/*---------------------------------------------------------------------------*
  Project:  Horizon
  File:     kbd.cpp

  Copyright (C)2009-2012 Nintendo Co., Ltd.  All rights reserved.

  These coded instructions, statements, and computer programs contain
  proprietary information of Nintendo of America Inc. and/or Nintendo
  Company Ltd., and are protected by Federal copyright law.  They may
  not be disclosed to third parties or copied or duplicated in any form,
  in whole or in part, without the prior written consent of Nintendo.

  $Rev: 46365 $
 *---------------------------------------------------------------------------*/

#include <nn/os.h>
#include <nn/swkbd.h>
#include <string.h>
#include <wchar.h>
#include "kbd.h"

u8 SwkbdDemo::m_KeyboardBuffer[KEYBOARD_BUFFER_SIZE] NN_ATTRIBUTE_ALIGN(4096);

void SwkbdDemo::Initialize(demo::RenderSystemDrawing* p_RenderSystem)
{
    Device::Initialize(p_RenderSystem);
    mp_RenderSystem = p_RenderSystem;

    memset( m_TextBuffer, 0, sizeof( m_TextBuffer ) );

    // Initialize config
    nn::swkbd::InitializeConfig(&m_Param.config);
    m_Param.config.keyboardType = nn::swkbd::KEYBOARD_TYPE_QWERTY;
    m_Param.config.textLengthMax = 10;
    m_Param.config.lineFeed = false;
    m_Size = nn::swkbd::GetSharedMemorySize(&m_Param.config, NULL, NULL);

    NN_ASSERT( KEYBOARD_BUFFER_SIZE > m_Size );
}

void SwkbdDemo::DrawFrame(void)
{
    mp_RenderSystem->SetColor(1.0f, 1.0f, 1.0f, 1.0f);

    for(int i = 0; i < 10 ; i++)
    {
        mp_RenderSystem->DrawText(200 + 8 * i, 220, "%s", &m_TextBuffer[i]);
    }
}

bool SwkbdDemo::Exec(void)
{
    wcsncpy( m_Param.config.guideText, m_TextBuffer, 11 );

    // Start the software keyboard
    nn::swkbd::StartKeyboardApplet(&m_WakeupState, &m_Param, m_KeyboardBuffer, KEYBOARD_BUFFER_SIZE, NULL, NULL, NULL, NULL, NULL);

    // End determination
    if ( nn::applet::IsExpectedToCloseApplication() )
    {
        return 1;
    }

    // Recover the GPU register settings
    nngxUpdateState(NN_GX_STATE_ALL);
    nngxValidateState(NN_GX_STATE_ALL,GL_TRUE);

    // Get the input string
    if( m_Param.config.inputText != -1 && !nn::applet::IsExpectedToProcessHomeButton() )
    {
        u8* buf = m_KeyboardBuffer;
        memset( m_TextBuffer, 0, sizeof( m_TextBuffer ) );
        memcpy( m_TextBuffer, &buf[m_Param.config.inputText], m_Param.config.inputTextLength * sizeof( wchar_t ) );
    }

    return 0;
}

/*---------------------------------------------------------------------------*
  End of file
 *---------------------------------------------------------------------------*/