/* Helper function; see sc_display_link and sc_follow. */
static bool
draw_links(zathura_t* zathura)
{
/* set pages to draw links */
bool show_links = false;
unsigned int page_offset = 0;
const unsigned int number_of_pages = zathura_document_get_number_of_pages(zathura->document);
for (unsigned int page_id = 0; page_id < number_of_pages; page_id++) {
zathura_page_t* page = zathura_document_get_page(zathura->document, page_id);
if (page == NULL) {
continue;
}
GtkWidget* page_widget = zathura_page_get_widget(zathura, page);
GObject* obj_page_widget = G_OBJECT(page_widget);
g_object_set(obj_page_widget, "draw-search-results", FALSE, NULL);
if (zathura_page_get_visibility(page) == true) {
g_object_set(obj_page_widget, "draw-links", TRUE, NULL);
int number_of_links = 0;
g_object_get(obj_page_widget, "number-of-links", &number_of_links, NULL);
if (number_of_links != 0) {
show_links = true;
}
g_object_set(obj_page_widget, "offset-links", page_offset, NULL);
page_offset += number_of_links;
} else {
g_object_set(obj_page_widget, "draw-links", FALSE, NULL);
}
}
return show_links;
}
bool
cb_sc_follow(GtkEntry* entry, girara_session_t* session)
{
g_return_val_if_fail(session != NULL, FALSE);
g_return_val_if_fail(session->global.data != NULL, FALSE);
zathura_t* zathura = session->global.data;
bool eval = true;
char* input = gtk_editable_get_chars(GTK_EDITABLE(entry), 0, -1);
if (input == NULL || strlen(input) == 0) {
eval = false;
}
int index = 0;
if (eval == true) {
index = atoi(input);
if (index == 0 && g_strcmp0(input, "0") != 0) {
girara_notify(session, GIRARA_WARNING, _("Invalid input '%s' given."), input);
eval = false;
}
index = index - 1;
}
/* set pages to draw links */
bool invalid_index = true;
unsigned int number_of_pages = zathura_document_get_number_of_pages(zathura->document);
for (unsigned int page_id = 0; page_id < number_of_pages; page_id++) {
zathura_page_t* page = zathura_document_get_page(zathura->document, page_id);
if (page == NULL || zathura_page_get_visibility(page) == false) {
continue;
}
GtkWidget* page_widget = zathura_page_get_widget(zathura, page);
g_object_set(page_widget, "draw-links", FALSE, NULL);
if (eval == true) {
zathura_link_t* link = zathura_page_widget_link_get(ZATHURA_PAGE(page_widget), index);
if (link != NULL) {
zathura_link_evaluate(zathura, link);
invalid_index = false;
}
}
}
if (eval == true && invalid_index == true) {
girara_notify(session, GIRARA_WARNING, _("Invalid index '%s' given."), input);
}
g_free(input);
return (eval == TRUE) ? TRUE : FALSE;
}
void
update_visible_pages(zathura_t* zathura)
{
const unsigned int number_of_pages = zathura_document_get_number_of_pages(zathura->document);
for (unsigned int page_id = 0; page_id < number_of_pages; page_id++) {
zathura_page_t* page = zathura_document_get_page(zathura->document, page_id);
GtkWidget* page_widget = zathura_page_get_widget(zathura, page);
ZathuraPage* zathura_page_widget = ZATHURA_PAGE(page_widget);
if (page_is_visible(zathura->document, page_id) == true) {
/* make page visible */
if (zathura_page_get_visibility(page) == false) {
zathura_page_set_visibility(page, true);
zathura_page_widget_update_view_time(zathura_page_widget);
zathura_renderer_page_cache_add(zathura->sync.render_thread, zathura_page_get_index(page));
}
} else {
/* make page invisible */
if (zathura_page_get_visibility(page) == true) {
zathura_page_set_visibility(page, false);
/* If a page becomes invisible, abort the render request. */
zathura_page_widget_abort_render_request(zathura_page_widget);
}
/* reset current search result */
girara_list_t* results = NULL;
GObject* obj_page_widget = G_OBJECT(page_widget);
g_object_get(obj_page_widget, "search-results", &results, NULL);
if (results != NULL) {
g_object_set(obj_page_widget, "search-current", 0, NULL);
}
}
}
}
