C++ LLSliderCtrl::setValue方法代码示例

void LLScrollingPanelParam::onHintMaxMouseUp( void* userdata )
{
	LLScrollingPanelParam* self = (LLScrollingPanelParam*) userdata;

	F32 elapsed_time = self->mMouseDownTimer.getElapsedTimeF32();

	if (isAgentAvatarValid())
	{
		LLVisualParamHint* hint = self->mHintMax;

		if (elapsed_time < PARAM_STEP_TIME_THRESHOLD)
		{
			// step in direction
			F32 current_weight = self->mWearable->getVisualParamWeight( hint->getVisualParam()->getID() );
			F32 range = self->mHintMax->getVisualParamWeight() - self->mHintMin->getVisualParamWeight();
			// step a fraction in the negative direction
			F32 new_weight = current_weight + (range / 10.f);
			F32 new_percent = self->weightToPercent(new_weight);
			LLSliderCtrl* slider = self->getChild<LLSliderCtrl>("param slider");
			if (slider)
			{
				if (slider->getMinValue() < new_percent
					&& new_percent < slider->getMaxValue())
				{
					self->mWearable->setVisualParamWeight(hint->getVisualParam()->getID(), new_weight, FALSE);
					self->mWearable->writeToAvatar();
					slider->setValue( self->weightToPercent( new_weight ) );
				}
			}
		}
	}

	LLVisualParamHint::requestHintUpdates( self->mHintMin, self->mHintMax );
}

// static
void LLSliderCtrl::onSliderCommit( LLUICtrl* ctrl, const LLSD& userdata )
{
	LLSliderCtrl* self = dynamic_cast<LLSliderCtrl*>(ctrl->getParent());
	if (!self)
		return;

	BOOL success = FALSE;
	F32 saved_val = self->mValue;
	F32 new_val = self->mSlider->getValueF32();

	self->mValue = new_val;  // set the value temporarily so that the callback can retrieve it.
	if( !self->mValidateSignal || (*(self->mValidateSignal))( self, new_val ) )
	{
		success = TRUE;
	}

	if( success )
	{
		self->onCommit();
	}
	else
	{
		if( self->mValue != saved_val )
		{
			self->setValue( saved_val );
		}
		self->reportInvalidData();		
	}
	self->updateText();
}

// static
void LLSliderCtrl::onEditorCommit( LLUICtrl* caller, void *userdata )
{
    LLSliderCtrl* self = (LLSliderCtrl*) userdata;
    llassert( caller == self->mEditor );

    BOOL success = FALSE;
    F32 val = self->mValue;
    F32 saved_val = self->mValue;

    std::string text = self->mEditor->getText();
    if( LLLineEditor::postvalidateFloat( text ) )
    {
        LLLocale locale(LLLocale::USER_LOCALE);
        val = (F32) atof( text.c_str() );
        if( self->mSlider->getMinValue() <= val && val <= self->mSlider->getMaxValue() )
        {
            if( self->mValidateCallback )
            {
                self->setValue( val );  // set the value temporarily so that the callback can retrieve it.
                if( self->mValidateCallback( self, self->mCallbackUserData ) )
                {
                    success = TRUE;
                }
            }
            else
            {
                self->setValue( val );
                success = TRUE;
            }
        }
    }

    if( success )
    {
        self->onCommit();
    }
    else
    {
        if( self->getValueF32() != saved_val )
        {
            self->setValue( saved_val );
        }
        self->reportInvalidData();
    }
    self->updateText();
}

BOOL LLPanelVolumePulldown::postBuild()
{
	// set the initial volume-slider's position to reflect reality
	LLSliderCtrl* volslider =  getChild<LLSliderCtrl>( "mastervolume" );
	volslider->setValue(gSavedSettings.getF32("AudioLevelMaster"));

	return LLPanel::postBuild();
}

// static
void LLSliderCtrl::onEditorCommit( LLUICtrl* ctrl, const LLSD& userdata )
{
	LLSliderCtrl* self = dynamic_cast<LLSliderCtrl*>(ctrl->getParent());
	if (!self)
		return;

	BOOL success = FALSE;
	F32 val = self->mValue;
	F32 saved_val = self->mValue;

	std::string text = self->mEditor->getText();
	if( LLLineEditor::postvalidateFloat( text ) )
	{
		LLLocale locale(LLLocale::USER_LOCALE);
		val = (F32) atof( text.c_str() );
		if( self->mSlider->getMinValue() <= val && val <= self->mSlider->getMaxValue() )
		{
			self->setValue( val );  // set the value temporarily so that the callback can retrieve it.
			if( !self->mValidateSignal || (*(self->mValidateSignal))( self, val ) )
			{
				success = TRUE;
			}
		}
	}

	if( success )
	{
		self->onCommit();
	}
	else
	{
		if( self->getValueF32() != saved_val )
		{
			self->setValue( saved_val );
		}
		self->reportInvalidData();		
	}
	self->updateText();
}

void LLScrollingPanelParam::onHintHeldDown( bool max )
{
	LLVisualParamHint* hint = max ? mHintMax : mHintMin;
	LLViewerVisualParam* param = hint->getVisualParam();

	if(!mWearable || !param)
	{
		return;
	}

	F32 current_weight = mWearable->getVisualParamWeight( param->getID() );

	if (current_weight != hint->getVisualParamWeight() )
	{
		const F32 FULL_BLEND_TIME = 2.f;
		F32 elapsed_time = mMouseDownTimer.getElapsedTimeF32() - mLastHeldTime;
		mLastHeldTime += elapsed_time;

		F32 new_weight;
		if (current_weight > hint->getVisualParamWeight() )
		{
			new_weight = current_weight - (elapsed_time / FULL_BLEND_TIME);
		}
		else
		{
			new_weight = current_weight + (elapsed_time / FULL_BLEND_TIME);
		}

		// Make sure we're not taking the slider out of bounds
		// (this is where some simple UI limits are stored)
		F32 new_percent = weightToPercent(new_weight);
		LLSliderCtrl* slider = getChild<LLSliderCtrl>("param slider");
		if (slider)
		{
			if (slider->getMinValue() < new_percent
				&& new_percent < slider->getMaxValue())
			{
				mWearable->setVisualParamWeight(param->getID(), new_weight, FALSE);
				mWearable->writeToAvatar();
				gAgentAvatarp->updateVisualParams();

				slider->setValue( weightToPercent( new_weight ) );
			}
		}
	}
}

void LLScrollingPanelParam::onHintMouseUp( bool max )
{
	F32 elapsed_time = mMouseDownTimer.getElapsedTimeF32();

	if (isAgentAvatarValid())
	{
		LLVisualParamHint* hint			= max ? mHintMax : mHintMin;

		if (elapsed_time < PARAM_STEP_TIME_THRESHOLD)
		{
			LLViewerVisualParam* param = hint->getVisualParam();

			if(mWearable)
			{
				// step in direction
				F32 current_weight = mWearable->getVisualParamWeight( param->getID() );
				F32 range = mHintMax->getVisualParamWeight() - mHintMin->getVisualParamWeight();
				//if min, range should be negative.
				if(!max)
					range *= -1.f;
				// step a fraction in the negative direction
				F32 new_weight = current_weight + (range / 10.f);
				F32 new_percent = weightToPercent(new_weight);
				LLSliderCtrl* slider = getChild<LLSliderCtrl>("param slider");
				if (slider)
				{
					if (slider->getMinValue() < new_percent
						&& new_percent < slider->getMaxValue())
					{
						mWearable->setVisualParamWeight(param->getID(), new_weight, FALSE);
						mWearable->writeToAvatar();
						slider->setValue( weightToPercent( new_weight ) );
					}
				}
			}
		}
	}

	LLVisualParamHint::requestHintUpdates( mHintMin, mHintMax );
}

LLScrollingPanelParamBase::LLScrollingPanelParamBase( const std::string& name,
							LLViewerJointMesh* mesh, LLViewerVisualParam* param, BOOL allow_modify, LLWearable* wearable, bool bVisualHint, LLRect rect )
	: LLScrollingPanel( name, rect ),
	mParam(param),
	mAllowModify(allow_modify),
	mWearable(wearable)
{
	LLUICtrlFactory::getInstance()->buildPanel(this, "panel_scrolling_param.xml");
	//Set up the slider
	LLSliderCtrl *slider = getChild<LLSliderCtrl>("param slider");

