From 6bab30a17885127962ac895fa443d22d86d7a085 Mon Sep 17 00:00:00 2001
From: Chocobo1 <Chocobo1@users.noreply.github.com>
Date: Thu, 28 Apr 2016 19:02:05 +0800
Subject: [PATCH] Revamp Torrent creator

---
 src/gui/torrentcreatordlg.cpp | 402 ++++++++++++++----------
 src/gui/torrentcreatordlg.h   |  72 +++--
 src/gui/torrentcreatordlg.ui  | 561 +++++++++++++++++-----------------
 3 files changed, 569 insertions(+), 466 deletions(-)

diff --git a/src/gui/torrentcreatordlg.cpp b/src/gui/torrentcreatordlg.cpp
index 668ee401a..4c0bf18f4 100644
--- a/src/gui/torrentcreatordlg.cpp
+++ b/src/gui/torrentcreatordlg.cpp
@@ -28,254 +28,350 @@
  * Contact : chris@qbittorrent.org
  */
 
+#include "torrentcreatordlg.h"
+
+#include <QCloseEvent>
 #include <QDebug>
 #include <QFileDialog>
 #include <QMessageBox>
+#include <QMimeData>
+#include <QUrl>
 
-#include "torrentcreatordlg.h"
-#include "base/utils/fs.h"
-#include "base/utils/misc.h"
-#include "base/preferences.h"
-#include "guiiconprovider.h"
 #include "base/bittorrent/session.h"
 #include "base/bittorrent/torrentinfo.h"
 #include "base/bittorrent/torrentcreatorthread.h"
+#include "base/settingsstorage.h"
+#include "base/utils/fs.h"
+#include "guiiconprovider.h"
 
-const uint NB_PIECES_MIN = 1200;
-const uint NB_PIECES_MAX = 2200;
+#include "ui_torrentcreatordlg.h"
 
-TorrentCreatorDlg::TorrentCreatorDlg(QWidget *parent)
-    : QDialog(parent)
-    , m_creatorThread(0)
+namespace
 {
-    setupUi(this);
-    // Icons
-    addFile_button->setIcon(GuiIconProvider::instance()->getIcon("document-new"));
-    addFolder_button->setIcon(GuiIconProvider::instance()->getIcon("folder-new"));
-    createButton->setIcon(GuiIconProvider::instance()->getIcon("document-save"));
-    cancelButton->setIcon(GuiIconProvider::instance()->getIcon("dialog-cancel"));
+#define SETTINGS_KEY(name) "TorrentCreator/" name
+    const QString KEY_DIALOG_SIZE = SETTINGS_KEY("Dimension");
 
+    const QString KEY_PIECE_SIZE = SETTINGS_KEY("PieceSize");
+    const QString KEY_PRIVATE_TORRENT = SETTINGS_KEY("PrivateTorrent");
+    const QString KEY_START_SEEDING = SETTINGS_KEY("StartSeeding");
+    const QString KEY_SETTING_IGNORE_RATIO = SETTINGS_KEY("IgnoreRatio");
+
+    const QString KEY_LAST_ADD_PATH = SETTINGS_KEY("LastAddPath");
+    const QString KEY_TRACKER_LIST = SETTINGS_KEY("TrackerList");
+    const QString KEY_WEB_SEED_LIST = SETTINGS_KEY("WebSeedList");
+    const QString KEY_COMMENTS = SETTINGS_KEY("Comments");
+    const QString KEY_LAST_SAVE_PATH = SETTINGS_KEY("LastSavePath");
+
+    SettingsStorage *settings() { return  SettingsStorage::instance(); }
+}
+
+TorrentCreatorDlg::TorrentCreatorDlg(QWidget *parent, const QString &defaultPath)
+    : QDialog(parent)
+    , m_ui(new Ui::TorrentCreatorDlg)
+    , m_creatorThread(nullptr)
+    , m_defaultPath(Utils::Fs::toNativePath(defaultPath))
+{
+    m_ui->setupUi(this);
     setAttribute(Qt::WA_DeleteOnClose);
     setModal(true);
+
     showProgressBar(false);
-    loadTrackerList();
-    // Piece sizes
-    m_pieceSizes << 16 << 32 << 64 << 128 << 256 << 512 << 1024 << 2048 << 4096 << 8192 << 16384;
+    m_ui->buttonBox->button(QDialogButtonBox::Ok)->setText(tr("Create Torrent"));
+
+    connect(m_ui->addFile_button, SIGNAL(clicked(bool)), SLOT(onAddFileButtonClicked()));
+    connect(m_ui->addFolder_button, SIGNAL(clicked(bool)), SLOT(onAddFolderButtonClicked()));
+    connect(m_ui->buttonBox, SIGNAL(accepted()), SLOT(onCreateButtonClicked()));
+
     loadSettings();
     show();
 }
 
