Applied formatting & added GetWait().
- GetWait waits for an event in a blocking way.
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@ -4,137 +4,143 @@ package allegro5
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import "C"
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import (
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"fmt"
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"unsafe"
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"fmt"
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"unsafe"
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)
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type EventQueue struct {
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queue *C.ALLEGRO_EVENT_QUEUE
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queue *C.ALLEGRO_EVENT_QUEUE
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}
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type Event interface {
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Stamp() float64
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Stamp() float64
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}
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type EventBase struct {
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stamp float64
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stamp float64
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}
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func (eb EventBase) Stamp() float64 {
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return eb.stamp
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return eb.stamp
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}
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type DisplayCloseEvent struct {
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EventBase
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EventBase
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}
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type KeyEvent struct {
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EventBase
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KeyCode int
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Display *Display
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EventBase
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KeyCode int
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Display *Display
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}
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type KeyCharEvent struct {
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KeyEvent
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UnicodeCharacter rune
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Modifiers uint
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Repeat bool
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KeyEvent
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UnicodeCharacter rune
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Modifiers uint
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Repeat bool
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}
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type KeyDownEvent struct {
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KeyEvent
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KeyEvent
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}
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type KeyUpEvent struct {
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KeyEvent
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KeyEvent
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}
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type MouseButtonDownEvent struct {
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MouseEvent
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Button uint
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Pressure float32
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MouseEvent
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Button uint
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Pressure float32
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}
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type MouseButtonUpEvent struct {
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MouseEvent
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Button uint
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Pressure float32
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MouseEvent
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Button uint
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Pressure float32
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}
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type MouseEvent struct {
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EventBase
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X, Y int
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Z, W int
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Display *Display
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EventBase
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X, Y int
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Z, W int
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Display *Display
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}
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type MouseMoveEvent struct {
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MouseEvent
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DeltaX, DeltaY int
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DeltaZ, DeltaW int
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Pressure float32
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MouseEvent
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DeltaX, DeltaY int
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DeltaZ, DeltaW int
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Pressure float32
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}
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func NewEventQueue() (*EventQueue, error) {
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q := C.al_create_event_queue()
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if nil == q {
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return nil, fmt.Errorf("Unable to create event queue")
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}
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return &EventQueue{q}, nil
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q := C.al_create_event_queue()
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if nil == q {
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return nil, fmt.Errorf("Unable to create event queue")
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}
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return &EventQueue{q}, nil
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}
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func (eq *EventQueue) register(source *C.ALLEGRO_EVENT_SOURCE) {
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C.al_register_event_source(eq.queue, source)
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C.al_register_event_source(eq.queue, source)
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}
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func (eq *EventQueue) RegisterDisplay(d *Display) {
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eq.register(C.al_get_display_event_source(d.display))
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eq.register(C.al_get_display_event_source(d.display))
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}
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func (eq *EventQueue) RegisterMouse() {
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eq.register(C.al_get_mouse_event_source())
