unitconvertor.c

mtk工具箱,计算器的详细设计,可以由此入手了解mtk的

/*****************************************************************************
 * FUNCTION
 *  EntryUConvCompute
 * DESCRIPTION
 *  Entry function of conterting screen
 * PARAMETERS
 *  void
 * RETURNS
 *  void
 *****************************************************************************/
void EntryUConvCompute(void)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    U8 *guiBuffer;
    U8 *inputBuffer;        /* added for inline edit history */
    U16 inputBufferSize;    /* added for inline edit history */
    U16 ScrID = (SCR_ID_UCONV_WEIGHT + g_uconv_cntx->CurrHiliteUnitType);

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    EntryNewScreen(ScrID, ExitUConvCompute, NULL, NULL);
    SetDelScrnIDCallbackHandler(ScrID, (HistoryDelCBPtr) mmi_uconv_del_scr_callback);

    set_leading_zero(FALSE);

    guiBuffer = GetCurrGuiBuffer(ScrID);

    InitializeCategory57Screen();

    UConvFillInlineStruct();
    RegisterHighlightHandler(HighlightUConvInlineItem);

    inputBuffer = GetCurrNInputBuffer(ScrID, &inputBufferSize); /* added for inline edit history */

    if (inputBuffer)    /* added for inline edit history */
    {
        SetCategory57Data(wgui_inline_items, UCONV_INLINE_TOTAL, inputBuffer);  /* sets the data */
    }

    DisableCategory57ScreenDone();

    ShowCategory57Screen(
        STR_UNITCONVERTOR_CAPTION1,
        GetRootTitleIcon(EXTRA_UNITCONVERTOR_MENU),
        STR_GLOBAL_OK,
        IMG_GLOBAL_OK,
        STR_GLOBAL_BACK,
        IMG_GLOBAL_BACK,
        UCONV_INLINE_TOTAL,
        NULL,
        wgui_inline_items,
        g_uconv_cntx->CurrSelectedItem,
        guiBuffer);

    if (g_uconv_cntx->CurrHiliteUnitType == UCONV_WEIGHT)
    {
        SetCategory57RightSoftkeyFunctions(ComputeWeightResult, GoBackHistory);
    }
    else
    {
        SetCategory57RightSoftkeyFunctions(ComputeLengthResult, GoBackHistory);
    }
}


/*****************************************************************************
 * FUNCTION
 *  HighlightUConvInlineItem
 * DESCRIPTION
 *  Highlight handler of inline items
 * PARAMETERS
 *  index       [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
void HighlightUConvInlineItem(S32 index)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    if (index == 0) /* inline selection */
    {
        ChangeLeftSoftkey(STRING_ID_NULL, IMAGE_ID_NULL);
        ChangeRightSoftkey(STR_GLOBAL_BACK, IMG_GLOBAL_BACK);
        SetRightSoftkeyFunction(GoBackHistory, KEY_EVENT_UP);
    }
    else
    {
    #ifdef __MMI_CONVERTER_KEEP_INLINE_FOCUS__

        if ((U8) index != g_uconv_cntx->CurrSelectedItem)
        {
            memset(g_uconv_cntx->MetricBuf, 0, 2);
            memset(g_uconv_cntx->EngBuf, 0, 2);
        }
        /* if re-entry screen because of displaying result */
		else if(!g_uconv_cntx->ClearResultFlag && *(g_uconv_cntx->EngBuf) != 0 && *(g_uconv_cntx->MetricBuf) != 0)
		{
            g_uconv_cntx->ClearResultFlag = TRUE;
        }

        ChangeLeftSoftkey(STR_GLOBAL_OK, IMG_GLOBAL_OK);

        if (g_uconv_cntx->CurrHiliteUnitType == UCONV_WEIGHT)
        {
            SetLeftSoftkeyFunction(ComputeWeightResult, KEY_EVENT_UP);
        }
        else
        {
            SetLeftSoftkeyFunction(ComputeLengthResult, KEY_EVENT_UP);
        }

    #else /* __MMI_CONVERTER_KEEP_INLINE_FOCUS__ */ 
        if (index != g_uconv_cntx->CurrSelectedItem)
        {
            memset(g_uconv_cntx->MetricBuf, 0, 2);
            memset(g_uconv_cntx->EngBuf, 0, 2);
        }
        ChangeLeftSoftkey(STR_GLOBAL_OK, IMG_GLOBAL_OK);

        if (g_uconv_cntx->CurrHiliteUnitType == UCONV_WEIGHT)
        {
            SetLeftSoftkeyFunction(ComputeWeightResult, KEY_EVENT_UP);
        }
        else
        {
            SetLeftSoftkeyFunction(ComputeLengthResult, KEY_EVENT_UP);
        }

    #endif /* __MMI_CONVERTER_KEEP_INLINE_FOCUS__ */ 
    }
    g_uconv_cntx->CurrSelectedItem = (U8) index;
    return;
}


/*****************************************************************************
 * FUNCTION
 *  HighlightUConvInlineWeightSelect
 * DESCRIPTION
 *  Highlight handler inline selection item in Weight convertor.
 *  Redraw caption according to select.
 * PARAMETERS
 *  index       [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
void HighlightUConvInlineWeightSelect(S32 index)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    UI_character_type *Caption1, *Caption2;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    g_uconv_cntx->CurrInlineSelectUnit = (U8) index;

