5635823e17
As in the past, to avoid rewriting various autotests that contain line-number information, an extra blank line has been inserted at the end of the license text to ensure that this commit does not change the total number of lines in the license header. Change-Id: I311e001373776812699d6efc045b5f742890c689 Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
307 lines
13 KiB
C++
307 lines
13 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
|
|
** Contact: http://www.qt-project.org/
|
|
**
|
|
** This file is part of the examples of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:BSD$
|
|
** You may use this file under the terms of the BSD license as follows:
|
|
**
|
|
** "Redistribution and use in source and binary forms, with or without
|
|
** modification, are permitted provided that the following conditions are
|
|
** met:
|
|
** * Redistributions of source code must retain the above copyright
|
|
** notice, this list of conditions and the following disclaimer.
|
|
** * Redistributions in binary form must reproduce the above copyright
|
|
** notice, this list of conditions and the following disclaimer in
|
|
** the documentation and/or other materials provided with the
|
|
** distribution.
|
|
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
|
|
** the names of its contributors may be used to endorse or promote
|
|
** products derived from this software without specific prior written
|
|
** permission.
|
|
**
|
|
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#include "flippablepad.h"
|
|
#include "padnavigator.h"
|
|
#include "splashitem.h"
|
|
|
|
#include <QtWidgets/QtWidgets>
|
|
#ifndef QT_NO_OPENGL
|
|
#include <QtOpenGL/QtOpenGL>
|
|
#endif
|
|
|
|
//! [0]
|
|
PadNavigator::PadNavigator(const QSize &size, QWidget *parent)
|
|
: QGraphicsView(parent)
|
|
{
|
|
//! [0]
|
|
//! [1]
|
|
// Splash item
|
|
SplashItem *splash = new SplashItem;
|
|
splash->setZValue(1);
|
|
//! [1]
|
|
|
|
//! [2]
|
|
// Pad item
|
|
FlippablePad *pad = new FlippablePad(size);
|
|
QGraphicsRotation *flipRotation = new QGraphicsRotation(pad);
|
|
QGraphicsRotation *xRotation = new QGraphicsRotation(pad);
|
|
QGraphicsRotation *yRotation = new QGraphicsRotation(pad);
|
|
flipRotation->setAxis(Qt::YAxis);
|
|
xRotation->setAxis(Qt::YAxis);
|
|
yRotation->setAxis(Qt::XAxis);
|
|
pad->setTransformations(QList<QGraphicsTransform *>()
|
|
<< flipRotation
|
|
<< xRotation << yRotation);
|
|
//! [2]
|
|
|
|
//! [3]
|
|
// Back (proxy widget) item
|
|
QGraphicsProxyWidget *backItem = new QGraphicsProxyWidget(pad);
|
|
QWidget *widget = new QWidget;
|
|
form.setupUi(widget);
|
|
form.hostName->setFocus();
|
|
backItem->setWidget(widget);
|
|
backItem->setVisible(false);
|
|
backItem->setFocus();
|
|
backItem->setCacheMode(QGraphicsItem::ItemCoordinateCache);
|
|
const QRectF r = backItem->rect();
|
|
backItem->setTransform(QTransform()
|
|
.rotate(180, Qt::YAxis)
|
|
.translate(-r.width()/2, -r.height()/2));
|
|
//! [3]
|
|
|
|
//! [4]
|
|
// Selection item
|
|
RoundRectItem *selectionItem = new RoundRectItem(QRectF(-60, -60, 120, 120),
