diff options
Diffstat (limited to 'examples/graphicsview')
| -rw-r--r-- | examples/graphicsview/padnavigator/backside.ui | 208 | ||||
| -rw-r--r-- | examples/graphicsview/padnavigator/flippablepad.cpp | 99 | ||||
| -rw-r--r-- | examples/graphicsview/padnavigator/flippablepad.h | 64 | ||||
| -rw-r--r-- | examples/graphicsview/padnavigator/main.cpp | 14 | ||||
| -rw-r--r-- | examples/graphicsview/padnavigator/padnavigator.cpp | 307 | ||||
| -rw-r--r-- | examples/graphicsview/padnavigator/padnavigator.h (renamed from examples/graphicsview/padnavigator/panel.h) | 53 | ||||
| -rw-r--r-- | examples/graphicsview/padnavigator/padnavigator.pro | 23 | ||||
| -rw-r--r-- | examples/graphicsview/padnavigator/panel.cpp | 238 | ||||
| -rw-r--r-- | examples/graphicsview/padnavigator/roundrectitem.cpp | 146 | ||||
| -rw-r--r-- | examples/graphicsview/padnavigator/roundrectitem.h | 51 | ||||
| -rw-r--r-- | examples/graphicsview/padnavigator/splashitem.cpp | 48 | ||||
| -rw-r--r-- | examples/graphicsview/padnavigator/splashitem.h | 25 |
12 files changed, 604 insertions, 672 deletions
diff --git a/examples/graphicsview/padnavigator/backside.ui b/examples/graphicsview/padnavigator/backside.ui deleted file mode 100644 index afa488c..0000000 --- a/examples/graphicsview/padnavigator/backside.ui +++ /dev/null @@ -1,208 +0,0 @@ -<ui version="4.0" > - <class>BackSide</class> - <widget class="QWidget" name="BackSide" > - <property name="geometry" > - <rect> - <x>0</x> - <y>0</y> - <width>378</width> - <height>385</height> - </rect> - </property> - <property name="windowTitle" > - <string>BackSide</string> - </property> - <layout class="QVBoxLayout" name="verticalLayout_2" > - <item> - <widget class="QGroupBox" name="groupBox" > - <property name="title" > - <string>Settings</string> - </property> - <property name="flat" > - <bool>true</bool> - </property> - <property name="checkable" > - <bool>true</bool> - </property> - <layout class="QGridLayout" name="gridLayout" > - <item row="0" column="0" > - <widget class="QLabel" name="label" > - <property name="text" > - <string>Title:</string> - </property> - </widget> - </item> - <item row="0" column="1" > - <widget class="QLineEdit" name="hostName" > - <property name="text" > - <string>Pad Navigator Example</string> - </property> - </widget> - </item> - <item row="1" column="0" > - <widget class="QLabel" name="label_2" > - <property name="text" > - <string>Modified:</string> - </property> - </widget> - </item> - <item row="2" column="0" > - <widget class="QLabel" name="label_3" > - <property name="text" > - <string>Extent</string> - </property> - </widget> - </item> - <item row="2" column="1" > - <layout class="QHBoxLayout" name="horizontalLayout" > - <item> - <widget class="QSlider" name="horizontalSlider" > - <property name="value" > - <number>42</number> - </property> - <property name="orientation" > - <enum>Qt::Horizontal</enum> - </property> - </widget> - </item> - <item> - <widget class="QSpinBox" name="spinBox" > - <property name="value" > - <number>42</number> - </property> - </widget> - </item> - </layout> - </item> - <item row="1" column="1" > - <widget class="QDateTimeEdit" name="dateTimeEdit" /> - </item> - </layout> - </widget> - </item> - <item> - <widget class="QGroupBox" name="groupBox_2" > - <property name="title" > - <string>Other input</string> - </property> - <property