1. // Need G4P library
   import g4p_controls.*;
   int a=1;
   String sentense;
2. public void setup(){
     size(800, 200, JAVA2D);
     createGUI();
     customGUI();
    
   }
3. public void draw(){
     background(230);
4. }
5. // Use this method to add additional statements
   // to customise the GUI controls
   public void customGUI(){
6. }

2. public void button1_click1(GButton source, GEvent event) { //_CODE_:button1:971405:
   if (a==1){
   window1.close();
   a=0;
   }else{a=1;
     window1 = new GWindow(this, "Window title", 0, 0, 1800, 100, false, JAVA2D);
     window1.setActionOnClose(G4P.CLOSE_WINDOW);
     window1.addDrawHandler(this, "win_draw2");
     txf1 = new GTextField(window1.papplet, 0, 0, 1800, 100, G4P.SCROLLBARS_NONE);
     txf1.setOpaque(true);
     txf1.addEventHandler(this, "txf1_change1");
   }
   } //_CODE_:button1:971405:
3. synchronized public void win_draw2(GWinApplet appc, GWinData data) { //_CODE_:window1:550721:
     appc.background(230);
   } //_CODE_:window1:550721:
4. public void txf1_change1(GTextField tc, GEvent event) { //_CODE_:textfield2:640996:
     switch(event) {
5.   case ENTERED:
       sentense=tc.getText();
       System.out.println(sentense);
       sentense="";
       tc.setText("");
       break;
     default:
       break;
     }
   } //_CODE_:textfield2:640996:
7. // Create all the GUI controls.
   // autogenerated do not edit
   public void createGUI(){
     G4P.messagesEnabled(false);
     G4P.setGlobalColorScheme(GCScheme.BLUE_SCHEME);
     G4P.setCursor(ARROW);
     if(frame != null)
       frame.setTitle("Sketch Window");
     button1 = new GButton(this, 200, 145, 80, 30);
     button1.setText("Face text");
     button1.addEventHandler(this, "button1_click1");
     window1 = new GWindow(this, "Window title", 0, 0, 1800, 100, false, JAVA2D);
     window1.setActionOnClose(G4P.CLOSE_WINDOW);
     window1.addDrawHandler(this, "win_draw2");
     txf1 = new GTextField(window1.papplet, 0, 0, 1800, 100, G4P.SCROLLBARS_NONE);
     txf1.setOpaque(true);
     txf1.addEventHandler(this, "txf1_change1");
   }
8. // Variable declarations
   // autogenerated do not edit
   GButton button1;
   GWindow window1;
   GTextField txf1;