transmission/qt/OptionsDialog.cc

331 lines
9.2 KiB
C++

// This file Copyright © 2009-2022 Mnemosyne LLC.
// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
// or any future license endorsed by Mnemosyne LLC.
// License text can be found in the licenses/ folder.
#include <algorithm>
#include <utility>
#include <QFileInfo>
#include <QPushButton>
#include <libtransmission/transmission.h>
#include <libtransmission/variant.h>
#include <libtransmission/torrent-metainfo.h>
#include "AddData.h"
#include "FileTreeModel.h"
#include "FreeSpaceLabel.h"
#include "OptionsDialog.h"
#include "Prefs.h"
#include "Session.h"
#include "Torrent.h"
#include "Utils.h"
#include "VariantHelpers.h"
using ::trqt::variant_helpers::dictAdd;
using ::trqt::variant_helpers::listAdd;
/***
****
***/
OptionsDialog::OptionsDialog(Session& session, Prefs const& prefs, AddData addme, QWidget* parent)
: BaseDialog(parent)
, add_(std::move(addme))
, session_(session)
, is_local_(session_.isLocal())
{
ui_.setupUi(this);
setWindowTitle(add_.type == AddData::FILENAME ? tr("Open Torrent from File") : tr("Open Torrent from URL or Magnet Link"));
edit_timer_.setInterval(2000);
edit_timer_.setSingleShot(true);
connect(&edit_timer_, &QTimer::timeout, this, &OptionsDialog::onDestinationChanged);
if (add_.type == AddData::FILENAME)
{
ui_.sourceStack->setCurrentWidget(ui_.sourceButton);
ui_.sourceButton->setMode(PathButton::FileMode);
ui_.sourceButton->setTitle(tr("Open Torrent"));
ui_.sourceButton->setNameFilter(tr("Torrent Files (*.torrent);;All Files (*.*)"));
ui_.sourceButton->setPath(add_.filename);
connect(ui_.sourceButton, &PathButton::pathChanged, this, &OptionsDialog::onSourceChanged);
}
else
{
ui_.sourceStack->setCurrentWidget(ui_.sourceEdit);
ui_.sourceEdit->setText(add_.readableName());
ui_.sourceEdit->selectAll();
connect(ui_.sourceEdit, &QLineEdit::editingFinished, this, &OptionsDialog::onSourceChanged);
}
ui_.sourceStack->setFixedHeight(ui_.sourceStack->currentWidget()->sizeHint().height());
ui_.sourceLabel->setBuddy(ui_.sourceStack->currentWidget());
QFontMetrics const font_metrics(font());
int const width = font_metrics.size(0, QStringLiteral("This is a pretty long torrent filename indeed.torrent")).width();
ui_.sourceStack->setMinimumWidth(width);
QString const download_dir(Utils::removeTrailingDirSeparator(prefs.getString(Prefs::DOWNLOAD_DIR)));
ui_.freeSpaceLabel->setSession(session_);
ui_.freeSpaceLabel->setPath(download_dir);
ui_.destinationButton->setMode(PathButton::DirectoryMode);
ui_.destinationButton->setTitle(tr("Select Destination"));
ui_.destinationButton->setPath(download_dir);
ui_.destinationEdit->setText(download_dir);
if (is_local_)
{
local_destination_.setPath(download_dir);
}
connect(ui_.destinationButton, &PathButton::pathChanged, this, &OptionsDialog::onDestinationChanged);
connect(ui_.destinationEdit, &QLineEdit::textEdited, &edit_timer_, qOverload<>(&QTimer::start));
connect(ui_.destinationEdit, &QLineEdit::editingFinished, this, &OptionsDialog::onDestinationChanged);
ui_.filesView->setEditable(false);
ui_.priorityCombo->addItem(tr("High"), TR_PRI_HIGH);
ui_.priorityCombo->addItem(tr("Normal"), TR_PRI_NORMAL);
ui_.priorityCombo->addItem(tr("Low"), TR_PRI_LOW);
ui_.priorityCombo->setCurrentIndex(1); // Normal
ui_.startCheck->setChecked(prefs.getBool(Prefs::START));
ui_.trashCheck->setChecked(prefs.getBool(Prefs::TRASH_ORIGINAL));
connect(ui_.dialogButtons, &QDialogButtonBox::rejected, this, &QObject::deleteLater);
connect(ui_.dialogButtons, &QDialogButtonBox::accepted, this, &OptionsDialog::onAccepted);
connect(ui_.filesView, &FileTreeView::priorityChanged, this, &OptionsDialog::onPriorityChanged);
connect(ui_.filesView, &FileTreeView::wantedChanged, this, &OptionsDialog::onWantedChanged);
connect(&session_, &Session::sessionUpdated, this, &OptionsDialog::onSessionUpdated);
updateWidgetsLocality();
reload();
}
OptionsDialog::~OptionsDialog()
{
clearInfo();
}
/***
****
***/
void OptionsDialog::clearInfo()
{
metainfo_.reset();
files_.clear();
}
void OptionsDialog::reload()
{
clearInfo();
auto metainfo = tr_torrent_metainfo{};
