Subversion Repositories spk

/****h* EZ.LCD.SDK.Wrapper/EZ_LCD_Page.cpp

 * NAME

 *   EZ_LCD_Page.cpp

 * COPYRIGHT

 *   The Logitech EZ LCD SDK Wrapper, including all accompanying 

 *   documentation, is protected by intellectual property laws. All rights 

 *   not expressly granted by Logitech are reserved.

 * PURPOSE

 *   Part of the SDK package.

 * AUTHOR

 *   Christophe Juncker (christophe_juncker@logitech.com)

 *   Vahid Afshar (Vahid_Afshar@logitech.com)

 * CREATION DATE

 *   06/13/2005

 * MODIFICATION HISTORY

 *   03/01/2006 - Added the concept of pages.

 *   

 *******

 */

#include "StdAfx.h"

#include "LCDUI/LCDText.h"

#include "LCDUI/LCDStreamingText.h"

#include "LCDUI/LCDIcon.h"

#include "LCDUI/LCDProgressBar.h"

#include "LCDUI/LCDBitmap.h"

#include "EZ_LCD.h"

#include "EZ_LCD_Page.h"

// text box height for various font sizes

CONST INT LG_SMALL_FONT_TEXT_BOX_HEIGHT = 12;

CONST INT LG_MEDIUM_FONT_TEXT_BOX_HEIGHT = 13;

CONST INT LG_BIG_FONT_TEXT_BOX_HEIGHT = 20;

// corresponding font size

CONST INT LG_SMALL_FONT_SIZE = 7;

CONST INT LG_MEDIUM_FONT_SIZE = 8;

CONST INT LG_BIG_FONT_SIZE = 12;

// logical origin Y value for various font sizes

CONST INT LG_SMALL_FONT_LOGICAL_ORIGIN_Y = -3;

CONST INT LG_MEDIUM_FONT_LOGICAL_ORIGIN_Y = -2;

CONST INT LG_BIG_FONT_LOGICAL_ORIGIN_Y = -4;

// Scrolling text parameters

CONST INT LG_SCROLLING_SPEED = 25;

CONST INT LG_SCROLLING_STEP = 7;

CONST INT LG_SCROLLING_DELAY_MS = 2000;

CONST TCHAR LG_SCROLLING_GAP_TEXT[] = _T("       ");

// Progress bar parameters

CONST INT LG_PROGRESS_BAR_RANGE_MIN = 0;

CONST INT LG_PROGRESS_BAR_RANGE_MAX = 100;

CONST INT LG_PROGRESS_BAR_INITIAL_HEIGHT = 5;

// Font

CONST LPCTSTR LG_FONT = _T("Microsoft Sans Serif");

/****f* EZ.LCD.SDK.Wrapper/CEzLcdPage::CEzLcdPage

 * NAME

 *  CEzLcdPage::CEzLcdPage(LPCTSTR friendlyName, INT width, INT height) -- Basic constructor

 * FUNCTION

 *  Does necessary initialization.

 * INPUTS

 *  friendlyName  - friendly name of the applet/game. This name will be 

 *                  displayed in the Logitech G-series LCD Manager.

 *  width         - width in pixels of the LCD.

 *  height        - height in pixels of the LCD.

 ******

 */

CEzLcdPage::CEzLcdPage()

{

	m_pContainer = NULL;

}

CEzLcdPage::CEzLcdPage(CEzLcd * pContainer, INT iWidth, INT iHeight)

{

	m_pContainer = pContainer;

	Init(iWidth, iHeight);

}

/****f* EZ.LCD.SDK.Wrapper/CEzLcdPage::CEzLcdPage

 * NAME

 *  CEzLcdPage::CEzLcdPage(LPCTSTR friendlyName, INT width, INT height, lgLcdOnConfigureCB callbackFunction, PVOID configContext) -- Constructor including configure button callback function

 * FUNCTION

 *  Does necessary initialization.

 * INPUTS

 *  friendlyName  - friendly name of the applet/game. This name will be 

 *                  displayed in the Logitech G-series LCD Manager.

 *  width         - width in pixels of the LCD.

 *  height        - height in pixels of the LCD.

