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()
@@ -362,11 +363,7 @@ class VlcSyncApp(QMainWindow):
     def on_volume_changed(self, value):
         self.vlc_player.set_volume(value)
 
-    def select_file(self):
-        file_path, _ = QFileDialog.getOpenFileName(
-            self, "Select Video File", "", "Video Files (*.mp4 *.mkv *.avi *.mov *.webm);;All Files (*)"
-        )
-        if file_path:
+    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)
@@ -376,6 +373,29 @@ class VlcSyncApp(QMainWindow):
         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._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:
             QApplication.clipboard().setText(self.room_code)