name="flat" > - <bool>true</bool> - </property> - <property name="checkable" > - <bool>true</bool> - </property> - <layout class="QHBoxLayout" name="horizontalLayout_2" > - <item> - <widget class="QTreeWidget" name="treeWidget" > - <column> - <property name="text" > - <string>Widgets On Graphics View</string> - </property> - </column> - <item> - <property name="text" > - <string>QGraphicsProxyWidget</string> - </property> - <item> - <property name="text" > - <string>QGraphicsWidget</string> - </property> - <item> - <property name="text" > - <string>QObject</string> - </property> - </item> - <item> - <property name="text" > - <string>QGraphicsItem</string> - </property> - </item> - <item> - <property name="text" > - <string>QGraphicsLayoutItem</string> - </property> - </item> - </item> - </item> - <item> - <property name="text" > - <string>QGraphicsGridLayout</string> - </property> - <item> - <property name="text" > - <string>QGraphicsLayout</string> - </property> - <item> - <property name="text" > - <string>QGraphicsLayoutItem</string> - </property> - </item> - </item> - </item> - <item> - <property name="text" > - <string>QGraphicsLinearLayout</string> - </property> - <item> - <property name="text" > - <string>QGraphicsLayout</string> - </property> - <item> - <property name="text" > - <string>QGraphicsLayoutItem</string> - </property> - </item> - </item> - </item> - </widget> - </item> - </layout> - </widget> - </item> - </layout> - </widget> - <tabstops> - <tabstop>groupBox</tabstop> - <tabstop>hostName</tabstop> - <tabstop>dateTimeEdit</tabstop> - <tabstop>horizontalSlider</tabstop> - <tabstop>spinBox</tabstop> - <tabstop>groupBox_2</tabstop> - <tabstop>treeWidget</tabstop> - </tabstops> - <resources/> - <connections> - <connection> - <sender>horizontalSlider</sender> - <signal>valueChanged(int)</signal> - <receiver>spinBox</receiver> - <slot>setValue(int)</slot> - <hints> - <hint type="sourcelabel" > - <x>184</x> - <y>125</y> - </hint> - <hint type="destinationlabel" > - <x>275</x> - <y>127</y> - </hint> - </hints> - </connection> - <connection> - <sender>spinBox</sender> - <signal>valueChanged(int)</signal> - <receiver>horizontalSlider</receiver> - <slot>setValue(int)</slot> - <hints> - <hint type="sourcelabel" > - <x>272</x> - <y>114</y> - </hint> - <hint type="destinationlabel" > - <x>190</x> - <y>126</y> - </hint> - </hints> - </connection> - </connections> -</ui> diff --git a/examples/graphicsview/padnavigator/flippablepad.cpp b/examples/graphicsview/padnavigator/flippablepad.cpp new file mode 100644 index 0000000..58aea00 --- /dev/null +++ b/examples/graphicsview/padnavigator/flippablepad.cpp @@ -0,0 +1,99 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "flippablepad.h" + +#include <QtGui/QtGui> + +//! [0] +static QRectF boundsFromSize(const QSize &size) +{ + return QRectF((-size.width() / 2.0) * 150, (-size.height() / 2.0) * 150, + size.width() * 150, size.height() * 150); +} +//! [0] + +//! [1] +static QPointF posForLocation(int column, int row, const QSize &size) +{ + return QPointF(column * 150, row * 150) + - QPointF((size.width() - 1) * 75, (size.height() - 1) * 75); +} +//! [1] + +//! [2] +FlippablePad::FlippablePad(const QSize &size, QGraphicsItem *parent) + : RoundRectItem(boundsFromSize(size), QColor(226, 255, 92, 64), parent) +{ +//! [2] +//! [3] + int numIcons = size.width() * size.height(); + QList<QPixmap> pixmaps; + QDirIterator