 TorrentCreatorDlg::~TorrentCreatorDlg()
 {
-    if (m_creatorThread)
+    saveSettings();
+
+    // End torrent creation thread
+    if (m_creatorThread) {
+        if (m_creatorThread->isRunning()) {
+            m_creatorThread->abortCreation();
+            m_creatorThread->terminate();
+            // Wait for termination
+            m_creatorThread->wait();
+        }
         delete m_creatorThread;
+    }
+
+    delete m_ui;
 }
 
-void TorrentCreatorDlg::on_addFolder_button_clicked()
+void TorrentCreatorDlg::onAddFolderButtonClicked()
 {
-    Preferences* const pref = Preferences::instance();
-    QString lastPath = pref->getCreateTorLastAddPath();
-    QString dir = QFileDialog::getExistingDirectory(this, tr("Select a folder to add to the torrent"), lastPath, QFileDialog::ShowDirsOnly);
-    if (!dir.isEmpty()) {
-        pref->setCreateTorLastAddPath(dir);
-        textInputPath->setText(Utils::Fs::toNativePath(dir));
-        // Update piece size
-        if (checkAutoPieceSize->isChecked())
-            updateOptimalPieceSize();
-    }
+    QString oldPath = m_ui->textInputPath->text();
+    QString path = QFileDialog::getExistingDirectory(this, tr("Select folder"), oldPath);
+    if (!path.isEmpty())
+        m_ui->textInputPath->setText(Utils::Fs::toNativePath(path));
 }
 
-void TorrentCreatorDlg::on_addFile_button_clicked()
+void TorrentCreatorDlg::onAddFileButtonClicked()
 {
-    Preferences* const pref = Preferences::instance();
-    QString lastPath = pref->getCreateTorLastAddPath();
-    QString file = QFileDialog::getOpenFileName(this, tr("Select a file to add to the torrent"), lastPath);
-    if (!file.isEmpty()) {
-        pref->setCreateTorLastAddPath(Utils::Fs::branchPath(file));
-        textInputPath->setText(Utils::Fs::toNativePath(file));
-        // Update piece size
-        if (checkAutoPieceSize->isChecked())
-            updateOptimalPieceSize();
-    }
+    QString oldPath = m_ui->textInputPath->text();
+    QString path = QFileDialog::getOpenFileName(this, tr("Select file"), oldPath);
+    if (!path.isEmpty())
+        m_ui->textInputPath->setText(Utils::Fs::toNativePath(path));
 }
 
 int TorrentCreatorDlg::getPieceSize() const
 {
-    return m_pieceSizes.at(comboPieceSize->currentIndex()) * 1024;
+    const int pieceSizes[] = {0, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384};  // base unit in KiB
+    return pieceSizes[m_ui->comboPieceSize->currentIndex()] * 1024;
+}
+
+void TorrentCreatorDlg::dropEvent(QDropEvent *event)
+{
+    event->acceptProposedAction();
+
+    if (event->mimeData()->hasUrls()) {
+        // only take the first one
+        QUrl firstItem = event->mimeData()->urls().first();
+        QString path = (firstItem.scheme().compare("file", Qt::CaseInsensitive) == 0)
+                       ? firstItem.toLocalFile() : firstItem.toString();
+        m_ui->textInputPath->setText(Utils::Fs::toNativePath(path));
+    }
+}
+
+void TorrentCreatorDlg::dragEnterEvent(QDragEnterEvent *event)
+{
+    if (event->mimeData()->hasFormat("text/plain") || event->mimeData()->hasFormat("text/uri-list"))
+        event->acceptProposedAction();
 }
 
 // Main function that create a .torrent file
-void TorrentCreatorDlg::on_createButton_clicked()
+void TorrentCreatorDlg::onCreateButtonClicked()
 {
-    QString input = Utils::Fs::fromNativePath(textInputPath->text()).trimmed();
-    if (input.endsWith("/"))
-        input.chop(1);
-    if (input.isEmpty()) {
-        QMessageBox::critical(0, tr("No input path set"), tr("Please type an input path first"));
+    QString input = Utils::Fs::fromNativePath(m_ui->textInputPath->text()).trimmed();
+
+    // test if readable
+    QFileInfo fi(input);
+    if (!fi.isReadable()) {
+        QMessageBox::critical(this, tr("Torrent creator failed"), tr("Reason: Path to file/folder is not readable."));
         return;
     }
-    QStringList trackers = trackers_list->toPlainText().split("\n");
-    if (!trackers_list->toPlainText().trimmed().isEmpty())
-        saveTrackerList();
+    input = fi.canonicalFilePath();
 
-    Preferences* const pref = Preferences::instance();
-    QString lastPath = pref->getCreateTorLastSavePath();
-
-    QString destination = QFileDialog::getSaveFileName(this, tr("Select destination torrent file"), lastPath, tr("Torrent Files (*.torrent)"));
+    // get save path
+    QString lastPath = getLastSavePath();
+    QString destination = QFileDialog::getSaveFileName(this, tr("Select where to save the new torrent"), lastPath, tr("Torrent Files (*.torrent)"));
     if (destination.isEmpty())
         return;
+    if (!destination.endsWith(".torrent", Qt::CaseInsensitive))
+        destination += ".torrent";
+    setLastSavePath(Utils::Fs::branchPath(destination));
 