 ******

 */

CEzLcdPage::~CEzLcdPage()

{

    LCD_OBJECT_LIST::iterator it_ = m_Objects.begin();

    while(it_ != m_Objects.end())

    {

        CLCDBase *pObject_ = *it_;

        LCDUIASSERT(NULL != pObject_);

        delete pObject_;

        ++it_;

    }

}

/****f* EZ.LCD.SDK.Wrapper/CEzLcdPage::AddText

 * NAME

 *  HANDLE CEzLcdPage::AddText(LGObjectType type, LGTextSize size, INT alignment, INT maxLengthPixels) -- Add a text object to the LCD

 * INPUTS

 *  type            - specifies whether the text is static or 

 *                    scrolling. Possible types are: LG_SCROLLING_TEXT,

 *                    LG_STATIC_TEXT

 *  size            - size of the text. Choose between these three: 

 *                    LG_SMALL, LG_MEDIUM or LG_BIG.

 *  alignment       - alignment of the text. Values are: DT_LEFT, 

 *                    DT_CENTER, DT_RIGHT.

 *  maxLengthPixels - max length in pixels of the text. If the text is

 *                    longer and of type LG_STATIC_TEXT, it will be cut

 *                    off. If the text is longer and of type 

 *                    LG_SCROLLING_TEXT, it will scroll.

 * RETURN VALUE 

 *  Handle for this object.

 * SEE ALSO

 *  CEzLcdPage::AddIcon

 *  CEzLcdPage::AddProgressBar

 ******

 */

HANDLE CEzLcdPage::AddText(LGObjectType type, LGTextSize size, INT iAlignment, INT iMaxLengthPixels)

{

    return AddText(type, size, iAlignment, iMaxLengthPixels, 1);

}

/****f* EZ.LCD.SDK.Wrapper/CEzLcdPage::AddText

 * NAME

 *  HANDLE CEzLcdPage::AddText(LGObjectType type, LGTextSize size, INT alignment, INT maxLengthPixels, INT numberOfLines) -- Add a text object to the LCD

 * INPUTS

 *  type            - specifies whether the text is static or 

 *                    scrolling. Possible types are: LG_SCROLLING_TEXT,

 *                    LG_STATIC_TEXT

 *  size            - size of the text. Choose between these three: 

 *                    LG_SMALL, LG_MEDIUM or LG_BIG.

 *  alignment       - alignment of the text. Values are: DT_LEFT, 

 *                    DT_CENTER, DT_RIGHT.

 *  maxLengthPixels - max length in pixels of the text. If the text is

 *                    longer and of type LG_STATIC_TEXT, it will be cut

 *                    off. If the text is longer and of type 

 *                    LG_SCROLLING_TEXT, it will scroll.

 *  numberOfLines   - number of lines the text can use. For static text 

 *                    only. If number bigger than 1 and statoc text is too

 *                    long to fit on LCD, the text will be displayed on 

 *                    multiple lines as necessary.

 * RETURN VALUE 

 *  Handle for this object.

 * SEE ALSO

 *  CEzLcdPage::AddIcon

 *  CEzLcdPage::AddProgressBar

 ******

 */

HANDLE CEzLcdPage::AddText(LGObjectType type, LGTextSize size, INT iAlignment, INT iMaxLengthPixels, INT iNumberOfLines)

{

    LCDUIASSERT(LG_SCROLLING_TEXT == type || LG_STATIC_TEXT == type || type == LG_SCROLLING_TEXT_FAST);

    CLCDText* pStaticText_;

    CLCDStreamingText* pStreamingText_;

    INT iBoxHeight_ = LG_MEDIUM_FONT_TEXT_BOX_HEIGHT;

    INT iFontSize_ = LG_MEDIUM_FONT_SIZE;

    INT iLocalOriginY_ = LG_MEDIUM_FONT_LOGICAL_ORIGIN_Y;

    switch (type)

    {

    case LG_SCROLLING_TEXT:

    case LG_SCROLLING_TEXT_FAST:

        pStreamingText_ = new CLCDStreamingText();

