1 files changed, 149 insertions, 0 deletions

diff --git a/src/citra_qt/configure_input.cpp b/src/citra_qt/configure_input.cpp
new file mode 100644
index 000000000..9c7a67174
--- /dev/null
+++ b/src/citra_qt/configure_input.cpp
@@ -0,0 +1,149 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <memory>
+#include <utility>
+#include <QTimer>
+
+#include "citra_qt/configure_input.h"
+
+ConfigureInput::ConfigureInput(QWidget* parent) : QWidget(parent), ui(std::make_unique<Ui::ConfigureInput>()) {
+    ui->setupUi(this);
+
+    // Initialize mapping of input enum to UI button.
+    input_mapping = {
+        { std::make_pair(Settings::NativeInput::Values::A, ui->buttonA) },
+        { std::make_pair(Settings::NativeInput::Values::B, ui->buttonB) },
+        { std::make_pair(Settings::NativeInput::Values::X, ui->buttonX) },
+        { std::make_pair(Settings::NativeInput::Values::Y, ui->buttonY) },
+        { std::make_pair(Settings::NativeInput::Values::L, ui->buttonL) },
+        { std::make_pair(Settings::NativeInput::Values::R, ui->buttonR) },
+        { std::make_pair(Settings::NativeInput::Values::ZL, ui->buttonZL) },
+        { std::make_pair(Settings::NativeInput::Values::ZR, ui->buttonZR) },
+        { std::make_pair(Settings::NativeInput::Values::START, ui->buttonStart) },
+        { std::make_pair(Settings::NativeInput::Values::SELECT, ui->buttonSelect) },
+        { std::make_pair(Settings::NativeInput::Values::HOME, ui->buttonHome) },
+        { std::make_pair(Settings::NativeInput::Values::DUP, ui->buttonDpadUp) },
+        { std::make_pair(Settings::NativeInput::Values::DDOWN, ui->buttonDpadDown) },
+        { std::make_pair(Settings::NativeInput::Values::DLEFT, ui->buttonDpadLeft) },
+        { std::make_pair(Settings::NativeInput::Values::DRIGHT, ui->buttonDpadRight) },
+        { std::make_pair(Settings::NativeInput::Values::CUP, ui->buttonCStickUp) },
+        { std::make_pair(Settings::NativeInput::Values::CDOWN, ui->buttonCStickDown) },
+        { std::make_pair(Settings::NativeInput::Values::CLEFT, ui->buttonCStickLeft) },
+        { std::make_pair(Settings::NativeInput::Values::CRIGHT, ui->buttonCStickRight) },
+        { std::make_pair(Settings::NativeInput::Values::CIRCLE_UP, ui->buttonCircleUp) },
+        { std::make_pair(Settings::NativeInput::Values::CIRCLE_DOWN, ui->buttonCircleDown) },
+        { std::make_pair(Settings::NativeInput::Values::CIRCLE_LEFT, ui->buttonCircleLeft) },
+        { std::make_pair(Settings::NativeInput::Values::CIRCLE_RIGHT, ui->buttonCircleRight) },
+        { std::make_pair(Settings::NativeInput::Values::CIRCLE_MODIFIER, ui->buttonCircleMod) },
+    };
+
+    // Attach handle click method to each button click.
+    for (const auto& entry : input_mapping) {
+        connect(entry.second, SIGNAL(released()), this, SLOT(handleClick()));
+    }
+    connect(ui->buttonRestoreDefaults, SIGNAL(released()), this, SLOT(restoreDefaults()));
+    setFocusPolicy(Qt::ClickFocus);
+    timer = new QTimer(this);
+    timer->setSingleShot(true);
+    connect(timer, &QTimer::timeout, this, [&]() { key_pressed = Qt::Key_Escape; setKey(); });
+    this->setConfiguration();
+}
+
+void ConfigureInput::handleClick() {
+    QPushButton* sender = qobject_cast<QPushButton*>(QObject::sender());
+    previous_mapping = sender->text();
+    sender->setText(tr("[waiting]"));
+    sender->setFocus();
+    grabKeyboard();
+    grabMouse();
+    changing_button = sender;
+    timer->start(5000); //Cancel after 5 seconds
+}
+
+void ConfigureInput::applyConfiguration() {
+    for (int i = 0; i < Settings::NativeInput::NUM_INPUTS; ++i) {
+        int value = getKeyValue(input_mapping[Settings::NativeInput::Values(i)]->text());
+        Settings::values.input_mappings[Settings::NativeInput::All[i]] = value;
+    }
+    Settings::Apply();
+}
+
+void ConfigureInput::setConfiguration() {
+    for (int i = 0; i < Settings::NativeInput::NUM_INPUTS; ++i) {
+        QString keyValue = getKeyName(Settings::values.input_mappings[i]);
+        input_mapping[Settings::NativeInput::Values(i)]->setText(keyValue);
+    }
+}
+
+void ConfigureInput::keyPressEvent(QKeyEvent* event) {
+    if (!changing_button)
+        return;
+    if (!event || event->key() == Qt::Key_unknown)
+        return;
+    key_pressed = event->key();
+    timer->stop();
+    setKey();
+}
+
+void ConfigureInput::setKey() {
+    const QString key_value = getKeyName(key_pressed);
+    if (key_pressed == Qt::Key_Escape)
+        changing_button->setText(previous_mapping);
+    else
+        changing_button->setText(key_value);
+    removeDuplicates(key_value);
+    key_pressed = Qt::Key_unknown;
+    releaseKeyboard();
+    releaseMouse();
+    changing_button = nullptr;
+    previous_mapping = nullptr;
+}
+
+QString ConfigureInput::getKeyName(int key_code) const {
+    if (key_code == Qt::Key_Shift)
+        return tr("Shift");
+    if (key_code == Qt::Key_Control)
+        return tr("Ctrl");
+    if (key_code == Qt::Key_Alt)
+        return tr("Alt");
+    if (key_code == Qt::Key_Meta)
+        return "";
+    if (key_code == -1)
+        return "";
+
+    return QKeySequence(key_code).toString();
+}
+
+Qt::Key ConfigureInput::getKeyValue(const QString& text) const {
+    if (text == "Shift")
+        return Qt::Key_Shift;
+    if (text == "Ctrl")
+        return Qt::Key_Control;
+    if (text == "Alt")
+        return Qt::Key_Alt;
+    if (text == "Meta")
+        return Qt::Key_unknown;
+    if (text == "")
+        return Qt::Key_unknown;
+
+    return Qt::Key(QKeySequence(text)[0]);
+}
+
+void ConfigureInput::removeDuplicates(const QString& newValue) {
+    for (int i = 0; i < Settings::NativeInput::NUM_INPUTS; ++i) {
+        if (changing_button != input_mapping[Settings::NativeInput::Values(i)]) {
+            const QString oldValue = input_mapping[Settings::NativeInput::Values(i)]->text();
+            if (newValue == oldValue)
+                input_mapping[Settings::NativeInput::Values(i)]->setText("");
+        }
+    }
+}
+
+void ConfigureInput::restoreDefaults() {
+    for (int i = 0; i < Settings::NativeInput::NUM_INPUTS; ++i) {
+        const QString keyValue = getKeyName(Config::defaults[i].toInt());
+        input_mapping[Settings::NativeInput::Values(i)]->setText(keyValue);
+    }
+}