	//Kill everything that isn't the slider...
	if(!bVisualHint)
	{
		child_list_t to_remove;
		child_list_t::const_iterator it;
		for (it = getChildList()->begin(); it != getChildList()->end(); it++)
		{
			if ((*it) != slider && (*it)->getName() != "panel border")
			{
				to_remove.push_back(*it);
			}
		}
		for (it = to_remove.begin(); it != to_remove.end(); it++)
		{
			removeChild(*it);
			delete (*it);
		}
		slider->translate(0,/*PARAM_HINT_HEIGHT*/128);
		reshape(getRect().getWidth(),getRect().getHeight()-128);
	}
	
	slider->setValue(weightToPercent(param->getWeight()));
	slider->setLabelArg("[DESC]", param->getDisplayName());
	slider->setEnabled(mAllowModify);
	slider->setCommitCallback(boost::bind(&LLScrollingPanelParamBase::onSliderMoved, this, _1));

	setVisible(FALSE);
	setBorderVisible( FALSE );
}

// static
void LLSliderCtrl::onSliderCommit( LLUICtrl* caller, void *userdata )
{
    LLSliderCtrl* self = (LLSliderCtrl*) userdata;
    llassert( caller == self->mSlider );

    BOOL success = FALSE;
    F32 saved_val = self->mValue;
    F32 new_val = self->mSlider->getValueF32();

    if( self->mValidateCallback )
    {
        self->mValue = new_val;  // set the value temporarily so that the callback can retrieve it.
        if( self->mValidateCallback( self, self->mCallbackUserData ) )
        {
            success = TRUE;
        }
    }
    else
    {
        self->mValue = new_val;
        success = TRUE;
    }

    if( success )
    {
        self->onCommit();
    }
    else
    {
        if( self->mValue != saved_val )
        {
            self->setValue( saved_val );
        }
        self->reportInvalidData();
    }
    self->updateText();
}

void LLFloaterEnvSettings::syncMenu()
{
	LLSliderCtrl* sldr;
	sldr = getChild<LLSliderCtrl>("EnvTimeSlider");

	// sync the clock
	F32 val = (F32)LLWLParamManager::instance()->mAnimator.getDayTime();
	std::string timeStr = timeToString(val);

	LLTextBox* textBox;
	textBox = getChild<LLTextBox>("EnvTimeText");

	textBox->setValue(timeStr);
	
	// sync time slider which starts at 6 AM	
	val -= 0.25;
	if(val < 0) 
	{
		val++;
	}
	sldr->setValue(val);

	// sync cloud coverage
	bool err;
	childSetValue("EnvCloudSlider", LLWLParamManager::instance()->mCurParams.getFloat("cloud_shadow", err));

	LLWaterParamManager * param_mgr = LLWaterParamManager::instance();
	// sync water params
	LLColor4 col = param_mgr->getFogColor();
	LLColorSwatchCtrl* colCtrl = getChild<LLColorSwatchCtrl>("EnvWaterColor");
	col.mV[3] = 1.0f;
	colCtrl->set(col);

	childSetValue("EnvWaterFogSlider", param_mgr->mFogDensity.mExp);
	param_mgr->setDensitySliderValue(param_mgr->mFogDensity.mExp);

	// turn off Use Estate Time button if it's already being used
	if(LLWLParamManager::instance()->mAnimator.mUseLindenTime)
	{
		childDisable("EnvUseEstateTimeButton");
	} else {
		childEnable("EnvUseEstateTimeButton");
	}

	if(!gPipeline.canUseVertexShaders())
	{
		childDisable("EnvWaterColor");
		childDisable("EnvWaterColorText");
		//childDisable("EnvAdvancedWaterButton");		
	}
	else
	{
		childEnable("EnvWaterColor");
		childEnable("EnvWaterColorText");
		//childEnable("EnvAdvancedWaterButton");		
	}

	// only allow access to these if they are using windlight
	if(!gPipeline.canUseWindLightShaders())
	{

		childDisable("EnvCloudSlider");
		childDisable("EnvCloudText");
		//childDisable("EnvAdvancedSkyButton");
	}
	else
	{
		childEnable("EnvCloudSlider");
		childEnable("EnvCloudText");
		//childEnable("EnvAdvancedSkyButton");
	}
}