feat(file-explorer): add automatic scrolling for drives layout

Signed-off-by: Boris Yumankulov <boria138@altlinux.org>

portprotonqt/dialogs.py

@@ -298,6 +298,17 @@ class FileExplorer(QDialog):
         except Exception as e:
             logger.error(f"Error navigating to parent directory: {e}")
 
+    def ensure_button_visible(self, button):
+        """Ensure the specified button is visible in the drives_scroll area."""
+        try:
+            if not button or not self.drives_scroll:
+                return
+            # Ensure the button is visible in the scroll area
+            self.drives_scroll.ensureWidgetVisible(button, 50, 50)
+            logger.debug(f"Ensured button {button.text()} is visible in drives_scroll")
+        except Exception as e:
+            logger.error(f"Error ensuring button visible: {e}")
+
     def update_drives_list(self):
         """Обновление списка смонтированных дисков и избранных папок."""
         for i in reversed(range(self.drives_layout.count())):

portprotonqt/input_manager.py

@@ -256,14 +256,17 @@ class InputManager(QObject):
                 if not isinstance(focused_widget, AutoSizeButton) or focused_widget not in self.file_explorer.drive_buttons:
                     # If not focused on a drive button, focus the first one
                     self.file_explorer.drive_buttons[0].setFocus()
+                    self.file_explorer.ensure_button_visible(self.file_explorer.drive_buttons[0])
                     return
                 current_idx = self.file_explorer.drive_buttons.index(focused_widget)
                 if value < 0:  # Left
                     next_idx = max(current_idx - 1, 0)
                     self.file_explorer.drive_buttons[next_idx].setFocus()
+                    self.file_explorer.ensure_button_visible(self.file_explorer.drive_buttons[next_idx])
                 elif value > 0:  # Right
                     next_idx = min(current_idx + 1, len(self.file_explorer.drive_buttons) - 1)
                     self.file_explorer.drive_buttons[next_idx].setFocus()
+                    self.file_explorer.ensure_button_visible(self.file_explorer.drive_buttons[next_idx])
             elif code in (ecodes.ABS_HAT0Y, ecodes.ABS_Y):
                 if isinstance(focused_widget, AutoSizeButton) and focused_widget in self.file_explorer.drive_buttons:
                     # Move focus to file list if navigating down from drive buttons