qtmobility/examples/sensors/panorama/view.cpp
changeset 14 6fbed849b4f4
parent 11 06b8e2af4411
equal deleted inserted replaced
11:06b8e2af4411 14:6fbed849b4f4
     4 #include "accelerometercontroller.h"
     4 #include "accelerometercontroller.h"
     5 #include "magnetometercontroller.h"
     5 #include "magnetometercontroller.h"
     6 #include "rotationcontroller.h"
     6 #include "rotationcontroller.h"
     7 #include "orientationcontroller.h"
     7 #include "orientationcontroller.h"
     8 #include "compasscontroller.h"
     8 #include "compasscontroller.h"
       
     9 #include "tapcontroller.h"
     9 
    10 
    10 int View::m_imageWidth;
    11 int View::m_imageWidth;
    11 int View::m_imageHeight;
    12 int View::m_imageHeight;
    12 QString View::m_currentSensor;
    13 QString View::m_currentSensor;
       
    14 bool View::m_isToBeZoomed;
       
    15 int View::m_lightLevel = -1;
       
    16 int View::m_scaledHeight[4];
       
    17 int View::m_index = 3;
    13 
    18 
    14 View::View(QGraphicsScene *scene) :
    19 View::View(QGraphicsScene *scene) :
    15         QGraphicsView(scene), m_timer(this) ,m_delay(30){
    20         QGraphicsView(scene), m_timer(this) ,m_delay(30){
    16 
    21 
    17     m_controller = 0;
       
    18 
       
    19     QPixmap bgPix(":/images/koskipuisto_pieni.jpg");
    22     QPixmap bgPix(":/images/koskipuisto_pieni.jpg");
    20     m_pix = bgPix;
    23     m_pix = bgPix;
    21     m_imageWidth = bgPix.width();
    24     setupWindow();
    22     m_imageHeight = bgPix.height();
    25     m_scaledHeight[0] = m_imageHeight*1.5;
    23     int h= height();
    26     m_scaledHeight[1] = m_imageHeight*2;
       
    27     m_scaledHeight[2] = (int)(m_imageHeight*0.5);
       
    28     m_scaledHeight[3] = m_imageHeight;
       
    29 
       
    30     int h = height();
    24     int y = qAbs(m_imageHeight-h)/2;
    31     int y = qAbs(m_imageHeight-h)/2;
    25     setSceneRect(0, y, width(), h);
    32     setSceneRect(0, y, width(), h);
    26 
    33 
    27     setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
       
    28     setBackgroundBrush(bgPix);
       
    29     setCacheMode(QGraphicsView::CacheBackground);
       
    30     setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
       
    31     setWindowTitle("Panorama");
       
    32 
    34 
    33     m_sensors.append(InputController::QACCELEROMETER);
    35     m_sensors.append(InputController::QACCELEROMETER);
    34     m_sensors.append(InputController::QORIENTATIONSENSOR);
    36     m_sensors.append(InputController::QORIENTATIONSENSOR);
    35     m_sensors.append(InputController::QMAGNETOMETER);
    37     m_sensors.append(InputController::QMAGNETOMETER);
    36     m_sensors.append(InputController::QROTATIONSENSOR);
    38     m_sensors.append(InputController::QROTATIONSENSOR);
    38     m_sensors.append(InputController::QCOMPASS);
    40     m_sensors.append(InputController::QCOMPASS);
    39     m_sensors.append(InputController::QKEYS);
    41     m_sensors.append(InputController::QKEYS);
    40 
    42 
    41 
    43 
    42     m_menu = new QMenu(this);
    44     m_menu = new QMenu(this);
    43 
       
    44     createActions();
    45     createActions();
    45     handleAction(NULL,InputController::QACCELEROMETER);
    46     handleAction(NULL,InputController::QACCELEROMETER);
    46 
    47 
    47     m_timer.setSingleShot(false);
    48     m_timer.setSingleShot(false);
    48     m_timer.start(m_delay);
    49     m_timer.start(m_delay);
    49     connect(&m_timer, SIGNAL(timeout()), this, SLOT(update()));
    50     connect(&m_timer, SIGNAL(timeout()), this, SLOT(update()));
    50 }
    51 
    51 
    52 
    52 View::~View(){ if (m_controller) delete m_controller;}
    53     m_proximitySensor.connectToBackend();
       
