implemented Range and ClampedValue classes to standardize min/max settings

fixed not serializing named values when values provided from code

5 files changed, 146 insertions, 24 deletions

diff --git a/indra/llui/lltoolbar.cpp b/indra/llui/lltoolbar.cpp
index c0058d534d..66c2d7ab0b 100644
--- a/indra/llui/lltoolbar.cpp
+++ b/indra/llui/lltoolbar.cpp
@@ -319,7 +319,7 @@ void LLToolBar::resizeButtonsInRow(std::vector<LLToolBarButton*>& buttons_in_row
 	{
 		if (getOrientation(mSideType) == LLLayoutStack::HORIZONTAL)
 		{
-			button->reshape(llclamp(button->getRect().getWidth(), button->mMinWidth, button->mMaxWidth), max_row_girth);
+			button->reshape(button->mWidthRange.clamp(button->getRect().getWidth()), max_row_girth);
 		}
 		else // VERTICAL
 		{
@@ -378,10 +378,10 @@ void LLToolBar::updateLayoutAsNeeded()
 
 	BOOST_FOREACH(LLToolBarButton* button, mButtons)
 	{
-		button->reshape(button->mMinWidth, button->mDesiredHeight);
+		button->reshape(button->mWidthRange.getMin(), button->mDesiredHeight);
 		button->autoResize();
 
-		S32 button_clamped_width = llclamp(button->getRect().getWidth(), button->mMinWidth, button->mMaxWidth);
+		S32 button_clamped_width = button->mWidthRange.clamp(button->getRect().getWidth());
 		S32 button_length = (orientation == LLLayoutStack::HORIZONTAL)
 							? button_clamped_width
 							: button->getRect().getHeight();
@@ -396,7 +396,7 @@ void LLToolBar::updateLayoutAsNeeded()
 		{
 			if (orientation == LLLayoutStack::VERTICAL)
 			{	// row girth (width in this case) is clamped to allowable button widths
-				max_row_girth = llclamp(max_row_girth, button->mMinWidth, button->mMaxWidth);
+				max_row_girth = button->mWidthRange.clamp(max_row_girth);
 			}
 
 			// make buttons in current row all same girth
@@ -543,8 +543,7 @@ LLToolBarButton::LLToolBarButton(const Params& p)
 :	LLButton(p),
 	mMouseDownX(0),
 	mMouseDownY(0),
-	mMinWidth(p.min_button_width),
-	mMaxWidth(p.max_button_width),
+	mWidthRange(p.button_width),
 	mDesiredHeight(p.desired_height),
 	mId("")
 {}
diff --git a/indra/llui/lltoolbar.h b/indra/llui/lltoolbar.h
index 5d64630fa6..48ca6c62b3 100644
--- a/indra/llui/lltoolbar.h
+++ b/indra/llui/lltoolbar.h
@@ -41,13 +41,11 @@ class LLToolBarButton : public LLButton
 public:
 	struct Params : public LLInitParam::Block<Params, LLButton::Params>
 	{
-		Optional<S32>	min_button_width,
-						max_button_width,
-						desired_height;
+		Optional<LLUI::Range<S32> >	button_width;
+		Optional<S32>				desired_height;
 
 		Params()
-		:	min_button_width("min_button_width", 0),
-			max_button_width("max_button_width", S32_MAX),
+		:	button_width("button_width"),
 			desired_height("desired_height", 20)
 		{}
 
@@ -62,8 +60,7 @@ private:
 	LLCommandId		mId;
 	S32				mMouseDownX;
 	S32				mMouseDownY;
-	S32				mMinWidth;
-	S32				mMaxWidth;
+	LLUI::Range<S32> mWidthRange;
 	S32				mDesiredHeight;
 };
 
diff --git a/indra/llui/lltoolbarview.cpp b/indra/llui/lltoolbarview.cpp
index 12247519ad..49d4bfdc3c 100644
--- a/indra/llui/lltoolbarview.cpp
+++ b/indra/llui/lltoolbarview.cpp
@@ -169,8 +169,8 @@ bool LLToolBarView::loadToolbars(bool force_default)
 	{
 		if (toolbar_set.left_toolbar.button_display_mode.isProvided())
 		{
-			U32 button_type = toolbar_set.left_toolbar.button_display_mode;
-			mToolbarLeft->setButtonType((LLToolBarEnums::ButtonType)(button_type));
+			LLToolBarEnums::ButtonType button_type = toolbar_set.left_toolbar.button_display_mode;
+			mToolbarLeft->setButtonType(button_type);
 		}
 		BOOST_FOREACH(LLCommandId::Params& command, toolbar_set.left_toolbar.commands)
 		{
@@ -181,8 +181,8 @@ bool LLToolBarView::loadToolbars(bool force_default)
 	{
 		if (toolbar_set.right_toolbar.button_display_mode.isProvided())
 		{
-			U32 button_type = toolbar_set.right_toolbar.button_display_mode;
-			mToolbarRight->setButtonType((LLToolBarEnums::ButtonType)(button_type));
+			LLToolBarEnums::ButtonType button_type = toolbar_set.right_toolbar.button_display_mode;
+			mToolbarRight->setButtonType(button_type);
 		}
 		BOOST_FOREACH(LLCommandId::Params& command, toolbar_set.right_toolbar.commands)
 		{
@@ -193,8 +193,8 @@ bool LLToolBarView::loadToolbars(bool force_default)
 	{
 		if (toolbar_set.bottom_toolbar.button_display_mode.isProvided())
 		{
-			U32 button_type = toolbar_set.bottom_toolbar.button_display_mode;
-			mToolbarBottom->setButtonType((LLToolBarEnums::ButtonType)(button_type));
+			LLToolBarEnums::ButtonType button_type = toolbar_set.bottom_toolbar.button_display_mode;
+			mToolbarBottom->setButtonType(button_type);
 		}
 		BOOST_FOREACH(LLCommandId::Params& command, toolbar_set.bottom_toolbar.commands)
 		{
@@ -223,17 +223,17 @@ void LLToolBarView::saveToolbars() const
 	LLToolBarView::ToolbarSet toolbar_set;
 	if (mToolbarLeft)
 	{
-		toolbar_set.left_toolbar.button_display_mode = (int)(mToolbarLeft->getButtonType());
+		toolbar_set.left_toolbar.button_display_mode = mToolbarLeft->getButtonType();
 		addToToolset(mToolbarLeft->getCommandsList(),toolbar_set.left_toolbar);
 	}
 	if (mToolbarRight)
 	{
-		toolbar_set.right_toolbar.button_display_mode = (int)(mToolbarRight->getButtonType());
+		toolbar_set.right_toolbar.button_display_mode = mToolbarRight->getButtonType();
 		addToToolset(mToolbarRight->getCommandsList(),toolbar_set.right_toolbar);
 	}
 	if (mToolbarBottom)
 	{
-		toolbar_set.bottom_toolbar.button_display_mode = (int)(mToolbarBottom->getButtonType());
+		toolbar_set.bottom_toolbar.button_display_mode = mToolbarBottom->getButtonType();
 		addToToolset(mToolbarBottom->getCommandsList(),toolbar_set.bottom_toolbar);
 	}
 	
