diff options
Diffstat (limited to 'examples/animation/padnavigator-ng/panel.cpp')
| -rw-r--r-- | examples/animation/padnavigator-ng/panel.cpp | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/examples/animation/padnavigator-ng/panel.cpp b/examples/animation/padnavigator-ng/panel.cpp new file mode 100644 index 0000000..94dbdec --- /dev/null +++ b/examples/animation/padnavigator-ng/panel.cpp @@ -0,0 +1,216 @@ +/**************************************************************************** +** +** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the $MODULE$ of the Qt Toolkit. +** +** $TROLLTECH_DUAL_LICENSE$ +** +****************************************************************************/ + +#include "panel.h" +#include "roundrectitem.h" +#include "splashitem.h" +#include "ui_backside.h" + +#ifndef QT_NO_OPENGL +#include <QtOpenGL/QtOpenGL> +#else +#endif +#include <QtGui/QtGui> + +Panel::Panel(int width, int height) + : selectedIndex(0), + grid(width*height), + width(width), + height(height), + flipped(false), + flippingGroup(0), + rotationXanim(0), + rotationYanim(0) +{ + setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); + setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff); + setCacheMode(CacheBackground); + setViewportUpdateMode(FullViewportUpdate); + setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform); + setBackgroundBrush(QPixmap(":/images/blue_angle_swirl.jpg")); +#ifndef QT_NO_OPENGL + setViewport(new QGLWidget(QGLFormat(QGL::SampleBuffers))); +#endif + + QRectF bounds((-width / 2.0) * 150, (-height / 2.0) * 150, width * 150, height * 150); + + setScene(new QGraphicsScene(bounds, this)); + + baseItem = new RoundRectItem(bounds, QColor(226, 255, 92, 64)); + scene()->addItem(baseItem); + + QWidget *embed = new QWidget; + ui = new Ui_BackSide; + ui->setupUi(embed); + ui->hostName->setFocus(); + + backItem = new RoundRectItem(bounds, embed->palette().window(), embed); + backItem->setYRotation(180); + backItem->setParentItem(baseItem); + + selectionItem = new RoundRectItem(QRectF(-60, -60, 120, 120), Qt::gray); + selectionItem->setParentItem(baseItem); + selectionItem->setZValue(-1); + selectionItem->setPos(posForLocation(0)); + + int currentIndex = 0; + for (int y = 0; y < height; ++y) { + for (int x = 0; x < width; ++x) { + RoundRectItem *item = new RoundRectItem(QRectF(-54, -54, 108, 108), + QColor(214, 240, 110, 128)); + item->setPos(posForLocation(currentIndex)); + + item->setParentItem(baseItem); + item->setFlag(QGraphicsItem::ItemIsFocusable); + grid[currentIndex++] = item; + + switch (qrand() % 9) { + case 0: item->setPixmap(QPixmap(":/images/kontact_contacts.png")); break; + case 1: item->setPixmap(QPixmap(":/images/kontact_journal.png")); break; + case 2: item->setPixmap(QPixmap(":/images/kontact_notes.png")); break; + case 3: item->setPixmap(QPixmap(":/images/kopeteavailable.png")); break; + case 4: item->setPixmap(QPixmap(":/images/metacontact_online.png")); break; + case 5: item->setPixmap(QPixmap(":/images/minitools.png")); break; + case 6: item->setPixmap(QPixmap(":/images/kontact_journal.png")); break; + case 7: item->setPixmap(QPixmap(":/images/kontact_contacts.png")); break; + case 8: item->setPixmap(QPixmap(":/images/kopeteavailable.png")); break; + default: + break; + } + + connect(item, SIGNAL(activated()), this, SLOT(flip())); + } + } + + grid.first()->setFocus(); + + connect(backItem, SIGNAL(activated()), + this, SLOT(flip())); + + splash = new