void GroupedIconView::paintEvent(QPaintEvent* e) {
// This code was adapted from QListView::paintEvent(), changed to use the
// visualRect() of items, and to draw headers.
QStyleOptionViewItemV4 option(viewOptions());
if (isWrapping())
option.features = QStyleOptionViewItemV2::WrapText;
option.locale = locale();
option.locale.setNumberOptions(QLocale::OmitGroupSeparator);
option.widget = this;
QPainter painter(viewport());
const QRect viewport_rect(e->rect().translated(horizontalOffset(), verticalOffset()));
QVector<QModelIndex> toBeRendered = IntersectingItems(viewport_rect);
const QModelIndex current = currentIndex();
const QAbstractItemModel *itemModel = model();
const QItemSelectionModel *selections = selectionModel();
const bool focus = (hasFocus() || viewport()->hasFocus()) && current.isValid();
const QStyle::State state = option.state;
const QAbstractItemView::State viewState = this->state();
const bool enabled = (state & QStyle::State_Enabled) != 0;
int maxSize = (flow() == TopToBottom)
? viewport()->size().width() - 2 * spacing()
: viewport()->size().height() - 2 * spacing();
QVector<QModelIndex>::const_iterator end = toBeRendered.constEnd();
for (QVector<QModelIndex>::const_iterator it = toBeRendered.constBegin(); it != end; ++it) {
if (!it->isValid()) {
continue;
}
option.rect = visualRect(*it);
if (flow() == TopToBottom)
option.rect.setWidth(qMin(maxSize, option.rect.width()));
else
option.rect.setHeight(qMin(maxSize, option.rect.height()));
option.state = state;
if (selections && selections->isSelected(*it))
option.state |= QStyle::State_Selected;
if (enabled) {
QPalette::ColorGroup cg;
if ((itemModel->flags(*it) & Qt::ItemIsEnabled) == 0) {
option.state &= ~QStyle::State_Enabled;
cg = QPalette::Disabled;
} else {
cg = QPalette::Normal;
}
option.palette.setCurrentColorGroup(cg);
}
if (focus && current == *it) {
option.state |= QStyle::State_HasFocus;
if (viewState == EditingState)
option.state |= QStyle::State_Editing;
}
itemDelegate()->paint(&painter, option, *it);
}
// Draw headers
foreach (const Header& header, headers_) {
const QRect header_rect = QRect(
header_indent_, header.y,
viewport()->width() - header_indent_ * 2, header_height());
// Is this header contained in the area we're drawing?
if (!header_rect.intersects(viewport_rect)) {
continue;
}
// Draw the header
DrawHeader(model()->index(header.first_row, 0),
header_rect.translated(-horizontalOffset(), -verticalOffset()),
&painter);
}
}
int QListView::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QAbstractItemView::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
if (_id < 1)
qt_static_metacall(this, _c, _id, _a);
_id -= 1;
}
#ifndef QT_NO_PROPERTIES
else if (_c == QMetaObject::ReadProperty) {
void *_v = _a[0];
switch (_id) {
case 0: *reinterpret_cast< Movement*>(_v) = movement(); break;
case 1: *reinterpret_cast< Flow*>(_v) = flow(); break;
case 2: *reinterpret_cast< bool*>(_v) = isWrapping(); break;
case 3: *reinterpret_cast< ResizeMode*>(_v) = resizeMode(); break;
case 4: *reinterpret_cast< LayoutMode*>(_v) = layoutMode(); break;
case 5: *reinterpret_cast< int*>(_v) = spacing(); break;
case 6: *reinterpret_cast< QSize*>(_v) = gridSize(); break;
case 7: *reinterpret_cast< ViewMode*>(_v) = viewMode(); break;
case 8: *reinterpret_cast< int*>(_v) = modelColumn(); break;
case 9: *reinterpret_cast< bool*>(_v) = uniformItemSizes(); break;
case 10: *reinterpret_cast< int*>(_v) = batchSize(); break;
case 11: *reinterpret_cast< bool*>(_v) = wordWrap(); break;
case 12: *reinterpret_cast< bool*>(_v) = isSelectionRectVisible(); break;
}
_id -= 13;
} else if (_c == QMetaObject::WriteProperty) {
void *_v = _a[0];
switch (_id) {
case 0: setMovement(*reinterpret_cast< Movement*>(_v)); break;
case 1: setFlow(*reinterpret_cast< Flow*>(_v)); break;
case 2: setWrapping(*reinterpret_cast< bool*>(_v)); break;
case 3: setResizeMode(*reinterpret_cast< ResizeMode*>(_v)); break;
case 4: setLayoutMode(*reinterpret_cast< LayoutMode*>(_v)); break;
case 5: setSpacing(*reinterpret_cast< int*>(_v)); break;
case 6: setGridSize(*reinterpret_cast< QSize*>(_v)); break;
case 7: setViewMode(*reinterpret_cast< ViewMode*>(_v)); break;
case 8: setModelColumn(*reinterpret_cast< int*>(_v)); break;
case 9: setUniformItemSizes(*reinterpret_cast< bool*>(_v)); break;
case 10: setBatchSize(*reinterpret_cast< int*>(_v)); break;
case 11: setWordWrap(*reinterpret_cast< bool*>(_v)); break;
case 12: setSelectionRectVisible(*reinterpret_cast< bool*>(_v)); break;
}
_id -= 13;
} else if (_c == QMetaObject::ResetProperty) {
_id -= 13;
} else if (_c == QMetaObject::QueryPropertyDesignable) {
_id -= 13;
} else if (_c == QMetaObject::QueryPropertyScriptable) {
_id -= 13;
} else if (_c == QMetaObject::QueryPropertyStored) {
_id -= 13;
} else if (_c == QMetaObject::QueryPropertyEditable) {
_id -= 13;
} else if (_c == QMetaObject::QueryPropertyUser) {
_id -= 13;
}
#endif // QT_NO_PROPERTIES
return _id;
}
