Massive removal of unused modules

1 files changed, 422 insertions, 0 deletions

diff --git a/src/yuzu/game_list.cpp b/src/yuzu/game_list.cpp
new file mode 100644
index 000000000..a8e3541cd
--- /dev/null
+++ b/src/yuzu/game_list.cpp
@@ -0,0 +1,422 @@
+// Copyright 2015 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <QApplication>
+#include <QFileInfo>
+#include <QHeaderView>
+#include <QKeyEvent>
+#include <QMenu>
+#include <QThreadPool>
+#include "common/common_paths.h"
+#include "common/logging/log.h"
+#include "common/string_util.h"
+#include "core/loader/loader.h"
+#include "game_list.h"
+#include "game_list_p.h"
+#include "ui_settings.h"
+
+GameList::SearchField::KeyReleaseEater::KeyReleaseEater(GameList* gamelist) {
+    this->gamelist = gamelist;
+    edit_filter_text_old = "";
+}
+
+// EventFilter in order to process systemkeys while editing the searchfield
+bool GameList::SearchField::KeyReleaseEater::eventFilter(QObject* obj, QEvent* event) {
+    // If it isn't a KeyRelease event then continue with standard event processing
+    if (event->type() != QEvent::KeyRelease)
+        return QObject::eventFilter(obj, event);
+
+    QKeyEvent* keyEvent = static_cast<QKeyEvent*>(event);
+    int rowCount = gamelist->tree_view->model()->rowCount();
+    QString edit_filter_text = gamelist->search_field->edit_filter->text().toLower();
+
+    // If the searchfield's text hasn't changed special function keys get checked
+    // If no function key changes the searchfield's text the filter doesn't need to get reloaded
+    if (edit_filter_text == edit_filter_text_old) {
+        switch (keyEvent->key()) {
+        // Escape: Resets the searchfield
+        case Qt::Key_Escape: {
+            if (edit_filter_text_old.isEmpty()) {
+                return QObject::eventFilter(obj, event);
+            } else {
+                gamelist->search_field->edit_filter->clear();
+                edit_filter_text = "";
+            }
+            break;
+        }
+        // Return and Enter
+        // If the enter key gets pressed first checks how many and which entry is visible
+        // If there is only one result launch this game
+        case Qt::Key_Return:
+        case Qt::Key_Enter: {
+            QStandardItemModel* item_model = new QStandardItemModel(gamelist->tree_view);
+            QModelIndex root_index = item_model->invisibleRootItem()->index();
+            QStandardItem* child_file;
+            QString file_path;
+            int resultCount = 0;
+            for (int i = 0; i < rowCount; ++i) {
+                if (!gamelist->tree_view->isRowHidden(i, root_index)) {
+                    ++resultCount;
+                    child_file = gamelist->item_model->item(i, 0);
+                    file_path = child_file->data(GameListItemPath::FullPathRole).toString();
+                }
+            }
+            if (resultCount == 1) {
+                // To avoid loading error dialog loops while confirming them using enter
+                // Also users usually want to run a diffrent game after closing one
+                gamelist->search_field->edit_filter->setText("");
+                edit_filter_text = "";
+                emit gamelist->GameChosen(file_path);
+            } else {
+                return QObject::eventFilter(obj, event);
+            }
+            break;
+        }
+        default:
+            return QObject::eventFilter(obj, event);
+        }
+    }
+    edit_filter_text_old = edit_filter_text;
+    return QObject::eventFilter(obj, event);
+}
+
+void GameList::SearchField::setFilterResult(int visible, int total) {
+    QString result_of_text = tr("of");
+    QString result_text;
+    if (total == 1) {
+        result_text = tr("result");
+    } else {
+        result_text = tr("results");
+    }
+    label_filter_result->setText(
+        QString("%1 %2 %3 %4").arg(visible).arg(result_of_text).arg(total).arg(result_text));
+}
+
+void GameList::SearchField::clear() {
+    edit_filter->setText("");
+}
+
+void GameList::SearchField::setFocus() {
+    if (edit_filter->isVisible()) {
+        edit_filter->setFocus();
+    }
+}
+
+GameList::SearchField::SearchField(GameList* parent) : QWidget{parent} {
+    KeyReleaseEater* keyReleaseEater = new KeyReleaseEater(parent);
+    layout_filter = new QHBoxLayout;
+    layout_filter->setMargin(8);
+    label_filter = new QLabel;
+    label_filter->setText(tr("Filter:"));
+    edit_filter = new QLineEdit;
+    edit_filter->setText("");
+    edit_filter->setPlaceholderText(tr("Enter pattern to filter"));
+    edit_filter->installEventFilter(keyReleaseEater);
+    edit_filter->setClearButtonEnabled(true);
+    connect(edit_filter, SIGNAL(textChanged(const QString&)), parent,
+            SLOT(onTextChanged(const QString&)));
+    label_filter_result = new QLabel;
+    button_filter_close = new QToolButton(this);
+    button_filter_close->setText("X");
+    button_filter_close->setCursor(Qt::ArrowCursor);
+    button_filter_close->setStyleSheet("QToolButton{ border: none; padding: 0px; color: "
+                                       "#000000; font-weight: bold; background: #F0F0F0; }"
