Argos Interface Builder

/***********************************************************************

 Copyright (c) 2009 Dimitri Diakopoulos, http://www.dimitridiakopoulos.com/

 === Google Summer of Code 2009 - NUI Group === 

 Portions Copyright (c) 2008, 2009 Memo Atkens, http://www.memo.tv/

 -> Based on ofxSimpleGuiToo

 Portions Copyright (c) 2008 Todd Vanderlin, http://toddvanderlin.com/

 -> Inspired by ofxSimpleGui API

	Redistribution and use in source and binary forms, with or without modification, 

	are permitted provided that the following conditions are met:

	1. Redistributions of source code must retain the above copyright notice, 

	this list of conditions and the following disclaimer.

	2. Redistributions in binary form must reproduce the above copyright notice, 

	this list of conditions and the following disclaimer in the documentation and/or 

	other materials provided with the distribution.

	3. The name of the author may not be used to endorse or promote products derived 

	from this software without specific prior written permission.

	THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 

	ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 

	IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 

	ARE DISCLAIMED. IN NOEVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 

	INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 

	(INCLUDING, BUT NOT LIMITED TO,PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 

	LOSS OF USE, DATA, ORPROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 

	AND ON ANY THEORY OFLIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

	OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 

	OF THE USE OF THIS SOFTWARE,EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

	ToDo

	- Add visual indicators of last position on the side(almost like a slider), x and y

*************************************************************************/ 

#pragma once

#include "ofxArgosUI_Control.h"

class ofxArgosUI_Slider2d : public ofxArgosUI_Control {

public:

	ofPoint		*value;

	ofPoint		point, min, max;

	//--------------------------------------------------------------------- construct

	ofxArgosUI_Slider2d(string name, ofPoint* value, float xmin, float xmax, float ymin, float ymax) : ofxArgosUI_Control(name) {

		min.set(xmin, ymin);

		max.set(xmax, ymax);

		this->value = value;

		controlType = "Slider2D";

		setup();

	}

	void setup() {

		setSize(config->slider2DSize.x, config->slider2DSize.y + config->slider2DTextHeight);

		point.x = ofMap((*value).x, min.x, max.x, x, x+width); 

		point.y = ofMap((*value).y, min.y, max.y, y, y+height-config->slider2DTextHeight); 

	}

	void loadFromXML(ofxXmlSettings &XML) {

		value->set(XML.getValue("controls:" + controlType + "_" + key + ":valueX", 0.0f), XML.getValue("controls:" + controlType + "_" + key + ":valueY", 0.0f));

	}

	void saveToXML(ofxXmlSettings &XML) {

		XML.addTag(controlType + "_" + key);

		XML.pushTag(controlType + "_" + key);

		XML.addValue("name", name);

		XML.addValue("valueX", value->x);

		XML.addValue("valueY", value->y);

		XML.popTag();

	}

	//--------------------------------------------------------------------- set xy

	void set(float x, float y) {

		(*value).x = x;

		(*value).y = y;

	}

	void setMin(float x, float y) {

		min.x = x;

		min.y = y;

	}	

	void setMax(float x, float y) {

		max.x = x;

		max.y = y;

	}	

	//--------------------------------------------------------------------- mouse pressed

	void onPress(int x, int y, int button) {

		lock = true;

		point.set(x, y);

	}

	//--------------------------------------------------------------------- mouse dragged

	void onDragOver(int x, int y, int button) {

		if(lock) {

			point.set(x, y);

		}

	}

	void onDragOutside(int x, int y, int button) {

		if(lock) {

			point.set(x, y);

		}

	}	

	//--------------------------------------------------------------------- mouse released

	void onRelease() {

		lock = false;

	}

	//--------------------------------------------------------------------- update

	void update() {

		if(point.x > x + width)				point.x = x + width; 

		else if(point.x < x)				point.x = x; 

		if(point.y > y+height - config->slider2DTextHeight)			point.y = y + height - config->slider2DTextHeight;

		else if(point.y < y)				point.y = y;

		if(lock){

			(*value).x = ofMap(point.x, x, x+width, min.x, max.x); 

			(*value).y = ofMap(point.y, y, y+height-config->slider2DTextHeight, min.y, max.y); 

		}

	}

	//--------------------------------------------------------------------- draw

	void draw(float x, float y) {

		setPos(x, y);

		ofPoint	pointv;

		pointv.x = ofMap((*value).x, min.x, max.x, x, x+width);

		pointv.y = ofMap((*value).y, min.y, max.y, y, y+height-config->slider2DTextHeight);

		ofEnableAlphaBlending();

		glPushMatrix();

		glTranslatef(x, y, 0);		

		ofFill();

		setFullColor();

		ofRect(0, 0, width, height - config->slider2DTextHeight);

		ofFill();

		setTextBGColor();

		ofRect(0, height-config->slider2DTextHeight, width, config->slider2DTextHeight);

		setTextColor();

		ofDrawBitmapString(name+"\nx:"+ofToString(value->x, 2)+"\ny:"+ofToString(value->y, 2), 3, height+15-config->slider2DTextHeight);

		setTextColor();

		ofCircle(pointv.x-x, pointv.y-y, 2);

		setTextColor();

		ofLine(pointv.x-x, 0, pointv.x-x, height-config->slider2DTextHeight);

		ofLine(0, pointv.y-y,width, pointv.y-y);

		glPopMatrix();

		ofDisableAlphaBlending();

	}

};