Estructura SDL_WindowEvent

Una estructura que contiene datos de eventos de cambio de estado de la ventana.

typedef struct SDL_WindowEvent
{
    Uint32 type;        /**< ::SDL_WINDOWEVENT */
    Uint32 timestamp;   /**< In milliseconds, populated using SDL_GetTicks() */
    Uint32 windowID;    /**< The associated window */
    Uint8 event;        /**< ::SDL_WindowEventID */
    Uint8 padding1;
    Uint8 padding2;
    Uint8 padding3;
    Sint32 data1;       /**< event dependent data */
    Sint32 data2;       /**< event dependent data */
} SDL_WindowEvent;

Miembros

type

SDL_WINDOWEVENT

timestamp

Marca de tiempo en milisegundos.

windowID

La ventana asociada.

event

SDL_WindowEventID.

data1

Datos asociados con el evento.

data2

Datos asociados con el evento.

Observaciones

SDL_WindowEvent es un miembro de la unión SDL_Event y se utiliza cuando se reporta un evento de tipo SDL_WINDOWEVENT. Se accede a través del campo ventana del evento.

Ejemplo

void PrintEvent(const SDL_Event * event)
{
    if (event->type == SDL_WINDOWEVENT) {
        switch (event->window.event) {
        case SDL_WINDOWEVENT_SHOWN:
            SDL_Log("Window %d shown", event->window.windowID);
            break;
        case SDL_WINDOWEVENT_HIDDEN:
            SDL_Log("Window %d hidden", event->window.windowID);
            break;
        case SDL_WINDOWEVENT_EXPOSED:
            SDL_Log("Window %d exposed", event->window.windowID);
            break;
        case SDL_WINDOWEVENT_MOVED:
            SDL_Log("Window %d moved to %d,%d",
                    event->window.windowID, event->window.data1,
                    event->window.data2);
            break;
        case SDL_WINDOWEVENT_RESIZED:
            SDL_Log("Window %d resized to %dx%d",
                    event->window.windowID, event->window.data1,
                    event->window.data2);
            break;
        case SDL_WINDOWEVENT_SIZE_CHANGED:
            SDL_Log("Window %d size changed to %dx%d",
                    event->window.windowID, event->window.data1,
                    event->window.data2);
            break;
        case SDL_WINDOWEVENT_MINIMIZED:
            SDL_Log("Window %d minimized", event->window.windowID);
            break;
        case SDL_WINDOWEVENT_MAXIMIZED:
            SDL_Log("Window %d maximized", event->window.windowID);
            break;
        case SDL_WINDOWEVENT_RESTORED:
            SDL_Log("Window %d restored", event->window.windowID);
            break;
        case SDL_WINDOWEVENT_ENTER:
            SDL_Log("Mouse entered window %d",
                    event->window.windowID);
            break;
        case SDL_WINDOWEVENT_LEAVE:
            SDL_Log("Mouse left window %d", event->window.windowID);
            break;
        case SDL_WINDOWEVENT_FOCUS_GAINED:
            SDL_Log("Window %d gained keyboard focus",
                    event->window.windowID);
            break;
        case SDL_WINDOWEVENT_FOCUS_LOST:
            SDL_Log("Window %d lost keyboard focus",
                    event->window.windowID);
            break;
        case SDL_WINDOWEVENT_CLOSE:
            SDL_Log("Window %d closed", event->window.windowID);
            break;
#if SDL_VERSION_ATLEAST(2, 0, 5)
        case SDL_WINDOWEVENT_TAKE_FOCUS:
            SDL_Log("Window %d is offered a focus", event->window.windowID);
            break;
        case SDL_WINDOWEVENT_HIT_TEST:
            SDL_Log("Window %d has a special hit test", event->window.windowID);
            break;
#endif
        default:
            SDL_Log("Window %d got unknown event %d",
                    event->window.windowID, event->window.event);
            break;
        }
    }
}