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4928c4ae04
When selecting all dives via CTRL-A or manually and the trips were not expanded, the QSelectionModel sends a single selectionChanged signal per trip. We are reloading the map in every call, making this very slow. I couldn't figure out how to make QSelectionModel behave more nicely, therefore I chose the nuclear option: Remove the map reloading from selectionChanged() and hook into all functions that do selection changes. In these functions, first call the original code and then do the selection-changed operations. This will certainly need some tuning. Reported-by: Willem Ferguson <willemferguson@zoology.up.ac.za> Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
103 lines
3.3 KiB
C++
103 lines
3.3 KiB
C++
// SPDX-License-Identifier: GPL-2.0
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/*
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* divelistview.h
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*
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* header file for the dive list of Subsurface
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*
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*/
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#ifndef DIVELISTVIEW_H
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#define DIVELISTVIEW_H
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/*! A view subclass for use with dives
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Note: calling this a list view might be misleading?
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*/
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#include <QTreeView>
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#include <QLineEdit>
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#include <QNetworkAccessManager>
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#include "qt-models/divetripmodel.h"
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#include "core/subsurface-qt/DiveListNotifier.h"
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class DiveListView : public QTreeView {
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Q_OBJECT
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public:
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DiveListView(QWidget *parent = 0);
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~DiveListView();
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void mouseDoubleClickEvent(QMouseEvent * event);
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void selectionChanged(const QItemSelection &selected, const QItemSelection &deselected);
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void currentChanged(const QModelIndex ¤t, const QModelIndex &previous);
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void setSortOrder(int i, Qt::SortOrder order); // Call to set sort order
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void reload(); // Call to reload model data
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bool eventFilter(QObject *, QEvent *);
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void unselectDives();
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void clearTripSelection();
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void selectDive(QModelIndex index, bool scrollto = false, bool toggle = false);
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void selectDive(int dive_table_idx, bool scrollto = false, bool toggle = false);
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void selectDives(const QList<int> &newDiveSelection);
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void selectFirstDive();
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QModelIndex indexOfFirstDive();
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void rememberSelection();
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void restoreSelection();
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void contextMenuEvent(QContextMenuEvent *event);
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QList<dive_trip *> selectedTrips();
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static QString lastUsedImageDir();
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static void updateLastUsedImageDir(const QString &s);
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signals:
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void divesSelected();
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public
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slots:
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void toggleColumnVisibilityByIndex();
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void reloadHeaderActions();
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void sortIndicatorChanged(int index, Qt::SortOrder order);
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void removeFromTrip();
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void deleteDive();
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void markDiveInvalid();
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void rowsInserted(const QModelIndex &parent, int start, int end) override;
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void reset() override;
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void mergeTripAbove();
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void mergeTripBelow();
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void newTripAbove();
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void addToTripAbove();
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void addToTripBelow();
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void mergeDives();
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void splitDives();
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void renumberDives();
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void shiftTimes();
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void loadImages();
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void loadWebImages();
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void diveSelectionChanged(const QVector<QModelIndex> &indexes);
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void currentDiveChanged(QModelIndex index);
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void filterFinished();
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void tripChanged(dive_trip *trip, TripField);
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private:
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void setSelection(const QRect &rect, QItemSelectionModel::SelectionFlags flags) override;
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void selectAll() override;
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void selectionChangeDone();
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bool mouseClickSelection;
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QList<int> expandedRows;
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DiveTripModelBase::Layout currentLayout;
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QModelIndex contextMenuIndex;
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bool dontEmitDiveChangedSignal;
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bool selectionSaved;
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// Remember the initial column widths, to avoid writing unchanged widths to the settings
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QVector<int> initialColumnWidths;
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/* if dive_trip_t is null, there's no problem. */
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QMultiHash<dive_trip *, int> selectedDives;
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void resetModel(); // Call after model changed
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void merge_trip(const QModelIndex &a, const int offset);
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void setColumnWidths();
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void calculateInitialColumnWidth(int col);
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void backupExpandedRows();
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void restoreExpandedRows();
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int lastVisibleColumn();
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void selectTrip(dive_trip *trip);
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void updateLastImageTimeOffset(int offset);
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int lastImageTimeOffset();
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void addToTrip(int delta);
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void matchImagesToDives(QStringList fileNames);
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void loadImageFromURL(QUrl url);
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QNetworkAccessManager manager;
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};
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#endif // DIVELISTVIEW_H
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