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bit enhanced drag/drop, now it is way more robust than it was before, there are still some cases when "workaround" behavior has to be used but it atleast now drops where/how it should

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This commit is contained in:
Martin Rotter 2024-07-25 13:25:33 +02:00
parent b9c4e78fa0
commit 70f9374494
1 changed files with 11 additions and 17 deletions
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28
src/librssguard/core/feedsproxymodel.cpp
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@ -168,6 +168,10 @@ bool FeedsProxyModel::canDropMimeData(const QMimeData* data,
int row,
int column,
const QModelIndex& parent) const {
if (action != Qt::DropAction::MoveAction) {
return false;
}
QByteArray dragged_items_data = data->data(QSL(MIME_TYPE_ITEM_POINTER));
QDataStream stream(&dragged_items_data, QIODevice::OpenModeFlag::ReadOnly);
const bool order_change = row >= 0 && !m_sortAlphabetically;
@ -184,7 +188,8 @@ bool FeedsProxyModel::canDropMimeData(const QMimeData* data,
// Dragged item must service root, feed or category.
//
// If row is less then zero, it means we are moving dragged item into new parent.
// If row is less than zero, it means we are moving dragged item into new parent. If row is at least
// zero, then we are sorting the dragged item.
//
// Otherwise the target row identifies the item just below the drop target placement insertion line.
QModelIndex target_idx = order_change ? mapToSource(index(row, 0, parent)) : target_parent;
@ -198,14 +203,12 @@ bool FeedsProxyModel::canDropMimeData(const QMimeData* data,
switch (dragged_item->kind()) {
case RootItem::Kind::Feed:
case RootItem::Kind::Category:
// Feeds can be reordered or inserted under service root or category.
// Categories can be reordered or inserted under service root or another category.
return target_parent_item->kind() == RootItem::Kind::Category ||
target_parent_item->kind() == RootItem::Kind::ServiceRoot;
case RootItem::Kind::Category:
// Categories can be reordered or inserted under service root or another category.
break;
case RootItem::Kind::ServiceRoot:
// Service root cannot be inserted under different parent, can only be reordered.
if (!order_change) {
@ -216,20 +219,11 @@ bool FeedsProxyModel::canDropMimeData(const QMimeData* data,
}
default:
return false;
break;
}
return false;
/*
auto can_drop = target_item->kind() == RootItem::Kind::ServiceRoot ||
target_item->kind() == RootItem::Kind::Category || target_item->kind() == RootItem::Kind::Feed;
return QSortFilterProxyModel::canDropMimeData(data, action, row, column, parent) && can_drop;
*/
}
else {
return false;
}
return false;
}
bool FeedsProxyModel::dropMimeData(const QMimeData* data,