        LCDUIASSERT(NULL != pStreamingText_);

        pStreamingText_->Initialize();

        pStreamingText_->SetOrigin(0, 0);

        pStreamingText_->SetFontFaceName(LG_FONT);

        pStreamingText_->SetAlignment(iAlignment);

        pStreamingText_->SetText(_T(" "));

        pStreamingText_->SetGapText(LG_SCROLLING_GAP_TEXT);

		if ( type == LG_SCROLLING_TEXT_FAST )

			pStreamingText_->SetSpeed(LG_SCROLLING_SPEED * 2);

		else

			pStreamingText_->SetSpeed(LG_SCROLLING_SPEED);

        pStreamingText_->SetScrollingStep(LG_SCROLLING_STEP);

        pStreamingText_->SetStartDelay(LG_SCROLLING_DELAY_MS);

        if (LG_SMALL == size)

        {

            iBoxHeight_ = LG_SMALL_FONT_TEXT_BOX_HEIGHT;

            iFontSize_ = LG_SMALL_FONT_SIZE;

            iLocalOriginY_ = LG_SMALL_FONT_LOGICAL_ORIGIN_Y;

        }

        else if (LG_MEDIUM == size)

        {

            iBoxHeight_ = LG_MEDIUM_FONT_TEXT_BOX_HEIGHT;

            iFontSize_ = LG_MEDIUM_FONT_SIZE;

            iLocalOriginY_ = LG_MEDIUM_FONT_LOGICAL_ORIGIN_Y;

        }

        else if (LG_BIG == size)

        {

            pStreamingText_->SetFontWeight(FW_BOLD);

            iBoxHeight_ = LG_BIG_FONT_TEXT_BOX_HEIGHT;

            iFontSize_ = LG_BIG_FONT_SIZE;

            iLocalOriginY_ = LG_BIG_FONT_LOGICAL_ORIGIN_Y;

        }

        pStreamingText_->SetSize(iMaxLengthPixels, iBoxHeight_);		

        pStreamingText_->SetFontPointSize(iFontSize_);

        pStreamingText_->SetLogicalOrigin(0, iLocalOriginY_);

        pStreamingText_->SetObjectType(LG_SCROLLING_TEXT);

        AddObject(pStreamingText_);

        return pStreamingText_;

        break;

    case LG_STATIC_TEXT:

        pStaticText_ = new CLCDText();

        LCDUIASSERT(NULL != pStaticText_);

        pStaticText_->Initialize();

        pStaticText_->SetOrigin(0, 0);

        pStaticText_->SetFontFaceName(LG_FONT);

        pStaticText_->SetAlignment(iAlignment);

        pStaticText_->SetBackgroundMode(OPAQUE);

        pStaticText_->SetText(_T(" "));

        if (LG_SMALL == size)

        {

            iBoxHeight_ = iNumberOfLines * LG_SMALL_FONT_TEXT_BOX_HEIGHT;

            iFontSize_ = LG_SMALL_FONT_SIZE;

            iLocalOriginY_ = LG_SMALL_FONT_LOGICAL_ORIGIN_Y;

        }

        else if (LG_MEDIUM == size)

        {

            iBoxHeight_ = iNumberOfLines * LG_MEDIUM_FONT_TEXT_BOX_HEIGHT;

            iFontSize_ = LG_MEDIUM_FONT_SIZE;

            iLocalOriginY_ = LG_MEDIUM_FONT_LOGICAL_ORIGIN_Y;

        }

        else if (LG_BIG == size)

        {

            pStaticText_->SetFontWeight(FW_BOLD);

            iBoxHeight_ = iNumberOfLines * LG_BIG_FONT_TEXT_BOX_HEIGHT;

            iFontSize_ = LG_BIG_FONT_SIZE;

            iLocalOriginY_ = LG_BIG_FONT_LOGICAL_ORIGIN_Y;

        }

        pStaticText_->SetSize(iMaxLengthPixels, iBoxHeight_);

        pStaticText_->SetFontPointSize(iFontSize_);

        pStaticText_->SetLogicalOrigin(0, iLocalOriginY_);

        pStaticText_->SetObjectType(LG_STATIC_TEXT);

        if (1 < iNumberOfLines)

            pStaticText_->SetWordWrap(TRUE);

        AddObject(pStaticText_);

        return pStaticText_;

        break;

    default:

        LCDUITRACE(_T("ERROR: trying to add text object with undefined type\n"));

    }

    return NULL;

}

/****f* EZ.LCD.SDK.Wrapper/CEzLcdPage::SetText

 * NAME

 *  HRESULT CEzLcdPage::SetText -- Set text

 * INPUTS

 *  hHandle          - handle to the object.

