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/**
* @file llmultislider.h
* @brief A simple multislider
*
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* 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_MULTI_SLIDER_H
#define LL_MULTI_SLIDER_H
#include "llf32uictrl.h"
#include "v4color.h"
class LLUICtrlFactory;
class LLMultiSlider : public LLF32UICtrl
{
public:
struct SliderParams : public LLInitParam::Block<SliderParams>
{
Optional<std::string> name;
Mandatory<F32> value;
SliderParams();
};
struct Params : public LLInitParam::Block<Params, LLF32UICtrl::Params>
{
Optional<S32> max_sliders;
Optional<bool> allow_overlap,
loop_overlap,
draw_track,
use_triangle;
Optional<F32> overlap_threshold;
Optional<LLUIColor> track_color,
thumb_disabled_color,
thumb_highlight_color,
thumb_outline_color,
thumb_center_color,
thumb_center_selected_color,
triangle_color;
Optional<std::string> orientation,
thumb_image;
Optional<CommitCallbackParam> mouse_down_callback,
mouse_up_callback;
Optional<S32> thumb_width;
Multiple<SliderParams> sliders;
Params();
};
protected:
LLMultiSlider(const Params&);
friend class LLUICtrlFactory;
public:
virtual ~LLMultiSlider();
// Multi-slider rounds values to nearest increments (bias towards rounding down)
F32 getNearestIncrement(F32 value) const;
void setSliderValue(const std::string& name, F32 value, BOOL from_event = FALSE);
F32 getSliderValue(const std::string& name) const;
F32 getSliderValueFromPos(S32 xpos, S32 ypos) const;
LLRect getSliderThumbRect(const std::string& name) const;
void setSliderThumbImage(const std::string &name);
void clearSliderThumbImage();
const std::string& getCurSlider() const { return mCurSlider; }
F32 getCurSliderValue() const { return getSliderValue(mCurSlider); }
void setCurSlider(const std::string& name);
void resetCurSlider();
void setCurSliderValue(F32 val, BOOL from_event = false) { setSliderValue(mCurSlider, val, from_event); }
/*virtual*/ void setValue(const LLSD& value) override;
/*virtual*/ LLSD getValue() const override { return mValue; }
boost::signals2::connection setMouseDownCallback( const commit_signal_t::slot_type& cb );
boost::signals2::connection setMouseUpCallback( const commit_signal_t::slot_type& cb );
bool findUnusedValue(F32& initVal);
const std::string& addSlider();
const std::string& addSlider(F32 val);
bool addSlider(F32 val, const std::string& name);
void deleteSlider(const std::string& name);
void deleteCurSlider() { deleteSlider(mCurSlider); }
/*virtual*/ void clear() override;
/*virtual*/ BOOL handleHover(S32 x, S32 y, MASK mask) override;
/*virtual*/ BOOL handleMouseUp(S32 x, S32 y, MASK mask) override;
/*virtual*/ BOOL handleMouseDown(S32 x, S32 y, MASK mask) override;
/*virtual*/ BOOL handleKeyHere(KEY key, MASK mask) override;
/*virtual*/ void onMouseLeave(S32 x, S32 y, MASK mask) override;
/*virtual*/ void draw() override;
S32 getMaxNumSliders() { return mMaxNumSliders; }
S32 getCurNumSliders() { return mValue.size(); }
F32 getOverlapThreshold() { return mOverlapThreshold; }
bool canAddSliders() { return mValue.size() < mMaxNumSliders; }
protected:
LLSD mValue;
std::string mCurSlider;
std::string mHoverSlider;
static S32 mNameCounter;
S32 mMaxNumSliders;
BOOL mAllowOverlap;
BOOL mLoopOverlap;
F32 mOverlapThreshold;
BOOL mDrawTrack;
BOOL mUseTriangle; /// hacked in toggle to use a triangle
S32 mMouseOffset;
LLRect mDragStartThumbRect;
S32 mThumbWidth;
std::map<std::string, LLRect>
mThumbRects;
LLUIColor mTrackColor;
LLUIColor mThumbOutlineColor;
LLUIColor mThumbHighlightColor;
LLUIColor mThumbCenterColor;
LLUIColor mThumbCenterSelectedColor;
LLUIColor mDisabledThumbColor;
LLUIColor mTriangleColor;
LLUIImagePtr mThumbImagep; //blimps on the slider, for now no 'disabled' support
const EOrientation mOrientation;
commit_signal_t* mMouseDownSignal;
commit_signal_t* mMouseUpSignal;
};
#endif // LL_MULTI_SLIDER_H
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