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769915f3fe
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>
52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
// SPDX-License-Identifier: GPL-2.0
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// Selection related functions
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#ifndef SELECTION_H
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#define SELECTION_H
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struct dive;
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extern int amount_selected;
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/*** C and C++ functions ***/
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern void select_dive(struct dive *dive);
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extern void deselect_dive(struct dive *dive);
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extern struct dive *first_selected_dive(void);
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extern struct dive *last_selected_dive(void);
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extern bool consecutive_selected(void);
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extern void select_newest_visible_dive();
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extern void select_single_dive(struct dive *d); // wrapper for setSelection() with a single dive. NULL clears the selection.
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extern void select_trip(struct dive_trip *trip);
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extern void deselect_trip(struct dive_trip *trip);
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extern struct dive_trip *single_selected_trip(); // returns trip if exactly one trip is selected, NULL otherwise.
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extern void clear_selection(void);
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#if DEBUG_SELECTION_TRACKING
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extern void dump_selection(void);
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#endif
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#ifdef __cplusplus
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}
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#endif
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/*** C++-only functions ***/
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#ifdef __cplusplus
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#include <vector>
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// Reset the selection to the dives of the "selection" vector and send the appropriate signals.
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// Set the current dive to "currentDive". "currentDive" must be an element of "selection" (or
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// null if "seletion" is empty).
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void setSelection(const std::vector<dive *> &selection, dive *currentDive);
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// Get currently selectd dives
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std::vector<dive *> getDiveSelection();
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#endif // __cplusplus
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#endif // SELECTION_H
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