Add file tree view

CMakeLists.txt

@@ -823,6 +823,8 @@ set(SOURCES
 
   src/fileview/fileview.cpp
   src/fileview/fileviewlist.cpp
+  src/fileview/fileviewtree.cpp
+  src/fileview/fileviewtreemodel.cpp
 
   src/device/devicemanager.cpp
   src/device/devicelister.cpp
@@ -1112,6 +1114,8 @@ set(HEADERS
 
   src/fileview/fileview.h
   src/fileview/fileviewlist.h
+  src/fileview/fileviewtree.h
+  src/fileview/fileviewtreemodel.h
 
   src/device/devicemanager.h
   src/device/devicelister.h

src/fileview/fileview.cpp

@@ -29,13 +29,17 @@
 #include <QString>
 #include <QStringList>
 #include <QUrl>
-#include <QSettings>
+#include <QStandardPaths>
 #include <QMessageBox>
 #include <QScrollBar>
 #include <QLineEdit>
 #include <QToolButton>
+#include <QFileDialog>
+#include <QSpacerItem>
 #include <QtEvents>
 
+#include "constants/appearancesettings.h"
+#include "constants/filefilterconstants.h"
 #include "includes/shared_ptr.h"
 #include "core/deletefiles.h"
 #include "core/filesystemmusicstorage.h"
@@ -45,10 +49,11 @@
 #include "dialogs/deleteconfirmationdialog.h"
 #include "fileview.h"
 #include "fileviewlist.h"
+#include "fileviewtree.h"
+#include "fileviewtreemodel.h"
+#include "fileviewtreeitem.h"
 #include "ui_fileview.h"
 #include "organize/organizeerrordialog.h"
-#include "constants/appearancesettings.h"
-#include "constants/filefilterconstants.h"
 
 using std::make_unique;
 using namespace Qt::Literals::StringLiterals;
@@ -57,9 +62,12 @@ FileView::FileView(QWidget *parent)
     : QWidget(parent),
       ui_(new Ui_FileView),
       model_(nullptr),
+      tree_model_(nullptr),
       undo_stack_(new QUndoStack(this)),
       task_manager_(nullptr),
-      storage_(new FilesystemMusicStorage(Song::Source::LocalFile, u"/"_s)) {
+      storage_(new FilesystemMusicStorage(Song::Source::LocalFile, u"/"_s)),
+      tree_view_active_(false),
+      view_mode_spacer_(nullptr) {
 
   ui_->setupUi(this);
 
@@ -68,12 +76,14 @@ FileView::FileView(QWidget *parent)
   ui_->forward->setIcon(IconLoader::Load(u"go-next"_s));
   ui_->home->setIcon(IconLoader::Load(u"go-home"_s));
   ui_->up->setIcon(IconLoader::Load(u"go-up"_s));
+  ui_->toggle_view->setIcon(IconLoader::Load(u"view-choose"_s));
 
   QObject::connect(ui_->back, &QToolButton::clicked, undo_stack_, &QUndoStack::undo);
   QObject::connect(ui_->forward, &QToolButton::clicked, undo_stack_, &QUndoStack::redo);
   QObject::connect(ui_->home, &QToolButton::clicked, this, &FileView::FileHome);
   QObject::connect(ui_->up, &QToolButton::clicked, this, &FileView::FileUp);
   QObject::connect(ui_->path, &QLineEdit::textChanged, this, &FileView::ChangeFilePath);
+  QObject::connect(ui_->toggle_view, &QToolButton::clicked, this, &FileView::ToggleViewMode);
 
   QObject::connect(undo_stack_, &QUndoStack::canUndoChanged, ui_->back, &FileView::setEnabled);
   QObject::connect(undo_stack_, &QUndoStack::canRedoChanged, ui_->forward, &FileView::setEnabled);
@@ -87,6 +97,22 @@ FileView::FileView(QWidget *parent)
   QObject::connect(ui_->list, &FileViewList::Delete, this, &FileView::Delete);
   QObject::connect(ui_->list, &FileViewList::EditTags, this, &FileView::EditTags);
 
+  // Connect tree view signals
+  QObject::connect(ui_->tree, &FileViewTree::AddToPlaylist, this, &FileView::AddToPlaylist);
+  QObject::connect(ui_->tree, &FileViewTree::CopyToCollection, this, &FileView::CopyToCollection);
+  QObject::connect(ui_->tree, &FileViewTree::MoveToCollection, this, &FileView::MoveToCollection);
+  QObject::connect(ui_->tree, &FileViewTree::CopyToDevice, this, &FileView::CopyToDevice);
+  QObject::connect(ui_->tree, &FileViewTree::Delete, this, &FileView::Delete);
+  QObject::connect(ui_->tree, &FileViewTree::EditTags, this, &FileView::EditTags);
+  QObject::connect(ui_->tree, &FileViewTree::activated, this, &FileView::ItemActivated);
+  QObject::connect(ui_->tree, &FileViewTree::doubleClicked, this, &FileView::ItemDoubleClick);
+
+  // Setup tree root management buttons
+  ui_->add_tree_root->setIcon(IconLoader::Load(u"folder-new"_s));
+  ui_->remove_tree_root->setIcon(IconLoader::Load(u"list-remove"_s));
+  QObject::connect(ui_->add_tree_root, &QToolButton::clicked, this, &FileView::AddRootButtonClicked);
+  QObject::connect(ui_->remove_tree_root, &QToolButton::clicked, this, &FileView::RemoveRootButtonClicked);
+
   QString filter = QLatin1String(kFileFilter);
   filter_list_ << filter.split(u' ');
 
