MSG_REFRESH:
		if (content_get_type(object) == CONTENT_HTML) {
			/* only for HTML objects */
			guit->misc->schedule(event->data.delay * 1000,
					html_object_refresh, o);
		}

		break;

	case CONTENT_MSG_LINK:
		/* Don't care about favicons that aren't on top level content */
		break;

	case CONTENT_MSG_GETCTX:
		*(event->data.jscontext) = NULL;
		break;

	case CONTENT_MSG_SCROLL:
		if (box->scroll_x != NULL)
			scrollbar_set(box->scroll_x, event->data.scroll.x0,
					false);
		if (box->scroll_y != NULL)
			scrollbar_set(box->scroll_y, event->data.scroll.y0,
					false);
		break;

	case CONTENT_MSG_DRAGSAVE:
	{
		union content_msg_data msg_data;
		if (event->data.dragsave.content == NULL)
			msg_data.dragsave.content = object;
		else
			msg_data.dragsave.content =
					event->data.dragsave.content;

		content_broadcast(&c->base, CONTENT_MSG_DRAGSAVE, msg_data);
	}
		break;

	case CONTENT_MSG_SAVELINK:
	case CONTENT_MSG_POINTER:
	case CONTENT_MSG_SELECTMENU:
	case CONTENT_MSG_GADGETCLICK:
		/* These messages are for browser window layer.
		 * we're not interested, so pass them on. */
		content_broadcast(&c->base, event->type, event->data);
		break;

	case CONTENT_MSG_CARET:
	{
		union html_focus_owner focus_owner;
		focus_owner.content = box;

		switch (event->data.caret.type) {
		case CONTENT_CARET_REMOVE:
		case CONTENT_CARET_HIDE:
			html_set_focus(c, HTML_FOCUS_CONTENT, focus_owner,
					true, 0, 0, 0, NULL);
			break;
		case CONTENT_CARET_SET_POS:
			html_set_focus(c, HTML_FOCUS_CONTENT, focus_owner,
					false, event->data.caret.pos.x,
					event->data.caret.pos.y,
					event->data.caret.pos.height,
					event->data.caret.pos.clip);
			break;
		}
	}
		break;

	case CONTENT_MSG_DRAG:
	{
		html_drag_type drag_type = HTML_DRAG_NONE;
		union html_drag_owner drag_owner;
		drag_owner.content = box;

		switch (event->data.drag.type) {
		case CONTENT_DRAG_NONE:
			drag_type = HTML_DRAG_NONE;
			drag_owner.no_owner = true;
			break;
		case CONTENT_DRAG_SCROLL:
			drag_type = HTML_DRAG_CONTENT_SCROLL;
			break;
		case CONTENT_DRAG_SELECTION:
			drag_type = HTML_DRAG_CONTENT_SELECTION;
			break;
		}
		html_set_drag_type(c, drag_type, drag_owner,
				event->data.drag.rect);
	}
		break;

	case CONTENT_MSG_SELECTION:
	{
		html_selection_type sel_type;
		union html_selection_owner sel_owner;

		if (event->data.selection.selection) {
			sel_type = HTML_SELECTION_CONTENT;
			sel_owner.content = box;
		} else {
			sel_type = HTML_SELECTION_NONE;
			sel_owner.none = true;
		}
		html_set_selection(c, sel_type, sel_owner,
				event->data.selection.read_only);
	}
		break;

	default:
		break;
	}

	if (c->base.status == CONTENT_STATUS_READY && c->base.active == 0 &&
			(event->type == CONTENT_MSG_LOADING ||
			event->type == CONTENT_MSG_DONE ||
			event->type == CONTENT_MSG_ERROR)) {
		/* all objects have arrived */
		content__reformat(&c->base, false, c->base.available_width,
				c->base.height);
		content_set_done(&c->base);
	}

	/* If  1) the configuration option to reflow pages while objects are
	 *        fetched is set
	 *     2) an object is newly fetched & converted,
	 *     3) the box's dimensions need to change due to being replaced
	 *     4) the object's parent HTML is ready for reformat,
	 *     5) the time since the previous reformat is more than the
	 *        configured minimum time between reformats
	 * then reformat the page to display newly fetched objects */
	else if (nsoption_bool(incremental_reflow) &&
			event->type == CONTENT_MSG_DONE &&
			box != NULL && !(box->flags & REPLACE_DIM) &&
			(c->base.status == CONTENT_STATUS_READY ||
			 c->base.status == CONTENT_STATUS_DONE) &&
			(wallclock() > c->base.reformat_time)) {
		content__reformat(&c->base, false, c->base.available_width,
				c->base.height);
	}

	return NSERROR_OK;
}