23 files changed, 356 insertions, 35 deletions

diff --git a/src/citra_qt/config.cpp b/src/citra_qt/configuration/config.cpp
index 5fe57dfa2..0b9b73f9e 100644
--- a/src/citra_qt/config.cpp
+++ b/src/citra_qt/configuration/config.cpp
@@ -3,9 +3,10 @@
 // Refer to the license.txt file included.
 
 #include <QSettings>
-#include "citra_qt/config.h"
+#include "citra_qt/configuration/config.h"
 #include "citra_qt/ui_settings.h"
 #include "common/file_util.h"
+#include "input_common/main.h"
 
 Config::Config() {
     // TODO: Don't hardcode the path; let the frontend decide where to put the config files.
@@ -16,25 +17,46 @@ Config::Config() {
     Reload();
 }
 
-const std::array<QVariant, Settings::NativeInput::NUM_INPUTS> Config::defaults = {
-    // directly mapped keys
-    Qt::Key_A, Qt::Key_S, Qt::Key_Z, Qt::Key_X, Qt::Key_Q, Qt::Key_W, Qt::Key_1, Qt::Key_2,
-    Qt::Key_M, Qt::Key_N, Qt::Key_B, Qt::Key_T, Qt::Key_G, Qt::Key_F, Qt::Key_H, Qt::Key_I,
-    Qt::Key_K, Qt::Key_J, Qt::Key_L,
-
-    // indirectly mapped keys
-    Qt::Key_Up, Qt::Key_Down, Qt::Key_Left, Qt::Key_Right, Qt::Key_D,
+const std::array<int, Settings::NativeButton::NumButtons> Config::default_buttons = {
+    Qt::Key_A, Qt::Key_S, Qt::Key_Z, Qt::Key_X, Qt::Key_T, Qt::Key_G, Qt::Key_F, Qt::Key_H,
+    Qt::Key_Q, Qt::Key_W, Qt::Key_M, Qt::Key_N, Qt::Key_1, Qt::Key_2, Qt::Key_B,
 };
 
+const std::array<std::array<int, 5>, Settings::NativeAnalog::NumAnalogs> Config::default_analogs{{
+    {
+        Qt::Key_Up, Qt::Key_Down, Qt::Key_Left, Qt::Key_Right, Qt::Key_D,
+    },
+    {
+        Qt::Key_I, Qt::Key_K, Qt::Key_J, Qt::Key_L, Qt::Key_D,
+    },
+}};
+
 void Config::ReadValues() {
     qt_config->beginGroup("Controls");
-    for (int i = 0; i < Settings::NativeInput::NUM_INPUTS; ++i) {
-        Settings::values.input_mappings[Settings::NativeInput::All[i]] =
-            qt_config->value(QString::fromStdString(Settings::NativeInput::Mapping[i]), defaults[i])
-                .toInt();
+    for (int i = 0; i < Settings::NativeButton::NumButtons; ++i) {
+        std::string default_param = InputCommon::GenerateKeyboardParam(default_buttons[i]);
+        Settings::values.buttons[i] =
+            qt_config
+                ->value(Settings::NativeButton::mapping[i], QString::fromStdString(default_param))
+                .toString()
+                .toStdString();
+        if (Settings::values.buttons[i].empty())
+            Settings::values.buttons[i] = default_param;
+    }
+
+    for (int i = 0; i < Settings::NativeAnalog::NumAnalogs; ++i) {
+        std::string default_param = InputCommon::GenerateAnalogParamFromKeys(
+            default_analogs[i][0], default_analogs[i][1], default_analogs[i][2],
+            default_analogs[i][3], default_analogs[i][4], 0.5f);
+        Settings::values.analogs[i] =
+            qt_config
+                ->value(Settings::NativeAnalog::mapping[i], QString::fromStdString(default_param))
+                .toString()
+                .toStdString();
+        if (Settings::values.analogs[i].empty())
+            Settings::values.analogs[i] = default_param;
     }
-    Settings::values.pad_circle_modifier_scale =
-        qt_config->value("pad_circle_modifier_scale", 0.5).toFloat();
+
     qt_config->endGroup();
 