 *  pText            - text string.

 * RETURN VALUE 

 *  E_FAIL if there was an error.

 *  S_OK if no error.

 ******

 */

HRESULT CEzLcdPage::SetText(HANDLE hHandle, LPCTSTR pText)

{

    CLCDBase* pMyObject_ = GetObject(hHandle);

    if (NULL != pMyObject_)

    {

        LCDUIASSERT(LG_STATIC_TEXT == pMyObject_->GetObjectType() || LG_SCROLLING_TEXT == pMyObject_->GetObjectType() || LG_SCROLLING_TEXT_FAST == pMyObject_->GetObjectType());

        if (LG_STATIC_TEXT == pMyObject_->GetObjectType())

        {

            CLCDText* pStaticText_ = static_cast<CLCDText*>(pMyObject_);

            LCDUIASSERT(NULL != pStaticText_);

            pStaticText_->SetText(pText);

            return S_OK;

        }

        else if (LG_SCROLLING_TEXT == pMyObject_->GetObjectType() || LG_SCROLLING_TEXT_FAST == pMyObject_->GetObjectType())

        {

            CLCDStreamingText* pStreamingText_ = static_cast<CLCDStreamingText*>(pMyObject_);

            LCDUIASSERT(NULL != pStreamingText_);

            pStreamingText_->SetText(pText);

            return S_OK;

        }

    }

    return E_FAIL;

}

HRESULT CEzLcdPage::SetSpeed(HANDLE hHandle, DWORD speed)

{

    CLCDBase* pMyObject_ = GetObject(hHandle);

    if (NULL != pMyObject_)

    {

        LCDUIASSERT(LG_SCROLLING_TEXT == pMyObject_->GetObjectType() || LG_SCROLLING_TEXT_FAST == pMyObject_->GetObjectType());

        if (LG_SCROLLING_TEXT == pMyObject_->GetObjectType() || LG_SCROLLING_TEXT_FAST == pMyObject_->GetObjectType())

        {

            CLCDStreamingText* pStreamingText_ = static_cast<CLCDStreamingText*>(pMyObject_);

            LCDUIASSERT(NULL != pStreamingText_);

            pStreamingText_->SetSpeed ( speed );

            return S_OK;

        }

    }

    return E_FAIL;

}

HRESULT CEzLcdPage::SetText(HANDLE hHandle, const std::wstring &pText)

{

    CLCDBase* pMyObject_ = GetObject(hHandle);

    if (NULL != pMyObject_)

    {

        LCDUIASSERT(LG_STATIC_TEXT == pMyObject_->GetObjectType() || LG_SCROLLING_TEXT == pMyObject_->GetObjectType() || LG_SCROLLING_TEXT == pMyObject_->GetObjectType());

        if (LG_STATIC_TEXT == pMyObject_->GetObjectType())

        {

            CLCDText* pStaticText_ = static_cast<CLCDText*>(pMyObject_);

            LCDUIASSERT(NULL != pStaticText_);

            pStaticText_->SetText(pText);

            return S_OK;

        }

        else if (LG_SCROLLING_TEXT == pMyObject_->GetObjectType() || LG_SCROLLING_TEXT_FAST == pMyObject_->GetObjectType())

        {

            CLCDStreamingText* pStreamingText_ = static_cast<CLCDStreamingText*>(pMyObject_);

            LCDUIASSERT(NULL != pStreamingText_);

            pStreamingText_->SetText(pText);

            return S_OK;

        }

    }

    return E_FAIL;

}

/****f* EZ.LCD.SDK.Wrapper/CEzLcdPage::AddIcon

 * NAME

 *  HANDLE CEzLcdPage::AddIcon -- Add an icon object to the LCD

 * INPUTS

 *  hIcon            - icon to be displayed on the LCD. Should be 1 bpp

 *                     bitmap.

 *  iWidth           - x-axis size of the bitmap.

