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Edit book: Regex-function mode: Show a confirmation popup when closing the function editor when there are unsaved changes
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@ -14,7 +14,8 @@ from qt.core import QApplication, QDialogButtonBox, QFontMetrics, QHBoxLayout, Q
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from calibre.ebooks.oeb.polish.utils import apply_func_to_html_text, apply_func_to_match_groups
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from calibre.ebooks.oeb.polish.utils import apply_func_to_html_text, apply_func_to_match_groups
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from calibre.gui2 import error_dialog
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from calibre.gui2 import error_dialog
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from calibre.gui2.complete2 import EditWithComplete
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from calibre.gui2.complete2 import EditWithComplete
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from calibre.gui2.tweak_book import dictionaries
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from calibre.gui2.dialogs.confirm_delete import confirm
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from calibre.gui2.tweak_book import dictionaries, tprefs
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from calibre.gui2.tweak_book.editor.text import TextEdit
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from calibre.gui2.tweak_book.editor.text import TextEdit
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from calibre.gui2.tweak_book.widgets import Dialog
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from calibre.gui2.tweak_book.widgets import Dialog
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from calibre.utils.config import JSONConfig
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from calibre.utils.config import JSONConfig
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@ -253,6 +254,7 @@ class FunctionEditor(Dialog):
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l.addWidget(la)
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l.addWidget(la)
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l.addWidget(self.bb)
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l.addWidget(self.bb)
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self.initial_source = self.source
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def sizeHint(self):
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def sizeHint(self):
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fm = QFontMetrics(self.font())
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fm = QFontMetrics(self.font())
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@ -285,6 +287,13 @@ class FunctionEditor(Dialog):
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Dialog.accept(self)
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Dialog.accept(self)
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def reject(self):
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if self.source != self.initial_source:
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if not confirm(_('All unsaved changes will be lost. Are you sure?'), 'function-replace-close-confirm',
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parent=self, config_set=tprefs):
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return
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return super().reject()
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# Builtin functions ##########################################################
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# Builtin functions ##########################################################
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