    Caption1 = (UI_character_type*) (GetString(STR_UNITCONVERTOR_KG));
    if (index == 0) /* Kg <-> Pound */
    {
        Caption2 = (UI_character_type*) (GetString(STR_UNITCONVERTOR_POUND));
    }
    else
    {
        Caption2 = (UI_character_type*) (GetString(STR_UCONV_OUNCE));
    }

    memset(g_uconv_cntx->MetricBuf, 0, 2);
    memset(g_uconv_cntx->EngBuf, 0, 2);

    Category57ChangeItemText(1, (U8*) Caption1);
    Category57ChangeItemText(3, (U8*) Caption2);
    RedrawCategoryFunction();
}


/*****************************************************************************
 * FUNCTION
 *  HighlightUConvInlineLenghSelect
 * DESCRIPTION
 *  Highlight handler inline selection item in Length convertor.
 *  Redraw caption according to select.
 * PARAMETERS
 *  index       [IN]        
 * RETURNS
 *  void
 *****************************************************************************/
void HighlightUConvInlineLenghSelect(S32 index)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/
    UI_character_type *Caption1, *Caption2;

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    g_uconv_cntx->CurrInlineSelectUnit = index;

    Caption2 = (UI_character_type*) (GetString((U16) (STR_UNITCONVERTOR_MILE + g_uconv_cntx->CurrInlineSelectUnit)));
    switch (g_uconv_cntx->CurrInlineSelectUnit)
    {
        case 0:
            Caption1 = (UI_character_type*) (GetString(STR_UNITCONVERTOR_KM));
            break;
        case 3:
            Caption1 = (UI_character_type*) (GetString(STR_UNITCONVERTOR_CM));
            break;
        default:
            Caption1 = (UI_character_type*) (GetString(STR_UNITCONVERTOR_METER));
            break;
    }

    memset(g_uconv_cntx->MetricBuf, 0, 2);
    memset(g_uconv_cntx->EngBuf, 0, 2);

    Category57ChangeItemText(1, (U8*) Caption1);
    Category57ChangeItemText(3, (U8*) Caption2);
    RedrawCategoryFunction();
}

#else /* __MMI_UNIT_CONVERTER__ */ /* else of ifdef __MMI_UNIT_CONVERTER__ */


/*****************************************************************************
 * FUNCTION
 *  mmi_uconv_highlight_volume
 * DESCRIPTION
 *  Highlight handler of Volume menu in Unit Convertor
 *  Register key handlers.
 * PARAMETERS
 *  void
 * RETURNS
 *  void
 *****************************************************************************/
void mmi_uconv_highlight_volume(void)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    g_uconv_cntx->CurrHiliteUnitType = UCONV_VOLUME;
    SetLeftSoftkeyFunction(mmi_uconv_goto_compute_screen_lg, KEY_EVENT_UP);
    SetKeyHandler(mmi_uconv_goto_compute_screen_lg, KEY_RIGHT_ARROW, KEY_EVENT_DOWN);
}


/*****************************************************************************
 * FUNCTION
 *  mmi_uconv_highlight_temperature
 * DESCRIPTION
 *  Highlight handler of Temperature menu in Unit Convertor
 *  Register key handlers.
 * PARAMETERS
 *  void
 * RETURNS
 *  void
 *****************************************************************************/
void mmi_uconv_highlight_temperature(void)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    g_uconv_cntx->CurrHiliteUnitType = UCONV_TEMPERATURE;
    SetLeftSoftkeyFunction(mmi_uconv_goto_compute_screen_lg, KEY_EVENT_UP);
    SetKeyHandler(mmi_uconv_goto_compute_screen_lg, KEY_RIGHT_ARROW, KEY_EVENT_DOWN);
}


/*****************************************************************************
 * FUNCTION
 *  mmi_uconv_highlight_velocity
 * DESCRIPTION
 *  Highlight handler of Velocity menu in Unit Convertor
 *  Register key handlers.
 * PARAMETERS
 *  void
 * RETURNS
 *  void
 *****************************************************************************/
void mmi_uconv_highlight_velocity(void)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    g_uconv_cntx->CurrHiliteUnitType = UCONV_VELOCITY;
    SetLeftSoftkeyFunction(mmi_uconv_goto_compute_screen_lg, KEY_EVENT_UP);
    SetKeyHandler(mmi_uconv_goto_compute_screen_lg, KEY_RIGHT_ARROW, KEY_EVENT_DOWN);
}


/*****************************************************************************
 * FUNCTION
 *  mmi_uconv_highlight_length
 * DESCRIPTION
 *  Highlight handler of Length menu in Unit Convertor
 *  Register key handlers.
 * PARAMETERS
 *  void
 * RETURNS
 *  void
 *****************************************************************************/
void mmi_uconv_highlight_length(void)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    g_uconv_cntx->CurrHiliteUnitType = UCONV_LENGTH;
    SetLeftSoftkeyFunction(mmi_uconv_goto_compute_screen_lg, KEY_EVENT_UP);
    SetKeyHandler(mmi_uconv_goto_compute_screen_lg, KEY_RIGHT_ARROW, KEY_EVENT_DOWN);
}