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-rw-r--r--examples/statemachine/graphicsview/padnavigator/padnavigator.cpp271
1 files changed, 0 insertions, 271 deletions
diff --git a/examples/statemachine/graphicsview/padnavigator/padnavigator.cpp b/examples/statemachine/graphicsview/padnavigator/padnavigator.cpp
deleted file mode 100644
index 55cf76a..0000000
--- a/examples/statemachine/graphicsview/padnavigator/padnavigator.cpp
+++ /dev/null
@@ -1,271 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
-
-#include "flippablepad.h"
-#include "padnavigator.h"
-#include "splashitem.h"
-
-#include <QEventTransition>
-#include <QGraphicsProxyWidget>
-#include <QGraphicsRotation>
-#include <QHistoryState>
-#include <QKeyEventTransition>
-#include <QParallelAnimationGroup>
-#include <QPropertyAnimation>
-#include <QSequentialAnimationGroup>
-#include <QStateMachine>
-
-#ifndef QT_NO_OPENGL
-#include <QOpenGLWidget>
-#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");
- QParallelAnimationGroup *flipAnimation = new QParallelAnimationGroup(this);
- smoothFlipScale->setDuration(500);
- smoothFlipRotation->setDuration(500);
- smoothFlipScale->setEasingCurve(QEasingCurve::InOutQuad);
- smoothFlipRotation->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);
-//! [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();
- QList<QList<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 QOpenGLWidget);
-#endif
-
- stateMachine->start();
-//! [18]
-}
-
-//! [19]
-void PadNavigator::resizeEvent(QResizeEvent *event)
-{
- QGraphicsView::resizeEvent(event);
- fitInView(scene()->sceneRect(), Qt::KeepAspectRatio);
-}
-//! [19]
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