--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/sensors/panoramaWithSense/view.cpp Mon Oct 04 01:37:06 2010 +0300
@@ -0,0 +1,362 @@
+#include "view.h"
+#include "accelerometercontroller.h"
+#include "magnetometercontroller.h"
+#include "rotationcontroller.h"
+#include "orientationcontroller.h"
+#include "compasscontroller.h"
+#include "tapcontroller.h"
+#include <QDebug>
+#include <iostream>
+
+
+
+int View::m_imageWidth;
+int View::m_imageHeight;
+QString View::m_currentSensor;
+bool View::m_isStarted = true;
+
+
+
+View::View(QGraphicsScene *scene) :
+ QGraphicsView(scene), m_timer(this) ,m_delay(30){
+
+ qDebug()<<"in View now";
+
+ QPixmap bgPix(":/images/koskipuisto_pieni.jpg");
+ m_pix = bgPix;
+
+ setupWindow();
+
+ int h = height();
+ int y = qAbs(m_imageHeight-h)/2;
+ setSceneRect(0, y, width(), h);
+
+
+ m_sensors.append(InputController::QACCELEROMETER);
+ m_sensors.append(InputController::QORIENTATIONSENSOR);
+ m_sensors.append(InputController::QMAGNETOMETER);
+ m_sensors.append(InputController::QROTATIONSENSOR);
+ m_sensors.append(InputController::QTAPSENSOR);
+ m_sensors.append(InputController::QCOMPASS);
+ m_sensors.append(InputController::QKEYS);
+
+
+ m_menu = new QMenu(this);
+ createActions();
+ handleAction(NULL,InputController::QACCELEROMETER);
+
+ m_timer.setSingleShot(false);
+ m_timer.start(m_delay);
+
+ connect(&m_timer, SIGNAL(timeout()), this, SLOT(update()));
+ connect(this,SIGNAL(sceneRectChanged(QRectF)), this, SLOT(checkSensors(QRectF)));
+
+}
+
+
+View::~View(){
+ m_timer.stop();
+ if (m_controller) delete m_controller;
+ if (m_exController) delete m_exController;
+}
+
+
+void View::resizeEvent(QResizeEvent *event)
+{
+ QGraphicsView::resizeEvent(event);
+ fitInView(sceneRect(), Qt::KeepAspectRatio);
+}
+
+
+
+void View::handleAction(QString oldSensor, QString newSensor){
+
+ m_menu->setVisible(false);
+
+ if (oldSensor==newSensor) return;
+
+
+ QList<QAction*> tmpActions = m_menu->actions();
+ for (int i=0; i<tmpActions.length(); i++){
+ if (tmpActions.at(i)->text() == oldSensor){
+ tmpActions.at(i)->setEnabled(true);
+ continue;
+ }
+ if (tmpActions.at(i)->text() == newSensor){
+ tmpActions.at(i)->setEnabled(false);
+ }
+ }
+ m_currentSensor = newSensor;
+ switchController(m_currentSensor);
+
+}
+
+
+
+void View::createActions()
+{
+
+ for (int i=0; i<m_sensors.length();i++){
+ QAction* tmp = new QAction(m_sensors.at(i), this);
+
+ const QString sensor = m_sensors.at(i);
+ do{
+ if (sensor==InputController::QACCELEROMETER){
+ connect(tmp, SIGNAL(triggered()), this, SLOT(startAccelerometer()));
+ break;
+ }
+ if (sensor==InputController::QORIENTATIONSENSOR){
+ connect(tmp, SIGNAL(triggered()), this, SLOT(startOrientationSensor()));
+ break;
+ }
+ if (sensor==InputController::QROTATIONSENSOR){
+ connect(tmp, SIGNAL(triggered()), this, SLOT(startRotationSensor()));
+ break;
+ }
+ if (sensor==InputController::QMAGNETOMETER){
+ connect(tmp, SIGNAL(triggered()), this, SLOT(startMagnetometer()));
+ break;
+ }
+ if (sensor==InputController::QTAPSENSOR){
+ connect(tmp, SIGNAL(triggered()), this, SLOT(startTapSensor()));
+ break;
+ }
+ if (sensor==InputController::QCOMPASS){
+ connect(tmp, SIGNAL(triggered()), this, SLOT(startCompass()));
+ break;
+ }
+ if (sensor==InputController::QKEYS){
+ connect(tmp, SIGNAL(triggered()), this, SLOT(startKeys()));
+ break;
+ }
+ }while (true);
+ m_menu->addAction(tmp);
+ }
+
+}
+
+void View::startAccelerometer(){
+ handleAction(m_currentSensor, InputController::QACCELEROMETER);
+}
+
+void View::startOrientationSensor(){
+ handleAction(m_currentSensor, InputController::QORIENTATIONSENSOR);
+}
+
+void View::startTapSensor(){
+ handleAction(m_currentSensor, InputController::QTAPSENSOR);
+}
+
+void View::startMagnetometer(){
+ handleAction(m_currentSensor, InputController::QMAGNETOMETER);
+}
+
+void View::startRotationSensor(){
+ handleAction(m_currentSensor, InputController::QROTATIONSENSOR);
+}
+
+void View::startKeys(){
+ handleAction(m_currentSensor, InputController::QKEYS);