|
|
Qt::gray, pad);
|
|
selectionItem->setZValue(0.5);
|
|
//! [4]
|
|
|
|
//! [5]
|
|
// Splash animations
|
|
QPropertyAnimation *smoothSplashMove = new QPropertyAnimation(splash, "y");
|
|
QPropertyAnimation *smoothSplashOpacity = new QPropertyAnimation(splash, "opacity");
|
|
smoothSplashMove->setEasingCurve(QEasingCurve::InQuad);
|
|
smoothSplashMove->setDuration(250);
|
|
smoothSplashOpacity->setDuration(250);
|
|
//! [5]
|
|
|
|
//! [6]
|
|
// Selection animation
|
|
QPropertyAnimation *smoothXSelection = new QPropertyAnimation(selectionItem, "x");
|
|
QPropertyAnimation *smoothYSelection = new QPropertyAnimation(selectionItem, "y");
|
|
QPropertyAnimation *smoothXRotation = new QPropertyAnimation(xRotation, "angle");
|
|
QPropertyAnimation *smoothYRotation = new QPropertyAnimation(yRotation, "angle");
|
|
smoothXSelection->setDuration(125);
|
|
smoothYSelection->setDuration(125);
|
|
smoothXRotation->setDuration(125);
|
|
smoothYRotation->setDuration(125);
|
|
smoothXSelection->setEasingCurve(QEasingCurve::InOutQuad);
|
|
smoothYSelection->setEasingCurve(QEasingCurve::InOutQuad);
|
|
smoothXRotation->setEasingCurve(QEasingCurve::InOutQuad);
|
|
smoothYRotation->setEasingCurve(QEasingCurve::InOutQuad);
|
|
//! [6]
|
|
|
|
//! [7]
|
|
// Flip animation setup
|
|
QPropertyAnimation *smoothFlipRotation = new QPropertyAnimation(flipRotation, "angle");
|
|
QPropertyAnimation *smoothFlipScale = new QPropertyAnimation(pad, "scale");
|
|
QPropertyAnimation *smoothFlipXRotation = new QPropertyAnimation(xRotation, "angle");
|
|
QPropertyAnimation *smoothFlipYRotation = new QPropertyAnimation(yRotation, "angle");
|
|
QParallelAnimationGroup *flipAnimation = new QParallelAnimationGroup(this);
|
|
smoothFlipScale->setDuration(500);
|
|
smoothFlipRotation->setDuration(500);
|
|
smoothFlipXRotation->setDuration(500);
|
|
smoothFlipYRotation->setDuration(500);
|
|
smoothFlipScale->setEasingCurve(QEasingCurve::InOutQuad);
|
|
smoothFlipRotation->setEasingCurve(QEasingCurve::InOutQuad);
|
|
smoothFlipXRotation->setEasingCurve(QEasingCurve::InOutQuad);
|
|
smoothFlipYRotation->setEasingCurve(QEasingCurve::InOutQuad);
|
|
smoothFlipScale->setKeyValueAt(0, qvariant_cast<qreal>(1.0));
|
|
smoothFlipScale->setKeyValueAt(0.5, qvariant_cast<qreal>(0.7));
|
|
smoothFlipScale->setKeyValueAt(1, qvariant_cast<qreal>(1.0));
|
|
flipAnimation->addAnimation(smoothFlipRotation);
|
|
flipAnimation->addAnimation(smoothFlipScale);
|
|
flipAnimation->addAnimation(smoothFlipXRotation);
|
|
flipAnimation->addAnimation(smoothFlipYRotation);
|
|
//! [7]
|
|
|
|
//! [8]
|
|
// Flip animation delayed property assignment
|
|
QSequentialAnimationGroup *setVariablesSequence = new QSequentialAnimationGroup;
|
|
QPropertyAnimation *setFillAnimation = new QPropertyAnimation(pad, "fill");
|
|
QPropertyAnimation *setBackItemVisibleAnimation = new QPropertyAnimation(backItem, "visible");
|
|
QPropertyAnimation *setSelectionItemVisibleAnimation = new QPropertyAnimation(selectionItem, "visible");
|
|
setFillAnimation->setDuration(0);
|
|
setBackItemVisibleAnimation->setDuration(0);