-    pref->setCreateTorLastSavePath(Utils::Fs::branchPath(destination));
-    if (!destination.toUpper().endsWith(".TORRENT"))
-        destination += QString::fromUtf8(".torrent");
-
-    // Disable dialog
+    // Disable dialog & set busy cursor
     setInteractionEnabled(false);
     showProgressBar(true);
-    // Set busy cursor
     setCursor(QCursor(Qt::WaitCursor));
-    // Actually create the torrent
-    QStringList urlSeeds = URLSeeds_list->toPlainText().split("\n");
-    QString comment = txt_comment->toPlainText();
+
+    QStringList trackers = m_ui->trackers_list->toPlainText().split("\n");
+    QStringList urlSeeds = m_ui->URLSeeds_list->toPlainText().split("\n");
+    QString comment = m_ui->txt_comment->toPlainText();
+
     // Create the creator thread
     m_creatorThread = new BitTorrent::TorrentCreatorThread(this);
     connect(m_creatorThread, SIGNAL(creationSuccess(QString, QString)), this, SLOT(handleCreationSuccess(QString, QString)));
     connect(m_creatorThread, SIGNAL(creationFailure(QString)), this, SLOT(handleCreationFailure(QString)));
     connect(m_creatorThread, SIGNAL(updateProgress(int)), this, SLOT(updateProgressBar(int)));
-    m_creatorThread->create(input, destination, trackers, urlSeeds, comment, check_private->isChecked(), getPieceSize());
+    m_creatorThread->create(input, destination, trackers, urlSeeds, comment, m_ui->check_private->isChecked(), getPieceSize());
 }
 
-void TorrentCreatorDlg::handleCreationFailure(QString msg)
+void TorrentCreatorDlg::handleCreationFailure(const QString &msg)
 {
     // Remove busy cursor
     setCursor(QCursor(Qt::ArrowCursor));
-    QMessageBox::information(0, tr("Torrent creation"), tr("Torrent creation was unsuccessful, reason: %1").arg(msg));
+    QMessageBox::information(this, tr("Torrent creator failed"), tr("Reason: %1").arg(msg));
     setInteractionEnabled(true);
     showProgressBar(false);
 }
 
-void TorrentCreatorDlg::handleCreationSuccess(QString path, QString branch_path)
+void TorrentCreatorDlg::handleCreationSuccess(const QString &path, const QString &branchPath)
 {
     // Remove busy cursor
     setCursor(QCursor(Qt::ArrowCursor));
-    if (checkStartSeeding->isChecked()) {
+    if (m_ui->checkStartSeeding->isChecked()) {
         // Create save path temp data
         BitTorrent::TorrentInfo t = BitTorrent::TorrentInfo::loadFromFile(Utils::Fs::toNativePath(path));
         if (!t.isValid()) {
-            QMessageBox::critical(0, tr("Torrent creation"), tr("Created torrent file is invalid. It won't be added to download list."));
+            QMessageBox::critical(this, tr("Torrent creator failed"), tr("Reason: Created torrent is invalid. It won't be added to download list."));
             return;
         }
 
         BitTorrent::AddTorrentParams params;
-        params.savePath = branch_path;
+        params.savePath = branchPath;
         params.skipChecking = true;
-        params.ignoreShareLimits = checkIgnoreShareLimits->isChecked();
+        params.ignoreShareLimits = m_ui->checkIgnoreShareLimits->isChecked();
 
         BitTorrent::Session::instance()->addTorrent(t, params);
     }
-    QMessageBox::information(0, tr("Torrent creation"), tr("Torrent was created successfully: %1", "%1 is the path of the torrent").arg(Utils::Fs::toNativePath(path)));
-    close();
-}
+    QMessageBox::information(this, tr("Torrent creator"), QString("%1\n%2").arg(tr("Create torrent success:")).arg(Utils::Fs::toNativePath(path)));
 
-void TorrentCreatorDlg::on_cancelButton_clicked()
-{
-    // End torrent creation thread
-    if (m_creatorThread && m_creatorThread->isRunning()) {
-        m_creatorThread->abortCreation();
-        m_creatorThread->terminate();
-        // Wait for termination
-        m_creatorThread->wait();
-    }
-    // Close the dialog
     close();
 }
 
 void TorrentCreatorDlg::updateProgressBar(int progress)
 {
-    progressBar->setValue(progress);
+    m_ui->progressBar->setValue(progress);
 }
 
