Allow file drops

desktop-client/main.py

@@ -24,6 +24,7 @@ class VlcSyncApp(QMainWindow):
             
         self.setMinimumSize(900, 600)
         self.resize(1100, 700)
+        self.setAcceptDrops(True)
 
         # Main stacked widget to switch between Lobby and Room
         self.stacked_widget = QStackedWidget()
@@ -362,19 +363,38 @@ class VlcSyncApp(QMainWindow):
     def on_volume_changed(self, value):
         self.vlc_player.set_volume(value)
 
+    def _set_local_file(self, file_path: str):
+        self.local_file_path = file_path
+        self.local_file_name = os.path.basename(file_path)
+        self.local_file_size = os.path.getsize(file_path)
+        
+        size_mb = self.local_file_size / (1024 * 1024)
+        self.create_file_info.setText(f"{self.local_file_name}\n{size_mb:.1f} MB")
+        self.create_file_info.show()
+        self.check_inputs()
+
     def select_file(self):
         file_path, _ = QFileDialog.getOpenFileName(
             self, "Select Video File", "", "Video Files (*.mp4 *.mkv *.avi *.mov *.webm);;All Files (*)"
         )
         if file_path:
-            self.local_file_path = file_path
-            self.local_file_name = os.path.basename(file_path)
-            self.local_file_size = os.path.getsize(file_path)
-            
-            size_mb = self.local_file_size / (1024 * 1024)
-            self.create_file_info.setText(f"{self.local_file_name}\n{size_mb:.1f} MB")
-            self.create_file_info.show()
-            self.check_inputs()
+            self._set_local_file(file_path)
+
+    def dragEnterEvent(self, event):
+        if event.mimeData().hasUrls():
+            event.accept()
+        else:
+            event.ignore()
+
+    def dropEvent(self, event):
+        if self.stacked_widget.currentIndex() == 0:
+            for url in event.mimeData().urls():
+                file_path = url.toLocalFile()
+                if os.path.isfile(file_path):
+                    ext = os.path.splitext(file_path)[1].lower()
+                    if ext in ['.mp4', '.mkv', '.avi', '.mov', '.webm']:
+                        self._set_local_file(file_path)
+                        break
 
     def copy_room_code(self):
         if self.room_code: