context-box.cpp
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context-box.cpp
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	#include "r-tech1/graphics/bitmap.h"

	#include "r-tech1/gui/context-box.h"
	#include "r-tech1/font.h"
	#include <math.h>

	#include "r-tech1/token.h"

	static const double FONT_SPACER = 1.3;
	static const int GradientMax = 50;

	static Graphics::Color selectedGradientStart(){
	static Graphics::Color color = Graphics::makeColor(19, 167, 168);
	return color;
	}

	static Graphics::Color selectedGradientEnd(){
	static Graphics::Color color = Graphics::makeColor(27, 237, 239);
	return color;
	}

	using namespace std;

	namespace Gui{

	Effects::Gradient standardGradient(int max){
	Effects::Gradient standard(max, selectedGradientStart(), selectedGradientEnd());
	return standard;
	}

	Effects::Gradient modifiedGradient(Graphics::Color low, Graphics::Color high, int max){
	Effects::Gradient modified(max, low, high);
	return modified;
	}

	ListValues::ListValues():
	interpolate(true),
	lowColor(selectedGradientStart()),
	highColor(selectedGradientEnd()),
	maxGradient(GradientMax),
	selectedColor(selectedGradientStart()),
	selectedAlpha(255),
	otherColor(Graphics::makeColor(255, 255, 255)),
	otherAlpha(255),
	distanceFadeMultiplier(35),
	fade(true){
	}

	ListValues::ListValues(const ListValues & copy):
	interpolate(copy.interpolate),
	lowColor(copy.lowColor),
	highColor(copy.highColor),
	maxGradient(copy.maxGradient),
	selectedColor(copy.selectedColor),
	selectedAlpha(copy.selectedAlpha),
	otherColor(copy.otherColor),
	otherAlpha(copy.otherAlpha),
	distanceFadeMultiplier(copy.distanceFadeMultiplier),
	fade(copy.fade){
	}

	ListValues::~ListValues(){
	}

	const ListValues & ListValues::operator=(const ListValues & copy){
	interpolate = copy.interpolate;
	lowColor = copy.lowColor;
	highColor = copy.highColor;
	maxGradient = copy.maxGradient;
	selectedColor = copy.selectedColor;
	selectedAlpha = copy.selectedAlpha;
	otherColor = copy.otherColor;
	otherAlpha = copy.otherAlpha;
	distanceFadeMultiplier = copy.distanceFadeMultiplier;
	fade = copy.fade;

	return *this;
	}

	static int clamp(int in, int low = 0, int high = 255){
	if (in < low){
	return low;
	}
	if (in > high){
	return high;
	}
	return in;
	}

	void ListValues::getValues(const Token * token){
	TokenView view = token->view();
	while (view.hasMore()){
	const Token * token;
	view >> token;
	try{
	int red = 0, green = 0, blue = 0, alpha = 0, gradient=1;
	if (token->match("interpolate-selected", interpolate)){
	} else if (token->match("color-low", red, green, blue)){
	lowColor = Graphics::makeColor(clamp(red), clamp(green), clamp(blue));
	} else if (token->match("color-high", red, green, blue)){
	highColor = Graphics::makeColor(clamp(red), clamp(green), clamp(blue));
	} else if (token->match("interpolate-distance", gradient)){
	maxGradient = clamp(gradient, 1, 1000);
	} else if (token->match("selected-color", red, green, blue)){
	selectedColor = Graphics::makeColor(clamp(red), clamp(green), clamp(blue));
	} else if (token->match("selected-color-alpha", alpha)){
	selectedAlpha = clamp(alpha);
	} else if (token->match("other-color", red, green, blue)){
	otherColor = Graphics::makeColor(clamp(red), clamp(green), clamp(blue));
	} else if (token->match("other-color-alpha", alpha)){
	otherAlpha = clamp(alpha);
	} else if (token->match("distance-fade-multiplier", distanceFadeMultiplier)){
	} else if (token->match("distance-fade", fade)){
	}
	} catch (const TokenException & ex){
	// Output something
	}
	}
	}

	ContextItem::ContextItem(const std::string & name, const ContextBox & parent):
	text(name),
	parent(parent){
	}

	ContextItem::~ContextItem(){
	}

	void ContextItem::draw(int x, int y, const Graphics::Bitmap & where, const Font & font, int distance) const {
	if (distance == 0){
	if (parent.getListValues().getInterpolate()){
	Graphics::Bitmap::transBlender(0, 0, 0, parent.getFadeAlpha());
	font.printf(x, y, parent.getSelectedColor(), where.translucent(), getText(), 0);
	} else {
	Graphics::Bitmap::transBlender(0, 0, 0, parent.getListValues().getSelectedAlpha());
	font.printf(x, y, parent.getListValues().getSelectedColor(), where.translucent(), getText(), 0);
	}
	} else {
	if (parent.getListValues().getDistanceFade()){
	int alpha = parent.getListValues().getOtherAlpha() - fabs((double) distance) * parent.getListValues().getDistanceFadeMultiplier();
	alpha = clamp(alpha);
	Graphics::Bitmap::transBlender(0, 0, 0, alpha);
	font.printf(x, y, parent.getListValues().getOtherColor(), where.translucent(), getText(), 0);
	} else {
	Graphics::Bitmap::transBlender(0, 0, 0, parent.getListValues().getOtherAlpha());
	font.printf(x, y, parent.getListValues().getOtherColor(), where.translucent(), getText(), 0);
	}
	}
	}

	void ContextItem::setText(const LanguageString & t){
	text = t;
	}

	int ContextItem::size(const Font & font) const {
	return font.textLength(getText().c_str());
	}