it(":/images", QStringList() << "*.png"); + while (it.hasNext() && pixmaps.size() < numIcons) + pixmaps << it.next(); +//! [3] + +//! [4] + const QRectF iconRect(-54, -54, 108, 108); + const QColor iconColor(214, 240, 110, 128); + iconGrid.resize(size.height()); + int n = 0; + + for (int y = 0; y < size.height(); ++y) { + iconGrid[y].resize(size.width()); + for (int x = 0; x < size.width(); ++x) { + RoundRectItem *rect = new RoundRectItem(iconRect, iconColor, this); + rect->setZValue(1); + rect->setPos(posForLocation(x, y, size)); + rect->setPixmap(pixmaps.at(n++ % pixmaps.size())); + iconGrid[y][x] = rect; + } + } +} +//! [4] + +//! [5] +RoundRectItem *FlippablePad::iconAt(int column, int row) const +{ + return iconGrid[row][column]; +} +//! [5] diff --git a/examples/graphicsview/padnavigator/flippablepad.h b/examples/graphicsview/padnavigator/flippablepad.h new file mode 100644 index 0000000..7d99536 --- /dev/null +++ b/examples/graphicsview/padnavigator/flippablepad.h @@ -0,0 +1,64 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef FLIPPABLEPAD_H +#define FLIPPABLEPAD_H + +#include "roundrectitem.h" + +#include <QGraphicsObject> +#include <QLinearGradient> +#include <QVector> + +//! [0] +class FlippablePad : public RoundRectItem +{ +public: + FlippablePad(const QSize &size, QGraphicsItem *parent = 0); + + RoundRectItem *iconAt(int column, int row) const; + +private: + QVector<QVector<RoundRectItem *> > iconGrid; +}; +//! [0] + +#endif // FLIPPABLEPAD_H diff --git a/examples/graphicsview/padnavigator/main.cpp b/examples/graphicsview/padnavigator/main.cpp index fb6c120..984b976 100644 --- a/examples/graphicsview/padnavigator/main.cpp +++ b/examples/graphicsview/padnavigator/main.cpp @@ -39,21 +39,19 @@ ** ****************************************************************************/ -#include <QtGui> -#ifndef QT_NO_OPENGL -# include <QtOpenGL> -#endif +#include "padnavigator.h" -#include "panel.h" +#include <QtGui/QtGui> +//! [0] int main(int argc, char *argv[]) { QApplication app(argc, argv); Q_INIT_RESOURCE(padnavigator); - Panel panel(3, 3); - panel.setFocus(); - panel.show(); + PadNavigator navigator(QSize(3, 3)); + navigator.show(); return app.exec(); } +//! [0] diff --git a/examples/graphicsview/padnavigator/padnavigator.cpp b/examples/graphicsview/padnavigator/padnavigator.cpp new file mode 100644 index 0000000..b1d19f6 --- /dev/null +++ b/examples/graphicsview/padnavigator/padnavigator.cpp @@ -0,0 +1,307 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "flippablepad.h" +#include "padnavigator.h" +#include "splashitem.h" + +#include <QtGui/QtGui> +#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, qVariantValue<qreal>(1.0)); + smoothFlipScale->setKeyValueAt(0.5, qVariantValue<qreal>(0.7)); + smoothFlipScale->setKeyValueAt(1, qVariantValue<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", qVariantValue<qreal>(0.0)); + frontState->assignProperty(selectionItem, "visible", true); + backState->assignProperty(pad, "fill", true); + backState->assignProperty(backItem, "visible", true); + backState->assignProperty(xRotation, "angle", qVariantValue<qreal>(0.0)); + backState->assignProperty(yRotation, "angle", qVariantValue<qreal>(0.0)); + backState->assignProperty(flipRotation, "angle", qVariantValue<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] diff --git a/examples/graphicsview/padnavigator/panel.h