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desktop: add trip selection dialog

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A simple dialog to select a trip. Simply fill a QListWidget without
the model/view rigmarole. So much less painful! Of course that means
that the dialog has to be regenerated everytime it is used.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2020-09-29 23:19:11 +02:00 • committed by Dirk Hohndel
parent f4ee893424
commit f5fe6839c7
4 changed files with 151 additions and 0 deletions
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47
desktop-widgets/tripselectiondialog.cpp Normal file
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// SPDX-License-Identifier: GPL-2.0
#include "tripselectiondialog.h"
#include "core/trip.h"
#include "core/qthelper.h"
#include <QShortcut>
#include <QPushButton>
TripSelectionDialog::TripSelectionDialog(QWidget *parent) : QDialog(parent)
{
ui.setupUi(this);
connect(ui.trips, &QListWidget::itemSelectionChanged, this, &TripSelectionDialog::selectionChanged);
QShortcut *close = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_W), this);
connect(close, &QShortcut::activated, this, &QDialog::close);
QShortcut *quit = new QShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q), this);
connect(quit, &QShortcut::activated, parent, &QWidget::close);
// We could use a model, but it seems barely worth the hassle.
QStringList list;
list.reserve(trip_table.nr);
for (int i = 0; i < trip_table.nr; ++i)
list.push_back(get_trip_string(trip_table.trips[i]));
ui.trips->addItems(list);
}
void TripSelectionDialog::selectionChanged()
{
ui.buttonBox->button(QDialogButtonBox::Ok)->setEnabled(selectedTrip() != nullptr);
}
dive_trip *TripSelectionDialog::selectedTrip() const
{
// Accessing the selected index of a QListWidget is ridiculously cumbersome.
// Note that "currentItem" is a different beast.
QModelIndexList rows = ui.trips->selectionModel()->selectedRows();
if (rows.size() != 1)
return nullptr;
int idx = rows[0].row();
if (idx < 0 || idx >= trip_table.nr)
return nullptr;
return trip_table.trips[idx];
}
dive_trip *TripSelectionDialog::getTrip()
{
return exec() ? selectedTrip() : nullptr;
}