@@ -109,6 +135,19 @@ void FileView::ReloadSettings() {
   ui_->forward->setIconSize(QSize(iconsize, iconsize));
   ui_->home->setIconSize(QSize(iconsize, iconsize));
   ui_->up->setIconSize(QSize(iconsize, iconsize));
+  ui_->toggle_view->setIconSize(QSize(iconsize, iconsize));
+  ui_->add_tree_root->setIconSize(QSize(iconsize, iconsize));
+  ui_->remove_tree_root->setIconSize(QSize(iconsize, iconsize));
+
+  // Load tree root paths setting
+  Settings file_settings;
+  file_settings.beginGroup(u"FileView"_s);
+  tree_root_paths_ = file_settings.value(u"tree_root_paths"_s, QStandardPaths::standardLocations(QStandardPaths::StandardLocation::MusicLocation)).toStringList();
+  tree_view_active_ = file_settings.value(u"tree_view_active"_s, false).toBool();
+  file_settings.endGroup();
+
+  // Set initial view mode
+  UpdateViewModeUI();
 
 }
 
@@ -180,24 +219,46 @@ void FileView::ChangeFilePathWithoutUndo(const QString &new_path) {
 }
 
 void FileView::ItemActivated(const QModelIndex &idx) {
-  if (model_->isDir(idx))
+  // Only handle activation for list view (not tree view)
+  if (!tree_view_active_ && model_->isDir(idx)) {
     ChangeFilePath(model_->filePath(idx));
+  }
 }
 
 void FileView::ItemDoubleClick(const QModelIndex &idx) {
 
-  if (model_->isDir(idx)) {
+  QString file_path;
-    return;
+  bool is_file = false;
+
+  // Handle tree view with virtual roots
+  if (tree_view_active_ && tree_model_) {
+    QVariant type_var = tree_model_->data(idx, FileViewTreeModel::Role_Type);
+    if (type_var.isValid()) {
+      FileViewTreeItem::Type item_type = type_var.value<FileViewTreeItem::Type>();
+      // Only handle files, ignore directories and virtual roots
+      if (item_type == FileViewTreeItem::Type::File) {
+        file_path = tree_model_->data(idx, FileViewTreeModel::Role_FilePath).toString();
+        is_file = true;
+      }
+    }
+  }
+  // Handle list view with filesystem model
+  else if (!tree_view_active_ && model_) {
+    if (!model_->isDir(idx)) {
+      file_path = model_->filePath(idx);
+      is_file = true;
+    }
   }
 
-  QString file_path = model_->filePath(idx);
+  // Add file to playlist if it's a valid file
+  if (is_file && !file_path.isEmpty()) {
+    MimeData *mimedata = new MimeData;
+    mimedata->from_doubleclick_ = true;
+    mimedata->setUrls(QList<QUrl>() << QUrl::fromLocalFile(file_path));
+    mimedata->name_for_new_playlist_ = file_path;
 
-  MimeData *mimedata = new MimeData;
+    Q_EMIT AddToPlaylist(mimedata);
-  mimedata->from_doubleclick_ = true;
+  }
-  mimedata->setUrls(QList<QUrl>() << QUrl::fromLocalFile(file_path));
-  mimedata->name_for_new_playlist_ = file_path;
-
-  Q_EMIT AddToPlaylist(mimedata);
 
 }
 
@@ -272,12 +333,156 @@ void FileView::showEvent(QShowEvent *e) {
   model_->setNameFilterDisables(false);
 
   ui_->list->setModel(model_);
+
+  // Create tree model
+  tree_model_ = new FileViewTreeModel(this);
+  tree_model_->SetNameFilters(filter_list_);
+
+  SetupTreeView();
+
   ChangeFilePathWithoutUndo(QDir::homePath());
 
   if (!lazy_set_path_.isEmpty()) ChangeFilePathWithoutUndo(lazy_set_path_);
 
