1 files changed, 384 insertions, 0 deletions
diff --git a/indra/newview/llscrollingpanelparam.cpp b/indra/newview/llscrollingpanelparam.cpp
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+++ b/indra/newview/llscrollingpanelparam.cpp
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+/** 
+ * @file llscrollingpanelparam.cpp
+ * @brief UI panel for a list of visual param panels
+ *
+ * $LicenseInfo:firstyear=2009&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llscrollingpanelparam.h"
+#include "llviewerjointmesh.h"
+#include "llviewervisualparam.h"
+#include "llwearable.h"
+#include "llviewervisualparam.h"
+#include "lltoolmorph.h"
+#include "lltrans.h"
+#include "llbutton.h"
+#include "llsliderctrl.h"
+#include "llagent.h"
+#include "llviewborder.h"
+#include "llvoavatarself.h"
+
+// Constants for LLPanelVisualParam
+const F32 LLScrollingPanelParam::PARAM_STEP_TIME_THRESHOLD = 0.25f;
+
+const S32 LLScrollingPanelParam::PARAM_HINT_WIDTH = 128;
+const S32 LLScrollingPanelParam::PARAM_HINT_HEIGHT = 128;
+
+// LLScrollingPanelParam
+//static
+S32 LLScrollingPanelParam::sUpdateDelayFrames = 0;
+
+LLScrollingPanelParam::LLScrollingPanelParam( const LLPanel::Params& panel_params,
+											  LLViewerJointMesh* mesh, LLViewerVisualParam* param, BOOL allow_modify, LLWearable* wearable, LLJoint* jointp )
+	: LLScrollingPanel( panel_params ),
+	  mParam(param),
+	  mAllowModify(allow_modify),
+	  mWearable(wearable)
+{
+	buildFromFile( "panel_scrolling_param.xml");
+
+	// *HACK To avoid hard coding texture position, lets use border's position for texture. 
+	LLViewBorder* left_border = getChild<LLViewBorder>("left_border");
+
+	static LLUICachedControl<S32> slider_ctrl_height ("UISliderctrlHeight", 0);
+	S32 pos_x = left_border->getRect().mLeft + left_border->getBorderWidth();
+	S32 pos_y = left_border->getRect().mBottom + left_border->getBorderWidth();
+	F32 min_weight = param->getMinWeight();
+	F32 max_weight = param->getMaxWeight();
+
+	mHintMin = new LLVisualParamHint( pos_x, pos_y, PARAM_HINT_WIDTH, PARAM_HINT_HEIGHT, mesh, (LLViewerVisualParam*) wearable->getVisualParam(param->getID()), wearable,  min_weight, jointp);
+	pos_x = getChild<LLViewBorder>("right_border")->getRect().mLeft + left_border->getBorderWidth();
+	mHintMax = new LLVisualParamHint( pos_x, pos_y, PARAM_HINT_WIDTH, PARAM_HINT_HEIGHT, mesh, (LLViewerVisualParam*) wearable->getVisualParam(param->getID()), wearable, max_weight, jointp );
+	
+	mHintMin->setAllowsUpdates( FALSE );
+	mHintMax->setAllowsUpdates( FALSE );
+	getChild<LLUICtrl>("param slider")->setValue(weightToPercent(param->getWeight()));
+
+	std::string display_name = LLTrans::getString(param->getDisplayName());
+	getChild<LLUICtrl>("param slider")->setLabelArg("[DESC]", display_name);
+	getChildView("param slider")->setEnabled(mAllowModify);
