The DiveListView had a singleSelectedTrip function that
returns the selected trip if exactly one trip is selected.
This could be very slow if numerous non-trip items were
selected, because all the selection indices were back-
translated by the proxy model.
This could make selection changes very slow, because the
MainTab used said function to determine whether it should
show trip or dive data.. Indeed, with a 3500 dive test log,
when selecting all dives in tree mode, the updating of the
TabWidgets is sped up from 130 ms to 5 ms this commit.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
The DiveListView would touch the selection-innards directly.
Let's encapsulate that. Moreover, take care to reset the trip
selection when resetting the core data.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
In analogy to dives add a selection flag for trips. The reason
being that search for a selected trip can be painfully slow when
we do it through Qt's proxy model.
Make sure to deselect trips when they are removed from the core.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
The diveListNotifier.divesSelected() signal is used to inform the
models of a selection change. It sent the current dive as a second
parameter. This is redundant, because the only sender of the signal
sets current_dive just before sending the signal. Remove the
parameter, which appears to be an artifact.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
We tend to use lower-case filenames. Let's do it for these files
as well. Simple search & replace.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Currently, selecting a single dive or deselecting all dives was
quite awkward: One had to pass in a single-dive vector and the
dive itself (as current dive). Provide a convenience function
that selects a single dive or deselects all dives if null is
passed in.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
The DiveListView has a function to select the first dive. Move
this to the core to be able to call it from all parts (not only
desktop) of the code.
Currently, this has a (small?) UI regression: when filtering dives
and no selected dive is visible anymore, the old code would select
the first dive in the list. The new code selects the newest dive,
which might not be the first if some sort-criterion is active.
To revert to the old behavior, it will be necessary to move the
sorting function likewise to the core.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Since we now have a selection.c translation unit, put the selection-
related functions there.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
The file command_private.cpp had functions concerning selections
only. To make these functions accessible from outside the undo
machinery, turn it into a part of the core-library. Currently,
only C++ functions are exported. We might think about also
exporting a C interface.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2019-12-04 13:00:23 +01:00
Renamed from commands/command_private.cpp (Browse further)
