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Globe: another attempt to fix the globe zoom

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The fact that Marble doesn't tell us when it's done flying to the next
point is making this excessively complicated to get right.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2015-07-08 13:45:24 -07:00
parent 33a7e5cd73
commit 83e5e4933f
2 changed files with 28 additions and 16 deletions
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42
qt-ui/globe.cpp
View file

@ -47,7 +47,7 @@ GlobeGPS::GlobeGPS(QWidget *parent) : MarbleWidget(parent),
// been processed but before we initialize the rest of Marble
Marble::MarbleDebug::setEnabled(verbose);
#endif
currentZoomLevel = zoomFromDistance(3.0);
currentZoomLevel = -1;
// check if Google Sat Maps are installed
// if not, check if they are in a known location
MapThemeManager mtm;
@ -241,7 +241,7 @@ void GlobeGPS::repopulateLabels()
struct dive_site *center = displayed_dive_site.uuid != 0 ?
&displayed_dive_site : current_dive ?
get_dive_site_by_uuid(current_dive->dive_site_uuid) : NULL;
if(center)
if(dive_site_has_gps_location(&displayed_dive_site) && center)
centerOn(displayed_dive_site.longitude.udeg / 1000000.0, displayed_dive_site.latitude.udeg / 1000000.0, true);
}
@ -260,7 +260,6 @@ void GlobeGPS::centerOnDiveSite(uint32_t uuid)
zoomOutForNoGPS();
return;
}
qreal longitude = ds->longitude.udeg / 1000000.0;
qreal latitude = ds->latitude.udeg / 1000000.0;
@ -268,24 +267,36 @@ void GlobeGPS::centerOnDiveSite(uint32_t uuid)
// if we come back from a dive without GPS data, reset to the last zoom value
// otherwise check to make sure we aren't still running an animation and then remember
// the current zoom level
if (fixZoomTimer->isActive()) {
fixZoomTimer->stop();
} else if (needResetZoom) {
needResetZoom = false;
fixZoom();
} else if (zoom() > 1000) {
currentZoomLevel = zoom();
if (currentZoomLevel == -1) {
currentZoomLevel = zoomFromDistance(3.0);
centerOn(longitude, latitude);
fixZoom(true);
return;
}
if (!fixZoomTimer->isActive()) {
if (needResetZoom) {
needResetZoom = false;
fixZoom();
} else if (zoom() >= 1200) {
currentZoomLevel = zoom();
}
}
// From the marble source code, the maximum time of
// 'spin and fit' is 2000 miliseconds so wait a bit them zoom again.
fixZoomTimer->start(2100);
fixZoomTimer->stop();
if (zoom() < 1200 && IS_FP_SAME(centerLatitude(), latitude) && IS_FP_SAME(centerLongitude(), longitude)) {
// create a tiny movement
centerOn(longitude + 0.00001, latitude + 0.00001);
fixZoomTimer->start(300);
} else {
fixZoomTimer->start(2100);
}
centerOn(longitude, latitude, true);
}
void GlobeGPS::fixZoom()
void GlobeGPS::fixZoom(bool now)
{
setZoom(currentZoomLevel, Marble::Linear);
setZoom(currentZoomLevel, now ? Marble::Instant : Marble::Linear);
}
void GlobeGPS::zoomOutForNoGPS()
@ -295,8 +306,9 @@ void GlobeGPS::zoomOutForNoGPS()
// we show a dive with GPS location we need to zoom in again
if (!needResetZoom) {
needResetZoom = true;
if (!fixZoomTimer->isActive())
if (!fixZoomTimer->isActive() && zoom() >= 1500) {
currentZoomLevel = zoom();
}
}
if (fixZoomTimer->isActive())
fixZoomTimer->stop();

2
qt-ui/globe.h
View file

@ -47,7 +47,7 @@ slots:
void repopulateLabels();
void changeDiveGeoPosition(qreal lon, qreal lat, GeoDataCoordinates::Unit);
void mouseClicked(qreal lon, qreal lat, GeoDataCoordinates::Unit);
void fixZoom();
void fixZoom(bool now = false);
void zoomOutForNoGPS();
void prepareForGetDiveCoordinates();
void endGetDiveCoordinates();