+	childSetCommitCallback("param slider", LLScrollingPanelParam::onSliderMoved, this);
+
+	std::string min_name = LLTrans::getString(param->getMinDisplayName());
+	std::string max_name = LLTrans::getString(param->getMaxDisplayName());
+	getChild<LLUICtrl>("min param text")->setValue(min_name);
+	getChild<LLUICtrl>("max param text")->setValue(max_name);
+
+	LLButton* less = getChild<LLButton>("less");
+	if (less)
+	{
+		less->setMouseDownCallback( LLScrollingPanelParam::onHintMinMouseDown, this );
+		less->setMouseUpCallback( LLScrollingPanelParam::onHintMinMouseUp, this );
+		less->setHeldDownCallback( LLScrollingPanelParam::onHintMinHeldDown, this );
+		less->setHeldDownDelay( PARAM_STEP_TIME_THRESHOLD );
+	}
+
+	LLButton* more = getChild<LLButton>("more");
+	if (more)
+	{
+		more->setMouseDownCallback( LLScrollingPanelParam::onHintMaxMouseDown, this );
+		more->setMouseUpCallback( LLScrollingPanelParam::onHintMaxMouseUp, this );
+		more->setHeldDownCallback( LLScrollingPanelParam::onHintMaxHeldDown, this );
+		more->setHeldDownDelay( PARAM_STEP_TIME_THRESHOLD );
+	}
+
+	setVisible(FALSE);
+	setBorderVisible( FALSE );
+}
+
+LLScrollingPanelParam::~LLScrollingPanelParam()
+{
+}
+void LLScrollingPanelParam::updatePanel(BOOL allow_modify)
+{
+	LLViewerVisualParam* param = mHintMin->getVisualParam();
+
+	if (!mWearable)
+	{
+		// not editing a wearable just now, no update necessary
+		return;
+	}
+	F32 current_weight = mWearable->getVisualParamWeight( param->getID() );
+	getChild<LLUICtrl>("param slider")->setValue(weightToPercent( current_weight ) );
+	mHintMin->requestUpdate( sUpdateDelayFrames++ );
+	mHintMax->requestUpdate( sUpdateDelayFrames++ );
+
+	mAllowModify = allow_modify;
+	getChildView("param slider")->setEnabled(mAllowModify);
+	getChildView("less")->setEnabled(mAllowModify);
+	getChildView("more")->setEnabled(mAllowModify);
+}
+
+void LLScrollingPanelParam::setVisible( BOOL visible )
+{
+	if( getVisible() != visible )
+	{
+		LLPanel::setVisible( visible );
+		mHintMin->setAllowsUpdates( visible );
+		mHintMax->setAllowsUpdates( visible );
+
+		if( visible )
+		{
+			mHintMin->setUpdateDelayFrames( sUpdateDelayFrames++ );
+			mHintMax->setUpdateDelayFrames( sUpdateDelayFrames++ );
+		}
+	}
+}
+
+void LLScrollingPanelParam::draw()
+{
+	if( !mWearable )
+	{
+		return;
+	}
+	
+	getChildView("less")->setVisible( mHintMin->getVisible());
+	getChildView("more")->setVisible( mHintMax->getVisible());
+
+	// hide borders if texture has been loaded
+	getChildView("left_border")->setVisible( !mHintMin->getVisible());
+	getChildView("right_border")->setVisible( !mHintMax->getVisible());
+
+	// Draw all the children except for the labels
+	getChildView("min param text")->setVisible( FALSE );
+	getChildView("max param text")->setVisible( FALSE );
+	LLPanel::draw();
+
+	// Draw the hints over the "less" and "more" buttons.
