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Instead of accessing the global displayed_dive variable
in RulerItem, pass the dive. This is a step in making the
profile reentrant.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Don't access the global displayed_dive variable in a step
to make the profile reentrant.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Instead of accessing the global displayed_dive variable,
pass the dive to the various profile items. This is a
step in making the profile code reentrant.
This removes the last user of the displayed_dc macro,
which can now be removed.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Don't access the global displayed_dive variable in an effort
to make the profile reentrant.
Note that this still accesses the global dc_number variable,
which will likely have to be removed.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The profile item that shows the ceilings adds a warning event
if the ceiling is violated. This is very unfortunate.
Improve this situation by adding the event up to the function
that calculates the ceiling. This is still not how it should
be - the display layer should not modify the dive that it
displays.
To make this clear, add a comment that details that this
is a contract between planner and display layer: The planner
uses a dive that can be trampled upon by the profile.
Still, this should be solved differently.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The in_planner() function is incompatible with a reentrant
profile, since it accesses a global variable. In
create_plot_info_new() it is essentially redundant, because
there is a planner_ds (ds = deco_state) parameter that
is used only when in the planner. Therefore use that as
the in_planner indicator: when non-null, the profile is
showing a planned dive.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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This was used to force a replot on preferences changes.
However, the profile now does a replot in such a case
by itself. This can be removed.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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With the same argument as for DivePercentageItem, move access
to live data out of the paint() function. Instead, calculate
colors in replot(), where the other data are calculated.
This is slightly more complicated than in DivePercentageItem,
since there are multiple polygons. Therefore, replace QPolygonF
by a vector of structures contained the position and color
of the data point.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The DivePercentageItem is a polygon-item with a custom paint()
method. Calculation of the polygon is done once in replot(),
but calculation of the corresponding colors is done in every
paint() call. The problem is, we have no control over paint().
It is called whenever Qt feels like. Therefore using live
dive data is a dangerous proposition if we ever want to get
rid of the global displayed_dive.
Do all the calculations in replot(). Store the colors in an
additional array of the same size as the polygon.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The only time the TankItem is replot is when new data is set.
Therefore, replot() can be folded into setData().
The good thing is that setData() is passed the dive to be
plot. So the data can be extracted from there instead of
the global displayed_dive variable.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The code tried to only replot the profile if necessary, notably
when in edit mode or the ceilings are shown.
That seems like pointless premature optimization, which only
complicates things: The profile is replot every time a
"dive handle" is moved, which means that we depend on the
replotting being reasonably fast. Why should it then not
be redrawn if the settings change?
Let's remove this, as it makes control flow easier to reason
about.
This makes the isPlotZoomed member variable redundant. Remove it.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The old mechanism to replot the profile items was to listen
to model-change signals. Then the code checked whether it
actually had to update anything by looking at the changed
model-indices.
However, the crucial replot was always initialized with
emitDataChanged(), which simple invalidated the full model
and therefore shouldCalculateStuff() always returned true.
Since now the replot() is called explicitly, remove the whole
logic and simply rename modelDataChanged() to replot().
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Instead of listening to the dive-data-model changed and
axis changed signals, update the profile items explicitly
once per plot() call. This avoids double replotting of the
dive items.
The old code had at least two replots per plot() call:
one after profileYAxis()->setMaximum() and one after
dataModel->emitDataChanged().
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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On each profile replot, the gas axis was implicitly reset
by calling "dataModel->emitDataChanged()", which would send
a signal recieved by the axis. To make the code less confusing
and, more importantly, make order of execution deterministic,
explicitly reset the axis.
Rename the function that resets the axis from "settingsChanged"
to "update" to reflect its usage.
Moreover, remove the "setModel()" function and pass the model
to the constructore. Make it a const reference to make clear
that it can't change during the life time of the axis.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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This virtual function is not used as the target of a signal
anywhere, which means that it shouldn't be a slot.
Moreover, mark the one place it is overriden as override.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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In contrast to most other items, which are cleared in the
setEmptyState() function, the profile items are cleared
indirectly via a signal from the model. Very hard to follow
and indeed, I thought I could just remove the slot.
