55 lines
1.4 KiB
C++
55 lines
1.4 KiB
C++
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#ifndef LIVE_FREQUENCY_VALIDATOR_HPP__
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#define LIVE_FREQUENCY_VALIDATOR_HPP__
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#include <QObject>
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#include <QRegExpValidator>
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#include "Radio.hpp"
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class Bands;
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class FrequencyList_v2;
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class QComboBox;
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class QWidget;
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//
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// Class LiveFrequencyValidator
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//
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// QLineEdit validator that controls input to an editable
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// QComboBox where the user can enter a valid band or a valid
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// frequency in megahetz.
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//
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// Collabrations
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//
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// Implements the QRegExpValidator interface. Validates input
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// from the supplied QComboBox as either a valid frequency in
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// megahertz or a valid band as defined by the supplied column of
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// the supplied QAbstractItemModel.
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//
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class LiveFrequencyValidator final
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: public QRegExpValidator
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{
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Q_OBJECT;
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public:
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using Frequency = Radio::Frequency;
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LiveFrequencyValidator (QComboBox * combo_box // associated combo box
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, Bands const * bands // bands model
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, FrequencyList_v2 const * frequencies // working frequencies model
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, Frequency const * nominal_frequency
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, QWidget * parent = nullptr);
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State validate (QString& input, int& pos) const override;
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void fixup (QString& input) const override;
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Q_SIGNAL void valid (Frequency) const;
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private:
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Bands const * bands_;
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FrequencyList_v2 const * frequencies_;
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Frequency const * nominal_frequency_;
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QComboBox * combo_box_;
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};
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#endif
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