Preloader for load games

portprotonqt/main_window.py

@@ -14,6 +14,7 @@ from portprotonqt.custom_widgets import ClickableLabel, AutoSizeButton, NavLabel
 from portprotonqt.portproton_api import PortProtonAPI
 from portprotonqt.input_manager import InputManager
 from portprotonqt.context_menu_manager import ContextMenuManager, CustomLineEdit
+from portprotonqt.preloader import Preloader
 from portprotonqt.system_overlay import SystemOverlay
 from portprotonqt.input_manager import GamepadType
 
@@ -219,6 +220,17 @@ class MainWindow(QMainWindow):
                 self.resize(width, height)
             else:
                 self.showNormal()
+        self._preloader = Preloader(parent=self)
+        self._update_preloader_position()
+
+    def _update_preloader_position(self):
+        if self._preloader:
+            self._preloader.move(self.rect().center() - self._preloader.rect().center())
+
+    def _close_preloader(self):
+        if self._preloader:
+            self._preloader.close()
+            self._preloader = None
 
     def on_slider_released(self) -> None:
         """Delegate to game library manager."""
@@ -434,6 +446,7 @@ class MainWindow(QMainWindow):
     def on_games_loaded(self, games: list[tuple]):
         self.game_library_manager.set_games(games)
         self.progress_bar.setVisible(False)
+        self._close_preloader()
 
     def open_portproton_forum_topic(self, topic_name: str):
         """Open the PortProton forum topic or search page for this game."""
@@ -775,6 +788,7 @@ class MainWindow(QMainWindow):
             self._last_width = self.width()
         if abs(self.width() - self._last_width) > 10:
             self._last_width = self.width()
+        self._update_preloader_position()
 
 
     def dragEnterEvent(self, event):