 }
 
+void FileView::SetupTreeView() {
+
+  // Use the new tree model with virtual roots
+  ui_->tree->setModel(tree_model_);
+
+  // Set the root paths in the model
+  tree_model_->SetRootPaths(tree_root_paths_);
+
+  // No need to set root index - the model handles virtual roots
+
+}
+
+void FileView::ToggleViewMode() {
+
+  tree_view_active_ = !tree_view_active_;
+  UpdateViewModeUI();
+
+  // Save the preference
+  Settings s;
+  s.beginGroup(u"FileView"_s);
+  s.setValue(u"tree_view_active"_s, tree_view_active_);
+  s.endGroup();
+
+}
+
+void FileView::UpdateViewModeUI() {
+
+  if (tree_view_active_) {
+    ui_->view_stack->setCurrentWidget(ui_->tree_page);
+    // Hide navigation controls in tree view mode
+    ui_->back->setVisible(false);
+    ui_->forward->setVisible(false);
+    ui_->up->setVisible(false);
+    ui_->home->setVisible(false);
+    ui_->path->setVisible(false);
+    // Show tree root management buttons
+    ui_->add_tree_root->setVisible(true);
+    ui_->remove_tree_root->setVisible(true);
+    // Insert spacer in tree view if not already present
+    if (!view_mode_spacer_) {
+      view_mode_spacer_ = new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Minimum);
+      ui_->horizontalLayout->insertSpacerItem(ui_->horizontalLayout->indexOf(ui_->toggle_view), view_mode_spacer_);
+    }
+  }
+  else {
+    ui_->view_stack->setCurrentWidget(ui_->list_page);
+    // Show navigation controls in list view mode
+    ui_->back->setVisible(true);
+    ui_->forward->setVisible(true);
+    ui_->up->setVisible(true);
+    ui_->home->setVisible(true);
+    ui_->path->setVisible(true);
+    // Hide tree root management buttons in list view
+    ui_->add_tree_root->setVisible(false);
+    ui_->remove_tree_root->setVisible(false);
+    // Remove spacer in list view
+    if (view_mode_spacer_) {
+      ui_->horizontalLayout->removeItem(view_mode_spacer_);
+      delete view_mode_spacer_;
+      view_mode_spacer_ = nullptr;
+    }
+  }
+
+}
+
+void FileView::AddTreeRootPath(const QString &path) {
+
+  if (!tree_root_paths_.contains(path)) {
+    tree_root_paths_.append(path);
+    SaveTreeRootPaths();
+
+    // Refresh the tree view to show the new root
+    if (tree_model_) {
+      SetupTreeView();
+    }
+  }
+
+}
+
+void FileView::RemoveTreeRootPath(const QString &path) {
+
+  tree_root_paths_.removeAll(path);
+  SaveTreeRootPaths();
+
+  // Refresh the tree view
+  if (tree_model_) {
+    SetupTreeView();
+  }
+
+}
+
+void FileView::SaveTreeRootPaths() {
+
+  Settings s;
+  s.beginGroup(u"FileView"_s);
+  s.setValue(u"tree_root_paths"_s, tree_root_paths_);
+  s.endGroup();
+
+}
+
+void FileView::AddRootButtonClicked() {
+
+  const QString dir = QFileDialog::getExistingDirectory(this, tr("Select folder to add as tree root"), tree_root_paths_.isEmpty() ? QDir::homePath() : tree_root_paths_.first(), QFileDialog::ShowDirsOnly | QFileDialog::DontResolveSymlinks);
+  if (!dir.isEmpty()) {
+    AddTreeRootPath(dir);
+  }
+
+}
+
+void FileView::RemoveRootButtonClicked() {
+
+  // Get currently selected item in tree
+  QModelIndex current = ui_->tree->currentIndex();
+  if (!current.isValid()) return;
+
+  QString path;
+
+  // Get the file path from the appropriate model
+  if (tree_model_) {
+    path = tree_model_->data(current, FileViewTreeModel::Role_FilePath).toString();
+  }
+
+  if (path.isEmpty()) return;
+
+  const QString clean_path = QDir::cleanPath(path);
+
+  // Check if this path or any parent is a configured root
+  for (const QString &root : std::as_const(tree_root_paths_)) {
+    const QString clean_root = QDir::cleanPath(root);
+    if (clean_path == clean_root || clean_path.startsWith(clean_root + QDir::separator())) {
+      RemoveTreeRootPath(root);
+      return;
+    }
+  }
+
+}
+
 void FileView::keyPressEvent(QKeyEvent *e) {
 
   switch (e->key()) {

src/fileview/fileview.h

@@ -40,10 +40,12 @@ class QFileIconProvider;
 class QUndoStack;
 class QKeyEvent;
 class QShowEvent;
+class QSpacerItem;
 
 class MusicStorage;
 class TaskManager;
 class Ui_FileView;
+class FileViewTreeModel;
 
 class FileView : public QWidget {
   Q_OBJECT
@@ -76,12 +78,22 @@ class FileView : public QWidget {
   void ChangeFilePath(const QString &new_path);
   void ItemActivated(const QModelIndex &idx);
   void ItemDoubleClick(const QModelIndex &idx);
+  void ToggleViewMode();
 
   void Delete(const QStringList &filenames);
   void DeleteFinished(const SongList &songs_with_errors);
 
+ public Q_SLOTS:
+  void AddTreeRootPath(const QString &path);
+  void RemoveTreeRootPath(const QString &path);
+
  private:
   void ChangeFilePathWithoutUndo(const QString &new_path);
+  void SetupTreeView();
+  void SaveTreeRootPaths();
+  void AddRootButtonClicked();
+  void RemoveRootButtonClicked();
+  void UpdateViewModeUI();
 
  private:
   class UndoCommand : public QUndoCommand {
@@ -110,16 +122,21 @@ class FileView : public QWidget {
   Ui_FileView *ui_;
 
   QFileSystemModel *model_;
+  FileViewTreeModel *tree_model_;
   QUndoStack *undo_stack_;
 
