diff options
Diffstat (limited to 'examples/gestures/collidingmice')
-rw-r--r-- | examples/gestures/collidingmice/collidingmice.pro | 18 | ||||
-rw-r--r-- | examples/gestures/collidingmice/gesturerecognizerlinjazax.cpp | 213 | ||||
-rw-r--r-- | examples/gestures/collidingmice/gesturerecognizerlinjazax.h | 106 | ||||
-rw-r--r-- | examples/gestures/collidingmice/images/cheese.jpg | bin | 3029 -> 0 bytes | |||
-rw-r--r-- | examples/gestures/collidingmice/linjazaxgesture.h | 102 | ||||
-rw-r--r-- | examples/gestures/collidingmice/main.cpp | 163 | ||||
-rw-r--r-- | examples/gestures/collidingmice/mice.qrc | 5 | ||||
-rw-r--r-- | examples/gestures/collidingmice/mouse.cpp | 200 | ||||
-rw-r--r-- | examples/gestures/collidingmice/mouse.h | 72 |
9 files changed, 0 insertions, 879 deletions
diff --git a/examples/gestures/collidingmice/collidingmice.pro b/examples/gestures/collidingmice/collidingmice.pro deleted file mode 100644 index 15164ce..0000000 --- a/examples/gestures/collidingmice/collidingmice.pro +++ /dev/null @@ -1,18 +0,0 @@ -HEADERS += \ - mouse.h \ - gesturerecognizerlinjazax.h \ - linjazaxgesture.h - -SOURCES += \ - main.cpp \ - mouse.cpp \ - gesturerecognizerlinjazax.cpp - -RESOURCES += \ - mice.qrc - -# install -target.path = $$[QT_INSTALL_EXAMPLES]/gestures/collidingmice -sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS collidingmice.pro images -sources.path = $$[QT_INSTALL_EXAMPLES]/gestures/collidingmice -INSTALLS += target sources diff --git a/examples/gestures/collidingmice/gesturerecognizerlinjazax.cpp b/examples/gestures/collidingmice/gesturerecognizerlinjazax.cpp deleted file mode 100644 index 2070f6f..0000000 --- a/examples/gestures/collidingmice/gesturerecognizerlinjazax.cpp +++ /dev/null @@ -1,213 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** 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 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 http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "gesturerecognizerlinjazax.h" - -#include <QRegExp> -#include <QDebug> - -static const int SIZE = 20; - -DirectionSimpleRecognizer::DirectionSimpleRecognizer() -{ -} - -Direction DirectionSimpleRecognizer::addPosition(const QPoint &pos) -{ - if (!directions.isEmpty()) { - const QPoint tmp = pos - directions.back().point; - if (tmp.manhattanLength() < 5) - return Direction(); - } - if (lastPoint.isNull()) { - lastPoint = pos; - return Direction(); - } - int dx = pos.x() - lastPoint.x(); - int dy = pos.y() - lastPoint.y(); - QString direction; - if (dx < 0) { - if (-1*dx >= SIZE/2) - direction = "4"; - } else { - if (dx >= SIZE/2) - direction = "6"; - } - if (dy < 0) { - if (-1*dy >= SIZE/2) - direction = "8"; - } else { - if (dy >= SIZE/2) - direction = "2"; - } - if (direction.isEmpty()) - return Direction(); - - lastPoint = pos; - directions.push_back(Direction(direction, pos)); - return Direction(direction, pos); -} - - -DirectionList DirectionSimpleRecognizer::getDirections() const -{ - return directions; -} - -void DirectionSimpleRecognizer::reset() -{ - directions.clear(); - lastPoint = QPoint(); -} - -/////////////////////////////////////////////////////////////////////////// - -GestureRecognizerLinjaZax::GestureRecognizerLinjaZax() - : QGestureRecognizer(QLatin1String("LinjaZax")), mousePressed(false), gestureFinished(false), - zoomState(LinjaZaxGesture::NoZoom) -{ -} - -QGestureRecognizer::Result GestureRecognizerLinjaZax::filterEvent(const QEvent *event) -{ - if (zoomState != LinjaZaxGesture::NoZoom && !lastDirections.isEmpty()) { - lastDirections = lastDirections.right(1); - zoomState = LinjaZaxGesture::NoZoom; - } - - if (event->type() == QEvent::MouseButtonPress) { - if (!currentDirection.isEmpty()) { - reset(); - return QGestureRecognizer::NotGesture; - } - mousePressed = true; - const QMouseEvent *ev = static_cast<const QMouseEvent*>(event); - pressedPos = lastPos = currentPos = ev->pos(); - return QGestureRecognizer::MaybeGesture; - } else if (event->type() == QEvent::MouseButtonRelease) { - const QMouseEvent *ev = static_cast<const QMouseEvent*>(event); - if (mousePressed && !currentDirection.isEmpty()) { - gestureFinished = true; - currentPos = ev->pos(); - internalReset(); - return QGestureRecognizer::GestureFinished; - } - reset(); - return QGestureRecognizer::NotGesture; - } else if (event->type() == QEvent::MouseMove) { - if (!mousePressed) - return QGestureRecognizer::NotGesture; - lastPos = currentPos; - const QMouseEvent *ev = static_cast<const QMouseEvent*>(event); - currentPos = ev->pos(); - QString direction = - simpleRecognizer.addPosition(ev->pos()).direction; - QGestureRecognizer::Result result = QGestureRecognizer::NotGesture; - if (currentDirection.isEmpty()) { - if (direction.isEmpty()) - result = QGestureRecognizer::MaybeGesture; - else - result = QGestureRecognizer::GestureStarted; - } else { - result = QGestureRecognizer::GestureStarted; - } - if (!direction.isEmpty()) { - lastDirections.append(direction); - currentDirection = direction; - if (lastDirections.length() > 5) - lastDirections.remove(0, 1); - if (lastDirections.contains("248") || lastDirections.contains("2448")) - zoomState = LinjaZaxGesture::ZoomingIn; - else if (lastDirections.contains("268") || lastDirections.contains("2668")) - zoomState = LinjaZaxGesture::ZoomingOut; - } - return result; - } - return QGestureRecognizer::NotGesture; -} - -static inline LinjaZaxGesture::DirectionType convertPanningDirection(const QString &direction) -{ - if (direction.length() == 1) { - if (direction == "4") - return LinjaZaxGesture::Left; - else if (direction == "6") - return LinjaZaxGesture::Right; - else if (direction == "8") - return LinjaZaxGesture::Up; - else if (direction == "2") - return LinjaZaxGesture::Down; - } - return LinjaZaxGesture::None; -} - -QGesture* GestureRecognizerLinjaZax::getGesture() -{ - LinjaZaxGesture::DirectionType dir = convertPanningDirection(currentDirection); - LinjaZaxGesture::DirectionType lastDir = convertPanningDirection(lastDirections.right(1)); - if (dir == LinjaZaxGesture::None) - return 0; - LinjaZaxGesture *g = - new LinjaZaxGesture(this, pressedPos, lastPos, currentPos, - QRect(), pressedPos, QDateTime(), 0, - gestureFinished ? Qt::GestureFinished : Qt::GestureStarted); - g->lastDirection_ = lastDir; - g->direction_ = dir; - g->zoomState_ = zoomState; - - return g; -} - -void GestureRecognizerLinjaZax::reset() -{ - mousePressed = false; - lastDirections.clear(); - currentDirection.clear(); - gestureFinished = false; - simpleRecognizer.reset(); - zoomState = LinjaZaxGesture::NoZoom; -} - -void GestureRecognizerLinjaZax::internalReset() -{ - mousePressed = false; - simpleRecognizer.reset(); -} diff --git a/examples/gestures/collidingmice/gesturerecognizerlinjazax.h b/examples/gestures/collidingmice/gesturerecognizerlinjazax.h deleted file mode 100644 index 79b2c2b..0000000 --- a/examples/gestures/collidingmice/gesturerecognizerlinjazax.h +++ /dev/null @@ -1,106 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** 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 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 http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef GESTURERECOGNIZERLINJAZAX_H -#define GESTURERECOGNIZERLINJAZAX_H - -#include <QList> -#include <QPoint> -#include <QString> -#include <QGesture> -#include <QGestureRecognizer> - -#include "linjazaxgesture.h" - -struct Direction -{ - QString direction; - QPoint point; - - Direction(QString dir, const QPoint &pt) - : direction(dir), point(pt) { } - Direction() - : direction() { } - - inline bool isEmpty() const { return direction.isEmpty(); } - inline bool isNull() const { return direction.isEmpty(); } -}; -typedef QList<Direction> DirectionList; - -class