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38 | ****************************************************************************/ |
39 | |
40 | #include "qwidgetanimator_p.h" |
41 | |
42 | #if QT_CONFIG(animation) |
43 | #include <QtCore/qpropertyanimation.h> |
44 | #endif |
45 | #include <QtWidgets/qwidget.h> |
46 | #include <QtWidgets/qstyle.h> |
47 | #if QT_CONFIG(mainwindow) |
48 | #include <private/qmainwindowlayout_p.h> |
49 | #endif |
50 | |
51 | QT_BEGIN_NAMESPACE |
52 | |
53 | QWidgetAnimator::QWidgetAnimator(QMainWindowLayout *layout) |
54 | #if QT_CONFIG(mainwindow) |
55 | : m_mainWindowLayout(layout) |
56 | #endif |
57 | { |
58 | Q_UNUSED(layout) |
59 | } |
60 | |
61 | void QWidgetAnimator::abort(QWidget *w) |
62 | { |
63 | #if QT_CONFIG(animation) |
64 | const auto it = m_animation_map.constFind(akey: w); |
65 | if (it == m_animation_map.cend()) |
66 | return; |
67 | QPropertyAnimation *anim = *it; |
68 | m_animation_map.erase(it); |
69 | if (anim) { |
70 | anim->stop(); |
71 | } |
72 | #if QT_CONFIG(mainwindow) |
73 | m_mainWindowLayout->animationFinished(widget: w); |
74 | #endif |
75 | #else |
76 | Q_UNUSED(w); //there is no animation to abort |
77 | #endif // animation |
78 | } |
79 | |
80 | #if QT_CONFIG(animation) |
81 | void QWidgetAnimator::animationFinished() |
82 | { |
83 | QPropertyAnimation *anim = qobject_cast<QPropertyAnimation*>(object: sender()); |
84 | abort(w: static_cast<QWidget*>(anim->targetObject())); |
85 | } |
86 | #endif // animation |
87 | |
88 | void QWidgetAnimator::animate(QWidget *widget, const QRect &_final_geometry, bool animate) |
89 | { |
90 | QRect r = widget->geometry(); |
91 | if (r.right() < 0 || r.bottom() < 0) |
92 | r = QRect(); |
93 | |
94 | animate = animate && !r.isNull() && !_final_geometry.isNull(); |
95 | |
96 | // might make the wigdet go away by sending it to negative space |
97 | const QRect final_geometry = _final_geometry.isValid() || widget->isWindow() ? _final_geometry : |
98 | QRect(QPoint(-500 - widget->width(), -500 - widget->height()), widget->size()); |
99 | |
100 | #if QT_CONFIG(animation) |
101 | //If the QStyle has animations, animate |
102 | if (const int animationDuration = widget->style()->styleHint(stylehint: QStyle::SH_Widget_Animation_Duration, opt: nullptr, widget)) { |
103 | AnimationMap::const_iterator it = m_animation_map.constFind(akey: widget); |
104 | if (it != m_animation_map.constEnd() && (*it)->endValue().toRect() == final_geometry) |
105 | return; |
106 | |
107 | QPropertyAnimation *anim = new QPropertyAnimation(widget, "geometry" , widget); |
108 | anim->setDuration(animate ? animationDuration : 0); |
109 | anim->setEasingCurve(QEasingCurve::InOutQuad); |
110 | anim->setEndValue(final_geometry); |
111 | m_animation_map[widget] = anim; |
112 | connect(asender: anim, SIGNAL(finished()), SLOT(animationFinished())); |
113 | anim->start(policy: QPropertyAnimation::DeleteWhenStopped); |
114 | } else |
115 | #endif // animation |
116 | { |
117 | //we do it in one shot |
118 | widget->setGeometry(final_geometry); |
119 | #if QT_CONFIG(mainwindow) |
120 | m_mainWindowLayout->animationFinished(widget); |
121 | #endif // QT_CONFIG(mainwindow) |
122 | } |
123 | } |
124 | |
125 | bool QWidgetAnimator::animating() const |
126 | { |
127 | return !m_animation_map.isEmpty(); |
128 | } |
129 | |
130 | QT_END_NAMESPACE |
131 | |
132 | #include "moc_qwidgetanimator_p.cpp" |
133 | |