auto ok = bool{};
switch (add_.type)
{
case AddData::MAGNET:
ok = metainfo.parseMagnet(add_.magnet.toStdString());
break;
case AddData::FILENAME:
ok = metainfo.parseTorrentFile(add_.filename.toStdString());
break;
case AddData::METAINFO:
ok = metainfo.parseBenc(add_.metainfo.toStdString());
break;
default:
break;
}
metainfo_.reset();
ui_.filesView->clear();
files_.clear();
priorities_.clear();
wanted_.clear();
if (ok)
{
metainfo_ = metainfo;
}
bool const have_files_to_show = metainfo_ && !std::empty(*metainfo_);
ui_.filesView->setVisible(have_files_to_show);
layout()->setSizeConstraint(have_files_to_show ? QLayout::SetDefaultConstraint : QLayout::SetFixedSize);
if (metainfo_)
{
auto const n_files = metainfo_->fileCount();
priorities_.assign(n_files, TR_PRI_NORMAL);
wanted_.assign(n_files, true);
for (tr_file_index_t i = 0; i < n_files; ++i)
{
auto f = TorrentFile{};
f.index = i;
f.priority = priorities_[i];
f.wanted = wanted_[i];
f.size = metainfo_->fileSize(i);
f.have = 0;
f.filename = QString::fromStdString(metainfo_->fileSubpath(i));
files_.push_back(f);
}
}
ui_.filesView->update(files_);
ui_.filesView->hideColumn(FileTreeModel::COL_PROGRESS);
}
void OptionsDialog::updateWidgetsLocality()
{
ui_.destinationStack->setCurrentWidget(is_local_ ? static_cast<QWidget*>(ui_.destinationButton) : ui_.destinationEdit);
ui_.destinationStack->setFixedHeight(ui_.destinationStack->currentWidget()->sizeHint().height());
ui_.destinationLabel->setBuddy(ui_.destinationStack->currentWidget());
}
void OptionsDialog::onSessionUpdated()
{
bool const is_local = session_.isLocal();
if (is_local_ != is_local)
{
is_local_ = is_local;
updateWidgetsLocality();
}
}
void OptionsDialog::onPriorityChanged(QSet<int> const& file_indices, int priority)
{
for (int const i : file_indices)
{
priorities_[i] = priority;
}
}
void OptionsDialog::onWantedChanged(QSet<int> const& file_indices, bool is_wanted)
{
for (int const i : file_indices)
{
wanted_[i] = is_wanted;
}
}
void OptionsDialog::onAccepted()
{
// rpc spec section 3.4 "adding a torrent"
tr_variant args;
tr_variantInitDict(&args, 10);
QString download_dir;
// "download-dir"
if (ui_.destinationStack->currentWidget() == ui_.destinationButton)
{
download_dir = local_destination_.absolutePath();
}
else
{
download_dir = ui_.destinationEdit->text();
}
dictAdd(&args, TR_KEY_download_dir, download_dir);
// paused
dictAdd(&args, TR_KEY_paused, !ui_.startCheck->isChecked());
// priority
int const index = ui_.priorityCombo->currentIndex();
int const priority = ui_.priorityCombo->itemData(index).toInt();
dictAdd(&args, TR_KEY_bandwidthPriority, priority);
// files-unwanted
auto count = std::count(wanted_.begin(), wanted_.end(), false);
if (count > 0)
{
tr_variant* l = tr_variantDictAddList(&args, TR_KEY_files_unwanted, count);
for (int i = 0, n = wanted_.size(); i < n; ++i)
{
if (!wanted_.at(i))
{
listAdd(l, i);
}
}
}
// priority-low
count = std::count(priorities_.begin(), priorities_.end(), TR_PRI_LOW);
if (count > 0)
{
tr_variant* l = tr_variantDictAddList(&args, TR_KEY_priority_low, count);
for (int i = 0, n = priorities_.size(); i < n; ++i)
{
if (priorities_.at(i) == TR_PRI_LOW)
{
listAdd(l, i);
}
}
}
// priority-high
count = std::count(priorities_.begin(), priorities_.end(), TR_PRI_HIGH);
if (count > 0)
{
tr_variant* l = tr_variantDictAddList(&args, TR_KEY_priority_high, count);
for (int i = 0, n = priorities_.size(); i < n; ++i)
{
if (priorities_.at(i) == TR_PRI_HIGH)
{
listAdd(l, i);
}
}
}
session_.addTorrent(add_, &args, ui_.trashCheck->isChecked());
deleteLater();
}
void OptionsDialog::onSourceChanged()
{
if (ui_.sourceStack->currentWidget() == ui_.sourceButton)
{
add_.set(ui_.sourceButton->path());
}
else if (auto const text = ui_.sourceEdit->text(); text != add_.readableName())
{
add_.set(text);
}
reload();
}
void OptionsDialog::onDestinationChanged()
{
if (ui_.destinationStack->currentWidget() == ui_.destinationButton)
{
local_destination_.setPath(ui_.destinationButton->path());
ui_.freeSpaceLabel->setPath(local_destination_.absolutePath());
}
else
{
ui_.freeSpaceLabel->setPath(ui_.destinationEdit->text());
}
}