1 files changed, 68 insertions, 1 deletions

diff --git a/src/citra_qt/main.cpp b/src/citra_qt/main.cpp
index 4f5b2ddab..8adbcfe86 100644
--- a/src/citra_qt/main.cpp
+++ b/src/citra_qt/main.cpp
@@ -48,6 +48,47 @@
 Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin);
 #endif
 
+/**
+ * "Callouts" are one-time instructional messages shown to the user. In the config settings, there
+ * is a bitfield "callout_flags" options, used to track if a message has already been shown to the
+ * user. This is 32-bits - if we have more than 32 callouts, we should retire and recyle old ones.
+ */
+enum class CalloutFlag : uint32_t {
+    Telemetry = 0x1,
+};
+
+static void ShowCalloutMessage(const QString& message, CalloutFlag flag) {
+    if (UISettings::values.callout_flags & static_cast<uint32_t>(flag)) {
+        return;
+    }
+
+    UISettings::values.callout_flags |= static_cast<uint32_t>(flag);
+
+    QMessageBox msg;
+    msg.setText(message);
+    msg.setStandardButtons(QMessageBox::Ok);
+    msg.setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
+    msg.setStyleSheet("QLabel{min-width: 900px;}");
+    msg.exec();
+}
+
+void GMainWindow::ShowCallouts() {
+    static const QString telemetry_message =
+        tr("To help improve Citra, the Citra Team collects anonymous usage data. No private or "
+           "personally identifying information is collected. This data helps us to understand how "
+           "people use Citra and prioritize our efforts. Furthermore, it helps us to more easily "
+           "identify emulation bugs and performance issues. This data includes:<ul><li>Information"
+           " about the version of Citra you are using</li><li>Performance data about the games you "
+           "play</li><li>Your configuration settings</li><li>Information about your computer "
+           "hardware</li><li>Emulation errors and crash information</li></ul>By default, this "
+           "feature is enabled. To disable this feature, click 'Emulation' from the menu and then "
+           "select 'Configure...'. Then, on the 'Web' tab, uncheck 'Share anonymous usage data with"
+           " the Citra team'. <br/><br/>By using this software, you agree to the above terms.<br/>"
+           "<br/><a href='https://citra-emu.org/entry/telemetry-and-why-thats-a-good-thing/'>Learn "
+           "more</a>");
+    ShowCalloutMessage(telemetry_message, CalloutFlag::Telemetry);
+}
+
 GMainWindow::GMainWindow() : config(new Config()), emu_thread(nullptr) {
     Pica::g_debug_context = Pica::DebugContext::Construct();
     setAcceptDrops(true);
@@ -71,6 +112,11 @@ GMainWindow::GMainWindow() : config(new Config()), emu_thread(nullptr) {
 
     game_list->PopulateAsync(UISettings::values.gamedir, UISettings::values.gamedir_deepscan);
 
+    UpdateUITheme();
+
+    // Show one-time "callout" messages to the user
+    ShowCallouts();
+
     QStringList args = QApplication::arguments();
     if (args.length() >= 2) {
         BootGame(args[1]);
@@ -309,7 +355,7 @@ bool GMainWindow::LoadROM(const QString& filename) {
 
     if (!gladLoadGL()) {
         QMessageBox::critical(this, tr("Error while initializing OpenGL 3.3 Core!"),
-                              tr("Your GPU may not support OpenGL 3.3, or you do not"
+                              tr("Your GPU may not support OpenGL 3.3, or you do not "
                                  "have the latest graphics driver."));
         return false;
     }
@@ -318,6 +364,8 @@ bool GMainWindow::LoadROM(const QString& filename) {
 
     const Core::System::ResultStatus result{system.Load(render_window, filename.toStdString())};
 
+    Core::Telemetry().AddField(Telemetry::FieldType::App, "Frontend", "Qt");
+
     if (result != Core::System::ResultStatus::Success) {
         switch (result) {
         case Core::System::ResultStatus::ErrorGetLoader:
@@ -606,6 +654,7 @@ void GMainWindow::OnConfigure() {
     auto result = configureDialog.exec();
     if (result == QDialog::Accepted) {
         configureDialog.applyConfiguration();
+        UpdateUITheme();
         config->Save();
     }
 }
@@ -791,6 +840,24 @@ void GMainWindow::filterBarSetChecked(bool state) {
     emit(OnToggleFilterBar());
 }
 
+void GMainWindow::UpdateUITheme() {
+    if (UISettings::values.theme != UISettings::themes[0].second) {
+        QString theme_uri(":" + UISettings::values.theme + "/style.qss");
+        QFile f(theme_uri);
+        if (!f.exists()) {
+            LOG_ERROR(Frontend, "Unable to set style, stylesheet file not found");
+        } else {
+            f.open(QFile::ReadOnly | QFile::Text);
+            QTextStream ts(&f);
+            qApp->setStyleSheet(ts.readAll());
+            GMainWindow::setStyleSheet(ts.readAll());
+        }
+    } else {
+        qApp->setStyleSheet("");
+        GMainWindow::setStyleSheet("");
+    }
+}
+
 #ifdef main
 #undef main
 #endif