Merge pull request #3193 from SuslikV/patch-8

Add confirmation dialog when canceling export

Author: ferdnyc

src/windows/export.py

@@ -36,6 +36,7 @@
 from PyQt5.QtWidgets import *
 from PyQt5.QtGui import QIcon
 
+from classes import info
 from classes import ui_util
 from classes.app import get_app
 from classes.metrics import *
@@ -979,6 +980,17 @@ def accept(self):
             super(Export, self).accept()
 
     def reject(self):
+        if self.exporting and not self.close_button.isVisible():
+            # Show confirmation dialog
+            _ = get_app()._tr
+            result = QMessageBox.question(self,
+                _("Export Video"),
+                _("Are you sure you want to cancel the export?"),
+                QMessageBox.No | QMessageBox.Yes)
+            if result == QMessageBox.No:
+                # Resume export
+                return
+
         # Re-set OMP thread enabled flag
         if self.s.get("omp_threads_enabled"):
             openshot.Settings.Instance().WAIT_FOR_VIDEO_PROCESSING_TASK = False