 void TorrentCreatorDlg::setInteractionEnabled(bool enabled)
 {
-    textInputPath->setEnabled(enabled);
-    addFile_button->setEnabled(enabled);
-    addFolder_button->setEnabled(enabled);
-    trackers_list->setEnabled(enabled);
-    URLSeeds_list->setEnabled(enabled);
-    txt_comment->setEnabled(enabled);
-    comboPieceSize->setEnabled(enabled);
-    checkAutoPieceSize->setEnabled(enabled);
-    check_private->setEnabled(enabled);
-    checkStartSeeding->setEnabled(enabled);
-    createButton->setEnabled(enabled);
-    checkIgnoreShareLimits->setEnabled(enabled && checkStartSeeding->isChecked());
+    m_ui->textInputPath->setEnabled(enabled);
+    m_ui->addFile_button->setEnabled(enabled);
+    m_ui->addFolder_button->setEnabled(enabled);
+    m_ui->trackers_list->setEnabled(enabled);
+    m_ui->URLSeeds_list->setEnabled(enabled);
+    m_ui->txt_comment->setEnabled(enabled);
+    m_ui->comboPieceSize->setEnabled(enabled);
+    m_ui->check_private->setEnabled(enabled);
+    m_ui->checkStartSeeding->setEnabled(enabled);
+    m_ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(enabled);
+    m_ui->checkIgnoreShareLimits->setEnabled(enabled && m_ui->checkStartSeeding->isChecked());
 }
 
 void TorrentCreatorDlg::showProgressBar(bool show)
 {
-    progressLbl->setVisible(show);
-    progressBar->setVisible(show);
-}
-
-void TorrentCreatorDlg::on_checkAutoPieceSize_clicked(bool checked)
-{
-    comboPieceSize->setEnabled(!checked);
-    if (checked)
-        updateOptimalPieceSize();
-}
-
-void TorrentCreatorDlg::updateOptimalPieceSize()
-{
-    qint64 torrentSize = Utils::Fs::computePathSize(textInputPath->text());
-    qDebug("Torrent size is %lld", torrentSize);
-    if (torrentSize < 0)
-        return;
-    int i = 0;
-    qulonglong nb_pieces = 0;
-    do {
-        nb_pieces = (double)torrentSize/(m_pieceSizes.at(i) * 1024.);
-        qDebug("nb_pieces=%lld with piece_size=%s", nb_pieces, qPrintable(comboPieceSize->itemText(i)));
-        if (nb_pieces <= NB_PIECES_MIN) {
-            if (i > 1)
-                --i;
-            break;
-        }
-        else if (nb_pieces < NB_PIECES_MAX) {
-            qDebug("Good, nb_pieces=%lld < %d", nb_pieces + 1, NB_PIECES_MAX);
-            break;
-        }
-        ++i;
-    } while (i < (m_pieceSizes.size() - 1));
-    comboPieceSize->setCurrentIndex(i);
-}
-
-void TorrentCreatorDlg::saveTrackerList()
-{
-    Preferences::instance()->setCreateTorTrackers(trackers_list->toPlainText());
-}
-
-void TorrentCreatorDlg::loadTrackerList()
-{
-    trackers_list->setPlainText(Preferences::instance()->getCreateTorTrackers());
+    m_ui->progressLbl->setVisible(show);
+    m_ui->progressBar->setVisible(show);
 }
 
 void TorrentCreatorDlg::saveSettings()
 {
-    Preferences* const pref = Preferences::instance();
-    pref->setCreateTorGeometry(saveGeometry());
-    pref->setCreateTorIgnoreRatio(checkIgnoreShareLimits->isChecked());
+    setLastAddPath(m_ui->textInputPath->text().trimmed());
+
+    setSettingPieceSize(m_ui->comboPieceSize->currentIndex());
+    setSettingPrivateTorrent(m_ui->check_private->isChecked());
+    setSettingStartSeeding(m_ui->checkStartSeeding->isChecked());
+    setSettingIgnoreRatio(m_ui->checkIgnoreShareLimits->isChecked());
+
+    setTrackerList(m_ui->trackers_list->toPlainText());
+    setWebSeedList(m_ui->URLSeeds_list->toPlainText());
+    setComments(m_ui->txt_comment->toPlainText());
+
+    setDialogSize(size());
 }
 
 void TorrentCreatorDlg::loadSettings()
 {
-    const Preferences* const pref = Preferences::instance();
-    restoreGeometry(pref->getCreateTorGeometry());
-    checkIgnoreShareLimits->setChecked(pref->getCreateTorIgnoreRatio());
+    m_ui->textInputPath->setText(!m_defaultPath.isEmpty() ? m_defaultPath : getLastAddPath());
+
+    m_ui->comboPieceSize->setCurrentIndex(getSettingPieceSize());
+    m_ui->check_private->setChecked(getSettingPrivateTorrent());
+    m_ui->checkStartSeeding->setChecked(getSettingStartSeeding());
+    m_ui->checkIgnoreShareLimits->setChecked(getSettingIgnoreRatio());
+    m_ui->checkIgnoreShareLimits->setEnabled(m_ui->checkStartSeeding->isChecked());
+
+    m_ui->trackers_list->setPlainText(getTrackerList());
+    m_ui->URLSeeds_list->setPlainText(getWebSeedList());
+    m_ui->txt_comment->setPlainText(getComments());
+
+    resize(getDialogSize());
 }
 