DirectionSimpleRecognizer -{ -public: - DirectionSimpleRecognizer(); - Direction addPosition(const QPoint &pos); - DirectionList getDirections() const; - void reset(); - -private: - QPoint lastPoint; - DirectionList directions; -}; - -class GestureRecognizerLinjaZax : public QGestureRecognizer -{ - Q_OBJECT -public: - GestureRecognizerLinjaZax(); - - QGestureRecognizer::Result filterEvent(const QEvent *event); - QGesture* getGesture(); - - void reset(); - -private: - void internalReset(); - - QPoint pressedPos; - QPoint lastPos; - QPoint currentPos; - bool mousePressed; - bool gestureFinished; - QString lastDirections; - QString currentDirection; - DirectionSimpleRecognizer simpleRecognizer; - LinjaZaxGesture::ZoomState zoomState; -}; - -#endif diff --git a/examples/gestures/collidingmice/images/cheese.jpg b/examples/gestures/collidingmice/images/cheese.jpg Binary files differdeleted file mode 100644 index dea5795..0000000 --- a/examples/gestures/collidingmice/images/cheese.jpg +++ /dev/null diff --git a/examples/gestures/collidingmice/linjazaxgesture.h b/examples/gestures/collidingmice/linjazaxgesture.h deleted file mode 100644 index 53b907e..0000000 --- a/examples/gestures/collidingmice/linjazaxgesture.h +++ /dev/null @@ -1,102 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** 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 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 http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef LINJAZAXGESTURE_H -#define LINJAZAXGESTURE_H - -#include <QGesture> - -class LinjaZaxGesture : public QGesture -{ -public: - enum DirectionType - { - None = 0, - LeftDown = 1, - DownLeft = LeftDown, - Down = 2, - RightDown = 3, - DownRight = RightDown, - Left = 4, - Right = 6, - LeftUp = 7, - UpLeft = LeftUp, - Up = 8, - RightUp = 9, - UpRight = RightUp - }; - - enum ZoomState - { - NoZoom, - ZoomingIn, - ZoomingOut - }; - -public: - explicit LinjaZaxGesture(QObject *parent, - Qt::GestureState state = Qt::GestureStarted) - : QGesture(parent, QLatin1String("LinjaZax"), state), lastDirection_(None), - direction_(None), zoomState_(NoZoom) { } - LinjaZaxGesture(QObject *parent, const QPoint &startPos, - const QPoint &lastPos, const QPoint &pos, const QRect &rect, - const QPoint &hotSpot, const QDateTime &startTime, - uint duration, Qt::GestureState state) - : QGesture(parent, QLatin1String("LinjaZax"), startPos, lastPos, - pos, rect, hotSpot, startTime, duration, state) { } - ~LinjaZaxGesture() { } - - DirectionType lastDirection() const - { return lastDirection_; } - DirectionType direction() const - { return direction_; } - - ZoomState zoomState() const - { return zoomState_; } - -private: - DirectionType lastDirection_; - DirectionType direction_; - ZoomState zoomState_; - friend class GestureRecognizerLinjaZax; -}; - -#endif diff --git a/examples/gestures/collidingmice/main.cpp b/examples/gestures/collidingmice/main.cpp deleted file mode 100644 index 3638442..0000000 --- a/examples/gestures/collidingmice/main.cpp +++ /dev/null @@ -1,163 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** 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 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 http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "mouse.h" - -#include "gesturerecognizerlinjazax.h" -#include "linjazaxgesture.h" - -#include <QtGui> - -#include <math.h> - -#define ZOOMING_ANIMATION -#ifdef ZOOMING_ANIMATION -static const int AnimationSteps = 10; -#endif - -static const int MouseCount = 7; - -class PannableGraphicsView : public QGraphicsView -{ - Q_OBJECT -public: - PannableGraphicsView(QGraphicsScene *scene, QWidget *parent = 0) - : QGraphicsView(scene, parent) - { - grabGesture(QLatin1String("LinjaZax")); -#ifdef ZOOMING_ANIMATION - timeline = new QTimeLine(700, this); - timeline->setFrameRange(0, AnimationSteps); - connect(timeline, SIGNAL(frameChanged(int)), this, SLOT(animationStep(int))); -#endif - } -protected: - bool event(QEvent *event) - { - if (event->type() == QEvent::Gesture) { - QGestureEvent *ge = static_cast<QGestureEvent*>(event); - const LinjaZaxGesture *g = static_cast<const LinjaZaxGesture*>(ge->gesture("LinjaZax")); - if (g) { - switch (g->zoomState()) { - case LinjaZaxGesture::ZoomingIn: -#ifdef ZOOMING_ANIMATION - scaleStep = 1. + 0.5/AnimationSteps; - timeline->stop(); - timeline->start(); -#else - scale(1.5, 1.5); -#endif - break; - case LinjaZaxGesture::ZoomingOut: -#ifdef ZOOMING_ANIMATION - scaleStep = 1. - 0.5/AnimationSteps; - timeline->stop(); - timeline->start(); -#else - scale(0.6, 0.6); -#endif - break; - default: - break; - }; - QPoint pt = g->pos() - g->lastPos(); - horizontalScrollBar()->setValue(horizontalScrollBar()->value() - pt.x()); - verticalScrollBar()->setValue(verticalScrollBar()->value() - pt.y()); - event->accept(); - return true; - } - } - return QGraphicsView::event(event); - } -private slots: -#ifdef ZOOMING_ANIMATION - void animationStep(int step) - { - scale(scaleStep, scaleStep); - } -private: - qreal scaleStep; - QTimeLine *timeline; -#endif -}; - -//! [0] -int main(int argc, char **argv) -{ - QApplication app(argc, argv); - app.addGestureRecognizer(new GestureRecognizerLinjaZax); - qsrand(QTime(0,0,0).secsTo(QTime::currentTime())); -//! [0] - -//! [1] - QGraphicsScene scene; - scene.setSceneRect(-600, -600, 1200, 1200); -//! [1] //! [2] - scene.setItemIndexMethod(QGraphicsScene::NoIndex); -//! [2] - -//! [3] - for (int i = 0; i < MouseCount; ++i) { - Mouse *mouse = new Mouse; - mouse->setPos(::sin((i * 6.28) / MouseCount) * 200, - ::cos((i * 6.28) / MouseCount) * 200); - scene.addItem(mouse); - } -//! [3] - -//! [4] - PannableGraphicsView view(&scene); - view.setRenderHint(QPainter::Antialiasing); - view.setBackgroundBrush(QPixmap(":/images/cheese.jpg")); -//! [4] //! [5] - view.setCacheMode(QGraphicsView::CacheBackground); - view.setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate); - //view.setDragMode(QGraphicsView::ScrollHandDrag); -//! [5] //! [6] - view.setWindowTitle(QT_TRANSLATE_NOOP(QGraphicsView, "Colliding Mice")); - view.resize(400, 300); - view.show(); - - return app.exec(); -} -//! [6] - -#include "main.moc" diff --git a/examples/gestures/collidingmice/mice.qrc b/examples/gestures/collidingmice/mice.qrc deleted file mode 100644 index accdb4d..0000000 --- a/examples/gestures/collidingmice/mice.qrc +++ /dev/null @@ -1,5 +0,0 @@ -<RCC> - <qresource prefix="/" > - <file>images/cheese.jpg</file> - </qresource> -</RCC> diff --git a/examples/gestures/collidingmice/mouse.cpp b/examples/gestures/collidingmice/mouse.cpp deleted file mode 100644 index 256811a..0000000 --- a/examples/gestures/collidingmice/mouse.cpp +++ /dev/null @@ -1,200 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** 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 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 http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "mouse.h" - -#include <QGraphicsScene> -#include <QPainter> -#include <QStyleOption> - -#include <math.h> - -static const double Pi = 3.14159265358979323846264338327950288419717; -static double TwoPi = 2.0 * Pi; - -static qreal normalizeAngle(qreal angle) -{ - while (angle < 0) - angle += TwoPi; - while (angle > TwoPi) - angle -= TwoPi; - return angle; -} - -//! [0] -Mouse::Mouse() - : angle(0), speed(0), mouseEyeDirection(0), - color(qrand() % 256, qrand() % 256, qrand() % 256) -{ - rotate(qrand() % (360 * 16)); - startTimer(1000 / 33); -} -//! [0] - -//! [1] -QRectF Mouse::boundingRect() const -{ - qreal adjust = 0.5; - return QRectF(-18 - adjust, -22 - adjust, - 36 + adjust, 60 + adjust); -} -//! [1] - -//! [2] -QPainterPath Mouse::shape() const -{ - QPainterPath path; - path.addRect(-10, -20, 20, 40); - return