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In certain places the '(int)' cast is used, while in other the
llrint() or lrint() functions. Make the conversation from degrees
in the 'double' form to the 'int' degrees_t consistent using lrint().
lrint() is the function which should give the best results,
because it accepts a 'double' and results in a 'long'
even if degrees_t is 'int'. If the truncation from 'long' to 'int'
is discarding some of the precision then the next step
would be to turn degrees_t into a 64bit signed integer type.
Possible fix for #625.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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MapWidgetHelper::calculateSmallCircleRadius() uses
the second argument (boolean) of QDeclarativeGeoMap::toCoordinate()
and QDeclarativeGeoMap::fromCoordinate(), which isn't supported
in Qt 5.5.x and errors will be thrown on runtime.
This argument usage is redundant for the calculateSmallCircleRadius()
use case.
If the argument is set to "false" it tells the map to avoid
clipping the viewport and always return a valid QPointF/QGeoCoordinate.
Given that calculateSmallCircleRadius() only works with the
map center - i.e it's called like so in MapWidget.qml:
onZoomLevelChanged: mapHelper.calculateSmallCircleRadius(map.center)
The only way for the radius estimation to fail is if the map widget
width is smaller than SMALL_CIRCLE_RADIUS_PX * 2 = 52px, which is not
possible as the MainWindow splitter prevents it.
If the map widget becomes that small it would be hardly usable,
yet no errors should be thrown related to this change.
Tested-by: Stefan Fuchs <sfuchs@gmx.de>
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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The default location which is used when the
PluginParemeter "googlemaps.cachefolder" is not specified
should be ~/.cache/googlemaps on Linux or
/user/<name>/appdata/local/cache/googlemaps on Windows.
This patch moves the cache to the default system location
where we store the printing templates, cloudstorage and the
default user XML file.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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The googlemaps plugin is about to support tile language
via the PluginParameter 'googlemaps.maps.language'.
To be able to pass the subsurface UI language (obtained
from the uiLanguage() helper) the Plugin has to be created
dynamically, only *after* the MapWidgetHelper is created.
MapWidgetHelper::pluginObject() now provides a QString which
contains the Plugin object and also include the uiLanguage
ISO value.
This string is used in mapwidget.qml as:
map.plugin = Qt.createQmlObject(pluginObject, rootItem)
This creates the Plugin object dynamically with the proper
UI language string, but also requires a couple of small changes:
- move the declaration of map.mapType after the
Qt.createQmlObject() call
- assign map.activeMapType after map.mapType has a value
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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Looking for already existing locations with
m_mapLocationModel->getMapLocationForUuid() will not cover dive
sites which are too close to each other and are skipped when
creating MapLocations. See reloadMapLocations() and the usage of
MIN_DISTANCE_BETWEEN_DIVE_SITES_M.
Constructing a new QGeoCoordinate for the already retrieved
dive site (ds) coordinates ensures that we are traversing
*all* dive sites at the backend and not only those visible on the map.
Fixes the issue where not all dives in the DiveList are selected,
even if a dive clearly happened on a location currently visible in
the map viewport (map -> context menu -> select visible dive
locations).
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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The new method selectVisibleLocations() contains a routine
to find all visible MapLocation objects in the Map viewport and
select the dives associated to said MapLocation objects.
This method is to be invoked from the QML context menu.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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MapWidgetHelper::centerOnDiveSite() now checks if more than
one dive sites are selected and finds the most top-left and
bottom-right ones in the coordinate system to form
a rectangle.
It also supports the special cases where a selected dive site
does not have coordinates or the case where only a single dive site
with GPS coordinates are selected.
TODO: implement mapwidget.qml::centerOnRectangle()
This QML function will receive a QGeoCoordinate based rectangle which
has to be centered in the viewport with animation.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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I thought we had this automated, but Lubomirs commits introduced a few
files with dos line endings. This is purely a change of line endings, no
other changes.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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updateCurrentDiveSiteCoordinates() should be called from
QML when a marker changed it's location. it emits the coordinatesChanged()
signal, which should be tracked in the MapWidget class. The MapWidget
class should emit the same signal to the MainWindow (Marble does that).
editMode is now a boolean property, which should put the QML map into
editing mode.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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The marble globe tracks dive sites with the same name and discards
such that are less than 50 meters apart.
