8 files changed, 450 insertions, 4 deletions

diff --git a/src/citra_qt/CMakeLists.txt b/src/citra_qt/CMakeLists.txt
index 43a766053..017b43871 100644
--- a/src/citra_qt/CMakeLists.txt
+++ b/src/citra_qt/CMakeLists.txt
@@ -22,6 +22,7 @@ set(SRCS
             configure_debug.cpp
             configure_dialog.cpp
             configure_general.cpp
+            configure_system.cpp
             game_list.cpp
             hotkeys.cpp
             main.cpp
@@ -52,6 +53,7 @@ set(HEADERS
             configure_debug.h
             configure_dialog.h
             configure_general.h
+            configure_system.h
             game_list.h
             game_list_p.h
             hotkeys.h
@@ -69,6 +71,7 @@ set(UIS
             configure_audio.ui
             configure_debug.ui
             configure_general.ui
+            configure_system.ui
             hotkeys.ui
             main.ui
             )
diff --git a/src/citra_qt/configure.ui b/src/citra_qt/configure.ui
index e1624bbef..4a9c52650 100644
--- a/src/citra_qt/configure.ui
+++ b/src/citra_qt/configure.ui
@@ -24,6 +24,11 @@
        <string>General</string>
       </attribute>
      </widget>
+     <widget class="ConfigureSystem" name="systemTab">
+      <attribute name="title">
+       <string>System</string>
+      </attribute>
+     </widget>
      <widget class="QWidget" name="inputTab">
       <attribute name="title">
        <string>Input</string>
@@ -58,6 +63,12 @@
    <container>1</container>
   </customwidget>
   <customwidget>
+   <class>ConfigureSystem</class>
+   <extends>QWidget</extends>
+   <header>configure_system.h</header>
+   <container>1</container>
+  </customwidget>
+  <customwidget>
    <class>ConfigureAudio</class>
    <extends>QWidget</extends>
    <header>configure_audio.h</header>
diff --git a/src/citra_qt/configure_dialog.cpp b/src/citra_qt/configure_dialog.cpp
index 2f0317fe0..77c266d01 100644
--- a/src/citra_qt/configure_dialog.cpp
+++ b/src/citra_qt/configure_dialog.cpp
@@ -9,9 +9,10 @@
 
 #include "core/settings.h"
 
-ConfigureDialog::ConfigureDialog(QWidget *parent) :
+ConfigureDialog::ConfigureDialog(QWidget *parent, bool running) :
     QDialog(parent),
-    ui(new Ui::ConfigureDialog)
+    ui(new Ui::ConfigureDialog),
+    emulation_running(running)
 {
     ui->setupUi(this);
     this->setConfiguration();
@@ -21,10 +22,14 @@ ConfigureDialog::~ConfigureDialog() {
 }
 
 void ConfigureDialog::setConfiguration() {
+    // System tab needs set manually
+    // depending on whether emulation is running
+    ui->systemTab->setConfiguration(emulation_running);
 }
 
 void ConfigureDialog::applyConfiguration() {
     ui->generalTab->applyConfiguration();
+    ui->systemTab->applyConfiguration();
     ui->audioTab->applyConfiguration();
     ui->debugTab->applyConfiguration();
 }
diff --git a/src/citra_qt/configure_dialog.h b/src/citra_qt/configure_dialog.h
index 89020eeb4..305b33bdf 100644
--- a/src/citra_qt/configure_dialog.h
+++ b/src/citra_qt/configure_dialog.h
@@ -16,7 +16,7 @@ class ConfigureDialog : public QDialog
     Q_OBJECT
 
 public:
-    explicit ConfigureDialog(QWidget *parent = nullptr);
+    explicit ConfigureDialog(QWidget *parent, bool emulation_running);
     ~ConfigureDialog();
 
     void applyConfiguration();
@@ -26,4 +26,5 @@ private:
 
