first re-commit.
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206
libMiniCash/mcnetworkdialog.cpp
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206
libMiniCash/mcnetworkdialog.cpp
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/***************************************************************************
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miniCash
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Copyright © 2022 christoph holzheuer
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c.holzheuer@sourceworx.org
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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***************************************************************************/
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#include <QMessageBox>
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#include <QDialogButtonBox>
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#include <libMiniCash.h>
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#include <mcnetworkdialog.h>
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#include <ui_mcnetworkdialog.h>
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MCNetworkDialog::MCNetworkDialog( QWidget* parent, QSettings* settings )
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: QDialog( parent ), _ui{new Ui::MCNetworkDialog}, _settings( settings )
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{
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Q_ASSERT( nullptr != _settings );
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_ui->setupUi( this );
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// Murx, FIX! das sollte über den Translator gehen
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_ui->_buttonBox->button( QDialogButtonBox::Ok )->setText( "Speichern" );
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_ui->_buttonBox->button( QDialogButtonBox::Cancel )->setText( "Abbrechen" );
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/// Vorgabewerte setzen
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_ui->_receiverHost->setText( _settings->value( miniCash::keyReceiverHost ).toString() );
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_ui->_receiverPort->setText( _settings->value( miniCash::keyReceiverPort, miniCash::receiverPort ).toString() );
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_ui->_senderHost->setText( QHostInfo::localHostName() );
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bool isReceiver = _settings->value( miniCash::keyIsTcpReceiver, miniCash::isTcpReceiver ).toBool();
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bool isSender = _settings->value( miniCash::keyIsTcpSender, miniCash::isTcpSender ).toBool();
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_ui->_isSender->setChecked ( isSender );
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_ui->_isReceiver->setChecked( isReceiver );
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onSetNetworkEnabled( true );
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onTestHostEntry();
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connect( _ui->_buttonBox, SIGNAL( accepted() ), this, SLOT( accept() ) );
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connect( _ui->_buttonBox, SIGNAL( rejected() ), this, SLOT( reject() ) );
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connect( _ui->_receiverHost, SIGNAL( textChanged(QString) ), this, SLOT( onTestHostEntry(QString) ) );
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connect( _ui->_receiverPort, SIGNAL( textChanged(QString) ), this, SLOT( onTestHostEntry(QString) ) );
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connect( _ui->_isSender, SIGNAL( toggled(bool) ), this, SLOT( onSetNetworkEnabled(bool) ) );
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connect( _ui->_isReceiver, SIGNAL( toggled(bool) ), this, SLOT( onSetNetworkEnabled(bool) ) );
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/// @see https://www.kdab.com/nailing-13-signal-slot-mistakes-clazy-1-3/:
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/// warning pass a context object as 3rd connect parameter
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connect( _ui->_buttonUseNetwork, &QAbstractButton::toggled, _ui->_receiverHost,
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[=]( bool isOn )
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{
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_ui->_groupBox->setEnabled( isOn );
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_useNetwork = isOn;
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if( !isOn )
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{
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_ui->_isSender->setChecked( false );
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_ui->_isReceiver->setChecked( false );
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}
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} );
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connect( _ui->_buttonTest, &QPushButton::clicked, _ui->_receiverHost,
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[=]()
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{
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QHostInfo::lookupHost( _ui->_receiverHost->text(), this, SLOT( onLookupHost(QHostInfo) ) );
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} );
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}
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/**
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* @brief Destruktor
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*/
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MCNetworkDialog::~MCNetworkDialog()
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{
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delete _ui;
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}
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void MCNetworkDialog::onTestHostEntry( const QString& )
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{
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bool enable = !_ui->_receiverHost->text().isEmpty() && !_ui->_receiverPort->text().isEmpty();
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_ui->_buttonTest->setEnabled( enable );
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}
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void MCNetworkDialog::onSetNetworkEnabled( bool )
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{
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bool isSender = _ui->_isSender->isChecked();
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bool isReceiver = _ui->_isReceiver->isChecked();
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_ui->_buttonTest->setEnabled( isSender );
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_ui->_receiverHost->setEnabled( isSender );
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_ui->_receiverPort->setEnabled( isSender );
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_useNetwork = isSender || isReceiver;
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/// klappt nicht! Bedenke die Logik!
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///_buttonUseNetwork->setChecked( _useNetwork );
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_ui->_buttonUseUSB->setChecked( !_useNetwork );
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_ui->_buttonUseNetwork->setChecked( _useNetwork );
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_ui->_groupBox->setEnabled( _useNetwork );
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}
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bool MCNetworkDialog::onLookupHost( const QHostInfo& hostInfo )
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{
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if( hostInfo.error() != QHostInfo::NoError )
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{
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_ui->_labelTest->setStyleSheet( "font-weight: bold; color: red" );
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_ui->_labelTest->setText( "Host nicht gefunden" );
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return false;
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}
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_ui->_labelTest->setStyleSheet( "font-weight: normal; color: green" );
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_ui->_labelTest->setText( "Verbindung möglich" );
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return true;
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}
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/**
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* @brief ok gedrückt: geänderte Daten prüfen und übernehmen
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*/
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void MCNetworkDialog::accept()
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{
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qDebug() << "MCNetworkDialog::accept()";
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const QString& host = _ui->_receiverHost->text();
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const QString& port = _ui->_receiverPort->text();
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QHostInfo hostInfo;
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/// wollen wir ins netz?
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onSetNetworkEnabled( true );
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/// wir wollen gar kein netz?
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if( !_useNetwork || _ui->_buttonUseUSB->isChecked() )
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//return QDialog::reject();
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goto xx;
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/// wollen wir server sein?
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if( !_ui->_isSender->isChecked() )
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goto xx;
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/// wir wollen senden, also Receiver prüfen
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if( host.isEmpty() || port.isEmpty() )
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{
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QMessageBox::warning
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(
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this,
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"Eingabefehler",
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"Die Felder 'Servername' und 'Port'\n "
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"müssen belegt sein."
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);
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return;
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}
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/*
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Nein, das haut so nicht hin
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// alles da, klappts dann auch mit dem Nachbarn?
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int res = QHostInfo::lookupHost( host, this, SLOT( onLookupHost(QHostInfo) ) );
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/// hier warten, bis 'onLookupHost' zurückkommt und '_hostValid' gesetzt ist
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_lookupLock.lock();
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*/
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hostInfo = QHostInfo::fromName( host );
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if( onLookupHost( hostInfo ) )
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goto xx;
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QMessageBox::warning
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(
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this,
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"Netzwerkfehler",
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"Der Server '" + host + "' ist \n"
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"nicht erreichbar."
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);
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return;
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xx: _settings->setValue( miniCash::keyIsTcpSender, _ui->_isSender->isChecked() );
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_settings->setValue( miniCash::keyIsTcpReceiver, _ui->_isReceiver->isChecked() );
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_settings->setValue( miniCash::keyReceiverHost, host );
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_settings->setValue( miniCash::keyReceiverPort, port );
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qDebug() << "-- isSender: " << _ui->_isSender->isChecked();
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qDebug() << "-- isReceiver: " << _ui->_isReceiver->isChecked();
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qDebug() << "-- host: " << host;
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qDebug() << "-- port: " << port;
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return QDialog::accept();
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}
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