本文整理了Java中com.badlogic.gdx.scenes.scene2d.Actor.getStage()方法的一些代码示例，展示了Actor.getStage()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Actor.getStage()方法的具体详情如下：
包路径：com.badlogic.gdx.scenes.scene2d.Actor
类名称：Actor
方法名：getStage

Actor.getStage介绍

[英]Returns the stage that this actor is currently in, or null if not in a stage.
[中]返回此参与者当前所在的阶段，如果不在阶段中，则返回null。

代码示例

代码示例来源：origin: libgdx/libgdx

/** Returns true if this actor is a listener actor for touch focus.
 * @see Stage#addTouchFocus(EventListener, Actor, Actor, int, int) */
public boolean isTouchFocusListener () {
  Stage stage = getStage();
  if (stage == null) return false;
  for (int i = 0, n = stage.touchFocuses.size; i < n; i++)
    if (stage.touchFocuses.get(i).listenerActor == this) return true;
  return false;
}

代码示例来源：origin: libgdx/libgdx

/** Returns true if this actor is the {@link Stage#getKeyboardFocus() keyboard focus} actor. */
public boolean hasKeyboardFocus () {
  Stage stage = getStage();
  return stage != null && stage.getKeyboardFocus() == this;
}

代码示例来源：origin: libgdx/libgdx

/** Returns true if this actor is the {@link Stage#getScrollFocus() scroll focus} actor. */
public boolean hasScrollFocus () {
  Stage stage = getStage();
  return stage != null && stage.getScrollFocus() == this;
}

代码示例来源：origin: libgdx/libgdx

/** Returns true if this actor is the {@link Stage#getKeyboardFocus() keyboard focus} actor. */
public boolean hasKeyboardFocus () {
  Stage stage = getStage();
  return stage != null && stage.getKeyboardFocus() == this;
}

代码示例来源：origin: libgdx/libgdx

public Target (Actor actor) {
  if (actor == null) throw new IllegalArgumentException("actor cannot be null.");
  this.actor = actor;
  Stage stage = actor.getStage();
  if (stage != null && actor == stage.getRoot())
    throw new IllegalArgumentException("The stage root cannot be a drag and drop target.");
}

代码示例来源：origin: libgdx/libgdx

/** Returns true if this actor is the {@link Stage#getScrollFocus() scroll focus} actor. */
public boolean hasScrollFocus () {
  Stage stage = getStage();
  return stage != null && stage.getScrollFocus() == this;
}

代码示例来源：origin: libgdx/libgdx

/** Returns true if this actor is a listener actor for touch focus.
 * @see Stage#addTouchFocus(EventListener, Actor, Actor, int, int) */
public boolean isTouchFocusListener () {
  Stage stage = getStage();
  if (stage == null) return false;
  for (int i = 0, n = stage.touchFocuses.size; i < n; i++)
    if (stage.touchFocuses.get(i).listenerActor == this) return true;
  return false;
}

代码示例来源：origin: libgdx/libgdx

/** Returns true if this actor is a target actor for touch focus.
 * @see Stage#addTouchFocus(EventListener, Actor, Actor, int, int) */
public boolean isTouchFocusTarget () {
  Stage stage = getStage();
  if (stage == null) return false;
  for (int i = 0, n = stage.touchFocuses.size; i < n; i++)
    if (stage.touchFocuses.get(i).target == this) return true;
  return false;
}

代码示例来源：origin: libgdx/libgdx

public Target (Actor actor) {
  if (actor == null) throw new IllegalArgumentException("actor cannot be null.");
  this.actor = actor;
  Stage stage = actor.getStage();
  if (stage != null && actor == stage.getRoot())
    throw new IllegalArgumentException("The stage root cannot be a drag and drop target.");
}

代码示例来源：origin: libgdx/libgdx

/** Returns true if this actor is a target actor for touch focus.
 * @see Stage#addTouchFocus(EventListener, Actor, Actor, int, int) */
public boolean isTouchFocusTarget () {
  Stage stage = getStage();
  if (stage == null) return false;
  for (int i = 0, n = stage.touchFocuses.size; i < n; i++)
    if (stage.touchFocuses.get(i).target == this) return true;
  return false;
}

代码示例来源：origin: libgdx/libgdx

public void act (float delta) {
    super.act(delta);
    if (targetActor != null && targetActor.getStage() == null) remove();
  }
};

代码示例来源：origin: libgdx/libgdx

public void act (float delta) {
    super.act(delta);
    if (targetActor != null && targetActor.getStage() == null) remove();
  }
};

