made adding sliders to a multislider possible from xui

indra/llui/llmultislider.cpp

@@ -50,6 +50,12 @@ const F32 FLOAT_THRESHOLD = 0.00001f;
 
 S32 LLMultiSlider::mNameCounter = 0;
 
+LLMultiSlider::SliderParams::SliderParams()
+:	name("name"),
+	value("value", 0.f)
+{
+}
+
 LLMultiSlider::Params::Params()
 :	max_sliders("max_sliders", 1),
 	allow_overlap("allow_overlap", false),
@@ -63,7 +69,8 @@ LLMultiSlider::Params::Params()
 	triangle_color("triangle_color"),
 	mouse_down_callback("mouse_down_callback"),
 	mouse_up_callback("mouse_up_callback"),
-	thumb_width("thumb_width")
+	thumb_width("thumb_width"),
+	sliders("slider")
 {
 	name = "multi_slider_bar";
 	mouse_opaque(true);
@@ -99,6 +106,20 @@ LLMultiSlider::LLMultiSlider(const LLMultiSlider::Params& p)
 	{
 		setMouseUpCallback(initCommitCallback(p.mouse_up_callback));
 	}
+
+	for (LLInitParam::ParamIterator<SliderParams>::const_iterator it = p.sliders().begin();
+		it != p.sliders().end();
+		++it)
+	{
+		if (it->name.isProvided())
+		{
+			addSlider(it->value, it->name);
+		}
+		else
+		{
+			addSlider(it->value);
+		}
+	}
 }
 
 LLMultiSlider::~LLMultiSlider()
@@ -230,6 +251,30 @@ const std::string& LLMultiSlider::addSlider(F32 val)
 	return mCurSlider;
 }
 
+void LLMultiSlider::addSlider(F32 val, const std::string& name)
+{
+	F32 initVal = val;
+
+	if(mValue.size() >= mMaxNumSliders) {
+		return;
+	}
+
+	bool foundOne = findUnusedValue(initVal);
+	if(!foundOne) {
+		return;
+	}
+
+	// add a new thumb rect
+	mThumbRects[name] = LLRect( 0, getRect().getHeight(), mThumbWidth, 0 );
+
+	// add the value and set the current slider to this one
+	mValue.insert(name, initVal);
+	mCurSlider = name;
+
+	// move the slider
+	setSliderValue(mCurSlider, initVal, TRUE);
+}
+
 bool LLMultiSlider::findUnusedValue(F32& initVal)
 {
 	bool firstTry = true;
@@ -572,7 +617,6 @@ void LLMultiSlider::draw()
 
 	LLF32UICtrl::draw();
 }
-
 boost::signals2::connection LLMultiSlider::setMouseDownCallback( const commit_signal_t::slot_type& cb ) 
 { 
 	if (!mMouseDownSignal) mMouseDownSignal = new commit_signal_t();

indra/llui/llmultislider.h

@@ -41,6 +41,13 @@ 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;
@@ -60,6 +67,7 @@ public:
 										mouse_up_callback;
 		Optional<S32>		thumb_width;
 
+		Multiple<SliderParams>	sliders;
 		Params();
 	};
 
@@ -68,13 +76,13 @@ protected:
 	friend class LLUICtrlFactory;
 public:
 	virtual ~LLMultiSlider();
-	void			setSliderValue(const std::string& name, F32 value, BOOL from_event = FALSE);
-	F32				getSliderValue(const std::string& name) const;
+	void				setSliderValue(const std::string& name, F32 value, BOOL from_event = FALSE);
+	F32					getSliderValue(const std::string& name) const;
 
-	const std::string& getCurSlider() const					{ return mCurSlider; }
-	F32				getCurSliderValue() const				{ return getSliderValue(mCurSlider); }
-	void			setCurSlider(const std::string& name);
-	void			setCurSliderValue(F32 val, BOOL from_event = false) { setSliderValue(mCurSlider, val, from_event); }
+	const std::string&	getCurSlider() const					{ return mCurSlider; }
+	F32					getCurSliderValue() const				{ return getSliderValue(mCurSlider); }
+	void				setCurSlider(const std::string& name);
+	void				setCurSliderValue(F32 val, BOOL from_event = false) { setSliderValue(mCurSlider, val, from_event); }
 
 	/*virtual*/ void	setValue(const LLSD& value);
 	/*virtual*/ LLSD	getValue() const		{ return mValue; }
@@ -82,12 +90,13 @@ public:
 	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);
+	bool				findUnusedValue(F32& initVal);
 	const std::string&	addSlider();
 	const std::string&	addSlider(F32 val);
-	void			deleteSlider(const std::string& name);
-	void			deleteCurSlider()			{ deleteSlider(mCurSlider); }
-	void			clear();
+	void				addSlider(F32 val, const std::string& name);
+	void				deleteSlider(const std::string& name);
+	void				deleteCurSlider()			{ deleteSlider(mCurSlider); }
+	void				clear();
 
 	/*virtual*/ BOOL	handleHover(S32 x, S32 y, MASK mask);
 	/*virtual*/ BOOL	handleMouseUp(S32 x, S32 y, MASK mask);
@@ -109,7 +118,8 @@ protected:
 	LLRect			mDragStartThumbRect;
 	S32				mThumbWidth;
 
-	std::map<std::string, LLRect>	mThumbRects;
+	std::map<std::string, LLRect>	
+					mThumbRects;
 	LLUIColor		mTrackColor;
 	LLUIColor		mThumbOutlineColor;
 	LLUIColor		mThumbCenterColor;

indra/llui/llmultisliderctrl.cpp

@@ -65,7 +65,8 @@ LLMultiSliderCtrl::Params::Params()
 	text_color("text_color"),
 	text_disabled_color("text_disabled_color"),
 	mouse_down_callback("mouse_down_callback"),
-	mouse_up_callback("mouse_up_callback")
+	mouse_up_callback("mouse_up_callback"),
+	sliders("slider")
 {
 	mouse_opaque = true;
 }
@@ -161,6 +162,7 @@ LLMultiSliderCtrl::LLMultiSliderCtrl(const LLMultiSliderCtrl::Params& p)
 	S32 slider_left = label_width ? label_width + multi_sliderctrl_spacing : 0;
 	LLRect slider_rect( slider_left, top, slider_right, bottom );
 	LLMultiSlider::Params params;
+	params.sliders = p.sliders;
 	params.rect(slider_rect);
 	params.commit_callback.function( LLMultiSliderCtrl::onSliderCommit );
 	params.mouse_down_callback( p.mouse_down_callback );

indra/llui/llmultisliderctrl.h

@@ -69,6 +69,8 @@ public:
 		Optional<CommitCallbackParam>	mouse_down_callback,
 										mouse_up_callback;
 
+		Multiple<LLMultiSlider::SliderParams>	sliders;
+
 		Params();
 	};