100 lines
3.3 KiB
Plaintext
100 lines
3.3 KiB
Plaintext
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#include "LiveFrequencyValidator.hpp"
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#include <QLocale>
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#include <QString>
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#include <QComboBox>
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#include <QLineEdit>
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#include "Bands.hpp"
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#include "FrequencyList.hpp"
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#include "moc_LiveFrequencyValidator.cpp"
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LiveFrequencyValidator::LiveFrequencyValidator (QComboBox * combo_box
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, Bands const * bands
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, FrequencyList const * frequencies
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, Frequency const * nominal_frequency
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, QWidget * parent)
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: QRegExpValidator {
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QRegExp { // frequency in MHz or band
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bands->data (QModelIndex {}).toString () // out of band string
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+ QString {R"(|((\d{0,6}(\)"} // or up to 6 digits
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+ QLocale {}.decimalPoint () // (followed by decimal separator
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+ R"(\d{0,2})?)([Mm]{1,2}|([Cc][Mm])))|(\d{0,6}(\)" // followed by up to 2 digits and either 'm' or 'cm' or 'mm' (case insensitive))
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+ QLocale {}.decimalPoint () // or a decimal separator
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+ R"(\d{0,6})?)|(\d{0,3}(\)" // followed by up to 6
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// digits or a decimal number
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+ QLocale {}.decimalPoint () // or a decimal separator
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+ R"(\d{0,6})?[Kk]))" // followed by a 'k' or 'K'
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}
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, parent
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}
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, bands_ {bands}
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, frequencies_ {frequencies}
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, nominal_frequency_ {nominal_frequency}
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, combo_box_ {combo_box}
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{
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}
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auto LiveFrequencyValidator::validate (QString& input, int& pos) const -> State
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{
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auto state = QRegExpValidator::validate (input, pos);
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// by never being Acceptable we force fixup calls on ENTER or
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// losing focus
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return Acceptable == state ? Intermediate : state;
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}
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void LiveFrequencyValidator::fixup (QString& input) const
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{
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QRegExpValidator::fixup (input);
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if (!bands_->oob ().startsWith (input))
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{
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if (input.contains ('m', Qt::CaseInsensitive))
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{
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input = input.toLower ();
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QVector<QVariant> frequencies;
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for (auto const& item : frequencies_->frequency_list ())
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{
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if (bands_->find (item.frequency_) == input)
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{
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frequencies << item.frequency_;
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}
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}
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if (!frequencies.isEmpty ())
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{
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Q_EMIT valid (frequencies.first ().value<Frequency> ());
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}
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else
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{
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input = QString {};
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}
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}
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else if (input.contains (QChar {'k'}, Qt::CaseInsensitive))
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{
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// kHz in current MHz input
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auto f = Radio::frequency (input.remove (QChar {'k'}, Qt::CaseInsensitive), 3);
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f += *nominal_frequency_ / 1000000u * 1000000u;
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input = bands_->find (f);
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Q_EMIT valid (f);
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}
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else
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{
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// frequency input
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auto f = Radio::frequency (input, 6);
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input = bands_->find (f);
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Q_EMIT valid (f);
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}
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if (bands_->oob () == input)
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{
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combo_box_->lineEdit ()->setStyleSheet ("QLineEdit {color: yellow; background-color : red;}");
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}
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else
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{
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combo_box_->lineEdit ()->setStyleSheet ({});
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}
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combo_box_->setCurrentText (input);
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}
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}
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