+                                       "QToolButton:hover{ border: none; padding: 0px; color: "
+                                       "#EEEEEE; font-weight: bold; background: #E81123}");
+    connect(button_filter_close, SIGNAL(clicked()), parent, SLOT(onFilterCloseClicked()));
+    layout_filter->setSpacing(10);
+    layout_filter->addWidget(label_filter);
+    layout_filter->addWidget(edit_filter);
+    layout_filter->addWidget(label_filter_result);
+    layout_filter->addWidget(button_filter_close);
+    setLayout(layout_filter);
+}
+
+/**
+ * Checks if all words separated by spaces are contained in another string
+ * This offers a word order insensitive search function
+ *
+ * @param String that gets checked if it contains all words of the userinput string
+ * @param String containing all words getting checked
+ * @return true if the haystack contains all words of userinput
+ */
+bool GameList::containsAllWords(QString haystack, QString userinput) {
+    QStringList userinput_split = userinput.split(" ", QString::SplitBehavior::SkipEmptyParts);
+    return std::all_of(userinput_split.begin(), userinput_split.end(),
+                       [haystack](QString s) { return haystack.contains(s); });
+}
+
+// Event in order to filter the gamelist after editing the searchfield
+void GameList::onTextChanged(const QString& newText) {
+    int rowCount = tree_view->model()->rowCount();
+    QString edit_filter_text = newText.toLower();
+
+    QModelIndex root_index = item_model->invisibleRootItem()->index();
+
+    // If the searchfield is empty every item is visible
+    // Otherwise the filter gets applied
+    if (edit_filter_text.isEmpty()) {
+        for (int i = 0; i < rowCount; ++i) {
+            tree_view->setRowHidden(i, root_index, false);
+        }
+        search_field->setFilterResult(rowCount, rowCount);
+    } else {
+        QStandardItem* child_file;
+        QString file_path, file_name, file_title, file_programmid;
+        int result_count = 0;
+        for (int i = 0; i < rowCount; ++i) {
+            child_file = item_model->item(i, 0);
+            file_path = child_file->data(GameListItemPath::FullPathRole).toString().toLower();
+            file_name = file_path.mid(file_path.lastIndexOf("/") + 1);
+            file_title = child_file->data(GameListItemPath::TitleRole).toString().toLower();
+            file_programmid =
+                child_file->data(GameListItemPath::ProgramIdRole).toString().toLower();
+
+            // Only items which filename in combination with its title contains all words
+            // that are in the searchfiel will be visible in the gamelist
+            // The search is case insensitive because of toLower()
+            // I decided not to use Qt::CaseInsensitive in containsAllWords to prevent
+            // multiple conversions of edit_filter_text for each game in the gamelist
+            if (containsAllWords(file_name.append(" ").append(file_title), edit_filter_text) ||
+                (file_programmid.count() == 16 && edit_filter_text.contains(file_programmid))) {
+                tree_view->setRowHidden(i, root_index, false);
+                ++result_count;
+            } else {
+                tree_view->setRowHidden(i, root_index, true);
+            }
+            search_field->setFilterResult(result_count, rowCount);
+        }
+    }
+}
+
+void GameList::onFilterCloseClicked() {
+    main_window->filterBarSetChecked(false);
+}
+
+GameList::GameList(GMainWindow* parent) : QWidget{parent} {
+    watcher = new QFileSystemWatcher(this);
+    connect(watcher, &QFileSystemWatcher::directoryChanged, this, &GameList::RefreshGameDirectory);
+
+    this->main_window = parent;
+    layout = new QVBoxLayout;
+    tree_view = new QTreeView;
+    search_field = new SearchField(this);
+    item_model = new QStandardItemModel(tree_view);
+    tree_view->setModel(item_model);
+
+    tree_view->setAlternatingRowColors(true);
+    tree_view->setSelectionMode(QHeaderView::SingleSelection);
+    tree_view->setSelectionBehavior(QHeaderView::SelectRows);
+    tree_view->setVerticalScrollMode(QHeaderView::ScrollPerPixel);
+    tree_view->setHorizontalScrollMode(QHeaderView::ScrollPerPixel);
+    tree_view->setSortingEnabled(true);
+    tree_view->setEditTriggers(QHeaderView::NoEditTriggers);
+    tree_view->setUniformRowHeights(true);
+    tree_view->setContextMenuPolicy(Qt::CustomContextMenu);
+
+    item_model->insertColumns(0, COLUMN_COUNT);
+    item_model->setHeaderData(COLUMN_NAME, Qt::Horizontal, "Name");
+    item_model->setHeaderData(COLUMN_FILE_TYPE, Qt::Horizontal, "File type");
+    item_model->setHeaderData(COLUMN_SIZE, Qt::Horizontal, "Size");
+
+    connect(tree_view, &QTreeView::activated, this, &GameList::ValidateEntry);
+    connect(tree_view, &QTreeView::customContextMenuRequested, this, &GameList::PopupContextMenu);
+
+    // We must register all custom types with the Qt Automoc system so that we are able to use it
+    // with signals/slots. In this case, QList falls under the umbrells of custom types.
