void html_mouse_track(struct content *c, struct browser_window *bw,
browser_mouse_state mouse, int x, int y)
{
html_content *html = (html_content*) c;
browser_drag_type drag_type = browser_window_get_drag_type(bw);
if (drag_type == DRAGGING_SELECTION && !mouse) {
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);
browser_window_set_drag_type(bw, DRAGGING_NONE, NULL);
}
switch (drag_type) {
case DRAGGING_SELECTION: {
struct box *box;
int dir = -1;
int dx, dy;
if (selection_dragging_start(&html->sel))
dir = 1;
box = box_pick_text_box(html, x, y, dir, &dx, &dy);
if (box) {
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);
}
}
break;
default:
html_mouse_action(c, bw, mouse, x, y);
break;
}
}
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)) {