SplashItem; + splash->setZValue(5); + splash->setPos(-splash->rect().width() / 2, scene()->sceneRect().top()); + scene()->addItem(splash); + + splash->grabKeyboard(); + + //initialize the position + baseItem->setYRotation(selectionItem->x()/6.); + baseItem->setXRotation(selectionItem->y()/6.); + + setWindowTitle(tr("Pad Navigator Example")); +} + +Panel::~Panel() +{ +} + +void Panel::keyPressEvent(QKeyEvent *event) +{ + if (splash->isVisible() || event->key() == Qt::Key_Return || flipped) { + QGraphicsView::keyPressEvent(event); + return; + } + + selectedIndex = (selectedIndex + grid.count() + (event->key() == Qt::Key_Right) - (event->key() == Qt::Key_Left) + + width * ((event->key() == Qt::Key_Down) - (event->key() == Qt::Key_Up))) % grid.count(); + grid[selectedIndex]->setFocus(); + + const QPointF pos = posForLocation(selectedIndex); + + const double angleY = pos.x() / 6., + angleX = pos.y() / 6.; + + QAnimationGroup *group = new QParallelAnimationGroup(); + + QVariantAnimation *anim = new QPropertyAnimation(baseItem, "xRotation"); + anim->setEndValue(angleX); + anim->setDuration(150); + anim->setEasingCurve(QEasingCurve::OutInSine); + group->addAnimation(anim); + + anim = new QPropertyAnimation(baseItem, "yRotation"); + anim->setEndValue(angleY); + anim->setDuration(150); + anim->setEasingCurve(QEasingCurve::OutInSine); + group->addAnimation(anim); + + anim = new QPropertyAnimation(selectionItem, "pos"); + anim->setEndValue(pos); + anim->setDuration(150); + anim->setEasingCurve(QEasingCurve::Linear); + group->addAnimation(anim); + + group->start(QAbstractAnimation::DeleteWhenStopped); +} + +void Panel::resizeEvent(QResizeEvent *event) +{ + QGraphicsView::resizeEvent(event); + fitInView(scene()->sceneRect(), Qt::KeepAspectRatio); +} + +void Panel::flip() +{ + grid[selectedIndex]->setFocus(); + + if (flippingGroup == 0) { + flippingGroup = new QParallelAnimationGroup(this); + + const qreal zoomOut = qreal(.75); + + //slight scaling down while flipping + QVariantAnimation *anim = new QPropertyAnimation(baseItem, "yScale"); + anim->setKeyValueAt(qreal(.5), zoomOut); + anim->setEndValue(1); + anim->setEasingCurve(QEasingCurve::OutInSine); + anim->setDuration(500); + flippingGroup->addAnimation(anim); + + anim = new QPropertyAnimation(baseItem, "xScale"); + anim->setKeyValueAt(qreal(.5), zoomOut); + anim->setEndValue(1); + anim->setEasingCurve(QEasingCurve::OutInSine); + anim->setDuration(500); + flippingGroup->addAnimation(anim); + + rotationXanim = new QPropertyAnimation(baseItem, "xRotation"); + rotationXanim->setEndValue(0); + rotationXanim->setDuration(500); + flippingGroup->addAnimation(rotationXanim); + + rotationYanim = new QPropertyAnimation(baseItem, "yRotation"); + rotationYanim->setEndValue(180); + rotationYanim->setDuration(500); + flippingGroup->addAnimation(rotationYanim); + } + + if (flippingGroup->currentTime() != 0 && flippingGroup->direction() == QAbstractAnimation::Forward) { + flippingGroup->setDirection(QAbstractAnimation::Backward); + } else { + flippingGroup->setDirection(QAbstractAnimation::Forward); + if (flippingGroup->currentTime() == 0) { + //we always make sure when it is at the beginning + rotationXanim->setStartValue(baseItem->xRotation()); + rotationYanim->setStartValue(baseItem->yRotation()); + } + } + flippingGroup->start(); + flipped = !flipped; +} + +QPointF Panel::posForLocation(int index) const +{ + const int x = index % width, + y = index / width; + return QPointF(x * 150, y * 150) + - QPointF((width - 1) * 75, (height - 1) * 75); +} |