Merge branch 'master' into DRTVWR-460

16 files changed, 190 insertions, 17 deletions

diff --git a/indra/llui/llcheckboxctrl.cpp b/indra/llui/llcheckboxctrl.cpp
index eee6339caf..6a51c4240b 100644
--- a/indra/llui/llcheckboxctrl.cpp
+++ b/indra/llui/llcheckboxctrl.cpp
@@ -47,10 +47,18 @@ static LLDefaultChildRegistry::Register<LLCheckBoxCtrl> r("check_box");
 template class LLCheckBoxCtrl* LLView::getChild<class LLCheckBoxCtrl>(
 	const std::string& name, BOOL recurse) const;
 
+void LLCheckBoxCtrl::WordWrap::declareValues()
+{
+    declare("none", EWordWrap::WRAP_NONE);
+    declare("down", EWordWrap::WRAP_DOWN);
+    declare("up", EWordWrap::WRAP_UP);
+}
+
 LLCheckBoxCtrl::Params::Params()
 :	initial_value("initial_value", false),
 	label_text("label_text"),
 	check_button("check_button"),
+	word_wrap("word_wrap", EWordWrap::WRAP_NONE),
 	radio_style("radio_style")
 {}
 
@@ -59,14 +67,14 @@ LLCheckBoxCtrl::LLCheckBoxCtrl(const LLCheckBoxCtrl::Params& p)
 :	LLUICtrl(p),
 	mTextEnabledColor(p.label_text.text_color()),
 	mTextDisabledColor(p.label_text.text_readonly_color()),
-	mFont(p.font())
+	mFont(p.font()),
+	mWordWrap(p.word_wrap)
 {
 	mViewModel->setValue(LLSD(p.initial_value));
 	mViewModel->resetDirty();
 	static LLUICachedControl<S32> llcheckboxctrl_spacing ("UICheckboxctrlSpacing", 0);
 	static LLUICachedControl<S32> llcheckboxctrl_hpad ("UICheckboxctrlHPad", 0);
 	static LLUICachedControl<S32> llcheckboxctrl_vpad ("UICheckboxctrlVPad", 0);
-	static LLUICachedControl<S32> llcheckboxctrl_btn_size ("UICheckboxctrlBtnSize", 0);
 
 	// must be big enough to hold all children
 	setUseBoundingRect(TRUE);
@@ -85,20 +93,47 @@ LLCheckBoxCtrl::LLCheckBoxCtrl(const LLCheckBoxCtrl::Params& p)
 	{
 		tbparams.font(p.font);
 	}
-	mLabel = LLUICtrlFactory::create<LLTextBox> (tbparams);
+
+    mLabel = LLUICtrlFactory::create<LLTextBox>(tbparams);
+    if (mWordWrap != WRAP_NONE)
+    {
+        // Not setWordWrap(mWordWrap != WRAP_NONE) because there might be some old lurking code that sets it manually
+        mLabel->setWordWrap(true);
+        S32 new_width = getRect().getWidth() - p.check_button.rect().getWidth() - llcheckboxctrl_hpad;
+        LLRect label_rect = mLabel->getRect();
+        label_rect.mRight = label_rect.mLeft + new_width;
+        mLabel->setRect(label_rect);
+    }
 	mLabel->reshapeToFitText();
-	addChild(mLabel);
 
 	LLRect label_rect = mLabel->getRect();
+	if (mLabel->getLineCount() > 1)
+	{
+        if (mWordWrap == WRAP_DOWN)
+        {
+            // reshapeToFitText uses LLView::reshape() which always reshapes
+            // from bottom to top, but we want to extend the bottom
+            // Note: might be better idea to use getRect().mTop of LLCheckBoxCtrl (+pad) as top point of new rect
+            S32 delta = ll_round((F32)mLabel->getFont()->getLineHeight() * mLabel->getLineSpacingMult()) - label_rect.getHeight();
+            label_rect.translate(0, delta);
+            mLabel->setRect(label_rect);
+        }
+        // else
+        // WRAP_UP is essentially done by reshapeToFitText() (extends from bottom to top)
+        // howhever it doesn't respect rect of checkbox
+        // todo: this should be fixed, but there are at least couple checkboxes that use this feature as is.
+	}
+
+	addChild(mLabel);
 
