maincanvas.java

goText is a program for mobile phones that allows you to send text messages over GPRS/EDGE/UMTS. It

/**
 * Class : short description
 * @author Natale Vinto [e-mail]
 * @author Michele 'Miccar' Cardinale [e-mail]
 * @version 1.0
 */

 /*
  *  goText : text messaging over GPRS
  *  Copyright (C) 2006  Natale Vinto <[e-mail]>
  *  OpenJLab Group www.openjlab.org
  *  Copyright (C) 2006  Michele Cardinale 'Miccar' <[e-mail]>
  *  www.miccar.org
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *      GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */

import javax.microedition.lcdui.*;
import java.io.*;


public class MainCanvas extends Canvas {
    goText gotext;
    private int cursorex=0;
    private int cursorey=0;
    private int LUN=getWidth();
    private int ALT=getHeight();
    private int xy=ALT/10;
    private int cx;
    private Image[] vim;
    private int xx,xin,xoff;
    private int font=0;
    private int lfont=0;
    private String screen="";
    private int a,b,c,d,e,f,g_,h,i,l,m,o;
    Lang la;
    
    public MainCanvas(goText gotext) {
        super();
        this.gotext=gotext;
        cx=0;
        xx=ALT/5;
        cursorey=xx;
        xin=xx*4+22;
        xoff=(ALT-xin)/2;
        cx=0;
        a=192;
        b=98;
        c=253;
        //c=255;
        if(ALT>110) {
            font=Font.SIZE_MEDIUM;
            lfont=22;
        } else {
            font=Font.SIZE_SMALL;
            screen="p";
            lfont=16;
        }
        
        
        try {
            vim=new Image[5];
            for(int i=0;i<vim.length;i++)
                vim[i]=Image.createImage("/img/"+i+""+screen+".png");
            
            
        } catch(IOException e){System.out.println(e.toString()+" can't find image(s)");}
        la=new Lang(gotext.lang);
        this.show();
        
    }
    
    public void show(){
        gotext.display.setCurrent(this);
    }
    
    public void paint(Graphics g) {
        
        g.setColor(255,255,255);
        g.fillRect(0,0,getWidth(),getHeight());
        g.setColor(63,157,253);
        Font myFont= Font.getFont(Font.FACE_PROPORTIONAL,Font.STYLE_BOLD,font);
        g.setFont(myFont);
        
        g.drawImage(vim[0],LUN/2,xoff,Graphics.HCENTER | Graphics.TOP);
        
        g.fillRect(2,(xoff+xx*(cx+1))-1,getWidth()-4,lfont+2);
        
        g.drawImage(vim[1],LUN-lfont,xoff+xx,Graphics.RIGHT | Graphics.TOP);
        g.setColor(63+a,157+b,253-c);
        g.drawString(la.MC_TEXT,5,xoff+xx,Graphics.LEFT | Graphics.TOP);
        
        g.drawImage(vim[2],LUN-lfont,xoff+xx*2,Graphics.RIGHT | Graphics.TOP);
        g.setColor(63+d,157+e,253-f);
        g.drawString(la.MC_SETTINGS,5,xoff+xx*2,Graphics.LEFT | Graphics.TOP);
        
        g.drawImage(vim[3],LUN-lfont,xoff+xx*3,Graphics.RIGHT | Graphics.TOP);
        g.setColor(63+g_,157+h,253-i);
        g.drawString(la.MC_INFO,5,xoff+xx*3,Graphics.LEFT | Graphics.TOP);
        g.drawImage(vim[4],LUN-lfont,xoff+xx*4,Graphics.RIGHT | Graphics.TOP);
        g.setColor(63+l,157+m,253-o);
        g.drawString(la.MC_EXIT,5,xoff+xx*4,Graphics.LEFT | Graphics.TOP);
        
        
    }
    
    private void change(int n) {
        
        switch(n) {
            case 0:a=192;b=98;c=253;d=0;e=0;f=0;g_=0;h=0;i=0;l=0;m=0;o=0;break;
            case 1:a=0;b=0;c=0;d=192;e=98;f=253;g_=0;h=0;i=0;l=0;m=0;o=0;break;
            case 2:a=0;b=0;c=0;d=0;e=0;f=0;g_=192;h=98;i=253;l=0;m=0;o=0;break;
            case 3:a=0;b=0;c=0;d=0;e=0;f=0;g_=0;h=0;i=0;l=192;m=98;o=253;break;
            
            default:a=0;b=0;c=0;d=0;e=0;f=0;g_=0;h=0;i=0;l=0;m=0;o=0;
        }
    }
    
     protected  void keyPressed(int keyCode) {
        int k = getGameAction(keyCode);
        switch (k){
            
            
            
            case Canvas.UP:
                cursorey-=xx;
                if (cursorey<xx){
                    cursorey=xx;
                }
                cx--;
                if(cx<0){
                    cx=0;
                }
                change(cx);
                repaint();
                break;
            case Canvas.DOWN:
                cursorey+=xx;
                
                if (cursorey>xx*4){
                    cursorey=xx*4;
                }
                cx++;
                if(cx>3){
                    cx=3;
                }
                change(cx);
                repaint();

                break;
                
          
        }
        
    }
    
    protected  void keyReleased(int keyCode) {
        int k = getGameAction(keyCode);
        switch (k){
                
            case Canvas.FIRE:
                
                if(cx==0){
                    new ListSelectService(gotext);
                } else if(cx==1) {
                    new ListSettings(gotext);
                } else if(cx==2){
                    new FormInfo(gotext);
                } else {
                    gotext.destroyApp(true);
                }
                
                break;
        }
        
    }
    
}