 private:
     std::unique_ptr<Ui::ConfigureDialog> ui;
+    bool emulation_running;
 };
diff --git a/src/citra_qt/configure_system.cpp b/src/citra_qt/configure_system.cpp
new file mode 100644
index 000000000..4f0d4dbfe
--- /dev/null
+++ b/src/citra_qt/configure_system.cpp
@@ -0,0 +1,136 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "citra_qt/configure_system.h"
+#include "citra_qt/ui_settings.h"
+#include "ui_configure_system.h"
+
+#include "core/hle/service/fs/archive.h"
+#include "core/hle/service/cfg/cfg.h"
+
+static const std::array<int, 12> days_in_month = {{
+    31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
+}};
+
+ConfigureSystem::ConfigureSystem(QWidget *parent) :
+    QWidget(parent),
+    ui(new Ui::ConfigureSystem) {
+    ui->setupUi(this);
+
+    connect(ui->combo_birthmonth, SIGNAL(currentIndexChanged(int)), SLOT(updateBirthdayComboBox(int)));
+}
+
+ConfigureSystem::~ConfigureSystem() {
+}
+
+void ConfigureSystem::setConfiguration(bool emulation_running) {
+    enabled = !emulation_running;
+
+    if (!enabled) {
+        ReadSystemSettings();
+        ui->group_system_settings->setEnabled(false);
+    } else {
+        // This tab is enabled only when game is not running (i.e. all service are not initialized).
+        // Temporarily register archive types and load the config savegame file to memory.
+        Service::FS::RegisterArchiveTypes();
+        ResultCode result = Service::CFG::LoadConfigNANDSaveFile();
+        Service::FS::UnregisterArchiveTypes();
+
+        if (result.IsError()) {
+            ui->label_disable_info->setText(tr("Failed to load system settings data."));
+            ui->group_system_settings->setEnabled(false);
+            enabled = false;
+            return;
+        }
+
+        ReadSystemSettings();
+        ui->label_disable_info->hide();
+    }
+}
+
+void ConfigureSystem::ReadSystemSettings() {
+    // set username
+    username = Service::CFG::GetUsername();
+    // ui->edit_username->setText(QString::fromStdU16String(username)); // TODO(wwylele): Use this when we move to Qt 5.5
+    ui->edit_username->setText(QString::fromUtf16(reinterpret_cast<const ushort*>(username.data())));
+
+    // set birthday
+    std::tie(birthmonth, birthday) = Service::CFG::GetBirthday();
+    ui->combo_birthmonth->setCurrentIndex(birthmonth - 1);
+    ui->combo_birthday->setCurrentIndex(birthday - 1);
+
+    // set system language
+    language_index = Service::CFG::GetSystemLanguage();
+    ui->combo_language->setCurrentIndex(language_index);
+
+    // set sound output mode
+    sound_index = Service::CFG::GetSoundOutputMode();
+    ui->combo_sound->setCurrentIndex(sound_index);
+}
+
+void ConfigureSystem::applyConfiguration() {
+    if (!enabled)
+        return;
+
+    bool modified = false;
+
+    // apply username
+    // std::u16string new_username = ui->edit_username->text().toStdU16String(); // TODO(wwylele): Use this when we move to Qt 5.5
+    std::u16string new_username(reinterpret_cast<const char16_t*>(ui->edit_username->text().utf16()));
+    if (new_username != username) {
+        Service::CFG::SetUsername(new_username);
+        modified = true;
+    }
+
+    // apply birthday
+    int new_birthmonth = ui->combo_birthmonth->currentIndex() + 1;
+    int new_birthday = ui->combo_birthday->currentIndex() + 1;
+    if (birthmonth != new_birthmonth || birthday != new_birthday) {
+        Service::CFG::SetBirthday(new_birthmonth, new_birthday);
+        modified = true;
+    }
+
+    // apply language
+    int new_language = ui->combo_language->currentIndex();
+    if (language_index != new_language) {
+        Service::CFG::SetSystemLanguage(static_cast<Service::CFG::SystemLanguage>(new_language));
+        modified = true;
+    }
+
+    // apply sound
+    int new_sound = ui->combo_sound->currentIndex();
+    if (sound_index != new_sound) {
+        Service::CFG::SetSoundOutputMode(static_cast<Service::CFG::SoundOutputMode>(new_sound));
+        modified = true;
+    }
+
+    // update the config savegame if any item is modified.
+    if (modified)
+        Service::CFG::UpdateConfigNANDSavegame();
+}
+
+void ConfigureSystem::updateBirthdayComboBox(int birthmonth_index) {
+    if (birthmonth_index < 0 || birthmonth_index >= 12)
+        return;
+
+    // store current day selection
+    int birthday_index = ui->combo_birthday->currentIndex();
+
+    // get number of days in the new selected month
+    int days = days_in_month[birthmonth_index];
+
+    // if the selected day is out of range,
+    // reset it to 1st
+    if (birthday_index < 0 || birthday_index >= days)
+        birthday_index = 0;
+
+    // update the day combo box
+    ui->combo_birthday->clear();
+    for (int i = 1; i <= days; ++i) {
+        ui->combo_birthday->addItem(QString::number(i));
+    }
+
+    // restore the day selection
+    ui->combo_birthday->setCurrentIndex(birthday_index);
+}
diff --git a/src/citra_qt/configure_system.h b/src/citra_qt/configure_system.h
new file mode 100644
index 000000000..1f5577070
--- /dev/null
+++ b/src/citra_qt/configure_system.h
@@ -0,0 +1,38 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <QWidget>
+
+namespace Ui {
+class ConfigureSystem;
+}
+
+class ConfigureSystem : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit ConfigureSystem(QWidget *parent = nullptr);
+    ~ConfigureSystem();
+
+    void applyConfiguration();
+    void setConfiguration(bool emulation_running);
+
+public slots:
+    void updateBirthdayComboBox(int birthmonth_index);
+
+private:
+    void ReadSystemSettings();
+
+    std::unique_ptr<Ui::ConfigureSystem> ui;
+    bool enabled;
+
+    std::u16string username;
+    int birthmonth, birthday;
+    int language_index;
+    int sound_index;
+};
diff --git a/src/citra_qt/configure_system.ui b/src/citra_qt/configure_system.ui
new file mode 100644
index 000000000..6a906b61b
--- /dev/null
+++ b/src/citra_qt/configure_system.ui
@@ -0,0 +1,252 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ConfigureSystem</class>