 	// Button
-	// Note: button cover the label by extending all the way to the right.
+	// Note: button cover the label by extending all the way to the right and down.
 	LLRect btn_rect = p.check_button.rect();
 	btn_rect.setOriginAndSize(
 		btn_rect.mLeft,
-		btn_rect.mBottom,
+		llmin(btn_rect.mBottom, label_rect.mBottom),
 		llmax(btn_rect.mRight, label_rect.mRight - btn_rect.mLeft),
-		llmax( label_rect.getHeight(), btn_rect.mTop));
+		llmax(label_rect.getHeight(), btn_rect.mTop));
 	std::string active_true_id, active_false_id;
 	std::string inactive_true_id, inactive_false_id;
 
@@ -152,17 +187,26 @@ void LLCheckBoxCtrl::clear()
 
 void LLCheckBoxCtrl::reshape(S32 width, S32 height, BOOL called_from_parent)
 {
-
+	S32 label_top = mLabel->getRect().mTop;
 	mLabel->reshapeToFitText();
 
 	LLRect label_rect = mLabel->getRect();
+	if (label_top != label_rect.mTop && mWordWrap == WRAP_DOWN)
+	{
+		// reshapeToFitText uses LLView::reshape() which always reshapes
+		// from bottom to top, but we want to extend the bottom so
+		// reposition control
+		S32 delta = label_top - label_rect.mTop;
+		label_rect.translate(0, delta);
+		mLabel->setRect(label_rect);
+	}
 
 	// Button
-	// Note: button cover the label by extending all the way to the right.
+	// Note: button cover the label by extending all the way to the right and down.
 	LLRect btn_rect = mButton->getRect();
 	btn_rect.setOriginAndSize(
 		btn_rect.mLeft,
-		btn_rect.mBottom,
+		llmin(btn_rect.mBottom, label_rect.mBottom),
 		llmax(btn_rect.getWidth(), label_rect.mRight - btn_rect.mLeft),
 		llmax(label_rect.mTop - btn_rect.mBottom, btn_rect.getHeight()));
 	mButton->setShape(btn_rect);
diff --git a/indra/llui/llcheckboxctrl.h b/indra/llui/llcheckboxctrl.h
index 07ae9c3b18..eb5bd5b6da 100644
--- a/indra/llui/llcheckboxctrl.h
+++ b/indra/llui/llcheckboxctrl.h
@@ -50,6 +50,19 @@ class LLCheckBoxCtrl
 , public ll::ui::SearchableControl
 {
 public:
+
+    enum EWordWrap
+    {
+        WRAP_NONE,
+        WRAP_UP,
+        WRAP_DOWN
+    };
+
+    struct WordWrap : public LLInitParam::TypeValuesHelper<EWordWrap, WordWrap>
+    {
+        static void declareValues();
+    };
+
 	struct Params 
 	:	public LLInitParam::Block<Params, LLUICtrl::Params>
 	{
@@ -58,6 +71,8 @@ public:
 		Optional<LLTextBox::Params> label_text;
 		Optional<LLButton::Params> check_button;
 
+		Optional<EWordWrap, WordWrap>	word_wrap;
+
 		Ignored					radio_style;
 
 		Params();
@@ -129,6 +144,8 @@ protected:
 
 	LLUIColor		mTextEnabledColor;
 	LLUIColor		mTextDisabledColor;
+
+	EWordWrap		mWordWrap; // off, shifts text up, shifts text down
 };
 
 // Build time optimization, generate once in .cpp file
diff --git a/indra/llui/llmenugl.cpp b/indra/llui/llmenugl.cpp
index 200dd2fdca..732fa9feb1 100644
--- a/indra/llui/llmenugl.cpp
+++ b/indra/llui/llmenugl.cpp
@@ -788,6 +788,12 @@ void LLMenuItemCallGL::initFromParams(const Params& p)
 			{
 				setEnabledControlVariable(control);
 			}
+			else
+			{
+				LL_WARNS() << "Failed to assign 'enabled' control variable to menu " << getName()
+							<< ": control " << p.on_enable.control_name()
+							<< " does not exist." << LL_ENDL;
+			}
 		}
 	}
 	if (p.on_click.isProvided())
diff --git a/indra/llui/llnotifications.cpp b/indra/llui/llnotifications.cpp
index 9fc6c05ead..6a7075301b 100644
--- a/indra/llui/llnotifications.cpp
+++ b/indra/llui/llnotifications.cpp
@@ -68,7 +68,8 @@ LLNotificationForm::FormIgnore::FormIgnore()
 	control("control"),
 	invert_control("invert_control", false),
 	save_option("save_option", false),
-	session_only("session_only", false)
+	session_only("session_only", false),
+	checkbox_only("checkbox_only", false)
 {}
 