Do this explicitly instead for deterministic code.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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When the settings change, the depth axis is redrawn
to reflect metric/imperial units. To check whether the
units changed, the old length unit is saved in a static
variable. This makes no sense and allows for only one
depth axis. Make this a normal member variable that is
initialized in the constructor.
Also remove the settingsChanged() call in the constructor,
since this is a no-op (the depth unit is unchanged).
Contains a whitespace fix.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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If possible, forward declare and move the include to the
.cpp file.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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There is no point in a separate set-axis function if we never
change the axis anyway. Make the axis a const-reference to
show that it can never be changed.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Since the initial commit introducing TankItem, there was
a connection that replotted the item if the horizontal axis
sent the sizeChanged() signal. I never managed to create
this signal for the horizontal axis, only for the vertical
axes. Therefore remove this thing. If it turns out that
we need it after all, readd it in a more deterministic
way (i.e. call where it is needed).
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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This one is extremely obscure: TankItem::setData(), which is
called on every replot, was passed the DivePlotDataModel,
even though it doesn't access that model at all.
Instead, it connect()s to the model to stay informed of changes
to the data. First of all, this should obviously be done
once in the constructor, not on every replot.
But also, the setData() function is called on every replot
one lines before sending the model-changed signal.
Thus, the tankitem was always repainted twice.
Just remove the whole connect() thing and go for a more
deterministic model. Should the tankbar not be repainted
anywhere, add the appropriate calls there.
Accordingly rename the "modelDataChanged" slot to "replot".
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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settingsChanged() is a virtual function, which is called
when the preferences dialog signals changes. In most derived
classes, the function does nothing.
In two classes, DiveProfileItem and DiveCalculatedTissue, it
replots the item respectively changes its visibility.
However, these two flags are *not* controlled by the preferences
dialog. Indeed, the functions are also connected to finer-grained
qPref signals. Therefore, settingsChanged() can be removed.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Collect all the created profile items in a dynamic vector.
This allows us to loop over them when adding them to the
scene, instead of addressing each item individually.
Hopefully, this will also allow for a more deterministic
repaint logic, without relying on signals.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The macro was removed quite some time ago.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The only thing left that this function did, was setting the Z-value
of the item. This can be done directly on construction.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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This function was called after creating the items. It can be
called directly to create the items. Less chance of mixups.
For this to work, the initialization of isGrayscale has to
be moved to the front, because createPPGas sets the color
according to this flag.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Instead of typing out the same arguments again and again,
do the allocation of DiveProfileItems in a templated function.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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A few DiveCartesianAxis functions that were pure accessors
were not const. Make them so. Moreover, mark a few overridden
virtual functions as such.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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This function sent a signal and the only listener was removed
in the previous commit.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The profile items had a "setModel()" function to set
the DivePlotDataModel post creation. The model is never
changed. It does however mean that the model might be
null in a short period between construction and setting
the model.
To simplify reasoning about this code, set the model
in the constructor. To drive the point home that the
can never change and cannot be null, turn it into a
reference.
Yes, this is gratuitous bike-shedding, but it helps
me analysis the code.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The DiveCalculatedCeiling profile-item has a recalc()
function, which calls "dataModel->calculateDecompression()".
This is a questionable reversal of control-flow: The
profile-item should paint the model-data not change it.
The code was supposed to be called under two conditions:
1) The value of the calcceiling3m preferences flag changed.
This code was buggy for two reasons: Firstly, the cached
value was always initialized to false, which means that
sometimes the first call was missed. Secondly, the
settingsChanged() functions was only called when closing
the preferences window, not when changing the flag in the
profile widgets.
2) The datetime of the dive changed. The whole control-flow is
pretty absurd (due to "bit rot"):
- The replan-dive command sends a date-time changed signal.
- The main tab changes the date-time and informs the profile.
- The profile sends a signal to the item.
- The item instructs the model to recalculate the
decompression.
- The model causes the profile to be redrawn.
In any case, the whole thing is moot, because the decompression
is recalculated for *every* profile plot in create_plot_info_new().