path; -} -//! [2] - -//! [3] -void Mouse::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) -{ - // Body - painter->setBrush(color); - painter->drawEllipse(-10, -20, 20, 40); - - // Eyes - painter->setBrush(Qt::white); - painter->drawEllipse(-10, -17, 8, 8); - painter->drawEllipse(2, -17, 8, 8); - - // Nose - painter->setBrush(Qt::black); - painter->drawEllipse(QRectF(-2, -22, 4, 4)); - - // Pupils - painter->drawEllipse(QRectF(-8.0 + mouseEyeDirection, -17, 4, 4)); - painter->drawEllipse(QRectF(4.0 + mouseEyeDirection, -17, 4, 4)); - - // Ears - painter->setBrush(scene()->collidingItems(this).isEmpty() ? Qt::darkYellow : Qt::red); - painter->drawEllipse(-17, -12, 16, 16); - painter->drawEllipse(1, -12, 16, 16); - - // Tail - QPainterPath path(QPointF(0, 20)); - path.cubicTo(-5, 22, -5, 22, 0, 25); - path.cubicTo(5, 27, 5, 32, 0, 30); - path.cubicTo(-5, 32, -5, 42, 0, 35); - painter->setBrush(Qt::NoBrush); - painter->drawPath(path); -} -//! [3] - -//! [4] -void Mouse::timerEvent(QTimerEvent *) -{ -//! [4] - // Don't move too far away -//! [5] - QLineF lineToCenter(QPointF(0, 0), mapFromScene(0, 0)); - if (lineToCenter.length() > 150) { - qreal angleToCenter = ::acos(lineToCenter.dx() / lineToCenter.length()); - if (lineToCenter.dy() < 0) - angleToCenter = TwoPi - angleToCenter; - angleToCenter = normalizeAngle((Pi - angleToCenter) + Pi / 2); - - if (angleToCenter < Pi && angleToCenter > Pi / 4) { - // Rotate left - angle += (angle < -Pi / 2) ? 0.25 : -0.25; - } else if (angleToCenter >= Pi && angleToCenter < (Pi + Pi / 2 + Pi / 4)) { - // Rotate right - angle += (angle < Pi / 2) ? 0.25 : -0.25; - } - } else if (::sin(angle) < 0) { - angle += 0.25; - } else if (::sin(angle) > 0) { - angle -= 0.25; -//! [5] //! [6] - } -//! [6] - - // Try not to crash with any other mice -//! [7] - QList<QGraphicsItem *> dangerMice = scene()->items(QPolygonF() - << mapToScene(0, 0) - << mapToScene(-30, -50) - << mapToScene(30, -50)); - foreach (QGraphicsItem *item, dangerMice) { - if (item == this) - continue; - - QLineF lineToMouse(QPointF(0, 0), mapFromItem(item, 0, 0)); - qreal angleToMouse = ::acos(lineToMouse.dx() / lineToMouse.length()); - if (lineToMouse.dy() < 0) - angleToMouse = TwoPi - angleToMouse; - angleToMouse = normalizeAngle((Pi - angleToMouse) + Pi / 2); - - if (angleToMouse >= 0 && angleToMouse < Pi / 2) { - // Rotate right - angle += 0.5; - } else if (angleToMouse <= TwoPi && angleToMouse > (TwoPi - Pi / 2)) { - // Rotate left - angle -= 0.5; -//! [7] //! [8] - } -//! [8] //! [9] - } -//! [9] - - // Add some random movement -//! [10] - if (dangerMice.size() > 1 && (qrand() % 10) == 0) { - if (qrand() % 1) - angle += (qrand() % 100) / 500.0; - else - angle -= (qrand() % 100) / 500.0; - } -//! [10] - -//! [11] - speed += (-50 + qrand() % 100) / 100.0; - - qreal dx = ::sin(angle) * 10; - mouseEyeDirection = (qAbs(dx / 5) < 1) ? 0 : dx / 5; - - rotate(dx); - setPos(mapToParent(0, -(3 + sin(speed) * 3))); -} -//! [11] diff --git a/examples/gestures/collidingmice/mouse.h b/examples/gestures/collidingmice/mouse.h deleted file mode 100644 index 6c8486f..0000000 --- a/examples/gestures/collidingmice/mouse.h +++ /dev/null @@ -1,72 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** 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 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 http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef MOUSE_H -#define MOUSE_H - -#include <QGraphicsItem> -#include <QObject> - -//! [0] -class Mouse : public QObject, public QGraphicsItem -{ - Q_OBJECT - -public: - Mouse(); - - QRectF boundingRect() const; - QPainterPath shape() const; - void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, - QWidget *widget); - -protected: - void timerEvent(QTimerEvent *event); - -private: - qreal angle; - qreal speed; - qreal mouseEyeDirection; - QColor color; -}; -//! [0] - -#endif |