 *  iHeight          - y-axis size of the bitmap.

 * RETURN VALUE 

 *  Handle for this object.

 * SEE ALSO

 *  CEzLcdPage::AddText

 *  CEzLcdPage::AddProgressBar

 ******

 */

HANDLE CEzLcdPage::AddIcon(HICON hIcon, INT iWidth, INT iHeight)

{

    CLCDIcon* hIcon_ = new CLCDIcon();

    LCDUIASSERT(NULL != hIcon_);

    hIcon_->Initialize();

    hIcon_->SetOrigin(0, 0);

    hIcon_->SetSize(iWidth, iHeight);

    hIcon_->SetIcon(hIcon, iWidth, iHeight);

    hIcon_->SetObjectType(LG_ICON);

    AddObject(hIcon_);

    return hIcon_;

}

/****f* EZ.LCD.SDK.Wrapper/CEzLcdPage::AddProgressBar

 * NAME

 *  HANDLE CEzLcdPage::AddProgressBar -- Add a progress bar object to the LCD.

 * INPUTS

 *  type            - type of the progress bar. Types are: LG_CURSOR, 

 *                    LG_FILLED.

 * RETURN VALUE 

 *  Handle for this object.

 * SEE ALSO

 *  CEzLcdPage::AddText

 *  CEzLcdPage::AddIcon

 ******

 */

HANDLE CEzLcdPage::AddProgressBar(LGProgressBarType type)

{

    LCDUIASSERT(LG_FILLED == type || LG_CURSOR == type || LG_DOT_CURSOR == type);

    CLCDProgressBar *pProgressBar_ = new CLCDProgressBar();

    LCDUIASSERT(NULL != pProgressBar_);

    pProgressBar_->Initialize();

    pProgressBar_->SetOrigin(0, 0);

    pProgressBar_->SetSize(m_iLcdWidth, LG_PROGRESS_BAR_INITIAL_HEIGHT);

    pProgressBar_->SetRange(LG_PROGRESS_BAR_RANGE_MIN, LG_PROGRESS_BAR_RANGE_MAX );

    pProgressBar_->SetPos(static_cast<FLOAT>(LG_PROGRESS_BAR_RANGE_MIN));

    pProgressBar_->SetObjectType(LG_PROGRESS_BAR);

	// Map the progress style into what the UI classes understand

	CLCDProgressBar::ePROGRESS_STYLE eStyle = CLCDProgressBar::ePROGRESS_STYLE::STYLE_FILLED;

	switch (type)

	{

		case LG_FILLED:

			eStyle = CLCDProgressBar::ePROGRESS_STYLE::STYLE_FILLED;

			break;

		case LG_CURSOR:

			eStyle = CLCDProgressBar::ePROGRESS_STYLE::STYLE_CURSOR;

			break;

		case LG_DOT_CURSOR:

			eStyle = CLCDProgressBar::ePROGRESS_STYLE::STYLE_DASHED_CURSOR;

			break;

	}

	pProgressBar_->SetProgressStyle(eStyle);

    AddObject(pProgressBar_);

    return pProgressBar_;

}

/****f* EZ.LCD.SDK.Wrapper/CEzLcdPage::SetProgressBarPosition

 * NAME

 *  HRESULT CEzLcdPage::SetProgressBarPosition -- Set position of the 

 *  progress bar's cursor

 * INPUTS

 *  hHandle          - handle to the object.

 *  fPercentage      - percentage of progress (0 to 100).

 * RETURN VALUE 

 *  E_FAIL if there was an error or if handle does not correspond to a

 *  progress bar.

 *  S_OK if no error.

 ******

 */

HRESULT CEzLcdPage::SetProgressBarPosition(HANDLE hHandle, FLOAT fPercentage)

{

    CLCDBase* pMyObject_ = GetObject(hHandle);

    if (NULL != pMyObject_)

    {

        LCDUIASSERT(LG_PROGRESS_BAR == pMyObject_->GetObjectType());

        // only allow this function for progress bars

        if (LG_PROGRESS_BAR == pMyObject_->GetObjectType())

        {

            CLCDProgressBar *progressBar_ = static_cast<CLCDProgressBar*>(pMyObject_);

            LCDUIASSERT(NULL != progressBar_);

            progressBar_->SetPos(fPercentage);

            return S_OK;

        }

    }

    return E_FAIL;

}

/****f* EZ.LCD.SDK.Wrapper/CEzLcdPage::SetProgressBarSize

 * NAME

 *  HRESULT CEzLcdPage::SetProgressBarSize -- Set size of progress bar

 * INPUTS

 *  hHandle          - handle to the object.