    54     m_proximitySensor.start();
       
    55     connect(&m_proximitySensor, SIGNAL(readingChanged()), this, SLOT(handleProximity()));
       
    56 
       
    57     m_ambientLightSensor.connectToBackend();
       
    58     m_ambientLightSensor.start();
       
    59     connect(&m_ambientLightSensor, SIGNAL(readingChanged()), this, SLOT(handleALS()));
       
    60 
       
    61 }
       
    62 
       
    63 
       
    64 View::~View(){
       
    65     m_timer.stop();
       
    66     if (m_controller) delete m_controller;
       
    67     if (m_exController) delete m_exController;
       
    68 }
    53 
    69 
    54 
    70 
    55 void View::resizeEvent(QResizeEvent *event)
    71 void View::resizeEvent(QResizeEvent *event)
    56 {
    72 {
    57     QGraphicsView::resizeEvent(event);
    73     QGraphicsView::resizeEvent(event);
   153 void View::startCompass(){
   169 void View::startCompass(){
   154     handleAction(m_currentSensor, InputController::QCOMPASS);
   170     handleAction(m_currentSensor, InputController::QCOMPASS);
   155 }
   171 }
   156 
   172 
   157 
   173 
   158 void View::update(){
       
   159     if (m_mouseMode){
       
   160         m_x = checkX(m_x + m_dx);
       
   161         m_y = checkY(m_y+ m_dy);
       
   162     }
       
   163     else{
       
   164         if (m_controller){
       
   165             m_x = checkX(m_controller->getX());
       
   166             m_y = checkY(m_controller->getY());
       
   167         }
       
   168     }
       
   169     setSceneRect(m_x, m_y, width(), height());
       
   170 }
       
   171 
   174 
   172 
   175 
   173 void View::keyPressEvent(QKeyEvent *e)
   176 void View::keyPressEvent(QKeyEvent *e)
   174 {
   177 {
   175     if (m_currentSensor!=InputController::QKEYS) return;
   178     if (m_currentSensor!=InputController::QKEYS) return;
   183     if (m_controller){
   186     if (m_controller){
   184         delete m_controller;
   187         delete m_controller;
   185         m_controller =0;
   188         m_controller =0;
   186     }
   189     }
   187 
   190 
   188     do{
   191     if (sensor==InputController::QACCELEROMETER){
   189         if (sensor==InputController::QACCELEROMETER){
   192         m_controller = new AccelerometerController();
   190             m_controller = new AccelerometerController();
   193         return;
   191             break;
   194     }
   192         }
   195     if (sensor==InputController::QROTATIONSENSOR){
   193         if (sensor==InputController::QROTATIONSENSOR){
   196         m_controller = new RotationController();
   194             m_controller = new RotationController();
   197         return;
   195             break;
   198     }
   196         }
   199     if (sensor==InputController::QMAGNETOMETER){
   197         if (sensor==InputController::QMAGNETOMETER){
   200         m_controller = new MagnetometerController();
   198             m_controller = new MagnetometerController();
   201         return;
   199             break;
   202     }
   200         }
   203     if (sensor==InputController::QORIENTATIONSENSOR){
   201         if (sensor==InputController::QORIENTATIONSENSOR){
   204         m_controller = new OrientationController();
   202             m_controller = new OrientationController();
   205         return;
   203             break;
   206     }
   204         }
   207     if (sensor==InputController::QTAPSENSOR){
   205 
   208         m_controller = new TapController();
   206         if (sensor==InputController::QTAPSENSOR){
   209         return;
   207             break;
   210     }
   208         }
   211     if (sensor==InputController::QCOMPASS){
   209         if (sensor==InputController::QCOMPASS){
   212         m_controller = new CompassController();
   210             m_controller = new CompassController();
   213         return;
   211             break;
   214     }
   212         }
   215     if (sensor==InputController::QKEYS){
   213         if (sensor==InputController::QKEYS){
   216         m_controller = new KeyController();
   214             m_controller = new KeyController();
   217         return;
   215             break;
   218     }
   216         }
   219 
   217 
   220 
   218     }while (true);
       
