/**
* Should be called when the caret is placed into a URL completion icon.
*
* \param g the gui_window to initialise URL completion for
*/
void ro_gui_url_complete_start(struct gui_window *g)
{
const char *url;
if ((!g->toolbar) || (!g->toolbar->display_url) ||
(g->window == url_complete_parent))
return;
ro_gui_url_complete_close(NULL, 0);
url = ro_gui_get_icon_string(g->toolbar->toolbar_handle,
ICON_TOOLBAR_URL);
url_complete_matched_string = strdup(url);
if (url_complete_matched_string)
url_complete_parent = g->window;
}
void ro_gui_url_complete_start(struct toolbar *toolbar)
{
const char *url;
wimp_w parent;
assert(toolbar != NULL);
parent = ro_toolbar_get_parent_window(toolbar);
if (!ro_toolbar_get_display_url(toolbar) ||
(parent == url_complete_parent))
return;
ro_gui_url_complete_close();
url = ro_toolbar_get_url(toolbar);
if (url != NULL) {
url_complete_matched_string = strdup(url);
if (url_complete_matched_string)
url_complete_parent = parent;
}
}
bool ro_gui_url_complete_keypress(struct toolbar *toolbar, uint32_t key)
{
wimp_w parent;
wimp_window_state state;
char *match_url;
const char *url;
int old_selection;
int height;
os_error *error;
bool currently_open;
assert(toolbar != NULL);
parent = ro_toolbar_get_parent_window(toolbar);
/* we must have a toolbar/url bar */
if (!ro_toolbar_get_display_url(toolbar) ||
(!nsoption_bool(url_suggestion))) {
ro_gui_url_complete_close();
return false;
}
/* if we are currently active elsewhere, remove the previous window */
currently_open = ((parent == url_complete_parent) &&
(url_complete_matches_available > 0));
if (parent != url_complete_parent)
ro_gui_url_complete_close();
/* forcibly open on down keys */
if ((!currently_open) && (url_complete_matched_string)) {
switch (key) {
case IS_WIMP_KEY | wimp_KEY_DOWN:
case IS_WIMP_KEY | wimp_KEY_PAGE_DOWN:
case IS_WIMP_KEY | wimp_KEY_CONTROL | wimp_KEY_DOWN:
free(url_complete_matched_string);
url_complete_matched_string = NULL;
}
}
/* get the text to match */
url_complete_parent = parent;
url = ro_toolbar_get_url(toolbar);
match_url = (url != NULL) ? strdup(url) : NULL;
if (match_url == NULL) {
ro_gui_url_complete_close();
return false;
}
/* if the text to match has changed then update it */
if ((!url_complete_matched_string) ||
(strcmp(match_url, url_complete_matched_string))) {
/* memorize the current matches */
int i;
int lines = MAXIMUM_VISIBLE_LINES;
if (lines > url_complete_matches_available)
lines = url_complete_matches_available;
if (url_complete_matches) {
for (i = 0; i < MAXIMUM_VISIBLE_LINES; i++) {
if (i < lines) {
url_complete_redraw[i] =
url_complete_matches[i];
} else {
url_complete_redraw[i] = NULL;
}
}
}
/* our selection gets wiped */
error = xwimp_force_redraw(dialog_url_complete,
0,
-(url_complete_matches_selection + 1) * 44,
65536, -url_complete_matches_selection * 44);
if (error) {
LOG("xwimp_force_redraw: 0x%x: %s", error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
}
/* clear our state */
free(url_complete_original_url);
free(url_complete_matched_string);
url_complete_matched_string = match_url;
url_complete_original_url = NULL;
url_complete_matches_available = 0;
url_complete_matches_selection = -1;
url_complete_keypress_selection = -1;
/* get some initial memory */
if (!url_complete_matches) {
url_complete_matches = malloc(64 * sizeof(char *));
if (!url_complete_matches) {
ro_gui_url_complete_close();
return false;
}
url_complete_matches_allocated = 64;
}
/* find matches */
url_complete_memory_exhausted = false;
if (strlen(match_url) == 0)
urldb_iterate_entries(url_complete_callback);
else
urldb_iterate_partial(match_url, url_complete_callback);
if ((url_complete_memory_exhausted) ||
(url_complete_matches_available == 0)) {
ro_gui_url_complete_close();
return false;
}
/* update the window */
state.w = parent;
error = xwimp_get_window_state(&state);
if (error) {
LOG("xwimp_get_window_state: 0x%x: %s", error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
return false;
}
url_complete_matches_reset = true;
ro_gui_url_complete_resize(toolbar, PTR_WIMP_OPEN(&state));
url_complete_matches_reset = false;
/* redraw the relevant bits of the window */
lines = MAXIMUM_VISIBLE_LINES;
if (lines > url_complete_matches_available)
lines = url_complete_matches_available;
for (i = 0; i < lines; i++) {
if (url_complete_redraw[i] !=
url_complete_matches[i]) {
error = xwimp_force_redraw(dialog_url_complete,
0, -(i + 1) * 44, 65536, -i * 44);
if (error) {
LOG("xwimp_force_redraw: 0x%x: %s", error->errnum, error->errmess);
ro_warn_user("WimpError",
error->errmess);
}
}
}
} else {
free(match_url);
}
/* handle keypresses */
if (!currently_open)
return false;
old_selection = url_complete_matches_selection;
