mfw_edt.c

是一个手机功能的模拟程序

        bs=edit->attr->e_size;
    dy = 0;
    switch( c )
    {
    
    case ecEscape:                  //* quit editor              
        return MfwResDone;
    case ecLeft:                    //* cursor left     
        if( edit->cp == 0 )
            edit->cp = strlen(tbString);  // zgz, change it
        else
        {
            edit->cp = edit->cp-1;
        }

        break;
    case ecRight:                   //* cursor right 
        edit->cp = edit->cp+1;
        if( edit->cp > (strlen(tbString)) )  // zgz, change it
            edit->cp = 0;
        break;
    case ecUp:                      //* cursor up      
        dy =  -1;
        break;
    case ecDown:                    //* cursor down           
        dy = 1;
        break;
    case ecTop:                     //* cursor to start of text  
        edit->cp = 0;
        edit->curOffs = 0;
        break;
    case ecBottom:                  //* cursor to end of text   
        edit->cp = strlen(tbString);
        edit->curOffs = 0;
        //  		dy = 999;
        break;
    case ecBack:                    //* backspace                *
        if( (edit->cp != 0) && (strlen(tbString)+1 > edit->cp) )
        {
            moveLeft(&tbString[edit->cp-1],1);
            //				edit->cp = edit->cp-1;
        }
        return(edtCharf(e,ecLeft, 0));
        break;
    case ecDel:                     //* delete                   *
        if( strlen(tbString) > edit->cp )
        {
            moveLeft(&tbString[edit->cp],1);
        }
        break;
    case ecEnter:                   //* cr/lf                    
        c = UNICODE_LINEFEED;
        edtInsert(c,tbString,bs);
        return(edtCharf(e,ecRight, 0));
        break;
    default:                        //* normal char              
        if( edtInsert(c,tbString,bs) ) //zgz,2002.5.15 ,if the buffer is full, don't make the cursor right
            return(edtCharf(e,ecRight, 0));
        else if( edit->cp != (edit->attr->size - 3) )
            return(edtCharf(e,ecRight, 0));
        else
            return MfwResOk;
        break;
    }
    display = disp;                        //*if really show it by var disp          
    updateWindow( edit, dy);
    edtUpdate(edit,1);

    return MfwResOk;
}
/*
+--------------------------------------------------------------------+
| PROJECT : MMI-Framework (8417)        MODULE  : MFW_EDT            |
| STATE   : code                        ROUTINE : edtCharUnicode     |
+--------------------------------------------------------------------+

  PURPOSE : 

  GW 06/09/01 - Created
*/
MfwRes edtCharUnicode (MfwHnd e, int c)
{
    MfwEdt *edit; 
    U16 bs; 
    int dy;
    //    char *tb = edit->attr->text;
    U16 *tbUnicode; 
    U16 pre_offs;
    U8 * p;  //zgz, 2002.7.3 point to the string using 8bits len
    UINT32 oldColor;
    fontHeight = dspl_GetFontHeight();  /* 2003/12/29 sunsj add */

    TRACE_EVENT("edtCharUnicode()");

    if( !e )
        return MfwResIllHnd;

    if( ((MfwHdr *)e)->type != MfwTypEdt )
        return MfwResIllHnd;            //* not an editor            

    edit = ((MfwHdr *) e)->data;
    bs = edit->attr->size;
    tbUnicode = (U16*) &(edit->attr->text[1]);  // zgz,tbUnicode = (U16*) &edit->attr->text[2];
    p =  (U8*) &(edit->attr->text[1]);  
    curMode = edit->attr->mode;