-void TorrentCreatorDlg::closeEvent(QCloseEvent *event)
+QSize TorrentCreatorDlg::getDialogSize() const
 {
-    qDebug() << Q_FUNC_INFO;
-    saveSettings();
-    QDialog::closeEvent(event);
+    return settings()->loadValue(KEY_DIALOG_SIZE, size()).toSize();
+}
+
+void TorrentCreatorDlg::setDialogSize(const QSize &size)
+{
+    settings()->storeValue(KEY_DIALOG_SIZE, size);
+}
+
+int TorrentCreatorDlg::getSettingPieceSize() const
+{
+    return settings()->loadValue(KEY_PIECE_SIZE).toInt();
+}
+
+void TorrentCreatorDlg::setSettingPieceSize(const int size)
+{
+    settings()->storeValue(KEY_PIECE_SIZE, size);
+}
+
+bool TorrentCreatorDlg::getSettingPrivateTorrent() const
+{
+    return settings()->loadValue(KEY_PRIVATE_TORRENT).toBool();
+}
+
+void TorrentCreatorDlg::setSettingPrivateTorrent(const bool b)
+{
+    settings()->storeValue(KEY_PRIVATE_TORRENT, b);
+}
+
+bool TorrentCreatorDlg::getSettingStartSeeding() const
+{
+    return settings()->loadValue(KEY_START_SEEDING).toBool();
+}
+
+void TorrentCreatorDlg::setSettingStartSeeding(const bool b)
+{
+    settings()->storeValue(KEY_START_SEEDING, b);
+}
+
+bool TorrentCreatorDlg::getSettingIgnoreRatio() const
+{
+    return settings()->loadValue(KEY_SETTING_IGNORE_RATIO).toBool();
+}
+
+void TorrentCreatorDlg::setSettingIgnoreRatio(const bool ignore)
+{
+    settings()->storeValue(KEY_SETTING_IGNORE_RATIO, ignore);
+}
+
+QString TorrentCreatorDlg::getLastAddPath() const
+{
+    return settings()->loadValue(KEY_LAST_ADD_PATH, QDir::homePath()).toString();
+}
+
+void TorrentCreatorDlg::setLastAddPath(const QString &path)
+{
+    settings()->storeValue(KEY_LAST_ADD_PATH, path);
+}
+
+QString TorrentCreatorDlg::getTrackerList() const
+{
+    return settings()->loadValue(KEY_TRACKER_LIST).toString();
+}
+
+void TorrentCreatorDlg::setTrackerList(const QString &list)
+{
+    settings()->storeValue(KEY_TRACKER_LIST, list);
+}
+
+QString TorrentCreatorDlg::getWebSeedList() const
+{
+    return settings()->loadValue(KEY_WEB_SEED_LIST).toString();
+}
+
+void TorrentCreatorDlg::setWebSeedList(const QString &list)
+{
+    settings()->storeValue(KEY_WEB_SEED_LIST, list);
+}
+
+QString TorrentCreatorDlg::getComments() const
+{
+    return settings()->loadValue(KEY_COMMENTS).toString();
+}
+
+void TorrentCreatorDlg::setComments(const QString &str)
+{
+    settings()->storeValue(KEY_COMMENTS, str);
+}
+
+QString TorrentCreatorDlg::getLastSavePath() const
+{
+    return settings()->loadValue(KEY_LAST_SAVE_PATH, QDir::homePath()).toString();
+}
+
+void TorrentCreatorDlg::setLastSavePath(const QString &path)
+{
+    settings()->storeValue(KEY_LAST_SAVE_PATH, path);
 }
diff --git a/src/gui/torrentcreatordlg.h b/src/gui/torrentcreatordlg.h
index d681a90d9..2c9697868 100644
--- a/src/gui/torrentcreatordlg.h
+++ b/src/gui/torrentcreatordlg.h
@@ -28,52 +28,72 @@
  * Contact : chris@qbittorrent.org
  */
 
-#ifndef CREATE_TORRENT_IMP_H
-#define CREATE_TORRENT_IMP_H
+#ifndef TORRENTCREATORDLG_H
+#define TORRENTCREATORDLG_H
 
-#include "ui_torrentcreatordlg.h"
+#include <QDialog>
+
+namespace Ui
+{
+    class TorrentCreatorDlg;
+}
 
 namespace BitTorrent
 {
     class TorrentCreatorThread;
 }
 
-class TorrentCreatorDlg : public QDialog, private Ui::createTorrentDialog
+class TorrentCreatorDlg: public QDialog
 {
     Q_OBJECT
 
 public:
-    TorrentCreatorDlg(QWidget *parent = 0);
+    TorrentCreatorDlg(QWidget *parent = 0, const QString &defaultPath = QString());
     ~TorrentCreatorDlg();
-    int getPieceSize() const;
 
