- Gui rewrite.

- Gui: Bug fixes and cleanup.
- Gui: Performance improvement (loading, resizing...etc)
- Added a simple PKG Viewer(Settings-> Utils -> PKG Viewer), added pkg folders will be saved.
- PKG Viewer: Shows game info(name, id, region...etc)
- PKG Viewer: Right click -> Install PKG to install/extract a game. Patch installation is also possible.
- Added option to dump game list  (Settings -> Utils -> Dump Game List), will be dumped to emu folder GameList.txt

src/qt_gui/game_list_utils.h

@@ -14,12 +14,23 @@ public:
         static const QStringList suffixes = {"B", "KB", "MB", "GB", "TB"};
         int suffixIndex = 0;
 
-        while (size >= 1024 && suffixIndex < suffixes.size() - 1) {
-            size /= 1024;
+        double gameSize = static_cast<double>(size);
+        while (gameSize >= 1024 && suffixIndex < suffixes.size() - 1) {
+            gameSize /= 1024;
             ++suffixIndex;
         }
 
-        return QString("%1 %2").arg(size).arg(suffixes[suffixIndex]);
+        // Format the size with a specified precision
+        QString sizeString;
+        if (gameSize < 10.0) {
+            sizeString = QString::number(gameSize, 'f', 2);
+        } else if (gameSize < 100.0) {
+            sizeString = QString::number(gameSize, 'f', 1);
+        } else {
+            sizeString = QString::number(gameSize, 'f', 0);
+        }
+
+        return sizeString + " " + suffixes[suffixIndex];
     }
 
     static QString GetFolderSize(const QDir& dir) {
@@ -32,7 +43,7 @@ public:
             if (it.fileInfo().isFile()) {
                 total += it.fileInfo().size();
             }
-            it.next();
+            it.next(); // this is heavy.
         }
 
         // if there is a file left "at the end" get it's size