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/**
* @file llslider.h
* @brief A simple slider with no label.
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, 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_LLSLIDER_H
#define LL_LLSLIDER_H
#include "llf32uictrl.h"
#include "v4color.h"
#include "lluiimage.h"
class LLSlider : public LLF32UICtrl
{
public:
struct Params : public LLInitParam::Block<Params, LLF32UICtrl::Params>
{
Optional<std::string> orientation;
Optional<LLUIColor> 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 EOrientation mOrientation;
LLRect mThumbRect;
LLUIColor mThumbOutlineColor;
LLUIColor mThumbCenterColor;
commit_signal_t* mMouseDownSignal;
commit_signal_t* mMouseUpSignal;
};
#endif // LL_LLSLIDER_H
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