+ <widget class="QWidget" name="ConfigureSystem">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>360</width>
+    <height>377</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QHBoxLayout" name="horizontalLayout">
+   <item>
+    <layout class="QVBoxLayout" name="verticalLayout">
+     <item>
+      <widget class="QGroupBox" name="group_system_settings">
+       <property name="title">
+        <string>System Settings</string>
+       </property>
+       <layout class="QGridLayout" name="gridLayout">
+        <item row="0" column="0">
+         <widget class="QLabel" name="label_username">
+          <property name="text">
+           <string>Username</string>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="1">
+         <widget class="QLineEdit" name="edit_username">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="maxLength">
+           <number>10</number>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="0">
+         <widget class="QLabel" name="label_birthday">
+          <property name="text">
+           <string>Birthday</string>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="1">
+         <layout class="QHBoxLayout" name="horizontalLayout_birthday2">
+          <item>
+           <widget class="QComboBox" name="combo_birthmonth">
+            <item>
+             <property name="text">
+              <string>January</string>
+             </property>
+            </item>
+            <item>
+             <property name="text">
+              <string>February</string>
+             </property>
+            </item>
+            <item>
+             <property name="text">
+              <string>March</string>
+             </property>
+            </item>
+            <item>
+             <property name="text">
+              <string>April</string>
+             </property>
+            </item>
+            <item>
+             <property name="text">
+              <string>May</string>
+             </property>
+            </item>
+            <item>
+             <property name="text">
+              <string>June</string>
+             </property>
+            </item>
+            <item>
+             <property name="text">
+              <string>July</string>
+             </property>
+            </item>
+            <item>
+             <property name="text">
+              <string>August</string>
+             </property>
+            </item>
+            <item>
+             <property name="text">
+              <string>September</string>
+             </property>
+            </item>
+            <item>
+             <property name="text">
+              <string>October</string>
+             </property>
+            </item>
+            <item>
+             <property name="text">
+              <string>November</string>
+             </property>
+            </item>
+            <item>
+             <property name="text">
+              <string>December</string>
+             </property>
+            </item>
+           </widget>
+          </item>
+          <item>
+           <widget class="QComboBox" name="combo_birthday"/>
+          </item>
+         </layout>
+        </item>
+        <item row="2" column="0">
+         <widget class="QLabel" name="label_language">
+          <property name="text">
+           <string>Language</string>
+          </property>
+         </widget>
+        </item>
+        <item row="2" column="1">
+         <widget class="QComboBox" name="combo_language">
+          <item>
+           <property name="text">
+            <string>Japanese (日本語)</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>English</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>French (français)</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>German (Deutsch)</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Italian (italiano)</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Spanish (español)</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Simplified Chinese (简体中文)</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Korean (한국어)</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Dutch (Nederlands)</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Portuguese (português)</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Russian (Русский)</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Traditional Chinese (正體中文)</string>
+           </property>
+          </item>
+         </widget>
+        </item>
+        <item row="3" column="0">
+         <widget class="QLabel" name="label_sound">
+          <property name="text">
+           <string>Sound output mode</string>
+          </property>
+         </widget>
+        </item>
+        <item row="3" column="1">
+         <widget class="QComboBox" name="combo_sound">
+          <item>
+           <property name="text">
+            <string>Mono</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Stereo</string>
+           </property>
+          </item>
+          <item>
+           <property name="text">
+            <string>Surround</string>
+           </property>
+          </item>
+         </widget>
+        </item>
+       </layout>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="label_disable_info">
+       <property name="text">
+        <string>System settings are available only when game is not running.</string>
+       </property>
+       <property name="wordWrap">
+        <bool>true</bool>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <spacer name="verticalSpacer">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>20</width>
+         <height>40</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/src/citra_qt/main.cpp b/src/citra_qt/main.cpp
index 0ed1ffa5a..6fe5d7a3f 100644
--- a/src/citra_qt/main.cpp
+++ b/src/citra_qt/main.cpp
@@ -508,7 +508,7 @@ void GMainWindow::ToggleWindowMode() {
 }
 
 void GMainWindow::OnConfigure() {
-    ConfigureDialog configureDialog(this);
+    ConfigureDialog configureDialog(this, emulation_running);
     auto result = configureDialog.exec();
     if (result == QDialog::Accepted)
     {