diff options
Diffstat (limited to 'src/gui/widgets/qwidgetanimator.cpp')
| -rw-r--r-- | src/gui/widgets/qwidgetanimator.cpp | 164 |
1 files changed, 43 insertions, 121 deletions
diff --git a/src/gui/widgets/qwidgetanimator.cpp b/src/gui/widgets/qwidgetanimator.cpp index b5cf16a..beb6be2 100644 --- a/src/gui/widgets/qwidgetanimator.cpp +++ b/src/gui/widgets/qwidgetanimator.cpp @@ -39,158 +39,80 @@ ** ****************************************************************************/ -#include <QtCore/qtimer.h> -#include <QtCore/qdatetime.h> +#include <QtCore/qpropertyanimation.h> #include <QtGui/qwidget.h> -#include <QtGui/qtextedit.h> -#include <QtGui/private/qwidget_p.h> -#include <qdebug.h> +#include <QtGui/private/qmainwindowlayout_p.h> #include "qwidgetanimator_p.h" QT_BEGIN_NAMESPACE -static const int g_animation_steps = 12; -static const int g_animation_interval = 16; - -// 1000 * (x/(1 + x*x) + 0.5) on interval [-1, 1] -static const int g_animate_function[] = -{ - 0, 1, 5, 12, 23, 38, 58, 84, 116, 155, 199, 251, 307, 368, - 433, 500, 566, 631, 692, 748, 799, 844, 883, 915, 941, 961, - 976, 987, 994, 998, 1000 -}; -static const int g_animate_function_points = sizeof(g_animate_function)/sizeof(int); - -static inline int animateHelper(int start, int stop, int step, int steps) -{ - if (start == stop) - return start; - if (step == 0) - return start; - if (step == steps) - return stop; - - int x = g_animate_function_points*step/(steps + 1); - return start + g_animate_function[x]*(stop - start)/1000; -} - -QWidgetAnimator::QWidgetAnimator(QObject *parent) - : QObject(parent) +QWidgetAnimator::QWidgetAnimator(QMainWindowLayout *layout) : m_mainWindowLayout(layout) { - m_time = new QTime(); - m_timer = new QTimer(this); - m_timer->setInterval(g_animation_interval); - connect(m_timer, SIGNAL(timeout()), this, SLOT(animationStep())); } -QWidgetAnimator::~QWidgetAnimator() +void QWidgetAnimator::abort(QWidget *w) { - delete m_time; +#ifndef QT_NO_ANIMATION + AnimationMap::iterator it = m_animation_map.find(w); + if (it == m_animation_map.end()) + return; + QPropertyAnimation *anim = *it; + m_animation_map.erase(it); + anim->stop(); + m_mainWindowLayout->animationFinished(w); +#else + Q_UNUSED(w); //there is no animation to abort +#endif //QT_NO_ANIMATION } -void QWidgetAnimator::abort(QWidget *w) +#ifndef QT_NO_ANIMATION +void QWidgetAnimator::animationFinished() { - if (m_animation_map.remove(w) == 0) - return; - if (m_animation_map.isEmpty()) { - m_timer->stop(); - emit finishedAll(); - } + QPropertyAnimation *anim = qobject_cast<QPropertyAnimation*>(sender()); + abort(static_cast<QWidget*>(anim->targetObject())); } +#endif //QT_NO_ANIMATION void QWidgetAnimator::animate(QWidget *widget, const QRect &_final_geometry, bool animate) { - QRect final_geometry = _final_geometry; - QRect r = widget->geometry(); if (r.right() < 0 || r.bottom() < 0) r = QRect(); - if (r.isNull() || final_geometry.isNull()) - animate = false; + animate = animate && !r.isNull() && !_final_geometry.isNull(); - AnimationMap::const_iterator it = m_animation_map.constFind(widget); - if (it == m_animation_map.constEnd()) { - if (r == final_geometry) { - emit finished(widget); - return; - } - } else { - if ((*it).r2 == final_geometry) - return; - } - - if (animate) { - AnimationItem item(widget, r, final_geometry); - m_animation_map[widget] = item; - if (!m_timer->isActive()) { - m_timer->start(); - m_time->start(); - } - } else { - m_animation_map.remove(widget); - if (m_animation_map.isEmpty()) - m_timer->stop(); - - if (!final_geometry.isValid() && !widget->isWindow()) { - // Make the wigdet go away by sending it to negative space - QSize s = widget->size(); - final_geometry = QRect(-500 - s.width(), -500 - s.height(), s.width(), s.height()); - } - widget->setGeometry(final_geometry); - - emit finished(widget); - - if (m_animation_map.isEmpty()) - emit finishedAll(); + // might make the wigdet go away by sending it to negative space + const QRect final_geometry = _final_geometry.isValid() || widget->isWindow() ? _final_geometry : + QRect(QPoint(-500 - widget->width(), -500 - widget->height()), widget->size()); + if (r == final_geometry) + return; //the widget is already where it should be +#ifndef QT_NO_ANIMATION + AnimationMap::const_iterator it = m_animation_map.constFind(widget); + if (it != m_animation_map.constEnd() && (*it)->endValue().toRect() == final_geometry) return; - } -} - -void QWidgetAnimator::animationStep() -{ - int steps = (1 + m_time->restart())/g_animation_interval; - AnimationMap::iterator it = m_animation_map.begin(); - while (it != m_animation_map.end()) { - AnimationItem &item = *it; - - item.step = qMin(item.step + steps, g_animation_steps); - - int x = animateHelper(item.r1.left(), item.r2.left(), - item.step, g_animation_steps); - int y = animateHelper(item.r1.top(), item.r2.top(), - item.step, g_animation_steps); - int w = animateHelper(item.r1.width(), item.r2.width(), - item.step, g_animation_steps); - int h = animateHelper(item.r1.height(), item.r2.height(), - item.step, g_animation_steps); - - item.widget->setGeometry(x, y, w, h); - - if (item.step == g_animation_steps) { - emit finished(item.widget); - AnimationMap::iterator tmp = it; - ++it; - m_animation_map.erase(tmp); - } else { - ++it; - } - } - if (m_animation_map.isEmpty()) { - m_timer->stop(); - emit finishedAll(); - } + QPropertyAnimation *anim = new QPropertyAnimation(widget, "geometry"); + anim->setDuration(animate ? 200 : 0); + anim->setEasingCurve(QEasingCurve::InOutQuad); + anim->setEndValue(final_geometry); + m_animation_map[widget] = anim; + connect(anim, SIGNAL(finished()), SLOT(animationFinished())); + anim->start(QPropertyAnimation::DeleteWhenStopped); +#else + //we do it in one shot + widget->setGeometry(final_geometry); + m_mainWindowLayout->animationFinished(widget); +#endif //QT_NO_ANIMATION } bool QWidgetAnimator::animating() const { - return m_timer->isActive(); + return !m_animation_map.isEmpty(); } -bool QWidgetAnimator::animating(QWidget *widget) +bool QWidgetAnimator::animating(QWidget *widget) const { return m_animation_map.contains(widget); } |