	ContextBox::ContextBox():
	fadeState(NotActive),
	list(new ScrollList()),
	fadeSpeed(12),
	fadeAlpha(0),
	cursorCenter(0),
	cursorLocation(0),
	scrollWait(4),
	selectedGradient(standardGradient(GradientMax)),
	renderOnlyText(false){
	}

	ContextBox::ContextBox( const ContextBox & copy ):
	fadeState(NotActive),
	list(new ScrollList()),
	selectedGradient(standardGradient(GradientMax)),
	renderOnlyText(false){
	this->list = copy.list;
	this->fadeSpeed = copy.fadeSpeed;
	this->fadeAlpha = copy.fadeAlpha;
	this->cursorCenter = copy.cursorCenter;
	this->cursorLocation = copy.cursorLocation;
	this->scrollWait = copy.scrollWait;
	this->renderOnlyText = copy.renderOnlyText;
	}
	ContextBox::~ContextBox(){
	}
	ContextBox & ContextBox::operator=( const ContextBox & copy){
	this->fadeState = NotActive;
	this->list = copy.list;
	this->fadeSpeed = copy.fadeSpeed;
	this->fadeAlpha = copy.fadeAlpha;
	this->cursorCenter = copy.cursorCenter;
	this->cursorLocation = copy.cursorLocation;
	this->scrollWait = copy.scrollWait;
	this->renderOnlyText = copy.renderOnlyText;
	return *this;
	}

	void ContextBox::act(const Font & font){
	// update board
	board.act(font);

	// Calculate text info
	list->act();

	// do fade
	doFade();

	// Update gradient
	selectedGradient.update();
	}

	void ContextBox::render(const Graphics::Bitmap & work){
	}

	void ContextBox::render(const Graphics::Bitmap & work, const Font & font){
	if (!renderOnlyText){
	board.render(work);
	}
	drawText(work, font);
	}

	bool ContextBox::next(const Font & font){
	if (fadeState == FadeOut){
	return false;
	}

	list->next();

	return true;
	}

	bool ContextBox::previous(const Font & font){
	if (fadeState == FadeOut){
	return false;
	}

	list->previous();

	return true;
	}

	Graphics::Color ContextBox::getSelectedColor() const {
	return values.getInterpolate() ? selectedGradient.current() : values.getSelectedColor();
	}

	void ContextBox::setListValues(const Gui::ListValues & values){
	this->values = values;
	selectedGradient = modifiedGradient(values.getLowColor(), values.getHighColor(), values.getMaxGradient());
	}

	void ContextBox::adjustLeft(){
	}

	void ContextBox::adjustRight(){
	}

	void ContextBox::open(){
	// Set the fade stuff
	fadeState = FadeIn;
	//board.position = position;
	board.location = location;
	board.transforms = transforms;
	board.colors = colors;
	board.open();
	fadeAlpha = 0;
	cursorLocation = 0;
	}

	void ContextBox::close(){
	fadeState = FadeOut;
	board.close();
	fadeAlpha = 255;
	cursorLocation = 480;
	}


	void ContextBox::doFade(){
	switch (fadeState){
	case FadeIn: {
	if (fadeAlpha < 255){
	fadeAlpha += (fadeSpeed+2);
	}

	if (fadeAlpha >= 255){
	fadeAlpha = 255;
	if (board.isActive()){
	fadeState = Active;
	}
	}
	break;
	}
	case FadeOut: {
	if (fadeAlpha > 0){
	fadeAlpha -= (fadeSpeed+2);
	}

	if (fadeAlpha <= 0){
	fadeAlpha = 0;
	if (!board.isActive()){
	fadeState = NotActive;
	}
	}
	break;
	}
	case Active:
	case NotActive:
	default:
	break;
	}
	}

	void ContextBox::setList(const std::vector<Util::ReferenceCount<ContextItem> > & list){
	this->list->clearItems();
	for (vector<Util::ReferenceCount<ContextItem> >::const_iterator it = list.begin(); it != list.end(); it++){
	const Util::ReferenceCount<ContextItem> & item = *it;
	this->list->addItem(item);
	}
	}

	void ContextBox::addItem(const Util::ReferenceCount<ContextItem> & item){
	this->list->addItem(item);
	}

	void ContextBox::setListType(const ListType & type){
	switch (type){
	case Normal:{
	Util::ReferenceCount<ScrollListInterface> newList(new NormalList());
	newList->addItems(list->getItems());
	list = newList;
	break;
	}
	case Scroll:{
	Util::ReferenceCount<ScrollListInterface> newList(new ScrollList());
	newList->addItems(list->getItems());
	list = newList;
	break;
	}
	default:
	break;
	}
	}

	void ContextBox::setListWrap(bool wrap){
	list->setWrap(wrap);
	}

	void ContextBox::drawText(const Graphics::Bitmap & bmp, const Font & font){
	const int x1 = board.getArea().getX()+(int)(board.getTransforms().getRadius()/2);
	const int y1 = board.getArea().getY()+2;//(board.getArea().radius/2);
	const int x2 = board.getArea().getX2()-(int)(board.getTransforms().getRadius()/2);
	const int y2 = board.getArea().getY2()-2;//(board.getArea().radius/2);

	if (x2 > x1 && y2 > y1){
	Graphics::Bitmap area(bmp, x1, y1, x2 - x1, y2 - y1);
	list->render(area, font);
	}
	}

	}

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