Let's remove the code from the DiveCalculatedCeiling profile-item
and the calculateDecompression() function, which is now not
used anymore.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Dirk says rounded corners look better. This now looks a bit
extreme to me and probably the border size should be increased.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Factor out code from ProfileWidget's ToolTipItem, but make
the radius of the corners dynamic. Move into backend-shared,
though a new ui-shared might be preferred.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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If a dive changes, we should simply redraw the profile. This could be
improved by checking for the fields that might impact the profile at
all, but this is definitely a step in the right direction.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Recently (674c20227b2), the call to ProfileWidget::clearHandlers()
was moved from PlannerWidgets::replanDive() to ProfileWidget2.
This cause a crash, because the code assumes that the number
of elements in the handles-vector the divepointplanner model
is the same.
Clearing the handles violates this assumption. It turns out
that the clearHandlers() function is broken anyway: it clear
the handles-vector, but not the gases-vector, which should
likewise have the same number of elements. It appears that
the clearHandlers() function is an artifact and it is
mysterious how this has worked so far. Remove.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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On clicking the DivePictureItem "trash" icon, the item would delete
the picture it represents in the currently displayed dive. This needed
an access to the global "displayed_dive" variable, which we want
to get rid of to make the profile more flexible. For example, we
want to render the profile for printing without messing with global
state.
One solution would be to save the dive with every DivePictureItem.
This commit follows a more Qt-ish strategy by handling this via
signals: The close button emits a signal that is recast by the
DivePictureItem and ultimately handled by the ProfileWidget2,
which knows which dive it represents.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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These were only calling the corresponding functions in the
base class. So just don't override them..?
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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The mainwindow was connecting preferences changes to the profile.
Do this directly in the profile.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Last user was remove in 0bd821183d.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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These are the small dots that describe dragable points on
the profile when in the planner. It makes no sense to have
them in desktop's planner-widget code. They belong to the
profile.
Therefore, move the code there and compile on mobile.
Not everything can be compiled on mobile for now, but it
is a start.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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This function, which removes the handlers from the profile, was called
in setAddState() but not in setPlanState(). In the latter case it was
called explicitly by the caller.
Move the call from the caller into the function. This allows us to
make clearHandlers() private in to the profile widget.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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So far, the PreferencesDialog emitted a settingsChanged signal.
This meant that models that listened to that signal had to
conditionally compile out the code for mobile or the connection
had to be made in MainWindow.
Instead, introduce a global signal that does this and move
the connects to the listeners to remove inter-dependencies.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Instead of using the two different ways Qt supports swap, depending on the Qt
version in use, let's simply use std::swap()
Suggested-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Again, replacement was just recently added.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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This has been deprecated for years.
The delta() member dealt with the old style mouse wheel that is associated with
a vertical scroll - so we need the y-component.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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Since dive.c is so huge, split out divecomputer-related functions
into divecomputer.[c|h], sample.[c|h] and extradata.[c|h].
This does not give huge compile time improvements, since
struct dive contains a struct divecomputer and therefore
dive.h has to include divecomputer.h. However, it make things
distinctly more clear.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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In an effort to reduce the size of dive.h and dive.c, break out
the event related functions. Moreover event-names were handled
by the profile-code, collect that also in the new source files.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Now, that we have this helper function that should have been
introduced long ago, we can make some more expressions
more idiomatic.
Signed-off-by: Robert C. Helling <helling@atdotde.de>
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core/device.h was declaring a number of functions that were related
to divecomputers (dcs): creating a fake dc for manually entered dives
and registering / accessing dc nicknames. On could argue whether
these should be lumped together, but it is what it is.
However, part of that was implemented in C++/Qt code in a separate
core/divecomputer.cpp file. Some function therein where only
accessible to C++ and declared in core/divecomputer.h.
All in all, a big mess. Let's simply combine the files and
conditionally compile the C++-only functions depending on
the __cplusplus define.
Yes, that means turning device.c into device.cpp. A brave soul
might turn the C++/Qt code into C code if they whish later on.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
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Berthold Stoeger
Dirk Hohndel
Robert C. Helling