     qt_config->beginGroup("Core");
@@ -57,6 +79,15 @@ void Config::ReadValues() {
     Settings::values.layout_option =
         static_cast<Settings::LayoutOption>(qt_config->value("layout_option").toInt());
     Settings::values.swap_screen = qt_config->value("swap_screen", false).toBool();
+    Settings::values.custom_layout = qt_config->value("custom_layout", false).toBool();
+    Settings::values.custom_top_left = qt_config->value("custom_top_left", 0).toInt();
+    Settings::values.custom_top_top = qt_config->value("custom_top_top", 0).toInt();
+    Settings::values.custom_top_right = qt_config->value("custom_top_right", 400).toInt();
+    Settings::values.custom_top_bottom = qt_config->value("custom_top_bottom", 240).toInt();
+    Settings::values.custom_bottom_left = qt_config->value("custom_bottom_left", 40).toInt();
+    Settings::values.custom_bottom_top = qt_config->value("custom_bottom_top", 240).toInt();
+    Settings::values.custom_bottom_right = qt_config->value("custom_bottom_right", 360).toInt();
+    Settings::values.custom_bottom_bottom = qt_config->value("custom_bottom_bottom", 480).toInt();
     qt_config->endGroup();
 
     qt_config->beginGroup("Audio");
@@ -155,12 +186,14 @@ void Config::ReadValues() {
 
 void Config::SaveValues() {
     qt_config->beginGroup("Controls");
-    for (int i = 0; i < Settings::NativeInput::NUM_INPUTS; ++i) {
-        qt_config->setValue(QString::fromStdString(Settings::NativeInput::Mapping[i]),
-                            Settings::values.input_mappings[Settings::NativeInput::All[i]]);
+    for (int i = 0; i < Settings::NativeButton::NumButtons; ++i) {
+        qt_config->setValue(QString::fromStdString(Settings::NativeButton::mapping[i]),
+                            QString::fromStdString(Settings::values.buttons[i]));
+    }
+    for (int i = 0; i < Settings::NativeAnalog::NumAnalogs; ++i) {
+        qt_config->setValue(QString::fromStdString(Settings::NativeAnalog::mapping[i]),
+                            QString::fromStdString(Settings::values.analogs[i]));
     }
-    qt_config->setValue("pad_circle_modifier_scale",
-                        (double)Settings::values.pad_circle_modifier_scale);
     qt_config->endGroup();
 
     qt_config->beginGroup("Core");
@@ -183,6 +216,15 @@ void Config::SaveValues() {
     qt_config->beginGroup("Layout");
     qt_config->setValue("layout_option", static_cast<int>(Settings::values.layout_option));
     qt_config->setValue("swap_screen", Settings::values.swap_screen);
+    qt_config->setValue("custom_layout", Settings::values.custom_layout);
+    qt_config->setValue("custom_top_left", Settings::values.custom_top_left);
+    qt_config->setValue("custom_top_top", Settings::values.custom_top_top);
+    qt_config->setValue("custom_top_right", Settings::values.custom_top_right);
+    qt_config->setValue("custom_top_bottom", Settings::values.custom_top_bottom);
+    qt_config->setValue("custom_bottom_left", Settings::values.custom_bottom_left);
+    qt_config->setValue("custom_bottom_top", Settings::values.custom_bottom_top);
+    qt_config->setValue("custom_bottom_right", Settings::values.custom_bottom_right);
+    qt_config->setValue("custom_bottom_bottom", Settings::values.custom_bottom_bottom);
     qt_config->endGroup();
 
     qt_config->beginGroup("Audio");
diff --git a/src/citra_qt/config.h b/src/citra_qt/configuration/config.h
index 79c901804..cbf745ea2 100644
--- a/src/citra_qt/config.h
+++ b/src/citra_qt/configuration/config.h
@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <array>
 #include <string>
 #include <QVariant>
 #include "core/settings.h"
@@ -23,5 +24,7 @@ public:
 