   SharedPtr<TaskManager> task_manager_;
   SharedPtr<MusicStorage> storage_;
 
   QString lazy_set_path_;
+  QStringList tree_root_paths_;
 
   QStringList filter_list_;
 
   ScopedPtr<QFileIconProvider> file_icon_provider_;
+
+  bool tree_view_active_;
+  QSpacerItem *view_mode_spacer_;
 };
 
 #endif  // FILEVIEW_H

src/fileview/fileview.ui

@@ -95,28 +95,143 @@
      <item>
       <widget class="QLineEdit" name="path"/>
      </item>
+     <item>
+      <widget class="QToolButton" name="add_tree_root">
+       <property name="toolTip">
+        <string>Add root directory</string>
+       </property>
+       <property name="iconSize">
+        <size>
+         <width>22</width>
+         <height>22</height>
+        </size>
+       </property>
+       <property name="autoRaise">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QToolButton" name="remove_tree_root">
+       <property name="toolTip">
+        <string>Remove selected root directory</string>
+       </property>
+       <property name="iconSize">
+        <size>
+         <width>22</width>
+         <height>22</height>
+        </size>
+       </property>
+       <property name="autoRaise">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QToolButton" name="toggle_view">
+       <property name="iconSize">
+        <size>
+         <width>22</width>
+         <height>22</height>
+        </size>
+       </property>
+       <property name="autoRaise">
+        <bool>true</bool>
+       </property>
+       <property name="toolTip">
+        <string>Toggle between list and tree view</string>
+       </property>
+      </widget>
+     </item>
     </layout>
    </item>
    <item>
-    <widget class="FileViewList" name="list">
+    <widget class="QStackedWidget" name="view_stack">
-     <property name="dragEnabled">
+     <property name="currentIndex">
-      <bool>true</bool>
+      <number>0</number>
-     </property>
-     <property name="dragDropMode">
-      <enum>QAbstractItemView::DragOnly</enum>
-     </property>
-     <property name="selectionMode">
-      <enum>QAbstractItemView::ExtendedSelection</enum>
-     </property>
-     <property name="selectionBehavior">
-      <enum>QAbstractItemView::SelectRows</enum>
-     </property>
-     <property name="iconSize">
-      <size>
-       <width>16</width>
-       <height>16</height>
-      </size>
      </property>
+     <widget class="QWidget" name="list_page">
+      <layout class="QVBoxLayout" name="list_layout">
+       <property name="spacing">
+        <number>0</number>
+       </property>
+       <property name="leftMargin">
+        <number>0</number>
+       </property>
+       <property name="topMargin">
+        <number>0</number>
+       </property>
+       <property name="rightMargin">
+        <number>0</number>
+       </property>
+       <property name="bottomMargin">
+        <number>0</number>
+       </property>
+       <item>
+        <widget class="FileViewList" name="list">
+         <property name="dragEnabled">
+          <bool>true</bool>
+         </property>
+         <property name="dragDropMode">
+          <enum>QAbstractItemView::DragOnly</enum>
+         </property>
+         <property name="selectionMode">
+          <enum>QAbstractItemView::ExtendedSelection</enum>
+         </property>
+         <property name="selectionBehavior">
+          <enum>QAbstractItemView::SelectRows</enum>
+         </property>
+         <property name="iconSize">
+          <size>
+           <width>16</width>
+           <height>16</height>
+          </size>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+     <widget class="QWidget" name="tree_page">
+      <layout class="QVBoxLayout" name="tree_layout">
+       <property name="spacing">
+        <number>0</number>
+       </property>
+       <property name="leftMargin">
+        <number>0</number>
+       </property>
+       <property name="topMargin">
+        <number>0</number>
+       </property>
+       <property name="rightMargin">
+        <number>0</number>
+       </property>
+       <property name="bottomMargin">
+        <number>0</number>
+       </property>
+       <item>
+        <widget class="FileViewTree" name="tree">
+         <property name="dragEnabled">
+          <bool>true</bool>
+         </property>
+         <property name="dragDropMode">
+          <enum>QAbstractItemView::DragOnly</enum>
+         </property>
+         <property name="selectionMode">
+          <enum>QAbstractItemView::ExtendedSelection</enum>
+         </property>
+         <property name="selectionBehavior">
+          <enum>QAbstractItemView::SelectRows</enum>
+         </property>
+         <property name="iconSize">
+          <size>
+           <width>16</width>
+           <height>16</height>
+          </size>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
     </widget>
    </item>
   </layout>
@@ -127,6 +242,11 @@
    <extends>QListView</extends>
    <header>fileview/fileviewlist.h</header>
   </customwidget>
+  <customwidget>
+   <class>FileViewTree</class>
+   <extends>QTreeView</extends>
+   <header>fileview/fileviewtree.h</header>
+  </customwidget>
  </customwidgets>
  <resources/>
  <connections/>

src/fileview/fileviewlist.cpp

@@ -99,7 +99,7 @@ MimeData *FileViewList::MimeDataFromSelection() const {
 
   const QStringList filenames = FilenamesFromSelection();
 
