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/*****************************************************************************
 *  Module for Microchip Graphics Library 
 *  GOL Layer 
 *  Window
 *****************************************************************************
 * FileName:        Window.c
 * Dependencies:    Graphics.h 
 * Processor:       PIC24F, PIC24H, dsPIC, PIC32
 * Compiler:            MPLAB C30 V3.00, MPLAB C32
 * Linker:          MPLAB LINK30, MPLAB LINK32
 * Company:         Microchip Technology Incorporated
 *
 * Software License Agreement
 *
 * Copyright © 2008 Microchip Technology Inc.  All rights reserved.
 * Microchip licenses to you the right to use, modify, copy and distribute
 * Software only when embedded on a Microchip microcontroller or digital
 * signal controller, which is integrated into your product or third party
 * product (pursuant to the sublicense terms in the accompanying license
 * agreement).  
 *
 * You should refer to the license agreement accompanying this Software
 * for additional information regarding your rights and obligations.
 *
 * SOFTWARE AND DOCUMENTATION ARE PROVIDED “AS IS” WITHOUT WARRANTY OF ANY
 * KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION, ANY WARRANTY
 * OF MERCHANTABILITY, TITLE, NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR
 * PURPOSE. IN NO EVENT SHALL MICROCHIP OR ITS LICENSORS BE LIABLE OR
 * OBLIGATED UNDER CONTRACT, NEGLIGENCE, STRICT LIABILITY, CONTRIBUTION,
 * BREACH OF WARRANTY, OR OTHER LEGAL EQUITABLE THEORY ANY DIRECT OR INDIRECT
 * DAMAGES OR EXPENSES INCLUDING BUT NOT LIMITED TO ANY INCIDENTAL, SPECIAL,
 * INDIRECT, PUNITIVE OR CONSEQUENTIAL DAMAGES, LOST PROFITS OR LOST DATA,
 * COST OF PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY, SERVICES, OR ANY
 * CLAIMS BY THIRD PARTIES (INCLUDING BUT NOT LIMITED TO ANY DEFENSE THEREOF),
 * OR OTHER SIMILAR COSTS.
 *
 * Author               Date        Comment
 *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 * Anton Alkhimenok     11/12/07        Version 1.0 release
 *****************************************************************************/
#include "Graphics\Graphics.h"

#ifdef USE_WINDOW

/*********************************************************************
* Function: WINDOW  *WndCreate(WORD ID, SHORT left, SHORT top, SHORT right, 
*                              SHORT bottom, WORD state, XCHAR *pText, void* pBitmap,
*                              GOL_SCHEME *pScheme)
*
* Overview: creates the window
*
********************************************************************/
WINDOW *WndCreate
(
    WORD        ID,
    SHORT       left,
    SHORT       top,
    SHORT       right,
    SHORT       bottom,
    WORD        state,
    void        *pBitmap,
    XCHAR       *pText,
    GOL_SCHEME  *pScheme
)
{
    WINDOW  *pW;

    pW = (WINDOW *)GFX_malloc(sizeof(WINDOW));
    if(pW == NULL)
        return (pW);

    pW->hdr.ID = ID;
    pW->hdr.pNxtObj = NULL;
    pW->hdr.type = OBJ_WINDOW;
    pW->hdr.left = left;
    pW->hdr.top = top;
    pW->hdr.right = right;
    pW->hdr.bottom = bottom;
    pW->pBitmap = pBitmap;
    pW->pText = pText;
    pW->hdr.state = state;

    // Set the style scheme to be used
    if(pScheme == NULL)
        pW->hdr.pGolScheme = _pDefaultGolScheme;
    else
        pW->hdr.pGolScheme = pScheme;

    pW->textHeight = 0;
    if(pText != NULL)
    {
        pW->textHeight = GetTextHeight(pW->hdr.pGolScheme->pFont);
    }

    GOLAddObject((OBJ_HEADER *)pW);

    return (pW);
}

/*********************************************************************
* Function: WndSetText(WINDOW *pW, XCHAR *pText)
*
* Overview: sets text
*
********************************************************************/
void WndSetText(WINDOW *pW, XCHAR *pText)
{
    pW->pText = pText;
    pW->textHeight = GetTextHeight(pW->hdr.pGolScheme->pFont);
}

/*********************************************************************
* Function: WORD WndTranslateMsg(WINDOW *pW, GOL_MSG *pMsg)
*
* Overview: translates the GOL message for the window
*
********************************************************************/
WORD WndTranslateMsg(WINDOW *pW, GOL_MSG *pMsg)
{

    // Evaluate if the message is for the window
    // Check if disabled first
    if(GetState(pW, WND_DISABLED))
        return (OBJ_MSG_INVALID);

        #ifdef USE_TOUCHSCREEN
    if(pMsg->type == TYPE_TOUCHSCREEN)
    {

        // Check if it falls in the title bar area
        if
        (
            (pW->hdr.left < pMsg->param1) &&
            (pW->hdr.right > pMsg->param1) &&
            (pW->hdr.top < pMsg->param2) &&
            (pW->hdr.top + WND_TITLE_HEIGHT + GOL_EMBOSS_SIZE > pMsg->param2)
        )
        {
            return (WND_MSG_TITLE);
        }