     void Reload();
     void Save();
-    static const std::array<QVariant, Settings::NativeInput::NUM_INPUTS> defaults;
+
+    static const std::array<int, Settings::NativeButton::NumButtons> default_buttons;
+    static const std::array<std::array<int, 5>, Settings::NativeAnalog::NumAnalogs> default_analogs;
 };
diff --git a/src/citra_qt/configure.ui b/src/citra_qt/configuration/configure.ui
index 28b4a3b90..85e206e42 100644
--- a/src/citra_qt/configure.ui
+++ b/src/citra_qt/configuration/configure.ui
@@ -64,37 +64,37 @@
   <customwidget>
    <class>ConfigureGeneral</class>
    <extends>QWidget</extends>
-   <header>configure_general.h</header>
+   <header>configuration/configure_general.h</header>
    <container>1</container>
   </customwidget>
   <customwidget>
    <class>ConfigureSystem</class>
    <extends>QWidget</extends>
-   <header>configure_system.h</header>
+   <header>configuration/configure_system.h</header>
    <container>1</container>
   </customwidget>
   <customwidget>
    <class>ConfigureAudio</class>
    <extends>QWidget</extends>
-   <header>configure_audio.h</header>
+   <header>configuration/configure_audio.h</header>
    <container>1</container>
   </customwidget>
   <customwidget>
    <class>ConfigureDebug</class>
    <extends>QWidget</extends>
-   <header>configure_debug.h</header>
+   <header>configuration/configure_debug.h</header>
    <container>1</container>
   </customwidget>
   <customwidget>
    <class>ConfigureInput</class>
    <extends>QWidget</extends>
-   <header>configure_input.h</header>
+   <header>configuration/configure_input.h</header>
    <container>1</container>
   </customwidget>
   <customwidget>
    <class>ConfigureGraphics</class>
    <extends>QWidget</extends>
-   <header>configure_graphics.h</header>
+   <header>configuration/configure_graphics.h</header>
    <container>1</container>
   </customwidget>
  </customwidgets>
diff --git a/src/citra_qt/configure_audio.cpp b/src/citra_qt/configuration/configure_audio.cpp
index 3ddcf9232..3fd1d127a 100644
--- a/src/citra_qt/configure_audio.cpp
+++ b/src/citra_qt/configuration/configure_audio.cpp
@@ -6,7 +6,7 @@
 #include "audio_core/audio_core.h"
 #include "audio_core/sink.h"
 #include "audio_core/sink_details.h"
-#include "citra_qt/configure_audio.h"
+#include "citra_qt/configuration/configure_audio.h"
 #include "core/settings.h"
 #include "ui_configure_audio.h"
 
diff --git a/src/citra_qt/configure_audio.h b/src/citra_qt/configuration/configure_audio.h
index 8190e694f..8190e694f 100644
--- a/src/citra_qt/configure_audio.h
+++ b/src/citra_qt/configuration/configure_audio.h
diff --git a/src/citra_qt/configure_audio.ui b/src/citra_qt/configuration/configure_audio.ui
index dd870eb61..dd870eb61 100644
--- a/src/citra_qt/configure_audio.ui
+++ b/src/citra_qt/configuration/configure_audio.ui
diff --git a/src/citra_qt/configure_debug.cpp b/src/citra_qt/configuration/configure_debug.cpp
index dcc398eee..263f73f38 100644
--- a/src/citra_qt/configure_debug.cpp
+++ b/src/citra_qt/configuration/configure_debug.cpp
@@ -2,7 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "citra_qt/configure_debug.h"
+#include "citra_qt/configuration/configure_debug.h"
 #include "core/settings.h"
 #include "ui_configure_debug.h"
 