-public slots:
+private slots:
     void updateProgressBar(int progress);
-    void on_cancelButton_clicked();
-
-protected slots:
-    void on_createButton_clicked();
-    void on_addFile_button_clicked();
-    void on_addFolder_button_clicked();
-    void handleCreationFailure(QString msg);
-    void handleCreationSuccess(QString path, QString branch_path);
-    void setInteractionEnabled(bool enabled);
-    void showProgressBar(bool show);
-    void on_checkAutoPieceSize_clicked(bool checked);
-    void updateOptimalPieceSize();
-    void saveTrackerList();
-    void loadTrackerList();
-
-protected:
-    void closeEvent(QCloseEvent *event);
+    void onCreateButtonClicked();
+    void onAddFileButtonClicked();
+    void onAddFolderButtonClicked();
+    void handleCreationFailure(const QString &msg);
+    void handleCreationSuccess(const QString &path, const QString &branchPath);
 
 private:
+    void dropEvent(QDropEvent *event) override;
+    void dragEnterEvent(QDragEnterEvent *event) override;
+
     void saveSettings();
     void loadSettings();
+    int getPieceSize() const;
+    void showProgressBar(bool show);
+    void setInteractionEnabled(bool enabled);
 
-private:
+    // settings storage
+    QSize getDialogSize() const;
+    void setDialogSize(const QSize &size);
+    int getSettingPieceSize() const;
+    void setSettingPieceSize(const int size);
+    bool getSettingPrivateTorrent() const;
+    void setSettingPrivateTorrent(const bool b);
+    bool getSettingStartSeeding() const;
+    void setSettingStartSeeding(const bool b);
+    bool getSettingIgnoreRatio() const;
+    void setSettingIgnoreRatio(const bool ignore);
+    QString getLastAddPath() const;
+    void setLastAddPath(const QString &path);
+    QString getTrackerList() const;
+    void setTrackerList(const QString &list);
+    QString getWebSeedList() const;
+    void setWebSeedList(const QString &list);
+    QString getComments() const;
+    void setComments(const QString &str);
+    QString getLastSavePath() const;
+    void setLastSavePath(const QString &path);
+
+    Ui::TorrentCreatorDlg *m_ui;
     BitTorrent::TorrentCreatorThread *m_creatorThread;
-    QList<int> m_pieceSizes;
+    QString m_defaultPath;
 };
 