    dy = 0;
    switch( c )
    {
    case ecEscape:                  //* quit editor              
        return MfwResDone;
    case ecLeft:                    //* cursor left              
        preCP=edit->cp;
        preZi[0]=0x80;
        preZi[1]=edit->attr->text[1+2*preCP];
        preZi[2]=edit->attr->text[2+2*preCP];
        preZi[3]=0x00;
        preZi[4]=0x00;
        preZi[5]=0x00;
        if( edit->cp == 0 )
            edit->cp = (wstrlen(edit->attr->text)-1)/2;  // zgz, change it
        else
        {
            edit->cp = edit->cp-1;
        }
        pre_offs=edit->curOffs;
        updateWindow( edit, dy);
        if( edit->curOffs==pre_offs )
            redrawcursor(preCX,preCY, preCSize,curCX,curCY,curCSize,1,edit->attr->fgColor);
        else
        {
            display=1;
            edtUpdateUnicode(edit,1);
        }
        break;
    case ecRight:                   //* cursor right             
        //zgz, 2002.7.3 if (tbUnicode[edit->cp]!=UNICODE_EOLN)
        preCP=edit->cp;
        preZi[0]=0x80;
        preZi[1]=edit->attr->text[1+2*preCP];
        preZi[2]=edit->attr->text[2+2*preCP];
        preZi[3]=0x00;
        preZi[4]=0x00;
        preZi[5]=0x00;
        if( (p[2*edit->cp] != 0) || (p[2*edit->cp + 1] != 0) )
        {
            edit->cp = edit->cp +1;
        }
        else
        {
            edit->cp = 0;
        }
        pre_offs=edit->curOffs;
        updateWindow( edit, dy);
        if( edit->curOffs==pre_offs )
            redrawcursor(preCX,preCY, preCSize,curCX,curCY,curCSize,1,edit->attr->fgColor);
        else
        {
            display=1;
            edtUpdateUnicode(edit,1);
        }
        break;
    case ecUp:                      //* cursor up                
        dy = -1;
        pre_offs=edit->curOffs;
        preCP=edit->cp;
        preZi[0]=0x80;
        preZi[1]=edit->attr->text[1+2*preCP];
        preZi[2]=edit->attr->text[2+2*preCP];
        preZi[3]=0x00;
        preZi[4]=0x00;
        preZi[5]=0x00;
        updateWindow( edit, dy);
        if( edit->curOffs==pre_offs )
            redrawcursor(preCX,preCY, preCSize,curCX,curCY,curCSize,1,edit->attr->fgColor);
        else
        {
            display=1;
            edtUpdateUnicode(edit,1);
        }
        break;
    case ecDown:                    //* cursor down              
        dy = 1;
        pre_offs=edit->curOffs;
        preCP=edit->cp;
        preZi[0]=0x80;
        preZi[1]=edit->attr->text[1+2*preCP];
        preZi[2]=edit->attr->text[2+2*preCP];
        preZi[3]=0x00;
        preZi[4]=0x00;
        preZi[5]=0x00;
        updateWindow( edit, dy);
        if( edit->curOffs==pre_offs )
            redrawcursor(preCX,preCY, preCSize,curCX,curCY,curCSize,1,edit->attr->fgColor);
        else
        {
            display=1;
            edtUpdateUnicode(edit,1);
        }
        break;
    case ecTop:                     //* cursor to start of text  
        edit->cp = 0;
        pre_offs=edit->curOffs;
        edit->curOffs = 0;
        dy = 0;
        preCP=edit->cp;
        preZi[0]=0x80;
        preZi[1]=edit->attr->text[1+2*preCP];
        preZi[2]=edit->attr->text[2+2*preCP];
        preZi[3]=0x00;
        preZi[4]=0x00;
        preZi[5]=0x00;
        updateWindow( edit, dy);
        if( edit->curOffs==pre_offs )
            redrawcursor(preCX,preCY, preCSize,curCX,curCY,curCSize,1,edit->attr->fgColor);
        else
        {
            display=1;
            edtUpdateUnicode(edit,1);
        }
        break;
    case ecBottom:                  //* cursor to end of text    
        //zgz, 2002.7.3 while (tbUnicode[edit->cp]!=UNICODE_EOLN)
        while( (p[2*edit->cp] != 0) || (p[2*edit->cp + 1] != 0) )
        {
            edit->cp = edit->cp +1;
        }
        pre_offs=edit->curOffs;
        edit->curOffs = 0;
        dy = 0;
        preCP=edit->cp;
        preZi[0]=0x80;
        preZi[1]=edit->attr->text[1+2*preCP];
        preZi[2]=edit->attr->text[2+2*preCP];
        preZi[3]=0x00;
        preZi[4]=0x00;
        preZi[5]=0x00;
        updateWindow( edit, dy);
        if( edit->curOffs==pre_offs )
            redrawcursor(preCX,preCY, preCSize,curCX,curCY,curCSize,1,edit->attr->fgColor);
        else
        {
            display=1;
            edtUpdateUnicode(edit,1);
        }
        break;
    case ecBack:                    //* backspace                
        if( edit->cp != 0 )
        {
            moveLeftUnicode(tbUnicode+edit->cp-1,1);
            if( strlenUnicode(tbUnicode) == 1 )    //zgz, 2002.7.31 add the if case for del the first byte 0x80 in buffer
                edit->attr->text[0] = 0;
        }
        pre_offs=edit->curOffs;
        if( edit->cp == 0 )
        {
            edit->cp = (wstrlen(edit->attr->text)-1)/2;  // zgz, change it

        }
        else
        {
            edit->cp = edit->cp-1; 
        }
        updateWindow( edit, dy);
        display=1;
        if( edit->attr->text[0] ==0 )
        {
            oldColor=dspl_GetBkgColor();
            if( edit->attr->fgColor<1 )
                edit->attr->fgColor=0xffffff;
            dspl_SetBkgColor(edit->attr->fgColor);
            /* 2003/11/29 sunsj modify for different font height */
            //dspl_Clear(edit->attr->win.px,edit->attr->win.py,edit->attr->win.px+32,edit->attr->win.py+32);
            dspl_Clear(edit->attr->win.px,edit->attr->win.py,edit->attr->win.px+32,edit->attr->win.py+fontHeight+1);

            inputIndicate_update(edit);
            /* 2003/12/29 sunsj modify for different font height */
            dspl_DrawLine(edit->attr->win.px,edit->attr->win.py+fontHeight,edit->attr->win.px+8,edit->attr->win.py+fontHeight);
            dspl_SetBkgColor(oldColor);
        }
        else
        {
            if( pre_offs==edit->curOffs )
                edtUpdateUnicode(edit,0);
            else
                edtUpdateUnicode(edit,1);
        }
        break;
    case ecDel:                     //* delete                   
        moveLeftUnicode(tbUnicode+edit->cp,1);
        //return edtCharUnicode(e,ecLeft);
        break;
    case ecEnter:                   //* cr/l