diff --git a/src/citra_qt/configure_debug.h b/src/citra_qt/configuration/configure_debug.h
index d167eb996..d167eb996 100644
--- a/src/citra_qt/configure_debug.h
+++ b/src/citra_qt/configuration/configure_debug.h
diff --git a/src/citra_qt/configure_debug.ui b/src/citra_qt/configuration/configure_debug.ui
index bbbb0e3f4..bbbb0e3f4 100644
--- a/src/citra_qt/configure_debug.ui
+++ b/src/citra_qt/configuration/configure_debug.ui
diff --git a/src/citra_qt/configure_dialog.cpp b/src/citra_qt/configuration/configure_dialog.cpp
index 525a7cc4e..dfc8c03a7 100644
--- a/src/citra_qt/configure_dialog.cpp
+++ b/src/citra_qt/configuration/configure_dialog.cpp
@@ -2,8 +2,8 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "citra_qt/config.h"
-#include "citra_qt/configure_dialog.h"
+#include "citra_qt/configuration/config.h"
+#include "citra_qt/configuration/configure_dialog.h"
 #include "core/settings.h"
 #include "ui_configure.h"
 
diff --git a/src/citra_qt/configure_dialog.h b/src/citra_qt/configuration/configure_dialog.h
index 21fa1f501..21fa1f501 100644
--- a/src/citra_qt/configure_dialog.h
+++ b/src/citra_qt/configuration/configure_dialog.h
diff --git a/src/citra_qt/configure_general.cpp b/src/citra_qt/configuration/configure_general.cpp
index ac90a6df4..a21176c34 100644
--- a/src/citra_qt/configure_general.cpp
+++ b/src/citra_qt/configuration/configure_general.cpp
@@ -2,7 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "citra_qt/configure_general.h"
+#include "citra_qt/configuration/configure_general.h"
 #include "citra_qt/ui_settings.h"
 #include "core/core.h"
 #include "core/settings.h"
diff --git a/src/citra_qt/configure_general.h b/src/citra_qt/configuration/configure_general.h
index 447552d8c..447552d8c 100644
--- a/src/citra_qt/configure_general.h
+++ b/src/citra_qt/configuration/configure_general.h
diff --git a/src/citra_qt/configure_general.ui b/src/citra_qt/configuration/configure_general.ui
index c739605a4..c739605a4 100644
--- a/src/citra_qt/configure_general.ui
+++ b/src/citra_qt/configuration/configure_general.ui
diff --git a/src/citra_qt/configure_graphics.cpp b/src/citra_qt/configuration/configure_graphics.cpp
index 54f799b47..b5a5ab1e1 100644
--- a/src/citra_qt/configure_graphics.cpp
+++ b/src/citra_qt/configuration/configure_graphics.cpp
@@ -2,7 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "citra_qt/configure_graphics.h"
+#include "citra_qt/configuration/configure_graphics.h"
 #include "core/core.h"
 #include "core/settings.h"
 #include "ui_configure_graphics.h"
@@ -14,6 +14,8 @@ ConfigureGraphics::ConfigureGraphics(QWidget* parent)
     this->setConfiguration();
 
     ui->toggle_vsync->setEnabled(!Core::System::GetInstance().IsPoweredOn());
+
+    ui->layoutBox->setEnabled(!Settings::values.custom_layout);
 }
 
