Merge branch 'master' of https://github.com/cbhaley/calibre

Fixes #1912074 [Enhancement Request: Increase size of Edit Saved Search](https://bugs.launchpad.net/calibre/+bug/1912074)
Fixes #1912081 [Saved searches are case-sensitive](https://bugs.launchpad.net/calibre/+bug/1912081)

src/calibre/db/search.py

@@ -424,7 +424,11 @@ class SavedSearchQueries(object):  # {{{
             db._set_pref(self.opt_name, self.queries)
 
     def lookup(self, name):
-        return self.queries.get(self.force_unicode(name), None)
+        sn = self.force_unicode(name).lower()
+        for n, q in self.queries.items():
+            if sn == n.lower():
+                return q
+        return None
 
     def delete(self, name):
         db = self.db

src/calibre/gui2/dialogs/saved_search_editor.py

@@ -4,7 +4,8 @@
 
 
 from PyQt5.Qt import (
-    QFormLayout, QIcon, QLabel, QLineEdit, QListWidget, Qt, QVBoxLayout, QDialog, QDialogButtonBox
+    QFormLayout, QIcon, QLabel, QLineEdit, QListWidget, Qt, QVBoxLayout, QDialog,
+    QDialogButtonBox, QPlainTextEdit
 )
 
 from calibre import prepare_string_for_xml
@@ -51,12 +52,12 @@ class AddSavedSearch(Dialog):
         l.addRow(_('&Name:'), n)
         n.setPlaceholderText(_('The Saved search name'))
 
-        self.search = s = QLineEdit(self)
+        self.search = s = QPlainTextEdit(self)
         s.setMinimumWidth(400)
         l.addRow(_('&Search:'), s)
         s.setPlaceholderText(_('The search expression'))
         if self.initial_search:
-            s.setText(self.initial_search)
+            s.setPlainText(self.initial_search)
         n.setFocus(Qt.FocusReason.OtherFocusReason)
         l.addRow(self.bb)
 
@@ -68,7 +69,7 @@ class AddSavedSearch(Dialog):
                 _('No search name'),
                 _('You must specify a name for the Saved search'),
                 show=True)
-        expression = self.search.text().strip()
+        expression = self.search.toPlainText().strip()
         if not expression:
             return error_dialog(
                 self,
@@ -182,7 +183,7 @@ class SavedSearchEditor(Dialog):
                            validate=self.validate_edit)
         d.setWindowTitle(_('Edit saved search'))
         d.sname.setText(n)
-        d.search.setText(self.searches[n])
+        d.search.setPlainText(self.searches[n])
         if d.exec_() != QDialog.DialogCode.Accepted:
             return
         name, expression = d.accepted_data

src/calibre/gui2/dialogs/template_dialog.py

@@ -348,9 +348,11 @@ class TemplateDialog(QDialog, Ui_TemplateDialog):
         func_names = sorted(self.funcs)
         self.function.clear()
         self.function.addItem('')
-        self.function.addItems(func_names)
+        for f in func_names:
+            self.function.addItem('{}  --  {}'.format(f,
+                               self.function_type_string(f, longform=False)), f)
         self.function.setCurrentIndex(0)
-        self.function.currentIndexChanged[native_string_type].connect(self.function_changed)
+        self.function.currentIndexChanged.connect(self.function_changed)
         self.textbox_changed()
         self.rule = (None, '')
 
@@ -440,8 +442,18 @@ class TemplateDialog(QDialog, Ui_TemplateDialog):
             self.highlighter.check_cursor_pos(t[position-1], block_number,
                                               pos_in_block)
 
+    def function_type_string(self, name, longform=True):
+        if self.funcs[name].is_python:
+            if name in self.builtins:
+                return (_('Built-in template function') if longform else
+                            _('Built-in function'))
+            return (_('User defined Python template function') if longform else
+                            _('User function'))
+        else:
+            return (_('Stored user defined template') if longform else _('Stored template'))
+
     def function_changed(self, toWhat):
-        name = unicode_type(toWhat)
+        name = unicode_type(self.function.itemData(toWhat))
         self.source_code.clear()
         self.documentation.clear()
         self.func_type.clear()
@@ -451,10 +463,7 @@ class TemplateDialog(QDialog, Ui_TemplateDialog):
                 self.source_code.setPlainText(self.builtin_source_dict[name])
             else:
                 self.source_code.setPlainText(self.funcs[name].program_text)
-            if self.funcs[name].is_python:
-                self.func_type.setText(_('Template function in Python'))
-            else:
-                self.func_type.setText(_('Stored template'))
+            self.func_type.setText(self.function_type_string(name, longform=True))
 
     def accept(self):
         txt = unicode_type(self.textbox.toPlainText()).rstrip()

src/calibre/utils/search_query_parser.py

@@ -66,7 +66,11 @@ class SavedSearchQueries(object):
         self.save_queries()
 
     def lookup(self, name):
-        return self.queries.get(self.force_unicode(name), None)
+        sn = self.force_unicode(name).lower()
+        for n, q in self.queries.items():
+            if sn == n.lower():
+                return q
+        return None
 
     def delete(self, name):
         self.queries.pop(self.force_unicode(name), False)