+	gGL.pushUIMatrix();
+	{
+		const LLRect& r = mHintMin->getRect();
+		gGL.translateUI((F32)r.mLeft, (F32)r.mBottom, 0.f);
+		mHintMin->draw();
+	}
+	gGL.popUIMatrix();
+
+	gGL.pushUIMatrix();
+	{
+		const LLRect& r = mHintMax->getRect();
+		gGL.translateUI((F32)r.mLeft, (F32)r.mBottom, 0.f);
+		mHintMax->draw();
+	}
+	gGL.popUIMatrix();
+
+
+	// Draw labels on top of the buttons
+	getChildView("min param text")->setVisible( TRUE );
+	drawChild(getChild<LLView>("min param text"));
+
+	getChildView("max param text")->setVisible( TRUE );
+	drawChild(getChild<LLView>("max param text"));
+}
+
+// static
+void LLScrollingPanelParam::onSliderMoved(LLUICtrl* ctrl, void* userdata)
+{
+	LLSliderCtrl* slider = (LLSliderCtrl*) ctrl;
+	LLScrollingPanelParam* self = (LLScrollingPanelParam*) userdata;
+	LLViewerVisualParam* param = self->mParam;
+	
+	F32 current_weight = self->mWearable->getVisualParamWeight( param->getID() );
+	F32 new_weight = self->percentToWeight( (F32)slider->getValue().asReal() );
+	if (current_weight != new_weight )
+	{
+		self->mWearable->setVisualParamWeight( param->getID(), new_weight, FALSE );
+		self->mWearable->writeToAvatar();
+		gAgentAvatarp->updateVisualParams();
+	}
+}
+
+// static
+void LLScrollingPanelParam::onSliderMouseDown(LLUICtrl* ctrl, void* userdata)
+{
+}
+
+// static
+void LLScrollingPanelParam::onSliderMouseUp(LLUICtrl* ctrl, void* userdata)
+{
+	LLScrollingPanelParam* self = (LLScrollingPanelParam*) userdata;
+
+	LLVisualParamHint::requestHintUpdates( self->mHintMin, self->mHintMax );
+}
+
+// static
+void LLScrollingPanelParam::onHintMinMouseDown( void* userdata )
+{
+	LLScrollingPanelParam* self = (LLScrollingPanelParam*) userdata;
+	self->onHintMouseDown( self->mHintMin );
+}
+
+// static
+void LLScrollingPanelParam::onHintMaxMouseDown( void* userdata )
+{
+	LLScrollingPanelParam* self = (LLScrollingPanelParam*) userdata;
+	self->onHintMouseDown( self->mHintMax );
+}
+
+
+void LLScrollingPanelParam::onHintMouseDown( LLVisualParamHint* hint )
+{
+	// morph towards this result
+	F32 current_weight = mWearable->getVisualParamWeight( hint->getVisualParam()->getID() );
+
+	// if we have maxed out on this morph, we shouldn't be able to click it
+	if( hint->getVisualParamWeight() != current_weight )
+	{
+		mMouseDownTimer.reset();
+		mLastHeldTime = 0.f;
+	}
+}
+
+// static
+void LLScrollingPanelParam::onHintMinHeldDown( void* userdata )
+{
+	LLScrollingPanelParam* self = (LLScrollingPanelParam*) userdata;
+	self->onHintHeldDown( self->mHintMin );
+}
+
+// static
+void LLScrollingPanelParam::onHintMaxHeldDown( void* userdata )
+{
+	LLScrollingPanelParam* self = (LLScrollingPanelParam*) userdata;
+	self->onHintHeldDown( self->mHintMax );
+}
+	
+void LLScrollingPanelParam::onHintHeldDown( LLVisualParamHint* hint )
+{
+	F32 current_weight = mWearable->getVisualParamWeight( hint->getVisualParam()->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( hint->getVisualParam()->getID(), new_weight, FALSE);
+				mWearable->writeToAvatar();
+				gAgentAvatarp->updateVisualParams();
+
+				slider->setValue( weightToPercent( new_weight ) );
+			}
+		}
+	}
+}
+
+// static
+void LLScrollingPanelParam::onHintMinMouseUp( void* userdata )
+{
+	LLScrollingPanelParam* self = (LLScrollingPanelParam*) userdata;
+
+	F32 elapsed_time = self->mMouseDownTimer.getElapsedTimeF32();
+
+	LLVisualParamHint* hint = self->mHintMin;
+
+	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 directiona
+		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 );
+}
+
+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 );
+}
+
+
+F32 LLScrollingPanelParam::weightToPercent( F32 weight )
+{
+	LLViewerVisualParam* param = mParam;
+	return (weight - param->getMinWeight()) /  (param->getMaxWeight() - param->getMinWeight()) * 100.f;
+}
+
+F32 LLScrollingPanelParam::percentToWeight( F32 percent )
+{
+	LLViewerVisualParam* param = mParam;
+	return percent / 100.f * (param->getMaxWeight() - param->getMinWeight()) + param->getMinWeight();
+}