b/examples/graphicsview/padnavigator/padnavigator.h index 908092b..03a1ea2 100644 --- a/examples/graphicsview/padnavigator/panel.h +++ b/examples/graphicsview/padnavigator/padnavigator.h @@ -39,54 +39,29 @@ ** ****************************************************************************/ -#include <QtGui/qgraphicsview.h> +#ifndef PADNAVIGATOR_H +#define PADNAVIGATOR_H -QT_BEGIN_NAMESPACE -class QTimeLine; -class Ui_BackSide; -QT_END_NAMESPACE +#include <QGraphicsView> +#include "ui_form.h" -class RoundRectItem; +class QState; +class QStateMachine; +class Ui_Form; -class Panel : public QGraphicsView +//! [0] +class PadNavigator : public QGraphicsView { Q_OBJECT public: - Panel(int width, int height); - ~Panel(); + explicit PadNavigator(const QSize &size, QWidget *parent = 0); protected: - void keyPressEvent(QKeyEvent *event); void resizeEvent(QResizeEvent *event); -private Q_SLOTS: - void updateSelectionStep(qreal val); - void updateFlipStep(qreal val); - void flip(); - private: - QPointF posForLocation(int x, int y) const; - - QGraphicsScene *scene; - RoundRectItem *selectionItem; - RoundRectItem *baseItem; - RoundRectItem *backItem; - QGraphicsWidget *splash; - QTimeLine *selectionTimeLine; - QTimeLine *flipTimeLine; - int selectedX, selectedY; - - QGraphicsItem ***grid; - - QPointF startPos; - QPointF endPos; - qreal xrot, yrot; - qreal xrot2, yrot2; - - int width; - int height; - bool flipped; - bool flipLeft; - - Ui_BackSide *ui; + Ui_Form form; }; +//! [0] + +#endif // PADNAVIGATOR_H diff --git a/examples/graphicsview/padnavigator/padnavigator.pro b/examples/graphicsview/padnavigator/padnavigator.pro index d6f536c..93ea293 100644 --- a/examples/graphicsview/padnavigator/padnavigator.pro +++ b/examples/graphicsview/padnavigator/padnavigator.pro @@ -1,19 +1,20 @@ -HEADERS += \ - panel.h \ - roundrectitem.h \ - splashitem.h +SOURCES += main.cpp \ + roundrectitem.cpp \ + flippablepad.cpp \ + padnavigator.cpp \ + splashitem.cpp -SOURCES += \ - panel.cpp \ - roundrectitem.cpp \ - splashitem.cpp \ - main.cpp +HEADERS += \ + roundrectitem.h \ + flippablepad.h \ + padnavigator.h \ + splashitem.h RESOURCES += \ - padnavigator.qrc + padnavigator.qrc FORMS += \ - backside.ui + form.ui contains(QT_CONFIG, opengl):QT += opengl diff --git a/examples/graphicsview/padnavigator/panel.cpp b/examples/graphicsview/padnavigator/panel.cpp deleted file mode 100644 index c4a5cd9..0000000 --- a/examples/graphicsview/padnavigator/panel.cpp +++ /dev/null @@ -1,238 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#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> - -#include <math.h> - -Panel::Panel(int width, int height) - : selectedX(0), - selectedY(0), - width(width), - height(height), - flipped(false), - flipLeft(true) -{ - setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); - setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff); - setCacheMode(CacheBackground); - setViewportUpdateMode(FullViewportUpdate); - setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform - | QPainter::TextAntialiasing); - setBackgroundBrush(QPixmap(":/images/blue_angle_swirl.jpg")); -#ifndef QT_NO_OPENGL - setViewport(new QGLWidget(QGLFormat(QGL::SampleBuffers))); -#endif - setMinimumSize(50, 50); - - selectionTimeLine = new QTimeLine(150, this); - flipTimeLine = new QTimeLine(500, this); - - QRectF bounds((-width / 2.0) * 