switch (key) {
case IS_WIMP_KEY | wimp_KEY_UP:
url_complete_matches_selection--;
break;
case IS_WIMP_KEY | wimp_KEY_DOWN:
url_complete_matches_selection++;
break;
case IS_WIMP_KEY | wimp_KEY_PAGE_UP:
url_complete_matches_selection -=
MAXIMUM_VISIBLE_LINES;
break;
case IS_WIMP_KEY | wimp_KEY_PAGE_DOWN:
url_complete_matches_selection +=
MAXIMUM_VISIBLE_LINES;
break;
case IS_WIMP_KEY | wimp_KEY_CONTROL | wimp_KEY_UP:
url_complete_matches_selection = 0;
break;
case IS_WIMP_KEY | wimp_KEY_CONTROL | wimp_KEY_DOWN:
url_complete_matches_selection = 65536;
break;
}
if (url_complete_matches_selection >
url_complete_matches_available - 1)
url_complete_matches_selection =
url_complete_matches_available - 1;
else if (url_complete_matches_selection < -1)
url_complete_matches_selection = -1;
if (old_selection == url_complete_matches_selection)
return false;
error = xwimp_force_redraw(dialog_url_complete,
0, -(old_selection + 1) * 44,
65536, -old_selection * 44);
if (error) {
LOG("xwimp_force_redraw: 0x%x: %s", error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
}
error = xwimp_force_redraw(dialog_url_complete,
0, -(url_complete_matches_selection + 1) * 44,
65536, -url_complete_matches_selection * 44);
if (error) {
LOG("xwimp_force_redraw: 0x%x: %s", error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
}
if (old_selection == -1) {
free(url_complete_original_url);
url_complete_original_url = malloc(strlen(url) + 1);
if (!url_complete_original_url)
return false;
strcpy(url_complete_original_url, url);
}
if (url_complete_matches_selection == -1) {
ro_toolbar_set_url(toolbar,
url_complete_original_url, true, false);
} else {
ro_toolbar_set_url(toolbar,
nsurl_access(url_complete_matches[
url_complete_matches_selection]),
true, false);
free(url_complete_matched_string);
url_complete_matched_string = strdup(nsurl_access(
url_complete_matches[
url_complete_matches_selection]));
}
url_complete_keypress_selection = url_complete_matches_selection;
/* auto-scroll */
state.w = dialog_url_complete;
error = xwimp_get_window_state(&state);
if (error) {
LOG("xwimp_get_window_state: 0x%x: %s", error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
return true;
}
if (state.yscroll < -(url_complete_matches_selection * 44))
state.yscroll = -(url_complete_matches_selection * 44);
height = state.visible.y1 - state.visible.y0;
if (state.yscroll - height >
-((url_complete_matches_selection + 1) * 44))
state.yscroll =
-((url_complete_matches_selection + 1) * 44) + height;
error = xwimp_open_window(PTR_WIMP_OPEN(&state));
if (error) {
LOG("xwimp_open_window: 0x%x: %s", error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
return true;
}
return true;
}
bool ro_gui_url_complete_click(wimp_pointer *pointer)
{
wimp_window_state state;
os_error *error;
int selection;
struct gui_window *g;
if ((mouse_x == pointer->pos.x) && (mouse_y == pointer->pos.y) &&
(!pointer->buttons))
return false;
mouse_x = pointer->pos.x;
mouse_y = pointer->pos.y;
state.w = dialog_url_complete;
error = xwimp_get_window_state(&state);
if (error) {
LOG("xwimp_get_window_state: 0x%x: %s", error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
return false;
}
selection = (state.visible.y1 - pointer->pos.y - state.yscroll) / 44;
if (selection != url_complete_matches_selection) {
int old_selection;
if (url_complete_matches_selection == -1) {
const char *url;
g = ro_gui_window_lookup(url_complete_parent);
if (!g)
return false;
url = ro_toolbar_get_url(g->toolbar);
free(url_complete_original_url);
url_complete_original_url = strdup(url);
if (!url_complete_original_url)
return false;
}
old_selection = url_complete_matches_selection;
url_complete_matches_selection = selection;
error = xwimp_force_redraw(dialog_url_complete,
0, -(old_selection + 1) * 44,
65536, -old_selection * 44);
if (error) {
LOG("xwimp_force_redraw: 0x%x: %s", error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
}
error = xwimp_force_redraw(dialog_url_complete,
0, -(url_complete_matches_selection + 1) * 44,
65536, -url_complete_matches_selection * 44);
if (error) {
LOG("xwimp_force_redraw: 0x%x: %s", error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
}
}
if (!pointer->buttons)
return true;
/* find owning window */
g = ro_gui_window_lookup(url_complete_parent);
if (!g)
return false;
/* Select sets the text and launches */
if (pointer->buttons == wimp_CLICK_SELECT) {
ro_toolbar_set_url(g->toolbar,
nsurl_access(url_complete_matches[
url_complete_matches_selection]),
true, false);
/** \todo The interaction of components here is hideous */
/* Do NOT make any attempt to use any of the global url
* completion variables after this call to browser_window_navigate.