代码示例来源：origin: libgdx/libgdx

/** Cancels the touch focus for everything except the specified source. */
public void cancelTouchFocusExcept (Source except) {
  DragListener listener = sourceListeners.get(except);
  if (listener == null) return;
  except.getActor().getStage().cancelTouchFocusExcept(listener, except.getActor());
}

代码示例来源：origin: libgdx/libgdx

/** Cancels the touch focus for everything except the specified source. */
public void cancelTouchFocusExcept (Source except) {
  DragListener listener = sourceListeners.get(except);
  if (listener == null) return;
  except.getActor().getStage().cancelTouchFocusExcept(listener, except.getActor());
}

代码示例来源：origin: libgdx/libgdx

public void dragStart (InputEvent event, float x, float y, int pointer) {
  if (activePointer != -1) {
    event.stop();
    return;
  }
  activePointer = pointer;
  dragStartTime = System.currentTimeMillis();
  dragSource = source;
  payload = source.dragStart(event, getTouchDownX(), getTouchDownY(), pointer);
  event.stop();
  if (cancelTouchFocus && payload != null) source.getActor().getStage().cancelTouchFocusExcept(this, source.getActor());
}

代码示例来源：origin: libgdx/libgdx

public void dragStart (InputEvent event, float x, float y, int pointer) {
  if (activePointer != -1) {
    event.stop();
    return;
  }
  activePointer = pointer;
  dragStartTime = System.currentTimeMillis();
  dragSource = source;
  payload = source.dragStart(event, getTouchDownX(), getTouchDownY(), pointer);
  event.stop();
  if (cancelTouchFocus && payload != null) source.getActor().getStage().cancelTouchFocusExcept(this, source.getActor());
}

代码示例来源：origin: libgdx/libgdx

public void run () {
    if (showTooltip == null || showTooltip.targetActor == null) return;
    Stage stage = showTooltip.targetActor.getStage();
    if (stage == null) return;
    stage.addActor(showTooltip.container);
    showTooltip.container.toFront();
    shown.add(showTooltip);
    showTooltip.container.clearActions();
    showAction(showTooltip);
    if (!showTooltip.instant) {
      time = subsequentTime;
      resetTask.cancel();
    }
  }
};

代码示例来源：origin: libgdx/libgdx

public void hide () {
  if (!list.isTouchable() || !hasParent()) return;
  list.setTouchable(Touchable.disabled);
  Stage stage = getStage();
  if (stage != null) {
    stage.removeCaptureListener(hideListener);
    stage.removeListener(list.getKeyListener());
    if (previousScrollFocus != null && previousScrollFocus.getStage() == null) previousScrollFocus = null;
    Actor actor = stage.getScrollFocus();
    if (actor == null || isAscendantOf(actor)) stage.setScrollFocus(previousScrollFocus);
  }
  clearActions();
  selectBox.onHide(this);
}

代码示例来源：origin: libgdx/libgdx

public void hide () {
  if (!list.isTouchable() || !hasParent()) return;
  list.setTouchable(Touchable.disabled);
  Stage stage = getStage();
  if (stage != null) {
    stage.removeCaptureListener(hideListener);
    stage.removeListener(list.getKeyListener());
    if (previousScrollFocus != null && previousScrollFocus.getStage() == null) previousScrollFocus = null;
    Actor actor = stage.getScrollFocus();
    if (actor == null || isAscendantOf(actor)) stage.setScrollFocus(previousScrollFocus);
  }
  clearActions();
  selectBox.onHide(this);
}

代码示例来源：origin: libgdx/libgdx

private void setContainerPosition (Actor actor, float x, float y) {
  this.targetActor = actor;
  Stage stage = actor.getStage();
  if (stage == null) return;
  container.pack();
  float offsetX = manager.offsetX, offsetY = manager.offsetY, dist = manager.edgeDistance;
  Vector2 point = actor.localToStageCoordinates(tmp.set(x + offsetX, y - offsetY - container.getHeight()));
  if (point.y < dist) point = actor.localToStageCoordinates(tmp.set(x + offsetX, y + offsetY));
  if (point.x < dist) point.x = dist;
  if (point.x + container.getWidth() > stage.getWidth() - dist) point.x = stage.getWidth() - dist - container.getWidth();
  if (point.y + container.getHeight() > stage.getHeight() - dist) point.y = stage.getHeight() - dist - container.getHeight();
  container.setPosition(point.x, point.y);
  point = actor.localToStageCoordinates(tmp.set(actor.getWidth() / 2, actor.getHeight() / 2));
  point.sub(container.getX(), container.getY());
  container.setOrigin(point.x, point.y);
}