150, (-height / 2.0) * 150, width * 150, height * 150); - - scene = new QGraphicsScene(bounds, this); - scene->setItemIndexMethod(QGraphicsScene::NoIndex); - setScene(scene); - - 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->setTransform(QTransform().rotate(180, Qt::YAxis)); - backItem->setParentItem(baseItem); - - selectionItem = new RoundRectItem(QRectF(-60, -60, 120, 120), Qt::gray); - selectionItem->setParentItem(baseItem); - selectionItem->setZValue(-1); - selectionItem->setPos(posForLocation(0, 0)); - startPos = selectionItem->pos(); - - grid = new QGraphicsItem **[height]; - - for (int y = 0; y < height; ++y) { - grid[y] = new QGraphicsItem *[width]; - - for (int x = 0; x < width; ++x) { - RoundRectItem *item = new RoundRectItem(QRectF(-54, -54, 108, 108), - QColor(214, 240, 110, 128)); - item->setPos(posForLocation(x, y)); - - item->setParentItem(baseItem); - item->setFlag(QGraphicsItem::ItemIsFocusable); - grid[y][x] = 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[0][0]->setFocus(); - - connect(backItem, SIGNAL(activated()), - this, SLOT(flip())); - connect(selectionTimeLine, SIGNAL(valueChanged(qreal)), - this, SLOT(updateSelectionStep(qreal))); - connect(flipTimeLine, SIGNAL(valueChanged(qreal)), - this, SLOT(updateFlipStep(qreal))); - - splash = new SplashItem; - splash->setZValue(5); - splash->setPos(-splash->rect().width() / 2, scene->sceneRect().top()); - scene->addItem(splash); - - splash->grabKeyboard(); - - updateSelectionStep(0); - - setWindowTitle(tr("Pad Navigator Example")); -} - -Panel::~Panel() -{ - for (int y = 0; y < height; ++y) - delete [] grid[y]; - delete [] grid; -} - -void Panel::keyPressEvent(QKeyEvent *event) -{ - if (splash->isVisible() || event->key() == Qt::Key_Return || flipped) { - QGraphicsView::keyPressEvent(event); - return; - } - - selectedX = (selectedX + width + (event->key() == Qt::Key_Right) - (event->key() == Qt::Key_Left)) % width; - selectedY = (selectedY + height + (event->key() == Qt::Key_Down) - (event->key() == Qt::Key_Up)) % height; - grid[selectedY][selectedX]->setFocus(); - - selectionTimeLine->stop(); - startPos = selectionItem->pos(); - endPos = posForLocation(selectedX, selectedY); - selectionTimeLine->start(); -} - -void Panel::resizeEvent(QResizeEvent *event) -{ - QGraphicsView::resizeEvent(event); - fitInView(scene->sceneRect(), Qt::KeepAspectRatio); -} - -void Panel::updateSelectionStep(qreal val) -{ - QPointF newPos(startPos.x() + (endPos - startPos).x() * val, - startPos.y() + (endPos - startPos).y() * val); - selectionItem->setPos(newPos); - - QTransform transform; - yrot = newPos.x() / 6.0; - xrot = newPos.y() / 6.0; - transform.rotate(newPos.x() / 6.0, Qt::YAxis); - transform.rotate(newPos.y() / 6.0, Qt::XAxis); - baseItem->setTransform(transform); -} - -void Panel::updateFlipStep(qreal val) -{ - qreal finalxrot = xrot - xrot * val; - qreal finalyrot; - if (flipLeft) - finalyrot = yrot - yrot * val - 180 * val; - else - finalyrot = yrot - yrot * val + 180 * val; - QTransform transform; - transform.rotate(finalyrot, Qt::YAxis); - transform.rotate(finalxrot, Qt::XAxis); - qreal scale = 1 - sin(3.14 * val) * 0.3; - transform.scale(scale, scale); - baseItem->setTransform(transform); - if (val == 0) - grid[selectedY][selectedX]->setFocus(); -} - -void Panel::flip() -{ - if (flipTimeLine->state() == QTimeLine::Running) - return; - - if (flipTimeLine->currentValue() == 0) { - flipTimeLine->setDirection(QTimeLine::Forward); - flipTimeLine->start(); - flipped = true; - flipLeft = selectionItem->pos().x() < 0; - } else { - flipTimeLine->setDirection(QTimeLine::Backward); - flipTimeLine->start(); - flipped = false; - } -} - -QPointF Panel::posForLocation(int x, int y) const -{ - return QPointF(x * 150, y * 150) - - QPointF((width - 1) * 75, (height - 1) * 75); -} diff --git a/examples/graphicsview/padnavigator/roundrectitem.cpp b/examples/graphicsview/padnavigator/roundrectitem.cpp index d53eea4..7a0b279 100644 --- a/examples/graphicsview/padnavigator/roundrectitem.cpp +++ b/examples/graphicsview/padnavigator/roundrectitem.cpp @@ -43,122 +43,72 @@ #include <QtGui/QtGui> -RoundRectItem::RoundRectItem(const QRectF &rect, const QBrush &brush, QWidget *embeddedWidget) - : QGraphicsRectItem(rect), - brush(brush), - timeLine(75), - lastVal(0), - opa(1), - proxyWidget(0) +//! [0] +RoundRectItem::RoundRectItem(const QRectF &bounds, const QColor &color, + QGraphicsItem *parent) + : QGraphicsObject(parent), fillRect(false), bounds(bounds) { - connect(&timeLine, SIGNAL(valueChanged(qreal)), - this, SLOT(updateValue(qreal))); - - if (embeddedWidget) { - proxyWidget = new QGraphicsProxyWidget(this); - proxyWidget->setFocusPolicy(Qt::StrongFocus); - proxyWidget->setWidget(embeddedWidget); - proxyWidget->setGeometry(boundingRect().adjusted(25, 25, -25, -25)); - } + gradient.setStart(bounds.topLeft()); + gradient.setFinalStop(bounds.bottomRight()); + gradient.setColorAt(0, color); + gradient.setColorAt(1, color.dark(200)); + setCacheMode(ItemCoordinateCache); } +//! [0] -void RoundRectItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) +//! [1] +QPixmap RoundRectItem::pixmap() const { - QTransform x = painter->worldTransform(); - - QLineF unit = x.map(QLineF(0, 0, 1, 1)); - if (unit.p1().x() > unit.p2().x() || unit.p1().y() > unit.p2().y()) { - if (proxyWidget && proxyWidget->isVisible()) { - proxyWidget->hide(); - proxyWidget->setGeometry(rect()); - } - return; - } - - if (proxyWidget && !proxyWidget->isVisible()) { - proxyWidget->show(); - proxyWidget->setFocus(); - } - if (proxyWidget && proxyWidget->pos() != QPoint()) - proxyWidget->setGeometry(boundingRect().adjusted(25, 25, -25, -25)); - - painter->setOpacity(opacity()); - painter->setPen(Qt::NoPen); - painter->setBrush(QColor(0, 0, 0, 64)); - painter->drawRoundRect(rect().translated(2, 2)); - - if (!proxyWidget) { - QLinearGradient gradient(rect().topLeft(), rect().bottomRight()); - const QColor col = brush.color(); - gradient.setColorAt(0, col); - gradient.setColorAt(1, col.dark(int(200 + lastVal * 50))); - painter->setBrush(gradient); - } else { - painter->setBrush(brush); - } - - painter->setPen(QPen(Qt::black, 1)); - painter->drawRoundRect(rect()); - if (!pix.isNull()) { - painter->scale(1.95, 1.95); - painter->drawPixmap(-pix.width() / 2, -pix.height() / 2, pix);; - } + return pix; } - -QRectF RoundRectItem::boundingRect() const -{ - qreal penW = 0.5; - qreal shadowW = 2.0; - return rect().adjusted(-penW, -penW, penW + shadowW, penW + shadowW); -} - void RoundRectItem::setPixmap(const QPixmap &pixmap) { pix = pixmap; - if (scene() && isVisible()) - update(); -} - -qreal RoundRectItem::opacity() const -{ - RoundRectItem *parent = parentItem() ? (RoundRectItem *)parentItem() : 0; - return opa + (parent ? parent->opacity() : 