|
|
setSelectionItemVisibleAnimation->setDuration(0);
|
|
setVariablesSequence->addPause(250);
|
|
setVariablesSequence->addAnimation(setBackItemVisibleAnimation);
|
|
setVariablesSequence->addAnimation(setSelectionItemVisibleAnimation);
|
|
setVariablesSequence->addAnimation(setFillAnimation);
|
|
flipAnimation->addAnimation(setVariablesSequence);
|
|
//! [8]
|
|
|
|
//! [9]
|
|
// Build the state machine
|
|
QStateMachine *stateMachine = new QStateMachine(this);
|
|
QState *splashState = new QState(stateMachine);
|
|
QState *frontState = new QState(stateMachine);
|
|
QHistoryState *historyState = new QHistoryState(frontState);
|
|
QState *backState = new QState(stateMachine);
|
|
//! [9]
|
|
//! [10]
|
|
frontState->assignProperty(pad, "fill", false);
|
|
frontState->assignProperty(splash, "opacity", 0.0);
|
|
frontState->assignProperty(backItem, "visible", false);
|
|
frontState->assignProperty(flipRotation, "angle", qvariant_cast<qreal>(0.0));
|
|
frontState->assignProperty(selectionItem, "visible", true);
|
|
backState->assignProperty(pad, "fill", true);
|
|
backState->assignProperty(backItem, "visible", true);
|
|
backState->assignProperty(xRotation, "angle", qvariant_cast<qreal>(0.0));
|
|
backState->assignProperty(yRotation, "angle", qvariant_cast<qreal>(0.0));
|
|
backState->assignProperty(flipRotation, "angle", qvariant_cast<qreal>(180.0));
|
|
backState->assignProperty(selectionItem, "visible", false);
|
|
stateMachine->addDefaultAnimation(smoothXRotation);
|
|
stateMachine->addDefaultAnimation(smoothYRotation);
|
|
stateMachine->addDefaultAnimation(smoothXSelection);
|
|
stateMachine->addDefaultAnimation(smoothYSelection);
|
|
stateMachine->setInitialState(splashState);
|
|
//! [10]
|
|
|
|
//! [11]
|
|
// Transitions
|
|
QEventTransition *anyKeyTransition = new QEventTransition(this, QEvent::KeyPress, splashState);
|
|
anyKeyTransition->setTargetState(frontState);
|
|
anyKeyTransition->addAnimation(smoothSplashMove);
|
|
anyKeyTransition->addAnimation(smoothSplashOpacity);
|
|
//! [11]
|
|
|
|
//! [12]
|
|
QKeyEventTransition *enterTransition = new QKeyEventTransition(this, QEvent::KeyPress,
|
|
Qt::Key_Enter, backState);
|
|
QKeyEventTransition *returnTransition = new QKeyEventTransition(this, QEvent::KeyPress,
|
|
Qt::Key_Return, backState);
|
|
QKeyEventTransition *backEnterTransition = new QKeyEventTransition(this, QEvent::KeyPress,
|
|
Qt::Key_Enter, frontState);
|
|
QKeyEventTransition *backReturnTransition = new QKeyEventTransition(this, QEvent::KeyPress,
|
|
Qt::Key_Return, frontState);
|
|
enterTransition->setTargetState(historyState);
|
|
returnTransition->setTargetState(historyState);
|
|
backEnterTransition->setTargetState(backState);
|
|
backReturnTransition->setTargetState(backState);
|
|
enterTransition->addAnimation(flipAnimation);
|
|
returnTransition->addAnimation(flipAnimation);
|
|
backEnterTransition->addAnimation(flipAnimation);
|
|
backReturnTransition->addAnimation(flipAnimation);
|
|
//! [12]
|
|
|
|
//! [13]
|
|
// Create substates for each icon; store in temporary grid.
