ui: translate hat directions

QObject ends up being its own translation context. But this works in our
favor. GetButtonName and GetDirectionName will share one translation the
directions such as "Left" "Right" and the ConfigureInputPlayer context
will contain translations that show up in the form, in places that aren't
those buttons.

src/yuzu/configuration/configure_input_player.cpp

@@ -10,6 +10,7 @@
 #include <QMenu>
 #include <QMessageBox>
 #include <QTimer>
+#include "common/assert.h"
 #include "common/param_package.h"
 #include "core/hid/emulated_controller.h"
 #include "core/hid/hid_core.h"
@@ -119,6 +120,23 @@ QString GetButtonName(Common::Input::ButtonNames button_name) {
     }
 }
 
+QString GetDirectionName(const std::string& direction) {
+    if (direction == "left") {
+        return QObject::tr("Left");
+    }
+    if (direction == "right") {
+        return QObject::tr("Right");
+    }
+    if (direction == "up") {
+        return QObject::tr("Up");
+    }
+    if (direction == "down") {
+        return QObject::tr("Down");
+    }
+    UNIMPLEMENTED_MSG("Unimplemented direction name={}", direction);
+    return QString::fromStdString(direction);
+}
+
 void SetAnalogParam(const Common::ParamPackage& input_param, Common::ParamPackage& analog_param,
                     const std::string& button_name) {
     // The poller returned a complete axis, so set all the buttons
@@ -162,7 +180,7 @@ QString ConfigureInputPlayer::ButtonToText(const Common::ParamPackage& param) {
 
     if (common_button_name == Common::Input::ButtonNames::Value) {
         if (param.Has("hat")) {
-            const QString hat = QString::fromStdString(param.Get("direction", ""));
+            const QString hat = GetDirectionName(param.Get("direction", ""));
             return QObject::tr("%1%2Hat %3").arg(toggle, inverted, hat);
         }
         if (param.Has("axis")) {