 ConfigureGraphics::~ConfigureGraphics() {}
diff --git a/src/citra_qt/configure_graphics.h b/src/citra_qt/configuration/configure_graphics.h
index 5497a55f7..5497a55f7 100644
--- a/src/citra_qt/configure_graphics.h
+++ b/src/citra_qt/configuration/configure_graphics.h
diff --git a/src/citra_qt/configure_graphics.ui b/src/citra_qt/configuration/configure_graphics.ui
index a091f4c60..228f2a869 100644
--- a/src/citra_qt/configure_graphics.ui
+++ b/src/citra_qt/configuration/configure_graphics.ui
@@ -126,7 +126,7 @@
     </layout>
    </item>
    <item>
-    <widget class="QGroupBox" name="groupBox2">
+    <widget class="QGroupBox" name="layoutBox">
      <property name="title">
       <string>Layout</string>
      </property>
diff --git a/src/citra_qt/configuration/configure_input.cpp b/src/citra_qt/configuration/configure_input.cpp
new file mode 100644
index 000000000..daac9b63a
--- /dev/null
+++ b/src/citra_qt/configuration/configure_input.cpp
@@ -0,0 +1,205 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <memory>
+#include <utility>
+#include <QTimer>
+#include "citra_qt/configuration/config.h"
+#include "citra_qt/configuration/configure_input.h"
+#include "common/param_package.h"
+#include "input_common/main.h"
+
+const std::array<std::string, ConfigureInput::ANALOG_SUB_BUTTONS_NUM>
+    ConfigureInput::analog_sub_buttons{{
+        "up", "down", "left", "right", "modifier",
+    }};
+
+static QString getKeyName(int key_code) {
+    switch (key_code) {
+    case Qt::Key_Shift:
+        return QObject::tr("Shift");
+    case Qt::Key_Control:
+        return QObject::tr("Ctrl");
+    case Qt::Key_Alt:
+        return QObject::tr("Alt");
+    case Qt::Key_Meta:
+        return "";
+    default:
+        return QKeySequence(key_code).toString();
+    }
+}
+
+static void SetButtonKey(int key, Common::ParamPackage& button_param) {
+    button_param = Common::ParamPackage{InputCommon::GenerateKeyboardParam(key)};
+}
+
+static void SetAnalogKey(int key, Common::ParamPackage& analog_param,
+                         const std::string& button_name) {
+    if (analog_param.Get("engine", "") != "analog_from_button") {
+        analog_param = {
+            {"engine", "analog_from_button"}, {"modifier_scale", "0.5"},
+        };
+    }
+    analog_param.Set(button_name, InputCommon::GenerateKeyboardParam(key));
+}
+
+ConfigureInput::ConfigureInput(QWidget* parent)
+    : QWidget(parent), ui(std::make_unique<Ui::ConfigureInput>()),
+      timer(std::make_unique<QTimer>()) {
+
+    ui->setupUi(this);
+    setFocusPolicy(Qt::ClickFocus);
+
+    button_map = {
+        ui->buttonA,        ui->buttonB,        ui->buttonX,         ui->buttonY,  ui->buttonDpadUp,
+        ui->buttonDpadDown, ui->buttonDpadLeft, ui->buttonDpadRight, ui->buttonL,  ui->buttonR,
+        ui->buttonStart,    ui->buttonSelect,   ui->buttonZL,        ui->buttonZR, ui->buttonHome,
+    };
+
+    analog_map = {{
+        {
+            ui->buttonCircleUp, ui->buttonCircleDown, ui->buttonCircleLeft, ui->buttonCircleRight,
+            ui->buttonCircleMod,
+        },
+        {
+            ui->buttonCStickUp, ui->buttonCStickDown, ui->buttonCStickLeft, ui->buttonCStickRight,
+            nullptr,
+        },
+    }};
+
+    for (int button_id = 0; button_id < Settings::NativeButton::NumButtons; button_id++) {
+        if (button_map[button_id])
+            connect(button_map[button_id], &QPushButton::released, [=]() {
+                handleClick(button_map[button_id],
+                            [=](int key) { SetButtonKey(key, buttons_param[button_id]); });
+            });
+    }
+
+    for (int analog_id = 0; analog_id < Settings::NativeAnalog::NumAnalogs; analog_id++) {
+        for (int sub_button_id = 0; sub_button_id < ANALOG_SUB_BUTTONS_NUM; sub_button_id++) {
+            if (analog_map[analog_id][sub_button_id] != nullptr) {
+                connect(analog_map[analog_id][sub_button_id], &QPushButton::released, [=]() {