 LLNotificationForm::FormButton::FormButton()
@@ -195,10 +196,15 @@ LLNotificationForm::LLNotificationForm(const std::string& name, const LLNotifica
 {
 	if (p.ignore.isProvided())
 	{
+		// For all cases but IGNORE_CHECKBOX_ONLY this is name for use in preferences
 		mIgnoreMsg = p.ignore.text;
 
 		LLUI *ui_inst = LLUI::getInstance();
-		if (!p.ignore.save_option)
+		if (p.ignore.checkbox_only)
+		{
+			mIgnore = IGNORE_CHECKBOX_ONLY;
+		}
+		else if (!p.ignore.save_option)
 		{
 			mIgnore = p.ignore.session_only ? IGNORE_WITH_DEFAULT_RESPONSE_SESSION_ONLY : IGNORE_WITH_DEFAULT_RESPONSE;
 		}
@@ -215,7 +221,7 @@ LLNotificationForm::LLNotificationForm(const std::string& name, const LLNotifica
 			mIgnoreSetting = ui_inst->mSettingGroups["config"]->getControl(p.ignore.control);
 			mInvertSetting = p.ignore.invert_control;
 		}
-		else
+		else if (mIgnore > IGNORE_NO)
 		{
 			ui_inst->mSettingGroups["ignores"]->declareBOOL(name, show_notification, "Show notification with this name", LLControlVariable::PERSIST_NONDFT);
 			mIgnoreSetting = ui_inst->mSettingGroups["ignores"]->getControl(name);
@@ -389,13 +395,12 @@ LLControlVariablePtr LLNotificationForm::getIgnoreSetting()
 bool LLNotificationForm::getIgnored()
 {
 	bool show = true;
-	if (mIgnore != LLNotificationForm::IGNORE_NO
+	if (mIgnore > LLNotificationForm::IGNORE_NO
 		&& mIgnoreSetting) 
 	{
 		show = mIgnoreSetting->getValue().asBoolean();
 		if (mInvertSetting) show = !show;
 	}
-
 	return !show;
 }
 
@@ -696,7 +701,7 @@ void LLNotification::respond(const LLSD& response)
 		mTemporaryResponder = false;
 	}
 
-	if (mForm->getIgnoreType() != LLNotificationForm::IGNORE_NO)
+	if (mForm->getIgnoreType() > LLNotificationForm::IGNORE_NO)
 	{
 		mForm->setIgnored(mIgnored);
 		if (mIgnored && mForm->getIgnoreType() == LLNotificationForm::IGNORE_WITH_LAST_RESPONSE)
diff --git a/indra/llui/llnotifications.h b/indra/llui/llnotifications.h
index 1509446920..62cf41256b 100644
--- a/indra/llui/llnotifications.h
+++ b/indra/llui/llnotifications.h
@@ -180,6 +180,7 @@ public:
 		Optional<std::string>	control;
 		Optional<bool>			invert_control;
 		Optional<bool>			session_only;
+		Optional<bool>			checkbox_only;
 
 		FormIgnore();
 	};
@@ -232,7 +233,8 @@ public:
 
 	typedef enum e_ignore_type
 	{ 
-		IGNORE_NO,
+		IGNORE_CHECKBOX_ONLY = -1, // ignore won't be handled, will set value/checkbox only
+		IGNORE_NO = 0,
 		IGNORE_WITH_DEFAULT_RESPONSE,
 		IGNORE_WITH_DEFAULT_RESPONSE_SESSION_ONLY,
 		IGNORE_WITH_LAST_RESPONSE, 
diff --git a/indra/llui/llscrollbar.cpp b/indra/llui/llscrollbar.cpp
index b3a79bc1eb..fde6de4921 100644
--- a/indra/llui/llscrollbar.cpp
+++ b/indra/llui/llscrollbar.cpp
@@ -408,6 +408,16 @@ BOOL LLScrollbar::handleScrollWheel(S32 x, S32 y, S32 clicks)
 	return handled;
 }
 
