annotate UI code/UIElement.h @ 52:89944ab3e129 tip

fix oF linker errors ios8

//
//  UIElement.h
//  emptyExample
//
//  Created by Robert Tubb on 22/05/2013.
//
// literally just an area of the screen that is a ui element

#ifndef __emptyExample__UIElement__
#define __emptyExample__UIElement__
#include "ofMain.h"
#include "globalVariables.h"
#include <iostream>
#include <string>
#include "boost/function.hpp"
#include "UIProperties.h"

typedef boost::function<void(int, int)> UICallbackFunction;

class MessageOrganiser;

class UIElement{
public:

    
    UICallbackFunction callback;
    
    UIElement();
    virtual ~UIElement(){};
    
    UIElement(float ax,
              float ay,
              float awidth,
              float aheight);
    
    // recommended
    UIElement(float ax,
              float ay,
              float awidth,
              float aheight,
              const UIProps& props);
              
    UIElement(float ax,
              float ay,
              float awidth,
              float aheight,
              ofColor bg);

    virtual void setLabel(string label){
        labelName = label;
    }
    string getLabel(){
        return labelName;
    }
    virtual void draw();
    void hide(){
        hidden = true;
        
    };
    void show(){
        hidden = false;
    
    };
    bool isShowing(){
        return !hidden;
    }
    bool touch(int x, int y, touchType ttype, int touchID);
    
    virtual void addHandler(UICallbackFunction handlerFunction, int paramID) // virtual?
    {
        //cout << "handler added to UIElement " << endl;
        callback = handlerFunction;
        myParamID = paramID;
    };
    
    virtual void setValue(float value){
        cout << "not valid to set value on this?" << endl;
    };
    virtual void setHintValue(float value){
        cout << "not valid to set value on this?" << endl;
    };
    virtual void showHint(bool value){
        cout << "not valid to set value on this?" << endl;
    };
    virtual void setHintColor(ofColor c){
        cout << "not valid to set value on this?" << endl;
    };
    controllerType getType() const {
        return myType;
    }
    float getWidth() const {return width;};
    virtual void setHighlight(bool hion){
        // ?
        on = hion;
    };
    void setActive(bool isActive){
        inactive = !isActive; // thats logic right?
    }
    void setX(float ax){
        x = ax;
    };
    void setY(float ay){
        y = ay;
    };
    void setColor(ofColor c){
        background = c;
    }
    int getZLayer(){
        return zLayer;
        
    }
    void setPosition(float ax, float ay){
        x = ax;
        y = ay;
    }
    void setXPosition(float ax){
        x = ax;
    }
    void setZLayer(int z){
        zLayer = z;
    }
    void bringToFrontOf(UIElement* e){
        
        setZLayer(e->getZLayer() + 1);
    }
    
    virtual void update(){
        
    }
    void setOn(bool aon){
        on = aon;
    }
protected:

    void init();
    
    bool isExistingTouchID(int touchID){
        // is id in list
        std::list<int>::iterator findIter = std::find(myTouchIDs.begin(), myTouchIDs.end(), touchID);
        if (findIter == myTouchIDs.end()){
            return false;
        }else{
            return true;
        }
    };

    void addTouchID(int touchID){
        //list<int>::iterator findIter = std::find(myTouchIDs.begin(), myTouchIDs.end(), touchID);
        //if(findIter == myTouchIDs.end()){ // checks for duplicates
            myTouchIDs.insert(myTouchIDs.begin(), touchID);
        //}
    };
    void removeTouchID(int touchID){
        list<int>::iterator findIter = std::find(myTouchIDs.begin(), myTouchIDs.end(), touchID);
        if(findIter != myTouchIDs.end()){
            myTouchIDs.erase(findIter);
        }
    };
    static float sumWidth(float total, UIElement* element){
        return total + element->getWidth();
    }
    bool isMyTouch(int x, int y, touchType ttype, int touchID);
    bool touchIsInMyArea(int tx, int ty);
    virtual bool handleMyTouch(int x, int y, touchType ttype, int touchID) = 0; // subclass handles it

    bool isCoordInMyRegion(double x, double y); // not used
    bool atLeastOneTouchAlready();
    int zLayer;
    
// protected members:
    
    float x;
    float y;
    float width;
    float height;
    bool on;
    int myParamID;
    list<int> myTouchIDs;
    
    ofColor background;
    
    string labelName;
    ofTrueTypeFont verdana16;
    ofTrueTypeFont bigFont;
    ofTrueTypeFont smallFont;
    controllerType myType;
    
    bool hidden; // don't draw dont touch
    bool inactive;  // dont touch, draw dimmed

    bool onlyOneTouchAllowed;
};
#endif /* defined(__emptyExample__UIElement__) */