guiapp_action_keystonemenu.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 "eeprom.h"
#include "datapath.h"
#include "dispfmt.h"
#include "guiApp.h"

int16 tempPitch;  // save keystone value during user adjustment
/* Initialize the items */
int08 guiApp_action_KeystoneMenu_OnStart( int16 menuId, GUIMSG *msg )
{
    int16 min, max;
    
    guiApp_SetMenuPosition( menuId, GUI_BOTTOMCENTER );
#if 0    
    /* place the menu in the bottom-center of the screen */
    if( OSD_GetMenuSize( menuId, &height, &width ) == PASS && OSD_GetActiveRegion(&display) == PASS )
    {
        OSD_SetMenuPos( menuId, display.Bottom - height,
                                display.Left + (display.Right-display.Left)/2 - width/2 );
    }
#endif    
    EE_GETVAR( UserMachine.Projector.KeystonePitch, tempPitch );
    dispfmt_GetKeystoneAnglePitchLimits( &min, &max );
    tempPitch = LMT( min >> 8, tempPitch, max >> 8 );   
    
    guiStyle_item_SetSingleValue( ITEM_KEYSTONEADJUSTMENTITEM, tempPitch, min >> 8, max >> 8 );
            
    return PASS;
}

int08 guiApp_action_KeystoneMenu_OnClose( int16 menuId )
{
    
    EE_PUTVAR( UserMachine.Projector.KeystonePitch, tempPitch );

    return PASS;
}



/* implement item behavior, system interaction */
/* Note!!! The item style of the first item (ITEM_1DFEATUREITEM) in this menu must use guiStyle_item_Generic_GuiMsg */
/* guiStyle_item_Generic_GuiMsg converts LEFT, RIGHT, UP, DOWN into DEC, INC, DEC_Y, and INC_Y */
int08 guiApp_action_KeystoneMenu_GuiMsg( int16 menuId, int16 itemId, GUIMSG *msg )
{
    int16 min, max;

    if( msg == NULL )
        return FAIL;

   

    switch( msg->type )
    {
        case GUIMSG_DEC:
            if( datapath_UserSetKeystoneAnglePitch( (tempPitch - 1) << 8 ) == PASS )
            {
                tempPitch--;
                dispfmt_GetKeystoneAnglePitchLimits( &min, &max );
                guiStyle_item_SetSingleValue( ITEM_KEYSTONEADJUSTMENTITEM, tempPitch, min >> 8, max >> 8 );
            }                
            break;
        
        case GUIMSG_INC:
            if( datapath_UserSetKeystoneAnglePitch( (tempPitch + 1) << 8 ) == PASS )
            {
                tempPitch++;
                dispfmt_GetKeystoneAnglePitchLimits( &min, &max );
                guiStyle_item_SetSingleValue( ITEM_KEYSTONEADJUSTMENTITEM, tempPitch, min >> 8, max >> 8 );
            }                
            break;
            
        default:
            break;        
    }
             
    return PASS;
}

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

    return PASS;   
}