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diff --git a/indra/newview/llpaneldirbrowser.h b/indra/newview/llpaneldirbrowser.h
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+/**
+ * @file llpaneldirbrowser.h
+ * @brief Base class for panels in the legacy Search directory.
+ *
+ * $LicenseInfo:firstyear=2025&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2025, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLPANELDIRBROWSER_H
+#define LL_LLPANELDIRBROWSER_H
+
+#include "llpanel.h"
+
+#include "llframetimer.h"
+
+class LLMessageSystem;
+class LLFloaterDirectory;
+class LLLineEditor;
+
+class LLPanelDirBrowser: public LLPanel
+{
+public:
+    LLPanelDirBrowser();
+    virtual ~LLPanelDirBrowser();
+
+    bool postBuild() override;
+    void setFloaterDirectory(LLFloaterDirectory* floater) { mFloaterDirectory = floater; }
+
+    // Use to get periodic updates.
+    void draw() override;
+
+    void onVisibilityChange(bool curVisibilityIn) override;
+
+    // Redo your search for the prev/next page of results
+    virtual void prevPage();
+    virtual void nextPage();
+    void resetSearchStart();
+    // Do the current query (used by prevPage/nextPage)
+    virtual void performQuery() {};
+
+    const LLUUID& getSearchID() const { return mSearchID; }
+
+    // Select the line in the scroll list control with this ID,
+    // either now or when data arrives from the server.
+    void selectByUUID(const LLUUID& id);
+
+    void selectEventByID(S32 event_id);
+
+    void getSelectedInfo(LLUUID* id, S32 *type);
+
+    void showDetailPanel(S32 type, LLSD item_id);
+        // type is EVENT_CODE, PLACE_CODE, etc. from below.
+        // item_id is integer for events, UUID for all others.
+
+    // from llpaneldirbase
+    void setupNewSearch();
+
+    // default handler for clicking the search button resets the
+    // next/prev state and performs the query.
+    // Expects a pointer to an LLPanelDirBrowser object.
+    static void onClickSearchCore(void* userdata);
+
+    // query_start indicates the first result row to
+    // return, usually 0 or 100 or 200 because the searches
+    // return a max of 100 rows
+    static void sendDirFindQuery(
+        LLMessageSystem* msg,
+        const LLUUID& query_id,
+        const std::string& text,
+        U32 flags,
+        S32 query_start);
+
+    void showEvent(const U32 event_id);
+
+    static void onCommitList(LLUICtrl* ctrl, void* data);
+
+    static void processDirPeopleReply(LLMessageSystem* msg, void**);
+    static void processDirPlacesReply(LLMessageSystem* msg, void**);
+    static void processDirEventsReply(LLMessageSystem* msg, void**);
+    static void processDirGroupsReply(LLMessageSystem* msg, void**);
+    static void processDirClassifiedReply(LLMessageSystem* msg, void**);
+    static void processDirLandReply(LLMessageSystem *msg, void**);
+
+    std::string filterShortWords( const std::string source_string, int shortest_word_length, bool& was_filtered );
+
+protected:
+    void updateResultCount();
+
+    void addClassified(LLCtrlListInterface *list, const LLUUID& classified_id, const std::string& name, const U32 creation_date, const S32 price_for_listing);
+    LLSD createLandSale(const LLUUID& parcel_id, bool is_auction, bool is_for_sale, const std::string& name, S32 *type);
+
+    static void onKeystrokeName(LLLineEditor* line, void* data);
+
+    // If this is a search for a panel like "people_panel" (and not the "all" panel)
+    // optionally show the "Next" button.  Return the actual number of
+    // rows to display.
+    S32 showNextButton(S32 rows);
+
+protected:
+    LLUUID mSearchID; // Unique ID for a pending search
+    LLUUID mWantSelectID; // scroll item to select on arrival
+    std::string mCurrentSortColumn;
+    bool mCurrentSortAscending;
+    // Some searches return a max of 100 items per page, so we can
+    // start the search from the 100th item rather than the 0th, etc.
+    S32 mSearchStart;
+    // Places is 100 per page, events is 200 per page
+    S32 mResultsPerPage;
+    S32 mResultsReceived;
+
+    U32 mMinSearchChars;
+
+    LLSD mResultsContents;
+
+    bool mHaveSearchResults;
+    bool mDidAutoSelect;
+    LLFrameTimer mLastResultTimer;
+
+    LLFloaterDirectory* mFloaterDirectory;
+    LLButton* mPrevPageBtn;
+    LLButton* mNextPageBtn;
+};
+
+constexpr S32 RESULTS_PER_PAGE_DEFAULT = 100;
+constexpr S32 RESULTS_PER_PAGE_EVENTS = 200;
+
+// Codes used for sorting by type.
+const S32 INVALID_CODE = -1;
+const S32 EVENT_CODE = 0;
+const S32 PLACE_CODE = 1;
+// We no longer show online vs. offline in search result icons.
+//const S32 ONLINE_CODE = 2;
+//const S32 OFFLINE_CODE = 3;
+const S32 AVATAR_CODE = 3;
+const S32 GROUP_CODE = 4;
+const S32 CLASSIFIED_CODE = 5;
+const S32 FOR_SALE_CODE = 6;    // for sale place
+const S32 AUCTION_CODE = 7;     // for auction place
+const S32 POPULAR_CODE = 8;     // popular by dwell
+
+// mask values for search flags
+const S32 SEARCH_NONE = 0;	// should try not to send this to the search engine
+const S32 SEARCH_PG = 1;
+const S32 SEARCH_MATURE = 2;
+const S32 SEARCH_ADULT = 4;
+
+extern std::map<LLUUID, LLPanelDirBrowser*> gDirBrowserInstances;
+
+#endif // LL_LLPANELDIRBROWSER_H