citra_qt: Add a game region column

src/core/loader/smdh.cpp

@@ -48,4 +48,20 @@ std::array<u16, 0x40> SMDH::GetShortTitle(Loader::SMDH::TitleLanguage language)
     return titles[static_cast<int>(language)].short_title;
 }
 
+SMDH::GameRegion SMDH::GetRegion() const {
+    if (region_lockout == 0x7fffffff) {
+        return GameRegion::RegionFree;
+    }
+
+    constexpr u32 REGION_COUNT = 7;
+    u32 region = 0;
+    for (; region < REGION_COUNT; ++region) {
+        if (region_lockout & (1 << region)) {
+            return static_cast<GameRegion>(region);
+        }
+    }
+
+    return GameRegion::Invalid;
+}
+
 } // namespace Loader

src/core/loader/smdh.h

@@ -62,6 +62,18 @@ struct SMDH {
         TraditionalChinese = 11
     };
 
+    enum class GameRegion {
+        Invalid = -1,
+        Japan = 0,
+        NorthAmerica = 1,
+        Europe = 2,
+        Australia = 3,
+        China = 4,
+        Korea = 5,
+        Taiwan = 6,
+        RegionFree = 7,
+    };
+
     /**
      * Gets game icon from SMDH
      * @param large If true, returns large icon (48x48), otherwise returns small icon (24x24)
@@ -75,6 +87,8 @@ struct SMDH {
      * @return UTF-16 array of the short title
      */
     std::array<u16, 0x40> GetShortTitle(Loader::SMDH::TitleLanguage language) const;
+
+    GameRegion GetRegion() const;
 };
 static_assert(sizeof(SMDH) == 0x36C0, "SMDH structure size is wrong");