QSequentialAnimationGroup 類

QSequentialAnimationGroup 類提供一組連續動畫。 更多...

頭: #include <QSequentialAnimationGroup>
qmake: QT += core
Since: Qt 4.6
繼承: QAnimationGroup

該類在 Qt 4.6 引入。

特性

公共函數

QSequentialAnimationGroup (QObject * parent = nullptr)
virtual ~QSequentialAnimationGroup ()
QPauseAnimation * addPause (int msecs )
QAbstractAnimation * currentAnimation () const
QPauseAnimation * insertPause (int index , int msecs )

重實現公共函數

virtual int duration () const override

信號

void currentAnimationChanged (QAbstractAnimation * current )

重實現保護函數

virtual bool event (QEvent * event ) override
virtual void updateCurrentTime (int currentTime ) override
virtual void updateDirection (QAbstractAnimation::Direction direction ) override
virtual void updateState (QAbstractAnimation::State newState , QAbstractAnimation::State oldState ) override

詳細描述

QSequentialAnimationGroup is a QAnimationGroup that runs its animations in sequence, i.e., it starts one animation after another has finished playing. The animations are played in the order they are added to the group (using addAnimation() or insertAnimation() ). The animation group finishes when its last animation has finished.

At each moment there is at most one animation that is active in the group; it is returned by currentAnimation (). An empty group has no current animation.

A sequential animation group can be treated as any other animation, i.e., it can be started, stopped, and added to other groups. You can also call addPause () 或 insertPause () to add a pause to a sequential animation group.

    QSequentialAnimationGroup *group = new QSequentialAnimationGroup;
    group->addAnimation(anim1);
    group->addAnimation(anim2);
    group->start();
					

在此範例中, anim1 and anim2 are two already set up QPropertyAnimation

另請參閱 QAnimationGroup , QAbstractAnimation ,和 動畫框架 .

特性文檔編製

currentAnimation : QAbstractAnimation * const

Returns the animation in the current time.

訪問函數:

QAbstractAnimation * currentAnimation () const

通知程序信號:

void currentAnimationChanged (QAbstractAnimation * current )

成員函數文檔編製

QSequentialAnimationGroup:: QSequentialAnimationGroup ( QObject * parent = nullptr)

Constructs a QSequentialAnimationGroup. parent 被傳遞給 QObject 的構造函數。

[signal] void QSequentialAnimationGroup:: currentAnimationChanged ( QAbstractAnimation * current )

QSequentialAnimationGroup emits this signal when currentAnimation 已改變。 current is the current animation.

注意: 通知程序信號對於特性 currentAnimation .

另請參閱 currentAnimation ().

[虛擬] QSequentialAnimationGroup:: ~QSequentialAnimationGroup ()

Destroys the animation group. It will also destroy all its animations.

QPauseAnimation *QSequentialAnimationGroup:: addPause ( int msecs )

Adds a pause of msecs to this animation group. The pause is considered as a special type of animation, thus animationCount will be increased by one.

另請參閱 insertPause () 和 QAnimationGroup::addAnimation ().

[override virtual] int QSequentialAnimationGroup:: duration () const

重實現: QAbstractAnimation::duration () const.

[override virtual protected] bool QSequentialAnimationGroup:: event ( QEvent * event )

重實現: QAnimationGroup::event (QEvent *event).

QPauseAnimation *QSequentialAnimationGroup:: insertPause ( int index , int msecs )

Inserts a pause of msecs milliseconds at index in this animation group.

另請參閱 addPause () 和 QAnimationGroup::insertAnimation ().

[override virtual protected] void QSequentialAnimationGroup:: updateCurrentTime ( int currentTime )

重實現: QAbstractAnimation::updateCurrentTime (int currentTime).

[override virtual protected] void QSequentialAnimationGroup:: updateDirection ( QAbstractAnimation::Direction direction )

重實現: QAbstractAnimation::updateDirection (QAbstractAnimation::Direction direction).

[override virtual protected] void QSequentialAnimationGroup:: updateState ( QAbstractAnimation::State newState , QAbstractAnimation::State oldState )

重實現: QAbstractAnimation::updateState (QAbstractAnimation::State newState, QAbstractAnimation::State oldState).