+
+/** Switch p_buf to point to next document buffer.
+ **
+ ** Return true if restarted from master-document buffer.
+ **
+ ** @note
+ ** Not using p_buf->allRelatives() here, because I'm not sure
+ ** whether or not the returned order is independent of p_buf.
+ **/
+static bool next_document_buffer(Buffer * & p_buf) {
+ Buffer *p_master = p_buf;
+ Buffer *p_old;
+ do {
+ p_old = p_master;
+ p_master = const_cast<Buffer *>(p_master->masterBuffer());
+ LYXERR(Debug::FIND, "p_old=" << p_old << ", p_master=" << p_master);
+ } while (p_master != p_old);
+ LASSERT(p_master != NULL, /**/);
+ vector<Buffer *> v_children;
+ /* Root master added as first buffer in the vector */
+ v_children.push_back(p_master);
+ p_master->getChildren(v_children, true);
+ LYXERR(Debug::FIND, "v_children.size()=" << v_children.size());
+ vector<Buffer *>::const_iterator it = find(v_children.begin(), v_children.end(), p_buf);
+ LASSERT(it != v_children.end(), /**/)
+ ++it;
+ if (it == v_children.end()) {
+ p_buf = *v_children.begin();
+ return true;
+ }
+ p_buf = *it;
+ return false;
+}
+
+
+/** Switch p_buf to point to previous document buffer.
+ **
+ ** Return true if restarted from last child buffer.
+ **
+ ** @note
+ ** Not using p_buf->allRelatives() here, because I'm not sure
+ ** whether or not the returned order is independent of p_buf.
+ **/
+static bool prev_document_buffer(Buffer * & p_buf) {
+ Buffer *p_master = p_buf;
+ Buffer *p_old;
+ do {
+ p_old = p_master;
+ p_master = const_cast<Buffer *>(p_master->masterBuffer());
+ LYXERR(Debug::FIND, "p_old=" << p_old << ", p_master=" << p_master);
+ } while (p_master != p_old);
+ LASSERT(p_master != NULL, /**/);
+ vector<Buffer *> v_children;
+ /* Root master added as first buffer in the vector */
+ v_children.push_back(p_master);
+ p_master->getChildren(v_children, true);
+ LYXERR(Debug::FIND, "v_children.size()=" << v_children.size());
+ vector<Buffer *>::const_iterator it = find(v_children.begin(), v_children.end(), p_buf);
+ LASSERT(it != v_children.end(), /**/)
+ if (it == v_children.begin()) {
+ it = v_children.end();
+ --it;
+ p_buf = *it;
+ return true;
+ }
+ --it;
+ p_buf = *it;
+ return false;
+}
+
+
+/** Switch buf to point to next or previous buffer in search scope.
+ **
+ ** Return true if restarted from scratch.
+ **/
+static bool next_prev_buffer(Buffer * & buf, FindAndReplaceOptions const & opt) {
+ bool restarted = false;
+ switch (opt.scope) {
+ case FindAndReplaceOptions::S_BUFFER:
+ restarted = true;
+ break;
+ case FindAndReplaceOptions::S_DOCUMENT:
+ if (opt.forward)
+ restarted = next_document_buffer(buf);
+ else
+ restarted = prev_document_buffer(buf);
+ break;
+ case FindAndReplaceOptions::S_OPEN_BUFFERS:
+ if (opt.forward) {
+ buf = theBufferList().next(buf);
+ restarted = buf == *theBufferList().begin();
+ } else {
+ buf = theBufferList().previous(buf);
+ restarted = buf == *(theBufferList().end() - 1);
+ }
+ break;
+ }
+ return restarted;
+}
+
+
+/** Find the finest question message to post to the user */
+docstring question_string(FindAndReplaceOptions const & opt)
+{
+ docstring cur_pos = opt.forward ? _("End") : _("Begin");
+ docstring new_pos = opt.forward ? _("begin") : _("end");
+ docstring scope;
+ switch (opt.scope) {
+ case FindAndReplaceOptions::S_BUFFER:
+ scope = _("file");
+ break;
+ case FindAndReplaceOptions::S_DOCUMENT:
+ scope = _("master document");
+ break;
+ case FindAndReplaceOptions::S_OPEN_BUFFERS:
+ scope = _("open files");
+ break;
+ }
+ docstring dir = opt.forward ? _("forward") : _("backwards");
+ return cur_pos + _(" of ") + scope
+ + _(" reached while searching ") + dir + ".\n"
+ + "\n"
+ + _("Continue searching from ") + new_pos + " ?";
+}
+
+
+void FindAndReplaceWidget::findAndReplaceScope(FindAndReplaceOptions & opt) {
+ int wrap_answer = -1;
+ ostringstream oss;
+ oss << opt;
+ FuncRequest cmd(LFUN_WORD_FINDADV, from_utf8(oss.str()));
+ BufferView * bv = view_.documentBufferView();
+ Buffer * buf = &bv->buffer();
+
+ Buffer * buf_orig = &bv->buffer();
+ Cursor cur_orig(bv->cursor());
+
+ do {
+ LYXERR(Debug::FIND, "Dispatching LFUN_WORD_FINDADV");
+ dispatch(cmd);
+ if (bv->cursor().result().dispatched()) {
+ // Match found, selected and replaced if needed
+ return;
+ }
+
+ // No match found in current buffer: select next buffer in scope, if any
+ bool prompt = next_prev_buffer(buf, opt);
+ if (prompt) {
+ if (wrap_answer != -1)
+ break;
+ docstring q = question_string(opt);
+ wrap_answer = frontend::Alert::prompt(
+ _("Wrap search?"), q,
+ 0, 1, _("&Yes"), _("&No"));
+ if (wrap_answer == 1)
+ break;
+ }
+ lyx::dispatch(FuncRequest(LFUN_BUFFER_SWITCH,
+ buf->absFileName()));
+ bv = view_.documentBufferView();
+ if (opt.forward) {
+ bv->cursor().clear();
+ bv->cursor().push_back(CursorSlice(buf->inset()));
+ } else {
+ lyx::dispatch(FuncRequest(LFUN_BUFFER_END));
+ bv->cursor().setCursor(doc_iterator_end(buf));
+ bv->cursor().backwardPos();
+ LYXERR(Debug::FIND, "findBackAdv5: cur: " << bv->cursor());
+ }
+ bv->clearSelection();
+ } while (wrap_answer != 1);
+ lyx::dispatch(FuncRequest(LFUN_BUFFER_SWITCH,
+ buf_orig->absFileName()));
+ bv = view_.documentBufferView();
+ bv->cursor() = cur_orig;
+}
+
+