diff options
Diffstat (limited to 'examples/graphicsview/padnavigator')
19 files changed, 1037 insertions, 0 deletions
diff --git a/examples/graphicsview/padnavigator/backside.ui b/examples/graphicsview/padnavigator/backside.ui new file mode 100644 index 0000000..afa488c --- /dev/null +++ b/examples/graphicsview/padnavigator/backside.ui @@ -0,0 +1,208 @@ +<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/images/artsfftscope.png b/examples/graphicsview/padnavigator/images/artsfftscope.png Binary files differnew file mode 100644 index 0000000..4db003f --- /dev/null +++ b/examples/graphicsview/padnavigator/images/artsfftscope.png diff --git a/examples/graphicsview/padnavigator/images/blue_angle_swirl.jpg b/examples/graphicsview/padnavigator/images/blue_angle_swirl.jpg Binary files differnew file mode 100644 index 0000000..5bf0deb --- /dev/null +++ b/examples/graphicsview/padnavigator/images/blue_angle_swirl.jpg diff --git a/examples/graphicsview/padnavigator/images/kontact_contacts.png b/examples/graphicsview/padnavigator/images/kontact_contacts.png Binary files differnew file mode 100644 index 0000000..6fb4cc8 --- /dev/null +++ b/examples/graphicsview/padnavigator/images/kontact_contacts.png diff --git a/examples/graphicsview/padnavigator/images/kontact_journal.png b/examples/graphicsview/padnavigator/images/kontact_journal.png Binary files differnew file mode 100644 index 0000000..b1fedb6 --- /dev/null +++ b/examples/graphicsview/padnavigator/images/kontact_journal.png diff --git a/examples/graphicsview/padnavigator/images/kontact_mail.png b/examples/graphicsview/padnavigator/images/kontact_mail.png Binary files differnew file mode 100644 index 0000000..672f8fa --- /dev/null +++ b/examples/graphicsview/padnavigator/images/kontact_mail.png diff --git a/examples/graphicsview/padnavigator/images/kontact_notes.png b/examples/graphicsview/padnavigator/images/kontact_notes.png Binary files differnew file mode 100644 index 0000000..229bf73 --- /dev/null +++ b/examples/graphicsview/padnavigator/images/kontact_notes.png diff --git a/examples/graphicsview/padnavigator/images/kopeteavailable.png b/examples/graphicsview/padnavigator/images/kopeteavailable.png Binary files differnew file mode 100644 index 0000000..2eaf41a --- /dev/null +++ b/examples/graphicsview/padnavigator/images/kopeteavailable.png diff --git a/examples/graphicsview/padnavigator/images/metacontact_online.png b/examples/graphicsview/padnavigator/images/metacontact_online.png Binary files differnew file mode 100644 index 0000000..6a398dd --- /dev/null +++ b/examples/graphicsview/padnavigator/images/metacontact_online.png diff --git a/examples/graphicsview/padnavigator/images/minitools.png b/examples/graphicsview/padnavigator/images/minitools.png Binary files differnew file mode 100644 index 0000000..0248c9d --- /dev/null +++ b/examples/graphicsview/padnavigator/images/minitools.png diff --git a/examples/graphicsview/padnavigator/main.cpp b/examples/graphicsview/padnavigator/main.cpp new file mode 100644 index 0000000..dc5ff0c --- /dev/null +++ b/examples/graphicsview/padnavigator/main.cpp @@ -0,0 +1,59 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui> +#ifndef QT_NO_OPENGL +# include <QtOpenGL> +#endif + +#include "panel.h" + +int main(int argc, char *argv[]) +{ + QApplication app(argc, argv); + Q_INIT_RESOURCE(padnavigator); + + Panel panel(3, 3); + panel.setFocus(); + panel.show(); + + return app.exec(); +} diff --git a/examples/graphicsview/padnavigator/padnavigator.pro b/examples/graphicsview/padnavigator/padnavigator.pro new file mode 100644 index 0000000..0d094c6 --- /dev/null +++ b/examples/graphicsview/padnavigator/padnavigator.pro @@ -0,0 +1,24 @@ +HEADERS += \ + panel.h \ + roundrectitem.h \ + splashitem.h + +SOURCES += \ + panel.cpp \ + roundrectitem.cpp \ + splashitem.cpp \ + main.cpp + +RESOURCES += \ + padnavigator.qrc + +FORMS += \ + backside.ui + +contains(QT_CONFIG, opengl):QT += opengl + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/graphicsview/padnavigator +sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS padnavigator.pro images +sources.path = $$[QT_INSTALL_EXAMPLES]/graphicsview/padnavigator +INSTALLS += target sources diff --git a/examples/graphicsview/padnavigator/padnavigator.qrc b/examples/graphicsview/padnavigator/padnavigator.qrc new file mode 100644 index 0000000..30ee8e1 --- /dev/null +++ b/examples/graphicsview/padnavigator/padnavigator.qrc @@ -0,0 +1,14 @@ +<RCC> + <qresource> + <file>images/blue_angle_swirl.jpg</file> + <file>images/artsfftscope.png</file> + <file>images/kontact_contacts.png</file> + <file>images/kontact_journal.png</file> + <file>images/kontact_mail.png</file> + <file>images/kontact_notes.png</file> + <file>images/kopeteavailable.png</file> + <file>images/metacontact_online.png</file> + <file>images/minitools.png</file> + <file>images/blue_angle_swirl.jpg</file> + </qresource> +</RCC> diff --git a/examples/graphicsview/padnavigator/panel.cpp b/examples/graphicsview/padnavigator/panel.cpp