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Better model selection, much faster

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This commit is contained in:
Klaus Basan
2017-01-25 04:13:17 +01:00
committed by Mathew Sutcliffe
parent 74a4570a40
commit 1522c8175e
1 changed files with 7 additions and 5 deletions
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12
src/blackgui/views/viewbase.cpp
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@@ -418,15 +418,17 @@ namespace BlackGui
void CViewBaseNonTemplate::selectRows(const QSet<int> &rows) void CViewBaseNonTemplate::selectRows(const QSet<int> &rows)
{ {
// Multi row selection only work in MultiSelection if (!this->selectionModel()) { return; }
// multiple times faster than multiple than this->selectRow()
this->clearSelection(); this->clearSelection();
const SelectionMode m = this->selectionMode(); QItemSelection selectedItems;
this->setSelectionMode(MultiSelection); const int columns = this->model()->columnCount() - 1;
for (int r : rows) for (int r : rows)
{ {
this->selectRow(r); selectedItems.select(this->model()->index(r, 0), this->model()->index(r, columns));
} }
this->setSelectionMode(m); this->selectionModel()->select(selectedItems, QItemSelectionModel::Select);
} }
int CViewBaseNonTemplate::selectedRowCount() const int CViewBaseNonTemplate::selectedRowCount() const