   219 
       
   220     if (m_controller) m_controller->start();
       
   221 
   221 
   222 }
   222 }
   223 
   223 
   224 
   224 
   225 int View::checkX(int x){
   225 int View::checkX(int x){
   226     return qAbs(x) < m_imageWidth ? x : x % m_imageWidth;
   226     int tmpX = qAbs(x) < m_imageWidth ? x : x % m_imageWidth;
       
   227     m_mouseMode?m_exController->setX(tmpX):m_controller->setX(tmpX);
       
   228     return tmpX;
   227 
   229 
   228 }
   230 }
   229 
   231 
   230 int View::checkY(int y){
   232 int View::checkY(int y){
   231     int limit = m_imageHeight-height();
   233     int limit = m_imageHeight-height();
   232     if (y<0){
   234     if (y<0){
   233         y = limit<0?-limit/2:0;
   235         y = limit<0?-limit/2:0;
   234         if (m_controller) m_controller->setY(y);
   236     }
   235         return y;
   237     else if (limit<0){
   236     }
       
   237 
       
   238     if (limit<0){
       
   239         y=-limit/2;
   238         y=-limit/2;
   240         if (m_controller) m_controller->setY(y);
   239     }
   241         return y;
   240     else if (y > limit){y=limit;}
   242     }
   241 
   243 
   242     m_mouseMode?m_exController->setY(y):m_controller->setY(y);
   244 
       
   245     if (y< limit){ return y;}
       
   246 
       
   247     y = limit;
       
   248     if (m_controller) m_controller->setY(y);
       
   249     return y;
   243     return y;
   250 }
   244 }
   251 
   245 
   252 
   246 
   253 
   247 
   256     m_exController = m_controller;
   250     m_exController = m_controller;
   257     m_mouseMode = false;
   251     m_mouseMode = false;
   258 }
   252 }
   259 
   253 
   260 
   254 
   261 
       
   262 void View::mouseMoveEvent(QMouseEvent* event){
   255 void View::mouseMoveEvent(QMouseEvent* event){
   263 
   256 
   264     if (m_mouseMode){
   257     // first time
   265 
   258     if (!m_mouseMode){
   266         m_dx = m_eventX - event->x();
       
   267         m_dy = m_eventY - event->y();
       
   268 
       
   269         update();
       
   270 
       
   271         m_eventX = event->x();
       
   272         m_eventY = event->y();
       
   273         return;
       
   274     }
       
   275 
       
   276     if (m_mousePressTime.msecsTo(QTime::currentTime())>200){
       
   277         m_menu->setVisible(false);
       
   278         m_mouseMode = true;
   259         m_mouseMode = true;
   279         m_eventX = event->x();
   260         m_eventX = event->x();
   280         m_eventY = event->y();
   261         m_eventY = event->y();
   281         m_controller = 0;
   262         return;
   282     }
   263     }
       
   264 
       
   265     if (m_menu->isVisible()){
       
   266         if (m_mousePressTime.msecsTo(QTime::currentTime())>300)
       
   267             m_menu->setVisible(false);
       
   268     }
       
   269 
       
   270     int cur_x = event->x();
       
   271     int cur_y = event->y();
       
   272 
       
   273     m_dx = m_eventX - cur_x;
       
   274     m_dy = m_eventY - cur_y;
       
   275 
       
   276     m_eventX = cur_x;
       
   277     m_eventY = cur_y;
       
   278 
       
   279     update();
   283 
   280 
   284 }
   281 }
   285 
   282 
   286 
   283 
   287 
   284 
   288 void View::mouseReleaseEvent(QMouseEvent* event){
   285 void View::mouseReleaseEvent(QMouseEvent* event){
   289     m_controller = m_exController;
   286     m_controller = m_exController;
   290 
   287     m_exController = 0;
   291     if (m_mouseMode){
       
   292         if (m_controller){
       
   293             m_controller->setX(m_x);
       
   294             m_controller->setY(m_y);
       
   295         }
       
   296     }
       
   297     m_mouseMode = false;
   288     m_mouseMode = false;
   298 
   289 
   299     if (m_mousePressTime.msecsTo(QTime::currentTime())>200) return;
   290 
   300 
   291     if (m_menu->isVisible()){
       
