rt300@0: //
rt300@0: //  UIElement.cpp
rt300@0: //  emptyExample
rt300@0: //
rt300@0: //  Created by Robert Tubb on 22/05/2013.
rt300@0: //
rt300@0: //
rt300@0: 
rt300@0: #include "UIElement.h"
rt300@12: 
rt300@0: //----------------------------------------------------------------------
rt300@0: UIElement::UIElement(){
rt300@0:     //
rt300@0:     //cout << " UIElement default constructur BAD !!!\n";
rt300@0:     init();
rt300@0: }
rt300@0: //----------------------------------------------------------------------
rt300@12: 
rt300@12: 
rt300@12: //----------------------------------------------------------------------
rt300@0: UIElement::UIElement(float ax,
rt300@0:                      float ay,
rt300@0:                      float awidth,
rt300@0:                      float aheight,
rt300@0:                      const UIProps& props) :
rt300@0: x(ax),
rt300@0: y(ay),
rt300@0: width(awidth),
rt300@0: height(aheight),
rt300@0: background(props.generalBackground)
rt300@0: {
rt300@0:     //cout << " UIElement constructur with defs \n";
rt300@0:     init();
rt300@0:     verdana16 = props.verdana16;
rt300@0:     bigFont = props.bigFont;
rt300@0:     
rt300@0: }
rt300@0: //----------------------------------------------------------------------
rt300@0: UIElement::UIElement(float ax,
rt300@0:                      float ay,
rt300@0:                      float awidth,
rt300@0:                      float aheight,
rt300@0:                      ofColor bg) :
rt300@0: x(ax),
rt300@0: y(ay),
rt300@0: width(awidth),
rt300@0: height(aheight),
rt300@0: background(bg)
rt300@0: {
rt300@0:     init();
rt300@0: 
rt300@0: }
rt300@0: //----------------------------------------------------------------------
rt300@0: void UIElement::init(){
rt300@0: 
rt300@0:     
rt300@0:     hidden = false;
rt300@0:     inactive = false;
rt300@26:     zLayer = 0;
rt300@41:     onlyOneTouchAllowed = false;
rt300@0: }
rt300@0: //----------------------------------------------------------------------
rt300@0: void UIElement::draw(){
rt300@0:     if(hidden) return;
rt300@0:     //cout<<"element draw\n";
rt300@0:     ofSetColor(background);
rt300@0:     ofRect(x,y,width,height);
rt300@0:     
rt300@0:     
rt300@0: };
rt300@0: //----------------------------------------------------------------------
rt300@0: bool UIElement::touch(int tx, int ty, touchType ttype, int touchID){
rt300@0:     if(isMyTouch(tx,ty,ttype,touchID)){
rt300@0:         handleMyTouch(tx, ty, ttype,touchID);
rt300@0:         return true;
rt300@0:     }else{
rt300@0:         return false;
rt300@0:     }
rt300@0: }
rt300@41: bool UIElement::atLeastOneTouchAlready(){
rt300@41:     if (myTouchIDs.size() >= 1){
rt300@41:         return true;
rt300@41:     }else{
rt300@41:         return false;
rt300@41:     }
rt300@41: }
rt300@0: //----------------------------------------------------------------------
rt300@0: // called first from all subclasses
rt300@0: bool UIElement::isMyTouch(int tx, int ty, touchType ttype, int touchID){
rt300@43:     if(hidden || inactive){
rt300@43:         // what if get made hidden or inactive when you're touching it ?
rt300@43:         myTouchIDs.clear(); // just release them all
rt300@43:         return false;
rt300@43:     }
rt300@0: 
rt300@0:     if(ttype == TOUCH_DOWN){
rt300@0:         if (touchIsInMyArea(tx, ty)){
rt300@0:             if (!isExistingTouchID(touchID)){
rt300@0:                 //cout << "Touchdown in area, grabbing focus " << labelName << " mytouchID: " << myTouchID << " finger ID: " << touchID << endl;
rt300@41:                 if (onlyOneTouchAllowed && atLeastOneTouchAlready()){
rt300@41:                     cout << "ignoring xtra touch" << endl;
rt300@42:                     return false;
rt300@41:                 }else{
rt300@41:                     addTouchID(touchID);
rt300@42:                     return true;
rt300@41:                 }
rt300@42:                 
rt300@0: 
rt300@0:             }else{
rt300@0:                 //shouldn't happen?
rt300@0:                 return true;
rt300@0:             }
rt300@0: 
rt300@0:         }else{
rt300@0:             //cout << "Touchdown outside area, ignoring " << labelName << " mytouchID: " << myTouchID << " finger ID: " << touchID << endl;
rt300@0:             return false;
rt300@0: 
rt300@0:         }
rt300@0:     }
rt300@0:     if(ttype == TOUCH_UP){
rt300@0:         if (isExistingTouchID(touchID)){
rt300@0:             //cout << "Touch Up for my ID, handling " << labelName << " mytouchID: " << myTouchID << " finger ID: " << touchID << endl;
rt300@0:             //myTouchID = -1;
rt300@0:             removeTouchID(touchID);
rt300@0:             return true;
rt300@0:         }else{
rt300@0:             //cout << "Touch Up NOT my  ID, ignoring " << labelName << " mytouchID: " << myTouchID << " finger ID: " << touchID << endl;
rt300@0:             return false;
rt300@0:         }
rt300@0:     }
rt300@0:     
rt300@0:     if(ttype == TOUCH_MOVED){
rt300@0:         if(isExistingTouchID(touchID)){
rt300@0:             //cout << "Touch moved for my ID, handling " << labelName << " mytouchID: " << myTouchID << " finger ID: " << touchID << endl;
rt300@0:             return true;
rt300@0:         }else{
rt300@0:             //cout << "Touch moved NOT my ID, ignore " << labelName << " mytouchID: " << myTouchID << " finger ID: " << touchID << endl;
rt300@0:             return false;
rt300@0:         }
rt300@0:     }
rt300@0:     
rt300@0:     cout << "UNHANDLED SITUATION!" << labelName << endl;
rt300@0:     return false;
rt300@0: 
rt300@0: }
rt300@0: 
rt300@0: //----------------------------------------------------------------------
rt300@0: bool UIElement::touchIsInMyArea(int tx, int ty){
rt300@0:     
rt300@0:     // work out relative coords
rt300@0:     double relx = tx - x;
rt300@0:     double rely = ty - y;
rt300@0:     return !(relx < 0 || relx > width || rely < 0 || rely > height);
rt300@0: }
rt300@0: //----------------------------------------------------------------------
rt300@0: bool UIElement::isCoordInMyRegion(double ax, double ay){
rt300@0:     if(hidden) return false;
rt300@0:     
rt300@0:     if( (ax > x && ax < x+width) && (ay > y && ay < y+height)){
rt300@0:         return true;
rt300@0:     }else{
rt300@0:         return false;
rt300@0:     }
rt300@0:   
rt300@0: }
rt300@0: //----------------------------------------------------------------------
rt300@0: //----------------------------------------------------------------------
rt300@0: //----------------------------------------------------------------------
rt300@0: //----------------------------------------------------------------------
rt300@0: //----------------------------------------------------------------------