+    qRegisterMetaType<QList<QStandardItem*>>("QList<QStandardItem*>");
+
+    layout->setContentsMargins(0, 0, 0, 0);
+    layout->setSpacing(0);
+    layout->addWidget(tree_view);
+    layout->addWidget(search_field);
+    setLayout(layout);
+}
+
+GameList::~GameList() {
+    emit ShouldCancelWorker();
+}
+
+void GameList::setFilterFocus() {
+    if (tree_view->model()->rowCount() > 0) {
+        search_field->setFocus();
+    }
+}
+
+void GameList::setFilterVisible(bool visibility) {
+    search_field->setVisible(visibility);
+}
+
+void GameList::clearFilter() {
+    search_field->clear();
+}
+
+void GameList::AddEntry(const QList<QStandardItem*>& entry_items) {
+    item_model->invisibleRootItem()->appendRow(entry_items);
+}
+
+void GameList::ValidateEntry(const QModelIndex& item) {
+    // We don't care about the individual QStandardItem that was selected, but its row.
+    int row = item_model->itemFromIndex(item)->row();
+    QStandardItem* child_file = item_model->invisibleRootItem()->child(row, COLUMN_NAME);
+    QString file_path = child_file->data(GameListItemPath::FullPathRole).toString();
+
+    if (file_path.isEmpty())
+        return;
+    std::string std_file_path(file_path.toStdString());
+    if (!FileUtil::Exists(std_file_path) || FileUtil::IsDirectory(std_file_path))
+        return;
+    // Users usually want to run a diffrent game after closing one
+    search_field->clear();
+    emit GameChosen(file_path);
+}
+
+void GameList::DonePopulating(QStringList watch_list) {
+    // Clear out the old directories to watch for changes and add the new ones
+    auto watch_dirs = watcher->directories();
+    if (!watch_dirs.isEmpty()) {
+        watcher->removePaths(watch_dirs);
+    }
+    // Workaround: Add the watch paths in chunks to allow the gui to refresh
+    // This prevents the UI from stalling when a large number of watch paths are added
+    // Also artificially caps the watcher to a certain number of directories
+    constexpr int LIMIT_WATCH_DIRECTORIES = 5000;
+    constexpr int SLICE_SIZE = 25;
+    int len = std::min(watch_list.length(), LIMIT_WATCH_DIRECTORIES);
+    for (int i = 0; i < len; i += SLICE_SIZE) {
+        watcher->addPaths(watch_list.mid(i, i + SLICE_SIZE));
+        QCoreApplication::processEvents();
+    }
+    tree_view->setEnabled(true);
+    int rowCount = tree_view->model()->rowCount();
+    search_field->setFilterResult(rowCount, rowCount);
+    if (rowCount > 0) {
+        search_field->setFocus();
+    }
+}
+
+void GameList::PopupContextMenu(const QPoint& menu_location) {
+    QModelIndex item = tree_view->indexAt(menu_location);
+    if (!item.isValid())
+        return;
+
+    int row = item_model->itemFromIndex(item)->row();
+    QStandardItem* child_file = item_model->invisibleRootItem()->child(row, COLUMN_NAME);
+    u64 program_id = child_file->data(GameListItemPath::ProgramIdRole).toULongLong();
+
+    QMenu context_menu;
+    QAction* open_save_location = context_menu.addAction(tr("Open Save Data Location"));
+    open_save_location->setEnabled(program_id != 0);
+    connect(open_save_location, &QAction::triggered,
+            [&]() { emit OpenSaveFolderRequested(program_id); });
+    context_menu.exec(tree_view->viewport()->mapToGlobal(menu_location));
+}
+
+void GameList::PopulateAsync(const QString& dir_path, bool deep_scan) {
+    if (!FileUtil::Exists(dir_path.toStdString()) ||
+        !FileUtil::IsDirectory(dir_path.toStdString())) {
+        LOG_ERROR(Frontend, "Could not find game list folder at %s", dir_path.toLocal8Bit().data());
+        search_field->setFilterResult(0, 0);
+        return;
+    }
+
+    tree_view->setEnabled(false);
+    // Delete any rows that might already exist if we're repopulating
+    item_model->removeRows(0, item_model->rowCount());
+
+    emit ShouldCancelWorker();
+
+    GameListWorker* worker = new GameListWorker(dir_path, deep_scan);
+
+    connect(worker, &GameListWorker::EntryReady, this, &GameList::AddEntry, Qt::QueuedConnection);
+    connect(worker, &GameListWorker::Finished, this, &GameList::DonePopulating,
+            Qt::QueuedConnection);
+    // Use DirectConnection here because worker->Cancel() is thread-safe and we want it to cancel
+    // without delay.
