guiapp_action_brightnessmenu.c

来自「IT projecotr reference design.」· C语言 代码 · 共 99 行

/*****************************************************************************
**             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 "eeprom.h"
#include "datapath.h"
#include "pictcont.h"
#include "guiApp.h"

int16 tempBrightness;

/* Initialize the items */
int08 guiApp_action_BrightnessMenu_OnStart( int16 menuId, GUIMSG *msg )
{
    int16 min, max;
    DP_SOURCEDESC *srcDesc;

    guiApp_SetMenuPosition( menuId, GUI_BOTTOMRIGHT );
    
    datapath_GetSourceDesc( &srcDesc );
    
    EE_GETVAR( UserMachine.ConnectorSettings[srcDesc->connector].Brightness, tempBrightness );
    pictcont_GetBrightnessLimits( &min, &max );
    tempBrightness = LMT( min, tempBrightness, max );   

    guiStyle_item_SetSingleValue( ITEM_BRIGHTNESSADJUSTMENTITEM, tempBrightness, min, max );
            
    return PASS;
}

int08 guiApp_action_BrightnessMenu_OnClose( int16 menuId )
{

    DP_SOURCEDESC *srcDesc;
    
    datapath_GetSourceDesc( &srcDesc );    
    EE_PUTVAR( UserMachine.ConnectorSettings[srcDesc->connector].Brightness, tempBrightness );
    
    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_BrightnessMenu_GuiMsg( int16 menuId, int16 itemId, GUIMSG *msg )
{
    int16 min, max;

    if( msg == NULL )
        return FAIL;

    pictcont_GetBrightnessLimits( &min, &max );

    switch( msg->type )
    {
        case GUIMSG_DEC:
            if( pictcont_SetBrightness( tempBrightness - 1 ) == PASS )
            {
                tempBrightness -= 1;
                guiStyle_item_SetSingleValue( ITEM_BRIGHTNESSADJUSTMENTITEM, tempBrightness, min, max );
                guiApp_SetDDCCISettingsChanged( TRUE );
            }
            break;
        
        case GUIMSG_INC:
            if( pictcont_SetBrightness( tempBrightness + 1 ) == PASS )
            {
                tempBrightness += 1;
                guiStyle_item_SetSingleValue( ITEM_BRIGHTNESSADJUSTMENTITEM, tempBrightness, min, max );
                guiApp_SetDDCCISettingsChanged( TRUE );
            }
            break;
            
        default:
            break;        
    }
             
    return PASS;
}

int08 guiApp_action_BrightnessMenu_Redraw( int16 menuId, GUIMSG *msg )
{
    guiApp_SetMenuPosition( menuId, GUI_BOTTOMRIGHT );

    return PASS;   
}