   292         m_menu->setVisible(false);
       
   293         return;
       
   294     }
       
   295 
       
   296     // slow press -> move
       
   297     if (m_mousePressTime.msecsTo(QTime::currentTime())>300) return;
       
   298 
       
   299     // quick press -> show menu
   301     int x = event->x();
   300     int x = event->x();
   302     int y = event->y();
   301     int y = event->y();
   303     m_menu->move(x, y);
   302     m_menu->move(x, y);
   304     m_menu->setVisible(true);
   303     m_menu->setVisible(true);
   305 
   304 
   306 }
   305 }
       
   306 
       
   307 
       
   308 void View::update(){
       
   309     if (!m_mouseMode)
       
   310         m_controller->updateCoordinates();
       
   311 
       
   312     if (m_menu->isVisible()){
       
   313         if (m_mousePressTime.msecsTo(QTime::currentTime())>5000)
       
   314             m_menu->setVisible(false);
       
   315     }
       
   316 
       
   317 
       
   318     int x = m_mouseMode?m_exController->getX():m_controller->getX();
       
   319     int y = m_mouseMode?m_exController->getY():m_controller->getY();
       
   320 
       
   321     x = checkX(m_mouseMode?x+m_dx:x);
       
   322     y = checkY(m_mouseMode?y+m_dy:y);
       
   323 
       
   324     setSceneRect(x, y, width(), height());
       
   325 }
       
   326 
       
   327 
       
   328 
       
   329 
       
   330 void View::handleProximity(){
       
   331 
       
   332     // close - not close - close, quite fast sequence required for zoom
       
   333     // zoom factors 0.5, 1, 2, 3 - cyclic iterations
       
   334 
       
   335     bool isClose = m_proximitySensor.reading()->close();
       
   336 
       
   337 
       
   338     //     zoom-in, once?
       
   339     if (isClose){
       
   340         if (!m_isToBeZoomed){
       
   341             m_zoomTime = QTime::currentTime();
       
   342             m_isToBeZoomed = true;
       
   343         }
       
   344         else{
       
   345             m_isToBeZoomed = false; // ready to start again
       
   346 
       
   347             if (m_zoomTime.msecsTo(QTime::currentTime())>1000) return;
       
   348             m_index = m_index==3?0:m_index+1;
       
   349             qDebug()<< " m_index="<<m_index;
       
   350             m_pix = m_pix.scaledToHeight(m_scaledHeight[m_index]);
       
   351         }
       
   352     }
       
   353 
       
   354     setupWindow();
       
   355     update();
       
   356 
       
   357 }
       
   358 
       
   359 
       
   360 void View::handleALS(){
       
   361 
       
   362     int lightLevel = m_ambientLightSensor.reading()->lightLevel();
       
   363     qDebug()<<"lightLevel="<<lightLevel;
       
   364 
       
   365     switch (lightLevel){
       
   366     case 0:
       
   367     case 1:{
       
   368             // if dark, make image "brighter"
       
   369             QPainter painter;
       
   370             painter.begin(&m_pix);
       
   371             painter.setPen(Qt::NoPen);
       
   372             QColor slightlyOpaqueWhite(255, 255, 255, 63);
       
   373             painter.fillRect(m_pix.rect(), slightlyOpaqueWhite);
       
   374             painter.end();
       
   375             break;
       
   376         }
       
   377     default:{
       
   378             if (m_lightLevel>1) break;
       
   379             QPixmap bgPix(":/images/koskipuisto_pieni.jpg");
       
   380             m_pix = bgPix.scaledToHeight(m_scaledHeight[m_index]);
       
   381             break;
       
   382         }
       
   383     }
       
   384     m_lightLevel = lightLevel;
       
   385 
       
   386 }
       
   387 
       
   388 
       
   389 void View::setupWindow(){
       
   390     m_imageWidth = m_pix.width();
       
   391     m_imageHeight = m_pix.height();
       
   392 
       
   393     setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);
       
   394     setBackgroundBrush(m_pix);
       
   395     setCacheMode(QGraphicsView::CacheBackground);
       
   396     setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
       
   397     setWindowTitle("Panorama");
       
   398 
       
   399 }
       
   400 
       
   401 
       
   402