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Diffstat (limited to 'examples/graphicsview/padnavigator/panel.cpp')
| -rw-r--r-- | examples/graphicsview/padnavigator/panel.cpp | 238 |
1 files changed, 0 insertions, 238 deletions
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); -} |