From b0a613a0c19c29a13f74ace4f2cd2aa9150ec476 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 6 Aug 2020 13:30:49 +0530
Subject: [PATCH] Fix #1890239 [[Enhancement] Show number of books being
 converted in window title of the Bulk convert
 window](https://bugs.launchpad.net/calibre/+bug/1890239)

---
 src/calibre/gui2/convert/bulk.py | 10 ++++++++--
 src/calibre/gui2/tools.py        |  2 +-
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/calibre/gui2/convert/bulk.py b/src/calibre/gui2/convert/bulk.py
index be9641e4c5..ff9a197c0f 100644
--- a/src/calibre/gui2/convert/bulk.py
+++ b/src/calibre/gui2/convert/bulk.py
@@ -27,10 +27,14 @@ from polyglot.builtins import unicode_type, native_string_type
 class BulkConfig(Config):
 
     def __init__(self, parent, db, preferred_output_format=None,
-            has_saved_settings=True):
+            has_saved_settings=True, book_ids=()):
         QDialog.__init__(self, parent)
         self.widgets = []
         self.setupUi()
+        try:
+            self.num_of_books = len(book_ids)
+        except Exception:
+            self.num_of_books = 1
 
         self.setup_output_formats(db, preferred_output_format)
         self.db = db
@@ -82,7 +86,9 @@ class BulkConfig(Config):
             return cls(self, self.plumber.get_option_by_name,
                 self.plumber.get_option_help, self.db)
 
-        self.setWindowTitle(_('Bulk convert'))
+        self.setWindowTitle(
+            ngettext(_('Bulk convert one book'), _('Bulk convert {} books'), self.num_of_books).format(self.num_of_books)
+        )
         lf = widget_factory(LookAndFeelWidget)
         hw = widget_factory(HeuristicsWidget)
         sr = widget_factory(SearchAndReplaceWidget)
diff --git a/src/calibre/gui2/tools.py b/src/calibre/gui2/tools.py
index c9f1c47bdd..efb2d4df2d 100644
--- a/src/calibre/gui2/tools.py
+++ b/src/calibre/gui2/tools.py
@@ -142,7 +142,7 @@ def convert_bulk_ebook(parent, queue, db, book_ids, out_format=None, args=[]):
     has_saved_settings = db.has_conversion_options(book_ids)
 
     d = BulkConfig(parent, db, out_format,
-            has_saved_settings=has_saved_settings)
+            has_saved_settings=has_saved_settings, book_ids=book_ids)
     if d.exec_() != QDialog.Accepted:
         return None