C++ (Cpp) labelEditingFinished Examples

Example #1

File: filter_expressions_preferences_frame.cpp Project: ajitlakhwani/wireshark

void FilterExpressionsPreferencesFrame::keyPressEvent(QKeyEvent *evt)
{
    if (cur_line_edit_ && cur_line_edit_->hasFocus()) {
        switch (evt->key()) {
        case Qt::Key_Escape:
            cur_line_edit_->setText(saved_col_string_);
            /* Fall Through */
        case Qt::Key_Enter:
        case Qt::Key_Return:
            switch (cur_column_) {
            case label_col_:
                labelEditingFinished();
                break;
            case expression_col_:
                expressionEditingFinished();
                break;
            default:
                break;
            }

            delete cur_line_edit_;
            return;
        default:
            break;
        }
    }
    QFrame::keyPressEvent(evt);
}

Example #2

File: filter_expressions_preferences_frame.cpp Project: CTSRD-CHERI/wireshark

void FilterExpressionsPreferencesFrame::on_expressionTreeWidget_itemActivated(QTreeWidgetItem *item, int column)
{
    if (!item || cur_line_edit_) return;

    QWidget *editor = NULL;
    cur_column_ = column;

    switch (column) {
    case label_col_:
    {
        cur_line_edit_ = new QLineEdit();
        cur_column_ = column;
        saved_col_string_ = item->text(label_col_);
        connect(cur_line_edit_, SIGNAL(editingFinished()), this, SLOT(labelEditingFinished()));
        editor = cur_line_edit_;
        break;
    }
    case expression_col_:
    {
        SyntaxLineEdit *syntax_edit = new SyntaxLineEdit();
        saved_col_string_ = item->text(expression_col_);
        connect(syntax_edit, SIGNAL(textChanged(QString)),
                this, SLOT(expressionTextChanged(QString)));
        connect(syntax_edit, SIGNAL(editingFinished()), this, SLOT(expressionEditingFinished()));
        editor = cur_line_edit_ = syntax_edit;
        break;
    }
    default:
        return;
    }

    if (cur_line_edit_) {
        cur_line_edit_->setText(saved_col_string_);
        cur_line_edit_->selectAll();
        connect(cur_line_edit_, SIGNAL(destroyed()), this, SLOT(lineEditDestroyed()));
    }

    if (editor) {
        QFrame *edit_frame = new QFrame();
        QHBoxLayout *hb = new QHBoxLayout();
        QSpacerItem *spacer = new QSpacerItem(5, 10);

        hb->addWidget(editor, 0);
        hb->addSpacerItem(spacer);
        hb->setStretch(1, 1);
        hb->setContentsMargins(0, 0, 0, 0);

        edit_frame->setLineWidth(0);
        edit_frame->setFrameStyle(QFrame::NoFrame);
        // The documentation suggests setting autoFillbackground. That looks silly
        // so we clear the item text instead.
        item->setText(cur_column_, "");
        edit_frame->setLayout(hb);
        ui->expressionTreeWidget->setItemWidget(item, cur_column_, edit_frame);
        editor->setFocus();
    }
}