Changed "center" property of textlist to "alignment".

TextListComponent can now be aligned either left, right, or center.

THEMES.md

@@ -331,8 +331,8 @@ Can be created as an extra.
 	- Path to a truetype font (.ttf).
 * `fontSize` - type: FLOAT.
 	- Size of the font as a percentage of screen height (e.g. for a value of `0.1`, the text's height would be 10% of the screen height).
-* `center` - type: BOOLEAN.
-	- If true, center the text on the x-axis.
+* `alignment` - type: STRING.
+	- Valid values are "left", "center", or "right".  Controls alignment on the X axis.
 
 #### textlist
 

src/ThemeData.cpp

@@ -36,7 +36,7 @@ std::map< std::string, std::map<std::string, ThemeData::ElementPropertyType> > T
 		("fontPath", PATH)
 		("fontSize", FLOAT)
 		("scrollSound", PATH)
-		("center", BOOLEAN))
+		("alignment", STRING))
 	("container", boost::assign::map_list_of
 		("pos", NORMALIZED_PAIR)
 		("size", NORMALIZED_PAIR))

src/ThemeData.h

@@ -33,7 +33,7 @@ namespace ThemeFlags
 		FONT_PATH = 32,
 		FONT_SIZE = 64,
 		SOUND = 128,
-		CENTER = 256,
+		ALIGNMENT = 256,
 		TEXT = 512,
 
 		ALL = 0xFFFFFFFF

src/components/TextComponent.cpp

@@ -172,7 +172,7 @@ void TextComponent::applyTheme(const std::shared_ptr<ThemeData>& theme, const st
 	if(properties & COLOR && elem->has("color"))
 		setColor(elem->get<unsigned int>("color"));
 
-	if(properties & CENTER && elem->has("center"))
+	if(properties & ALIGNMENT && elem->has("center"))
 		setCentered(elem->get<bool>("center"));
 
 	if(properties & TEXT && elem->has("text"))

src/components/TextListComponent.h

@@ -48,14 +48,21 @@ public:
 	void stopScrolling();
 	inline bool isScrolling() const { return mScrollDir != 0; }
 
-	inline void setCentered(bool centered) { mCentered = centered; }
-
 	enum CursorState
 	{
 		CURSOR_STOPPED,
 		CURSOR_SCROLLING
 	};
 
+	enum Alignment
+	{
+		ALIGN_LEFT,
+		ALIGN_CENTER,
+		ALIGN_RIGHT
+	};
+
+	inline void setAlignment(Alignment align) { mAlignment = align; }
+
 	inline void setCursorChangedCallback(const std::function<void(CursorState state)>& func) { mCursorChangedCallback = func; }
 
 	inline void setFont(const std::shared_ptr<Font>& font)
@@ -88,7 +95,7 @@ private:
 	int mMarqueeOffset;
 	int mMarqueeTime;
 
-	bool mCentered;
+	Alignment mAlignment;
 
 	std::vector<ListRow> mRowVector;
 	int mCursor;
@@ -114,7 +121,7 @@ TextListComponent<T>::TextListComponent(Window* window) :
 	mMarqueeOffset = 0;
 	mMarqueeTime = -MARQUEE_DELAY;
 
-	mCentered = true;
+	mAlignment = ALIGN_CENTER;
 
 	mFont = Font::get(FONT_SIZE_MEDIUM);
 	mSelectorColor = 0x000000FF;
@@ -179,8 +186,6 @@ void TextListComponent<T>::render(const Eigen::Affine3f& parentTrans)
 
 		ListRow& row = mRowVector.at((unsigned int)i);
 
-		float x = (float)(mCursor == i ? -mMarqueeOffset : 0);
-
 		unsigned int color;
 		if(mCursor == i && mSelectedColor)
 			color = mSelectedColor;
@@ -192,10 +197,24 @@ void TextListComponent<T>::render(const Eigen::Affine3f& parentTrans)
 
 		row.textCache->setColor(color);
 
-		Eigen::Vector3f offset(x, y, 0);
+		Eigen::Vector3f offset(0, y, 0);
 
-		if(mCentered)
-			offset[0] += (mSize.x() - row.textCache->metrics.size.x()) / 2;
+		switch(mAlignment)
+		{
+		case ALIGN_LEFT:
+			offset[0] = 0;
+			break;
+		case ALIGN_CENTER:
+			offset[0] = (mSize.x() - row.textCache->metrics.size.x()) / 2;
+			break;
+		case ALIGN_RIGHT:
+			offset[0] = (mSize.x() - row.textCache->metrics.size.x());
+			break;
+		}
+		
+		if(offset[0] < 0)
+			offset[0] = 0;
+		offset[0] += (float)(mCursor == i ? -mMarqueeOffset : 0);
 
 		Eigen::Affine3f drawTrans = trans;
 		drawTrans.translate(offset);
@@ -434,8 +453,18 @@ void TextListComponent<T>::applyTheme(const std::shared_ptr<ThemeData>& theme, c
 	if(properties & SOUND && elem->has("scrollSound"))
 		setSound(Sound::get(elem->get<std::string>("scrollSound")));
 
-	if(properties & CENTER && elem->has("center"))
-		mCentered = elem->get<bool>("center");
+	if(properties & ALIGNMENT && elem->has("alignment"))
+	{
+		const std::string& str = elem->get<std::string>("alignment");
+		if(str == "left")
+			setAlignment(ALIGN_LEFT);
+		else if(str == "center")
+			setAlignment(ALIGN_CENTER);
+		else if(str == "right")
+			setAlignment(ALIGN_RIGHT);
+		else
+			LOG(LogError) << "Unknown TextListComponent alignment \"" << str << "\"!";
+	}
 }
 
 #endif

src/views/gamelist/DetailedGameListView.cpp

@@ -19,7 +19,7 @@ DetailedGameListView::DetailedGameListView(Window* window, FileData* root) :
 
 	mList.setPosition(mSize.x() * (0.50f + padding), mList.getPosition().y());
 	mList.setSize(mSize.x() * (0.50f - 2*padding), mList.getSize().y());
-	mList.setCentered(false);
+	mList.setAlignment(TextListComponent<FileData*>::ALIGN_LEFT);
 	mList.setCursorChangedCallback([&](TextListComponent<FileData*>::CursorState state) { updateInfoPanel(); });
 
 	// image