QModelIndex SearchEditorTreeView::moveCursor(CursorAction cursorAction, Qt::KeyboardModifiers modifiers)
{
if (cursorAction == QAbstractItemView::MoveNext) {
QModelIndex index = currentIndex();
// Only the first column of a group is editable
if (!model()->data(index.sibling(index.row(), 0), Qt::UserRole + 1).toBool()) {
// Move to next column in row if there is one
if (index.column() < (header()->count() - 1)) {
return model()->index(index.row(), index.column() + 1, index.parent());
}
}
// Reset to first column in row so that default moveCursor moves it down one
if (indexBelow(index).isValid()) {
setCurrentIndex(model()->index(index.row(), 0, index.parent()));
}
}
else if (cursorAction == QAbstractItemView::MovePrevious) {
QModelIndex index = currentIndex();
// Only the first column of a group is editable
if (!model()->data(index.sibling(index.row(), 0), Qt::UserRole + 1).toBool()) {
// Move to previous column in row if there is one
if (index.column() > 0) {
return model()->index(index.row(), index.column() - 1, index.parent());
}
}
if (indexAbove(index).isValid()) {
// If row above is a group always reset to first column otherwise last column
if (model()->data(indexAbove(index).sibling(indexAbove(index).row(), 0), Qt::UserRole + 1).toBool()) {
setCurrentIndex(model()->index(index.row(), 0, index.parent()));
}
else {
setCurrentIndex(model()->index(index.row(), header()->count() - 1, index.parent()));
}
}
}
return QTreeView::moveCursor(cursorAction, modifiers);
}
void hrTreeView::keyPressEvent(QKeyEvent *event)
{
if (event->key() == Qt::Key_Down)
{
QModelIndex index = indexBelow(currentIndex());
emit highlighted(index.isValid() ? index : currentIndex());
}
else if (event->key() == Qt::Key_Up)
{
QModelIndex index = indexAbove(currentIndex());
emit highlighted(index.isValid() ? index : currentIndex());
}
QTreeView::keyPressEvent(event);
}
/*
direction: 1=below only, 2=above only, 3=below then above
*/
QStandardItem*
mail_listview::nearest(const mail_msg* msg, int direction) const
{
mail_item_model* model = this->model();
QStandardItem* item = model->item_from_id(msg->get_id());
if (item!=NULL) {
if (direction==1 || direction==3) {
QModelIndex index_below=indexBelow(item->index());
if (index_below.isValid()) {
return model->itemFromIndex(index_below);
}
}
if (direction==2 || direction==3) {
QModelIndex index_above=indexAbove(item->index());
if (index_above.isValid()) {
return model->itemFromIndex(index_above);
}
}
}
return NULL;
}
void
mail_listview::remove_msg(mail_msg* msg, bool select_next)
{
DBG_PRINTF(8, "mail_listview::remove_msg(mail_id=%d, select_next=%d)", msg->get_id(), select_next);
mail_item_model* model = this->model();
QStandardItem* item = model->item_from_id(msg->get_id());
if (!item)
return;
QStandardItem* nearest = NULL;
QSet<QStandardItem*> expanded_set;
if (select_next) {
QModelIndex index_below = indexBelow(item->index());
if (index_below.isValid()) {
nearest = model->itemFromIndex(index_below);
DBG_PRINTF(5, "nearest got from index_below");
}
else {
QModelIndex index_above = indexAbove(item->index());
if (index_above.isValid()) {
nearest = model->itemFromIndex(index_above);
DBG_PRINTF(5, "nearest got from index_above");
}
}
if (nearest) {
/* record the expansion states of all child items to set them
back after the parent's removal */
collect_expansion_states(item, expanded_set);
}
}
model->remove_msg(msg);
if (select_next && nearest) {
QModelIndex index = nearest->index();
DBG_PRINTF(5,"making current index row=%d col=%d parent is valid=%d",
index.row(), index.column(), index.parent().isValid()?1:0);
foreach (QStandardItem *child, expanded_set) {
setExpanded(child->index(), true);
}
void TabTreeView::adjustStyleOption(QStyleOptionViewItem *option)
{
const QModelIndex index = option->index;
option->state.setFlag(QStyle::State_Active, true);
option->state.setFlag(QStyle::State_HasFocus, false);
option->state.setFlag(QStyle::State_Selected, index.data(TabModel::CurrentTabRole).toBool());
if (!index.isValid()) {
option->viewItemPosition = QStyleOptionViewItem::Invalid;
} else if (model()->rowCount() == 1) {
option->viewItemPosition = QStyleOptionViewItem::OnlyOne;
} else {
if (!indexAbove(index).isValid()) {
option->viewItemPosition = QStyleOptionViewItem::Beginning;
} else if (!indexBelow(index).isValid()) {
option->viewItemPosition = QStyleOptionViewItem::End;
} else {
option->viewItemPosition = QStyleOptionViewItem::Middle;
}
}
}
