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subsurface/desktop-widgets/statswidget.h

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statistics: implement a statistics widget on desktop Implement a widget that shows the statistics state as comboboxes and the statistics chart. Calls into the statistics code if any of the comboboxes changes. The hardest part here is the formatting of the charts list with its icons and with headings. Sadly, it is not trivial to arrange icons horizontally. Therefore we would have to fully reimplement the ComboBox view, which is probably not fun. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2020-10-28 13:36:09 +00:00
// SPDX-License-Identifier: GPL-2.0
#ifndef STATSWIDGET_H
#define STATSWIDGET_H
#include "stats/statsstate.h"
#include "stats/chartlistmodel.h"
#include "ui_statswidget.h"
#include <vector>
#include <memory>
class QCheckBox;
statistics: convert chart to QQuickItem It turns out that the wrong base class was used for the chart. QQuickWidget can only be used on desktop, not in a mobile UI. Therefore, turn this into a QQuickItem and move the container QQuickWidget into desktop-only code. Currently, this code is insane: The chart is rendered onto a QGraphicsScene (as it was before), which is then rendered into a QImage, which is transformed into a QSGTexture, which is then projected onto the device. This is performed on every mouse move event, since these events in general change the position of the info-box. The plan is to slowly convert elements such as the info-box into QQuickItems. Browsing the QtQuick documentation, this will not be much fun. Also note that the rendering currently tears, flickers and has antialiasing artifacts, most likely owing to integer (QImage) to floating point (QGraphicsScene, QQuickItem) conversion problems. The data flow is QGraphicsScene (float) -> QImage (int) -> QQuickItem (float). Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2021-01-07 13:38:37 +00:00
class StatsView;
statistics: implement a statistics widget on desktop Implement a widget that shows the statistics state as comboboxes and the statistics chart. Calls into the statistics code if any of the comboboxes changes. The hardest part here is the formatting of the charts list with its icons and with headings. Sadly, it is not trivial to arrange icons horizontally. Therefore we would have to fully reimplement the ComboBox view, which is probably not fun. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2020-10-28 13:36:09 +00:00
class StatsWidget : public QWidget {
Q_OBJECT
public:
StatsWidget(QWidget *parent = 0);
private
slots:
void closeStats();
void chartTypeChanged(int);
void var1Changed(int);
void var2Changed(int);
void var1BinnerChanged(int);
void var2BinnerChanged(int);
void var2OperationChanged(int);
statistics: add a sort mode for categorical bar charts This was a user request: Sort bar charts by height of the bars. Obviously, this can only work for categorical charts, not for histograms. The UI is a break from the old concept: the sorting is chosen based on the chart, whereas for the rest of the features, the viable charts are presented based on the binning, etc. I found it confusing to have the possible charts be selected based on sorting. I.e. if a non-bin sort mode is selected, the histogram charts disappear. On the flip side, this would be more consistent. We can change it later. For value-based bar charts, there are three sort modes: by bin, by count (i.e. number of dives in that bar) and by value (i.e. length of the bar). This hopefully satisfies all needs. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2021-12-31 17:29:06 +00:00
void var1SortChanged(int);
statistics: implement a statistics widget on desktop Implement a widget that shows the statistics state as comboboxes and the statistics chart. Calls into the statistics code if any of the comboboxes changes. The hardest part here is the formatting of the charts list with its icons and with headings. Sadly, it is not trivial to arrange icons horizontally. Therefore we would have to fully reimplement the ComboBox view, which is probably not fun. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2020-10-28 13:36:09 +00:00
void featureChanged(int, bool);
statistics: implement primitive "restrict to selection" feature Allow the user to restrict the analyzed dives based on the current selection. One button restricts to the current selection and one button resets the restriction. Thus, the user can for example select bars in the bar chart or a range in the scatter plot and perform statistics on these sets. The restriction works on top of the filter. The UI can certainly be improved, but it is a start. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2021-02-12 09:56:48 +00:00
void restrict();
void unrestrict();
statistics: implement a statistics widget on desktop Implement a widget that shows the statistics state as comboboxes and the statistics chart. Calls into the statistics code if any of the comboboxes changes. The hardest part here is the formatting of the charts list with its icons and with headings. Sadly, it is not trivial to arrange icons horizontally. Therefore we would have to fully reimplement the ComboBox view, which is probably not fun. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2020-10-28 13:36:09 +00:00
private:
Ui::StatsWidget ui;
StatsState state;
Qt6: prevent QML object from being garbage collected It appears that the QML object that is created when assigning the source to the StatsView in the ui can be garbage collected and therefore destroyed and re-instantiated without our knowledge. So instead of trying to keep a pointer around, we end up looking up the object address when needed. We still ask the JS code to not garbage collect the object - but that clearly isn't enough to prevent it from being destroyed when the parent widget changes. Without this fix opening the statistics will crash with Qt6. Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2022-02-16 23:42:21 +00:00
StatsView *getView();
statistics: implement a statistics widget on desktop Implement a widget that shows the statistics state as comboboxes and the statistics chart. Calls into the statistics code if any of the comboboxes changes. The hardest part here is the formatting of the charts list with its icons and with headings. Sadly, it is not trivial to arrange icons horizontally. Therefore we would have to fully reimplement the ComboBox view, which is probably not fun. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2020-10-28 13:36:09 +00:00
void updateUi();
statistics: implement primitive "restrict to selection" feature Allow the user to restrict the analyzed dives based on the current selection. One button restricts to the current selection and one button resets the restriction. Thus, the user can for example select bars in the bar chart or a range in the scatter plot and perform statistics on these sets. The restriction works on top of the filter. The UI can certainly be improved, but it is a start. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2021-02-12 09:56:48 +00:00
void updateRestrictionLabel();
statistics: implement a statistics widget on desktop Implement a widget that shows the statistics state as comboboxes and the statistics chart. Calls into the statistics code if any of the comboboxes changes. The hardest part here is the formatting of the charts list with its icons and with headings. Sadly, it is not trivial to arrange icons horizontally. Therefore we would have to fully reimplement the ComboBox view, which is probably not fun. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2020-10-28 13:36:09 +00:00
std::vector<std::unique_ptr<QCheckBox>> features;
ChartListModel charts;
void showEvent(QShowEvent *) override;
stats: fix visibility check of the statistics tab on desktop Apparently, the visibility flag of the view is not inherited from the statistics widget. Therefore, the statistics is redrawn on every action even if not visible. Set the visibility explicitly in the show- and hide-events. This is crazy. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2021-03-30 21:18:15 +00:00
void hideEvent(QHideEvent *) override;
statistics: implement a statistics widget on desktop Implement a widget that shows the statistics state as comboboxes and the statistics chart. Calls into the statistics code if any of the comboboxes changes. The hardest part here is the formatting of the charts list with its icons and with headings. Sadly, it is not trivial to arrange icons horizontally. Therefore we would have to fully reimplement the ComboBox view, which is probably not fun. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2020-10-28 13:36:09 +00:00
};
#endif // STATSWIDGET_H
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