guistyle_menu_verticalmain.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 "osd.h"
#include "guiStyle_sub.h"

/* This function initializes the menu according to the menu style */
int08 guiStyle_menu_VerticalMain_OnStart( GUI_OPEN_MENU *menu, GUIMSG *msg )
{
    uint08 window;
    GUIMSG msg2;

    if( menu == NULL )
        return FAIL;

    if( menu->itemId == OSD_ERR_ID_INVALID )
    {
        /* set the focus on the first item */
        menu->itemId = guiStyle_sub_GetFirstItem( menu->menuId, menu->hiddenItemList );
    }
    
    /* call any menu specific initialization */
    gui_AppAction_OnStart( menu->menuId, msg );

    /* highlight the first item */
    if( menu->itemId != OSD_ERR_ID_INVALID )
    {
        if( gui_AppAction_GetHighlightWindow( menu->menuId, &window ) != PASS )
        {
            window = OSD_ERR_WINNUM_INVALID;
        }
        guiStyle_item_Highlight( menu->itemId, window, TRUE );
        msg2.type = GUIMSG_CHANGEITEMFOCUS;
        msg2.data = NULL;
        gui_AppAction_GuiMsg( menu->menuId, menu->itemId, &msg2 );
    }
    return PASS;
}

/* This function takes the menu's current state (selected item, etc) and refreshes the
 * OSD item display */
int08 guiStyle_menu_VerticalMain_Redraw( GUI_OPEN_MENU *menu )
{
    if( menu == NULL )
        return FAIL;

    /* call any menu specific redraw */
    gui_AppAction_Redraw( menu->menuId, NULL );

    return PASS;
}

/* implement navigation for UP, DOWN, RIGHT, and SELECT */
int08 guiStyle_menu_VerticalMain_GuiMsg( GUI_OPEN_MENU *menu, GUIMSG *msg )
{
    int16 newId;
    uint08 window;

    if( msg == NULL || menu == NULL )
        return FAIL;

    switch( msg->type )
    {           
        case GUIMSG_UP:
            newId = guiStyle_sub_GetPreviousItem( menu->itemId, menu->hiddenItemList, TRUE );
            
            if( newId != OSD_ERR_ID_INVALID )
            {
                if( gui_AppAction_GetHighlightWindow( menu->menuId, &window ) != PASS )
                {
                    window = OSD_ERR_WINNUM_INVALID;
                }
                guiStyle_item_Highlight( menu->itemId, window, FALSE );
                guiStyle_item_Highlight( newId, window, TRUE );
                
                menu->itemId = newId;
                
                msg->type = GUIMSG_CHANGEITEMFOCUS;
                msg->data = NULL;
                gui_AppAction_GuiMsg( menu->menuId, menu->itemId, msg );
            }
            break;
            
        case GUIMSG_DOWN:
            newId = guiStyle_sub_GetNextItem( menu->itemId, menu->hiddenItemList, TRUE );
            
            if( newId != OSD_ERR_ID_INVALID )
            {
                if( gui_AppAction_GetHighlightWindow( menu->menuId, &window ) != PASS )
                {
                    window = OSD_ERR_WINNUM_INVALID;
                }
                guiStyle_item_Highlight( menu->itemId, window, FALSE );
                guiStyle_item_Highlight( newId, window, TRUE );

                menu->itemId = newId;
                
                msg->type = GUIMSG_CHANGEITEMFOCUS;
                msg->data = NULL;
                gui_AppAction_GuiMsg( menu->menuId, menu->itemId, msg );
            }
            break;
        
        case GUIMSG_RIGHT:        
        case GUIMSG_SELECT:     
            newId = OSD_GetChildMenuID( menu->itemId );
            
            /* start the new menu */
            if( newId != OSD_ERR_ID_INVALID )
                guiStyle_StartMenu( newId, 0 );
            break;
            
        case GUIMSG_LEFT:       
        case GUIMSG_STRING:
        case GUIMSG_VALUE:
        default:
            guiStyle_item_GuiMsg( menu, msg );
            break;
    }
    return PASS;   
}

int08 guiStyle_menu_VerticalMain_HideItem( GUI_OPEN_MENU *menu, int16 itemId, BOOL hide )
{
    int16 nextItemId;

    if( hide != TRUE )
        return FALSE;
        
    if( itemId == menu->itemId )
    {
        /* set the focus on the next item */
        nextItemId = guiStyle_sub_GetNextItem( menu->itemId, menu->hiddenItemList, TRUE );
    }    
    
    if( OSD_DisableItemDisplay(itemId) != PASS )
       return FAIL;
    
    if( itemId == menu->itemId )
    {
        menu->itemId = nextItemId;
    }
    
    return PASS;
}