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eq.register(C.al_get_mouse_event_source())
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}
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func (eq *EventQueue) RegisterKeyboard() {
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eq.register(C.al_get_keyboard_event_source())
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eq.register(C.al_get_keyboard_event_source())
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}
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func (eq *EventQueue) mapEvent(e *C.ALLEGRO_EVENT) Event {
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any := (*C.ALLEGRO_ANY_EVENT)(unsafe.Pointer(e))
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eb := EventBase{float64(any.timestamp)}
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switch any._type {
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case C.ALLEGRO_EVENT_DISPLAY_CLOSE:
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return &DisplayCloseEvent{EventBase{float64(any.timestamp)}}
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case C.ALLEGRO_EVENT_MOUSE_AXES:
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mouse := (*C.ALLEGRO_MOUSE_EVENT)(unsafe.Pointer(e))
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return &MouseMoveEvent{MouseEvent{eb, int(mouse.x), int(mouse.y), int(mouse.z), int(mouse.w), nil}, int(mouse.dx), int(mouse.dy), int(mouse.dz), int(mouse.dw), float32(mouse.pressure)}
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case C.ALLEGRO_EVENT_MOUSE_BUTTON_DOWN:
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mouse := (*C.ALLEGRO_MOUSE_EVENT)(unsafe.Pointer(e))
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return &MouseButtonDownEvent{MouseEvent{eb, int(mouse.x), int(mouse.y), int(mouse.z), int(mouse.w), nil}, uint(mouse.button), float32(mouse.pressure)}
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case C.ALLEGRO_EVENT_MOUSE_BUTTON_UP:
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mouse := (*C.ALLEGRO_MOUSE_EVENT)(unsafe.Pointer(e))
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return &MouseButtonUpEvent{MouseEvent{eb, int(mouse.x), int(mouse.y), int(mouse.z), int(mouse.w), nil}, uint(mouse.button), float32(mouse.pressure)}
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case C.ALLEGRO_EVENT_KEY_DOWN:
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key := (*C.ALLEGRO_KEYBOARD_EVENT)(unsafe.Pointer(e))
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return &KeyDownEvent{KeyEvent{eb, int(key.keycode), nil}}
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case C.ALLEGRO_EVENT_KEY_UP:
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key := (*C.ALLEGRO_KEYBOARD_EVENT)(unsafe.Pointer(e))
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return &KeyUpEvent{KeyEvent{eb, int(key.keycode), nil}}
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case C.ALLEGRO_EVENT_KEY_CHAR:
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key := (*C.ALLEGRO_KEYBOARD_EVENT)(unsafe.Pointer(e))
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return &KeyCharEvent{KeyEvent{eb, int(key.keycode), nil}, rune(key.unichar), uint(key.modifiers), bool(key.repeat)}
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}
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return nil
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any := (*C.ALLEGRO_ANY_EVENT)(unsafe.Pointer(e))
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eb := EventBase{float64(any.timestamp)}
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switch any._type {
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case C.ALLEGRO_EVENT_DISPLAY_CLOSE:
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return &DisplayCloseEvent{EventBase{float64(any.timestamp)}}
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case C.ALLEGRO_EVENT_MOUSE_AXES:
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mouse := (*C.ALLEGRO_MOUSE_EVENT)(unsafe.Pointer(e))
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return &MouseMoveEvent{MouseEvent{eb, int(mouse.x), int(mouse.y), int(mouse.z), int(mouse.w), nil}, int(mouse.dx), int(mouse.dy), int(mouse.dz), int(mouse.dw), float32(mouse.pressure)}
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case C.ALLEGRO_EVENT_MOUSE_BUTTON_DOWN:
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mouse := (*C.ALLEGRO_MOUSE_EVENT)(unsafe.Pointer(e))
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return &MouseButtonDownEvent{MouseEvent{eb, int(mouse.x), int(mouse.y), int(mouse.z), int(mouse.w), nil}, uint(mouse.button), float32(mouse.pressure)}
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case C.ALLEGRO_EVENT_MOUSE_BUTTON_UP:
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mouse := (*C.ALLEGRO_MOUSE_EVENT)(unsafe.Pointer(e))
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return &MouseButtonUpEvent{MouseEvent{eb, int(mouse.x), int(mouse.y), int(mouse.z), int(mouse.w), nil}, uint(mouse.button), float32(mouse.pressure)}
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case C.ALLEGRO_EVENT_KEY_DOWN:
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key := (*C.ALLEGRO_KEYBOARD_EVENT)(unsafe.Pointer(e))
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return &KeyDownEvent{KeyEvent{eb, int(key.keycode), nil}}
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case C.ALLEGRO_EVENT_KEY_UP:
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key := (*C.ALLEGRO_KEYBOARD_EVENT)(unsafe.Pointer(e))
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return &KeyUpEvent{KeyEvent{eb, int(key.keycode), nil}}
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case C.ALLEGRO_EVENT_KEY_CHAR:
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key := (*C.ALLEGRO_KEYBOARD_EVENT)(unsafe.Pointer(e))
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return &KeyCharEvent{KeyEvent{eb, int(key.keycode), nil}, rune(key.unichar), uint(key.modifiers), bool(key.repeat)}
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}
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return nil
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}
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func (eq *EventQueue) Get() Event {
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var event C.ALLEGRO_EVENT
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if !bool(C.al_get_next_event(eq.queue, &event)) {
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return nil
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}
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return eq.mapEvent(&event)
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var event C.ALLEGRO_EVENT
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if !bool(C.al_get_next_event(eq.queue, &event)) {
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return nil
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}
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return eq.mapEvent(&event)
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}
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func (eq *EventQueue) GetWait() Event {
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var event C.ALLEGRO_EVENT
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C.al_wait_for_event(eq.queue, &event)
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return eq.mapEvent(&event)
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}
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func (eq *EventQueue) Destroy() {
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C.al_destroy_event_queue(eq.queue)
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}
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C.al_destroy_event_queue(eq.queue)
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}
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