-  // if just one folder selected - use its path as the new playlist's name
+  // If just one folder selected - use its path as the new playlist's name
   if (filenames.size() == 1 && QFileInfo(filenames.first()).isDir()) {
     if (filenames.first().length() > 20) {
       mimedata->name_for_new_playlist_ = QDir(filenames.first()).dirName();
@@ -108,7 +108,7 @@ MimeData *FileViewList::MimeDataFromSelection() const {
       mimedata->name_for_new_playlist_ = filenames.first();
     }
   }
-  // otherwise, use the current root path
+  // Otherwise, use the current root path
   else {
     QString path = qobject_cast<QFileSystemModel*>(model())->rootPath();
     if (path.length() > 20) {
@@ -196,11 +196,11 @@ void FileViewList::mousePressEvent(QMouseEvent *e) {
     case Qt::XButton2:
       Q_EMIT Forward();
       break;
-    // enqueue to playlist with middleClick
+    // Enqueue to playlist with middleClick
     case Qt::MiddleButton:{
       QListView::mousePressEvent(e);
 
-      // we need to update the menu selection
+      // We need to update the menu selection
       menu_selection_ = selectionModel()->selection();
 
       MimeData *mimedata = new MimeData;

src/fileview/fileviewtree.cpp

@@ -0,0 +1,205 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2025, Jonas Kvinge <jonas@jkvinge.net>
+ *
+ * Strawberry is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <algorithm>
+#include <utility>
+
+#include <QWidget>
+#include <QAbstractItemModel>
+#include <QFileInfo>
+#include <QDir>
+#include <QMenu>
+#include <QUrl>
+#include <QCollator>
+#include <QtEvents>
+
+#include "core/iconloader.h"
+#include "core/mimedata.h"
+#include "utilities/filemanagerutils.h"
+#include "fileviewtree.h"
+#include "fileviewtreemodel.h"
+
+using namespace Qt::Literals::StringLiterals;
+
+FileViewTree::FileViewTree(QWidget *parent)
+    : QTreeView(parent),
+      menu_(new QMenu(this)) {
+
+  menu_->addAction(IconLoader::Load(u"media-playback-start"_s), tr("Append to current playlist"), this, &FileViewTree::AddToPlaylistSlot);
+  menu_->addAction(IconLoader::Load(u"media-playback-start"_s), tr("Replace current playlist"), this, &FileViewTree::LoadSlot);
+  menu_->addAction(IconLoader::Load(u"document-new"_s), tr("Open in new playlist"), this, &FileViewTree::OpenInNewPlaylistSlot);
+  menu_->addSeparator();
+  menu_->addAction(IconLoader::Load(u"edit-copy"_s), tr("Copy to collection..."), this, &FileViewTree::CopyToCollectionSlot);
+  menu_->addAction(IconLoader::Load(u"go-jump"_s), tr("Move to collection..."), this, &FileViewTree::MoveToCollectionSlot);
+  menu_->addAction(IconLoader::Load(u"device"_s), tr("Copy to device..."), this, &FileViewTree::CopyToDeviceSlot);
+  menu_->addAction(IconLoader::Load(u"edit-delete"_s), tr("Delete from disk..."), this, &FileViewTree::DeleteSlot);
+
+  menu_->addSeparator();
+  menu_->addAction(IconLoader::Load(u"edit-rename"_s), tr("Edit track information..."), this, &FileViewTree::EditTagsSlot);
+  menu_->addAction(IconLoader::Load(u"document-open-folder"_s), tr("Show in file browser..."), this, &FileViewTree::ShowInBrowser);
+
+  setAttribute(Qt::WA_MacShowFocusRect, false);
+  setHeaderHidden(true);
+  setUniformRowHeights(true);
+
+}
+
+void FileViewTree::contextMenuEvent(QContextMenuEvent *e) {
+
+  menu_selection_ = selectionModel()->selection();
+
+  menu_->popup(e->globalPos());
+  e->accept();
+
+}
+
+QStringList FileViewTree::FilenamesFromSelection() const {
+
+  QStringList filenames;
+  const QModelIndexList indexes = menu_selection_.indexes();
+
+  FileViewTreeModel *tree_model = qobject_cast<FileViewTreeModel*>(model());
+  if (tree_model) {
+    for (const QModelIndex &index : indexes) {
+      if (index.column() == 0) {
+        QString path = tree_model->data(index, FileViewTreeModel::Role_FilePath).toString();
+        if (!path.isEmpty()) {
+          filenames << path;
+        }
+      }
+    }
+  }
+
+  QCollator collator;
+  collator.setNumericMode(true);
+  std::sort(filenames.begin(), filenames.end(), collator);
+
+  return filenames;
+
+}
+
+QList<QUrl> FileViewTree::UrlListFromSelection() const {
+
+  QList<QUrl> urls;
+  const QStringList filenames = FilenamesFromSelection();
+  urls.reserve(filenames.count());
+  for (const QString &filename : std::as_const(filenames)) {
+    urls << QUrl::fromLocalFile(filename);
+  }
+
+  return urls;
+
+}
+
+MimeData *FileViewTree::MimeDataFromSelection() const {
+
+  MimeData *mimedata = new MimeData;
+  mimedata->setUrls(UrlListFromSelection());
+
+  const QStringList filenames = FilenamesFromSelection();
+
+  // if just one folder selected - use its path as the new playlist's name
+  if (filenames.size() == 1 && QFileInfo(filenames.first()).isDir()) {
+    if (filenames.first().length() > 20) {
+      mimedata->name_for_new_playlist_ = QDir(filenames.first()).dirName();
+    }
+    else {
+      mimedata->name_for_new_playlist_ = filenames.first();
+    }
+  }
+  // otherwise, use "Files" as default
+  else {
+    mimedata->name_for_new_playlist_ = tr("Files");
+  }
+
+  return mimedata;
+
+}
+
+void FileViewTree::LoadSlot() {
+
+  MimeData *mimedata = MimeDataFromSelection();
+  mimedata->clear_first_ = true;
+  Q_EMIT AddToPlaylist(mimedata);
+
+}
+
+void FileViewTree::AddToPlaylistSlot() {
+  Q_EMIT AddToPlaylist(MimeDataFromSelection());
+}
+
+void FileViewTree::OpenInNewPlaylistSlot() {
+
+  MimeData *mimedata = MimeDataFromSelection();
+  mimedata->open_in_new_playlist_ = true;
+  Q_EMIT AddToPlaylist(mimedata);
+
+}
+
+void FileViewTree::CopyToCollectionSlot() {
+  Q_EMIT CopyToCollection(UrlListFromSelection());
+}
+
+void FileViewTree::MoveToCollectionSlot() {
+  Q_EMIT MoveToCollection(UrlListFromSelection());
+}
+
+void FileViewTree::CopyToDeviceSlot() {
+  Q_EMIT CopyToDevice(UrlListFromSelection());
+}
+
+void FileViewTree::DeleteSlot() {
+  Q_EMIT Delete(FilenamesFromSelection());
+}
+
+void FileViewTree::EditTagsSlot() {
+  Q_EMIT EditTags(UrlListFromSelection());
+}
+
+void FileViewTree::mousePressEvent(QMouseEvent *e) {
+
+  switch (e->button()) {
+    // Enqueue to playlist with middleClick
+    case Qt::MiddleButton:{
+      QTreeView::mousePressEvent(e);
+
+      // We need to update the menu selection
+      QItemSelectionModel *selection_model = selectionModel();
+      if (!selection_model) {
+        e->ignore();
+        return;
+      }
+      menu_selection_ = selection_model->selection();
+
+      MimeData *mimedata = new MimeData;
+      mimedata->setUrls(UrlListFromSelection());
+      mimedata->enqueue_now_ = true;
+      Q_EMIT AddToPlaylist(mimedata);
+      break;
+    }
+    default:
+      QTreeView::mousePressEvent(e);
+      break;
+  }
+
+}
+
+void FileViewTree::ShowInBrowser() {
+  Utilities::OpenInFileBrowser(UrlListFromSelection());
+}

