qt: Add Profile Manager UI to system settings

src/yuzu/configuration/configure_system.cpp

@@ -2,7 +2,12 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include <QGraphicsItem>
+#include <QList>
 #include <QMessageBox>
+#include <qinputdialog.h>
+#include "common/common_paths.h"
+#include "common/logging/backend.h"
 #include "core/core.h"
 #include "core/settings.h"
 #include "ui_configure_system.h"
@@ -24,6 +29,17 @@ static const std::array<int, 12> days_in_month = {{
     31,
 }};
 
+// Same backup JPEG used by acc IProfile::GetImage if no jpeg found
+static constexpr std::array<u8, 107> backup_jpeg{
+    0xff, 0xd8, 0xff, 0xdb, 0x00, 0x43, 0x00, 0x03, 0x02, 0x02, 0x02, 0x02, 0x02, 0x03, 0x02, 0x02,
+    0x02, 0x03, 0x03, 0x03, 0x03, 0x04, 0x06, 0x04, 0x04, 0x04, 0x04, 0x04, 0x08, 0x06, 0x06, 0x05,
+    0x06, 0x09, 0x08, 0x0a, 0x0a, 0x09, 0x08, 0x09, 0x09, 0x0a, 0x0c, 0x0f, 0x0c, 0x0a, 0x0b, 0x0e,
+    0x0b, 0x09, 0x09, 0x0d, 0x11, 0x0d, 0x0e, 0x0f, 0x10, 0x10, 0x11, 0x10, 0x0a, 0x0c, 0x12, 0x13,
+    0x12, 0x10, 0x13, 0x0f, 0x10, 0x10, 0x10, 0xff, 0xc9, 0x00, 0x0b, 0x08, 0x00, 0x01, 0x00, 0x01,
+    0x01, 0x01, 0x11, 0x00, 0xff, 0xcc, 0x00, 0x06, 0x00, 0x10, 0x10, 0x05, 0xff, 0xda, 0x00, 0x08,
+    0x01, 0x01, 0x00, 0x00, 0x3f, 0x00, 0xd2, 0xcf, 0x20, 0xff, 0xd9,
+};
+
 ConfigureSystem::ConfigureSystem(QWidget* parent) : QWidget(parent), ui(new Ui::ConfigureSystem) {
     ui->setupUi(this);
     connect(ui->combo_birthmonth,
@@ -32,6 +48,44 @@ ConfigureSystem::ConfigureSystem(QWidget* parent) : QWidget(parent), ui(new Ui::
     connect(ui->button_regenerate_console_id, &QPushButton::clicked, this,
             &ConfigureSystem::refreshConsoleID);
 
+    layout = new QVBoxLayout;
+    tree_view = new QTreeView;
+    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->setIconSize({64, 64});
+    tree_view->setContextMenuPolicy(Qt::NoContextMenu);
+
+    item_model->insertColumns(0, 1);
+    item_model->setHeaderData(0, Qt::Horizontal, "Users");
+
+    // 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);
+
+    ui->scrollArea->setLayout(layout);
+
+    connect(tree_view, &QTreeView::clicked, this, &ConfigureSystem::SelectUser);
+
+    connect(ui->pm_add, &QPushButton::pressed, this, &ConfigureSystem::AddUser);
+    connect(ui->pm_rename, &QPushButton::pressed, this, &ConfigureSystem::RenameUser);
+    connect(ui->pm_remove, &QPushButton::pressed, this, &ConfigureSystem::DeleteUser);
+
+    scene = new QGraphicsScene;
+    ui->current_user_icon->setScene(scene);
+
     this->setConfiguration();
 }
 
@@ -39,8 +93,51 @@ ConfigureSystem::~ConfigureSystem() = default;
 