0); + update(); } +//! [1] -void RoundRectItem::setOpacity(qreal opacity) +//! [2] +QRectF RoundRectItem::boundingRect() const { - opa = opacity; - update(); + return bounds.adjusted(0, 0, 2, 2); } +//! [2] -void RoundRectItem::keyPressEvent(QKeyEvent *event) +//! [3] +void RoundRectItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, + QWidget *widget) { - if (event->isAutoRepeat() || event->key() != Qt::Key_Return - || (timeLine.state() == QTimeLine::Running && timeLine.direction() == QTimeLine::Forward)) { - QGraphicsRectItem::keyPressEvent(event); - return; + Q_UNUSED(option); + Q_UNUSED(widget); + painter->setPen(Qt::NoPen); + painter->setBrush(QColor(0, 0, 0, 64)); + painter->drawRoundRect(bounds.translated(2, 2)); +//! [3] +//! [4] + if (fillRect) + painter->setBrush(QApplication::palette().brush(QPalette::Window)); + else + painter->setBrush(gradient); + painter->setPen(QPen(Qt::black, 1)); + painter->drawRoundRect(bounds); +//! [4] +//! [5] + if (!pix.isNull()) { + painter->scale(1.95, 1.95); + painter->drawPixmap(-pix.width() / 2, -pix.height() / 2, pix); } - - timeLine.stop(); - timeLine.setDirection(QTimeLine::Forward); - timeLine.start(); - emit activated(); } +//! [5] -void RoundRectItem::keyReleaseEvent(QKeyEvent *event) +//! [6] +bool RoundRectItem::fill() const { - if (event->key() != Qt::Key_Return) { - QGraphicsRectItem::keyReleaseEvent(event); - return; - } - timeLine.stop(); - timeLine.setDirection(QTimeLine::Backward); - timeLine.start(); + return fillRect; } - -void RoundRectItem::updateValue(qreal value) +void RoundRectItem::setFill(bool fill) { - lastVal = value; - if (!proxyWidget) - setTransform(QTransform().scale(1 - value / 10.0, 1 - value / 10.0)); + fillRect = fill; + update(); } +//! [6] diff --git a/examples/graphicsview/padnavigator/roundrectitem.h b/examples/graphicsview/padnavigator/roundrectitem.h index 683c09f..bc58cec 100644 --- a/examples/graphicsview/padnavigator/roundrectitem.h +++ b/examples/graphicsview/padnavigator/roundrectitem.h @@ -39,45 +39,38 @@ ** ****************************************************************************/ -#include <QtCore/qobject.h> -#include <QtCore/qtimeline.h> -#include <QtGui/qgraphicsitem.h> -#include <QtGui/qbrush.h> +#ifndef ROUNDRECTITEM_H +#define ROUNDRECTITEM_H -QT_BEGIN_NAMESPACE -class QGraphicsProxyWidget; -QT_END_NAMESPACE +#include <QGraphicsObject> +#include <QLinearGradient> -class RoundRectItem : public QObject, public QGraphicsRectItem +//! [0] +class RoundRectItem : public QGraphicsObject { Q_OBJECT + Q_PROPERTY(bool fill READ fill WRITE setFill) public: - RoundRectItem(const QRectF &rect, const QBrush &brush, QWidget *embeddedWidget = 0); - - void paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *); - QRectF boundingRect() const; + RoundRectItem(const QRectF &bounds, const QColor &color, + QGraphicsItem *parent = 0); + QPixmap pixmap() const; void setPixmap(const QPixmap &pixmap); - qreal opacity() const; - void setOpacity(qreal opacity); - -Q_SIGNALS: - void activated(); - -protected: - void keyPressEvent(QKeyEvent *event); - void keyReleaseEvent(QKeyEvent *event); + QRectF boundingRect() const; + void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0); -private slots: - void updateValue(qreal value); + bool fill() const; + void setFill(bool fill); +//! [0] +//! [1] private: - QBrush brush; QPixmap pix; - QTimeLine