From d16d1b72d1b5bd7e71c0f03358f13711bccf3dc1 Mon Sep 17 00:00:00 2001 From: Jonas Schnelli Date: Mon, 16 Nov 2015 10:43:36 +0100 Subject: [PATCH] [Qt] refactor and optimize proxy settings behavior --- src/qt/optionsdialog.cpp | 70 +++++++++++++---------------------- src/qt/optionsdialog.h | 23 +++++++----- src/qt/qvalidatedlineedit.cpp | 16 ++++++++ src/qt/qvalidatedlineedit.h | 4 ++ 4 files changed, 60 insertions(+), 53 deletions(-) diff --git a/src/qt/optionsdialog.cpp b/src/qt/optionsdialog.cpp index d0191fa6d8..b94358451f 100644 --- a/src/qt/optionsdialog.cpp +++ b/src/qt/optionsdialog.cpp @@ -34,8 +34,7 @@ OptionsDialog::OptionsDialog(QWidget *parent, bool enableWallet) : QDialog(parent), ui(new Ui::OptionsDialog), model(0), - mapper(0), - fProxyIpsValid(true) + mapper(0) { ui->setupUi(this); @@ -64,9 +63,6 @@ OptionsDialog::OptionsDialog(QWidget *parent, bool enableWallet) : connect(ui->connectSocksTor, SIGNAL(toggled(bool)), ui->proxyIpTor, SLOT(setEnabled(bool))); connect(ui->connectSocksTor, SIGNAL(toggled(bool)), ui->proxyPortTor, SLOT(setEnabled(bool))); - ui->proxyIp->installEventFilter(this); - ui->proxyIpTor->installEventFilter(this); - /* Window elements init */ #ifdef Q_OS_MAC /* remove Window tab on Mac */ @@ -119,7 +115,10 @@ OptionsDialog::OptionsDialog(QWidget *parent, bool enableWallet) : mapper->setOrientation(Qt::Vertical); /* setup/change UI elements when proxy IPs are invalid/valid */ - connect(this, SIGNAL(proxyIpChecks(QValidatedLineEdit *, int)), this, SLOT(doProxyIpChecks(QValidatedLineEdit *, int))); + ui->proxyIp->setCheckValidator(new ProxyAddressValidator(parent)); + ui->proxyIpTor->setCheckValidator(new ProxyAddressValidator(parent)); + connect(ui->proxyIp, SIGNAL(validationDidChange(QValidatedLineEdit *)), this, SLOT(updateProxyValidationState(QValidatedLineEdit *))); + connect(ui->proxyIpTor, SIGNAL(validationDidChange(QValidatedLineEdit *)), this, SLOT(updateProxyValidationState(QValidatedLineEdit *))); } OptionsDialog::~OptionsDialog() @@ -200,18 +199,6 @@ void OptionsDialog::setMapper() mapper->addMapping(ui->thirdPartyTxUrls, OptionsModel::ThirdPartyTxUrls); } -void OptionsDialog::enableOkButton() -{ - /* prevent enabling of the OK button when data modified, if there is an invalid proxy address present */ - if(fProxyIpsValid) - setOkButtonState(true); -} - -void OptionsDialog::disableOkButton() -{ - setOkButtonState(false); -} - void OptionsDialog::setOkButtonState(bool fState) { ui->okButton->setEnabled(fState); @@ -269,24 +256,19 @@ void OptionsDialog::clearStatusLabel() ui->statusLabel->clear(); } -void OptionsDialog::doProxyIpChecks(QValidatedLineEdit *pUiProxyIp, int nProxyPort) +void OptionsDialog::updateProxyValidationState(QValidatedLineEdit *pUiProxyIp) { - Q_UNUSED(nProxyPort); - - CService addrProxy; - - /* Check for a valid IPv4 / IPv6 address */ - if (!(fProxyIpsValid = LookupNumeric(pUiProxyIp->text().toStdString().c_str(), addrProxy))) + QValidatedLineEdit *otherProxyWidget = (pUiProxyIp == ui->proxyIpTor) ? ui->proxyIp : ui->proxyIpTor; + if (pUiProxyIp->isValid()) { - disableOkButton(); - pUiProxyIp->setValid(false); - ui->statusLabel->setStyleSheet("QLabel { color: red; }"); - ui->statusLabel->setText(tr("The supplied proxy address is invalid.")); + setOkButtonState(otherProxyWidget->isValid()); //only enable ok button if both proxys are valid + ui->statusLabel->clear(); } else { - enableOkButton(); - ui->statusLabel->clear(); + setOkButtonState(false); + ui->statusLabel->setStyleSheet("QLabel { color: red; }"); + ui->statusLabel->setText(tr("The supplied proxy address is invalid.")); } } @@ -312,18 +294,18 @@ void OptionsDialog::updateDefaultProxyNets() (strProxy == strDefaultProxyGUI.toStdString()) ? ui->proxyReachTor->setChecked(true) : ui->proxyReachTor->setChecked(false); } -bool OptionsDialog::eventFilter(QObject *object, QEvent *event) +ProxyAddressValidator::ProxyAddressValidator(QObject *parent) : +QValidator(parent) { - if(event->type() == QEvent::FocusOut) - { - if(object == ui->proxyIp) - { - Q_EMIT proxyIpChecks(ui->proxyIp, ui->proxyPort->text().toInt()); - } - else if(object == ui->proxyIpTor) - { - Q_EMIT proxyIpChecks(ui->proxyIpTor, ui->proxyPortTor->text().toInt()); - } - } - return QDialog::eventFilter(object, event); +} + +QValidator::State ProxyAddressValidator::validate(QString &input, int &pos) const +{ + Q_UNUSED(pos); + // Validate the proxy + proxyType addrProxy = proxyType(CService(input.toStdString(), 9050), true); + if (addrProxy.IsValid()) + return QValidator::Acceptable; + + return QValidator::Invalid; } diff --git a/src/qt/optionsdialog.h b/src/qt/optionsdialog.h index 348489c599..7d6ca60c80 100644 --- a/src/qt/optionsdialog.h +++ b/src/qt/optionsdialog.h @@ -6,6 +6,7 @@ #define BITCOIN_QT_OPTIONSDIALOG_H #include +#include class OptionsModel; class QValidatedLineEdit; @@ -18,6 +19,18 @@ namespace Ui { class OptionsDialog; } +/** Proxy address widget validator, checks for a valid proxy address. + */ +class ProxyAddressValidator : public QValidator +{ + Q_OBJECT + +public: + explicit ProxyAddressValidator(QObject *parent); + + State validate(QString &input, int &pos) const; +}; + /** Preferences dialog. */ class OptionsDialog : public QDialog { @@ -30,14 +43,7 @@ public: void setModel(OptionsModel *model); void setMapper(); -protected: - bool eventFilter(QObject *object, QEvent *event); - private Q_SLOTS: - /* enable OK button */ - void enableOkButton(); - /* disable OK button */ - void disableOkButton(); /* set OK button state (enabled / disabled) */ void setOkButtonState(bool fState); void on_resetButton_clicked(); @@ -46,7 +52,7 @@ private Q_SLOTS: void showRestartWarning(bool fPersistent = false); void clearStatusLabel(); - void doProxyIpChecks(QValidatedLineEdit *pUiProxyIp, int nProxyPort); + void updateProxyValidationState(QValidatedLineEdit *pUiProxyIp); /* query the networks, for which the default proxy is used */ void updateDefaultProxyNets(); @@ -57,7 +63,6 @@ private: Ui::OptionsDialog *ui; OptionsModel *model; QDataWidgetMapper *mapper; - bool fProxyIpsValid; }; #endif // BITCOIN_QT_OPTIONSDIALOG_H diff --git a/src/qt/qvalidatedlineedit.cpp b/src/qt/qvalidatedlineedit.cpp index 346369392c..5658a0bdcf 100644 --- a/src/qt/qvalidatedlineedit.cpp +++ b/src/qt/qvalidatedlineedit.cpp @@ -99,9 +99,25 @@ void QValidatedLineEdit::checkValidity() } else setValid(false); + + Q_EMIT validationDidChange(this); } void QValidatedLineEdit::setCheckValidator(const QValidator *v) { checkValidator = v; } + +bool QValidatedLineEdit::isValid() +{ + // use checkValidator in case the QValidatedLineEdit is disabled + if (checkValidator) + { + QString address = text(); + int pos = 0; + if (checkValidator->validate(address, pos) == QValidator::Acceptable) + return true; + } + + return valid; +} diff --git a/src/qt/qvalidatedlineedit.h b/src/qt/qvalidatedlineedit.h index 8665acda5e..8cb6a425fa 100644 --- a/src/qt/qvalidatedlineedit.h +++ b/src/qt/qvalidatedlineedit.h @@ -18,6 +18,7 @@ public: explicit QValidatedLineEdit(QWidget *parent); void clear(); void setCheckValidator(const QValidator *v); + bool isValid(); protected: void focusInEvent(QFocusEvent *evt); @@ -31,6 +32,9 @@ public Q_SLOTS: void setValid(bool valid); void setEnabled(bool enabled); +Q_SIGNALS: + void validationDidChange(QValidatedLineEdit *validatedLineEdit); + private Q_SLOTS: void markValid(); void checkValidity();