void StatePropertyGridWidget::OnListItemChanged(QListWidgetItem* /*item*/)
{
ui->stateSelectListWidget->blockSignals(true);
ui->selectAllCheckbox->blockSignals(true);
eCheckedState checkedState = GetCheckedState();
switch (checkedState)
{
case STATE_EVERY_ITEM_CHECKED:
ui->selectAllCheckbox->setCheckState(Qt::Checked);
break;
case STATE_EVERY_ITEM_UNCHECKED:
ui->selectAllCheckbox->setCheckState(Qt::Unchecked);
ui->stateSelectListWidget->item(0)->setCheckState(Qt::Checked);
break;
default:
break;
}
ui->selectAllCheckbox->blockSignals(false);
ui->stateSelectListWidget->blockSignals(false);
MultiplyStateSelectionChanged();
}
void wxTreeListCtrl::UpdateItemParentStateRecursively(wxTreeListItem item)
{
wxCHECK_RET( item.IsOk(), "Invalid item" );
wxASSERT_MSG( HasFlag(wxTL_3STATE), "Can only be used with wxTL_3STATE" );
for ( ;; )
{
wxTreeListItem parent = GetItemParent(item);
if ( parent == GetRootItem() )
{
// There is no checked state associated with the root item.
return;
}
// Set parent state to the state of this item if all the other children
// have the same state too. Otherwise make it indeterminate.
const wxCheckBoxState stateItem = GetCheckedState(item);
CheckItem(parent, AreAllChildrenInState(parent, stateItem)
? stateItem
: wxCHK_UNDETERMINED);
// And do the same thing with the parent's parent too.
item = parent;
}
}
void StatePropertyGridWidget::SetAllChecked(Qt::CheckState state)
{
for (int32 i = 0; i < ui->stateSelectListWidget->count(); ++i)
{
QListWidgetItem* item = ui->stateSelectListWidget->item(i);
item->setCheckState(state);
}
if (GetCheckedState() == STATE_EVERY_ITEM_UNCHECKED)
{
ui->stateSelectListWidget->item(0)->setCheckState(Qt::Checked);
}
}
bool
wxTreeListCtrl::AreAllChildrenInState(wxTreeListItem item,
wxCheckBoxState state) const
{
wxCHECK_MSG( item.IsOk(), false, "Invalid item" );
for ( wxTreeListItem child = GetFirstChild(item);
child.IsOk();
child = GetNextSibling(child) )
{
if ( GetCheckedState(child) != state )
return false;
}
return true;
}
