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+/**
+ * @file   llquickprefs.h
+ * @brief  Quick Preferences floater: hover height and bandwidth sliders.
+ *
+ * Ported from Firestorm Viewer (quickprefs.h / quickprefs.cpp).
+ * Original authors: WoLf Loonie, Zi Ree, Ansariel Hiller @ Second Life.
+ *
+ * $LicenseInfo:firstyear=2011&license=viewerlgpl$
+ * Phoenix Firestorm Viewer Source Code
+ * Copyright (C) 2011, WoLf Loonie @ Second Life
+ *
+ * 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.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLQUICKPREFS_H
+#define LL_LLQUICKPREFS_H
+
+#include "llfloater.h"
+
+class LLSliderCtrl;
+class LLCheckBoxCtrl;
+class LLTextBox;
+
+/**
+ * @class LLFloaterQuickPrefs
+ *
+ * A lightweight "Quick Preferences" panel that lets the user adjust commonly
+ * tweaked settings on the fly without opening the full Preferences dialog:
+ *   - Avatar hover height
+ *   - Maximum network bandwidth
+ *
+ * Hover-height logic is ported 1:1 from Firestorm's FloaterQuickPrefs so that
+ * live-preview while dragging, final commit on mouse-up, and region-feature
+ * gating all work exactly the same way.
+ */
+class LLFloaterQuickPrefs : public LLFloater
+{
+public:
+    LLFloaterQuickPrefs(const LLSD& key);
+    virtual ~LLFloaterQuickPrefs();
+
+    bool postBuild() override;
+    void onClose(bool app_quitting) override;
+
+private:
+    // ---- Hover height -------------------------------------------------------
+    LLSliderCtrl* mAvatarZOffsetSlider;
+
+    /** Called every frame while the slider thumb is being dragged.
+     *  Sends a live (non-persistent) hover offset to the avatar so the user
+     *  gets immediate visual feedback. */
+    void onAvatarZOffsetSliderMoved();
+
+    /** Called when the drag ends (mouse-up) or the user types a value.
+     *  Persists the value to AvatarHoverOffsetZ. */
+    void onAvatarZOffsetFinalCommit();
+
+    /** Enable/disable the slider based on whether the current region supports
+     *  server-side hover height. */
+    void updateAvatarZOffsetEditEnabled();
+
+    /** Called when the region changes so we can re-evaluate the above. */
+    void onRegionChanged();
+    void onSimulatorFeaturesReceived(const LLUUID& region_id);
+
+    /** Pulls AvatarHoverOffsetZ from saved settings and pushes it to the slider
+     *  without triggering a commit (avoids feedback loops). */
+    void syncAvatarZOffsetFromPreferenceSetting();
+
+    boost::signals2::connection mRegionChangedSlot;
+
+    // OTS over-the-shoulder aim
+    LLCheckBoxCtrl* mOTSEnabledCheck { nullptr };
+    void onOTSEnabledChanged();
+};
+
+#endif // LL_LLQUICKPREFS_H