+BOOL LLScrollbar::handleScrollHWheel(S32 x, S32 y, S32 clicks)
+{
+	BOOL handled = FALSE;
+	if (LLScrollbar::HORIZONTAL == mOrientation)
+	{
+		handled = changeLine(clicks * mStepSize, TRUE);
+	}
+	return handled;
+}
+
 BOOL LLScrollbar::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
 									EDragAndDropType cargo_type, void *cargo_data, EAcceptance *accept, std::string &tooltip_msg)
 {
diff --git a/indra/llui/llscrollbar.h b/indra/llui/llscrollbar.h
index e2bf52c14b..5f2f490d81 100644
--- a/indra/llui/llscrollbar.h
+++ b/indra/llui/llscrollbar.h
@@ -88,6 +88,7 @@ public:
 	virtual BOOL	handleDoubleClick(S32 x, S32 y, MASK mask);
 	virtual BOOL	handleHover(S32 x, S32 y, MASK mask);
 	virtual BOOL	handleScrollWheel(S32 x, S32 y, S32 clicks);
+	virtual BOOL	handleScrollHWheel(S32 x, S32 y, S32 clicks);
 	virtual BOOL	handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop, 
 		EDragAndDropType cargo_type, void *cargo_data, EAcceptance *accept, std::string &tooltip_msg);
 
diff --git a/indra/llui/llscrollcontainer.cpp b/indra/llui/llscrollcontainer.cpp
index 6135cc56ad..3db38bbfac 100644
--- a/indra/llui/llscrollcontainer.cpp
+++ b/indra/llui/llscrollcontainer.cpp
@@ -272,6 +272,25 @@ BOOL LLScrollContainer::handleScrollWheel( S32 x, S32 y, S32 clicks )
 	return FALSE;
 }
 
+BOOL LLScrollContainer::handleScrollHWheel(S32 x, S32 y, S32 clicks)
+{
+	if (LLUICtrl::handleScrollHWheel(x,y,clicks))
+	{
+		return TRUE;
+	}
+
+	LLScrollbar* horizontal = mScrollbar[HORIZONTAL];
+	if (horizontal->getVisible()
+		&& horizontal->getEnabled()
+		&& horizontal->handleScrollHWheel( 0, 0, clicks ) )
+	{
+		updateScroll();
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
 BOOL LLScrollContainer::handleDragAndDrop(S32 x, S32 y, MASK mask,
 												  BOOL drop,
 												  EDragAndDropType cargo_type,
diff --git a/indra/llui/llscrollcontainer.h b/indra/llui/llscrollcontainer.h
index e6c7891397..c14099dbd5 100644
--- a/indra/llui/llscrollcontainer.h
+++ b/indra/llui/llscrollcontainer.h
@@ -107,6 +107,7 @@ public:
 	virtual BOOL	handleKeyHere(KEY key, MASK mask);
 	virtual BOOL	handleUnicodeCharHere(llwchar uni_char);
 	virtual BOOL	handleScrollWheel( S32 x, S32 y, S32 clicks );
+	virtual BOOL	handleScrollHWheel( S32 x, S32 y, S32 clicks );
 	virtual BOOL	handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
 								   EDragAndDropType cargo_type,
 								   void* cargo_data,
diff --git a/indra/llui/llscrolllistctrl.cpp b/indra/llui/llscrolllistctrl.cpp
index f4028057e8..6c8fde580f 100644
--- a/indra/llui/llscrolllistctrl.cpp
+++ b/indra/llui/llscrolllistctrl.cpp
@@ -1601,6 +1601,20 @@ BOOL LLScrollListCtrl::handleScrollWheel(S32 x, S32 y, S32 clicks)
 	return handled;
 }
 
