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Sample: SDK.Fuel_Selector.cpp

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//Copyright (c) Microsoft Corporation.  All rights reserved.
// SDK.Fuel_Selector.c

//    Set up gauge header
char fuel_selector_gauge_name[]        = GAUGE_NAME;
extern PELEMENT_HEADER            fuel_selector_list;
extern MOUSERECT                fuel_selector_mouse_rect[];

GAUGE_HEADER_FS700(GAUGE_W, fuel_selector_gauge_name, &fuel;_selector_list,
                        fuel_selector_mouse_rect, 0, 0, 0, 0);


/////////////////////////////////////////////////////////////////////////////
FLOAT64 FSAPI    fuel_selector_icon_cb( PELEMENT_ICON pelement )
{
    switch (pelement->source_var.var_value.e)
    {
        case FUEL_TANK_SELECTOR_OFF:        
            return 0;

        case FUEL_TANK_SELECTOR_LEFT:
            return 1;

        case FUEL_TANK_SELECTOR_ALL:            
            return 2;

        case FUEL_TANK_SELECTOR_RIGHT:    
            return 3;

        default:
            return 2;
    }
}

MAKE_ICON
(        
    fuel_selector_icon,
    BMP_FUEL_SELECTOR_OFF,
    NULL,
    NULL,
    IMAGE_USE_ERASE | IMAGE_USE_TRANSPARENCY,
    0,
    0,0,

    FUEL_TANK_SELECTOR,fuel_selector_icon_cb,

    ICON_SWITCH_TYPE_STEP_TO,
    4,
    0,
    0
)

PELEMENT_HEADER        fuel_selector_icon_list[] =
{
    &fuel;_selector_icon.header,
    NULL
};


/////////////////////////////////////////////////////////////////////////////
MAKE_STATIC
(
    fuel_selector_background,
    BMP_FUEL_SELECTOR_OFF,
    fuel_selector_icon_list,
    NULL,
    IMAGE_USE_TRANSPARENCY  | IMAGE_NO_STATIC_BLENDING,
    0,
    0,
    0
)

PELEMENT_HEADER        fuel_selector_list    = &fuel;_selector_background.header;


/////////////////////////////////////////////////////////////////////////////
MODULE_VAR        fuel_selector_mouse_var    = {FUEL_TANK_SELECTOR};

BOOL FSAPI    fuel_selector_mouse_cb( PPIXPOINT relative_point, FLAGS32 mouse_flags )
{
    lookup_var( &fuel;_selector_mouse_var);

    switch (fuel_selector_mouse_var.var_value.e)
    {
        case FUEL_TANK_SELECTOR_LEFT:
            trigger_key_event( KEY_FUEL_SELECTOR_ALL, 0 );            
            break;

        case FUEL_TANK_SELECTOR_ALL:
            trigger_key_event( KEY_FUEL_SELECTOR_RIGHT, 0 );
            break;

        case FUEL_TANK_SELECTOR_RIGHT:    
            trigger_key_event( KEY_FUEL_SELECTOR_OFF, 0 );
            break;

        case FUEL_TANK_SELECTOR_OFF:    
            trigger_key_event( KEY_FUEL_SELECTOR_LEFT, 0 );
            break;

        default:        
            trigger_key_event( KEY_FUEL_SELECTOR_ALL, 0 );
            break;
    }

    return TRUE;
}

MOUSE_BEGIN( fuel_selector_mouse_rect, HELPID_GAUGE_FUEL_SELECTOR, 0, 0 )
    MOUSE_CHILD_FUNCT( 0,0,39,48, CURSOR_HAND, MOUSE_LEFTSINGLE, fuel_selector_mouse_cb )
MOUSE_END


/////////////////////////////////////////////////////////////////////////////
#undef GAUGE_NAME
#undef GAUGEHDR_VAR_NAME
#undef GAUGE_W