+                    handleClick(analog_map[analog_id][sub_button_id], [=](int key) {
+                        SetAnalogKey(key, analogs_param[analog_id],
+                                     analog_sub_buttons[sub_button_id]);
+                    });
+                });
+            }
+        }
+    }
+
+    connect(ui->buttonRestoreDefaults, &QPushButton::released, [this]() { restoreDefaults(); });
+
+    timer->setSingleShot(true);
+    connect(timer.get(), &QTimer::timeout, [this]() {
+        releaseKeyboard();
+        releaseMouse();
+        key_setter = boost::none;
+        updateButtonLabels();
+    });
+
+    this->loadConfiguration();
+
+    // TODO(wwylele): enable these when the input emulation for them is implemented
+    ui->buttonZL->setEnabled(false);
+    ui->buttonZR->setEnabled(false);
+    ui->buttonHome->setEnabled(false);
+    ui->buttonCStickUp->setEnabled(false);
+    ui->buttonCStickDown->setEnabled(false);
+    ui->buttonCStickLeft->setEnabled(false);
+    ui->buttonCStickRight->setEnabled(false);
+}
+
+void ConfigureInput::applyConfiguration() {
+    std::transform(buttons_param.begin(), buttons_param.end(), Settings::values.buttons.begin(),
+                   [](const Common::ParamPackage& param) { return param.Serialize(); });
+    std::transform(analogs_param.begin(), analogs_param.end(), Settings::values.analogs.begin(),
+                   [](const Common::ParamPackage& param) { return param.Serialize(); });
+
+    Settings::Apply();
+}
+
+void ConfigureInput::loadConfiguration() {
+    std::transform(Settings::values.buttons.begin(), Settings::values.buttons.end(),
+                   buttons_param.begin(),
+                   [](const std::string& str) { return Common::ParamPackage(str); });
+    std::transform(Settings::values.analogs.begin(), Settings::values.analogs.end(),
+                   analogs_param.begin(),
+                   [](const std::string& str) { return Common::ParamPackage(str); });
+    updateButtonLabels();
+}
+
+void ConfigureInput::restoreDefaults() {
+    for (int button_id = 0; button_id < Settings::NativeButton::NumButtons; button_id++) {
+        SetButtonKey(Config::default_buttons[button_id], buttons_param[button_id]);
+    }
+
+    for (int analog_id = 0; analog_id < Settings::NativeAnalog::NumAnalogs; analog_id++) {
+        for (int sub_button_id = 0; sub_button_id < ANALOG_SUB_BUTTONS_NUM; sub_button_id++) {
+            SetAnalogKey(Config::default_analogs[analog_id][sub_button_id],
+                         analogs_param[analog_id], analog_sub_buttons[sub_button_id]);
+        }
+    }
+    updateButtonLabels();
+    applyConfiguration();
+}
+
+void ConfigureInput::updateButtonLabels() {
+    QString non_keyboard(tr("[non-keyboard]"));
+
+    auto KeyToText = [&non_keyboard](const Common::ParamPackage& param) {
+        if (param.Get("engine", "") != "keyboard") {
+            return non_keyboard;
+        } else {
+            return getKeyName(param.Get("code", 0));
+        }
+    };
+
+    for (int button = 0; button < Settings::NativeButton::NumButtons; button++) {
+        button_map[button]->setText(KeyToText(buttons_param[button]));
+    }
+
+    for (int analog_id = 0; analog_id < Settings::NativeAnalog::NumAnalogs; analog_id++) {
+        if (analogs_param[analog_id].Get("engine", "") != "analog_from_button") {
+            for (QPushButton* button : analog_map[analog_id]) {
+                if (button)
+                    button->setText(non_keyboard);
+            }
+        } else {
+            for (int sub_button_id = 0; sub_button_id < ANALOG_SUB_BUTTONS_NUM; sub_button_id++) {
+                Common::ParamPackage param(
+                    analogs_param[analog_id].Get(analog_sub_buttons[sub_button_id], ""));
+                if (analog_map[analog_id][sub_button_id])
+                    analog_map[analog_id][sub_button_id]->setText(KeyToText(param));
+            }
+        }
+    }
+}
+
