cfgwadseekergeneral.cpp

//------------------------------------------------------------------------------
// cfgwadseekergeneral.cpp
//------------------------------------------------------------------------------
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301  USA
//
//------------------------------------------------------------------------------
// Copyright (C) 2010 "Zalewa" <zalewapl@gmail.com>
//------------------------------------------------------------------------------
#include "cfgwadseekergeneral.h"
#include "ui_cfgwadseekergeneral.h"

#include "configuration/doomseekerconfig.h"
#include "pathfinder/filesearchpath.h"
#include <QCompleter>
#include <QDebug>
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
#include <QFileSystemModel>
#else
#include <QDirModel>
#endif
#include <QMessageBox>

DClass<CFGWadseekerGeneral> : public Ui::CFGWadseekerGeneral
{
public:
        bool completerActive;

        QString targetDirectory() const
        {
                return cbTargetDirectory->currentText().trimmed();
        }
};

DPointered(CFGWadseekerGeneral)

CFGWadseekerGeneral::CFGWadseekerGeneral(QWidget *parent)
        : ConfigPage(parent)
{
        d->setupUi(this);
        d->completerActive = false;

        // Settings defined in this widget are ATM unused.
        d->lblDirectoryWarning->setPixmap(QPixmap(":/icons/exclamation_16.png"));
        d->lblDirectoryWarning->hide();
        d->lblDirectoryWarning->setWordWrap(true);

        this->connect(d->cbTargetDirectory, SIGNAL(editTextChanged(QString)),
                SIGNAL(validationRequested()));
}

CFGWadseekerGeneral::~CFGWadseekerGeneral()
{
}

void CFGWadseekerGeneral::activateCompleter()
{
        // Lazy activation of completer prevents floppy drive clicking
        // on QComboBox::addItem() if you're on Windows and if you
        // actually have a floppy drive.
        //
        // The floppy drive will still click *one time* when user tries to type
        // anything, but at least it won't click on readSettings() anymore
        // (so, essentially, when user opens config box).
        if (!d->completerActive)
        {
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
                // NOTE: Although QFileSystemModel is available since Qt 4, there were
                // some issues with it and QCompleter until at least Qt 5.12 (i.e.
                // QTBUG-38014). We'll conservatively use QFileSystemModel on Qt 6 only.
                auto completer = new QCompleter(this);
                auto model = new QFileSystemModel(completer);
                model->setRootPath(d->targetDirectory());
                completer->setModel(model);
                d->cbTargetDirectory->setCompleter(completer);
#else
                d->cbTargetDirectory->setCompleter(new QCompleter(new QDirModel()));
#endif
                d->completerActive = true;
        }
}

void CFGWadseekerGeneral::fillTargetDirectoryComboBox()
{
        d->cbTargetDirectory->clear();
        d->cbTargetDirectory->addItems(gConfig.doomseeker.wadPathsOnly());
}

void CFGWadseekerGeneral::readSettings()
{
        fillTargetDirectoryComboBox();

        d->cbTargetDirectory->setEditText(gConfig.wadseeker.targetDirectory);
        d->spinMaxConcurrentSiteSeeks->setValue(gConfig.wadseeker.maxConcurrentSiteDownloads);
        d->spinMaxConcurrentWadDownloads->setValue(gConfig.wadseeker.maxConcurrentWadDownloads);
}

void CFGWadseekerGeneral::saveSettings()
{
        gConfig.wadseeker.targetDirectory = d->targetDirectory();
        gConfig.wadseeker.maxConcurrentSiteDownloads = d->spinMaxConcurrentSiteSeeks->value();
        gConfig.wadseeker.maxConcurrentWadDownloads = d->spinMaxConcurrentWadDownloads->value();
}

void CFGWadseekerGeneral::showEvent(QShowEvent *event)
{
        activateCompleter();
        ConfigPage::showEvent(event);
}

ConfigPage::Validation CFGWadseekerGeneral::validate()
{
        QString error;

        QFileInfo targetDirectory(d->targetDirectory());
        if (error.isEmpty() && d->targetDirectory().isEmpty())
                error = tr("No path specified.");

        if (error.isEmpty() && !targetDirectory.exists())
                error = tr("This path doesn't exist.");

        if (error.isEmpty() && !targetDirectory.isDir())
                error = tr("This is not a directory.");

        if (error.isEmpty() && !targetDirectory.isWritable())
                error = tr("This directory cannot be written to.");

        d->lblDirectoryWarning->setVisible(!error.isEmpty());
        d->lblDirectoryWarning->setText(error);
        return error.isEmpty() ? VALIDATION_OK : VALIDATION_ERROR;
}