/** * @file llslider.h * @brief A simple slider with no label. * * $LicenseInfo:firstyear=2002&license=viewergpl$ * * Copyright (c) 2002-2009, Linden Research, Inc. * * Second Life Viewer Source Code * The source code in this file ("Source Code") is provided by Linden Lab * to you under the terms of the GNU General Public License, version 2.0 * ("GPL"), unless you have obtained a separate licensing agreement * ("Other License"), formally executed by you and Linden Lab. Terms of * the GPL can be found in doc/GPL-license.txt in this distribution, or * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 * * There are special exceptions to the terms and conditions of the GPL as * it is applied to this Source Code. View the full text of the exception * in the file doc/FLOSS-exception.txt in this software distribution, or * online at * http://secondlifegrid.net/programs/open_source/licensing/flossexception * * By copying, modifying or distributing this software, you acknowledge * that you have read and understood your obligations described above, * and agree to abide by those obligations. * * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, * COMPLETENESS OR PERFORMANCE. * $/LicenseInfo$ */ #ifndef LL_LLSLIDER_H #define LL_LLSLIDER_H #include "llf32uictrl.h" #include "v4color.h" class LLSlider : public LLF32UICtrl { public: struct Params : public LLInitParam::Block<Params, LLF32UICtrl::Params> { Optional<LLUIColor> track_color, thumb_outline_color, thumb_center_color; Optional<LLUIImage*> thumb_image, thumb_image_pressed, thumb_image_disabled, track_image, track_highlight_image; Optional<CommitCallbackParam> mouse_down_callback, mouse_up_callback; Params(); }; protected: LLSlider(const Params&); friend class LLUICtrlFactory; public: void setValue( F32 value, BOOL from_event = FALSE ); // overrides for LLF32UICtrl methods virtual void setValue(const LLSD& value ) { setValue((F32)value.asReal(), TRUE); } virtual void setMinValue(const LLSD& min_value) { setMinValue((F32)min_value.asReal()); } virtual void setMaxValue(const LLSD& max_value) { setMaxValue((F32)max_value.asReal()); } virtual void setMinValue(F32 min_value) { LLF32UICtrl::setMinValue(min_value); updateThumbRect(); } virtual void setMaxValue(F32 max_value) { LLF32UICtrl::setMaxValue(max_value); updateThumbRect(); } boost::signals2::connection setMouseDownCallback( const commit_signal_t::slot_type& cb ) { return mMouseDownSignal.connect(cb); } boost::signals2::connection setMouseUpCallback( const commit_signal_t::slot_type& cb ) { return mMouseUpSignal.connect(cb); } virtual BOOL handleHover(S32 x, S32 y, MASK mask); virtual BOOL handleMouseUp(S32 x, S32 y, MASK mask); virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask); virtual BOOL handleKeyHere(KEY key, MASK mask); virtual void draw(); private: void setValueAndCommit(F32 value); void updateThumbRect(); BOOL mVolumeSlider; S32 mMouseOffset; LLRect mDragStartThumbRect; LLPointer<LLUIImage> mThumbImage; LLPointer<LLUIImage> mThumbImagePressed; LLPointer<LLUIImage> mThumbImageDisabled; LLPointer<LLUIImage> mTrackImage; LLPointer<LLUIImage> mTrackHighlightImage; LLRect mThumbRect; LLUIColor mTrackColor; LLUIColor mThumbOutlineColor; LLUIColor mThumbCenterColor; commit_signal_t mMouseDownSignal; commit_signal_t mMouseUpSignal; }; #endif // LL_LLSLIDER_H