new file mode 100644 index 0000000..28a3cb4 --- /dev/null +++ b/examples/graphicsview/padnavigator/panel.cpp @@ -0,0 +1,238 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@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/panel.h b/examples/graphicsview/padnavigator/panel.h new file mode 100644 index 0000000..03876b7 --- /dev/null +++ b/examples/graphicsview/padnavigator/panel.h @@ -0,0 +1,92 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtGui/qgraphicsview.h> + +QT_BEGIN_NAMESPACE +class QTimeLine; +class Ui_BackSide; +QT_END_NAMESPACE; + +class RoundRectItem; + +class Panel : public QGraphicsView +{ + Q_OBJECT +public: + Panel(int width, int height); + ~Panel(); + +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; +}; diff --git a/examples/graphicsview/padnavigator/roundrectitem.cpp b/examples/graphicsview/padnavigator/roundrectitem.cpp new file mode 100644 index 0000000..c5dc35d --- /dev/null +++ b/examples/graphicsview/padnavigator/roundrectitem.cpp @@ -0,0 +1,164 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "roundrectitem.h" + +#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) +{ + 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)); + } +} + +void RoundRectItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) +{ + 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);; + } +} + +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); +} + +void RoundRectItem::setOpacity(qreal opacity) +{ + opa = opacity; + update(); +} + +void RoundRectItem::keyPressEvent(QKeyEvent *event) +{ + if (event->isAutoRepeat() || event->key() != Qt::Key_Return + || (timeLine.state() == QTimeLine::Running && timeLine.direction() == QTimeLine::Forward)) { + QGraphicsRectItem::keyPressEvent(event); + return; + } + + timeLine.stop(); + timeLine.setDirection(QTimeLine::Forward); + timeLine.start(); + emit activated(); +} + +void RoundRectItem::keyReleaseEvent(QKeyEvent *event) +{ + if (event->key() != Qt::Key_Return) { + QGraphicsRectItem::keyReleaseEvent(event); + return; + } + timeLine.stop(); + timeLine.setDirection(QTimeLine::Backward); + timeLine.start(); +} + +void RoundRectItem::updateValue(qreal value) +{ + lastVal = value; + if (!proxyWidget) + setTransform(QTransform().scale(1 - value / 10.0, 1 - value / 10.0)); +} diff --git a/examples/graphicsview/padnavigator/roundrectitem.h b/examples/graphicsview/padnavigator/roundrectitem.h new file mode 100644 index 0000000..33e33d7 --- /dev/null +++ b/examples/graphicsview/padnavigator/roundrectitem.h @@ -0,0 +1,83 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtCore/qobject.h> +#include <QtCore/qtimeline.h> +#include <QtGui/qgraphicsitem.h> +#include <QtGui/qbrush.h> + +QT_BEGIN_NAMESPACE +class QGraphicsProxyWidget; +QT_END_NAMESPACE; + +class RoundRectItem : public QObject, public QGraphicsRectItem +{ + Q_OBJECT +public: + RoundRectItem(const QRectF &rect, const QBrush &brush, QWidget *embeddedWidget = 0); + + void paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *); + QRectF boundingRect() 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); + +private slots: + void updateValue(qreal value); + +private: + QBrush brush; + QPixmap pix; + QTimeLine timeLine; + qreal lastVal; + qreal opa; + + QGraphicsProxyWidget *proxyWidget; +}; diff --git a/examples/graphicsview/padnavigator/splashitem.cpp b/examples/graphicsview/padnavigator/splashitem.cpp new file mode 100644 index 0000000..2a374bf --- /dev/null +++ b/examples/graphicsview/padnavigator/splashitem.cpp @@ -0,0 +1,92 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "splashitem.h" + +#include <QtGui/QtGui> + +SplashItem::SplashItem(QGraphicsItem *parent) + : QGraphicsWidget(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); +} + +void SplashItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) +{ + painter->setOpacity(opacity); + painter->setPen(QPen(Qt::black, 2)); + painter->setBrush(QColor(245, 245, 255, 220)); + painter->setClipRect(rect()); + painter->drawRoundRect(3, -100 + 3, 400 - 6, 250 - 6); + + QRectF textRect = rect().adjusted(10, 10, -10, -10); + int flags = Qt::AlignTop | Qt::AlignLeft | Qt::TextWordWrap; + + QFont font; + font.setPixelSize(18); + painter->setPen(Qt::black); + 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(); +} diff --git a/examples/graphicsview/padnavigator/splashitem.h b/examples/graphicsview/padnavigator/splashitem.h new file mode 100644 index 0000000..982bbe2 --- /dev/null +++ b/examples/graphicsview/padnavigator/splashitem.h @@ -0,0 +1,63 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtCore/qobject.h> +#include <QtCore/qtimeline.h> +#include <QtGui/qgraphicswidget.h> + +class SplashItem : public QGraphicsWidget +{ + Q_OBJECT +public: + SplashItem(QGraphicsItem *parent = 0); + void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); + +protected: + void keyPressEvent(QKeyEvent *event); + +private Q_SLOTS: + void setValue(qreal value); + +private: + QTimeLine *timeLine; + QString text; + qreal opacity; +}; |
