diff --git a/src/location/declarativemaps/qdeclarativegeomap.cpp b/src/location/declarativemaps/qdeclarativegeomap.cpp index 57f127efdd6eef98700dd10491cf3c12c8ba3ba0..1c0815ca39c514a77a217e33a8637e772033f0d6 100644 --- a/src/location/declarativemaps/qdeclarativegeomap.cpp +++ b/src/location/declarativemaps/qdeclarativegeomap.cpp @@ -832,8 +832,8 @@ QDeclarativeGeoServiceProvider *QDeclarativeGeoMap::plugin() const */ void QDeclarativeGeoMap::setMinimumZoomLevel(qreal minimumZoomLevel, bool userSet) { - if (minimumZoomLevel >= 0) { + qreal oldUserMinimumZoomLevel = m_userMinimumZoomLevel; if (userSet) m_userMinimumZoomLevel = minimumZoomLevel; qreal oldMinimumZoomLevel = this->minimumZoomLevel(); @@ -842,12 +842,15 @@ void QDeclarativeGeoMap::setMinimumZoomLevel(qreal minimumZoomLevel, bool userSe if (m_map) minimumZoomLevel = qMax<qreal>(minimumZoomLevel, m_map->minimumZoom()); + // minimumZoomLevel is, at this point, the implicit minimum zoom level m_gestureArea->setMinimumZoomLevel(minimumZoomLevel); if (zoomLevel() < minimumZoomLevel && (m_gestureArea->enabled() || !m_cameraCapabilities.overzoomEnabled())) setZoomLevel(minimumZoomLevel); - if (oldMinimumZoomLevel != minimumZoomLevel) + if (qIsNaN(m_userMinimumZoomLevel) && oldMinimumZoomLevel != minimumZoomLevel) + emit minimumZoomLevelChanged(); + else if (userSet && oldUserMinimumZoomLevel != m_userMinimumZoomLevel) emit minimumZoomLevelChanged(); } } @@ -867,10 +870,29 @@ void QDeclarativeGeoMap::setMinimumZoomLevel(qreal minimumZoomLevel, bool userSe */ qreal QDeclarativeGeoMap::minimumZoomLevel() const +{ + if (!qIsNaN(m_userMinimumZoomLevel)) + return m_userMinimumZoomLevel; + else + return m_gestureArea->minimumZoomLevel(); +} + +/*! + \internal +*/ +qreal QDeclarativeGeoMap::implicitMinimumZoomLevel() const { return m_gestureArea->minimumZoomLevel(); } +/*! + \internal +*/ +qreal QDeclarativeGeoMap::effectiveMinimumZoomLevel() const +{ + return qMax<qreal>(minimumZoomLevel(), implicitMinimumZoomLevel()); +} + /*! \internal Sets the gesture areas maximum zoom level. If the camera capabilities @@ -936,14 +958,15 @@ void QDeclarativeGeoMap::setZoomLevel(qreal zoomLevel) */ void QDeclarativeGeoMap::setZoomLevel(qreal zoomLevel, bool overzoom) { - if (m_cameraData.zoomLevel() == zoomLevel || zoomLevel < 0) + const qreal oldZoom = m_cameraData.zoomLevel(); + if (oldZoom == zoomLevel || zoomLevel < 0) return; //small optimization to avoid double setCameraData bool centerHasChanged = false; if (m_initialized) { - m_cameraData.setZoomLevel(qBound<qreal>(overzoom ? m_map->minimumZoom() : minimumZoomLevel(), + m_cameraData.setZoomLevel(qBound<qreal>(overzoom ? m_map->minimumZoom() : effectiveMinimumZoomLevel(), zoomLevel, overzoom ? 30 : maximumZoomLevel())); m_maximumViewportLatitude = m_map->maximumCenterLatitudeAtZoom(m_cameraData); @@ -960,7 +983,8 @@ void QDeclarativeGeoMap::setZoomLevel(qreal zoomLevel, bool overzoom) if (centerHasChanged) emit centerChanged(m_cameraData.center()); - emit zoomLevelChanged(m_cameraData.zoomLevel()); + if (oldZoom != m_cameraData.zoomLevel()) + emit zoomLevelChanged(m_cameraData.zoomLevel()); } qreal QDeclarativeGeoMap::zoomLevel() const diff --git a/src/location/declarativemaps/qdeclarativegeomap_p.h b/src/location/declarativemaps/qdeclarativegeomap_p.h index 0d5ae481c8a2ecd9998cf7d5e35193323b920ff8..cb8fed08513d3ea62ab5870a3c4574eb9069c616 100644 --- a/src/location/declarativemaps/qdeclarativegeomap_p.h +++ b/src/location/declarativemaps/qdeclarativegeomap_p.h @@ -116,6 +116,8 @@ public: void setMinimumZoomLevel(qreal minimumZoomLevel, bool userSet = true); qreal minimumZoomLevel() const; + qreal implicitMinimumZoomLevel() const; + qreal effectiveMinimumZoomLevel() const; void setMaximumZoomLevel(qreal maximumZoomLevel, bool userSet = true); qreal maximumZoomLevel() const;