自动分行显示

 

static S32 ShowLimitLineText(S32 x1, S32 y1, S32 width, color c,
    UI_string_type strBuffer, BOOL is_underline)
{  
    UI_string_type chrPtr = strBuffer;
    U32 chrW = 0;
    U32 chrH = 0;
    S32 lineTextW, lineTextH;
    U8 lineNum = 1;
    U32 x = x1;
    U8 lineTextC = 0;
    U8 i=0;
    UI_font_type f = NPR_Pub_Getfont();
    U16 printedTextC = 0, totalC = mmi_ucs2strlen((CHAR *)strBuffer);
       
    if(is_underline)
        f->underline = 1;

    gui_set_font(f);
    chrW = NPR_SM_CHINESE_CHARACTER_W;
    chrH = NPR_PUB_LINE_INTERVAL + 2;
    gui_set_text_color(c);
    lineTextC = width / chrW;
    while(app_ucs2_strlen((kal_int8*) chrPtr) >= lineTextC && printedTextC < totalC)
    {
        if(printedTextC + lineTextC > totalC) lineTextC = totalC - printedTextC;
        lineTextW = gui_get_string_width_n(chrPtr, lineTextC);
        for(i = 0; lineTextW < width, printedTextC + lineTextC < totalC; i++, lineTextC++)
        {
            lineTextW = gui_get_string_width_n(chrPtr, lineTextC);
            if(lineTextW > width)
            {
                lineTextC--;
                break;
            }
        }
        lineTextH = gui_get_string_height(chrPtr);
       
        gui_move_text_cursor(x, y1 + (lineNum - 1) * chrH + (chrH - lineTextH >> 1));
        gui_print_text_n(chrPtr, lineTextC);
        printedTextC += lineTextC;
        lineNum++;
        chrPtr += lineTextC;
        lineTextC = width / chrW;
    }
    if(app_ucs2_strlen((kal_int8*) chrPtr) < lineTextC && printedTextC < totalC)
    {
        lineTextH = gui_get_string_height(chrPtr);
        gui_move_text_cursor(x, y1 + lineNum * chrH - lineTextH);
        gui_print_text(chrPtr);
    }

    f->underline = 0;
    return (lineNum - 1);
}