 #endif
diff --git a/src/gui/torrentcreatordlg.ui b/src/gui/torrentcreatordlg.ui
index 524fc2db8..c3aec7bad 100644
--- a/src/gui/torrentcreatordlg.ui
+++ b/src/gui/torrentcreatordlg.ui
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
- <class>createTorrentDialog</class>
- <widget class="QDialog" name="createTorrentDialog">
+ <class>TorrentCreatorDlg</class>
+ <widget class="QDialog" name="TorrentCreatorDlg">
   <property name="geometry">
    <rect>
     <x>0</x>
@@ -10,322 +10,293 @@
     <height>658</height>
    </rect>
   </property>
+  <property name="acceptDrops">
+   <bool>true</bool>
+  </property>
   <property name="windowTitle">
-   <string>Torrent Creation Tool</string>
+   <string>Torrent Creator</string>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <item>
-    <widget class="QLabel" name="createTorrent_title">
-     <property name="minimumSize">
-      <size>
-       <width>0</width>
-       <height>27</height>
-      </size>
-     </property>
-     <property name="maximumSize">
-      <size>
-       <width>16777215</width>
-       <height>27</height>
-      </size>
-     </property>
-     <property name="font">
-      <font>
-       <weight>75</weight>
-       <bold>true</bold>
-      </font>
-     </property>
-     <property name="text">
-      <string>Torrent file creation</string>
-     </property>
-     <property name="alignment">
-      <set>Qt::AlignCenter</set>
+    <widget class="QGroupBox" name="groupBox">
+     <property name="title">
+      <string>Select file/folder to share</string>
      </property>
+     <layout class="QVBoxLayout" name="verticalLayout_3">
+      <item>
+       <layout class="QHBoxLayout" name="horizontalLayout">
+        <item>
+         <widget class="QLabel" name="label">
+          <property name="text">
+           <string>Path:</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QLineEdit" name="textInputPath">
+          <property name="acceptDrops">
+           <bool>false</bool>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+      <item>
+       <layout class="QHBoxLayout" name="horizontalLayout_3">
+        <item>
+         <widget class="QLabel" name="label_2">
+          <property name="enabled">
+           <bool>false</bool>
+          </property>
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="text">
+           <string>[Drag and drop area]</string>
+          </property>
+          <property name="alignment">
+           <set>Qt::AlignCenter</set>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QPushButton" name="addFile_button">
+          <property name="text">
+           <string>Select file</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QPushButton" name="addFolder_button">
+          <property name="text">
+           <string>Select folder</string>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+     </layout>
     </widget>
    </item>
    <item>
-    <widget class="QLabel" name="lbl_input">
-     <property name="text">
-      <string>File or folder to add to the torrent:</string>
+    <widget class="QGroupBox" name="groupBox_2">
+     <property name="title">
+      <string>Settings</string>
      </property>
+     <layout class="QVBoxLayout" name="verticalLayout_2">
+      <item>
+       <layout class="QHBoxLayout" name="pieceSizeLayout">
+        <item>
+         <widget class="QLabel" name="txtPieceSize">
+          <property name="text">
+           <string>Piece size:</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QComboBox" name="comboPieceSize">
+          <property name="currentIndex">
+           <number>0</number>
+          </property>
+          <item>
+           <property name="text">
+            <string>Auto</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>16 KiB</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>32 KiB</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>64 KiB</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>128 KiB</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>256 KiB</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>512 KiB</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>1 MiB</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>2 MiB</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>4 MiB</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>8 MiB</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>16 MiB</string>
+           </property>
+          </item>
+         </widget>
+        </item>
+        <item>
+         <spacer name="spacer1">
+          <property name="orientation">
+           <enum>Qt::Horizontal</enum>
+          </property>
+          <property name="sizeHint" stdset="0">
+           <size>
+            <width>40</width>
+            <height>20</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+       </layout>
+      </item>
+      <item>
+       <widget class="QCheckBox" name="check_private">
+        <property name="text">
+         <string>Private torrent (Won't distribute on DHT network)</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QCheckBox" name="checkStartSeeding">
+        <property name="text">
+         <string>Start seeding immediately</string>
+        </property>
+        <property name="checked">
+         <bool>true</bool>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QCheckBox" name="checkIgnoreShareLimits">
+        <property name="text">
+         <string>Ignore share ratio limits for this torrent</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
     </widget>
    </item>
    <item>
-    <widget class="QLineEdit" name="textInputPath"/>
+    <widget class="QGroupBox" name="groupBox_3">
+     <property name="title">
+      <string>Fields</string>
+     </property>
+     <layout class="QGridLayout" name="gridLayout_2">
+      <item row="0" column="1">
+       <widget class="QTextEdit" name="trackers_list">
+        <property name="toolTip">
+         <string comment="A tracker tier is a group of trackers, consisting of a main tracker and its mirrors.">You can separate tracker tiers / groups with an empty line.</string>
+        </property>
+        <property name="acceptRichText">
+         <bool>false</bool>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="0">
+       <widget class="QLabel" name="urlSeeds_lbl">
+        <property name="text">
+         <string>Web seed URLs:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="1">
+       <widget class="QTextEdit" name="URLSeeds_list">
+        <property name="acceptRichText">
+         <bool>false</bool>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="1">
+       <widget class="QTextEdit" name="txt_comment">
+        <property name="acceptRichText">
+         <bool>false</bool>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="0">
+       <widget class="QLabel" name="lbl_announce_url">
+        <property name="text">
+         <string>Tracker URLs:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="0">
+       <widget class="QLabel" name="lbl_comment">
+        <property name="text">
+         <string>Comments:</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
    </item>
    <item>
-    <layout class="QHBoxLayout">
+    <layout class="QHBoxLayout" name="horizontalLayout_2">
      <item>
-      <widget class="QPushButton" name="addFile_button">
+      <widget class="QLabel" name="progressLbl">
        <property name="text">
-        <string>Add file</string>
+        <string>Progress:</string>
        </property>
       </widget>
      </item>
      <item>
-      <widget class="QPushButton" name="addFolder_button">
-       <property name="text">
-        <string>Add folder</string>
-       </property>
-      </widget>
+      <widget class="QProgressBar" name="progressBar"/>
      </item>
     </layout>
    </item>
