mirror of
https://github.com/JS8Call-improved/JS8Call-improved
synced 2026-08-13 17:47:36 -04:00
356bdc0f50
Rename all header files with .h extension Fix function declaration in HamlibTransceiver.h that overrode member function but was not marked override Remove unused variable in Modulator.cpp Remove unused files from source tree Remove duplicate LazyFillComboBox files Reformat codebase to LLVM C++ standard
82 lines
2.8 KiB
C++
82 lines
2.8 KiB
C++
#include "CheckableItemComboBox.h"
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#include <QEvent>
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#include <QLineEdit>
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#include <QListView>
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#include <QStandardItem>
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#include <QStandardItemModel>
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#include <QStyledItemDelegate>
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class CheckableItemComboBoxStyledItemDelegate : public QStyledItemDelegate {
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public:
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explicit CheckableItemComboBoxStyledItemDelegate(QObject *parent = nullptr)
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: QStyledItemDelegate{parent} {}
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void paint(QPainter *painter, QStyleOptionViewItem const &option,
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QModelIndex const &index) const override {
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QStyleOptionViewItem &mutable_option =
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const_cast<QStyleOptionViewItem &>(option);
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mutable_option.showDecorationSelected = false;
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QStyledItemDelegate::paint(painter, mutable_option, index);
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}
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};
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CheckableItemComboBox::CheckableItemComboBox(QWidget *parent)
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: LazyFillComboBox{parent}, model_{new QStandardItemModel()} {
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setModel(model_.data());
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setEditable(true);
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lineEdit()->setReadOnly(true);
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lineEdit()->installEventFilter(this);
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setItemDelegate(new CheckableItemComboBoxStyledItemDelegate{this});
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connect(lineEdit(), &QLineEdit::selectionChanged, lineEdit(),
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&QLineEdit::deselect);
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connect(static_cast<QListView *>(view()), &QListView::pressed, this,
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&CheckableItemComboBox::item_pressed);
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connect(model_.data(), &QStandardItemModel::dataChanged, this,
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&CheckableItemComboBox::model_data_changed);
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}
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QStandardItem *CheckableItemComboBox::addCheckItem(QString const &label,
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QVariant const &data,
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Qt::CheckState checkState) {
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auto *item = new QStandardItem{label};
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item->setCheckState(checkState);
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item->setData(data);
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item->setFlags(Qt::ItemIsUserCheckable | Qt::ItemIsEnabled);
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model_->appendRow(item);
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update_text();
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return item;
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}
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bool CheckableItemComboBox::eventFilter(QObject *object, QEvent *event) {
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if (object == lineEdit() && event->type() == QEvent::MouseButtonPress) {
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showPopup();
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return true;
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}
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return false;
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}
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void CheckableItemComboBox::update_text() {
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QString text;
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for (int i = 0; i < model_->rowCount(); ++i) {
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if (model_->item(i)->checkState() == Qt::Checked) {
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if (text.size()) {
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text += ", ";
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}
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text += model_->item(i)->data().toString();
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}
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}
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lineEdit()->setText(text);
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}
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void CheckableItemComboBox::model_data_changed() { update_text(); }
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void CheckableItemComboBox::item_pressed(QModelIndex const &index) {
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QStandardItem *item = model_->itemFromIndex(index);
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item->setCheckState(item->checkState() == Qt::Checked ? Qt::Unchecked
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: Qt::Checked);
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}
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#include "moc_CheckableItemComboBox.cpp"
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