 void ConfigureSystem::setConfiguration() {
     enabled = !Core::System::GetInstance().IsPoweredOn();
-    ui->edit_username->setText(QString::fromStdString(Settings::values.username));
+
     ui->combo_language->setCurrentIndex(Settings::values.language_index);
+
+    item_model->removeRows(0, item_model->rowCount());
+    list_items.clear();
+
+    std::transform(Settings::values.users.begin(), Settings::values.users.end(),
+                   std::back_inserter(list_items),
+                   [](const std::pair<std::string, Service::Account::UUID>& user) {
+                       const auto icon_url = QString::fromStdString(
+                           FileUtil::GetUserPath(FileUtil::UserPath::ConfigDir) + "users" +
+                           DIR_SEP + user.first + ".jpg");
+                       QPixmap icon{icon_url};
+
+                       if (!icon) {
+                           icon.fill(QColor::fromRgb(0, 0, 0));
+                           icon.loadFromData(backup_jpeg.data(), backup_jpeg.size());
+                       }
+
+                       return QList{new QStandardItem{
+                           icon.scaled(64, 64, Qt::IgnoreAspectRatio, Qt::SmoothTransformation),
+                           QString::fromStdString(user.first + "\n" + user.second.Format())}};
+                   });
+
+    for (const auto& item : list_items)
+        item_model->appendRow(item);
+
+    UpdateCurrentUser();
+}
+
+void ConfigureSystem::UpdateCurrentUser() {
+    const auto& current_user = Settings::values.users[Settings::values.current_user];
+    const auto icon_url =
+        QString::fromStdString(FileUtil::GetUserPath(FileUtil::UserPath::ConfigDir) + "users" +
+                               DIR_SEP + current_user.first + ".jpg");
+    QPixmap icon{icon_url};
+
+    if (!icon) {
+        icon.fill(QColor::fromRgb(0, 0, 0));
+        icon.loadFromData(backup_jpeg.data(), backup_jpeg.size());
+    }
+
+    scene->clear();
+    scene->addPixmap(icon.scaled(48, 48, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
+    ui->current_user_username->setText(QString::fromStdString(current_user.first));
 }
 
 void ConfigureSystem::ReadSystemSettings() {}
@@ -48,7 +145,7 @@ void ConfigureSystem::ReadSystemSettings() {}
 void ConfigureSystem::applyConfiguration() {
     if (!enabled)
         return;
-    Settings::values.username = ui->edit_username->text().toStdString();
+
     Settings::values.language_index = ui->combo_language->currentIndex();
     Settings::Apply();
 }
@@ -92,3 +189,67 @@ void ConfigureSystem::refreshConsoleID() {
     ui->label_console_id->setText(
         tr("Console ID: 0x%1").arg(QString::number(console_id, 16).toUpper()));
 }
+
+void ConfigureSystem::SelectUser(const QModelIndex& index) {
+    Settings::values.current_user =
+        std::clamp<std::size_t>(index.row(), 0, Settings::values.users.size() - 1);
+
+    UpdateCurrentUser();
+
+    if (Settings::values.users.size() >= 2)
+        ui->pm_remove->setEnabled(true);
+    else
+        ui->pm_remove->setEnabled(false);
+
+    ui->pm_rename->setEnabled(true);
+}
+
+void ConfigureSystem::AddUser() {
+    Service::Account::UUID uuid;
+    uuid.Generate();
+
+    bool ok = false;
+    const auto username =
+        QInputDialog::getText(this, tr("Enter Username"), tr("Enter a username for the new user:"),
+                              QLineEdit::Normal, QString(), &ok);
+
+    Settings::values.users.emplace_back(username.toStdString(), uuid);
+
+    setConfiguration();
+}
+
+void ConfigureSystem::RenameUser() {
+    const auto user = tree_view->currentIndex().row();
+
+    bool ok = false;
+    const auto new_username = QInputDialog::getText(
+        this, tr("Enter Username"), tr("Enter a new username:"), QLineEdit::Normal,
+        QString::fromStdString(Settings::values.users[user].first), &ok);
+
+    if (!ok)
+        return;
+
+    Settings::values.users[user].first = new_username.toStdString();
+
+    setConfiguration();
+}
+
+void ConfigureSystem::DeleteUser() {
+    const auto user = Settings::values.users.begin() + tree_view->currentIndex().row();
+    const auto confirm = QMessageBox::question(
+        this, tr("Confirm Delete"),
+        tr("You are about to delete user with name %1. Are you sure?").arg(user->first.c_str()));
+
+    if (confirm == QMessageBox::No)
+        return;
+
+    if (Settings::values.current_user == tree_view->currentIndex().row())
+        Settings::values.current_user = 0;
+
+    Settings::values.users.erase(user);
+
+    setConfiguration();
+
+    ui->pm_remove->setEnabled(false);
+    ui->pm_rename->setEnabled(false);
+}