* They will be invalidated by (at least):
* + ro_gui_window_set_url
* + destruction of (i)frames within the current page
* Any attempt to use them will probably result in a crash.
*/
browser_window_navigate(g->bw,
url_complete_matches[url_complete_matches_selection],
NULL,
BW_NAVIGATE_HISTORY,
NULL,
NULL,
NULL);
ro_gui_url_complete_close();
/* Adjust just sets the text */
} else if (pointer->buttons == wimp_CLICK_ADJUST) {
ro_toolbar_set_url(g->toolbar,
nsurl_access(url_complete_matches[
url_complete_matches_selection]),
true, false);
ro_gui_url_complete_keypress(g->toolbar, 0);
}
return true;
}
void ro_gui_url_complete_resize(struct toolbar *toolbar, wimp_open *open)
{
os_box extent = { 0, 0, 0, 0 };
os_box url_extent;
wimp_window_state toolbar_state;
wimp_window_state state;
os_error *error;
int lines;
int scroll_v = 0;
/* only react to our window */
if (open->w != url_complete_parent)
return;
/* if there is no toolbar, or there is no URL bar shown,
* or there are no URL matches, close it */
if (!ro_toolbar_get_display_url(toolbar) ||
(!url_complete_matches) ||
(url_complete_matches_available == 0)) {
ro_gui_url_complete_close();
return;
}
/* get our current auto-complete window state for the scroll values */
state.w = dialog_url_complete;
error = xwimp_get_window_state(&state);
if (error) {
LOG("xwimp_get_window_state: 0x%x: %s", error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
return;
}
if (url_complete_matches_reset)
state.yscroll = 0;
/* move the window to the correct position */
toolbar_state.w = ro_toolbar_get_window(toolbar);
error = xwimp_get_window_state(&toolbar_state);
if (error) {
LOG("xwimp_get_window_state: 0x%x: %s", error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
return;
}
if (!ro_toolbar_get_url_field_extent(toolbar, &url_extent)) {
LOG("Failed to read URL field extent.");
return;
}
lines = url_complete_matches_available;
extent.y0 = -(lines * 44);
extent.x1 = 65536;
error = xwimp_set_extent(dialog_url_complete, &extent);
if (error) {
LOG("xwimp_set_extent: 0x%x: %s", error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
return;
}
state.next = open->next;
state.flags &= ~wimp_WINDOW_VSCROLL;
state.flags &= ~(4095 << 16); /* clear bits 16-27 */
if (lines > MAXIMUM_VISIBLE_LINES) {
lines = MAXIMUM_VISIBLE_LINES;
scroll_v = ro_get_vscroll_width(NULL) - 2;
state.flags |= wimp_WINDOW_VSCROLL;
}
state.visible.x0 = open->visible.x0 + 2 + url_extent.x0;
state.visible.x1 = open->visible.x0 - 2 + url_extent.x1 - scroll_v;
state.visible.y1 = open->visible.y1 - url_extent.y1 + 2;
state.visible.y0 = state.visible.y1 - (lines * 44);
if (state.visible.x1 + scroll_v > toolbar_state.visible.x1)
state.visible.x1 = toolbar_state.visible.x1 - scroll_v;
if (state.visible.x1 - state.visible.x0 < 0) {
error = xwimp_close_window(dialog_url_complete);
if (error) {
LOG("xwimp_close_window: 0x%x: %s", error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
}
} else {
error = xwimp_open_window_nested_with_flags(&state,
(wimp_w)-1, 0);
if (error) {
LOG("xwimp_open_window: 0x%x: %s", error->errnum, error->errmess);
ro_warn_user("WimpError", error->errmess);
return;
}
open->next = dialog_url_complete;
}
}