src/fileview/fileviewtree.h

@@ -0,0 +1,78 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2025, Jonas Kvinge <jonas@jkvinge.net>
+ *
+ * Strawberry is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef FILEVIEWTREE_H
+#define FILEVIEWTREE_H
+
+#include <QObject>
+#include <QTreeView>
+#include <QList>
+#include <QUrl>
+#include <QString>
+#include <QStringList>
+
+class QWidget;
+class QMimeData;
+class QMenu;
+class QMouseEvent;
+class QContextMenuEvent;
+
+class MimeData;
+
+class FileViewTree : public QTreeView {
+  Q_OBJECT
+
+ public:
+  explicit FileViewTree(QWidget *parent = nullptr);
+
+  void mousePressEvent(QMouseEvent *e) override;
+
+ Q_SIGNALS:
+  void AddToPlaylist(QMimeData *data);
+  void CopyToCollection(const QList<QUrl> &urls);
+  void MoveToCollection(const QList<QUrl> &urls);
+  void CopyToDevice(const QList<QUrl> &urls);
+  void Delete(const QStringList &filenames);
+  void EditTags(const QList<QUrl> &urls);
+
+ protected:
+  void contextMenuEvent(QContextMenuEvent *e) override;
+
+ private:
+  QStringList FilenamesFromSelection() const;
+  QList<QUrl> UrlListFromSelection() const;
+  MimeData *MimeDataFromSelection() const;
+
+ private Q_SLOTS:
+  void LoadSlot();
+  void AddToPlaylistSlot();
+  void OpenInNewPlaylistSlot();
+  void CopyToCollectionSlot();
+  void MoveToCollectionSlot();
+  void CopyToDeviceSlot();
+  void DeleteSlot();
+  void EditTagsSlot();
+  void ShowInBrowser();
+
+ private:
+  QMenu *menu_;
+  QItemSelection menu_selection_;
+};
+
+#endif  // FILEVIEWTREE_H

