1 | // Copyright (C) 2016 The Qt Company Ltd. |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | |
4 | #include "qwidgetanimator_p.h" |
5 | |
6 | #if QT_CONFIG(animation) |
7 | #include <QtCore/qpropertyanimation.h> |
8 | #endif |
9 | #include <QtWidgets/qwidget.h> |
10 | #include <QtWidgets/qstyle.h> |
11 | #if QT_CONFIG(mainwindow) |
12 | #include <private/qmainwindowlayout_p.h> |
13 | #endif |
14 | |
15 | QT_BEGIN_NAMESPACE |
16 | |
17 | QWidgetAnimator::QWidgetAnimator(QMainWindowLayout *layout) |
18 | #if QT_CONFIG(mainwindow) |
19 | : m_mainWindowLayout(layout) |
20 | #endif |
21 | { |
22 | Q_UNUSED(layout); |
23 | } |
24 | |
25 | void QWidgetAnimator::abort(QWidget *w) |
26 | { |
27 | #if QT_CONFIG(animation) |
28 | const auto it = m_animation_map.constFind(key: w); |
29 | if (it == m_animation_map.cend()) |
30 | return; |
31 | QPropertyAnimation *anim = *it; |
32 | m_animation_map.erase(it); |
33 | if (anim) { |
34 | anim->stop(); |
35 | } |
36 | #if QT_CONFIG(mainwindow) |
37 | m_mainWindowLayout->animationFinished(widget: w); |
38 | #endif |
39 | #else |
40 | Q_UNUSED(w); //there is no animation to abort |
41 | #endif // animation |
42 | } |
43 | |
44 | #if QT_CONFIG(animation) |
45 | void QWidgetAnimator::animationFinished() |
46 | { |
47 | QPropertyAnimation *anim = qobject_cast<QPropertyAnimation*>(object: sender()); |
48 | abort(w: static_cast<QWidget*>(anim->targetObject())); |
49 | } |
50 | #endif // animation |
51 | |
52 | void QWidgetAnimator::animate(QWidget *widget, const QRect &_final_geometry, bool animate) |
53 | { |
54 | QRect r = widget->geometry(); |
55 | if (r.right() < 0 || r.bottom() < 0) |
56 | r = QRect(); |
57 | |
58 | animate = animate && !r.isNull() && !_final_geometry.isNull(); |
59 | |
60 | // might make the widget go away by sending it to negative space |
61 | const QRect final_geometry = _final_geometry.isValid() || widget->isWindow() ? _final_geometry : |
62 | QRect(QPoint(-500 - widget->width(), -500 - widget->height()), widget->size()); |
63 | |
64 | #if QT_CONFIG(animation) |
65 | //If the QStyle has animations, animate |
66 | if (const int animationDuration = widget->style()->styleHint(stylehint: QStyle::SH_Widget_Animation_Duration, opt: nullptr, widget)) { |
67 | AnimationMap::const_iterator it = m_animation_map.constFind(key: widget); |
68 | if (it != m_animation_map.constEnd() && (*it)->endValue().toRect() == final_geometry) |
69 | return; |
70 | |
71 | QPropertyAnimation *anim = new QPropertyAnimation(widget, "geometry" , widget); |
72 | anim->setDuration(animate ? animationDuration : 0); |
73 | anim->setEasingCurve(QEasingCurve::InOutQuad); |
74 | anim->setEndValue(final_geometry); |
75 | m_animation_map[widget] = anim; |
76 | connect(asender: anim, SIGNAL(finished()), SLOT(animationFinished())); |
77 | anim->start(policy: QPropertyAnimation::DeleteWhenStopped); |
78 | } else |
79 | #endif // animation |
80 | { |
81 | //we do it in one shot |
82 | widget->setGeometry(final_geometry); |
83 | #if QT_CONFIG(mainwindow) |
84 | m_mainWindowLayout->animationFinished(widget); |
85 | #endif // QT_CONFIG(mainwindow) |
86 | } |
87 | } |
88 | |
89 | bool QWidgetAnimator::animating() const |
90 | { |
91 | return !m_animation_map.isEmpty(); |
92 | } |
93 | |
94 | QT_END_NAMESPACE |
95 | |
96 | #include "moc_qwidgetanimator_p.cpp" |
97 | |