src/gui/torrentcontentwidget.h

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2022  Vladimir Golovnev <glassez@yandex.ru>
   4  * Copyright (C) 2014  Ivan Sorokin <vanyacpp@gmail.com>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19  *
  20  * In addition, as a special exception, the copyright holders give permission to
  21  * link this program with the OpenSSL project's "OpenSSL" library (or with
  22  * modified versions of it that use the same license as the "OpenSSL" library),
  23  * and distribute the linked executables. You must obey the GNU General Public
  24  * License in all respects for all of the code used other than "OpenSSL".  If you
  25  * modify file(s), you may extend this exception to your version of the file(s),
  26  * but you are not obligated to do so. If you do not wish to do so, delete this
  27  * exception statement from your version.
  28  */
  29
  30 #pragma once
  31
  32 #include <QTreeView>
  33
  34 #include "base/bittorrent/downloadpriority.h"
  35 #include "base/pathfwd.h"
  36
  37 namespace BitTorrent
  38 {
  39     class Torrent;
  40     class TorrentContentHandler;
  41     class TorrentInfo;
  42 }
  43
  44 class TorrentContentFilterModel;
  45 class TorrentContentModel;
  46
  47 class TorrentContentWidget final : public QTreeView
  48 {
  49     Q_OBJECT
  50     Q_DISABLE_COPY_MOVE(TorrentContentWidget)
  51
  52 public:
  53     enum Column
  54     {
  55         Name,
  56         Size,
  57         Progress,
  58         Priority,
  59         Remaining,
  60         Availability
  61     };
  62
  63     enum class DoubleClickAction
  64     {
  65         Open,
  66         Rename
  67     };
  68
  69     enum class ColumnsVisibilityMode
  70     {
  71         Editable,
  72         Locked
  73     };
  74
  75     explicit TorrentContentWidget(QWidget *parent = nullptr);
  76
  77     void setContentHandler(BitTorrent::TorrentContentHandler *contentHandler);
  78     BitTorrent::TorrentContentHandler *contentHandler() const;
  79     void refresh();
  80
  81     DoubleClickAction doubleClickAction() const;
  82     void setDoubleClickAction(DoubleClickAction action);
  83
  84     ColumnsVisibilityMode columnsVisibilityMode() const;
  85     void setColumnsVisibilityMode(ColumnsVisibilityMode mode);
  86
  87     int getFileIndex(const QModelIndex &index) const;
  88     Path getItemPath(const QModelIndex &index) const;
  89
  90     void setFilterPattern(const QString &patternText);
  91
  92     void checkAll();
  93     void checkNone();
  94
  95 signals:
  96     void stateChanged();
  97
  98 private:
  99     void setModel(QAbstractItemModel *model) override;
 100     void keyPressEvent(QKeyEvent *event) override;
 101     void wheelEvent(QWheelEvent *event) override;
 102     QModelIndex currentNameCell() const;
 103     void displayColumnHeaderMenu();
 104     void displayContextMenu();
 105     void openItem(const QModelIndex &index) const;
 106     void openParentFolder(const QModelIndex &index) const;
 107     void openSelectedFile();
 108     void renameSelectedFile();
 109     void applyPriorities(BitTorrent::DownloadPriority priority);
 110     void applyPrioritiesByOrder();
 111     Path getFullPath(const QModelIndex &index) const;
 112     void onItemDoubleClicked(const QModelIndex &index);
 113     // Expand single-item folders recursively.
 114     // This will trigger sorting and filtering so do it after all relevant data is loaded.
 115     void expandRecursively();
 116
 117     TorrentContentModel *m_model;
 118     TorrentContentFilterModel *m_filterModel;
 119     DoubleClickAction m_doubleClickAction = DoubleClickAction::Rename;
 120     ColumnsVisibilityMode m_columnsVisibilityMode = ColumnsVisibilityMode::Editable;
 121 };