mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-10-31 15:47:10 -04:00
94 lines
2.6 KiB
C++
94 lines
2.6 KiB
C++
|
#include "CheckableItemComboBox.hpp"
|
||
|
|
||
|
#include <QStyledItemDelegate>
|
||
|
#include <QStandardItemModel>
|
||
|
#include <QStandardItem>
|
||
|
#include <QLineEdit>
|
||
|
#include <QEvent>
|
||
|
#include <QListView>
|
||
|
|
||
|
class CheckableItemComboBoxStyledItemDelegate
|
||
|
: public QStyledItemDelegate
|
||
|
{
|
||
|
public:
|
||
|
explicit CheckableItemComboBoxStyledItemDelegate (QObject * parent = nullptr)
|
||
|
: QStyledItemDelegate {parent}
|
||
|
{
|
||
|
}
|
||
|
|
||
|
void paint (QPainter * painter, QStyleOptionViewItem const& option, QModelIndex const& index) const override
|
||
|
{
|
||
|
QStyleOptionViewItem& mutable_option = const_cast<QStyleOptionViewItem&> (option);
|
||
|
mutable_option.showDecorationSelected = false;
|
||
|
QStyledItemDelegate::paint (painter, mutable_option, index);
|
||
|
}
|
||
|
};
|
||
|
|
||
|
CheckableItemComboBox::CheckableItemComboBox (QWidget * parent)
|
||
|
: QComboBox {parent}
|
||
|
, model_ {new QStandardItemModel()}
|
||
|
{
|
||
|
setModel (model_.data ());
|
||
|
|
||
|
setEditable (true);
|
||
|
lineEdit ()->setReadOnly (true);
|
||
|
lineEdit ()->installEventFilter (this);
|
||
|
setItemDelegate (new CheckableItemComboBoxStyledItemDelegate {this});
|
||
|
|
||
|
connect (lineEdit(), &QLineEdit::selectionChanged, lineEdit(), &QLineEdit::deselect);
|
||
|
connect (static_cast<QListView *> (view ()), &QListView::pressed, this, &CheckableItemComboBox::item_pressed);
|
||
|
connect (model_.data (), &QStandardItemModel::dataChanged, this, &CheckableItemComboBox::model_data_changed);
|
||
|
}
|
||
|
|
||
|
QStandardItem * CheckableItemComboBox::addCheckItem (QString const& label, QVariant const& data
|
||
|
, Qt::CheckState checkState)
|
||
|
{
|
||
|
auto * item = new QStandardItem {label};
|
||
|
item->setCheckState (checkState);
|
||
|
item->setData (data);
|
||
|
item->setFlags (Qt::ItemIsUserCheckable | Qt::ItemIsEnabled);
|
||
|
model_->appendRow (item);
|
||
|
update_text ();
|
||
|
return item;
|
||
|
}
|
||
|
|
||
|
bool CheckableItemComboBox::eventFilter (QObject * object, QEvent * event)
|
||
|
{
|
||
|
if (object == lineEdit() && event->type () == QEvent::MouseButtonPress)
|
||
|
{
|
||
|
showPopup();
|
||
|
return true;
|
||
|
}
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
void CheckableItemComboBox::update_text()
|
||
|
{
|
||
|
QString text;
|
||
|
for (int i = 0; i < model_->rowCount (); ++i)
|
||
|
{
|
||
|
if (model_->item (i)->checkState () == Qt::Checked)
|
||
|
{
|
||
|
if (text.size ())
|
||
|
{
|
||
|
text+= ", ";
|
||
|
}
|
||
|
text += model_->item (i)->data ().toString ();
|
||
|
}
|
||
|
}
|
||
|
lineEdit ()->setText (text);
|
||
|
}
|
||
|
|
||
|
void CheckableItemComboBox::model_data_changed ()
|
||
|
{
|
||
|
update_text ();
|
||
|
}
|
||
|
|
||
|
void CheckableItemComboBox::item_pressed (QModelIndex const& index)
|
||
|
{
|
||
|
QStandardItem * item = model_->itemFromIndex (index);
|
||
|
item->setCheckState (item->checkState () == Qt::Checked ? Qt::Unchecked : Qt::Checked);
|
||
|
}
|
||
|
|
||
|
#include "widgets/moc_CheckableItemComboBox.cpp"
|