guiapp_action_imagepositionmenu.c

IT projecotr reference design.

/*****************************************************************************
**             TEXAS INSTRUMENTS PROPRIETARY INFORMATION
**
**  (c) Copyright, Texas Instruments Incorporated, 2006.
**      All Rights Reserved.
**
**  Property of Texas Instruments Incorporated. Restricted Rights -
**  Use, duplication, or disclosure is subject to restrictions set
**  forth in TI's program license agreement and associated documentation.
******************************************************************************/

#include "common.h"
#include "guiStyle.h"
#include "guiApp_action.h"
#include "osd.h"
#include "dbmessage.h"
#include "datapath.h"
#include "eeprom.h"
#include "dispfmt.h"
#include "guiApp.h"

/* private static variables */
int16 tempImagePos;

/* Initialize the items */
int08 guiApp_action_ImagePositionMenu_OnStart( int16 menuId, GUIMSG *msg )
{
    int16 min, max;
    DP_SOURCEDESC *srcDesc;    
    
    guiApp_SetMenuPosition( menuId, GUI_BOTTOMCENTER );
    
    datapath_GetSourceDesc( &srcDesc );
        
    EE_GETVAR( UserMachine.Projector.ImageOffset, tempImagePos );        
    dispfmt_GetImagePositionLimits( &min, &max );
    tempImagePos = LMT( min, tempImagePos, max );   
    
    guiStyle_item_SetSingleValue( ITEM_IMAGEPOSITIONADJUSTMENTITEM, tempImagePos, min, max ); 
            
    return PASS;
}

int08 guiApp_action_ImagePositionMenu_OnClose( int16 menuId )
{
    
    EE_PUTVAR( UserMachine.Projector.ImageOffset, tempImagePos );

    return PASS;
}


/* implement item behavior, system interaction */
/* guiStyle_item_Generic_GuiMsg converts LEFT, RIGHT, UP, DOWN into DEC, INC, DEC_Y, and INC_Y */
int08 guiApp_action_ImagePositionMenu_GuiMsg( int16 menuId, int16 itemId, GUIMSG *msg )
{    
    int16 min, max;

    if( msg == NULL )
        return FAIL;
        
    dispfmt_GetImagePositionLimits( &min, &max );
    
    switch( msg->type )
    {
        case GUIMSG_DEC:
            if( datapath_UserSetImagePosition( tempImagePos - 1 ) == PASS )
            {
                tempImagePos--;
                guiStyle_item_SetSingleValue( ITEM_IMAGEPOSITIONADJUSTMENTITEM, tempImagePos, min, max );
            }                
            break;
        
        case GUIMSG_INC:
            if( datapath_UserSetImagePosition( tempImagePos + 1 ) == PASS )
            {
                tempImagePos++;
                guiStyle_item_SetSingleValue( ITEM_IMAGEPOSITIONADJUSTMENTITEM, tempImagePos, min, max );
            }                
            break;
            
        default:
            break; 
     }       

    return PASS;
}

int08 guiApp_action_ImagePositionMenu_Redraw( int16 menuId, GUIMSG *msg )
{
    guiApp_SetMenuPosition( menuId, GUI_BOTTOMCENTER );

    return PASS;   
}