+double
+pdf_document_find_get_progress (EvDocumentFind *document_find)
+{
+ PdfDocumentSearch *search = PDF_DOCUMENT (document_find)->search;
+ int n_pages, pages_done;
+
+ n_pages = ev_document_get_n_pages (EV_DOCUMENT (document_find));
+ if (search->search_page > search->start_page) {
+ pages_done = search->search_page - search->start_page;
+ } else if (search->search_page == search->start_page) {
+ pages_done = n_pages;
+ } else {
+ pages_done = n_pages - search->start_page + search->search_page;
+ }
+
+ return pages_done / (double) n_pages;
+}
+
+int
+pdf_document_find_page_has_results (EvDocumentFind *document_find,
+ int page)
+{
+ PdfDocumentSearch *search = PDF_DOCUMENT (document_find)->search;
+
+ g_return_val_if_fail (search != NULL, FALSE);
+
+ return search->other_page_flags[page];
+}
+
+int
+pdf_document_find_get_n_results (EvDocumentFind *document_find)
+{
+ PdfDocumentSearch *search = PDF_DOCUMENT (document_find)->search;
+
+ if (search) {
+ return search->current_page_results->len;
+ } else {
+ return 0;
+ }
+}
+
+gboolean
+pdf_document_find_get_result (EvDocumentFind *document_find,
+ int n_result,
+ GdkRectangle *rectangle)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document_find);
+ PdfDocumentSearch *search = pdf_document->search;
+ GdkRectangle r;
+
+ if (search != NULL) {
+ r = g_array_index (search->current_page_results,
+ GdkRectangle, n_result);
+
+ rectangle->x = r.x + pdf_document->page_x_offset;
+ rectangle->y = r.y + pdf_document->page_y_offset;
+ rectangle->width = r.width;
+ rectangle->height = r.height;
+
+ return TRUE;
+ } else {
+ return FALSE;
+ }
+}
+
+static void
+pdf_document_search_page_changed (PdfDocumentSearch *search)
+{
+ PdfDocument *pdf_document = search->document;
+ int current_page;
+ GdkRectangle result;
+ int xMin, yMin, xMax, yMax;
+
+ current_page = pdf_document->page;
+
+ if (!pdf_document->page_valid) {
+ /* we can't do anything until displayPage() */
+ search->current_page = -1;
+ return;
+ }
+
+ if (search->current_page == current_page)
+ return;
+
+ /* We need to create current_page_results for the new current page */
+ g_array_set_size (search->current_page_results, 0);
+
+ if (pdf_document->out->findText (search->ucs4, search->ucs4_len,
+ gTrue, gTrue, // startAtTop, stopAtBottom
+ gFalse, gFalse, // startAtLast, stopAtLast
+ &xMin, &yMin, &xMax, &yMax)) {
+ result.x = xMin;
+ result.y = yMin;
+ result.width = xMax - xMin;
+ result.height = yMax - yMin;
+
+ g_array_append_val (search->current_page_results, result);
+ /* Now find further results */
+
+ while (pdf_document->out->findText (search->ucs4, search->ucs4_len,
+ gFalse, gTrue,
+ gTrue, gFalse,
+ &xMin, &yMin, &xMax, &yMax)) {
+ result.x = xMin;
+ result.y = yMin;
+ result.width = xMax - xMin;
+ result.height = yMax - yMin;
+
+ g_array_append_val (search->current_page_results, result);
+ }
+ }
+}
+
+static gboolean
+pdf_document_search_idle_callback (void *data)
+{
+ PdfDocumentSearch *search = (PdfDocumentSearch*) data;
+ PdfDocument *pdf_document = search->document;
+ int n_pages, changed_page;
+ double xMin, yMin, xMax, yMax;
+
+ /* Note that PDF page count is 1 through n_pages INCLUSIVE
+ * like a real book. We are looking to add one result for each
+ * page with a match, because the coordinates are meaningless
+ * with TextOutputDev, so we just want to flag matching pages
+ * and then when the user switches to the current page, we
+ * will emit "found" again with the real results.
+ */
+ n_pages = ev_document_get_n_pages (EV_DOCUMENT (search->document));
+
+ if (search->output_dev == 0) {
+ /* First time through here... */
+ search->output_dev = new TextOutputDev (NULL, gTrue, gFalse, gFalse);
+ if (!search->output_dev->isOk()) {
+ goto end_search;
+ }
+ }
+
+ pdf_document->doc->displayPage (search->output_dev,
+ search->search_page,
+ 72, 72, 0, gTrue, gFalse);
+
+ if (search->output_dev->findText (search->ucs4,
+ search->ucs4_len,
+ gTrue, gTrue, // startAtTop, stopAtBottom
+ gFalse, gFalse, // startAtLast, stopAtLast
+ &xMin, &yMin, &xMax, &yMax)) {
+ /* This page has results */
+ search->other_page_flags[search->search_page] = 1;
+ } else {
+ search->other_page_flags[search->search_page] = 0;
+ }
+
+ changed_page = search->start_page;
+
+ search->search_page += 1;
+ if (search->search_page > n_pages) {
+ /* wrap around */
+ search->search_page = 1;
+ }
+
+ if (search->search_page != search->start_page) {
+ ev_document_find_changed (EV_DOCUMENT_FIND (pdf_document),
+ changed_page);
+ return TRUE;
+ }
+
+end_search:
+ /* We're done. */
+ search->idle = 0; /* will return FALSE to remove */
+ return FALSE;
+}
+