#include <QDebug>
#include <QMouseEvent>
-#ifndef Q_WS_MAEMO_5
-// #include <QGLWidget>
-#endif // Q_WS_MAEMO_5
-
#include "mapcommon.h"
#include "mapview.h"
MapView::MapView(QWidget *parent)
: QGraphicsView(parent)
- , m_timerID(NULL)
{
-/**
- * Use OpenGL for desktop to gain some performance in map view.
- * OpenGL can't be used in scratchbox.
- */
-#ifndef Q_WS_MAEMO_5
- // setViewport(new QGLWidget(QGLFormat(QGL::DoubleBuffer)));
-#endif // !Q_WS_MAEMO_5
-
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+
+ m_zoomAnimation = new QPropertyAnimation(this, "viewScale", this);
+ connect(m_zoomAnimation, SIGNAL(finished()), this, SIGNAL(viewZoomFinished()));
}
void MapView::setZoomLevel(int zoomLevel)
{
- m_zoomTargetScale = pow(2, zoomLevel - MAX_MAP_ZOOM_LEVEL);
- m_zoomScaleDelta = (m_zoomTargetScale - currentScale()) / (ZOOM_FPS * (ZOOM_TIME / 1000));
+ m_zoomAnimation->stop();
+ m_zoomAnimation->setDuration(ZOOM_TIME);
+ m_zoomAnimation->setStartValue(viewScale());
+ m_zoomAnimation->setEndValue(pow(2, zoomLevel - MAX_MAP_ZOOM_LEVEL));
- if (m_timerID)
- killTimer(m_timerID);
-
- m_timerID = startTimer(1000/ZOOM_FPS);
+ m_zoomAnimation->start();
}
-void MapView::timerEvent(QTimerEvent *event)
+qreal MapView::currentScale()
{
- if (event->timerId() == m_timerID) {
- bool finished = false;
- qreal scaleFactor = currentScale();
-
-// qDebug() << __PRETTY_FUNCTION__
-// << "abs(m_zoomTargetScale - scaleFactor)" << fabs(m_zoomTargetScale - scaleFactor)
-// << "abs(m_zoomScaleDelta)" << fabs(m_zoomScaleDelta);
-
- if (fabs(m_zoomTargetScale - scaleFactor) <= fabs(m_zoomScaleDelta)) {
- scaleFactor = m_zoomTargetScale;
- killTimer(event->timerId());
- finished = true;
- }
- else {
- scaleFactor += m_zoomScaleDelta;
- }
-
-// qDebug() << __PRETTY_FUNCTION__ << "currentScale:" << currentScale()
-// << "m_zoomScaleDelta" << m_zoomScaleDelta
-// << "scaleFactor:" << scaleFactor;
-
- QTransform transform;
- transform.scale(scaleFactor, scaleFactor);
- setTransform(transform);
- emit viewContentChanged(mapToScene(viewport()->x(), viewport()->y()).toPoint());
-
- if (finished && m_zoomScaleDelta > 0)
- emit viewZoomInFinished();
- }
+ QTransform currentTransform = transform();
+ return currentTransform.m11();
}
-qreal MapView::currentScale()
+qreal MapView::viewScale()
{
QTransform currentTransform = transform();
return currentTransform.m11();
}
+void MapView::setViewScale(qreal viewScale)
+{
+ QTransform transform;
+ transform.scale(viewScale, viewScale);
+ setTransform(transform);
+ emit viewContentChanged(mapToScene(viewport()->x(), viewport()->y()).toPoint());
+}
+
void MapView::mouseMoveEvent(QMouseEvent *event)
{
m_scenePosition += m_mousePosition - mapToScene(event->pos()).toPoint();
emit viewScrolled(m_scenePosition);
-// qDebug() << __PRETTY_FUNCTION__ << "m_scenePosition:" << m_scenePosition;
+ qDebug() << __PRETTY_FUNCTION__ << "m_scenePosition:" << m_scenePosition;
m_mousePosition = mapToScene(event->pos()).toPoint();
emit viewContentChanged(mapToScene(viewport()->x(), viewport()->y()).toPoint());
void MapView::centerToSceneCoordinates(QPoint sceneCoordinate)
{
-// qDebug() << __PRETTY_FUNCTION__ << "sceneCoordinate" << sceneCoordinate;
+ qDebug() << __PRETTY_FUNCTION__ << "sceneCoordinate" << sceneCoordinate;
centerOn(sceneCoordinate);
}
void MapView::resizeEvent(QResizeEvent *event)
{
-// qDebug() << "Resize event: " << event->size();
+ qDebug() << __PRETTY_FUNCTION__ << event->size();
emit viewResized(event->size());
emit viewContentChanged(mapToScene(viewport()->x(), viewport()->y()).toPoint());
}