src/fileview/fileviewtreeitem.h

@@ -0,0 +1,52 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2025, Jonas Kvinge <jonas@jkvinge.net>
+ *
+ * Strawberry is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef FILEVIEWTREEITEM_H
+#define FILEVIEWTREEITEM_H
+
+#include "config.h"
+
+#include <QFileInfo>
+
+#include "core/simpletreeitem.h"
+
+class FileViewTreeItem : public SimpleTreeItem<FileViewTreeItem> {
+ public:
+  enum class Type {
+    Root,          // Hidden root
+    VirtualRoot,   // User-configured root paths
+    Directory,     // File system directory
+    File           // File system file
+  };
+
+  explicit FileViewTreeItem(SimpleTreeModel<FileViewTreeItem> *_model) : SimpleTreeItem<FileViewTreeItem>(_model), type(Type::Root), lazy_loaded(false) {}
+  explicit FileViewTreeItem(const Type _type, FileViewTreeItem *_parent = nullptr) : SimpleTreeItem<FileViewTreeItem>(_parent), type(_type), lazy_loaded(false) {}
+
+  Type type;
+  QString file_path;        // Absolute file system path
+  QFileInfo file_info;      // Cached file info
+  bool lazy_loaded;         // Whether children have been loaded
+
+ private:
+  Q_DISABLE_COPY(FileViewTreeItem)
+};
+
+Q_DECLARE_METATYPE(FileViewTreeItem::Type)
+
+#endif  // FILEVIEWTREEITEM_H

src/fileview/fileviewtreemodel.cpp

@@ -0,0 +1,247 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2025, Jonas Kvinge <jonas@jkvinge.net>
+ *
+ * Strawberry is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <QObject>
+#include <QVariant>
+#include <QString>
+#include <QStringList>
+#include <QList>
+#include <QMap>
+#include <QDir>
+#include <QFileInfo>
+#include <QFileIconProvider>
+#include <QMimeData>
+#include <QUrl>
+#include <QIcon>
+
+#include "core/simpletreemodel.h"
+#include "core/logging.h"
+#include "fileviewtreemodel.h"
+#include "fileviewtreeitem.h"
+
+using namespace Qt::Literals::StringLiterals;
+
+FileViewTreeModel::FileViewTreeModel(QObject *parent)
+    : SimpleTreeModel<FileViewTreeItem>(new FileViewTreeItem(this), parent),
+      icon_provider_(new QFileIconProvider()) {
+}
+
+FileViewTreeModel::~FileViewTreeModel() {
+  delete root_;
+  delete icon_provider_;
+}
+
+Qt::ItemFlags FileViewTreeModel::flags(const QModelIndex &idx) const {
+
+  const FileViewTreeItem *item = IndexToItem(idx);
+  if (!item) return Qt::NoItemFlags;
+
+  switch (item->type) {
+    case FileViewTreeItem::Type::VirtualRoot:
+    case FileViewTreeItem::Type::Directory:
+    case FileViewTreeItem::Type::File:
+      return Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsDragEnabled;
+    case FileViewTreeItem::Type::Root:
+    default:
+      return Qt::ItemIsEnabled;
+  }
+
+}
+
+QVariant FileViewTreeModel::data(const QModelIndex &idx, const int role) const {
+
+  if (!idx.isValid()) return QVariant();
+
+  const FileViewTreeItem *item = IndexToItem(idx);
+  if (!item) return QVariant();
+
+  switch (role) {
+    case Qt::DisplayRole:
+      if (item->type == FileViewTreeItem::Type::VirtualRoot) {
+        return item->display_text.isEmpty() ? item->file_path : item->display_text;
+      }
+      return item->file_info.fileName();
+
+    case Qt::DecorationRole:
+      return GetIcon(item);
+
+    case Role_Type:
+      return QVariant::fromValue(item->type);
+
+    case Role_FilePath:
+      return item->file_path;
+
+    case Role_FileName:
+      return item->file_info.fileName();
+
+    default:
+      return QVariant();
+  }
+
+}
+
+bool FileViewTreeModel::hasChildren(const QModelIndex &parent) const {
+
+  const FileViewTreeItem *item = IndexToItem(parent);
+  if (!item) return false;
+
+  // Root and VirtualRoot always have children (or can have them)
+  if (item->type == FileViewTreeItem::Type::Root) return true;
+  if (item->type == FileViewTreeItem::Type::VirtualRoot) return true;
+
+  // Directories can have children
+  if (item->type == FileViewTreeItem::Type::Directory) {
+    return true;
+  }
+
+  // Files don't have children
+  return false;
+
+}
+
+bool FileViewTreeModel::canFetchMore(const QModelIndex &parent) const {
+
+  const FileViewTreeItem *item = IndexToItem(parent);
+  if (!item) return false;
+
+  // Can fetch more if not yet lazy loaded
+  return !item->lazy_loaded && (item->type == FileViewTreeItem::Type::VirtualRoot || item->type == FileViewTreeItem::Type::Directory);
+
+}
+
+void FileViewTreeModel::fetchMore(const QModelIndex &parent) {
+
+  FileViewTreeItem *item = IndexToItem(parent);
+  if (!item || item->lazy_loaded) return;
+
+  LazyLoad(item);
+
+}
+
+void FileViewTreeModel::LazyLoad(FileViewTreeItem *item) {
+
+  if (item->lazy_loaded) return;
+
+  QDir dir(item->file_path);
+  if (!dir.exists()) {
+    item->lazy_loaded = true;
+    return;
+  }
+
+  // Apply name filters
+  QDir::Filters filters = QDir::AllDirs | QDir::Files | QDir::NoDotAndDotDot;
+  if (!name_filters_.isEmpty()) {
+    dir.setNameFilters(name_filters_);
+  }
+
+  QFileInfoList entries = dir.entryInfoList(filters, QDir::Name | QDir::DirsFirst);
+
+  if (!entries.isEmpty()) {
+    BeginInsert(item, 0, static_cast<int>(entries.count()) - 1);
+
+    for (const QFileInfo &entry : entries) {
+      FileViewTreeItem *child = new FileViewTreeItem(
+        entry.isDir() ? FileViewTreeItem::Type::Directory : FileViewTreeItem::Type::File,
+        item
+      );
+      child->file_path = entry.absoluteFilePath();
+      child->file_info = entry;
+      child->lazy_loaded = false;
+      child->display_text = entry.fileName();
+    }
+
+    EndInsert();
+  }
+
+  item->lazy_loaded = true;
+
+}
+
+QIcon FileViewTreeModel::GetIcon(const FileViewTreeItem *item) const {
+
+  if (!item) return QIcon();
+
+  switch (item->type) {
+    case FileViewTreeItem::Type::VirtualRoot:
+    case FileViewTreeItem::Type::Directory:
+      return icon_provider_->icon(QFileIconProvider::Folder);
+    case FileViewTreeItem::Type::File:
+      return icon_provider_->icon(item->file_info);
+    default:
+      return QIcon();
+  }
+
+}
+
+QStringList FileViewTreeModel::mimeTypes() const {
+  return QStringList() << u"text/uri-list"_s;
+}
+
+QMimeData *FileViewTreeModel::mimeData(const QModelIndexList &indexes) const {
+
+  if (indexes.isEmpty()) return nullptr;
+
+  QList<QUrl> urls;
+  for (const QModelIndex &idx : indexes) {
+    const FileViewTreeItem *item = IndexToItem(idx);
+    if (item && (item->type == FileViewTreeItem::Type::File || item->type == FileViewTreeItem::Type::Directory || item->type == FileViewTreeItem::Type::VirtualRoot)) {
+      urls << QUrl::fromLocalFile(item->file_path);
+    }
+  }
+
+  if (urls.isEmpty()) return nullptr;
+
+  QMimeData *data = new QMimeData();
+  data->setUrls(urls);
+  return data;
+
+}
+
+void FileViewTreeModel::SetRootPaths(const QStringList &paths) {
+
+  Reset();
+
+  for (const QString &path : paths) {
+    QFileInfo info(path);
+    if (!info.exists() || !info.isDir()) continue;
+
+    FileViewTreeItem *virtual_root = new FileViewTreeItem(FileViewTreeItem::Type::VirtualRoot, root_);
+    virtual_root->file_path = info.absoluteFilePath();
+    virtual_root->file_info = info;
+    virtual_root->display_text = info.absoluteFilePath();
+    virtual_root->lazy_loaded = false;
+  }
+
+}
+
+void FileViewTreeModel::SetNameFilters(const QStringList &filters) {
+  name_filters_ = filters;
+}
+
+void FileViewTreeModel::Reset() {
+
+  beginResetModel();
+
+  // Clear children without notifications since we're in a reset
+  qDeleteAll(root_->children);
+  root_->children.clear();
+
+  endResetModel();
+
+}

