view ui/proxysettingsdlg.cpp @ 1332:8362e30f7b55

(issue139) Check that pid is not running if the lock can be aquired If the lock on the lockfile can be aquired it might still be possible that another process is running. So we read the pid from the lockfile and check if another process with the same installation prefix as us is running.
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 15 Oct 2014 14:19:46 +0200
parents 8a1071fee883
children
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/* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
 * Software engineering by Intevation GmbH
 *
 * This file is Free Software under the GNU GPL (v>=2)
 * and comes with ABSOLUTELY NO WARRANTY!
 * See LICENSE.txt for details.
 */

#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QLabel>
#include <QLineEdit>
#include <QSettings>
#include <QPushButton>
#include <QUrl>
#include <QDebug>
#include <QIcon>
#include <QPixmap>
#include <QCheckBox>

#include "proxysettingsdlg.h"

ProxySettingsDlg::ProxySettingsDlg(QWidget *parent) :
    QDialog (parent) {
    setWindowIcon(QIcon(":/img/preferences-network_16.png"));
    setWindowTitle(tr("Proxy server settings"));
    QVBoxLayout *mainLayout = new QVBoxLayout();
    QHBoxLayout *iconTextLayout = new QHBoxLayout();
    QHBoxLayout *labelLineLayout = new QHBoxLayout();
    QHBoxLayout *okCancelLayout = new QHBoxLayout();

    QSettings settings;

    QLabel *iconLabel = new QLabel();
    iconLabel->setPixmap(QPixmap(":/img/preferences-network_64.png"));
    iconTextLayout->addWidget(iconLabel);

    QLabel *explanation = new QLabel(tr("Please enter the proxy server to use in the field below.") +
        " " + tr("The URL can follow the scheme:") + "<br/>" + 
        tr("[&lt;username&gt;:&lt;password&gt;@]&lt;hostname&gt;[:&lt;port&gt;]") +
        "<br/></br/>");
    explanation->setTextFormat(Qt::RichText);
    explanation->setWordWrap(true);

    iconTextLayout->addWidget(explanation);
    mainLayout->addLayout(iconTextLayout);

    bool useProxy = settings.value("UseProxy", false).toBool();
    mCheckBox = new QCheckBox(tr("Use Proxy Server"));
    mCheckBox->setTristate(false);
    mCheckBox->setCheckState(useProxy ? Qt::Checked : Qt::Unchecked);

    mainLayout->addWidget(mCheckBox);

    mProxyURL = new QLineEdit(settings.value("ProxyURL").toString());
    QLabel *proxyLabel = new QLabel(tr("Proxy Server:"));
    proxyLabel->setBuddy(mProxyURL);
    mProxyURL->setReadOnly(!useProxy);
    mProxyURL->setEnabled(useProxy);

    labelLineLayout->addWidget(proxyLabel);
    labelLineLayout->addWidget(mProxyURL);

    mSaveButton = new QPushButton (tr("&Save"));
    QPushButton * cancelButton = new QPushButton (tr("&Cancel"));
    okCancelLayout->addStretch(10);
    okCancelLayout->addWidget(mSaveButton);
    okCancelLayout->addWidget(cancelButton);

    connect(cancelButton, SIGNAL(clicked()), this, SLOT(reject()));
    connect(mSaveButton, SIGNAL(clicked()), this, SLOT(save()));
    connect(mProxyURL, SIGNAL(textChanged(const QString &)),
            this, SLOT(checkCanSave(const QString&)));
    connect(mCheckBox, SIGNAL(stateChanged(int)), this, SLOT(checkCanEdit(int)));

    mainLayout->addLayout(labelLineLayout);
    mainLayout->addLayout(okCancelLayout);

    setLayout(mainLayout);
}

void ProxySettingsDlg::checkCanSave(const QString &val) {
    mSaveButton->setEnabled(mCheckBox->checkState() == Qt::Unchecked ||
        QUrl(val).isValid());
}

void ProxySettingsDlg::checkCanEdit(int state) {
    mProxyURL->setReadOnly(state != Qt::Checked);
    mProxyURL->setEnabled(state == Qt::Checked);
}

void ProxySettingsDlg::save() {
    QSettings settings;
    settings.setValue("ProxyURL", mProxyURL->text());
    settings.setValue("UseProxy", mCheckBox->checkState() == Qt::Checked);
    settings.sync();
    accept();
}

http://wald.intevation.org/projects/trustbridge/