CLabel: add methods getWidth, setColor, setAutoRedraw

For somethign like map list we need to change CLabel data without redrawing it.

client/widgets/TextControls.cpp

@@ -63,6 +63,11 @@ std::string CLabel::getText()
 	return text;
 }
 
+void CLabel::setAutoRedraw(bool value)
+{
+	autoRedraw = value;
+}
+
 void CLabel::setText(const std::string &Txt)
 {
 	text = Txt;
@@ -75,6 +80,23 @@ void CLabel::setText(const std::string &Txt)
 	}
 }
 
+void CLabel::setColor(const SDL_Color & Color)
+{
+	color = Color;
+	if(autoRedraw)
+	{
+		if(bg || !parent)
+			redraw();
+		else
+			parent->redraw();
+	}
+}
+
+size_t CLabel::getWidth()
+{
+	return graphics->fonts[font]->getStringWidth(visibleText());;
+}
+
 CMultiLineLabel::CMultiLineLabel(Rect position, EFonts Font, EAlignment Align, const SDL_Color &Color, const std::string &Text):
 	CLabel(position.x, position.y, Font, Align, Color, Text),
 	visibleSize(0, 0, position.w, position.h)

client/widgets/TextControls.h

@@ -47,7 +47,10 @@ public:
 	bool autoRedraw;  //whether control will redraw itself on setTxt
 
 	std::string getText();
+	virtual void setAutoRedraw(bool option);
 	virtual void setText(const std::string &Txt);
+	virtual void setColor(const SDL_Color & Color);
+	size_t getWidth();
 
 	CLabel(int x=0, int y=0, EFonts Font = FONT_SMALL, EAlignment Align = TOPLEFT,
 	       const SDL_Color &Color = Colors::WHITE, const std::string &Text =  "");