src/fileview/fileviewtreemodel.h

@@ -0,0 +1,72 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2025, Jonas Kvinge <jonas@jkvinge.net>
+ *
+ * Strawberry is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef FILEVIEWTREEMODEL_H
+#define FILEVIEWTREEMODEL_H
+
+#include "config.h"
+
+#include <QObject>
+#include <QVariant>
+#include <QStringList>
+#include <QIcon>
+
+#include "core/simpletreemodel.h"
+#include "fileviewtreeitem.h"
+
+class QFileIconProvider;
+class QMimeData;
+
+class FileViewTreeModel : public SimpleTreeModel<FileViewTreeItem> {
+  Q_OBJECT
+
+ public:
+  explicit FileViewTreeModel(QObject *parent = nullptr);
+  ~FileViewTreeModel() override;
+
+  enum Role {
+    Role_Type = Qt::UserRole + 1,
+    Role_FilePath,
+    Role_FileName,
+    RoleCount
+  };
+
+  // QAbstractItemModel
+  Qt::ItemFlags flags(const QModelIndex &idx) const override;
+  QVariant data(const QModelIndex &idx, const int role) const override;
+  bool hasChildren(const QModelIndex &parent) const override;
+  bool canFetchMore(const QModelIndex &parent) const override;
+  void fetchMore(const QModelIndex &parent) override;
+  QStringList mimeTypes() const override;
+  QMimeData *mimeData(const QModelIndexList &indexes) const override;
+
+  void SetRootPaths(const QStringList &paths);
+  void SetNameFilters(const QStringList &filters);
+
+ private:
+  void Reset();
+  void LazyLoad(FileViewTreeItem *item);
+  QIcon GetIcon(const FileViewTreeItem *item) const;
+
+ private:
+  QFileIconProvider *icon_provider_;
+  QStringList name_filters_;
+};
+
+#endif  // FILEVIEWTREEMODEL_H