|
|
int columns = size.width();
|
|
int rows = size.height();
|
|
QVector< QVector< QState * > > stateGrid;
|
|
stateGrid.resize(rows);
|
|
for (int y = 0; y < rows; ++y) {
|
|
stateGrid[y].resize(columns);
|
|
for (int x = 0; x < columns; ++x)
|
|
stateGrid[y][x] = new QState(frontState);
|
|
}
|
|
frontState->setInitialState(stateGrid[0][0]);
|
|
selectionItem->setPos(pad->iconAt(0, 0)->pos());
|
|
//! [13]
|
|
|
|
//! [14]
|
|
// Enable key navigation using state transitions
|
|
for (int y = 0; y < rows; ++y) {
|
|
for (int x = 0; x < columns; ++x) {
|
|
QState *state = stateGrid[y][x];
|
|
QKeyEventTransition *rightTransition = new QKeyEventTransition(this, QEvent::KeyPress,
|
|
Qt::Key_Right, state);
|
|
QKeyEventTransition *leftTransition = new QKeyEventTransition(this, QEvent::KeyPress,
|
|
Qt::Key_Left, state);
|
|
QKeyEventTransition *downTransition = new QKeyEventTransition(this, QEvent::KeyPress,
|
|
Qt::Key_Down, state);
|
|
QKeyEventTransition *upTransition = new QKeyEventTransition(this, QEvent::KeyPress,
|
|
Qt::Key_Up, state);
|
|
rightTransition->setTargetState(stateGrid[y][(x + 1) % columns]);
|
|
leftTransition->setTargetState(stateGrid[y][((x - 1) + columns) % columns]);
|
|
downTransition->setTargetState(stateGrid[(y + 1) % rows][x]);
|
|
upTransition->setTargetState(stateGrid[((y - 1) + rows) % rows][x]);
|
|
//! [14]
|
|
//! [15]
|
|
RoundRectItem *icon = pad->iconAt(x, y);
|
|
state->assignProperty(xRotation, "angle", -icon->x() / 6.0);
|
|
state->assignProperty(yRotation, "angle", icon->y() / 6.0);
|
|
state->assignProperty(selectionItem, "x", icon->x());
|
|
state->assignProperty(selectionItem, "y", icon->y());
|
|
frontState->assignProperty(icon, "visible", true);
|
|
backState->assignProperty(icon, "visible", false);
|
|
|
|
QPropertyAnimation *setIconVisibleAnimation = new QPropertyAnimation(icon, "visible");
|
|
setIconVisibleAnimation->setDuration(0);
|
|
setVariablesSequence->addAnimation(setIconVisibleAnimation);
|
|
}
|
|
}
|
|
//! [15]
|
|
|
|
//! [16]
|
|
// Scene
|
|
QGraphicsScene *scene = new QGraphicsScene(this);
|
|
scene->setBackgroundBrush(QPixmap(":/images/blue_angle_swirl.jpg"));
|
|
scene->setItemIndexMethod(QGraphicsScene::NoIndex);
|
|
scene->addItem(pad);
|
|
scene->setSceneRect(scene->itemsBoundingRect());
|
|
setScene(scene);
|
|
//! [16]
|
|
|
|
//! [17]
|
|
// Adjust splash item to scene contents
|
|
const QRectF sbr = splash->boundingRect();
|
|
splash->setPos(-sbr.width() / 2, scene->sceneRect().top() - 2);
|
|
frontState->assignProperty(splash, "y", splash->y() - 100.0);
|
|
scene->addItem(splash);
|
|
//! [17]
|
|
|
|
//! [18]
|
|
// View
|
|
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
|
|
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
|
|
setMinimumSize(50, 50);
|
|
setViewportUpdateMode(FullViewportUpdate);
|
|
setCacheMode(CacheBackground);
|
|
setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform | QPainter::TextAntialiasing);
|
|
#ifndef QT_NO_OPENGL
|
|
setViewport(new QGLWidget(QGLFormat(QGL::SampleBuffers)));
|
|
#endif
|
|
|
|
stateMachine->start();
|
|
//! [18]
|
|
}
|
|
|
|
//! [19]
|
|
void PadNavigator::resizeEvent(QResizeEvent *event)
|
|
{
|
|
QGraphicsView::resizeEvent(event);
|
|
fitInView(scene()->sceneRect(), Qt::KeepAspectRatio);
|
|
}
|
|
//! [19]
|