llslider.h
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上传日期:2021-03-01
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- /**
- * @file llslider.h
- * @brief A simple slider with no label.
- *
- * $LicenseInfo:firstyear=2002&license=viewergpl$
- *
- * Copyright (c) 2002-2010, 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:
- enum ORIENTATION { HORIZONTAL, VERTICAL };
- struct Params : public LLInitParam::Block<Params, LLF32UICtrl::Params>
- {
- Optional<std::string> orientation;
- Optional<LLUIColor> track_color,
- thumb_outline_color,
- thumb_center_color;
- Optional<LLUIImage*> thumb_image,
- thumb_image_pressed,
- thumb_image_disabled,
- track_image_horizontal,
- track_image_vertical,
- track_highlight_horizontal_image,
- track_highlight_vertical_image;
- Optional<CommitCallbackParam> mouse_down_callback,
- mouse_up_callback;
- Params();
- };
- protected:
- LLSlider(const Params&);
- friend class LLUICtrlFactory;
- public:
- virtual ~LLSlider();
- 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 );
- boost::signals2::connection setMouseUpCallback( const commit_signal_t::slot_type& 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 BOOL handleScrollWheel(S32 x, S32 y, S32 clicks);
- 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> mTrackImageHorizontal;
- LLPointer<LLUIImage> mTrackImageVertical;
- LLPointer<LLUIImage> mTrackHighlightHorizontalImage;
- LLPointer<LLUIImage> mTrackHighlightVerticalImage;
- const ORIENTATION mOrientation;
- LLRect mThumbRect;
- LLUIColor mTrackColor;
- LLUIColor mThumbOutlineColor;
- LLUIColor mThumbCenterColor;
-
- commit_signal_t* mMouseDownSignal;
- commit_signal_t* mMouseUpSignal;
- };
- #endif // LL_LLSLIDER_H