diff options
Diffstat (limited to 'examples/corelib/tools/contiguouscache/randomlistmodel.cpp')
-rw-r--r-- | examples/corelib/tools/contiguouscache/randomlistmodel.cpp | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/examples/corelib/tools/contiguouscache/randomlistmodel.cpp b/examples/corelib/tools/contiguouscache/randomlistmodel.cpp index 3997be2198..4832f0ae24 100644 --- a/examples/corelib/tools/contiguouscache/randomlistmodel.cpp +++ b/examples/corelib/tools/contiguouscache/randomlistmodel.cpp @@ -3,16 +3,12 @@ #include "randomlistmodel.h" #include <QRandomGenerator> -static const int bufferSize(500); -static const int lookAhead(100); -static const int halfLookAhead(lookAhead/2); +static constexpr int bufferSize(500); +static constexpr int lookAhead(100); +static constexpr int halfLookAhead(lookAhead / 2); RandomListModel::RandomListModel(QObject *parent) -: QAbstractListModel(parent), m_rows(bufferSize), m_count(10000) -{ -} - -RandomListModel::~RandomListModel() + : QAbstractListModel(parent), m_rows(bufferSize), m_count(10000) { } @@ -31,14 +27,14 @@ QVariant RandomListModel::data(const QModelIndex &index, int role) const if (row > m_rows.lastIndex()) { if (row - m_rows.lastIndex() > lookAhead) - cacheRows(row-halfLookAhead, qMin(m_count, row+halfLookAhead)); + cacheRows(row - halfLookAhead, qMin(m_count, row + halfLookAhead)); else while (row > m_rows.lastIndex()) - m_rows.append(fetchRow(m_rows.lastIndex()+1)); + m_rows.append(fetchRow(m_rows.lastIndex() + 1)); } else if (row < m_rows.firstIndex()) { if (m_rows.firstIndex() - row > lookAhead) - cacheRows(qMax(0, row-halfLookAhead), row+halfLookAhead); + cacheRows(qMax(0, row - halfLookAhead), row + halfLookAhead); else while (row < m_rows.firstIndex()) - m_rows.prepend(fetchRow(m_rows.firstIndex()-1)); + m_rows.prepend(fetchRow(m_rows.firstIndex() - 1)); } return m_rows.at(row); |