文本编辑器源文件(java语言)

文本编辑器源文件(java语言)(20)     {
        g.setColor(Color.white);
        g.drawLine(oldx,oldy,oldx,oldy-h+2);        
        g.setColor(Color.black);
        g.drawLine(cusorx,cusory,cusorx,cusory-h+2);
        oldx= cusorx;
        oldy= cusory;
    }
}

class select
{
    public char[] sels;
    public int count;// 选中字符的个数
    public int index;//当前光标对应的偏移
    public int linex,liney;

    public select()
    {
        linex= liney= count= 0;
        sels= new char[1000];
    }
}

//横坐标起始为3
class P_area extends Canvas
{
    public screen sc;
    public cusor cus;
    public select sel;
    private MainF fr;
    public String filename,filedir;
    private Font Ffont= null;
    private Color Bcolor= Color.black;
    private FontMetrics fm;
    private Dimension sz;
   
    private int fh,fw;
    private int paint_x,paint_y;//用于写字符   
    public int totle= 0;//字符总数
    private int lcount=0;

    public boolean border= true;//光标是否在边界
//    private boolean scroll= false;
    public boolean select= false;
    public boolean selold= false;//选中后重画屏幕
    public boolean bfind= false;

    private String findtext= null;