        // Check if it falls in the client area
        if
        (
            (pW->hdr.left + GOL_EMBOSS_SIZE < pMsg->param1) &&
            (pW->hdr.right - GOL_EMBOSS_SIZE > pMsg->param1) &&
            (pW->hdr.top + WND_TITLE_HEIGHT + GOL_EMBOSS_SIZE < pMsg->param2) &&
            (pW->hdr.bottom - GOL_EMBOSS_SIZE > pMsg->param2)
        )
        {
            return (WND_MSG_CLIENT);
        }
    }

        #endif
    return (OBJ_MSG_INVALID);
}

/*********************************************************************
* Function: WORD WndDraw(WINDOW *pW)
*
* Overview: draws window
*
********************************************************************/
WORD WndDraw(WINDOW *pW)
{
    typedef enum
    {
        WND_REMOVE,
        WND_TITLE_BAR_DRAW,
        WND_TITLE_BAR_BITMAP,
        WND_TITLE_BAR_TEXT,
        WND_TITLE_BAR_TEXT_DRAW,
        WND_CLIENT,
        WND_CLIENT_DRAW
    } WND_DRAW_STATES;

    SHORT temp;
    static WND_DRAW_STATES state = WND_REMOVE;

    while(1)
    {
        if(IsDeviceBusy())
            return (0);

        switch(state)
        {
            case WND_REMOVE:
                if(GetState(pW, WND_HIDE))
                {
                    SetColor(pW->hdr.pGolScheme->CommonBkColor);
                    if(!Bar(pW->hdr.left, pW->hdr.top, pW->hdr.right, pW->hdr.bottom))
                    {
                        return (0);
                    }

                    return (1);
                }

                if(GetState(pW, WND_DRAW_CLIENT))
                {
                    state = WND_CLIENT;
                    break;

                case WND_CLIENT:
                    SetLineThickness(NORMAL_LINE);
                    SetLineType(SOLID_LINE);
                    GOLPanelDraw
                    (
                        pW->hdr.left,
                        pW->hdr.top,
                        pW->hdr.right,
                        pW->hdr.bottom,
                        0,
                        pW->hdr.pGolScheme->CommonBkColor,
                        pW->hdr.pGolScheme->EmbossLtColor,
                        pW->hdr.pGolScheme->EmbossDkColor,
                        NULL,
                        GOL_EMBOSS_SIZE
                    );

                    state = WND_CLIENT_DRAW;

                case WND_CLIENT_DRAW:
                    if(!GOLPanelDrawTsk())
                        return (0);
                }

                state = WND_TITLE_BAR_DRAW;
                break;

            case WND_TITLE_BAR_DRAW:
                if(!GetState(pW, WND_DISABLED))
                {
                    if(GetState(pW, WND_FOCUSED))
                    {
                        SetColor(pW->hdr.pGolScheme->Color1);
                    }
                    else
                    {
                        SetColor(pW->hdr.pGolScheme->Color0);
                    }
                }
                else
                {
                    SetColor(pW->hdr.pGolScheme->ColorDisabled);
                }

                if
                (
                    !Bar
                        (
                            pW->hdr.left + GOL_EMBOSS_SIZE,
                            pW->hdr.top + GOL_EMBOSS_SIZE,
                            pW->hdr.right - GOL_EMBOSS_SIZE,
                            pW->hdr.top + GOL_EMBOSS_SIZE + WND_TITLE_HEIGHT
                        )
                )
                {
                    return (0);
                }

                state = WND_TITLE_BAR_BITMAP;

                break;

            case WND_TITLE_BAR_BITMAP:
                if(pW->pBitmap != NULL)
                {
                    if
                    (
                        !PutImage
                            (
                                pW->hdr.left + GOL_EMBOSS_SIZE,
                                pW->hdr.top + GOL_EMBOSS_SIZE + ((WND_TITLE_HEIGHT - GetImageHeight(pW->pBitmap)) >> 1),
                                pW->pBitmap,
                                IMAGE_NORMAL
                            )
                    )
                    {
                        return (0);
                    }
                }

                if(pW->pText != NULL)
                {
                    state = WND_TITLE_BAR_TEXT;
                    break;

                case WND_TITLE_BAR_TEXT:
                    SetFont(pW->hdr.pGolScheme->pFont);

                    if(!GetState(pW, WND_DISABLED))
                    {
                        if(GetState(pW, WND_FOCUSED))
                        {
                            SetColor(pW->hdr.pGolScheme->TextColor1);
                        }
                        else
                        {
                            SetColor(pW->hdr.pGolScheme->TextColor0);
                        }
                    }
                    else
                    {
                        SetColor(pW->hdr.pGolScheme->TextColorDisabled);
                    }

                    temp = pW->hdr.left + GOL_EMBOSS_SIZE + WND_INDENT;

                    if(pW->pBitmap != NULL)
                    {
                        temp += GetImageWidth(pW->pBitmap);
                    }

                    if(GetState(pW, WND_TITLECENTER))
                    {
                        temp = (temp + (pW->hdr.right - GetTextWidth(pW->pText, pW->hdr.pGolScheme->pFont))) >> 1;
                    }

                    MoveTo(temp, pW->hdr.top + GOL_EMBOSS_SIZE + ((WND_TITLE_HEIGHT - pW->textHeight) >> 1));

                    state = WND_TITLE_BAR_TEXT_DRAW;

                case WND_TITLE_BAR_TEXT_DRAW:
                    if(!OutText(pW->pText))
                        return (0);
                }

                state = WND_REMOVE;
                return (1);
        }   //end of switch
    }       //end of while
}

#endif // USE_WINDOW
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