+}
+
+void View::startCompass(){
+ handleAction(m_currentSensor, InputController::QCOMPASS);
+}
+
+
+
+
+void View::keyPressEvent(QKeyEvent *e)
+{
+ if (m_currentSensor!=InputController::QKEYS) return;
+
+ if (m_controller) m_controller->keyPressEvent(e);
+}
+
+
+void View::switchController(QString sensor){
+
+ if (m_controller){
+ delete m_controller;
+ m_controller =0;
+ }
+
+ if (sensor==InputController::QACCELEROMETER){
+ m_controller = new AccelerometerController();
+ return;
+ }
+ if (sensor==InputController::QROTATIONSENSOR){
+ m_controller = new RotationController();
+ return;
+ }
+ if (sensor==InputController::QMAGNETOMETER){
+ m_controller = new MagnetometerController();
+ return;
+ }
+ if (sensor==InputController::QORIENTATIONSENSOR){
+ m_controller = new OrientationController();
+ return;
+ }
+ if (sensor==InputController::QTAPSENSOR){
+ m_controller = new TapController();
+ return;
+ }
+ if (sensor==InputController::QCOMPASS){
+ m_controller = new CompassController();
+ return;
+ }
+ if (sensor==InputController::QKEYS){
+ m_controller = new KeyController();
+ return;
+ }
+
+
+
+}
+
+
+int View::checkX(int x){
+ int tmpX = qAbs(x) < m_imageWidth ? x : x % m_imageWidth;
+ m_mouseMode?m_exController->setX(tmpX):m_controller->setX(tmpX);
+ return tmpX;
+
+}
+
+int View::checkY(int y){
+ int limit = m_imageHeight-height();
+ if (y<0){
+ y = limit<0?-limit/2:0;
+ }
+ else if (limit<0){
+ y=-limit/2;
+ }
+ else if (y > limit){y=limit;}
+
+ m_mouseMode?m_exController->setY(y):m_controller->setY(y);
+ return y;
+}
+
+
+
+void View::mousePressEvent ( QMouseEvent* ){
+ m_mousePressTime = QTime::currentTime();
+ m_exController = m_controller;
+ m_mouseMode = false;
+}
+
+
+void View::mouseMoveEvent(QMouseEvent* event){
+
+ // first time
+ if (!m_mouseMode){
+ m_mouseMode = true;
+ m_eventX = event->x();
+ m_eventY = event->y();
+ return;
+ }
+
+ if (m_menu->isVisible()){
+ if (m_mousePressTime.msecsTo(QTime::currentTime())>300)
+ m_menu->setVisible(false);
+ }
+
+ int cur_x = event->x();
+ int cur_y = event->y();
+
+ m_dx = m_eventX - cur_x;
+ m_dy = m_eventY - cur_y;
+
+ m_eventX = cur_x;
+ m_eventY = cur_y;
+
+ update();
+
+}
+
+
+
+void View::mouseReleaseEvent(QMouseEvent* event){
+ m_controller = m_exController;
+ m_exController = 0;
+ m_mouseMode = false;
+
+
+ if (m_menu->isVisible()){
+ m_menu->setVisible(false);
+ return;
+ }
+
+ // slow press -> move
+ if (m_mousePressTime.msecsTo(QTime::currentTime())>300) return;
+
+ // quick press -> show menu
+ int x = event->x();
+ int y = event->y();
+ m_menu->move(x, y);
+ m_menu->setVisible(true);
+
+}
+
+
+void View::update(){
+
+ if (!m_isStarted) return;
+
+ if (!m_mouseMode && m_controller)
+ m_controller->updateCoordinates();
+
+ if (m_menu->isVisible()){
+ if (m_mousePressTime.msecsTo(QTime::currentTime())>5000)
+ m_menu->setVisible(false);
+ }
+
+
+ int x = m_mouseMode?m_exController->getX():m_controller->getX();
+ int y = m_mouseMode?m_exController->getY():m_controller->getY();
+
+ x = checkX(m_mouseMode?x+m_dx:x);
+ y = checkY(m_mouseMode?y+m_dy:y);
+
+ setSceneRect(x, y, width(), height());
+}
+
+
+
+
+void View::setupWindow(){
+ int w = m_pix.width();
+ int h = m_pix.height();
+
+ if (m_imageWidth>0 && m_imageHeight > 0){
+ int x = m_controller? m_controller->getX(): (m_exController?m_exController->getX():0);
+ int y = m_controller? m_controller->getY(): (m_exController?m_exController->getY():0);
+
+ checkX(x*w/m_imageWidth);
+ checkY(y*h/m_imageHeight);
+ }
+
+
+ m_imageWidth = w;
+ m_imageHeight = h;
+
+
+ setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
+ setBackgroundBrush(m_pix);
+ setCacheMode(QGraphicsView::CacheBackground);
+ setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
+ setWindowTitle("PanoramaWithSense");
+
+}
+
+
+ void View::focusInEvent(QFocusEvent*) {
+ if (m_controller) m_controller->doStart();
+ m_isStarted = true;
+}
+
+ void View::focusOutEvent(QFocusEvent*) {
+ if (m_controller) m_controller->doStop();
+ m_isStarted = false;
+}
+
+