    <item>
-    <layout class="QGridLayout" name="gridLayout">
-     <item row="0" column="0">
-      <widget class="QLabel" name="lbl_announce_url">
-       <property name="text">
-        <string>Tracker URLs:</string>
-       </property>
-       <property name="alignment">
-        <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
-       </property>
-      </widget>
-     </item>
-     <item row="1" column="0">
-      <widget class="QLabel" name="urlSeeds_lbl">
-       <property name="text">
-        <string>Web seeds urls:</string>
-       </property>
-       <property name="alignment">
-        <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
-       </property>
-      </widget>
-     </item>
-     <item row="2" column="0">
-      <widget class="QLabel" name="lbl_comment">
-       <property name="text">
-        <string>Comment:</string>
-       </property>
-       <property name="alignment">
-        <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
-       </property>
-      </widget>
-     </item>
-     <item row="2" column="1">
-      <widget class="QTextEdit" name="txt_comment">
-       <property name="sizePolicy">
-        <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
-         <horstretch>0</horstretch>
-         <verstretch>0</verstretch>
-        </sizepolicy>
-       </property>
-       <property name="acceptRichText">
-        <bool>false</bool>
-       </property>
-      </widget>
-     </item>
-     <item row="0" column="1">
-      <widget class="QTextEdit" name="trackers_list">
-       <property name="sizePolicy">
-        <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
-         <horstretch>0</horstretch>
-         <verstretch>0</verstretch>
-        </sizepolicy>
-       </property>
-       <property name="toolTip">
-        <string comment="A tracker tier is a group of trackers, consisting of a main tracker and its mirrors.">You can separate tracker tiers / groups with an empty line.</string>
-       </property>
-       <property name="acceptRichText">
-        <bool>false</bool>
-       </property>
-      </widget>
-     </item>
-     <item row="1" column="1">
-      <widget class="QTextEdit" name="URLSeeds_list">
-       <property name="acceptRichText">
-        <bool>false</bool>
-       </property>
-      </widget>
-     </item>
-    </layout>
-   </item>
-   <item>
-    <layout class="QHBoxLayout">
-     <item>
-      <widget class="QLabel" name="txtPieceSize">
-       <property name="text">
-        <string>Piece size:</string>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <widget class="QComboBox" name="comboPieceSize">
-       <property name="enabled">
-        <bool>false</bool>
-       </property>
-       <property name="editable">
-        <bool>false</bool>
-       </property>
-       <property name="currentIndex">
-        <number>4</number>
-       </property>
-       <item>
-        <property name="text">
-         <string>16 KiB</string>
-        </property>
-       </item>
-       <item>
-        <property name="text">
-         <string>32 KiB</string>
-        </property>
-       </item>
-       <item>
-        <property name="text">
-         <string>64 KiB</string>
-        </property>
-       </item>
-       <item>
-        <property name="text">
-         <string>128 KiB</string>
-        </property>
-       </item>
-       <item>
-        <property name="text">
-         <string>256 KiB</string>
-        </property>
-       </item>
-       <item>
-        <property name="text">
-         <string>512 KiB</string>
-        </property>
-       </item>
-       <item>
-        <property name="text">
-         <string>1 MiB</string>
-        </property>
-       </item>
-       <item>
-        <property name="text">
-         <string>2 MiB</string>
-        </property>
-       </item>
-       <item>
-        <property name="text">
-         <string>4 MiB</string>
-        </property>
-       </item>
-       <item>
-        <property name="text">
-         <string>8 MiB</string>
-        </property>
-       </item>
-       <item>
-        <property name="text">
-         <string>16 MiB</string>
-        </property>
-       </item>
-      </widget>
-     </item>
-     <item>
-      <widget class="QCheckBox" name="checkAutoPieceSize">
-       <property name="text">
-        <string>Auto</string>
-       </property>
-       <property name="checked">
-        <bool>true</bool>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <spacer>
-       <property name="orientation">
-        <enum>Qt::Horizontal</enum>
-       </property>
-       <property name="sizeHint" stdset="0">
-        <size>
-         <width>40</width>
-         <height>20</height>
-        </size>
-       </property>
-      </spacer>
-     </item>
-    </layout>
-   </item>
-   <item>
-    <widget class="QCheckBox" name="check_private">
-     <property name="text">
-      <string>Private (won't be distributed on DHT network if enabled)</string>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
      </property>
-    </widget>
-   </item>
-   <item>
-    <widget class="QCheckBox" name="checkStartSeeding">
-     <property name="text">
-      <string>Start seeding after creation</string>
-     </property>
-     <property name="checked">
+     <property name="centerButtons">
       <bool>true</bool>
      </property>
     </widget>
    </item>
-   <item>
-    <widget class="QCheckBox" name="checkIgnoreShareLimits">
-     <property name="text">
-      <string>Ignore share ratio limits for this torrent</string>
-     </property>
-    </widget>
-   </item>
-   <item>
-    <widget class="QLabel" name="progressLbl">
-     <property name="text">
-      <string>Progress:</string>
-     </property>
-    </widget>
-   </item>
-   <item>
-    <widget class="QProgressBar" name="progressBar">
-     <property name="value">
-      <number>0</number>
-     </property>
-    </widget>
-   </item>
-   <item>
-    <layout class="QHBoxLayout">
-     <item>
-      <spacer>
-       <property name="orientation">
-        <enum>Qt::Horizontal</enum>
-       </property>
-       <property name="sizeHint" stdset="0">
-        <size>
-         <width>131</width>
-         <height>31</height>
-        </size>
-       </property>
-      </spacer>
-     </item>
-     <item>
-      <widget class="QPushButton" name="createButton">
-       <property name="text">
-        <string>Create and save...</string>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <widget class="QPushButton" name="cancelButton">
-       <property name="text">
-        <string>Cancel</string>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <spacer>
-       <property name="orientation">
-        <enum>Qt::Horizontal</enum>
-       </property>
-       <property name="sizeHint" stdset="0">
-        <size>
-         <width>40</width>
-         <height>20</height>
-        </size>
-       </property>
-      </spacer>
-     </item>
-    </layout>
-   </item>
   </layout>
  </widget>
+ <tabstops>
+  <tabstop>textInputPath</tabstop>
+  <tabstop>addFile_button</tabstop>
+  <tabstop>addFolder_button</tabstop>
+  <tabstop>comboPieceSize</tabstop>
+  <tabstop>check_private</tabstop>
+  <tabstop>checkStartSeeding</tabstop>
+  <tabstop>checkIgnoreShareLimits</tabstop>
+  <tabstop>trackers_list</tabstop>
+  <tabstop>URLSeeds_list</tabstop>
+  <tabstop>txt_comment</tabstop>
+ </tabstops>
  <resources/>
  <connections>
   <connection>
@@ -344,5 +315,21 @@
     </hint>
    </hints>
   </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>TorrentCreatorDlg</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>295</x>
+     <y>635</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>295</x>
+     <y>328</y>
+    </hint>
+   </hints>
+  </connection>
  </connections>
 </ui>