timeLine; - qreal lastVal; - qreal opa; - - QGraphicsProxyWidget *proxyWidget; + bool fillRect; + QRectF bounds; + QLinearGradient gradient; }; +//! [1] + +#endif // ROUNDRECTITEM_H diff --git a/examples/graphicsview/padnavigator/splashitem.cpp b/examples/graphicsview/padnavigator/splashitem.cpp index b5b03d4..cd7074a 100644 --- a/examples/graphicsview/padnavigator/splashitem.cpp +++ b/examples/graphicsview/padnavigator/splashitem.cpp @@ -43,31 +43,36 @@ #include <QtGui/QtGui> +//! [0] SplashItem::SplashItem(QGraphicsItem *parent) - : QGraphicsWidget(parent) + : QGraphicsObject(parent) { - opacity = 1.0; - - - timeLine = new QTimeLine(350); - timeLine->setCurveShape(QTimeLine::EaseInCurve); - connect(timeLine, SIGNAL(valueChanged(qreal)), this, SLOT(setValue(qreal))); - text = tr("Welcome to the Pad Navigator Example. You can use the" " keyboard arrows to navigate the icons, and press enter" - " to activate an item. Please press any key to continue."); - resize(400, 175); + " to activate an item. Press any key to begin."); + setCacheMode(DeviceCoordinateCache); +} +//! [0] + +//! [1] +QRectF SplashItem::boundingRect() const +{ + return QRectF(0, 0, 400, 175); } +//! [1] -void SplashItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) +//! [2] +void SplashItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, + QWidget *widget) { - painter->setOpacity(opacity); + Q_UNUSED(option); + Q_UNUSED(widget); painter->setPen(QPen(Qt::black, 2)); painter->setBrush(QColor(245, 245, 255, 220)); - painter->setClipRect(rect()); + painter->setClipRect(boundingRect()); painter->drawRoundRect(3, -100 + 3, 400 - 6, 250 - 6); - QRectF textRect = rect().adjusted(10, 10, -10, -10); + QRectF textRect = boundingRect().adjusted(10, 10, -10, -10); int flags = Qt::AlignTop | Qt::AlignLeft | Qt::TextWordWrap; QFont font; @@ -76,17 +81,4 @@ void SplashItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWid painter->setFont(font); painter->drawText(textRect, flags, text); } - -void SplashItem::keyPressEvent(QKeyEvent * /* event */) -{ - if (timeLine->state() == QTimeLine::NotRunning) - timeLine->start(); -} - -void SplashItem::setValue(qreal value) -{ - opacity = 1 - value; - setPos(x(), scene()->sceneRect().top() - rect().height() * value); - if (value == 1) - hide(); -} +//! [2] diff --git a/examples/graphicsview/padnavigator/splashitem.h b/examples/graphicsview/padnavigator/splashitem.h index 7a33bee..98c4a1f 100644 --- a/examples/graphicsview/padnavigator/splashitem.h +++ b/examples/graphicsview/padnavigator/splashitem.h @@ -39,25 +39,24 @@ ** ****************************************************************************/ -#include <QtCore/qobject.h> -#include <QtCore/qtimeline.h> -#include <QtGui/qgraphicswidget.h> +#ifndef SPLASHITEM_H +#define SPLASHITEM_H -class SplashItem : public QGraphicsWidget +#include <QGraphicsObject> + +//! [0] +class SplashItem : public QGraphicsObject { Q_OBJECT public: - SplashItem(QGraphicsItem *parent = 0); - void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); - -protected: - void keyPressEvent(QKeyEvent *event); + explicit SplashItem(QGraphicsItem *parent = 0); -private Q_SLOTS: - void setValue(qreal value); + QRectF boundingRect() const; + void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0); private: - QTimeLine *timeLine; QString text; - qreal opacity; }; +//! [0] + +#endif // SPLASHITEM_H |