+    connect(this, &GameList::ShouldCancelWorker, worker, &GameListWorker::Cancel,
+            Qt::DirectConnection);
+
+    QThreadPool::globalInstance()->start(worker);
+    current_worker = std::move(worker);
+}
+
+void GameList::SaveInterfaceLayout() {
+    UISettings::values.gamelist_header_state = tree_view->header()->saveState();
+}
+
+void GameList::LoadInterfaceLayout() {
+    auto header = tree_view->header();
+    if (!header->restoreState(UISettings::values.gamelist_header_state)) {
+        // We are using the name column to display icons and titles
+        // so make it as large as possible as default.
+        header->resizeSection(COLUMN_NAME, header->width());
+    }
+
+    item_model->sort(header->sortIndicatorSection(), header->sortIndicatorOrder());
+}
+
+const QStringList GameList::supported_file_extensions = {"3ds", "3dsx", "elf", "axf",
+                                                         "cci", "cxi",  "app"};
+
+static bool HasSupportedFileExtension(const std::string& file_name) {
+    QFileInfo file = QFileInfo(file_name.c_str());
+    return GameList::supported_file_extensions.contains(file.suffix(), Qt::CaseInsensitive);
+}
+
+void GameList::RefreshGameDirectory() {
+    if (!UISettings::values.gamedir.isEmpty() && current_worker != nullptr) {
+        LOG_INFO(Frontend, "Change detected in the games directory. Reloading game list.");
+        search_field->clear();
+        PopulateAsync(UISettings::values.gamedir, UISettings::values.gamedir_deepscan);
+    }
+}
+
+void GameListWorker::AddFstEntriesToGameList(const std::string& dir_path, unsigned int recursion) {
+    const auto callback = [this, recursion](unsigned* num_entries_out, const std::string& directory,
+                                            const std::string& virtual_name) -> bool {
+        std::string physical_name = directory + DIR_SEP + virtual_name;
+
+        if (stop_processing)
+            return false; // Breaks the callback loop.
+
+        bool is_dir = FileUtil::IsDirectory(physical_name);
+        if (!is_dir && HasSupportedFileExtension(physical_name)) {
+            std::unique_ptr<Loader::AppLoader> loader = Loader::GetLoader(physical_name);
+            if (!loader)
+                return true;
+
+            std::vector<u8> smdh;
+            loader->ReadIcon(smdh);
+
+            u64 program_id = 0;
+            loader->ReadProgramId(program_id);
+
+            emit EntryReady({
+                new GameListItemPath(QString::fromStdString(physical_name), smdh, program_id),
+                new GameListItem(
+                    QString::fromStdString(Loader::GetFileTypeString(loader->GetFileType()))),
+                new GameListItemSize(FileUtil::GetSize(physical_name)),
+            });
+        } else if (is_dir && recursion > 0) {
+            watch_list.append(QString::fromStdString(physical_name));
+            AddFstEntriesToGameList(physical_name, recursion - 1);
+        }
+
+        return true;
+    };
+
+    FileUtil::ForeachDirectoryEntry(nullptr, dir_path, callback);
+}
+
+void GameListWorker::run() {
+    stop_processing = false;
+    watch_list.append(dir_path);
+    AddFstEntriesToGameList(dir_path.toStdString(), deep_scan ? 256 : 0);
+    emit Finished(watch_list);
+}
+
+void GameListWorker::Cancel() {
+    this->disconnect();
+    stop_processing = true;
+}