We already store names in MapLocation objects, but using a
QMap<QString, MapLocation *> to check the names is probably faster
with the expense of using more memory.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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Call setSelectedUuid() from C++ also center on coodinates instead
on a MapLocation, as there is no point to pass the MapLocation object
back to QML.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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The MapLocation QObject now has a QString property "name", which is
translating the dive_site->name member.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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The signal emits a QList<int> filled with dive idexes from the
main backend dive table.
The MapWidgetHelper QML instance handles that in onSelectedDivesChanged().
This will only be needed for the mobile version, as the desktop version
should connect it's own slot in MapWidget.cpp.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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Based on a current location (MapLocation), iterate the dive list
and add nearby dives (distance smaller than m_smallCircleRadius) to
a local QList property (m_selectedDiveIds).
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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Based on a QGeoCoordinate, calculateSmallCircleRadius() calls
some QML Map methods to obtain how big a circle is in meters if
a circle is drawn over the Map widget with radius SMALL_CIRCLE_RADIUS_PX
pixels.
This is called a "small circle" of a sphere:
https://en.wikipedia.org/wiki/Circle_of_a_sphere
This "small circle" radius becomes huge if the map is zoomed out, while
quite small if the map is really zoomed in.
The idea behind this circle is to be able to select multiple nearby dives,
when clicking on the map (TODO).
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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Use QGeoCoordinate::distanceTo() to skip dive sites
which are too close (50m) to dives sites which are already added
as MapLocations.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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This method uses the helper printGPSCoords() to format the
coordinates of a location into either decimal or sexagesimal.
The selection is handled by the boolean flag "formatTraditional"
and the user preferences flag - prefs.coordinates_traditional.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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If a divesite doesn't have a GPS location we want to deselect
the currently selected markers and zoom out the map. In the Map
QML object the function deselectMapLocation will handle that.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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The function in QML centerOnCoordinate() is now renamed
centerOnMapLocation() and accepts a MapLocation object, so that
a marker is selected (based on UUID).
In MapWidgetHelper::centerOnDiveSite(), the pointer to a MapLocation
is retrieved via MapLocationModel::getMapLocationForUuid(). Added in the
previous commit.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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When MapLocationModel updates the selected marker, MapWidgetHelper now
receives a signal. The slot is named selectedLocationChanged().
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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The "uuid" property will be the one from the dive_site. At first it
will also be used to track the active marker/flag selection.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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Rename the QML function "centerOnCoordinates" to "centerOnCoordinate"
and pass a QGeoCoordinate to it in ::centerOnDiveSite().
This will prevent the creation of a QGeoCoordinate object on the
QML side and instead it will be created in C++.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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QVector is faster, use it for "m_mapLocations" instead of QList.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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This method should be used if many markers are added at once.
It's main purpose is to reduces the number of beingInsertRows()
calls.
Make MapWidgetHelper::reloadMapLocations() use it.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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reloadMapLocations() is the method which is called when the list
of markers (model) should be cleared and re-populated with new MapLocation
objects.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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The idea here is that the QML code should be able to fetch a model
from the MapWidgetHelper instance which is instantiated inside the
QML code; fetch it in the lines of "mapHelper.model".
This way, updates at the backend would be reflected on the Map QML widget.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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This function can be called to center the map on a specific coordinates.
For the C++ version call it via QMetaObject::invokeMethod() in
centerOnDiveSite().
TODO: add QML property animations.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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MapWidget sould not handle any of the map backend.
Instead it should just pass calls to MapWidgetHelper.
Do that for centerOnDiveSite().
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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The idea with this class is that it should be used by both the mobile
and desktop version.
TODO STEPS:
1) the class should be registered in both the mobile and desktop version
with qmlRegisterType<MapWidgetHelper>...
2) the MapWidget.qml should create an instance of this class.
3) this way the helper will be part of the QML and both the desktop and
mobile version can have access to it.
4) the desktop version as a first implementation can just use findChild()
in desktop-widgets/mapwidget.cpp.
5) desktop-widgets/mapwidget.cpp on the desktop should just translate
calls from the rest of the desktop-widgets to this helper class.
6) the mobile version access to this object would be easy but is off the
scope for now.
7) the idea, when implementing the desktop support is to make it so
that when implementing the mobile version later, no or only minimal
changes would be required to the MapWidgetHelper class.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
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Lubomir I. Ivanov
Dirk Hohndel