 *  iWidth           - x-axis part of the size

 *  iHeight          - y-axis part of the size (a good default value is 5).

 * RETURN VALUE 

 *  E_FAIL if there was an error or if handle does not correspond to a

 *  progress bar.

 *  S_OK if no error.

 ******

 */

HRESULT CEzLcdPage::SetProgressBarSize(HANDLE hHandle, INT iWidth, INT iHeight)

{

    CLCDBase* ppMyObject_ = GetObject(hHandle);

    LCDUIASSERT(NULL != ppMyObject_);

    if (NULL != ppMyObject_)

    {

        LCDUIASSERT(LG_PROGRESS_BAR == ppMyObject_->GetObjectType());

        // only allow this function for progress bars

        if (LG_PROGRESS_BAR == ppMyObject_->GetObjectType())

        {

            ppMyObject_->SetSize(iWidth, iHeight);

            return S_OK;

        }

    }

    return E_FAIL;

}

/****f* EZ.LCD.SDK.Wrapper/CEzLcdPage::AddBitmap

 * NAME

 *  HANDLE CEzLcdPage::AddBitmap() -- Add a bitmap object to the LCD.

 * COMMENTS

 *  A bitmap's size currently must always be 160x43 pixels.

 * RETURN VALUE 

 *  Handle for this object.

 * SEE ALSO

 *  CEzLcdPage::AddText

 *  CEzLcdPage::AddIcon

 ******

 */

HANDLE CEzLcdPage::AddBitmap(void)

{

    CLCDBitmap *hBitmap_ = new CLCDBitmap();

    LCDUIASSERT(NULL != hBitmap_);

    hBitmap_->Initialize();

    hBitmap_->SetOrigin(0, 0);

    AddObject(hBitmap_);

    return hBitmap_;

}

/****f* EZ.LCD.SDK.Wrapper/CEzLcdPage::SetBitmap

 * NAME

 *  HRESULT CEzLcdPage::SetBitmap(HANDLE handle, HBITMAP bitmap) -- Set the bitmap.

 * INPUTS

 *  handle          - handle to the object.

 *  bitmap          - 160x43 1bpp bitmap.

 * RETURN VALUE 

 *  E_FAIL if there was an error or if handle does not correspond to a

 *  bitmap.

 *  S_OK if no error.

 ******

 */

HRESULT CEzLcdPage::SetBitmap(HANDLE hHandle, HBITMAP hBitmap)

{

    if (NULL == hBitmap)

        return E_FAIL;

    CLCDBase* pMyObject_ = GetObject(hHandle);

    if (NULL != pMyObject_)

    {

        CLCDBitmap* hBitmap_ = static_cast<CLCDBitmap*>(pMyObject_);

        LCDUIASSERT(hBitmap_);

        hBitmap_->SetBitmap(hBitmap);

        return S_OK;

    }

    return S_OK;

}

/****f* EZ.LCD.SDK.Wrapper/CEzLcdPage::SetOrigin

 * NAME

 *  HRESULT CEzLcdPage::SetOrigin -- Set the origin of an object. The 

 *                  origin corresponds to the furthest pixel on the 

 *                  upper left corner of an object.

 * INPUTS

 *  hHandle          - handle to the object.

 *  iOriginX         - x-axis part of the origin.

 *  iOriginY         - y-axis part of the origin.

 * RETURN VALUE 

 *  E_FAIL if there was an error.

 *  S_OK if no error.

