void SearchDocumentJob::run()
{
Q_ASSERT(m_document);
for (int i = 0; i < m_document->numPages(); ++i) {
int ipage = (startPage + i) % m_document->numPages();
Poppler::Page *page = m_document->page(ipage);
double sLeft, sTop, sRight, sBottom;
float scaleW = 1.f / page->pageSizeF().width();
float scaleH = 1.f / page->pageSizeF().height();
bool found;
found = page->search(m_search, sLeft, sTop, sRight, sBottom,
Poppler::Page::FromTop,
Poppler::Page::IgnoreCase);
while (found) {
QRectF result;
result.setLeft(sLeft * scaleW);
result.setTop(sTop * scaleH);
result.setRight(sRight * scaleW);
result.setBottom(sBottom * scaleH);
m_matches.append(QPair<int, QRectF>(ipage, result));
found = page->search(m_search, sLeft, sTop, sRight, sBottom,
Poppler::Page::NextResult,
Poppler::Page::IgnoreCase);
}
delete page;
}
}
void SearchWorker::run() {
while (1) {
bar->search_mutex.lock();
stop = false;
if (die) {
break;
}
// always clear results -> empty search == stop search
emit clear_hits();
// get search string
bar->term_mutex.lock();
if (bar->term.isEmpty()) {
bar->term_mutex.unlock();
emit update_label_text("done.");
continue;
}
int start = bar->start_page;
QString search_term = bar->term;
forward = bar->forward;
bar->term_mutex.unlock();
// check if term contains upper case letters; if so, do case sensitive search (smartcase)
bool has_upper_case = false;
for (QString::const_iterator it = search_term.begin(); it != search_term.end(); ++it) {
if (it->isUpper()) {
has_upper_case = true;
break;
}
}
#ifdef DEBUG
cerr << "'" << search_term.toUtf8().constData() << "'" << endl;
#endif
emit update_label_text(QString("[%1] 0\% searched, 0 hits")
.arg(has_upper_case ? "Case" : "no case"));
// search all pages
int hit_count = 0;
int page = start;
do {
Poppler::Page *p = bar->doc->page(page);
if (p == NULL) {
cerr << "failed to load page " << page << endl;
continue;
}
// collect all occurrences
QList<QRectF> *hits = new QList<QRectF>;
#if POPPLER_VERSION < POPPLER_VERSION_CHECK(0, 22, 0)
// old search interface, slow for many hits per page
double x = 0, y = 0, x2 = 0, y2 = 0;
while (!stop && !die &&
p->search(search_term, x, y, x2, y2, Poppler::Page::NextResult,
has_upper_case ? Poppler::Page::CaseSensitive : Poppler::Page::CaseInsensitive)) {
hits->push_back(QRectF(x, y, x2 - x, y2 - y));
}
#elif POPPLER_VERSION < POPPLER_VERSION_CHECK(0, 31, 0)
// new search interface
QList<QRectF> tmp = p->search(search_term,
has_upper_case ? Poppler::Page::CaseSensitive : Poppler::Page::CaseInsensitive);
hits->swap(tmp);
#else
// even newer interface
QList<QRectF> tmp = p->search(search_term,
has_upper_case ? (Poppler::Page::SearchFlags) 0 : Poppler::Page::IgnoreCase);
// TODO support Poppler::Page::WholeWords
hits->swap(tmp);
#endif
#ifdef DEBUG
if (hits->size() > 0) {
cerr << hits->size() << " hits on page " << page << endl;
}
#endif
delete p;
// clean up when interrupted
if (stop || die) {
delete hits;
break;
}
if (hits->size() > 0) {
hit_count += hits->size();
emit search_done(page, hits);
} else {
delete hits;
}
// update progress label next to the search bar
int percent;
if (forward) {
percent = page + bar->doc->numPages() - start;
} else {
percent = start + bar->doc->numPages() - page;
}
percent = (percent % bar->doc->numPages()) * 100 / bar->doc->numPages();
QString progress = QString("[%1] %2\% searched, %3 hits")
.arg(has_upper_case ? "Case" : "no case")
.arg(percent)
.arg(hit_count);
emit update_label_text(progress);
if (forward) {
if (++page == bar->doc->numPages()) {
page = 0;
}
} else {
if (--page == -1) {
page = bar->doc->numPages() - 1;
}
}
} while (page != start);
#ifdef DEBUG
cerr << "done!" << endl;
#endif
emit update_label_text(QString("[%1] done, %2 hits")
.arg(has_upper_case ? "Case" : "no case")
.arg(hit_count));
}
}