+void ConfigureInput::handleClick(QPushButton* button, std::function<void(int)> new_key_setter) {
+    button->setText(tr("[press key]"));
+    button->setFocus();
+
+    key_setter = new_key_setter;
+
+    grabKeyboard();
+    grabMouse();
+    timer->start(5000); // Cancel after 5 seconds
+}
+
+void ConfigureInput::keyPressEvent(QKeyEvent* event) {
+    releaseKeyboard();
+    releaseMouse();
+
+    if (!key_setter || !event)
+        return;
+
+    if (event->key() != Qt::Key_Escape)
+        (*key_setter)(event->key());
+
+    updateButtonLabels();
+    key_setter = boost::none;
+    timer->stop();
+}
diff --git a/src/citra_qt/configuration/configure_input.h b/src/citra_qt/configuration/configure_input.h
new file mode 100644
index 000000000..c950fbcb4
--- /dev/null
+++ b/src/citra_qt/configuration/configure_input.h
@@ -0,0 +1,69 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <functional>
+#include <memory>
+#include <string>
+#include <QKeyEvent>
+#include <QWidget>
+#include <boost/optional.hpp>
+#include "common/param_package.h"
+#include "core/settings.h"
+#include "ui_configure_input.h"
+
+class QPushButton;
+class QString;
+class QTimer;
+
+namespace Ui {
+class ConfigureInput;
+}
+
+class ConfigureInput : public QWidget {
+    Q_OBJECT
+
+public:
+    explicit ConfigureInput(QWidget* parent = nullptr);
+
+    /// Save all button configurations to settings file
+    void applyConfiguration();
+
+private:
+    std::unique_ptr<Ui::ConfigureInput> ui;
+
+    std::unique_ptr<QTimer> timer;
+
+    /// This will be the the setting function when an input is awaiting configuration.
+    boost::optional<std::function<void(int)>> key_setter;
+
+    std::array<Common::ParamPackage, Settings::NativeButton::NumButtons> buttons_param;
+    std::array<Common::ParamPackage, Settings::NativeAnalog::NumAnalogs> analogs_param;
+
+    static constexpr int ANALOG_SUB_BUTTONS_NUM = 5;
+
+    /// Each button input is represented by a QPushButton.
+    std::array<QPushButton*, Settings::NativeButton::NumButtons> button_map;
+
+    /// Each analog input is represented by five QPushButtons which represents up, down, left, right
+    /// and modifier
+    std::array<std::array<QPushButton*, ANALOG_SUB_BUTTONS_NUM>, Settings::NativeAnalog::NumAnalogs>
+        analog_map;
+
+    static const std::array<std::string, ANALOG_SUB_BUTTONS_NUM> analog_sub_buttons;
+
+    /// Load configuration settings.
+    void loadConfiguration();
+    /// Restore all buttons to their default values.
+    void restoreDefaults();
+    /// Update UI to reflect current configuration.
+    void updateButtonLabels();
+
+    /// Called when the button was pressed.
+    void handleClick(QPushButton* button, std::function<void(int)> new_key_setter);
+    /// Handle key press events.
+    void keyPressEvent(QKeyEvent* event) override;
+};
diff --git a/src/citra_qt/configure_input.ui b/src/citra_qt/configuration/configure_input.ui
index 2760787e5..2760787e5 100644
--- a/src/citra_qt/configure_input.ui
+++ b/src/citra_qt/configuration/configure_input.ui
diff --git a/src/citra_qt/configure_system.cpp b/src/citra_qt/configuration/configure_system.cpp
index 040185e82..a3a9015a4 100644
--- a/src/citra_qt/configure_system.cpp
+++ b/src/citra_qt/configuration/configure_system.cpp
@@ -2,7 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
-#include "citra_qt/configure_system.h"
+#include "citra_qt/configuration/configure_system.h"
 #include "citra_qt/ui_settings.h"
 #include "core/core.h"
 #include "core/hle/service/cfg/cfg.h"
diff --git a/src/citra_qt/configure_system.h b/src/citra_qt/configuration/configure_system.h
index db0ead13c..db0ead13c 100644
--- a/src/citra_qt/configure_system.h
+++ b/src/citra_qt/configuration/configure_system.h
diff --git a/src/citra_qt/configure_system.ui b/src/citra_qt/configuration/configure_system.ui
index cc54fa37f..cc54fa37f 100644
--- a/src/citra_qt/configure_system.ui
+++ b/src/citra_qt/configuration/configure_system.ui