 ******

 */

HRESULT CEzLcdPage::SetOrigin(HANDLE hHandle, INT iOriginX, INT iOriginY)

{

    CLCDBase* pMyObject_ = GetObject(hHandle);

    LCDUIASSERT(NULL != pMyObject_);

    LCDUIASSERT(NULL != pMyObject_);

    if (NULL != pMyObject_ && NULL != pMyObject_)

    {

        pMyObject_->SetOrigin(iOriginX, iOriginY);

        return S_OK;

    }

    return E_FAIL;

}

/****f* EZ.LCD.SDK.Wrapper/CEzLcdPage::SetVisible

 * NAME

 *  HRESULT CEzLcdPage::SetVisible -- set corresponding object to be 

 *  visible or invisible.

 * INPUTS

 *  hHandle          - handle to the object.

 *  bVisible         - set to FALSE to make object invisible, TRUE to 

 *                     make it visible (default).

 * RETURN VALUE 

 *  E_FAIL if there was an error.

 *  S_OK if no error.

 ******

 */

HRESULT CEzLcdPage::SetVisible(HANDLE hHandle, BOOL bVisible)

{

    CLCDBase* pMyObject_ = GetObject(hHandle);

    LCDUIASSERT(NULL != pMyObject_);

    LCDUIASSERT(NULL != pMyObject_);

    if (NULL != pMyObject_ && NULL != pMyObject_)

    {        

        pMyObject_->Show(bVisible);

        return S_OK;

    }

    return E_FAIL;

}

/****f* EZ.LCD.SDK.Wrapper/CEzLcdPage::Update

 * NAME

 *  VOID CEzLcdPage::Update -- Update LCD display

 * FUNCTION

 *  Updates the display. Must be called every loop.

 ******

 */

VOID CEzLcdPage::Update()

{

// Save copy of button state

    for (INT ii = 0; ii < NUMBER_SOFT_BUTTONS; ii++)

    {

        m_bButtonWasPressed[ii] = m_bButtonIsPressed[ii];

    }

}

CLCDBase* CEzLcdPage::GetObject(HANDLE hHandle)

{

    LCD_OBJECT_LIST::iterator it_ = m_Objects.begin();

    while(it_ != m_Objects.end())

    {

        CLCDBase *pObject_ = *it_;

        LCDUIASSERT(NULL != pObject_);

        if (pObject_ == hHandle)

        {

            return pObject_;

        }

        ++it_;

    }

    return NULL;

}

VOID CEzLcdPage::Init(INT iWidth, INT iHeight)

{

    m_iLcdWidth = iWidth;

    m_iLcdHeight = iHeight;

    for (INT ii = 0; ii < NUMBER_SOFT_BUTTONS; ii++)

    {

        m_bButtonIsPressed[ii] = FALSE;

        m_bButtonWasPressed[ii] = FALSE;

    }

}

void CEzLcdPage::OnLCDButtonDown(int iButton)

{

    switch(iButton)

    {

    case LGLCDBUTTON_BUTTON0:

        m_bButtonIsPressed[LG_BUTTON_1] = TRUE;

        break;

    case LGLCDBUTTON_BUTTON1:

        m_bButtonIsPressed[LG_BUTTON_2] = TRUE;

        break;

    case LGLCDBUTTON_BUTTON2:

        m_bButtonIsPressed[LG_BUTTON_3] = TRUE;

        break;

    case LGLCDBUTTON_BUTTON3:

        m_bButtonIsPressed[LG_BUTTON_4] = TRUE;

        break;

    default:

        LCDUITRACE(_T("ERROR: unknown button was pressed\n"));

        break;

    }

	m_pContainer->OnLCDButtonDown(iButton);

}

void CEzLcdPage::OnLCDButtonUp(int iButton)

{

    switch(iButton)

    {

    case LGLCDBUTTON_BUTTON0:

        m_bButtonIsPressed[LG_BUTTON_1] = FALSE;

        break;

    case LGLCDBUTTON_BUTTON1:

        m_bButtonIsPressed[LG_BUTTON_2] = FALSE;

        break;

    case LGLCDBUTTON_BUTTON2:

        m_bButtonIsPressed[LG_BUTTON_3] = FALSE;

        break;

    case LGLCDBUTTON_BUTTON3:

        m_bButtonIsPressed[LG_BUTTON_4] = FALSE;

        break;

    default:

        LCDUITRACE(_T("ERROR: unknown button was pressed\n"));

        break;

    }

	m_pContainer->OnLCDButtonUp(iButton);

}