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Dive list view: setup columns in constructor

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The column-widths must only be set once the source-model is that.
The old code realized this with a rather complicated logic.

Instead, simply set the source-model in the constructor and
set the column widths after that. Rename the corresponding
function from "setupUi" to "setColumnWidths".

Moreover, the setupUi function had different code-paths for
the first and other calls. Since it is only called once,
remove the other code paths.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2018-07-26 18:03:07 +02:00 committed by Dirk Hohndel
parent 079b99135a
commit 67a875ef81
2 changed files with 7 additions and 20 deletions
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25
desktop-widgets/divelistview.cpp
View file

@ -36,6 +36,8 @@ DiveListView::DiveListView(QWidget *parent) : QTreeView(parent), mouseClickSelec
model->setSortRole(DiveTripModel::SORT_ROLE);
model->setFilterKeyColumn(-1); // filter all columns
model->setFilterCaseSensitivity(Qt::CaseInsensitive);
DiveTripModel *tripModel = new DiveTripModel(this);
model->setSourceModel(tripModel);
setModel(model);
connect(model, SIGNAL(layoutChanged()), this, SLOT(fixMessyQtModelBehaviour()));
@ -48,11 +50,9 @@ DiveListView::DiveListView(QWidget *parent) : QTreeView(parent), mouseClickSelec
installEventFilter(this);
// TODO: We use a dummy DiveTripModel to calculated column widths.
// Change this to a global object.
DiveTripModel tripModel;
for (int i = DiveTripModel::NR; i < DiveTripModel::COLUMNS; i++)
calculateInitialColumnWidth(tripModel, i);
setColumnWidths();
}
DiveListView::~DiveListView()
@ -112,12 +112,10 @@ void DiveListView::calculateInitialColumnWidth(const DiveTripModel &tripModel, i
initialColumnWidths[col] = std::max(initialColumnWidths[col], width);
}
void DiveListView::setupUi()
void DiveListView::setColumnWidths()
{
QSettings settings;
static bool firstRun = true;
if (firstRun)
backupExpandedRows();
backupExpandedRows();
settings.beginGroup("ListWidget");
/* if no width are set, use the calculated width for each column;
* for that to work we need to temporarily expand all rows */
@ -132,11 +130,7 @@ void DiveListView::setupUi()
setColumnWidth(i, initialColumnWidths[i]);
}
settings.endGroup();
if (firstRun)
restoreExpandedRows();
else
collapseAll();
firstRun = false;
restoreExpandedRows();
setColumnWidth(lastVisibleColumn(), 10);
}
@ -399,13 +393,6 @@ void DiveListView::headerClicked(int i)
void DiveListView::reload(DiveTripModel::Layout layout, bool forceSort)
{
// we want to run setupUi() once we actually are displaying something
// in the widget
static bool first = true;
if (first && dive_table.nr > 0) {
setupUi();
first = false;
}
if (layout == DiveTripModel::CURRENT)
layout = currentLayout;
else

2
desktop-widgets/divelistview.h
View file

@ -77,7 +77,7 @@ private:
/* if dive_trip_t is null, there's no problem. */
QMultiHash<dive_trip_t *, int> selectedDives;
void merge_trip(const QModelIndex &a, const int offset);
void setupUi();
void setColumnWidths();
void calculateInitialColumnWidth(const DiveTripModel &tripModel, int col);
void backupExpandedRows();
void restoreExpandedRows();