diff --git a/indra/llui/lltoolbarview.h b/indra/llui/lltoolbarview.h
index 20525a22ac..c67b8d9d64 100644
--- a/indra/llui/lltoolbarview.h
+++ b/indra/llui/lltoolbarview.h
@@ -50,8 +50,8 @@ public:
 	// the user folder for the user specific (saved) settings
 	struct Toolbar : public LLInitParam::Block<Toolbar>
 	{
-		Mandatory<U32>                button_display_mode;
-		Multiple<LLCommandId::Params>	commands;
+		Mandatory<LLToolBarEnums::ButtonType>	button_display_mode;
+		Multiple<LLCommandId::Params>			commands;
 		Toolbar();
 	};
 	struct ToolbarSet : public LLInitParam::Block<ToolbarSet>
diff --git a/indra/llui/llui.h b/indra/llui/llui.h
index 3afb7c65a9..9f6fccfef6 100644
--- a/indra/llui/llui.h
+++ b/indra/llui/llui.h
@@ -148,6 +148,132 @@ class LLUI
 	LOG_CLASS(LLUI);
 public:
 	//
+	// Classes
+	//
+
+	template <typename T>
+	struct Range 
+	{
+		typedef Range<T> self_t;
+
+		struct Params : public LLInitParam::Block<Params>
+		{
+			Optional<T>	minimum,
+						maximum;
+
+			Params()
+			:	minimum("min", 0),
+				maximum("max", S32_MAX)
+			{
+
+			}
+		};
+
+		// correct for inverted params
+		Range(const Params& p = Params())
+			:	mMin(p.minimum),
+			mMax(p.maximum)
+		{
+			sanitizeRange();
+		}
+
+		Range(T minimum, T maximum)
+			:	mMin(minimum),
+			mMax(maximum)
+		{
+			sanitizeRange();
+		}
+
+		S32 clamp(T input)
+		{
+			if (input < mMin) return mMin;
+			if (input > mMax) return mMax;
+			return input;
+		}
+
+		void setRange(T minimum, T maximum)
+		{
+			mMin = minimum;
+			mMax = maximum;
+			sanitizeRange();
+		}
+
+		S32 getMin() { return mMin; }
+		S32 getMax() { return mMax; }
+
+		bool operator==(const self_t& other) const
+		{
+			return mMin == other.mMin 
+				&& mMax == other.mMax;
+		}
+	private:
+		void sanitizeRange()
+		{
+			if (mMin > mMax)
+			{
+				llwarns << "Bad interval range (" << mMin << ", " << mMax << ")" << llendl;
+				// since max is usually the most dangerous one to ignore (buffer overflow, etc), prefer it
+				// in the case of a malformed range
+				mMin = mMax;
+			}
+		}
+
+
+		T	mMin,
+			mMax;
+	};
+
+	template<typename T>
+	struct ClampedValue : public Range<T>
+	{
+		typedef Range<T> range_t;
+
+		struct Params : public LLInitParam::Block<Params, typename range_t::Params>
+		{
+			Mandatory<S32> value;
+
+			Params()
+			:	value("", 0)
+			{
+				addSynonym(value, "value");
+			}
+		};
+
+		ClampedValue(const Params& p)
+		:	range_t(p)
+		{}
+
+		ClampedValue(const range_t& range)
+		:	range_t(range)
+		{
+			// set value here, after range has been sanitized
+			mValue = clamp(0);
+		}
+
+		ClampedValue(T value, const range_t& range = range_t())
+		:	range_t(range)
+		{
+			mValue = clamp(value);
+		}
+
+		T get()
+		{
+			return mValue;
+		}
+
+		void set(T value)
+		{
+			mValue = clamp(value);
+		}
+
+
+	private:
+		T mValue;
+	};
+
+	typedef ClampedValue<S32> ClampedS32;
+
+	//
 	// Methods
 	//
 	typedef std::map<std::string, LLControlGroup*> settings_map_t;