+BOOL LLScrollListCtrl::handleScrollHWheel(S32 x, S32 y, S32 clicks)
+{
+	BOOL handled = FALSE;
+	// Pretend the mouse is over the scrollbar
+	handled = mScrollbar->handleScrollHWheel( 0, 0, clicks );
+
+	if (mMouseWheelOpaque)
+	{
+		return TRUE;
+	}
+
+	return handled;
+}
+
 // *NOTE: Requires a valid row_index and column_index
 LLRect LLScrollListCtrl::getCellRect(S32 row_index, S32 column_index)
 {
diff --git a/indra/llui/llscrolllistctrl.h b/indra/llui/llscrolllistctrl.h
index b35a8608e7..d7572d9fcf 100644
--- a/indra/llui/llscrolllistctrl.h
+++ b/indra/llui/llscrolllistctrl.h
@@ -317,6 +317,7 @@ public:
 	/*virtual*/ BOOL	handleKeyHere(KEY key, MASK mask);
 	/*virtual*/ BOOL	handleUnicodeCharHere(llwchar uni_char);
 	/*virtual*/ BOOL	handleScrollWheel(S32 x, S32 y, S32 clicks);
+	/*virtual*/ BOOL	handleScrollHWheel(S32 x, S32 y, S32 clicks);
 	/*virtual*/ BOOL	handleToolTip(S32 x, S32 y, MASK mask);
 	/*virtual*/ void	setEnabled(BOOL enabled);
 	/*virtual*/ void	setFocus( BOOL b );
diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp
index 22635f734e..e64078828b 100644
--- a/indra/llui/lltextbase.cpp
+++ b/indra/llui/lltextbase.cpp
@@ -3113,6 +3113,7 @@ BOOL LLTextSegment::handleRightMouseUp(S32 x, S32 y, MASK mask) { return FALSE;
 BOOL LLTextSegment::handleDoubleClick(S32 x, S32 y, MASK mask) { return FALSE; }
 BOOL LLTextSegment::handleHover(S32 x, S32 y, MASK mask) { return FALSE; }
 BOOL LLTextSegment::handleScrollWheel(S32 x, S32 y, S32 clicks) { return FALSE; }
+BOOL LLTextSegment::handleScrollHWheel(S32 x, S32 y, S32 clicks) { return FALSE; }
 BOOL LLTextSegment::handleToolTip(S32 x, S32 y, MASK mask) { return FALSE; }
 const std::string&	LLTextSegment::getName() const 
 {
diff --git a/indra/llui/lltextbase.h b/indra/llui/lltextbase.h
index 9831c35858..058b804714 100644
--- a/indra/llui/lltextbase.h
+++ b/indra/llui/lltextbase.h
@@ -103,6 +103,7 @@ public:
 	/*virtual*/ BOOL			handleDoubleClick(S32 x, S32 y, MASK mask);
 	/*virtual*/ BOOL			handleHover(S32 x, S32 y, MASK mask);
 	/*virtual*/ BOOL			handleScrollWheel(S32 x, S32 y, S32 clicks);
+	/*virtual*/ BOOL			handleScrollHWheel(S32 x, S32 y, S32 clicks);
 	/*virtual*/ BOOL			handleToolTip(S32 x, S32 y, MASK mask);
 	/*virtual*/ const std::string&	getName() const;
 	/*virtual*/ void			onMouseCaptureLost();
@@ -440,6 +441,8 @@ public:
 
 	S32						getVPad() { return mVPad; }
 	S32						getHPad() { return mHPad; }
+	F32						getLineSpacingMult() { return mLineSpacingMult; }
+	S32						getLineSpacingPixels() { return mLineSpacingPixels; } // only for multiline
 
 	S32						getDocIndexFromLocalCoord( S32 local_x, S32 local_y, BOOL round, bool hit_past_end_of_line = true) const;
 	LLRect					getLocalRectFromDocIndex(S32 pos) const;
diff --git a/indra/llui/lluictrl.cpp b/indra/llui/lluictrl.cpp
index df74e113e9..c98da0d410 100644
--- a/indra/llui/lluictrl.cpp
+++ b/indra/llui/lluictrl.cpp
@@ -137,13 +137,29 @@ void LLUICtrl::initFromParams(const Params& p)
 		{
 			LLControlVariable* control = findControl(p.enabled_controls.enabled);
 			if (control)
+			{
 				setEnabledControlVariable(control);
+			}
+			else
+			{
+				LL_WARNS() << "Failed to assign 'enabled' control variable to " << getName()
+							<< ": control " << p.enabled_controls.enabled()
+							<< " does not exist." << LL_ENDL;
+			}
 		}
 		else if(p.enabled_controls.disabled.isChosen())
 		{
 			LLControlVariable* control = findControl(p.enabled_controls.disabled);
 			if (control)
+			{
 				setDisabledControlVariable(control);
+			}
+			else
+			{
+				LL_WARNS() << "Failed to assign 'disabled' control variable to " << getName() 
+							<< ": control " << p.enabled_controls.disabled()
+							<< " does not exist." << LL_ENDL;
+			}
 		}
 	}
 	if(p.controls_visibility.isProvided())
@@ -152,13 +168,29 @@ void LLUICtrl::initFromParams(const Params& p)
 		{
 			LLControlVariable* control = findControl(p.controls_visibility.visible);
 			if (control)
+			{
 				setMakeVisibleControlVariable(control);
+			}
+			else
+			{
+				LL_WARNS() << "Failed to assign visibility control variable to " << getName()
+							<< ": control " << p.controls_visibility.visible()
+							<< " does not exist." << LL_ENDL;
+			}
 		}
 		else if (p.controls_visibility.invisible.isChosen())
 		{
 			LLControlVariable* control = findControl(p.controls_visibility.invisible);
 			if (control)
+			{
 				setMakeInvisibleControlVariable(control);
+			}
+			else
+			{
+				LL_WARNS() << "Failed to assign invisibility control variable to " << getName()
+							<< ": control " << p.controls_visibility.invisible()
+							<< " does not exist." << LL_ENDL;
+			}
 		}
 	}
 
@@ -497,6 +529,11 @@ void LLUICtrl::setControlName(const std::string& control_name, LLView *context)
 	if (!control_name.empty())
 	{
 		LLControlVariable* control = context->findControl(control_name);
+		if (!control)
+		{
+			LL_WARNS() << "Failed to assign control variable to " << getName()
+						<< ": control "<< control_name << " does not exist." << LL_ENDL;
+		}
 		setControlVariable(control);
 	}
 }
diff --git a/indra/llui/llview.cpp b/indra/llui/llview.cpp
index 55cd45dbf2..593c8b12fc 100644
--- a/indra/llui/llview.cpp
+++ b/indra/llui/llview.cpp
@@ -1060,6 +1060,11 @@ BOOL LLView::handleScrollWheel(S32 x, S32 y, S32 clicks)
 	return childrenHandleScrollWheel( x, y, clicks ) != NULL;
 }
 
+BOOL LLView::handleScrollHWheel(S32 x, S32 y, S32 clicks)
+{
+	return childrenHandleScrollHWheel( x, y, clicks ) != NULL;
+}
+
 BOOL LLView::handleRightMouseDown(S32 x, S32 y, MASK mask)
 {
 	return childrenHandleRightMouseDown( x, y, mask ) != NULL;
@@ -1085,6 +1090,11 @@ LLView* LLView::childrenHandleScrollWheel(S32 x, S32 y, S32 clicks)
 	return childrenHandleMouseEvent(&LLView::handleScrollWheel, x, y, clicks, false);
 }
 
+LLView* LLView::childrenHandleScrollHWheel(S32 x, S32 y, S32 clicks)
+{
+	return childrenHandleMouseEvent(&LLView::handleScrollHWheel, x, y, clicks, false);
+}
+
 // Called during downward traversal
 LLView* LLView::childrenHandleKey(KEY key, MASK mask)
 {
diff --git a/indra/llui/llview.h b/indra/llui/llview.h
index e36ca7c8c6..db81900aaf 100644
--- a/indra/llui/llview.h
+++ b/indra/llui/llview.h
@@ -426,6 +426,7 @@ public:
 	/*virtual*/ BOOL	handleMiddleMouseDown(S32 x, S32 y, MASK mask);
 	/*virtual*/ BOOL	handleDoubleClick(S32 x, S32 y, MASK mask);
 	/*virtual*/ BOOL	handleScrollWheel(S32 x, S32 y, S32 clicks);
+	/*virtual*/ BOOL	handleScrollHWheel(S32 x, S32 y, S32 clicks);
 	/*virtual*/ BOOL	handleRightMouseDown(S32 x, S32 y, MASK mask);
 	/*virtual*/ BOOL	handleRightMouseUp(S32 x, S32 y, MASK mask);	
 	/*virtual*/ BOOL	handleToolTip(S32 x, S32 y, MASK mask);
@@ -556,6 +557,7 @@ protected:
 	LLView* childrenHandleMiddleMouseDown(S32 x, S32 y, MASK mask);
 	LLView* childrenHandleDoubleClick(S32 x, S32 y, MASK mask);
 	LLView*	childrenHandleScrollWheel(S32 x, S32 y, S32 clicks);
+	LLView*	childrenHandleScrollHWheel(S32 x, S32 y, S32 clicks);
 	LLView* childrenHandleRightMouseDown(S32 x, S32 y, MASK mask);
 	LLView* childrenHandleRightMouseUp(S32 x, S32 y, MASK mask);
 	LLView* childrenHandleToolTip(S32 x, S32 y, MASK mask);